From: Roman Yeryomin Date: Sun, 21 Aug 2016 23:36:50 +0000 (+0300) Subject: gemini: add Linux 4.4 support X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=f046737e92f9a13acbe9139e1ded83287d31eeb5;p=librecmc%2Flibrecmc.git gemini: add Linux 4.4 support Signed-off-by: Roman Yeryomin [Jo-Philipp Wich: change commit title] Signed-off-by: Jo-Philipp Wich --- diff --git a/target/linux/gemini/config-4.4 b/target/linux/gemini/config-4.4 new file mode 100644 index 0000000000..9572196ae8 --- /dev/null +++ b/target/linux/gemini/config-4.4 @@ -0,0 +1,165 @@ +CONFIG_ALIGNMENT_TRAP=y +CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y +CONFIG_ARCH_GEMINI=y +CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y +CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y +CONFIG_ARCH_NR_GPIO=0 +CONFIG_ARCH_REQUIRE_GPIOLIB=y +# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set +# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set +CONFIG_ARCH_USES_GETTIMEOFFSET=y +CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y +CONFIG_ARM=y +# CONFIG_ARM_CPU_SUSPEND is not set +CONFIG_ARM_L1_CACHE_SHIFT=5 +CONFIG_ARM_NR_BANKS=8 +CONFIG_ARM_PATCH_PHYS_VIRT=y +# CONFIG_ARPD is not set +CONFIG_ATA=y +CONFIG_ATAGS=y +# CONFIG_CACHE_L2X0 is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_CLONE_BACKWARDS=y +CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,19200 mem=32M" +CONFIG_CMDLINE_FROM_BOOTLOADER=y +CONFIG_CPU_32v4=y +CONFIG_CPU_ABRT_EV4=y +# CONFIG_CPU_BPREDICT_DISABLE is not set +CONFIG_CPU_CACHE_FA=y +CONFIG_CPU_CACHE_VIVT=y +CONFIG_CPU_COPY_FA=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y +# CONFIG_CPU_DCACHE_WRITETHROUGH is not set +CONFIG_CPU_FA526=y +# CONFIG_CPU_ICACHE_DISABLE is not set +CONFIG_CPU_PABRT_LEGACY=y +CONFIG_CPU_TLB_FA=y +CONFIG_CPU_USE_DOMAINS=y +CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S" +# CONFIG_DEBUG_USER is not set +CONFIG_DEBUG_UART_PHYS=0x42000000 +CONFIG_DEBUG_UART_VIRT=0xf4200000 +CONFIG_DEBUG_UART_8250_SHIFT=2 +# CONFIG_DEBUG_UART_8250_WORD is not set +# CONFIG_DEBUG_UART_8250_FLOW_CONTROL is not set +# CONFIG_DLCI is not set +CONFIG_DMADEVICES=y +CONFIG_DNOTIFY=y +# CONFIG_DW_DMAC_CORE is not set +# CONFIG_DW_DMAC_PCI is not set +CONFIG_FRAME_POINTER=y +CONFIG_GEMINI_MEM_SWAP=y +CONFIG_GEMINI_SL351X=y +CONFIG_GEMINI_WATCHDOG=y +CONFIG_GENERIC_ATOMIC64=y +CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_IDLE_POLL_SETUP=y +CONFIG_GENERIC_IO=y +CONFIG_GENERIC_IRQ_SHOW=y +CONFIG_GENERIC_PCI_IOMAP=y +CONFIG_GENERIC_SMP_IDLE_THREAD=y +CONFIG_GENERIC_STRNCPY_FROM_USER=y +CONFIG_GENERIC_STRNLEN_USER=y +CONFIG_GPIOLIB=y +CONFIG_GPIO_DEVRES=y +CONFIG_GPIO_SYSFS=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set +CONFIG_HAVE_ARCH_JUMP_LABEL=y +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_ARCH_PFN_VALID=y +CONFIG_HAVE_ARCH_SECCOMP_FILTER=y +CONFIG_HAVE_ARCH_TRACEHOOK=y +# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set +CONFIG_HAVE_BPF_JIT=y +CONFIG_HAVE_CONTEXT_TRACKING=y +CONFIG_HAVE_C_RECORDMCOUNT=y +CONFIG_HAVE_DEBUG_KMEMLEAK=y +CONFIG_HAVE_DMA_API_DEBUG=y +CONFIG_HAVE_DMA_ATTRS=y +CONFIG_HAVE_DMA_CONTIGUOUS=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_HAVE_GENERIC_HARDIRQS=y +CONFIG_HAVE_IDE=y +CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y +CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_LZMA=y +CONFIG_HAVE_KERNEL_LZO=y +CONFIG_HAVE_KERNEL_XZ=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_HAVE_MEMBLOCK=y +CONFIG_HAVE_NET_DSA=y +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_HAVE_PROC_CPU=y +CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y +CONFIG_HAVE_SYSCALL_TRACEPOINTS=y +CONFIG_HAVE_UID16=y +# CONFIG_HSU_DMA_PCI is not set +CONFIG_HWMON=y +CONFIG_HW_RANDOM=y +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_PIMSM_V1=y +CONFIG_IP_PIMSM_V2=y +CONFIG_IRQ_WORK=y +CONFIG_KTIME_SCALAR=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 +# CONFIG_MACH_NAS4220B is not set +# CONFIG_MACH_RUT100 is not set +CONFIG_MACH_WBD111=y +CONFIG_MACH_WBD222=y +CONFIG_MDIO_BITBANG=y +CONFIG_MDIO_BOARDINFO=y +CONFIG_MDIO_GPIO=y +CONFIG_MIGHT_HAVE_PCI=y +CONFIG_MODULES_USE_ELF_REL=y +CONFIG_MTD_PHYSMAP=y +CONFIG_NEED_DMA_MAP_STATE=y +CONFIG_NEED_KUSER_HELPERS=y +CONFIG_NEED_MACH_GPIO_H=y +CONFIG_NEED_PER_CPU_KM=y +CONFIG_NET_VENDOR_GEMINI=y +# CONFIG_OF is not set +CONFIG_OLD_SIGACTION=y +CONFIG_OLD_SIGSUSPEND3=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_PAGE_OFFSET=0xC0000000 +CONFIG_PATA_GEMINI=y +CONFIG_PCI=y +CONFIG_PERF_USE_VMALLOC=y +CONFIG_PHYLIB=y +# CONFIG_PREEMPT_RCU is not set +# CONFIG_RCU_STALL_COMMON is not set +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_GEMINI=y +# CONFIG_SCHED_HRTICK is not set +# CONFIG_SCSI_DMA is not set +CONFIG_SPLIT_PTLOCK_CPUS=999999 +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_TICK_CPU_ACCOUNTING=y +CONFIG_UID16=y +CONFIG_UIDGID_CONVERTED=y +CONFIG_UNCOMPRESS_INCLUDE="mach/uncompress.h" +CONFIG_USB_ARCH_HAS_XHCI=y +CONFIG_USB_SUPPORT=y +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_WAN=y +CONFIG_XZ_DEC_ARM=y +CONFIG_XZ_DEC_BCJ=y +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/gemini/files-4.4/arch/arm/mach-gemini/include/mach/gmac.h b/target/linux/gemini/files-4.4/arch/arm/mach-gemini/include/mach/gmac.h new file mode 100644 index 0000000000..04ca5699fa --- /dev/null +++ b/target/linux/gemini/files-4.4/arch/arm/mach-gemini/include/mach/gmac.h @@ -0,0 +1,21 @@ +/* + * Gemini GMAC specific defines + * + * Copyright (C) 2008, Paulius Zaleckas + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#ifndef __NET_GEMINI_PLATFORM_H__ +#define __NET_GEMINI_PLATFORM_H__ + +#include + +struct gemini_gmac_platform_data { + char *bus_id[2]; /* NULL means that this port is not used */ + phy_interface_t interface[2]; +}; + +#endif /* __NET_GEMINI_PLATFORM_H__ */ diff --git a/target/linux/gemini/files-4.4/arch/arm/mach-gemini/pci.c b/target/linux/gemini/files-4.4/arch/arm/mach-gemini/pci.c new file mode 100644 index 0000000000..51cd44754c --- /dev/null +++ b/target/linux/gemini/files-4.4/arch/arm/mach-gemini/pci.c @@ -0,0 +1,318 @@ +/* + * Support for Gemini PCI Controller + * + * Copyright (C) 2009 Janos Laube + * Copyright (C) 2009 Paulius Zaleckas + * + * based on SL2312 PCI controller code + * Storlink (C) 2003 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include + +#include + +#include +#include + +#define GEMINI_PCI_IOSIZE_1M 0x0000 + +#define GEMINI_PCI_PMC 0x40 +#define GEMINI_PCI_PMCSR 0x44 +#define GEMINI_PCI_CTRL1 0x48 +#define GEMINI_PCI_CTRL2 0x4C +#define GEMINI_PCI_MEM1_BASE_SIZE 0x50 +#define GEMINI_PCI_MEM2_BASE_SIZE 0x54 +#define GEMINI_PCI_MEM3_BASE_SIZE 0x58 + +#define PCI_CTRL2_INTSTS_OFFSET 28 +#define PCI_CTRL2_INTMASK_OFFSET 22 + +#define GEMINI_PCI_DMA_MASK 0xFFF00000 +#define GEMINI_PCI_DMA_MEM1_BASE 0x00000000 +#define GEMINI_PCI_DMA_MEM2_BASE 0x00000000 +#define GEMINI_PCI_DMA_MEM3_BASE 0x00000000 +#define GEMINI_PCI_DMA_MEM1_SIZE 7 +#define GEMINI_PCI_DMA_MEM2_SIZE 6 +#define GEMINI_PCI_DMA_MEM3_SIZE 6 + +#define PCI_CONF_ENABLE (1 << 31) +#define PCI_CONF_WHERE(r) ((r) & 0xFC) +#define PCI_CONF_BUS(b) (((b) & 0xFF) << 16) +#define PCI_CONF_DEVICE(d) (((d) & 0x1F) << 11) +#define PCI_CONF_FUNCTION(f) (((f) & 0x07) << 8) + +#define PCI_IOSIZE_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE)) +#define PCI_PROT_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x04) +#define PCI_CTRL_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x08) +#define PCI_SOFTRST_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x10) +#define PCI_CONFIG_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x28) +#define PCI_DATA_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x2C) + + +static DEFINE_SPINLOCK(gemini_pci_lock); + +static int gemini_pci_read_config(struct pci_bus* bus, unsigned int fn, + int config, int size, u32* value) +{ + unsigned long irq_flags; + + spin_lock_irqsave(&gemini_pci_lock, irq_flags); + + __raw_writel(PCI_CONF_BUS(bus->number) | + PCI_CONF_DEVICE(PCI_SLOT(fn)) | + PCI_CONF_FUNCTION(PCI_FUNC(fn)) | + PCI_CONF_WHERE(config) | + PCI_CONF_ENABLE, + PCI_CONFIG_REG); + + *value = __raw_readl(PCI_DATA_REG); + + if (size == 1) + *value = (*value >> (8 * (config & 3))) & 0xFF; + else if (size == 2) + *value = (*value >> (8 * (config & 3))) & 0xFFFF; + + spin_unlock_irqrestore(&gemini_pci_lock, irq_flags); + + dev_dbg(&bus->dev, + "[read] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n", + PCI_SLOT(fn), PCI_FUNC(fn), config, size, *value); + + return PCIBIOS_SUCCESSFUL; +} + +static int gemini_pci_write_config(struct pci_bus* bus, unsigned int fn, + int config, int size, u32 value) +{ + unsigned long irq_flags = 0; + int ret = PCIBIOS_SUCCESSFUL; + + dev_dbg(&bus->dev, + "[write] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n", + PCI_SLOT(fn), PCI_FUNC(fn), config, size, value); + + spin_lock_irqsave(&gemini_pci_lock, irq_flags); + + __raw_writel(PCI_CONF_BUS(bus->number) | + PCI_CONF_DEVICE(PCI_SLOT(fn)) | + PCI_CONF_FUNCTION(PCI_FUNC(fn)) | + PCI_CONF_WHERE(config) | + PCI_CONF_ENABLE, + PCI_CONFIG_REG); + + switch(size) { + case 4: + __raw_writel(value, PCI_DATA_REG); + break; + case 2: + __raw_writew(value, PCI_DATA_REG + (config & 3)); + break; + case 1: + __raw_writeb(value, PCI_DATA_REG + (config & 3)); + break; + default: + ret = PCIBIOS_BAD_REGISTER_NUMBER; + } + + spin_unlock_irqrestore(&gemini_pci_lock, irq_flags); + + return ret; +} + +static struct pci_ops gemini_pci_ops = { + .read = gemini_pci_read_config, + .write = gemini_pci_write_config, +}; + +static struct resource gemini_pci_resource_io = { + .name = "PCI I/O Space", + .start = GEMINI_PCI_IO_BASE, + .end = GEMINI_PCI_IO_BASE + SZ_1M - 1, + .flags = IORESOURCE_IO, +}; + +static struct resource gemini_pci_resource_mem = { + .name = "PCI Memory Space", + .start = GEMINI_PCI_MEM_BASE, + .end = GEMINI_PCI_MEM_BASE + SZ_128M - 1, + .flags = IORESOURCE_MEM, +}; + +static int __init gemini_pci_request_resources(struct pci_sys_data *sys) +{ + if (request_resource(&ioport_resource, &gemini_pci_resource_io)) + goto bad_resources; + if (request_resource(&iomem_resource, &gemini_pci_resource_mem)) + goto bad_resources; + + pci_add_resource(&sys->resources, &gemini_pci_resource_io); + pci_add_resource(&sys->resources, &gemini_pci_resource_mem); + + return 0; + +bad_resources: + pr_err("Gemini PCI: request_resource() failed. " + "Abort PCI bus enumeration.\n"); + return -1; +} + +static int __init gemini_pci_setup(int nr, struct pci_sys_data *sys) +{ + unsigned int cmd; + + pcibios_min_io = 0x100; + pcibios_min_mem = 0; + + if ((nr > 0) || gemini_pci_request_resources(sys)) + return 0; + + /* setup I/O space to 1MB size */ + __raw_writel(GEMINI_PCI_IOSIZE_1M, PCI_IOSIZE_REG); + + /* setup hostbridge */ + cmd = __raw_readl(PCI_CTRL_REG); + cmd |= PCI_COMMAND_IO; + cmd |= PCI_COMMAND_MEMORY; + cmd |= PCI_COMMAND_MASTER; + __raw_writel(cmd, PCI_CTRL_REG); + + return 1; +} + +static struct pci_bus* __init gemini_pci_scan_bus(int nr, struct pci_sys_data* sys) +{ + unsigned int reg = 0; + struct pci_bus* bus = 0; + + bus = pci_scan_bus(nr, &gemini_pci_ops, sys); + if (bus) { + dev_dbg(&bus->dev, "setting up PCI DMA\n"); + reg = (GEMINI_PCI_DMA_MEM1_BASE & GEMINI_PCI_DMA_MASK) + | (GEMINI_PCI_DMA_MEM1_SIZE << 16); + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM1_BASE_SIZE, 4, reg); + reg = (GEMINI_PCI_DMA_MEM2_BASE & GEMINI_PCI_DMA_MASK) + | (GEMINI_PCI_DMA_MEM2_SIZE << 16); + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM2_BASE_SIZE, 4, reg); + reg = (GEMINI_PCI_DMA_MEM3_BASE & GEMINI_PCI_DMA_MASK) + | (GEMINI_PCI_DMA_MEM3_SIZE << 16); + gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM3_BASE_SIZE, 4, reg); + } + + return bus; +} + +/* Should work with all boards based on original Storlink EVB */ +static int __init gemini_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + if (slot < 9 || slot > 12) + return -1; + + return PCI_IRQ_BASE + (((slot - 9) + (pin - 1)) & 0x3); +} + +static struct hw_pci gemini_hw_pci __initdata = { + .nr_controllers = 1, + .setup = gemini_pci_setup, + .scan = gemini_pci_scan_bus, + .map_irq = gemini_pci_map_irq, +}; + +/* we need this for muxed PCI interrupts handling */ +static struct pci_bus bogus_pci_bus; + +static void gemini_pci_ack_irq(struct irq_data *d) +{ + unsigned int irq = d->irq; + unsigned int reg; + + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®); + reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET); + reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTSTS_OFFSET); + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg); +} + +static void gemini_pci_mask_irq(struct irq_data *d) +{ + unsigned int irq = d->irq; + unsigned int reg; + + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®); + reg &= ~((0xF << PCI_CTRL2_INTSTS_OFFSET) + | (1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET))); + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg); +} + +static void gemini_pci_unmask_irq(struct irq_data *d) +{ + unsigned int irq = d->irq; + unsigned int reg; + + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®); + reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET); + reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET); + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg); +} + +static void gemini_pci_irq_handler(struct irq_desc *desc) +{ + unsigned int pci_irq_no, irq_stat, reg, i; + + gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®); + irq_stat = reg >> PCI_CTRL2_INTSTS_OFFSET; + + for (i = 0; i < 4; i++) { + + if ((irq_stat & (1 << i)) == 0) + continue; + + pci_irq_no = PCI_IRQ_BASE + i; + + BUG_ON(!(irq_desc[pci_irq_no].handle_irq)); + irq_desc[pci_irq_no].handle_irq(&irq_desc[pci_irq_no]); + } +} + +static struct irq_chip gemini_pci_irq_chip = { + .name = "PCI", + .irq_ack = gemini_pci_ack_irq, + .irq_mask = gemini_pci_mask_irq, + .irq_unmask = gemini_pci_unmask_irq, +}; + +static int __init gemini_pci_init(void) +{ + int i; + + for (i = 72; i <= 95; i++) + gpio_request(i, "PCI"); + + /* initialize our bogus bus */ + dev_set_name(&bogus_pci_bus.dev, "PCI IRQ handler"); + bogus_pci_bus.number = 0; + + /* mask and clear all interrupts */ + gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2 + 2, 2, + 0xF000); + + for (i = PCI_IRQ_BASE; i < PCI_IRQ_BASE + 4; i++) { + irq_set_chip_and_handler(i, &gemini_pci_irq_chip, + handle_level_irq); + } + + irq_set_chained_handler(IRQ_PCI, gemini_pci_irq_handler); + + pci_common_init(&gemini_hw_pci); + + return 0; +} + +subsys_initcall(gemini_pci_init); diff --git a/target/linux/gemini/files-4.4/drivers/ata/pata_gemini.c b/target/linux/gemini/files-4.4/drivers/ata/pata_gemini.c new file mode 100644 index 0000000000..707e8703bf --- /dev/null +++ b/target/linux/gemini/files-4.4/drivers/ata/pata_gemini.c @@ -0,0 +1,234 @@ +/* + * Support for Gemini PATA + * + * Copyright (C) 2009 Janos Laube + * Copyright (C) 2010 Frederic Pecourt + * Copyright (C) 2011 Tobias Waldvogel + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* Values of IOMUX + * 26:24 bits is "IDE IO Select" + * 111:100 - Reserved + * 011 - ata0 <-> sata0, sata1; bring out ata1 + * 010 - ata1 <-> sata1, sata0; bring out ata0 + * 001 - ata0 <-> sata0, ata1 <-> sata1; bring out ata1 + * 000 - ata0 <-> sata0, ata1 <-> sata1; bring out ata0 + * + */ + +#include +#include +#include +#include +#include + +#include +#include + +#define DRV_NAME "pata-gemini" + +#define PATA_GEMINI_PORTS 1 + +#define PIO_TIMING_REG 0x10 +#define MDMA_TIMING_REG 0x11 +#define UDMA_TIMING0_REG 0x12 +#define UDMA_TIMING1_REG 0x13 +#define CLK_MOD_REG 0x14 + +#define CLK_MOD_66M_DEV0_BIT 0 +#define CLK_MOD_66M_DEV1_BIT 1 +#define CLK_MOD_UDMA_DEV0_BIT 4 +#define CLK_MOD_UDMA_DEV1_BIT 5 + +#define CLK_MOD_66M_DEV0 (1 << CLK_MOD_66M_DEV0_BIT) +#define CLK_MOD_66M_DEV1 (1 << CLK_MOD_66M_DEV1_BIT) +#define CLK_MOD_UDMA_DEV0 (1 << CLK_MOD_UDMA_DEV0_BIT) +#define CLK_MOD_UDMA_DEV1 (1 << CLK_MOD_UDMA_DEV1_BIT) + +#define SATA_ENABLE_PDEV_MASK 0x01 +#define SATA_ENABLE_PDEV_PM 0x02 +#define SATA_ENABLE_PDEV_ADDED 0x04 +#define SATA_ENABLE_PDEV_REMOVED 0x08 +#define SATA_ENABLE_SDEV_MASK 0x10 +#define SATA_ENABLE_SDEV_PM 0x20 +#define SATA_ENABLE_SDEV_ADDED 0x40 +#define SATA_ENABLE_SDEV_REMOVED 0x80 + +MODULE_AUTHOR("Janos Laube "); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); + +static unsigned char PIO_TIMING[5] = { + 0xaa, 0xa3, 0xa1, 0x33, 0x31 +}; + +static unsigned char TIMING_MW_DMA[4][2] = { + { 0x44, 1 }, // 480 4.2 + { 0x42, 1 }, // 150 13.3 + { 0x31, 1 }, // 120 16.7 + { 0x21, 1 }, // 100 20 +}; + +static unsigned char TIMING_UDMA[7][2] = { + { 0x33, 0 }, //240 16.7 + { 0x31, 0 }, //160 25 + { 0x21, 0 }, //120 33.3 + { 0x21, 1 }, //90 44.4 + { 0x11, 1 }, //60 66.7 + { 0x11 | 0x80, 0 }, //40 100 + { 0x11 | 0x80, 1 }, //30 133 +}; + +static struct scsi_host_template pata_gemini_sht = { + ATA_NCQ_SHT(DRV_NAME), + .can_queue = 1, + .sg_tablesize = 128, + .dma_boundary = 0xffffU, +}; + +static void gemini_set_dmamode(struct ata_port *ap, struct ata_device *adev) +{ + void __iomem *clk_reg = ap->ioaddr.bmdma_addr + CLK_MOD_REG; + void __iomem *tim_reg = ap->ioaddr.bmdma_addr + UDMA_TIMING0_REG; + unsigned short udma = adev->dma_mode; + unsigned short speed = udma; + unsigned short devno = adev->devno & 1; + unsigned short i; + u8 mod_udma_mask = 1 << (CLK_MOD_UDMA_DEV0_BIT + devno); + u8 mod_66m_mask = 1 << (CLK_MOD_66M_DEV0_BIT + devno); + u8 clk_mod; + u8 timing; + + clk_mod = ioread8(clk_reg); + clk_mod &= ~mod_udma_mask; + + if (speed & XFER_UDMA_0) { + i = speed & ~XFER_UDMA_0; + timing = TIMING_UDMA[i][0]; + clk_mod |= mod_udma_mask; + if (TIMING_UDMA[i][1]) + clk_mod |= mod_66m_mask; + } else { + i = speed & ~XFER_MW_DMA_0; + timing = TIMING_MW_DMA[i][0]; + clk_mod |= mod_udma_mask; + if (TIMING_MW_DMA[i][1]) + clk_mod |= mod_66m_mask; + } + + iowrite8(clk_mod, clk_reg); + iowrite8(timing, tim_reg + devno); + return; +} + +static void gemini_set_piomode(struct ata_port *ap, struct ata_device *adev) +{ + void __iomem *pio_reg = ap->ioaddr.bmdma_addr + PIO_TIMING_REG; + unsigned int pio = adev->pio_mode - XFER_PIO_0; + + iowrite8(PIO_TIMING[pio], pio_reg); +} + +unsigned int gemini_qc_issue(struct ata_queued_cmd *qc) +{ + ledtrig_ide_activity(); + return ata_bmdma_qc_issue(qc); +} + +static struct ata_port_operations pata_gemini_port_ops = { + .inherits = &ata_bmdma_port_ops, + .set_dmamode = gemini_set_dmamode, + .set_piomode = gemini_set_piomode, + .qc_issue = gemini_qc_issue, +}; + +static struct ata_port_info pata_gemini_portinfo = { + .flags = 0, + .udma_mask = ATA_UDMA6, + .pio_mask = ATA_PIO4, + .port_ops = &pata_gemini_port_ops, +}; + +static const struct ata_port_info *pata_gemini_ports = &pata_gemini_portinfo; + +static int pata_gemini_probe(struct platform_device *pdev) +{ + struct ata_host *host; + struct resource *res; + unsigned int irq, i; + void __iomem *mmio_base; + + /* standard bdma init */ + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + pr_info(DRV_NAME ": irq %d, io base 0x%08x\n", irq, res->start); + + mmio_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + + host = ata_host_alloc_pinfo(&pdev->dev, &pata_gemini_ports, 1); + if (!host) + return -ENOMEM; + + for (i = 0; i < host->n_ports; i++) { + struct ata_port *ap = host->ports[i]; + struct ata_ioports *ioaddr = &ap->ioaddr; + + ioaddr->bmdma_addr = mmio_base; + ioaddr->cmd_addr = mmio_base + 0x20; + ioaddr->ctl_addr = mmio_base + 0x36; + ioaddr->altstatus_addr = ioaddr->ctl_addr; + ata_sff_std_ports(ioaddr); + host->ports[i]->cbl = ATA_CBL_SATA; + } + + return ata_host_activate(host, irq, ata_bmdma_interrupt, + IRQF_SHARED, &pata_gemini_sht); +} + +static int pata_gemini_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct ata_host *host = dev_get_drvdata(dev); + ata_host_detach(host); + return 0; +} + +static struct platform_driver pata_gemini_driver = { + .probe = pata_gemini_probe, + .remove = pata_gemini_remove, + .driver.owner = THIS_MODULE, + .driver.name = DRV_NAME, +}; + +static int __init pata_gemini_module_init(void) +{ + return platform_driver_probe(&pata_gemini_driver, pata_gemini_probe); +} + +static void __exit pata_gemini_module_exit(void) +{ + platform_driver_unregister(&pata_gemini_driver); +} + +module_init(pata_gemini_module_init); +module_exit(pata_gemini_module_exit); diff --git a/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/Kconfig b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/Kconfig new file mode 100644 index 0000000000..12d58163d0 --- /dev/null +++ b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/Kconfig @@ -0,0 +1,31 @@ +# +# Gemini device configuration +# + +config NET_VENDOR_GEMINI + bool "Cortina Gemini devices" + default y + depends on ARCH_GEMINI + ---help--- + If you have a network (Ethernet) card belonging to this class, say Y + and read the Ethernet-HOWTO, available from + . + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about D-Link devices. If you say Y, you will be asked for + your specific card in the following questions. + +if NET_VENDOR_GEMINI + +config GEMINI_SL351X + tristate "StorLink SL351x Gigabit Ethernet support" + depends on ARCH_GEMINI + select PHYLIB + select MDIO_BITBANG + select MDIO_GPIO + select CRC32 + ---help--- + This driver supports StorLink SL351x (Gemini) dual Gigabit Ethernet. + +endif # NET_VENDOR_GEMINI diff --git a/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/Makefile b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/Makefile new file mode 100644 index 0000000000..3a1987c4fa --- /dev/null +++ b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the Cortina Gemini network device drivers. +# + +obj-$(CONFIG_GEMINI_SL351X) += sl351x.o diff --git a/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/sl351x.c b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/sl351x.c new file mode 100644 index 0000000000..83455c4003 --- /dev/null +++ b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/sl351x.c @@ -0,0 +1,2340 @@ +/* + * Ethernet device driver for Gemini SoC (SL351x GMAC). + * + * Copyright (C) 2011, Tobias Waldvogel + * + * Based on work by Michał Mirosław and + * Paulius Zaleckas and + * Giuseppe De Robertis and + * GPLd spaghetti code from Raidsonic and other Gemini-based NAS vendors. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include + +#include +#include "sl351x_hw.h" + +#define DRV_NAME "gmac-gemini" +#define DRV_VERSION "1.0" + +#define HSIZE_8 0b00 +#define HSIZE_16 0b01 +#define HSIZE_32 0b10 + +#define HBURST_SINGLE 0b00 +#define HBURST_INCR 0b01 +#define HBURST_INCR4 0b10 +#define HBURST_INCR8 0b11 + +#define HPROT_DATA_CACHE BIT(0) +#define HPROT_PRIVILIGED BIT(1) +#define HPROT_BUFFERABLE BIT(2) +#define HPROT_CACHABLE BIT(3) + +#define DEFAULT_RX_COALESCE_NSECS 0 +#define DEFAULT_GMAC_RXQ_ORDER 9 +#define DEFAULT_GMAC_TXQ_ORDER 8 +#define DEFAULT_RX_BUF_ORDER 11 +#define DEFAULT_NAPI_WEIGHT 64 +#define TX_MAX_FRAGS 16 +#define TX_QUEUE_NUM 1 /* max: 6 */ +#define RX_MAX_ALLOC_ORDER 2 + +#define GMAC0_IRQ0_2 (GMAC0_TXDERR_INT_BIT|GMAC0_TXPERR_INT_BIT| \ + GMAC0_RXDERR_INT_BIT|GMAC0_RXPERR_INT_BIT) +#define GMAC0_IRQ0_TXQ0_INTS (GMAC0_SWTQ00_EOF_INT_BIT| \ + GMAC0_SWTQ00_FIN_INT_BIT) +#define GMAC0_IRQ4_8 (GMAC0_MIB_INT_BIT|GMAC0_RX_OVERRUN_INT_BIT) + +#define GMAC_OFFLOAD_FEATURES (NETIF_F_SG | NETIF_F_IP_CSUM | \ + NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | \ + NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6) + +MODULE_AUTHOR("Tobias Waldvogel"); +MODULE_DESCRIPTION("StorLink SL351x (Gemini) ethernet driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); + +struct toe_private { + void __iomem *iomem; + spinlock_t irq_lock; + + struct net_device *netdev[2]; + __le32 mac_addr[2][3]; + + struct device *dev; + int irq; + + unsigned int freeq_order; + unsigned int freeq_frag_order; + GMAC_RXDESC_T *freeq_ring; + dma_addr_t freeq_dma_base; + struct page **freeq_page_tab; + spinlock_t freeq_lock; +}; + +struct gmac_txq { + GMAC_TXDESC_T *ring; + struct sk_buff **skb; + unsigned int cptr; + unsigned int noirq_packets; +}; + +struct gmac_private { + unsigned int num; + struct toe_private *toe; + void __iomem *ctl_iomem; + void __iomem *dma_iomem; + + void __iomem *rxq_rwptr; + GMAC_RXDESC_T *rxq_ring; + unsigned int rxq_order; + + struct napi_struct napi; + struct hrtimer rx_coalesce_timer; + unsigned int rx_coalesce_nsecs; + unsigned int freeq_refill; + struct gmac_txq txq[TX_QUEUE_NUM]; + unsigned int txq_order; + unsigned int irq_every_tx_packets; + + dma_addr_t rxq_dma_base; + dma_addr_t txq_dma_base; + + unsigned int msg_enable; + spinlock_t config_lock; + + struct u64_stats_sync tx_stats_syncp; + struct u64_stats_sync rx_stats_syncp; + struct u64_stats_sync ir_stats_syncp; + + struct rtnl_link_stats64 stats; + u64 hw_stats[RX_STATS_NUM]; + u64 rx_stats[RX_STATUS_NUM]; + u64 rx_csum_stats[RX_CHKSUM_NUM]; + u64 rx_napi_exits; + u64 tx_frag_stats[TX_MAX_FRAGS]; + u64 tx_frags_linearized; + u64 tx_hw_csummed; +}; + +#define GMAC_STATS_NUM ( \ + RX_STATS_NUM + RX_STATUS_NUM + RX_CHKSUM_NUM + 1 + \ + TX_MAX_FRAGS + 2) + +static const char gmac_stats_strings[GMAC_STATS_NUM][ETH_GSTRING_LEN] = { + "GMAC_IN_DISCARDS", + "GMAC_IN_ERRORS", + "GMAC_IN_MCAST", + "GMAC_IN_BCAST", + "GMAC_IN_MAC1", + "GMAC_IN_MAC2", + "RX_STATUS_GOOD_FRAME", + "RX_STATUS_TOO_LONG_GOOD_CRC", + "RX_STATUS_RUNT_FRAME", + "RX_STATUS_SFD_NOT_FOUND", + "RX_STATUS_CRC_ERROR", + "RX_STATUS_TOO_LONG_BAD_CRC", + "RX_STATUS_ALIGNMENT_ERROR", + "RX_STATUS_TOO_LONG_BAD_ALIGN", + "RX_STATUS_RX_ERR", + "RX_STATUS_DA_FILTERED", + "RX_STATUS_BUFFER_FULL", + "RX_STATUS_11", + "RX_STATUS_12", + "RX_STATUS_13", + "RX_STATUS_14", + "RX_STATUS_15", + "RX_CHKSUM_IP_UDP_TCP_OK", + "RX_CHKSUM_IP_OK_ONLY", + "RX_CHKSUM_NONE", + "RX_CHKSUM_3", + "RX_CHKSUM_IP_ERR_UNKNOWN", + "RX_CHKSUM_IP_ERR", + "RX_CHKSUM_TCP_UDP_ERR", + "RX_CHKSUM_7", + "RX_NAPI_EXITS", + "TX_FRAGS[1]", + "TX_FRAGS[2]", + "TX_FRAGS[3]", + "TX_FRAGS[4]", + "TX_FRAGS[5]", + "TX_FRAGS[6]", + "TX_FRAGS[7]", + "TX_FRAGS[8]", + "TX_FRAGS[9]", + "TX_FRAGS[10]", + "TX_FRAGS[11]", + "TX_FRAGS[12]", + "TX_FRAGS[13]", + "TX_FRAGS[14]", + "TX_FRAGS[15]", + "TX_FRAGS[16+]", + "TX_FRAGS_LINEARIZED", + "TX_HW_CSUMMED", +}; + +static void gmac_dump_dma_state(struct net_device *dev); + +static void gmac_update_config0_reg(struct net_device *dev, u32 val, u32 vmask) +{ + struct gmac_private *gmac = netdev_priv(dev); + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&gmac->config_lock, flags); + + reg = readl(gmac->ctl_iomem + GMAC_CONFIG0); + reg = (reg & ~vmask) | val; + writel(reg, gmac->ctl_iomem + GMAC_CONFIG0); + + spin_unlock_irqrestore(&gmac->config_lock, flags); +} + +static void gmac_enable_tx_rx(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + void __iomem *config0 = gmac->ctl_iomem + GMAC_CONFIG0; + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&gmac->config_lock, flags); + + reg = readl(config0); + reg &= ~CONFIG0_TX_RX_DISABLE; + writel(reg, config0); + + spin_unlock_irqrestore(&gmac->config_lock, flags); +} + +static void gmac_disable_tx_rx(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + void __iomem *config0 = gmac->ctl_iomem + GMAC_CONFIG0; + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&gmac->config_lock, flags); + + reg = readl(config0); + reg |= CONFIG0_TX_RX_DISABLE; + writel(reg, config0); + + spin_unlock_irqrestore(&gmac->config_lock, flags); + + mdelay(10); /* let GMAC consume packet */ +} + +static void gmac_set_flow_control(struct net_device *dev, bool tx, bool rx) +{ + struct gmac_private *gmac = netdev_priv(dev); + void __iomem *config0 = gmac->ctl_iomem + GMAC_CONFIG0; + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&gmac->config_lock, flags); + + reg = readl(config0); + reg &= ~CONFIG0_FLOW_CTL; + if (tx) + reg |= CONFIG0_FLOW_TX; + if (rx) + reg |= CONFIG0_FLOW_RX; + writel(reg, config0); + + spin_unlock_irqrestore(&gmac->config_lock, flags); +} + +static void gmac_update_link_state(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + void __iomem *status_reg = gmac->ctl_iomem + GMAC_STATUS; + struct phy_device *phydev = dev->phydev; + GMAC_STATUS_T status, old_status; + int pause_tx=0, pause_rx=0; + + old_status.bits32 = status.bits32 = readl(status_reg); + + status.bits.link = phydev->link; + status.bits.duplex = phydev->duplex; + + switch (phydev->speed) { + case 1000: + status.bits.speed = GMAC_SPEED_1000; + if (phydev->interface == PHY_INTERFACE_MODE_RGMII) + status.bits.mii_rmii = GMAC_PHY_RGMII_1000; + break; + case 100: + status.bits.speed = GMAC_SPEED_100; + if (phydev->interface == PHY_INTERFACE_MODE_RGMII) + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; + break; + case 10: + status.bits.speed = GMAC_SPEED_10; + if (phydev->interface == PHY_INTERFACE_MODE_RGMII) + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; + break; + default: + netdev_warn(dev, "Not supported PHY speed (%d)\n", + phydev->speed); + } + + if (phydev->duplex == DUPLEX_FULL) { + u16 lcladv = phy_read(phydev, MII_ADVERTISE); + u16 rmtadv = phy_read(phydev, MII_LPA); + u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv); + + if (cap & FLOW_CTRL_RX) + pause_rx=1; + if (cap & FLOW_CTRL_TX) + pause_tx=1; + } + + gmac_set_flow_control(dev, pause_tx, pause_rx); + + if (old_status.bits32 == status.bits32) + return; + + if (netif_msg_link(gmac)) { + phy_print_status(phydev); + netdev_info(dev, "link flow control: %s\n", + phydev->pause + ? (phydev->asym_pause ? "tx" : "both") + : (phydev->asym_pause ? "rx" : "none") + ); + } + + gmac_disable_tx_rx(dev); + writel(status.bits32, status_reg); + gmac_enable_tx_rx(dev); +} + +static int gmac_setup_phy(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + struct gemini_gmac_platform_data *pdata = toe->dev->platform_data; + GMAC_STATUS_T status = { .bits32 = 0 }; + int num = dev->dev_id; + + dev->phydev = phy_connect(dev, pdata->bus_id[num], + &gmac_update_link_state, pdata->interface[num]); + + if (IS_ERR(dev->phydev)) { + int err = PTR_ERR(dev->phydev); + dev->phydev = NULL; + return err; + } + + dev->phydev->supported &= PHY_GBIT_FEATURES; + dev->phydev->supported |= SUPPORTED_Asym_Pause | SUPPORTED_Pause; + dev->phydev->advertising = dev->phydev->supported; + + /* set PHY interface type */ + switch (dev->phydev->interface) { + case PHY_INTERFACE_MODE_MII: + status.bits.mii_rmii = GMAC_PHY_MII; + break; + case PHY_INTERFACE_MODE_GMII: + status.bits.mii_rmii = GMAC_PHY_GMII; + break; + case PHY_INTERFACE_MODE_RGMII: + status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; + break; + default: + netdev_err(dev, "Unsupported MII interface\n"); + phy_disconnect(dev->phydev); + dev->phydev = NULL; + return -EINVAL; + } + writel(status.bits32, gmac->ctl_iomem + GMAC_STATUS); + + return 0; +} + +static int gmac_pick_rx_max_len(int max_l3_len) +{ + /* index = CONFIG_MAXLEN_XXX values */ + static const int max_len[8] = { + 1536, 1518, 1522, 1542, + 9212, 10236, 1518, 1518 + }; + int i, n = 5; + + max_l3_len += ETH_HLEN + VLAN_HLEN; + + if (max_l3_len > max_len[n]) + return -1; + + for (i = 0; i < 5; ++i) { + if (max_len[i] >= max_l3_len && max_len[i] < max_len[n]) + n = i; + } + + return n; +} + +static int gmac_init(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + u32 val; + + GMAC_CONFIG0_T config0 = { .bits = { + .dis_tx = 1, + .dis_rx = 1, + .ipv4_rx_chksum = 1, + .ipv6_rx_chksum = 1, + .rx_err_detect = 1, + .rgmm_edge = 1, + .port0_chk_hwq = 1, + .port1_chk_hwq = 1, + .port0_chk_toeq = 1, + .port1_chk_toeq = 1, + .port0_chk_classq = 1, + .port1_chk_classq = 1, + } }; + GMAC_AHB_WEIGHT_T ahb_weight = { .bits = { + .rx_weight = 1, + .tx_weight = 1, + .hash_weight = 1, + .pre_req = 0x1f, + .tqDV_threshold = 0, + } }; + GMAC_TX_WCR0_T hw_weigh = { .bits = { + .hw_tq3 = 1, + .hw_tq2 = 1, + .hw_tq1 = 1, + .hw_tq0 = 1, + } }; + GMAC_TX_WCR1_T sw_weigh = { .bits = { + .sw_tq5 = 1, + .sw_tq4 = 1, + .sw_tq3 = 1, + .sw_tq2 = 1, + .sw_tq1 = 1, + .sw_tq0 = 1, + } }; + GMAC_CONFIG1_T config1 = { .bits = { + .set_threshold = 16, + .rel_threshold = 24, + } }; + GMAC_CONFIG2_T config2 = { .bits = { + .set_threshold = 16, + .rel_threshold = 32, + } }; + GMAC_CONFIG3_T config3 = { .bits = { + .set_threshold = 0, + .rel_threshold = 0, + } }; + + config0.bits.max_len = gmac_pick_rx_max_len(dev->mtu); + + val = readl(gmac->ctl_iomem + GMAC_CONFIG0); + config0.bits.reserved = ((GMAC_CONFIG0_T)val).bits.reserved; + writel(config0.bits32, gmac->ctl_iomem + GMAC_CONFIG0); + writel(config1.bits32, gmac->ctl_iomem + GMAC_CONFIG1); + writel(config2.bits32, gmac->ctl_iomem + GMAC_CONFIG2); + writel(config3.bits32, gmac->ctl_iomem + GMAC_CONFIG3); + + val = readl(gmac->dma_iomem + GMAC_AHB_WEIGHT_REG); + writel(ahb_weight.bits32, gmac->dma_iomem + GMAC_AHB_WEIGHT_REG); + + writel(hw_weigh.bits32, + gmac->dma_iomem + GMAC_TX_WEIGHTING_CTRL_0_REG); + writel(sw_weigh.bits32, + gmac->dma_iomem + GMAC_TX_WEIGHTING_CTRL_1_REG); + + gmac->rxq_order = DEFAULT_GMAC_RXQ_ORDER; + gmac->txq_order = DEFAULT_GMAC_TXQ_ORDER; + gmac->rx_coalesce_nsecs = DEFAULT_RX_COALESCE_NSECS; + + /* Mark every quarter of the queue a packet for interrupt + in order to be able to wake up the queue if it was stopped */ + gmac->irq_every_tx_packets = 1 << (gmac->txq_order - 2); + + return 0; +} + +static void gmac_uninit(struct net_device *dev) +{ + if (dev->phydev) + phy_disconnect(dev->phydev); +} + +static int gmac_setup_txqs(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + void __iomem *rwptr_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE0_PTR_REG; + void __iomem *base_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE_BASE_REG; + + unsigned int n_txq = dev->num_tx_queues; + size_t entries = 1 <txq_order; + size_t len = n_txq * entries; + struct gmac_txq *txq = gmac->txq; + GMAC_TXDESC_T *desc_ring; + struct sk_buff **skb_tab; + unsigned int r; + int i; + + skb_tab = kzalloc(len * sizeof(*skb_tab), GFP_KERNEL); + if (!skb_tab) + return -ENOMEM; + + desc_ring = dma_alloc_coherent(toe->dev, len * sizeof(*desc_ring), + &gmac->txq_dma_base, GFP_KERNEL); + + if (!desc_ring) { + kfree(skb_tab); + return -ENOMEM; + } + + BUG_ON(gmac->txq_dma_base & ~DMA_Q_BASE_MASK); + + writel(gmac->txq_dma_base | gmac->txq_order, base_reg); + + for (i = 0; i < n_txq; i++) { + txq->ring = desc_ring; + txq->skb = skb_tab; + txq->noirq_packets = 0; + + r = readw(rwptr_reg); + rwptr_reg += 2; + writew(r, rwptr_reg); + rwptr_reg +=2; + txq->cptr = r; + + txq++; + desc_ring += entries; + skb_tab += entries; + } + + return 0; +} + +static void gmac_clean_txq(struct net_device *dev, struct gmac_txq *txq, + unsigned int r) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + unsigned int errs = 0; + unsigned int pkts = 0; + unsigned int hwchksum = 0; + unsigned long bytes = 0; + unsigned int m = (1 << gmac->txq_order) - 1; + unsigned int c = txq->cptr; + GMAC_TXDESC_0_T word0; + GMAC_TXDESC_1_T word1; + unsigned int word3; + dma_addr_t mapping; + GMAC_TXDESC_T *txd; + unsigned short nfrags; + + if (unlikely(c == r)) + return; + + rmb(); + while (c != r) { + txd = txq->ring + c; + word0 = txd->word0; + word1 = txd->word1; + mapping = txd->word2.buf_adr; + word3 = txd->word3.bits32; + + dma_unmap_single(toe->dev, mapping, word0.bits.buffer_size, DMA_TO_DEVICE); + + if (word3 & EOF_BIT) + dev_kfree_skb(txq->skb[c]); + + c++; + c &= m; + + if (!(word3 & SOF_BIT)) + continue; + + if (!word0.bits.status_tx_ok) { + errs++; + continue; + } + + pkts++; + bytes += txd->word1.bits.byte_count; + + if (word1.bits32 & TSS_CHECKUM_ENABLE) + hwchksum++; + + nfrags = word0.bits.desc_count - 1; + if (nfrags) { + if (nfrags >= TX_MAX_FRAGS) + nfrags = TX_MAX_FRAGS - 1; + + u64_stats_update_begin(&gmac->tx_stats_syncp); + gmac->tx_frag_stats[nfrags]++; + u64_stats_update_end(&gmac->ir_stats_syncp); + } + } + + u64_stats_update_begin(&gmac->ir_stats_syncp); + gmac->stats.tx_errors += errs; + gmac->stats.tx_packets += pkts; + gmac->stats.tx_bytes += bytes; + gmac->tx_hw_csummed += hwchksum; + u64_stats_update_end(&gmac->ir_stats_syncp); + + txq->cptr = c; +} + +static void gmac_cleanup_txqs(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + void __iomem *rwptr_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE0_PTR_REG; + void __iomem *base_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE_BASE_REG; + + unsigned n_txq = dev->num_tx_queues; + unsigned int r, i; + + for (i = 0; i < n_txq; i++) { + r = readw(rwptr_reg); + rwptr_reg += 2; + writew(r, rwptr_reg); + rwptr_reg += 2; + + gmac_clean_txq(dev, gmac->txq + i, r); + } + writel(0, base_reg); + + kfree(gmac->txq->skb); + dma_free_coherent(toe->dev, + n_txq * sizeof(*gmac->txq->ring) << gmac->txq_order, + gmac->txq->ring, gmac->txq_dma_base); +} + +static int gmac_setup_rxq(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + NONTOE_QHDR_T __iomem *qhdr = toe->iomem + TOE_DEFAULT_Q_HDR_BASE(dev->dev_id); + + gmac->rxq_rwptr = &qhdr->word1; + gmac->rxq_ring = dma_alloc_coherent(toe->dev, + sizeof(*gmac->rxq_ring) << gmac->rxq_order, + &gmac->rxq_dma_base, GFP_KERNEL); + if (!gmac->rxq_ring) + return -ENOMEM; + + BUG_ON(gmac->rxq_dma_base & ~NONTOE_QHDR0_BASE_MASK); + + writel(gmac->rxq_dma_base | gmac->rxq_order, &qhdr->word0); + writel(0, gmac->rxq_rwptr); + return 0; +} + +static void gmac_cleanup_rxq(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + + NONTOE_QHDR_T __iomem *qhdr = toe->iomem + TOE_DEFAULT_Q_HDR_BASE(dev->dev_id); + void __iomem *dma_reg = &qhdr->word0; + void __iomem *ptr_reg = &qhdr->word1; + GMAC_RXDESC_T *rxd = gmac->rxq_ring; + DMA_RWPTR_T rw; + unsigned int r, w; + unsigned int m = (1 <rxq_order) - 1; + struct page *page; + dma_addr_t mapping; + + rw.bits32 = readl(ptr_reg); + r = rw.bits.rptr; + w = rw.bits.wptr; + writew(r, ptr_reg + 2); + + writel(0, dma_reg); + + rmb(); + while (r != w) { + mapping = rxd[r].word2.buf_adr; + r++; + r &= m; + + if (!mapping) + continue; + + page = pfn_to_page(dma_to_pfn(toe->dev, mapping)); + put_page(page); + } + + dma_free_coherent(toe->dev, sizeof(*gmac->rxq_ring) << gmac->rxq_order, + gmac->rxq_ring, gmac->rxq_dma_base); +} + +static struct page *toe_freeq_alloc_map_page(struct toe_private *toe, int pn) +{ + unsigned int fpp_order = PAGE_SHIFT - toe->freeq_frag_order; + unsigned int frag_len = 1 << toe->freeq_frag_order; + GMAC_RXDESC_T *freeq_entry; + dma_addr_t mapping; + struct page *page; + int i; + + page = alloc_page(__GFP_COLD | GFP_ATOMIC); + if (!page) + return NULL; + + mapping = dma_map_single(toe->dev, page_address(page), + PAGE_SIZE, DMA_FROM_DEVICE); + + if (unlikely(dma_mapping_error(toe->dev, mapping) || !mapping)) { + put_page(page); + return NULL; + } + + freeq_entry = toe->freeq_ring + (pn << fpp_order); + for (i = 1 << fpp_order; i > 0; --i) { + freeq_entry->word2.buf_adr = mapping; + freeq_entry++; + mapping += frag_len; + } + + if (toe->freeq_page_tab[pn]) { + mapping = toe->freeq_ring[pn << fpp_order].word2.buf_adr; + dma_unmap_single(toe->dev, mapping, frag_len, DMA_FROM_DEVICE); + put_page(toe->freeq_page_tab[pn]); + } + + toe->freeq_page_tab[pn] = page; + return page; +} + +static unsigned int toe_fill_freeq(struct toe_private *toe, int reset) +{ + void __iomem *rwptr_reg = toe->iomem + GLOBAL_SWFQ_RWPTR_REG; + + DMA_RWPTR_T rw; + unsigned int pn, epn; + unsigned int fpp_order = PAGE_SHIFT - toe->freeq_frag_order; + unsigned int m_pn = (1 << (toe->freeq_order - fpp_order)) - 1; + struct page *page; + unsigned int count = 0; + unsigned long flags; + + spin_lock_irqsave(&toe->freeq_lock, flags); + + rw.bits32 = readl(rwptr_reg); + pn = (reset ? rw.bits.rptr : rw.bits.wptr) >> fpp_order; + epn = (rw.bits.rptr >> fpp_order) - 1; + epn &= m_pn; + + while (pn != epn) { + page = toe->freeq_page_tab[pn]; + + if (atomic_read(&page->_count) > 1) { + unsigned int fl = (pn -epn) & m_pn; + + if (fl > 64 >> fpp_order) + break; + + page = toe_freeq_alloc_map_page(toe, pn); + if (!page) + break; + } + + atomic_add(1 << fpp_order, &page->_count); + count += 1 << fpp_order; + pn++; + pn &= m_pn; + } + + wmb(); + writew(pn << fpp_order, rwptr_reg+2); + + spin_unlock_irqrestore(&toe->freeq_lock, flags); + return count; +} + +static int toe_setup_freeq(struct toe_private *toe) +{ + void __iomem *dma_reg = toe->iomem + GLOBAL_SW_FREEQ_BASE_SIZE_REG; + QUEUE_THRESHOLD_T qt; + DMA_SKB_SIZE_T skbsz; + unsigned int filled; + unsigned int frag_len = 1 << toe->freeq_frag_order; + unsigned int len = 1 << toe->freeq_order; + unsigned int fpp_order = PAGE_SHIFT - toe->freeq_frag_order; + unsigned int pages = len >> fpp_order; + dma_addr_t mapping; + unsigned int pn; + + toe->freeq_ring = dma_alloc_coherent(toe->dev, + sizeof(*toe->freeq_ring) << toe->freeq_order, + &toe->freeq_dma_base, GFP_KERNEL); + if (!toe->freeq_ring) + return -ENOMEM; + + BUG_ON(toe->freeq_dma_base & ~DMA_Q_BASE_MASK); + + toe->freeq_page_tab = kzalloc(pages * sizeof(*toe->freeq_page_tab), + GFP_KERNEL); + if (!toe->freeq_page_tab) + goto err_freeq; + + for (pn = 0; pn < pages; pn++) + if (!toe_freeq_alloc_map_page(toe, pn)) + goto err_freeq_alloc; + + filled = toe_fill_freeq(toe, 1); + if (!filled) + goto err_freeq_alloc; + + qt.bits32 = readl(toe->iomem + GLOBAL_QUEUE_THRESHOLD_REG); + qt.bits.swfq_empty = 32; + writel(qt.bits32, toe->iomem + GLOBAL_QUEUE_THRESHOLD_REG); + + skbsz.bits.sw_skb_size = 1 << toe->freeq_frag_order; + writel(skbsz.bits32, toe->iomem + GLOBAL_DMA_SKB_SIZE_REG); + writel(toe->freeq_dma_base | toe->freeq_order, dma_reg); + + return 0; + +err_freeq_alloc: + while (pn > 0) { + --pn; + mapping = toe->freeq_ring[pn << fpp_order].word2.buf_adr; + dma_unmap_single(toe->dev, mapping, frag_len, DMA_FROM_DEVICE); + put_page(toe->freeq_page_tab[pn]); + } + +err_freeq: + dma_free_coherent(toe->dev, + sizeof(*toe->freeq_ring) << toe->freeq_order, + toe->freeq_ring, toe->freeq_dma_base); + toe->freeq_ring = NULL; + return -ENOMEM; +} + +static void toe_cleanup_freeq(struct toe_private *toe) +{ + void __iomem *dma_reg = toe->iomem + GLOBAL_SW_FREEQ_BASE_SIZE_REG; + void __iomem *ptr_reg = toe->iomem + GLOBAL_SWFQ_RWPTR_REG; + + unsigned int frag_len = 1 << toe->freeq_frag_order; + unsigned int len = 1 << toe->freeq_order; + unsigned int fpp_order = PAGE_SHIFT - toe->freeq_frag_order; + unsigned int pages = len >> fpp_order; + struct page *page; + dma_addr_t mapping; + unsigned int pn; + + writew(readw(ptr_reg), ptr_reg + 2); + writel(0, dma_reg); + + for (pn = 0; pn < pages; pn++) { + mapping = toe->freeq_ring[pn << fpp_order].word2.buf_adr; + dma_unmap_single(toe->dev, mapping, frag_len, DMA_FROM_DEVICE); + + page = toe->freeq_page_tab[pn]; + while (atomic_read(&page->_count) > 0) + put_page(page); + } + + kfree(toe->freeq_page_tab); + + dma_free_coherent(toe->dev, + sizeof(*toe->freeq_ring) << toe->freeq_order, + toe->freeq_ring, toe->freeq_dma_base); +} + +static int toe_resize_freeq(struct toe_private *toe, int changing_dev_id) +{ + void __iomem *irqen_reg = toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG; + struct gmac_private *gmac; + struct net_device *other = toe->netdev[1 - changing_dev_id]; + unsigned new_size = 0; + unsigned new_order; + int err; + unsigned long flags; + unsigned en; + + if (other && netif_running(other)) + return -EBUSY; + + if (toe->netdev[0]) { + gmac = netdev_priv(toe->netdev[0]); + new_size = 1 << (gmac->rxq_order + 1); + } + + if (toe->netdev[1]) { + gmac = netdev_priv(toe->netdev[1]); + new_size += 1 << (gmac->rxq_order + 1); + } + + new_order = min(15, ilog2(new_size - 1) + 1); + if (toe->freeq_order == new_order) + return 0; + + spin_lock_irqsave(&toe->irq_lock, flags); + en = readl(irqen_reg); + en &= ~SWFQ_EMPTY_INT_BIT; + writel(en, irqen_reg); + + if (toe->freeq_ring) + toe_cleanup_freeq(toe); + + toe->freeq_order = new_order; + err = toe_setup_freeq(toe); + + en |= SWFQ_EMPTY_INT_BIT; + writel(en, irqen_reg); + spin_unlock_irqrestore(&toe->irq_lock, flags); + + return err; +} + +static void gmac_tx_irq_enable(struct net_device *dev, unsigned txq, int en) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + unsigned val, mask; + + mask = GMAC0_IRQ0_TXQ0_INTS << (6 * dev->dev_id + txq); + + if (en) + writel(mask, toe->iomem + GLOBAL_INTERRUPT_STATUS_0_REG); + + val = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); + val = en ? val | mask : val & ~mask; + writel(val, toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); +} + + +static void gmac_tx_irq(struct net_device *dev, unsigned txq_num) +{ + struct netdev_queue *ntxq = netdev_get_tx_queue(dev, txq_num); + + gmac_tx_irq_enable(dev, txq_num, 0); + netif_tx_wake_queue(ntxq); +} + +static int gmac_map_tx_bufs(struct net_device *dev, struct sk_buff *skb, + struct gmac_txq *txq, unsigned short *desc) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + struct skb_shared_info *skb_si = skb_shinfo(skb); + skb_frag_t *skb_frag; + short frag, last_frag = skb_si->nr_frags - 1; + unsigned short m = (1 << gmac->txq_order) -1; + unsigned short w = *desc; + unsigned word1, word3, buflen; + dma_addr_t mapping; + void *buffer; + unsigned short mtu; + GMAC_TXDESC_T *txd; + + mtu = ETH_HLEN; + mtu += dev->mtu; + if (skb->protocol == htons(ETH_P_8021Q)) + mtu += VLAN_HLEN; + + word1 = skb->len; + word3 = SOF_BIT; + + if (word1 > mtu) { + word1 |= TSS_MTU_ENABLE_BIT; + word3 += mtu; + } + + if (skb->ip_summed != CHECKSUM_NONE) { + int tcp = 0; + if (skb->protocol == htons(ETH_P_IP)) { + word1 |= TSS_IP_CHKSUM_BIT; + tcp = ip_hdr(skb)->protocol == IPPROTO_TCP; + } else { /* IPv6 */ + word1 |= TSS_IPV6_ENABLE_BIT; + tcp = ipv6_hdr(skb)->nexthdr == IPPROTO_TCP; + } + + word1 |= tcp ? TSS_TCP_CHKSUM_BIT : TSS_UDP_CHKSUM_BIT; + } + + frag = -1; + while (frag <= last_frag) { + if (frag == -1) { + buffer = skb->data; + buflen = skb_headlen(skb); + } else { + skb_frag = skb_si->frags + frag; + buffer = page_address(skb_frag_page(skb_frag)) + + skb_frag->page_offset; + buflen = skb_frag->size; + } + + if (frag == last_frag) { + word3 |= EOF_BIT; + txq->skb[w] = skb; + } + + mapping = dma_map_single(toe->dev, buffer, buflen, + DMA_TO_DEVICE); + if (dma_mapping_error(toe->dev, mapping) || + !(mapping & PAGE_MASK)) + goto map_error; + + txd = txq->ring + w; + txd->word0.bits32 = buflen; + txd->word1.bits32 = word1; + txd->word2.buf_adr = mapping; + txd->word3.bits32 = word3; + + word3 &= MTU_SIZE_BIT_MASK; + w++; + w &= m; + frag++; + } + + *desc = w; + return 0; + +map_error: + while (w != *desc) { + w--; + w &= m; + + dma_unmap_page(toe->dev, txq->ring[w].word2.buf_adr, + txq->ring[w].word0.bits.buffer_size, DMA_TO_DEVICE); + } + return ENOMEM; +} + +static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + + void __iomem *ptr_reg; + struct gmac_txq *txq; + struct netdev_queue *ntxq; + int txq_num, nfrags; + DMA_RWPTR_T rw; + unsigned short r, w, d; + unsigned short m = (1 << gmac->txq_order) - 1; + + SKB_FRAG_ASSERT(skb); + + if (unlikely(skb->len >= 0x10000)) + goto out_drop_free; + + txq_num = skb_get_queue_mapping(skb); + ptr_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE_PTR_REG(txq_num); + txq = &gmac->txq[txq_num]; + ntxq = netdev_get_tx_queue(dev, txq_num); + nfrags = skb_shinfo(skb)->nr_frags; + + rw.bits32 = readl(ptr_reg); + r = rw.bits.rptr; + w = rw.bits.wptr; + + d = txq->cptr - w - 1; + d &= m; + + if (unlikely(d < nfrags+2)) + { + gmac_clean_txq(dev, txq, r); + d = txq->cptr - w - 1; + d &= m; + + if (unlikely(d < nfrags+2)) { + netif_tx_stop_queue(ntxq); + + d = txq->cptr + nfrags + 16; + d &= m; + txq->ring[d].word3.bits.eofie = 1; + gmac_tx_irq_enable(dev, txq_num, 1); + + u64_stats_update_begin(&gmac->tx_stats_syncp); + dev->stats.tx_fifo_errors++; + u64_stats_update_end(&gmac->tx_stats_syncp); + return NETDEV_TX_BUSY; + } + } + + if (unlikely(gmac_map_tx_bufs(dev, skb, txq, &w))) { + if (skb_linearize(skb)) + goto out_drop; + + if (unlikely(gmac_map_tx_bufs(dev, skb, txq, &w))) + goto out_drop_free; + + u64_stats_update_begin(&gmac->tx_stats_syncp); + gmac->tx_frags_linearized++; + u64_stats_update_end(&gmac->tx_stats_syncp); + } + + writew(w, ptr_reg+2); + + gmac_clean_txq(dev, txq, r); + return NETDEV_TX_OK; + +out_drop_free: + dev_kfree_skb(skb); +out_drop: + u64_stats_update_begin(&gmac->tx_stats_syncp); + gmac->stats.tx_dropped++; + u64_stats_update_end(&gmac->tx_stats_syncp); + return NETDEV_TX_OK; +} + +static void gmac_tx_timeout(struct net_device *dev) +{ + netdev_err(dev, "Tx timeout\n"); + gmac_dump_dma_state(dev); +} + +static void gmac_enable_irq(struct net_device *dev, int enable) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + unsigned long flags; + unsigned val, mask; + + spin_lock_irqsave(&toe->irq_lock, flags); + + mask = GMAC0_IRQ0_2 << (dev->dev_id * 2); + val = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); + val = enable ? (val | mask) : (val & ~mask); + writel(val, toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); + + mask = DEFAULT_Q0_INT_BIT << dev->dev_id; + val = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); + val = enable ? (val | mask) : (val & ~mask); + writel(val, toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); + + mask = GMAC0_IRQ4_8 << (dev->dev_id * 8); + val = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG); + val = enable ? (val | mask) : (val & ~mask); + writel(val, toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG); + + spin_unlock_irqrestore(&toe->irq_lock, flags); +} + +static void gmac_enable_rx_irq(struct net_device *dev, int enable) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + unsigned long flags; + unsigned val, mask; + + spin_lock_irqsave(&toe->irq_lock, flags); + mask = DEFAULT_Q0_INT_BIT << dev->dev_id; + + val = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); + val = enable ? (val | mask) : (val & ~mask); + writel(val, toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); + + spin_unlock_irqrestore(&toe->irq_lock, flags); +} + +static struct sk_buff *gmac_skb_if_good_frame(struct gmac_private *gmac, + GMAC_RXDESC_0_T word0, unsigned frame_len) +{ + struct sk_buff *skb = NULL; + unsigned rx_status = word0.bits.status; + unsigned rx_csum = word0.bits.chksum_status; + + gmac->rx_stats[rx_status]++; + gmac->rx_csum_stats[rx_csum]++; + + if (word0.bits.derr || word0.bits.perr || + rx_status || frame_len < ETH_ZLEN || + rx_csum >= RX_CHKSUM_IP_ERR_UNKNOWN) { + gmac->stats.rx_errors++; + + if (frame_len < ETH_ZLEN || RX_ERROR_LENGTH(rx_status)) + gmac->stats.rx_length_errors++; + if (RX_ERROR_OVER(rx_status)) + gmac->stats.rx_over_errors++; + if (RX_ERROR_CRC(rx_status)) + gmac->stats.rx_crc_errors++; + if (RX_ERROR_FRAME(rx_status)) + gmac->stats.rx_frame_errors++; + + return NULL; + } + + skb = napi_get_frags(&gmac->napi); + if (!skb) + return NULL; + + if (rx_csum == RX_CHKSUM_IP_UDP_TCP_OK) + skb->ip_summed = CHECKSUM_UNNECESSARY; + + gmac->stats.rx_bytes += frame_len; + gmac->stats.rx_packets++; + return skb; +} + +static unsigned gmac_rx(struct net_device *dev, unsigned budget) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + void __iomem *ptr_reg = gmac->rxq_rwptr; + + static struct sk_buff *skb; + + DMA_RWPTR_T rw; + unsigned short r, w; + unsigned short m = (1 << gmac->rxq_order) -1; + GMAC_RXDESC_T *rx = NULL; + struct page* page = NULL; + unsigned page_offs; + unsigned int frame_len, frag_len; + int frag_nr = 0; + + GMAC_RXDESC_0_T word0; + GMAC_RXDESC_1_T word1; + dma_addr_t mapping; + GMAC_RXDESC_3_T word3; + + rw.bits32 = readl(ptr_reg); + /* Reset interrupt as all packages until here are taken into account */ + writel(DEFAULT_Q0_INT_BIT << dev->dev_id, + toe->iomem + GLOBAL_INTERRUPT_STATUS_1_REG); + r = rw.bits.rptr; + w = rw.bits.wptr; + + while (budget && w != r) { + rx = gmac->rxq_ring + r; + word0 = rx->word0; + word1 = rx->word1; + mapping = rx->word2.buf_adr; + word3 = rx->word3; + + r++; + r &= m; + + frag_len = word0.bits.buffer_size; + frame_len =word1.bits.byte_count; + page_offs = mapping & ~PAGE_MASK; + + if (unlikely(!mapping)) { + netdev_err(dev, "rxq[%u]: HW BUG: zero DMA desc\n", r); + goto err_drop; + } + + page = pfn_to_page(dma_to_pfn(toe->dev, mapping)); + + if (word3.bits32 & SOF_BIT) { + if (unlikely(skb)) { + napi_free_frags(&gmac->napi); + gmac->stats.rx_dropped++; + } + + skb = gmac_skb_if_good_frame(gmac, word0, frame_len); + if (unlikely(!skb)) + goto err_drop; + + page_offs += NET_IP_ALIGN; + frag_len -= NET_IP_ALIGN; + frag_nr = 0; + + } else if (!skb) { + put_page(page); + continue; + } + + if (word3.bits32 & EOF_BIT) + frag_len = frame_len - skb->len; + + /* append page frag to skb */ + if (unlikely(frag_nr == MAX_SKB_FRAGS)) + goto err_drop; + + if (frag_len == 0) + netdev_err(dev, "Received fragment with len = 0\n"); + + skb_fill_page_desc(skb, frag_nr, page, page_offs, frag_len); + skb->len += frag_len; + skb->data_len += frag_len; + skb->truesize += frag_len; + frag_nr++; + + if (word3.bits32 & EOF_BIT) { + napi_gro_frags(&gmac->napi); + skb = NULL; + --budget; + } + continue; + +err_drop: + if (skb) { + napi_free_frags(&gmac->napi); + skb = NULL; + } + + if (mapping) + put_page(page); + + gmac->stats.rx_dropped++; + } + + writew(r, ptr_reg); + return budget; +} + +static int gmac_napi_poll(struct napi_struct *napi, int budget) +{ + struct gmac_private *gmac = netdev_priv(napi->dev); + struct toe_private *toe = gmac->toe; + unsigned rx; + unsigned freeq_threshold = 1 << (toe->freeq_order - 1); + + u64_stats_update_begin(&gmac->rx_stats_syncp); + + rx = budget - gmac_rx(napi->dev, budget); + + if (rx == 0) { + napi_gro_flush(napi, false); + __napi_complete(napi); + gmac_enable_rx_irq(napi->dev, 1); + ++gmac->rx_napi_exits; + } + + gmac->freeq_refill += rx; + if (gmac->freeq_refill > freeq_threshold) { + gmac->freeq_refill -= freeq_threshold; + toe_fill_freeq(toe, 0); + } + + u64_stats_update_end(&gmac->rx_stats_syncp); + return budget; +} + +static void gmac_dump_dma_state(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + void __iomem *ptr_reg; + unsigned reg[5]; + + /* Interrupt status */ + reg[0] = readl(toe->iomem + GLOBAL_INTERRUPT_STATUS_0_REG); + reg[1] = readl(toe->iomem + GLOBAL_INTERRUPT_STATUS_1_REG); + reg[2] = readl(toe->iomem + GLOBAL_INTERRUPT_STATUS_2_REG); + reg[3] = readl(toe->iomem + GLOBAL_INTERRUPT_STATUS_3_REG); + reg[4] = readl(toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG); + netdev_err(dev, "IRQ status: 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", + reg[0], reg[1], reg[2], reg[3], reg[4]); + + /* Interrupt enable */ + reg[0] = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); + reg[1] = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); + reg[2] = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_2_REG); + reg[3] = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_3_REG); + reg[4] = readl(toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG); + netdev_err(dev, "IRQ enable: 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", + reg[0], reg[1], reg[2], reg[3], reg[4]); + + /* RX DMA status */ + reg[0] = readl(gmac->dma_iomem + GMAC_DMA_RX_FIRST_DESC_REG); + reg[1] = readl(gmac->dma_iomem + GMAC_DMA_RX_CURR_DESC_REG); + reg[2] = GET_RPTR(gmac->rxq_rwptr); + reg[3] = GET_WPTR(gmac->rxq_rwptr); + netdev_err(dev, "RX DMA regs: 0x%08x 0x%08x, ptr: %u %u\n", + reg[0], reg[1], reg[2], reg[3]); + + reg[0] = readl(gmac->dma_iomem + GMAC_DMA_RX_DESC_WORD0_REG); + reg[1] = readl(gmac->dma_iomem + GMAC_DMA_RX_DESC_WORD1_REG); + reg[2] = readl(gmac->dma_iomem + GMAC_DMA_RX_DESC_WORD2_REG); + reg[3] = readl(gmac->dma_iomem + GMAC_DMA_RX_DESC_WORD3_REG); + netdev_err(dev, "RX DMA descriptor: 0x%08x 0x%08x 0x%08x 0x%08x\n", + reg[0], reg[1], reg[2], reg[3]); + + /* TX DMA status */ + ptr_reg = gmac->dma_iomem + GMAC_SW_TX_QUEUE0_PTR_REG; + + reg[0] = readl(gmac->dma_iomem + GMAC_DMA_TX_FIRST_DESC_REG); + reg[1] = readl(gmac->dma_iomem + GMAC_DMA_TX_CURR_DESC_REG); + reg[2] = GET_RPTR(ptr_reg); + reg[3] = GET_WPTR(ptr_reg); + netdev_err(dev, "TX DMA regs: 0x%08x 0x%08x, ptr: %u %u\n", + reg[0], reg[1], reg[2], reg[3]); + + reg[0] = readl(gmac->dma_iomem + GMAC_DMA_TX_DESC_WORD0_REG); + reg[1] = readl(gmac->dma_iomem + GMAC_DMA_TX_DESC_WORD1_REG); + reg[2] = readl(gmac->dma_iomem + GMAC_DMA_TX_DESC_WORD2_REG); + reg[3] = readl(gmac->dma_iomem + GMAC_DMA_TX_DESC_WORD3_REG); + netdev_err(dev, "TX DMA descriptor: 0x%08x 0x%08x 0x%08x 0x%08x\n", + reg[0], reg[1], reg[2], reg[3]); + + /* FREE queues status */ + ptr_reg = toe->iomem + GLOBAL_SWFQ_RWPTR_REG; + + reg[0] = GET_RPTR(ptr_reg); + reg[1] = GET_WPTR(ptr_reg); + + ptr_reg = toe->iomem + GLOBAL_HWFQ_RWPTR_REG; + + reg[2] = GET_RPTR(ptr_reg); + reg[3] = GET_WPTR(ptr_reg); + netdev_err(dev, "FQ SW ptr: %u %u, HW ptr: %u %u\n", + reg[0], reg[1], reg[2], reg[3]); +} + +static void gmac_update_hw_stats(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + unsigned long flags; + unsigned int rx_discards, rx_mcast, rx_bcast; + + spin_lock_irqsave(&toe->irq_lock, flags); + u64_stats_update_begin(&gmac->ir_stats_syncp); + + gmac->hw_stats[0] += rx_discards = readl(gmac->ctl_iomem + GMAC_IN_DISCARDS); + gmac->hw_stats[1] += readl(gmac->ctl_iomem + GMAC_IN_ERRORS); + gmac->hw_stats[2] += rx_mcast = readl(gmac->ctl_iomem + GMAC_IN_MCAST); + gmac->hw_stats[3] += rx_bcast = readl(gmac->ctl_iomem + GMAC_IN_BCAST); + gmac->hw_stats[4] += readl(gmac->ctl_iomem + GMAC_IN_MAC1); + gmac->hw_stats[5] += readl(gmac->ctl_iomem + GMAC_IN_MAC2); + + gmac->stats.rx_missed_errors += rx_discards; + gmac->stats.multicast += rx_mcast; + gmac->stats.multicast += rx_bcast; + + writel(GMAC0_MIB_INT_BIT << (dev->dev_id * 8), + toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG); + + u64_stats_update_end(&gmac->ir_stats_syncp); + spin_unlock_irqrestore(&toe->irq_lock, flags); +} + +static inline unsigned gmac_get_intr_flags(struct net_device *dev, int i) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + void __iomem *irqif_reg, *irqen_reg; + unsigned offs, val; + + offs = i * (GLOBAL_INTERRUPT_STATUS_1_REG - GLOBAL_INTERRUPT_STATUS_0_REG); + + irqif_reg = toe->iomem + GLOBAL_INTERRUPT_STATUS_0_REG + offs; + irqen_reg = toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG + offs; + + val = readl(irqif_reg) & readl(irqen_reg); + return val; +} + +enum hrtimer_restart gmac_coalesce_delay_expired( struct hrtimer *timer ) +{ + struct gmac_private *gmac = container_of(timer, struct gmac_private, rx_coalesce_timer); + + napi_schedule(&gmac->napi); + return HRTIMER_NORESTART; +} + +static irqreturn_t gmac_irq(int irq, void *data) +{ + struct net_device *dev = data; + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + unsigned val, orr = 0; + + orr |= val = gmac_get_intr_flags(dev, 0); + + if (unlikely(val & (GMAC0_IRQ0_2 << (dev->dev_id * 2)))) { + /* oh, crap. */ + netdev_err(dev, "hw failure/sw bug\n"); + gmac_dump_dma_state(dev); + + /* don't know how to recover, just reduce losses */ + gmac_enable_irq(dev, 0); + return IRQ_HANDLED; + } + + if (val & (GMAC0_IRQ0_TXQ0_INTS << (dev->dev_id * 6))) + gmac_tx_irq(dev, 0); + + orr |= val = gmac_get_intr_flags(dev, 1); + + if (val & (DEFAULT_Q0_INT_BIT << dev->dev_id)) { + + gmac_enable_rx_irq(dev, 0); + + if (!gmac->rx_coalesce_nsecs) + napi_schedule(&gmac->napi); + else { + ktime_t ktime; + ktime = ktime_set(0, gmac->rx_coalesce_nsecs); + hrtimer_start(&gmac->rx_coalesce_timer, ktime, HRTIMER_MODE_REL); + } + } + + orr |= val = gmac_get_intr_flags(dev, 4); + + if (unlikely(val & (GMAC0_MIB_INT_BIT << (dev->dev_id * 8)))) + gmac_update_hw_stats(dev); + + if (unlikely(val & (GMAC0_RX_OVERRUN_INT_BIT << (dev->dev_id * 8)))) { + writel(GMAC0_RXDERR_INT_BIT << (dev->dev_id * 8), + toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG); + + spin_lock(&toe->irq_lock); + u64_stats_update_begin(&gmac->ir_stats_syncp); + ++gmac->stats.rx_fifo_errors; + u64_stats_update_end(&gmac->ir_stats_syncp); + spin_unlock(&toe->irq_lock); + } + + return orr ? IRQ_HANDLED : IRQ_NONE; +} + +static void gmac_start_dma(struct gmac_private *gmac) +{ + void __iomem *dma_ctrl_reg = gmac->dma_iomem + GMAC_DMA_CTRL_REG; + GMAC_DMA_CTRL_T dma_ctrl; + + dma_ctrl.bits32 = readl(dma_ctrl_reg); + dma_ctrl.bits.rd_enable = 1; + dma_ctrl.bits.td_enable = 1; + dma_ctrl.bits.loopback = 0; + dma_ctrl.bits.drop_small_ack = 0; + dma_ctrl.bits.rd_insert_bytes = NET_IP_ALIGN; + dma_ctrl.bits.rd_prot = HPROT_DATA_CACHE | HPROT_PRIVILIGED; + dma_ctrl.bits.rd_burst_size = HBURST_INCR8; + dma_ctrl.bits.rd_bus = HSIZE_8; + dma_ctrl.bits.td_prot = HPROT_DATA_CACHE; + dma_ctrl.bits.td_burst_size = HBURST_INCR8; + dma_ctrl.bits.td_bus = HSIZE_8; + + writel(dma_ctrl.bits32, dma_ctrl_reg); +} + +static void gmac_stop_dma(struct gmac_private *gmac) +{ + void __iomem *dma_ctrl_reg = gmac->dma_iomem + GMAC_DMA_CTRL_REG; + GMAC_DMA_CTRL_T dma_ctrl; + + dma_ctrl.bits32 = readl(dma_ctrl_reg); + dma_ctrl.bits.rd_enable = 0; + dma_ctrl.bits.td_enable = 0; + writel(dma_ctrl.bits32, dma_ctrl_reg); +} + +static int gmac_open(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + int err; + + if (!dev->phydev) { + err = gmac_setup_phy(dev); + if (err) { + netif_err(gmac, ifup, dev, + "PHY init failed: %d\n", err); + return err; + } + } + + err = request_irq(dev->irq, gmac_irq, + IRQF_SHARED, dev->name, dev); + if (unlikely(err)) + return err; + + netif_carrier_off(dev); + phy_start(dev->phydev); + + err = toe_resize_freeq(gmac->toe, dev->dev_id); + if (unlikely(err)) + goto err_stop_phy; + + err = gmac_setup_rxq(dev); + if (unlikely(err)) + goto err_stop_phy; + + err = gmac_setup_txqs(dev); + if (unlikely(err)) { + gmac_cleanup_rxq(dev); + goto err_stop_phy; + } + + napi_enable(&gmac->napi); + + gmac_start_dma(gmac); + gmac_enable_irq(dev, 1); + gmac_enable_tx_rx(dev); + netif_tx_start_all_queues(dev); + + hrtimer_init(&gmac->rx_coalesce_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + gmac->rx_coalesce_timer.function = &gmac_coalesce_delay_expired; + return 0; + +err_stop_phy: + phy_stop(dev->phydev); + free_irq(dev->irq, dev); + return err; +} + +static int gmac_stop(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + + hrtimer_cancel(&gmac->rx_coalesce_timer); + netif_tx_stop_all_queues(dev); + gmac_disable_tx_rx(dev); + gmac_stop_dma(gmac); + napi_disable(&gmac->napi); + + gmac_enable_irq(dev, 0); + gmac_cleanup_rxq(dev); + gmac_cleanup_txqs(dev); + + phy_stop(dev->phydev); + free_irq(dev->irq, dev); + + gmac_update_hw_stats(dev); + return 0; +} + +static void gmac_set_rx_mode(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct netdev_hw_addr *ha; + __u32 mc_filter[2]; + unsigned bit_nr; + GMAC_RX_FLTR_T filter = { .bits = { + .broadcast = 1, + .multicast = 1, + .unicast = 1, + } }; + + mc_filter[1] = mc_filter[0] = 0; + + if (dev->flags & IFF_PROMISC) { + filter.bits.error = 1; + filter.bits.promiscuous = 1; + } else if (!(dev->flags & IFF_ALLMULTI)) { + mc_filter[1] = mc_filter[0] = 0; + netdev_for_each_mc_addr(ha, dev) { + bit_nr = ~crc32_le(~0, ha->addr, ETH_ALEN) & 0x3f; + mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 0x1f); + } + } + + writel(mc_filter[0], gmac->ctl_iomem + GMAC_MCAST_FIL0); + writel(mc_filter[1], gmac->ctl_iomem + GMAC_MCAST_FIL1); + writel(filter.bits32, gmac->ctl_iomem + GMAC_RX_FLTR); +} + +static void __gmac_set_mac_address(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + __le32 addr[3]; + + memset(addr, 0, sizeof(addr)); + memcpy(addr, dev->dev_addr, ETH_ALEN); + + writel(le32_to_cpu(addr[0]), gmac->ctl_iomem + GMAC_STA_ADD0); + writel(le32_to_cpu(addr[1]), gmac->ctl_iomem + GMAC_STA_ADD1); + writel(le32_to_cpu(addr[2]), gmac->ctl_iomem + GMAC_STA_ADD2); +} + +static int gmac_set_mac_address(struct net_device *dev, void *addr) +{ + struct sockaddr *sa = addr; + + memcpy(dev->dev_addr, sa->sa_data, ETH_ALEN); + __gmac_set_mac_address(dev); + + return 0; +} + +static void gmac_clear_hw_stats(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + + readl(gmac->ctl_iomem + GMAC_IN_DISCARDS); + readl(gmac->ctl_iomem + GMAC_IN_ERRORS); + readl(gmac->ctl_iomem + GMAC_IN_MCAST); + readl(gmac->ctl_iomem + GMAC_IN_BCAST); + readl(gmac->ctl_iomem + GMAC_IN_MAC1); + readl(gmac->ctl_iomem + GMAC_IN_MAC2); +} + +static struct rtnl_link_stats64 *gmac_get_stats64(struct net_device *dev, + struct rtnl_link_stats64 *storage) +{ + struct gmac_private *gmac = netdev_priv(dev); + unsigned int start; + + gmac_update_hw_stats(dev); + + /* racing with RX NAPI */ + do { + start = u64_stats_fetch_begin(&gmac->rx_stats_syncp); + + storage->rx_packets = gmac->stats.rx_packets; + storage->rx_bytes = gmac->stats.rx_bytes; + storage->rx_errors = gmac->stats.rx_errors; + storage->rx_dropped = gmac->stats.rx_dropped; + + storage->rx_length_errors = gmac->stats.rx_length_errors; + storage->rx_over_errors = gmac->stats.rx_over_errors; + storage->rx_crc_errors = gmac->stats.rx_crc_errors; + storage->rx_frame_errors = gmac->stats.rx_frame_errors; + + } while (u64_stats_fetch_retry(&gmac->rx_stats_syncp, start)); + + /* racing with MIB and TX completion interrupts */ + do { + start = u64_stats_fetch_begin(&gmac->ir_stats_syncp); + + storage->tx_errors = gmac->stats.tx_errors; + storage->tx_packets = gmac->stats.tx_packets; + storage->tx_bytes = gmac->stats.tx_bytes; + + storage->multicast = gmac->stats.multicast; + storage->rx_missed_errors = gmac->stats.rx_missed_errors; + storage->rx_fifo_errors = gmac->stats.rx_fifo_errors; + + } while (u64_stats_fetch_retry(&gmac->ir_stats_syncp, start)); + + /* racing with hard_start_xmit */ + do { + start = u64_stats_fetch_begin(&gmac->tx_stats_syncp); + + storage->tx_dropped = gmac->stats.tx_dropped; + + } while (u64_stats_fetch_retry(&gmac->tx_stats_syncp, start)); + + storage->rx_dropped += storage->rx_missed_errors; + + return storage; +} + +static int gmac_change_mtu(struct net_device *dev, int new_mtu) +{ + int max_len = gmac_pick_rx_max_len(new_mtu); + + if (max_len < 0) + return -EINVAL; + + gmac_disable_tx_rx(dev); + + dev->mtu = new_mtu; + gmac_update_config0_reg(dev, + max_len << CONFIG0_MAXLEN_SHIFT, + CONFIG0_MAXLEN_MASK); + + netdev_update_features(dev); + + gmac_enable_tx_rx(dev); + + return 0; +} + +static netdev_features_t gmac_fix_features(struct net_device *dev, netdev_features_t features) +{ + if (dev->mtu + ETH_HLEN + VLAN_HLEN > MTU_SIZE_BIT_MASK) + features &= ~GMAC_OFFLOAD_FEATURES; + + return features; +} + +static int gmac_set_features(struct net_device *dev, netdev_features_t features) +{ + struct gmac_private *gmac = netdev_priv(dev); + int enable = features & NETIF_F_RXCSUM; + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&gmac->config_lock, flags); + + reg = readl(gmac->ctl_iomem + GMAC_CONFIG0); + reg = enable ? reg | CONFIG0_RX_CHKSUM : reg & ~CONFIG0_RX_CHKSUM; + writel(reg, gmac->ctl_iomem + GMAC_CONFIG0); + + spin_unlock_irqrestore(&gmac->config_lock, flags); + return 0; +} + +static int gmac_get_sset_count(struct net_device *dev, int sset) +{ + return sset == ETH_SS_STATS ? GMAC_STATS_NUM : 0; +} + +static void gmac_get_strings(struct net_device *dev, u32 stringset, u8 *data) +{ + if (stringset != ETH_SS_STATS) + return; + + memcpy(data, gmac_stats_strings, sizeof(gmac_stats_strings)); +} + +static void gmac_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *estats, u64 *values) +{ + struct gmac_private *gmac = netdev_priv(dev); + unsigned int start; + u64 *p; + int i; + + gmac_update_hw_stats(dev); + + /* racing with MIB interrupt */ + do { + p = values; + start = u64_stats_fetch_begin(&gmac->ir_stats_syncp); + + for (i = 0; i < RX_STATS_NUM; ++i) + *p++ = gmac->hw_stats[i]; + + } while (u64_stats_fetch_retry(&gmac->ir_stats_syncp, start)); + values = p; + + /* racing with RX NAPI */ + do { + p = values; + start = u64_stats_fetch_begin(&gmac->rx_stats_syncp); + + for (i = 0; i < RX_STATUS_NUM; ++i) + *p++ = gmac->rx_stats[i]; + for (i = 0; i < RX_CHKSUM_NUM; ++i) + *p++ = gmac->rx_csum_stats[i]; + *p++ = gmac->rx_napi_exits; + + } while (u64_stats_fetch_retry(&gmac->rx_stats_syncp, start)); + values = p; + + /* racing with TX start_xmit */ + do { + p = values; + start = u64_stats_fetch_begin(&gmac->tx_stats_syncp); + + for (i = 0; i < TX_MAX_FRAGS; ++i) { + *values++ = gmac->tx_frag_stats[i]; + gmac->tx_frag_stats[i] = 0; + } + *values++ = gmac->tx_frags_linearized; + *values++ = gmac->tx_hw_csummed; + + } while (u64_stats_fetch_retry(&gmac->tx_stats_syncp, start)); +} + +static int gmac_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + if (!dev->phydev) + return -ENXIO; + return phy_ethtool_gset(dev->phydev, cmd); +} + +static int gmac_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + if (!dev->phydev) + return -ENXIO; + return phy_ethtool_sset(dev->phydev, cmd); +} + +static int gmac_nway_reset(struct net_device *dev) +{ + if (!dev->phydev) + return -ENXIO; + return phy_start_aneg(dev->phydev); +} + +static void gmac_get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pparam) +{ + struct gmac_private *gmac = netdev_priv(dev); + GMAC_CONFIG0_T config0; + + config0.bits32 = readl(gmac->ctl_iomem + GMAC_CONFIG0); + + pparam->rx_pause = config0.bits.rx_fc_en; + pparam->tx_pause = config0.bits.tx_fc_en; + pparam->autoneg = true; +} + +static void gmac_get_ringparam(struct net_device *dev, + struct ethtool_ringparam *rp) +{ + struct gmac_private *gmac = netdev_priv(dev); + GMAC_CONFIG0_T config0; + + config0.bits32 = readl(gmac->ctl_iomem + GMAC_CONFIG0); + + rp->rx_max_pending = 1 << 15; + rp->rx_mini_max_pending = 0; + rp->rx_jumbo_max_pending = 0; + rp->tx_max_pending = 1 << 15; + + rp->rx_pending = 1 << gmac->rxq_order; + rp->rx_mini_pending = 0; + rp->rx_jumbo_pending = 0; + rp->tx_pending = 1 << gmac->txq_order; +} + +static int toe_resize_freeq(struct toe_private *toe, int changing_dev_id); + +static int gmac_set_ringparam(struct net_device *dev, + struct ethtool_ringparam *rp) +{ + struct gmac_private *gmac = netdev_priv(dev); + struct toe_private *toe = gmac->toe; + int err = 0; + + if (netif_running(dev)) + return -EBUSY; + + if (rp->rx_pending) { + gmac->rxq_order = min(15, ilog2(rp->rx_pending - 1) + 1); + err = toe_resize_freeq(toe, dev->dev_id); + } + + if (rp->tx_pending) + { + gmac->txq_order = min(15, ilog2(rp->tx_pending - 1) + 1); + gmac->irq_every_tx_packets = 1 << (gmac->txq_order - 2); + } + + return err; +} + +static int gmac_get_coalesce(struct net_device *dev, + struct ethtool_coalesce *ecmd) +{ + struct gmac_private *gmac = netdev_priv(dev); + + ecmd->rx_max_coalesced_frames = 1; + ecmd->tx_max_coalesced_frames = gmac->irq_every_tx_packets; + ecmd->rx_coalesce_usecs = gmac->rx_coalesce_nsecs/1000; + + return 0; +} + +static int gmac_set_coalesce(struct net_device *dev, + struct ethtool_coalesce *ecmd) +{ + struct gmac_private *gmac = netdev_priv(dev); + + if (ecmd->tx_max_coalesced_frames < 1) + return -EINVAL; + if (ecmd->tx_max_coalesced_frames >= 1 << gmac->txq_order) + return -EINVAL; + + gmac->irq_every_tx_packets = ecmd->tx_max_coalesced_frames; + gmac->rx_coalesce_nsecs = ecmd->rx_coalesce_usecs * 1000; + + return 0; +} + +static u32 gmac_get_msglevel(struct net_device *dev) +{ + struct gmac_private *gmac = netdev_priv(dev); + return gmac->msg_enable; +} + +static void gmac_set_msglevel(struct net_device *dev, u32 level) +{ + struct gmac_private *gmac = netdev_priv(dev); + gmac->msg_enable = level; +} + +static void gmac_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + strcpy(info->driver, DRV_NAME); + strcpy(info->version, DRV_VERSION); + strcpy(info->bus_info, dev->dev_id ? "1" : "0"); +} + +static const struct net_device_ops gmac_351x_ops = { + .ndo_init = gmac_init, + .ndo_uninit = gmac_uninit, + .ndo_open = gmac_open, + .ndo_stop = gmac_stop, + .ndo_start_xmit = gmac_start_xmit, + .ndo_tx_timeout = gmac_tx_timeout, + .ndo_set_rx_mode = gmac_set_rx_mode, + .ndo_set_mac_address = gmac_set_mac_address, + .ndo_get_stats64 = gmac_get_stats64, + .ndo_change_mtu = gmac_change_mtu, + .ndo_fix_features = gmac_fix_features, + .ndo_set_features = gmac_set_features, +}; + +static const struct ethtool_ops gmac_351x_ethtool_ops = { + .get_sset_count = gmac_get_sset_count, + .get_strings = gmac_get_strings, + .get_ethtool_stats = gmac_get_ethtool_stats, + .get_settings = gmac_get_settings, + .set_settings = gmac_set_settings, + .get_link = ethtool_op_get_link, + .nway_reset = gmac_nway_reset, + .get_pauseparam = gmac_get_pauseparam, + .get_ringparam = gmac_get_ringparam, + .set_ringparam = gmac_set_ringparam, + .get_coalesce = gmac_get_coalesce, + .set_coalesce = gmac_set_coalesce, + .get_msglevel = gmac_get_msglevel, + .set_msglevel = gmac_set_msglevel, + .get_drvinfo = gmac_get_drvinfo, +}; + +static int gmac_init_netdev(struct toe_private *toe, int num, + struct platform_device *pdev) +{ + struct gemini_gmac_platform_data *pdata = pdev->dev.platform_data; + struct gmac_private *gmac; + struct net_device *dev; + int irq, err; + + if (!pdata->bus_id[num]) + return 0; + + irq = platform_get_irq(pdev, num); + if (irq < 0) { + dev_err(toe->dev, "No IRQ for ethernet device #%d\n", num); + return irq; + } + + dev = alloc_etherdev_mq(sizeof(*gmac), TX_QUEUE_NUM); + if (!dev) { + dev_err(toe->dev, "Can't allocate ethernet device #%d\n", num); + return -ENOMEM; + } + + gmac = netdev_priv(dev); + gmac->num = num; + gmac->toe = toe; + SET_NETDEV_DEV(dev, toe->dev); + + toe->netdev[num] = dev; + dev->dev_id = num; + + gmac->ctl_iomem = toe->iomem + TOE_GMAC_BASE(num); + gmac->dma_iomem = toe->iomem + TOE_GMAC_DMA_BASE(num); + dev->irq = irq; + + dev->netdev_ops = &gmac_351x_ops; + dev->ethtool_ops = &gmac_351x_ethtool_ops; + + spin_lock_init(&gmac->config_lock); + gmac_clear_hw_stats(dev); + + dev->hw_features = GMAC_OFFLOAD_FEATURES; + dev->features |= GMAC_OFFLOAD_FEATURES | NETIF_F_GRO; + + gmac->freeq_refill = 0; + netif_napi_add(dev, &gmac->napi, gmac_napi_poll, DEFAULT_NAPI_WEIGHT); + + if (is_valid_ether_addr((void *)toe->mac_addr[num])) + memcpy(dev->dev_addr, toe->mac_addr[num], ETH_ALEN); + else + random_ether_addr(dev->dev_addr); + __gmac_set_mac_address(dev); + + err = gmac_setup_phy(dev); + if (err) + netif_warn(gmac, probe, dev, + "PHY init failed: %d, deferring to ifup time\n", err); + + err = register_netdev(dev); + if (!err) + { + pr_info(DRV_NAME " %s: irq %d, dma base 0x%p, io base 0x%p\n", + dev->name, irq, gmac->dma_iomem, gmac->ctl_iomem); + return 0; + } + + toe->netdev[num] = NULL; + free_netdev(dev); + return err; +} + +static irqreturn_t toe_irq_thread(int irq, void *data) +{ + struct toe_private *toe = data; + void __iomem *irqen_reg = toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG; + void __iomem *irqif_reg = toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG; + unsigned long irqmask = SWFQ_EMPTY_INT_BIT; + unsigned long flags; + + toe_fill_freeq(toe, 0); + + /* Ack and enable interrupt */ + spin_lock_irqsave(&toe->irq_lock, flags); + writel(irqmask, irqif_reg); + irqmask |= readl(irqen_reg); + writel(irqmask, irqen_reg); + spin_unlock_irqrestore(&toe->irq_lock, flags); + + return IRQ_HANDLED; +} + +static irqreturn_t toe_irq(int irq, void *data) +{ + struct toe_private *toe = data; + void __iomem *irqif_reg = toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG; + void __iomem *irqen_reg = toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG; + unsigned long val, en; + irqreturn_t ret = IRQ_NONE; + + spin_lock(&toe->irq_lock); + + val = readl(irqif_reg); + en = readl(irqen_reg); + + if (val & en & SWFQ_EMPTY_INT_BIT) { + en &= ~(SWFQ_EMPTY_INT_BIT | GMAC0_RX_OVERRUN_INT_BIT + | GMAC1_RX_OVERRUN_INT_BIT); + writel(en, irqen_reg); + ret = IRQ_WAKE_THREAD; + } + + spin_unlock(&toe->irq_lock); + return ret; +} + +static int toe_init(struct toe_private *toe, + struct platform_device *pdev) +{ + int err; + + writel(0, toe->iomem + GLOBAL_SW_FREEQ_BASE_SIZE_REG); + writel(0, toe->iomem + GLOBAL_HW_FREEQ_BASE_SIZE_REG); + writel(0, toe->iomem + GLOBAL_SWFQ_RWPTR_REG); + writel(0, toe->iomem + GLOBAL_HWFQ_RWPTR_REG); + + toe->freeq_frag_order = DEFAULT_RX_BUF_ORDER; + toe->freeq_order = ~0; + + err = request_threaded_irq(toe->irq, toe_irq, + toe_irq_thread, IRQF_SHARED, DRV_NAME " toe", toe); + if (err) + goto err_freeq; + + return 0; + +err_freeq: + toe_cleanup_freeq(toe); + return err; +} + +static void toe_deinit(struct toe_private *toe) +{ + free_irq(toe->irq, toe); + toe_cleanup_freeq(toe); +} + +static int toe_reset(struct toe_private *toe) +{ + unsigned int reg = 0, retry = 5; + + reg = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + + GLOBAL_RESET)); + reg |= RESET_GMAC1 | RESET_GMAC0; + writel(reg, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + + GLOBAL_RESET)); + + do { + udelay(2); + reg = readl((void __iomem*)(toe->iomem + + GLOBAL_TOE_VERSION_REG)); + barrier(); + } while (!reg && --retry); + + return reg ? 0 : -EIO; +} + +/* + * Interrupt config: + * + * GMAC0 intr bits ------> int0 ----> eth0 + * GMAC1 intr bits ------> int1 ----> eth1 + * TOE intr -------------> int1 ----> eth1 + * Classification Intr --> int0 ----> eth0 + * Default Q0 -----------> int0 ----> eth0 + * Default Q1 -----------> int1 ----> eth1 + * FreeQ intr -----------> int1 ----> eth1 + */ +static void toe_init_irq(struct toe_private *toe) +{ + writel(0, toe->iomem + GLOBAL_INTERRUPT_ENABLE_0_REG); + writel(0, toe->iomem + GLOBAL_INTERRUPT_ENABLE_1_REG); + writel(0, toe->iomem + GLOBAL_INTERRUPT_ENABLE_2_REG); + writel(0, toe->iomem + GLOBAL_INTERRUPT_ENABLE_3_REG); + writel(0, toe->iomem + GLOBAL_INTERRUPT_ENABLE_4_REG); + + writel(0xCCFC0FC0, toe->iomem + GLOBAL_INTERRUPT_SELECT_0_REG); + writel(0x00F00002, toe->iomem + GLOBAL_INTERRUPT_SELECT_1_REG); + writel(0xFFFFFFFF, toe->iomem + GLOBAL_INTERRUPT_SELECT_2_REG); + writel(0xFFFFFFFF, toe->iomem + GLOBAL_INTERRUPT_SELECT_3_REG); + writel(0xFF000003, toe->iomem + GLOBAL_INTERRUPT_SELECT_4_REG); + + /* edge-triggered interrupts packed to level-triggered one... */ + writel(~0, toe->iomem + GLOBAL_INTERRUPT_STATUS_0_REG); + writel(~0, toe->iomem + GLOBAL_INTERRUPT_STATUS_1_REG); + writel(~0, toe->iomem + GLOBAL_INTERRUPT_STATUS_2_REG); + writel(~0, toe->iomem + GLOBAL_INTERRUPT_STATUS_3_REG); + writel(~0, toe->iomem + GLOBAL_INTERRUPT_STATUS_4_REG); +} + +static void toe_save_mac_addr(struct toe_private *toe, + struct platform_device *pdev) +{ + struct gemini_gmac_platform_data *pdata = pdev->dev.platform_data; + void __iomem *ctl; + int i; + + for (i = 0; i < 2; i++) { + if (pdata->bus_id[i]) { + ctl = toe->iomem + TOE_GMAC_BASE(i); + toe->mac_addr[i][0] = cpu_to_le32(readl(ctl + GMAC_STA_ADD0)); + toe->mac_addr[i][1] = cpu_to_le32(readl(ctl + GMAC_STA_ADD1)); + toe->mac_addr[i][2] = cpu_to_le32(readl(ctl + GMAC_STA_ADD2)); + } + } +} + +static int gemini_gmac_probe(struct platform_device *pdev) +{ + struct resource *res; + struct toe_private *toe; + int irq, retval; + + if (!pdev->dev.platform_data) + return -EINVAL; + + irq = platform_get_irq(pdev, 1); + if (irq < 0) + return irq; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "can't get device resources\n"); + return -ENODEV; + } + + toe = kzalloc(sizeof(*toe), GFP_KERNEL); + if (!toe) + return -ENOMEM; + + platform_set_drvdata(pdev, toe); + toe->dev = &pdev->dev; + toe->irq = irq; + + toe->iomem = ioremap(res->start, resource_size(res)); + if (!toe->iomem) { + dev_err(toe->dev, "ioremap failed\n"); + retval = -EIO; + goto err_data; + } + + toe_save_mac_addr(toe, pdev); + + retval = toe_reset(toe); + if (retval < 0) + goto err_unmap; + + pr_info(DRV_NAME " toe: irq %d, io base 0x%08x, version %d\n", + irq, res->start, retval); + + spin_lock_init(&toe->irq_lock); + spin_lock_init(&toe->freeq_lock); + + toe_init_irq(toe); + + retval = toe_init(toe, pdev); + if (retval) + goto err_unmap; + + retval = gmac_init_netdev(toe, 0, pdev); + if (retval) + goto err_uninit; + + retval = gmac_init_netdev(toe, 1, pdev); + if (retval) + goto err_uninit; + + return 0; + +err_uninit: + if (toe->netdev[0]) + unregister_netdev(toe->netdev[0]); + toe_deinit(toe); +err_unmap: + iounmap(toe->iomem); +err_data: + kfree(toe); + return retval; +} + +static int gemini_gmac_remove(struct platform_device *pdev) +{ + struct toe_private *toe = platform_get_drvdata(pdev); + int i; + + for (i = 0; i < 2; i++) + if (toe->netdev[i]) + unregister_netdev(toe->netdev[i]); + + toe_init_irq(toe); + toe_deinit(toe); + + iounmap(toe->iomem); + kfree(toe); + + return 0; +} + +static struct platform_driver gemini_gmac_driver = { + .probe = gemini_gmac_probe, + .remove = gemini_gmac_remove, + .driver.name = DRV_NAME, + .driver.owner = THIS_MODULE, +}; + +static int __init gemini_gmac_init(void) +{ +#ifdef CONFIG_MDIO_GPIO_MODULE + request_module("mdio-gpio"); +#endif + return platform_driver_register(&gemini_gmac_driver); +} + +static void __exit gemini_gmac_exit(void) +{ + platform_driver_unregister(&gemini_gmac_driver); +} + +module_init(gemini_gmac_init); +module_exit(gemini_gmac_exit); diff --git a/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/sl351x_hw.h b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/sl351x_hw.h new file mode 100644 index 0000000000..f7bff5ace2 --- /dev/null +++ b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/sl351x_hw.h @@ -0,0 +1,1436 @@ +/* + * Register definitions for Gemini LEPUS GMAC Ethernet device driver. + * + * Copyright (C) 2006, Storlink, Corp. + * Copyright (C) 2008-2009, Paulius Zaleckas + * Copyright (C) 2010, Michał Mirosław + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#ifndef _GMAC_HW_H +#define _GMAC_HW_H + +#include + +/* + * Base Registers + */ +#define TOE_NONTOE_QUE_HDR_BASE 0x2000 +#define TOE_TOE_QUE_HDR_BASE 0x3000 +#define TOE_V_BIT_BASE 0x4000 +#define TOE_A_BIT_BASE 0x6000 +#define TOE_GMAC_DMA_BASE(x) (0x8000 + 0x4000 * (x)) +#define TOE_GMAC_BASE(x) (0xA000 + 0x4000 * (x)) + +/* + * Queue ID + */ +#define TOE_SW_FREE_QID 0x00 +#define TOE_HW_FREE_QID 0x01 +#define TOE_GMAC0_SW_TXQ0_QID 0x02 +#define TOE_GMAC0_SW_TXQ1_QID 0x03 +#define TOE_GMAC0_SW_TXQ2_QID 0x04 +#define TOE_GMAC0_SW_TXQ3_QID 0x05 +#define TOE_GMAC0_SW_TXQ4_QID 0x06 +#define TOE_GMAC0_SW_TXQ5_QID 0x07 +#define TOE_GMAC0_HW_TXQ0_QID 0x08 +#define TOE_GMAC0_HW_TXQ1_QID 0x09 +#define TOE_GMAC0_HW_TXQ2_QID 0x0A +#define TOE_GMAC0_HW_TXQ3_QID 0x0B +#define TOE_GMAC1_SW_TXQ0_QID 0x12 +#define TOE_GMAC1_SW_TXQ1_QID 0x13 +#define TOE_GMAC1_SW_TXQ2_QID 0x14 +#define TOE_GMAC1_SW_TXQ3_QID 0x15 +#define TOE_GMAC1_SW_TXQ4_QID 0x16 +#define TOE_GMAC1_SW_TXQ5_QID 0x17 +#define TOE_GMAC1_HW_TXQ0_QID 0x18 +#define TOE_GMAC1_HW_TXQ1_QID 0x19 +#define TOE_GMAC1_HW_TXQ2_QID 0x1A +#define TOE_GMAC1_HW_TXQ3_QID 0x1B +#define TOE_GMAC0_DEFAULT_QID 0x20 +#define TOE_GMAC1_DEFAULT_QID 0x21 +#define TOE_CLASSIFICATION_QID(x) (0x22 + x) /* 0x22 ~ 0x2F */ +#define TOE_TOE_QID(x) (0x40 + x) /* 0x40 ~ 0x7F */ + +/* + * old info: + * TOE DMA Queue Size should be 2^n, n = 6...12 + * TOE DMA Queues are the following queue types: + * SW Free Queue, HW Free Queue, + * GMAC 0/1 SW TX Q0-5, and GMAC 0/1 HW TX Q0-5 + * The base address and descriptor number are configured at + * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004) + */ + +#define GET_WPTR(addr) __raw_readw((addr) + 2) +#define GET_RPTR(addr) __raw_readw((addr)) +#define SET_WPTR(addr, data) __raw_writew((data), (addr) + 2) +#define SET_RPTR(addr, data) __raw_writew((data), (addr)) +#define __RWPTR_NEXT(x, mask) (((unsigned int)(x) + 1) & (mask)) +#define __RWPTR_PREV(x, mask) (((unsigned int)(x) - 1) & (mask)) +#define __RWPTR_DISTANCE(r, w, mask) (((unsigned int)(w) - (r)) & (mask)) +#define __RWPTR_MASK(order) ((1 << (order)) - 1) +#define RWPTR_NEXT(x, order) __RWPTR_NEXT((x), __RWPTR_MASK((order))) +#define RWPTR_PREV(x, order) __RWPTR_PREV((x), __RWPTR_MASK((order))) +#define RWPTR_DISTANCE(r, w, order) __RWPTR_DISTANCE((r), (w), \ + __RWPTR_MASK((order))) + +/* + * Global registers + * #define TOE_GLOBAL_BASE (TOE_BASE + 0x0000) + * Base 0x60000000 + */ +#define GLOBAL_TOE_VERSION_REG 0x0000 +#define GLOBAL_SW_FREEQ_BASE_SIZE_REG 0x0004 +#define GLOBAL_HW_FREEQ_BASE_SIZE_REG 0x0008 +#define GLOBAL_DMA_SKB_SIZE_REG 0x0010 +#define GLOBAL_SWFQ_RWPTR_REG 0x0014 +#define GLOBAL_HWFQ_RWPTR_REG 0x0018 +#define GLOBAL_INTERRUPT_STATUS_0_REG 0x0020 +#define GLOBAL_INTERRUPT_ENABLE_0_REG 0x0024 +#define GLOBAL_INTERRUPT_SELECT_0_REG 0x0028 +#define GLOBAL_INTERRUPT_STATUS_1_REG 0x0030 +#define GLOBAL_INTERRUPT_ENABLE_1_REG 0x0034 +#define GLOBAL_INTERRUPT_SELECT_1_REG 0x0038 +#define GLOBAL_INTERRUPT_STATUS_2_REG 0x0040 +#define GLOBAL_INTERRUPT_ENABLE_2_REG 0x0044 +#define GLOBAL_INTERRUPT_SELECT_2_REG 0x0048 +#define GLOBAL_INTERRUPT_STATUS_3_REG 0x0050 +#define GLOBAL_INTERRUPT_ENABLE_3_REG 0x0054 +#define GLOBAL_INTERRUPT_SELECT_3_REG 0x0058 +#define GLOBAL_INTERRUPT_STATUS_4_REG 0x0060 +#define GLOBAL_INTERRUPT_ENABLE_4_REG 0x0064 +#define GLOBAL_INTERRUPT_SELECT_4_REG 0x0068 +#define GLOBAL_HASH_TABLE_BASE_REG 0x006C +#define GLOBAL_QUEUE_THRESHOLD_REG 0x0070 + +/* + * GMAC 0/1 DMA/TOE register + * #define TOE_GMAC0_DMA_BASE (TOE_BASE + 0x8000) + * #define TOE_GMAC1_DMA_BASE (TOE_BASE + 0xC000) + * Base 0x60008000 or 0x6000C000 + */ +#define GMAC_DMA_CTRL_REG 0x0000 +#define GMAC_TX_WEIGHTING_CTRL_0_REG 0x0004 +#define GMAC_TX_WEIGHTING_CTRL_1_REG 0x0008 +#define GMAC_SW_TX_QUEUE0_PTR_REG 0x000C +#define GMAC_SW_TX_QUEUE1_PTR_REG 0x0010 +#define GMAC_SW_TX_QUEUE2_PTR_REG 0x0014 +#define GMAC_SW_TX_QUEUE3_PTR_REG 0x0018 +#define GMAC_SW_TX_QUEUE4_PTR_REG 0x001C +#define GMAC_SW_TX_QUEUE5_PTR_REG 0x0020 +#define GMAC_SW_TX_QUEUE_PTR_REG(i) (GMAC_SW_TX_QUEUE0_PTR_REG + 4 * (i)) +#define GMAC_HW_TX_QUEUE0_PTR_REG 0x0024 +#define GMAC_HW_TX_QUEUE1_PTR_REG 0x0028 +#define GMAC_HW_TX_QUEUE2_PTR_REG 0x002C +#define GMAC_HW_TX_QUEUE3_PTR_REG 0x0030 +#define GMAC_HW_TX_QUEUE_PTR_REG(i) (GMAC_HW_TX_QUEUE0_PTR_REG + 4 * (i)) +#define GMAC_DMA_TX_FIRST_DESC_REG 0x0038 +#define GMAC_DMA_TX_CURR_DESC_REG 0x003C +#define GMAC_DMA_TX_DESC_WORD0_REG 0x0040 +#define GMAC_DMA_TX_DESC_WORD1_REG 0x0044 +#define GMAC_DMA_TX_DESC_WORD2_REG 0x0048 +#define GMAC_DMA_TX_DESC_WORD3_REG 0x004C +#define GMAC_SW_TX_QUEUE_BASE_REG 0x0050 +#define GMAC_HW_TX_QUEUE_BASE_REG 0x0054 +#define GMAC_DMA_RX_FIRST_DESC_REG 0x0058 +#define GMAC_DMA_RX_CURR_DESC_REG 0x005C +#define GMAC_DMA_RX_DESC_WORD0_REG 0x0060 +#define GMAC_DMA_RX_DESC_WORD1_REG 0x0064 +#define GMAC_DMA_RX_DESC_WORD2_REG 0x0068 +#define GMAC_DMA_RX_DESC_WORD3_REG 0x006C +#define GMAC_HASH_ENGINE_REG0 0x0070 +#define GMAC_HASH_ENGINE_REG1 0x0074 +/* matching rule 0 Control register 0 */ +#define GMAC_MR0CR0 0x0078 +#define GMAC_MR0CR1 0x007C +#define GMAC_MR0CR2 0x0080 +#define GMAC_MR1CR0 0x0084 +#define GMAC_MR1CR1 0x0088 +#define GMAC_MR1CR2 0x008C +#define GMAC_MR2CR0 0x0090 +#define GMAC_MR2CR1 0x0094 +#define GMAC_MR2CR2 0x0098 +#define GMAC_MR3CR0 0x009C +#define GMAC_MR3CR1 0x00A0 +#define GMAC_MR3CR2 0x00A4 +/* Support Protocol Regsister 0 */ +#define GMAC_SPR0 0x00A8 +#define GMAC_SPR1 0x00AC +#define GMAC_SPR2 0x00B0 +#define GMAC_SPR3 0x00B4 +#define GMAC_SPR4 0x00B8 +#define GMAC_SPR5 0x00BC +#define GMAC_SPR6 0x00C0 +#define GMAC_SPR7 0x00C4 +/* GMAC Hash/Rx/Tx AHB Weighting register */ +#define GMAC_AHB_WEIGHT_REG 0x00C8 + +/* + * TOE GMAC 0/1 register + * #define TOE_GMAC0_BASE (TOE_BASE + 0xA000) + * #define TOE_GMAC1_BASE (TOE_BASE + 0xE000) + * Base 0x6000A000 or 0x6000E000 + */ +enum GMAC_REGISTER { + GMAC_STA_ADD0 = 0x0000, + GMAC_STA_ADD1 = 0x0004, + GMAC_STA_ADD2 = 0x0008, + GMAC_RX_FLTR = 0x000c, + GMAC_MCAST_FIL0 = 0x0010, + GMAC_MCAST_FIL1 = 0x0014, + GMAC_CONFIG0 = 0x0018, + GMAC_CONFIG1 = 0x001c, + GMAC_CONFIG2 = 0x0020, + GMAC_CONFIG3 = 0x0024, + GMAC_RESERVED = 0x0028, + GMAC_STATUS = 0x002c, + GMAC_IN_DISCARDS= 0x0030, + GMAC_IN_ERRORS = 0x0034, + GMAC_IN_MCAST = 0x0038, + GMAC_IN_BCAST = 0x003c, + GMAC_IN_MAC1 = 0x0040, /* for STA 1 MAC Address */ + GMAC_IN_MAC2 = 0x0044 /* for STA 2 MAC Address */ +}; + +#define RX_STATS_NUM 6 + +/* + * DMA Queues description Ring Base Address/Size Register (offset 0x0004) + */ +typedef union { + unsigned int bits32; + unsigned int base_size; +} DMA_Q_BASE_SIZE_T; +#define DMA_Q_BASE_MASK (~0x0f) + +/* + * DMA SKB Buffer register (offset 0x0008) + */ +typedef union { + unsigned int bits32; + struct bit_0008 { + unsigned int sw_skb_size : 16; /* SW Free poll SKB Size */ + unsigned int hw_skb_size : 16; /* HW Free poll SKB Size */ + } bits; +} DMA_SKB_SIZE_T; + +/* + * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C) + */ +typedef union { + unsigned int bits32; + struct bit_000c { + unsigned int rptr : 16; /* Read Ptr, RO */ + unsigned int wptr : 16; /* Write Ptr, RW */ + } bits; +} DMA_RWPTR_T; + +/* + * DMA HW Free Queue Read/Write Pointer Register (offset 0x0010) + * see DMA_RWPTR_T structure + */ + +/* + * Interrupt Status Register 0 (offset 0x0020) + * Interrupt Mask Register 0 (offset 0x0024) + * Interrupt Select Register 0 (offset 0x0028) + */ +typedef union { + unsigned int bits32; + struct bit_0020 { + /* GMAC0 SW Tx Queue 0 EOF Interrupt */ + unsigned int swtq00_eof : 1; + unsigned int swtq01_eof : 1; + unsigned int swtq02_eof : 1; + unsigned int swtq03_eof : 1; + unsigned int swtq04_eof : 1; + unsigned int swtq05_eof : 1; + /* GMAC1 SW Tx Queue 0 EOF Interrupt */ + unsigned int swtq10_eof : 1; + unsigned int swtq11_eof : 1; + unsigned int swtq12_eof : 1; + unsigned int swtq13_eof : 1; + unsigned int swtq14_eof : 1; + unsigned int swtq15_eof : 1; + /* GMAC0 SW Tx Queue 0 Finish Interrupt */ + unsigned int swtq00_fin : 1; + unsigned int swtq01_fin : 1; + unsigned int swtq02_fin : 1; + unsigned int swtq03_fin : 1; + unsigned int swtq04_fin : 1; + unsigned int swtq05_fin : 1; + /* GMAC1 SW Tx Queue 0 Finish Interrupt */ + unsigned int swtq10_fin : 1; + unsigned int swtq11_fin : 1; + unsigned int swtq12_fin : 1; + unsigned int swtq13_fin : 1; + unsigned int swtq14_fin : 1; + unsigned int swtq15_fin : 1; + /* GMAC0 Rx Descriptor Protocol Error */ + unsigned int rxPerr0 : 1; + /* GMAC0 AHB Bus Error while Rx */ + unsigned int rxDerr0 : 1; + /* GMAC1 Rx Descriptor Protocol Error */ + unsigned int rxPerr1 : 1; + /* GMAC1 AHB Bus Error while Rx */ + unsigned int rxDerr1 : 1; + /* GMAC0 Tx Descriptor Protocol Error */ + unsigned int txPerr0 : 1; + /* GMAC0 AHB Bus Error while Tx */ + unsigned int txDerr0 : 1; + /* GMAC1 Tx Descriptor Protocol Error */ + unsigned int txPerr1 : 1; + /* GMAC1 AHB Bus Error while Tx */ + unsigned int txDerr1 : 1; + } bits; +} INTR_REG0_T; + +#define GMAC1_TXDERR_INT_BIT BIT(31) +#define GMAC1_TXPERR_INT_BIT BIT(30) +#define GMAC0_TXDERR_INT_BIT BIT(29) +#define GMAC0_TXPERR_INT_BIT BIT(28) +#define GMAC1_RXDERR_INT_BIT BIT(27) +#define GMAC1_RXPERR_INT_BIT BIT(26) +#define GMAC0_RXDERR_INT_BIT BIT(25) +#define GMAC0_RXPERR_INT_BIT BIT(24) +#define GMAC1_SWTQ15_FIN_INT_BIT BIT(23) +#define GMAC1_SWTQ14_FIN_INT_BIT BIT(22) +#define GMAC1_SWTQ13_FIN_INT_BIT BIT(21) +#define GMAC1_SWTQ12_FIN_INT_BIT BIT(20) +#define GMAC1_SWTQ11_FIN_INT_BIT BIT(19) +#define GMAC1_SWTQ10_FIN_INT_BIT BIT(18) +#define GMAC0_SWTQ05_FIN_INT_BIT BIT(17) +#define GMAC0_SWTQ04_FIN_INT_BIT BIT(16) +#define GMAC0_SWTQ03_FIN_INT_BIT BIT(15) +#define GMAC0_SWTQ02_FIN_INT_BIT BIT(14) +#define GMAC0_SWTQ01_FIN_INT_BIT BIT(13) +#define GMAC0_SWTQ00_FIN_INT_BIT BIT(12) +#define GMAC1_SWTQ15_EOF_INT_BIT BIT(11) +#define GMAC1_SWTQ14_EOF_INT_BIT BIT(10) +#define GMAC1_SWTQ13_EOF_INT_BIT BIT(9) +#define GMAC1_SWTQ12_EOF_INT_BIT BIT(8) +#define GMAC1_SWTQ11_EOF_INT_BIT BIT(7) +#define GMAC1_SWTQ10_EOF_INT_BIT BIT(6) +#define GMAC0_SWTQ05_EOF_INT_BIT BIT(5) +#define GMAC0_SWTQ04_EOF_INT_BIT BIT(4) +#define GMAC0_SWTQ03_EOF_INT_BIT BIT(3) +#define GMAC0_SWTQ02_EOF_INT_BIT BIT(2) +#define GMAC0_SWTQ01_EOF_INT_BIT BIT(1) +#define GMAC0_SWTQ00_EOF_INT_BIT BIT(0) + +/* + * Interrupt Status Register 1 (offset 0x0030) + * Interrupt Mask Register 1 (offset 0x0034) + * Interrupt Select Register 1 (offset 0x0038) + */ +typedef union { + unsigned int bits32; + struct bit_0030 { + unsigned int default_q0_eof : 1; /* Default Queue 0 EOF Interrupt */ + unsigned int default_q1_eof : 1; /* Default Queue 1 EOF Interrupt */ + unsigned int class_rx : 14; /* Classification Queue Rx Interrupt */ + unsigned int hwtq00_eof : 1; /* GMAC0 HW Tx Queue0 EOF Interrupt */ + unsigned int hwtq01_eof : 1; /* GMAC0 HW Tx Queue1 EOF Interrupt */ + unsigned int hwtq02_eof : 1; /* GMAC0 HW Tx Queue2 EOF Interrupt */ + unsigned int hwtq03_eof : 1; /* GMAC0 HW Tx Queue3 EOF Interrupt */ + unsigned int hwtq10_eof : 1; /* GMAC1 HW Tx Queue0 EOF Interrupt */ + unsigned int hwtq11_eof : 1; /* GMAC1 HW Tx Queue1 EOF Interrupt */ + unsigned int hwtq12_eof : 1; /* GMAC1 HW Tx Queue2 EOF Interrupt */ + unsigned int hwtq13_eof : 1; /* GMAC1 HW Tx Queue3 EOF Interrupt */ + unsigned int toe_iq0_intr : 1; /* TOE Interrupt Queue 0 with Interrupts */ + unsigned int toe_iq1_intr : 1; /* TOE Interrupt Queue 1 with Interrupts */ + unsigned int toe_iq2_intr : 1; /* TOE Interrupt Queue 2 with Interrupts */ + unsigned int toe_iq3_intr : 1; /* TOE Interrupt Queue 3 with Interrupts */ + unsigned int toe_iq0_full : 1; /* TOE Interrupt Queue 0 Full Interrupt */ + unsigned int toe_iq1_full : 1; /* TOE Interrupt Queue 1 Full Interrupt */ + unsigned int toe_iq2_full : 1; /* TOE Interrupt Queue 2 Full Interrupt */ + unsigned int toe_iq3_full : 1; /* TOE Interrupt Queue 3 Full Interrupt */ + } bits; +} INTR_REG1_T; + +#define TOE_IQ3_FULL_INT_BIT BIT(31) +#define TOE_IQ2_FULL_INT_BIT BIT(30) +#define TOE_IQ1_FULL_INT_BIT BIT(29) +#define TOE_IQ0_FULL_INT_BIT BIT(28) +#define TOE_IQ3_INT_BIT BIT(27) +#define TOE_IQ2_INT_BIT BIT(26) +#define TOE_IQ1_INT_BIT BIT(25) +#define TOE_IQ0_INT_BIT BIT(24) +#define GMAC1_HWTQ13_EOF_INT_BIT BIT(23) +#define GMAC1_HWTQ12_EOF_INT_BIT BIT(22) +#define GMAC1_HWTQ11_EOF_INT_BIT BIT(21) +#define GMAC1_HWTQ10_EOF_INT_BIT BIT(20) +#define GMAC0_HWTQ03_EOF_INT_BIT BIT(19) +#define GMAC0_HWTQ02_EOF_INT_BIT BIT(18) +#define GMAC0_HWTQ01_EOF_INT_BIT BIT(17) +#define GMAC0_HWTQ00_EOF_INT_BIT BIT(16) +#define CLASS_RX_INT_BIT(x) BIT((x + 2)) +#define DEFAULT_Q1_INT_BIT BIT(1) +#define DEFAULT_Q0_INT_BIT BIT(0) + +#define TOE_IQ_INT_BITS (TOE_IQ0_INT_BIT | TOE_IQ1_INT_BIT | \ + TOE_IQ2_INT_BIT | TOE_IQ3_INT_BIT) +#define TOE_IQ_FULL_BITS (TOE_IQ0_FULL_INT_BIT | TOE_IQ1_FULL_INT_BIT | \ + TOE_IQ2_FULL_INT_BIT | TOE_IQ3_FULL_INT_BIT) +#define TOE_IQ_ALL_BITS (TOE_IQ_INT_BITS | TOE_IQ_FULL_BITS) +#define TOE_CLASS_RX_INT_BITS 0xfffc + +/* + * Interrupt Status Register 2 (offset 0x0040) + * Interrupt Mask Register 2 (offset 0x0044) + * Interrupt Select Register 2 (offset 0x0048) + */ +typedef union { + unsigned int bits32; + struct bit_0040 { + unsigned int toe_q0_full : 1; /* bit 0 TOE Queue 0 Full Interrupt */ + unsigned int toe_q1_full : 1; /* bit 1 TOE Queue 1 Full Interrupt */ + unsigned int toe_q2_full : 1; /* bit 2 TOE Queue 2 Full Interrupt */ + unsigned int toe_q3_full : 1; /* bit 3 TOE Queue 3 Full Interrupt */ + unsigned int toe_q4_full : 1; /* bit 4 TOE Queue 4 Full Interrupt */ + unsigned int toe_q5_full : 1; /* bit 5 TOE Queue 5 Full Interrupt */ + unsigned int toe_q6_full : 1; /* bit 6 TOE Queue 6 Full Interrupt */ + unsigned int toe_q7_full : 1; /* bit 7 TOE Queue 7 Full Interrupt */ + unsigned int toe_q8_full : 1; /* bit 8 TOE Queue 8 Full Interrupt */ + unsigned int toe_q9_full : 1; /* bit 9 TOE Queue 9 Full Interrupt */ + unsigned int toe_q10_full : 1; /* bit 10 TOE Queue 10 Full Interrupt */ + unsigned int toe_q11_full : 1; /* bit 11 TOE Queue 11 Full Interrupt */ + unsigned int toe_q12_full : 1; /* bit 12 TOE Queue 12 Full Interrupt */ + unsigned int toe_q13_full : 1; /* bit 13 TOE Queue 13 Full Interrupt */ + unsigned int toe_q14_full : 1; /* bit 14 TOE Queue 14 Full Interrupt */ + unsigned int toe_q15_full : 1; /* bit 15 TOE Queue 15 Full Interrupt */ + unsigned int toe_q16_full : 1; /* bit 16 TOE Queue 16 Full Interrupt */ + unsigned int toe_q17_full : 1; /* bit 17 TOE Queue 17 Full Interrupt */ + unsigned int toe_q18_full : 1; /* bit 18 TOE Queue 18 Full Interrupt */ + unsigned int toe_q19_full : 1; /* bit 19 TOE Queue 19 Full Interrupt */ + unsigned int toe_q20_full : 1; /* bit 20 TOE Queue 20 Full Interrupt */ + unsigned int toe_q21_full : 1; /* bit 21 TOE Queue 21 Full Interrupt */ + unsigned int toe_q22_full : 1; /* bit 22 TOE Queue 22 Full Interrupt */ + unsigned int toe_q23_full : 1; /* bit 23 TOE Queue 23 Full Interrupt */ + unsigned int toe_q24_full : 1; /* bit 24 TOE Queue 24 Full Interrupt */ + unsigned int toe_q25_full : 1; /* bit 25 TOE Queue 25 Full Interrupt */ + unsigned int toe_q26_full : 1; /* bit 26 TOE Queue 26 Full Interrupt */ + unsigned int toe_q27_full : 1; /* bit 27 TOE Queue 27 Full Interrupt */ + unsigned int toe_q28_full : 1; /* bit 28 TOE Queue 28 Full Interrupt */ + unsigned int toe_q29_full : 1; /* bit 29 TOE Queue 29 Full Interrupt */ + unsigned int toe_q30_full : 1; /* bit 30 TOE Queue 30 Full Interrupt */ + unsigned int toe_q31_full : 1; /* bit 31 TOE Queue 31 Full Interrupt */ + } bits; +} INTR_REG2_T; + +#define TOE_QL_FULL_INT_BIT(x) BIT(x) + +/* + * Interrupt Status Register 3 (offset 0x0050) + * Interrupt Mask Register 3 (offset 0x0054) + * Interrupt Select Register 3 (offset 0x0058) + */ +typedef union { + unsigned int bits32; + struct bit_0050 { + unsigned int toe_q32_full : 1; /* bit 32 TOE Queue 32 Full Interrupt */ + unsigned int toe_q33_full : 1; /* bit 33 TOE Queue 33 Full Interrupt */ + unsigned int toe_q34_full : 1; /* bit 34 TOE Queue 34 Full Interrupt */ + unsigned int toe_q35_full : 1; /* bit 35 TOE Queue 35 Full Interrupt */ + unsigned int toe_q36_full : 1; /* bit 36 TOE Queue 36 Full Interrupt */ + unsigned int toe_q37_full : 1; /* bit 37 TOE Queue 37 Full Interrupt */ + unsigned int toe_q38_full : 1; /* bit 38 TOE Queue 38 Full Interrupt */ + unsigned int toe_q39_full : 1; /* bit 39 TOE Queue 39 Full Interrupt */ + unsigned int toe_q40_full : 1; /* bit 40 TOE Queue 40 Full Interrupt */ + unsigned int toe_q41_full : 1; /* bit 41 TOE Queue 41 Full Interrupt */ + unsigned int toe_q42_full : 1; /* bit 42 TOE Queue 42 Full Interrupt */ + unsigned int toe_q43_full : 1; /* bit 43 TOE Queue 43 Full Interrupt */ + unsigned int toe_q44_full : 1; /* bit 44 TOE Queue 44 Full Interrupt */ + unsigned int toe_q45_full : 1; /* bit 45 TOE Queue 45 Full Interrupt */ + unsigned int toe_q46_full : 1; /* bit 46 TOE Queue 46 Full Interrupt */ + unsigned int toe_q47_full : 1; /* bit 47 TOE Queue 47 Full Interrupt */ + unsigned int toe_q48_full : 1; /* bit 48 TOE Queue 48 Full Interrupt */ + unsigned int toe_q49_full : 1; /* bit 49 TOE Queue 49 Full Interrupt */ + unsigned int toe_q50_full : 1; /* bit 50 TOE Queue 50 Full Interrupt */ + unsigned int toe_q51_full : 1; /* bit 51 TOE Queue 51 Full Interrupt */ + unsigned int toe_q52_full : 1; /* bit 52 TOE Queue 52 Full Interrupt */ + unsigned int toe_q53_full : 1; /* bit 53 TOE Queue 53 Full Interrupt */ + unsigned int toe_q54_full : 1; /* bit 54 TOE Queue 54 Full Interrupt */ + unsigned int toe_q55_full : 1; /* bit 55 TOE Queue 55 Full Interrupt */ + unsigned int toe_q56_full : 1; /* bit 56 TOE Queue 56 Full Interrupt */ + unsigned int toe_q57_full : 1; /* bit 57 TOE Queue 57 Full Interrupt */ + unsigned int toe_q58_full : 1; /* bit 58 TOE Queue 58 Full Interrupt */ + unsigned int toe_q59_full : 1; /* bit 59 TOE Queue 59 Full Interrupt */ + unsigned int toe_q60_full : 1; /* bit 60 TOE Queue 60 Full Interrupt */ + unsigned int toe_q61_full : 1; /* bit 61 TOE Queue 61 Full Interrupt */ + unsigned int toe_q62_full : 1; /* bit 62 TOE Queue 62 Full Interrupt */ + unsigned int toe_q63_full : 1; /* bit 63 TOE Queue 63 Full Interrupt */ + } bits; +} INTR_REG3_T; + +#define TOE_QH_FULL_INT_BIT(x) BIT(x-32) + +/* + * Interrupt Status Register 4 (offset 0x0060) + * Interrupt Mask Register 4 (offset 0x0064) + * Interrupt Select Register 4 (offset 0x0068) + */ +typedef union { + unsigned char byte; + struct bit_0060 { + unsigned char status_changed : 1; /* Status Changed Intr for RGMII Mode */ + unsigned char rx_overrun : 1; /* GMAC Rx FIFO overrun interrupt */ + unsigned char tx_pause_off : 1; /* received pause off frame interrupt */ + unsigned char rx_pause_off : 1; /* received pause off frame interrupt */ + unsigned char tx_pause_on : 1; /* transmit pause on frame interrupt */ + unsigned char rx_pause_on : 1; /* received pause on frame interrupt */ + unsigned char cnt_full : 1; /* MIB counters half full interrupt */ + unsigned char reserved : 1; /* */ + } __packed bits; +} __packed GMAC_INTR_T; + +typedef union { + unsigned int bits32; + struct bit_0060_2 { + unsigned int swfq_empty : 1; /* bit 0 Software Free Queue Empty Intr. */ + unsigned int hwfq_empty : 1; /* bit 1 Hardware Free Queue Empty Intr. */ + unsigned int class_qf_int : 14; /* bit 15:2 Classification Rx Queue13-0 Full Intr. */ + GMAC_INTR_T gmac0; + GMAC_INTR_T gmac1; + } bits; +} INTR_REG4_T; + +#define GMAC1_RESERVED_INT_BIT BIT(31) +#define GMAC1_MIB_INT_BIT BIT(30) +#define GMAC1_RX_PAUSE_ON_INT_BIT BIT(29) +#define GMAC1_TX_PAUSE_ON_INT_BIT BIT(28) +#define GMAC1_RX_PAUSE_OFF_INT_BIT BIT(27) +#define GMAC1_TX_PAUSE_OFF_INT_BIT BIT(26) +#define GMAC1_RX_OVERRUN_INT_BIT BIT(25) +#define GMAC1_STATUS_CHANGE_INT_BIT BIT(24) +#define GMAC0_RESERVED_INT_BIT BIT(23) +#define GMAC0_MIB_INT_BIT BIT(22) +#define GMAC0_RX_PAUSE_ON_INT_BIT BIT(21) +#define GMAC0_TX_PAUSE_ON_INT_BIT BIT(20) +#define GMAC0_RX_PAUSE_OFF_INT_BIT BIT(19) +#define GMAC0_TX_PAUSE_OFF_INT_BIT BIT(18) +#define GMAC0_RX_OVERRUN_INT_BIT BIT(17) +#define GMAC0_STATUS_CHANGE_INT_BIT BIT(16) +#define CLASS_RX_FULL_INT_BIT(x) BIT((x+2)) +#define HWFQ_EMPTY_INT_BIT BIT(1) +#define SWFQ_EMPTY_INT_BIT BIT(0) + +#define GMAC0_INT_BITS (GMAC0_RESERVED_INT_BIT | GMAC0_MIB_INT_BIT | \ + GMAC0_RX_PAUSE_ON_INT_BIT | GMAC0_TX_PAUSE_ON_INT_BIT | \ + GMAC0_RX_PAUSE_OFF_INT_BIT | GMAC0_TX_PAUSE_OFF_INT_BIT | \ + GMAC0_RX_OVERRUN_INT_BIT | GMAC0_STATUS_CHANGE_INT_BIT) +#define GMAC1_INT_BITS (GMAC1_RESERVED_INT_BIT | GMAC1_MIB_INT_BIT | \ + GMAC1_RX_PAUSE_ON_INT_BIT | GMAC1_TX_PAUSE_ON_INT_BIT | \ + GMAC1_RX_PAUSE_OFF_INT_BIT | GMAC1_TX_PAUSE_OFF_INT_BIT | \ + GMAC1_RX_OVERRUN_INT_BIT | GMAC1_STATUS_CHANGE_INT_BIT) + +#define CLASS_RX_FULL_INT_BITS 0xfffc + +/* + * GLOBAL_QUEUE_THRESHOLD_REG (offset 0x0070) + */ +typedef union { + unsigned int bits32; + struct bit_0070_2 { + unsigned int swfq_empty : 8; /* 7:0 Software Free Queue Empty Threshold */ + unsigned int hwfq_empty : 8; /* 15:8 Hardware Free Queue Empty Threshold */ + unsigned int intrq : 8; /* 23:16 */ + unsigned int toe_class : 8; /* 31:24 */ + } bits; +} QUEUE_THRESHOLD_T; + + +/* + * GMAC DMA Control Register + * GMAC0 offset 0x8000 + * GMAC1 offset 0xC000 + */ +typedef union { + unsigned int bits32; + struct bit_8000 { + unsigned int td_bus : 2; /* bit 1:0 Peripheral Bus Width */ + unsigned int td_burst_size : 2; /* bit 3:2 TxDMA max burst size for every AHB request */ + unsigned int td_prot : 4; /* bit 7:4 TxDMA protection control */ + unsigned int rd_bus : 2; /* bit 9:8 Peripheral Bus Width */ + unsigned int rd_burst_size : 2; /* bit 11:10 DMA max burst size for every AHB request */ + unsigned int rd_prot : 4; /* bit 15:12 DMA Protection Control */ + unsigned int rd_insert_bytes : 2; /* bit 17:16 */ + unsigned int reserved : 10; /* bit 27:18 */ + unsigned int drop_small_ack : 1; /* bit 28 1: Drop, 0: Accept */ + unsigned int loopback : 1; /* bit 29 Loopback TxDMA to RxDMA */ + unsigned int td_enable : 1; /* bit 30 Tx DMA Enable */ + unsigned int rd_enable : 1; /* bit 31 Rx DMA Enable */ + } bits; +} GMAC_DMA_CTRL_T; + +/* + * GMAC Tx Weighting Control Register 0 + * GMAC0 offset 0x8004 + * GMAC1 offset 0xC004 + */ +typedef union { + unsigned int bits32; + struct bit_8004 { + unsigned int hw_tq0 : 6; /* bit 5:0 HW TX Queue 3 */ + unsigned int hw_tq1 : 6; /* bit 11:6 HW TX Queue 2 */ + unsigned int hw_tq2 : 6; /* bit 17:12 HW TX Queue 1 */ + unsigned int hw_tq3 : 6; /* bit 23:18 HW TX Queue 0 */ + unsigned int reserved : 8; /* bit 31:24 */ + } bits; +} GMAC_TX_WCR0_T; /* Weighting Control Register 0 */ + +/* + * GMAC Tx Weighting Control Register 1 + * GMAC0 offset 0x8008 + * GMAC1 offset 0xC008 + */ +typedef union { + unsigned int bits32; + struct bit_8008 { + unsigned int sw_tq0 : 5; /* bit 4:0 SW TX Queue 0 */ + unsigned int sw_tq1 : 5; /* bit 9:5 SW TX Queue 1 */ + unsigned int sw_tq2 : 5; /* bit 14:10 SW TX Queue 2 */ + unsigned int sw_tq3 : 5; /* bit 19:15 SW TX Queue 3 */ + unsigned int sw_tq4 : 5; /* bit 24:20 SW TX Queue 4 */ + unsigned int sw_tq5 : 5; /* bit 29:25 SW TX Queue 5 */ + unsigned int reserved : 2; /* bit 31:30 */ + } bits; +} GMAC_TX_WCR1_T; /* Weighting Control Register 1 */ + +/* + * Queue Read/Write Pointer + * GMAC SW TX Queue 0~5 Read/Write Pointer register + * GMAC0 offset 0x800C ~ 0x8020 + * GMAC1 offset 0xC00C ~ 0xC020 + * GMAC HW TX Queue 0~3 Read/Write Pointer register + * GMAC0 offset 0x8024 ~ 0x8030 + * GMAC1 offset 0xC024 ~ 0xC030 + * + * see DMA_RWPTR_T structure + */ + +/* + * GMAC DMA Tx First Description Address Register + * GMAC0 offset 0x8038 + * GMAC1 offset 0xC038 + */ +typedef union { + unsigned int bits32; + struct bit_8038 { + unsigned int reserved : 3; + unsigned int td_busy : 1; /* bit 3 1: TxDMA busy; 0: TxDMA idle */ + unsigned int td_first_des_ptr : 28; /* bit 31:4 first descriptor address */ + } bits; +} GMAC_TXDMA_FIRST_DESC_T; + +/* + * GMAC DMA Tx Current Description Address Register + * GMAC0 offset 0x803C + * GMAC1 offset 0xC03C + */ +typedef union { + unsigned int bits32; + struct bit_803C { + unsigned int reserved : 4; + unsigned int td_curr_desc_ptr : 28; /* bit 31:4 current descriptor address */ + } bits; +} GMAC_TXDMA_CURR_DESC_T; + +/* + * GMAC DMA Tx Description Word 0 Register + * GMAC0 offset 0x8040 + * GMAC1 offset 0xC040 + */ +typedef union { + unsigned int bits32; + struct bit_8040 { + unsigned int buffer_size : 16; /* bit 15:0 Transfer size */ + unsigned int desc_count : 6; /* bit 21:16 number of descriptors used for the current frame */ + unsigned int status_tx_ok : 1; /* bit 22 Tx Status, 1: Successful 0: Failed */ + unsigned int status_rvd : 6; /* bit 28:23 Tx Status, Reserved bits */ + unsigned int perr : 1; /* bit 29 protocol error during processing this descriptor */ + unsigned int derr : 1; /* bit 30 data error during processing this descriptor */ + unsigned int reserved : 1; /* bit 31 */ + } bits; +} GMAC_TXDESC_0_T; + +/* + * GMAC DMA Tx Description Word 1 Register + * GMAC0 offset 0x8044 + * GMAC1 offset 0xC044 + */ +typedef union { + unsigned int bits32; + struct txdesc_word1 { + unsigned int byte_count : 16; /* bit 15: 0 Tx Frame Byte Count */ + unsigned int mtu_enable : 1; /* bit 16 TSS segmentation use MTU setting */ + unsigned int ip_chksum : 1; /* bit 17 IPV4 Header Checksum Enable */ + unsigned int ipv6_enable : 1; /* bit 18 IPV6 Tx Enable */ + unsigned int tcp_chksum : 1; /* bit 19 TCP Checksum Enable */ + unsigned int udp_chksum : 1; /* bit 20 UDP Checksum Enable */ + unsigned int bypass_tss : 1; /* bit 21 Bypass HW offload engine */ + unsigned int ip_fixed_len : 1; /* bit 22 Don't update IP length field */ + unsigned int reserved : 9; /* bit 31:23 Tx Flag, Reserved */ + } bits; +} GMAC_TXDESC_1_T; + +#define TSS_IP_FIXED_LEN_BIT BIT(22) +#define TSS_BYPASS_BIT BIT(21) +#define TSS_UDP_CHKSUM_BIT BIT(20) +#define TSS_TCP_CHKSUM_BIT BIT(19) +#define TSS_IPV6_ENABLE_BIT BIT(18) +#define TSS_IP_CHKSUM_BIT BIT(17) +#define TSS_MTU_ENABLE_BIT BIT(16) + +#define TSS_CHECKUM_ENABLE \ + (TSS_IP_CHKSUM_BIT|TSS_IPV6_ENABLE_BIT| \ + TSS_TCP_CHKSUM_BIT|TSS_UDP_CHKSUM_BIT) + +/* + * GMAC DMA Tx Description Word 2 Register + * GMAC0 offset 0x8048 + * GMAC1 offset 0xC048 + */ +typedef union { + unsigned int bits32; + unsigned int buf_adr; +} GMAC_TXDESC_2_T; + +/* + * GMAC DMA Tx Description Word 3 Register + * GMAC0 offset 0x804C + * GMAC1 offset 0xC04C + */ +typedef union { + unsigned int bits32; + struct txdesc_word3 { + unsigned int mtu_size : 13; /* bit 12: 0 Tx Frame Byte Count */ + unsigned int reserved : 16; /* bit 28:13 */ + unsigned int eofie : 1; /* bit 29 End of frame interrupt enable */ + unsigned int sof_eof : 2; /* bit 31:30 11: only one, 10: first, 01: last, 00: linking */ + } bits; +} GMAC_TXDESC_3_T; +#define SOF_EOF_BIT_MASK 0x3fffffff +#define SOF_BIT 0x80000000 +#define EOF_BIT 0x40000000 +#define EOFIE_BIT BIT(29) +#define MTU_SIZE_BIT_MASK 0x1fff + +/* + * GMAC Tx Descriptor + */ +typedef struct { + GMAC_TXDESC_0_T word0; + GMAC_TXDESC_1_T word1; + GMAC_TXDESC_2_T word2; + GMAC_TXDESC_3_T word3; +} GMAC_TXDESC_T; + +/* + * GMAC DMA Rx First Description Address Register + * GMAC0 offset 0x8058 + * GMAC1 offset 0xC058 + */ +typedef union { + unsigned int bits32; + struct bit_8058 { + unsigned int reserved : 3; /* bit 2:0 */ + unsigned int rd_busy : 1; /* bit 3 1-RxDMA busy; 0-RxDMA idle */ + unsigned int rd_first_des_ptr : 28; /* bit 31:4 first descriptor address */ + } bits; +} GMAC_RXDMA_FIRST_DESC_T; + +/* + * GMAC DMA Rx Current Description Address Register + * GMAC0 offset 0x805C + * GMAC1 offset 0xC05C + */ +typedef union { + unsigned int bits32; + struct bit_805C { + unsigned int reserved : 4; /* bit 3:0 */ + unsigned int rd_curr_des_ptr : 28; /* bit 31:4 current descriptor address */ + } bits; +} GMAC_RXDMA_CURR_DESC_T; + +/* + * GMAC DMA Rx Description Word 0 Register + * GMAC0 offset 0x8060 + * GMAC1 offset 0xC060 + */ +typedef union { + unsigned int bits32; + struct bit_8060 { + unsigned int buffer_size : 16; /* bit 15:0 number of descriptors used for the current frame */ + unsigned int desc_count : 6; /* bit 21:16 number of descriptors used for the current frame */ + unsigned int status : 4; /* bit 24:22 Status of rx frame */ + unsigned int chksum_status : 3; /* bit 28:26 Check Sum Status */ + unsigned int perr : 1; /* bit 29 protocol error during processing this descriptor */ + unsigned int derr : 1; /* bit 30 data error during processing this descriptor */ + unsigned int drop : 1; /* bit 31 TOE/CIS Queue Full dropped packet to default queue */ + } bits; +} GMAC_RXDESC_0_T; + +#define GMAC_RXDESC_0_T_derr BIT(30) +#define GMAC_RXDESC_0_T_perr BIT(29) +#define GMAC_RXDESC_0_T_chksum_status(x) BIT((x+26)) +#define GMAC_RXDESC_0_T_status(x) BIT((x+22)) +#define GMAC_RXDESC_0_T_desc_count(x) BIT((x+16)) + +#define RX_CHKSUM_IP_UDP_TCP_OK 0 +#define RX_CHKSUM_IP_OK_ONLY 1 +#define RX_CHKSUM_NONE 2 +#define RX_CHKSUM_IP_ERR_UNKNOWN 4 +#define RX_CHKSUM_IP_ERR 5 +#define RX_CHKSUM_TCP_UDP_ERR 6 +#define RX_CHKSUM_NUM 8 + +#define RX_STATUS_GOOD_FRAME 0 +#define RX_STATUS_TOO_LONG_GOOD_CRC 1 +#define RX_STATUS_RUNT_FRAME 2 +#define RX_STATUS_SFD_NOT_FOUND 3 +#define RX_STATUS_CRC_ERROR 4 +#define RX_STATUS_TOO_LONG_BAD_CRC 5 +#define RX_STATUS_ALIGNMENT_ERROR 6 +#define RX_STATUS_TOO_LONG_BAD_ALIGN 7 +#define RX_STATUS_RX_ERR 8 +#define RX_STATUS_DA_FILTERED 9 +#define RX_STATUS_BUFFER_FULL 10 +#define RX_STATUS_NUM 16 + +#define RX_ERROR_LENGTH(s) \ + ((s) == RX_STATUS_TOO_LONG_GOOD_CRC || \ + (s) == RX_STATUS_TOO_LONG_BAD_CRC || \ + (s) == RX_STATUS_TOO_LONG_BAD_ALIGN) +#define RX_ERROR_OVER(s) \ + ((s) == RX_STATUS_BUFFER_FULL) +#define RX_ERROR_CRC(s) \ + ((s) == RX_STATUS_CRC_ERROR || \ + (s) == RX_STATUS_TOO_LONG_BAD_CRC) +#define RX_ERROR_FRAME(s) \ + ((s) == RX_STATUS_ALIGNMENT_ERROR || \ + (s) == RX_STATUS_TOO_LONG_BAD_ALIGN) +#define RX_ERROR_FIFO(s) \ + (0) + +/* + * GMAC DMA Rx Description Word 1 Register + * GMAC0 offset 0x8064 + * GMAC1 offset 0xC064 + */ +typedef union { + unsigned int bits32; + struct rxdesc_word1 { + unsigned int byte_count : 16; /* bit 15: 0 Rx Frame Byte Count */ + unsigned int sw_id : 16; /* bit 31:16 Software ID */ + } bits; +} GMAC_RXDESC_1_T; + +/* + * GMAC DMA Rx Description Word 2 Register + * GMAC0 offset 0x8068 + * GMAC1 offset 0xC068 + */ +typedef union { + unsigned int bits32; + unsigned int buf_adr; +} GMAC_RXDESC_2_T; + +#define RX_INSERT_NONE 0 +#define RX_INSERT_1_BYTE 1 +#define RX_INSERT_2_BYTE 2 +#define RX_INSERT_3_BYTE 3 + +/* + * GMAC DMA Rx Description Word 3 Register + * GMAC0 offset 0x806C + * GMAC1 offset 0xC06C + */ +typedef union { + unsigned int bits32; + struct rxdesc_word3 { + unsigned int l3_offset : 8; /* bit 7: 0 L3 data offset */ + unsigned int l4_offset : 8; /* bit 15: 8 L4 data offset */ + unsigned int l7_offset : 8; /* bit 23: 16 L7 data offset */ + unsigned int dup_ack : 1; /* bit 24 Duplicated ACK detected */ + unsigned int abnormal : 1; /* bit 25 abnormal case found */ + unsigned int option : 1; /* bit 26 IPV4 option or IPV6 extension header */ + unsigned int out_of_seq : 1; /* bit 27 Out of Sequence packet */ + unsigned int ctrl_flag : 1; /* bit 28 Control Flag is present */ + unsigned int eofie : 1; /* bit 29 End of frame interrupt enable */ + unsigned int sof_eof : 2; /* bit 31:30 11: only one, 10: first, 01: last, 00: linking */ + } bits; +} GMAC_RXDESC_3_T; + +/* + * GMAC Rx Descriptor + */ +typedef struct { + GMAC_RXDESC_0_T word0; + GMAC_RXDESC_1_T word1; + GMAC_RXDESC_2_T word2; + GMAC_RXDESC_3_T word3; +} GMAC_RXDESC_T; + +/* + * GMAC Hash Engine Enable/Action Register 0 Offset Register + * GMAC0 offset 0x8070 + * GMAC1 offset 0xC070 + */ +typedef union { + unsigned int bits32; + struct bit_8070 { + unsigned int mr0hel : 6; /* bit 5:0 match rule 0 hash entry size */ + unsigned int mr0_action : 5; /* bit 10:6 Matching Rule 0 action offset */ + unsigned int reserved0 : 4; /* bit 14:11 */ + unsigned int mr0en : 1; /* bit 15 Enable Matching Rule 0 */ + unsigned int mr1hel : 6; /* bit 21:16 match rule 1 hash entry size */ + unsigned int mr1_action : 5; /* bit 26:22 Matching Rule 1 action offset */ + unsigned int timing : 3; /* bit 29:27 */ + unsigned int reserved1 : 1; /* bit 30 */ + unsigned int mr1en : 1; /* bit 31 Enable Matching Rule 1 */ + } bits; +} GMAC_HASH_ENABLE_REG0_T; + +/* + * GMAC Hash Engine Enable/Action Register 1 Offset Register + * GMAC0 offset 0x8074 + * GMAC1 offset 0xC074 + */ +typedef union { + unsigned int bits32; + struct bit_8074 { + unsigned int mr2hel : 6; /* bit 5:0 match rule 2 hash entry size */ + unsigned int mr2_action : 5; /* bit 10:6 Matching Rule 2 action offset */ + unsigned int reserved2 : 4; /* bit 14:11 */ + unsigned int mr2en : 1; /* bit 15 Enable Matching Rule 2 */ + unsigned int mr3hel : 6; /* bit 21:16 match rule 3 hash entry size */ + unsigned int mr3_action : 5; /* bit 26:22 Matching Rule 3 action offset */ + unsigned int reserved1 : 4; /* bit 30:27 */ + unsigned int mr3en : 1; /* bit 31 Enable Matching Rule 3 */ + } bits; +} GMAC_HASH_ENABLE_REG1_T; + +/* + * GMAC Matching Rule Control Register 0 + * GMAC0 offset 0x8078 + * GMAC1 offset 0xC078 + */ +typedef union { + unsigned int bits32; + struct bit_8078 { + unsigned int sprx : 8; /* bit 7:0 Support Protocol Register 7:0 */ + unsigned int reserved2 : 4; /* bit 11:8 */ + unsigned int tos_traffic : 1; /* bit 12 IPV4 TOS or IPV6 Traffice Class */ + unsigned int flow_lable : 1; /* bit 13 IPV6 Flow label */ + unsigned int ip_hdr_len : 1; /* bit 14 IPV4 Header length */ + unsigned int ip_version : 1; /* bit 15 0: IPV4, 1: IPV6 */ + unsigned int reserved1 : 3; /* bit 18:16 */ + unsigned int pppoe : 1; /* bit 19 PPPoE Session ID enable */ + unsigned int vlan : 1; /* bit 20 VLAN ID enable */ + unsigned int ether_type : 1; /* bit 21 Ethernet type enable */ + unsigned int sa : 1; /* bit 22 MAC SA enable */ + unsigned int da : 1; /* bit 23 MAC DA enable */ + unsigned int priority : 3; /* bit 26:24 priority if multi-rules matched */ + unsigned int port : 1; /* bit 27 PORT ID matching enable */ + unsigned int l7 : 1; /* bit 28 L7 matching enable */ + unsigned int l4 : 1; /* bit 29 L4 matching enable */ + unsigned int l3 : 1; /* bit 30 L3 matching enable */ + unsigned int l2 : 1; /* bit 31 L2 matching enable */ + } bits; +} GMAC_MRxCR0_T; + +#define MR_L2_BIT BIT(31) +#define MR_L3_BIT BIT(30) +#define MR_L4_BIT BIT(29) +#define MR_L7_BIT BIT(28) +#define MR_PORT_BIT BIT(27) +#define MR_PRIORITY_BIT BIT(26) +#define MR_DA_BIT BIT(23) +#define MR_SA_BIT BIT(22) +#define MR_ETHER_TYPE_BIT BIT(21) +#define MR_VLAN_BIT BIT(20) +#define MR_PPPOE_BIT BIT(19) +#define MR_IP_VER_BIT BIT(15) +#define MR_IP_HDR_LEN_BIT BIT(14) +#define MR_FLOW_LABLE_BIT BIT(13) +#define MR_TOS_TRAFFIC_BIT BIT(12) +#define MR_SPR_BIT(x) BIT(x) +#define MR_SPR_BITS 0xff + +/* + * GMAC Matching Rule Control Register 1 + * GMAC0 offset 0x807C + * GMAC1 offset 0xC07C + */ +typedef union { + unsigned int bits32; + struct bit_807C { + unsigned int l4_byte0_15 : 16; /* bit 15: 0 */ + unsigned int dip_netmask : 7; /* bit 22:16 Dest IP net mask, number of mask bits */ + unsigned int dip : 1; /* bit 23 Dest IP */ + unsigned int sip_netmask : 7; /* bit 30:24 Srce IP net mask, number of mask bits */ + unsigned int sip : 1; /* bit 31 Srce IP */ + } bits; +} GMAC_MRxCR1_T; + +/* + * GMAC Matching Rule Control Register 2 + * GMAC0 offset 0x8080 + * GMAC1 offset 0xC080 + */ +typedef union { + unsigned int bits32; + struct bit_8080 { + unsigned int l7_byte0_23 : 24; /* bit 23:0 */ + unsigned int l4_byte16_24 : 8; /* bit 31: 24 */ + } bits; +} GMAC_MRxCR2_T; + +/* + * GMAC Support registers + * GMAC0 offset 0x80A8 + * GMAC1 offset 0xC0A8 + */ +typedef union { + unsigned int bits32; + struct bit_80A8 { + unsigned int protocol : 8; /* bit 7:0 Supported protocol */ + unsigned int swap : 3; /* bit 10:8 Swap */ + unsigned int reserved : 21; /* bit 31:11 */ + } bits; +} GMAC_SPR_T; + +/* + * GMAC_AHB_WEIGHT registers + * GMAC0 offset 0x80C8 + * GMAC1 offset 0xC0C8 + */ +typedef union { + unsigned int bits32; + struct bit_80C8 { + unsigned int hash_weight : 5; /* 4:0 */ + unsigned int rx_weight : 5; /* 9:5 */ + unsigned int tx_weight : 5; /* 14:10 */ + unsigned int pre_req : 5; /* 19:15 Rx Data Pre Request FIFO Threshold */ + unsigned int tqDV_threshold : 5; /* 24:20 DMA TqCtrl to Start tqDV FIFO Threshold */ + unsigned int reserved : 7; /* 31:25 */ + } bits; +} GMAC_AHB_WEIGHT_T; + +/* + * the register structure of GMAC + */ + +/* + * GMAC RX FLTR + * GMAC0 Offset 0xA00C + * GMAC1 Offset 0xE00C + */ +typedef union { + unsigned int bits32; + struct bit1_000c { + unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */ + unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */ + unsigned int broadcast : 1; /* enable receive of broadcast frames */ + unsigned int promiscuous : 1; /* enable receive of all frames */ + unsigned int error : 1; /* enable receive of all error frames */ + unsigned int : 27; + } bits; +} GMAC_RX_FLTR_T; + +/* + * GMAC Configuration 0 + * GMAC0 Offset 0xA018 + * GMAC1 Offset 0xE018 + */ +typedef union { + unsigned int bits32; + struct bit1_0018 { + unsigned int dis_tx : 1; /* 0: disable transmit */ + unsigned int dis_rx : 1; /* 1: disable receive */ + unsigned int loop_back : 1; /* 2: transmit data loopback enable */ + unsigned int flow_ctrl : 1; /* 3: flow control also trigged by Rx queues */ + unsigned int adj_ifg : 4; /* 4-7: adjust IFG from 96+/-56 */ + unsigned int max_len : 3; /* 8-10 maximum receive frame length allowed */ + unsigned int dis_bkoff : 1; /* 11: disable back-off function */ + unsigned int dis_col : 1; /* 12: disable 16 collisions abort function */ + unsigned int sim_test : 1; /* 13: speed up timers in simulation */ + unsigned int rx_fc_en : 1; /* 14: RX flow control enable */ + unsigned int tx_fc_en : 1; /* 15: TX flow control enable */ + unsigned int rgmii_en : 1; /* 16: RGMII in-band status enable */ + unsigned int ipv4_rx_chksum : 1; /* 17: IPv4 RX Checksum enable */ + unsigned int ipv6_rx_chksum : 1; /* 18: IPv6 RX Checksum enable */ + unsigned int rx_tag_remove : 1; /* 19: Remove Rx VLAN tag */ + unsigned int rgmm_edge : 1; /* 20 */ + unsigned int rxc_inv : 1; /* 21 */ + unsigned int ipv6_exthdr_order : 1; /* 22 */ + unsigned int rx_err_detect : 1; /* 23 */ + unsigned int port0_chk_hwq : 1; /* 24 */ + unsigned int port1_chk_hwq : 1; /* 25 */ + unsigned int port0_chk_toeq : 1; /* 26 */ + unsigned int port1_chk_toeq : 1; /* 27 */ + unsigned int port0_chk_classq : 1; /* 28 */ + unsigned int port1_chk_classq : 1; /* 29 */ + unsigned int reserved : 2; /* 31 */ + } bits; +} GMAC_CONFIG0_T; + +#define CONFIG0_TX_RX_DISABLE (BIT(1)|BIT(0)) +#define CONFIG0_RX_CHKSUM (BIT(18)|BIT(17)) +#define CONFIG0_FLOW_RX (BIT(14)) +#define CONFIG0_FLOW_TX (BIT(15)) +#define CONFIG0_FLOW_TX_RX (BIT(14)|BIT(15)) +#define CONFIG0_FLOW_CTL (BIT(14)|BIT(15)) + +#define CONFIG0_MAXLEN_SHIFT 8 +#define CONFIG0_MAXLEN_MASK (7 << CONFIG0_MAXLEN_SHIFT) +#define CONFIG0_MAXLEN_1536 0 +#define CONFIG0_MAXLEN_1518 1 +#define CONFIG0_MAXLEN_1522 2 +#define CONFIG0_MAXLEN_1542 3 +#define CONFIG0_MAXLEN_9k 4 /* 9212 */ +#define CONFIG0_MAXLEN_10k 5 /* 10236 */ +#define CONFIG0_MAXLEN_1518__6 6 +#define CONFIG0_MAXLEN_1518__7 7 + +/* + * GMAC Configuration 1 + * GMAC0 Offset 0xA01C + * GMAC1 Offset 0xE01C + */ +typedef union { + unsigned int bits32; + struct bit1_001c { + unsigned int set_threshold : 8; /* flow control set threshold */ + unsigned int rel_threshold : 8; /* flow control release threshold */ + unsigned int reserved : 16; + } bits; +} GMAC_CONFIG1_T; + +#define GMAC_FLOWCTRL_SET_MAX 32 +#define GMAC_FLOWCTRL_SET_MIN 0 +#define GMAC_FLOWCTRL_RELEASE_MAX 32 +#define GMAC_FLOWCTRL_RELEASE_MIN 0 + +/* + * GMAC Configuration 2 + * GMAC0 Offset 0xA020 + * GMAC1 Offset 0xE020 + */ +typedef union { + unsigned int bits32; + struct bit1_0020 { + unsigned int set_threshold : 16; /* flow control set threshold */ + unsigned int rel_threshold : 16; /* flow control release threshold */ + } bits; +} GMAC_CONFIG2_T; + +/* + * GMAC Configuration 3 + * GMAC0 Offset 0xA024 + * GMAC1 Offset 0xE024 + */ +typedef union { + unsigned int bits32; + struct bit1_0024 { + unsigned int set_threshold : 16; /* flow control set threshold */ + unsigned int rel_threshold : 16; /* flow control release threshold */ + } bits; +} GMAC_CONFIG3_T; + + +/* + * GMAC STATUS + * GMAC0 Offset 0xA02C + * GMAC1 Offset 0xE02C + */ +typedef union { + unsigned int bits32; + struct bit1_002c { + unsigned int link : 1; /* link status */ + unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */ + unsigned int duplex : 1; /* duplex mode */ + unsigned int reserved : 1; + unsigned int mii_rmii : 2; /* PHY interface type */ + unsigned int : 25; + } bits; +} GMAC_STATUS_T; + +#define GMAC_SPEED_10 0 +#define GMAC_SPEED_100 1 +#define GMAC_SPEED_1000 2 + +#define GMAC_PHY_MII 0 +#define GMAC_PHY_GMII 1 +#define GMAC_PHY_RGMII_100_10 2 +#define GMAC_PHY_RGMII_1000 3 + +/* + * Queue Header + * (1) TOE Queue Header + * (2) Non-TOE Queue Header + * (3) Interrupt Queue Header + * + * memory Layout + * TOE Queue Header + * 0x60003000 +---------------------------+ 0x0000 + * | TOE Queue 0 Header | + * | 8 * 4 Bytes | + * +---------------------------+ 0x0020 + * | TOE Queue 1 Header | + * | 8 * 4 Bytes | + * +---------------------------+ 0x0040 + * | ...... | + * | | + * +---------------------------+ + * + * Non TOE Queue Header + * 0x60002000 +---------------------------+ 0x0000 + * | Default Queue 0 Header | + * | 2 * 4 Bytes | + * +---------------------------+ 0x0008 + * | Default Queue 1 Header | + * | 2 * 4 Bytes | + * +---------------------------+ 0x0010 + * | Classification Queue 0 | + * | 2 * 4 Bytes | + * +---------------------------+ + * | Classification Queue 1 | + * | 2 * 4 Bytes | + * +---------------------------+ (n * 8 + 0x10) + * | ... | + * | 2 * 4 Bytes | + * +---------------------------+ (13 * 8 + 0x10) + * | Classification Queue 13 | + * | 2 * 4 Bytes | + * +---------------------------+ 0x80 + * | Interrupt Queue 0 | + * | 2 * 4 Bytes | + * +---------------------------+ + * | Interrupt Queue 1 | + * | 2 * 4 Bytes | + * +---------------------------+ + * | Interrupt Queue 2 | + * | 2 * 4 Bytes | + * +---------------------------+ + * | Interrupt Queue 3 | + * | 2 * 4 Bytes | + * +---------------------------+ + * + */ +#define TOE_QUEUE_HDR_ADDR(n) (TOE_TOE_QUE_HDR_BASE + n * 32) +#define TOE_Q_HDR_AREA_END (TOE_QUEUE_HDR_ADDR(TOE_TOE_QUEUE_MAX + 1)) +#define TOE_DEFAULT_Q_HDR_BASE(x) (TOE_NONTOE_QUE_HDR_BASE + 0x08 * (x)) +#define TOE_CLASS_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x10) +#define TOE_INTR_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x80) +#define INTERRUPT_QUEUE_HDR_ADDR(n) (TOE_INTR_Q_HDR_BASE + n * 8) +#define NONTOE_Q_HDR_AREA_END (INTERRUPT_QUEUE_HDR_ADDR(TOE_INTR_QUEUE_MAX + 1)) +/* + * TOE Queue Header Word 0 + */ +typedef union { + unsigned int bits32; + unsigned int base_size; +} TOE_QHDR0_T; + +#define TOE_QHDR0_BASE_MASK (~0x0f) + +/* + * TOE Queue Header Word 1 + */ +typedef union { + unsigned int bits32; + struct bit_qhdr1 { + unsigned int rptr : 16; /* bit 15:0 */ + unsigned int wptr : 16; /* bit 31:16 */ + } bits; +} TOE_QHDR1_T; + +/* + * TOE Queue Header Word 2 + */ +typedef union { + unsigned int bits32; + struct bit_qhdr2 { + unsigned int TotalPktSize : 17; /* bit 16: 0 Total packet size */ + unsigned int reserved : 7; /* bit 23:17 */ + unsigned int dack : 1; /* bit 24 1: Duplicated ACK */ + unsigned int abn : 1; /* bit 25 1: Abnormal case Found */ + unsigned int tcp_opt : 1; /* bit 26 1: Have TCP option */ + unsigned int ip_opt : 1; /* bit 27 1: have IPV4 option or IPV6 Extension header */ + unsigned int sat : 1; /* bit 28 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold */ + unsigned int osq : 1; /* bit 29 1: out of sequence */ + unsigned int ctl : 1; /* bit 30 1: have control flag bits (except ack) */ + unsigned int usd : 1; /* bit 31 0: if no data assembled yet */ + } bits; +} TOE_QHDR2_T; + +/* + * TOE Queue Header Word 3 + */ +typedef union { + unsigned int bits32; + unsigned int seq_num; +} TOE_QHDR3_T; + +/* + * TOE Queue Header Word 4 + */ +typedef union { + unsigned int bits32; + unsigned int ack_num; +} TOE_QHDR4_T; + +/* + * TOE Queue Header Word 5 + */ +typedef union { + unsigned int bits32; + struct bit_qhdr5 { + unsigned int AckCnt : 16; /* bit 15:0 */ + unsigned int SeqCnt : 16; /* bit 31:16 */ + } bits; +} TOE_QHDR5_T; + +/* + * TOE Queue Header Word 6 + */ +typedef union { + unsigned int bits32; + struct bit_qhdr6 { + unsigned int WinSize : 16; /* bit 15:0 */ + unsigned int iq_num : 2; /* bit 17:16 */ + unsigned int MaxPktSize : 14; /* bit 31:18 */ + } bits; +} TOE_QHDR6_T; + +/* + * TOE Queue Header Word 7 + */ +typedef union { + unsigned int bits32; + struct bit_qhdr7 { + unsigned int AckThreshold : 16; /* bit 15:0 */ + unsigned int SeqThreshold : 16; /* bit 31:16 */ + } bits; +} TOE_QHDR7_T; + +/* + * TOE Queue Header + */ +typedef struct { + TOE_QHDR0_T word0; + TOE_QHDR1_T word1; + TOE_QHDR2_T word2; + TOE_QHDR3_T word3; + TOE_QHDR4_T word4; + TOE_QHDR5_T word5; + TOE_QHDR6_T word6; + TOE_QHDR7_T word7; +} TOE_QHDR_T; + +/* + * NONTOE Queue Header Word 0 + */ +typedef union { + unsigned int bits32; + unsigned int base_size; +} NONTOE_QHDR0_T; + +#define NONTOE_QHDR0_BASE_MASK (~0x0f) + +/* + * NONTOE Queue Header Word 1 + */ +typedef union { + unsigned int bits32; + struct bit_nonqhdr1 { + unsigned int rptr : 16; /* bit 15:0 */ + unsigned int wptr : 16; /* bit 31:16 */ + } bits; +} NONTOE_QHDR1_T; + +/* + * Non-TOE Queue Header + */ +typedef struct { + NONTOE_QHDR0_T word0; + NONTOE_QHDR1_T word1; +} NONTOE_QHDR_T; + +/* + * Interrupt Queue Header Word 0 + */ +typedef union { + unsigned int bits32; + struct bit_intrqhdr0 { + unsigned int win_size : 16; /* bit 15:0 Descriptor Ring Size */ + unsigned int wptr : 16; /* bit 31:16 Write Pointer where hw stopped */ + } bits; +} INTR_QHDR0_T; + +/* + * Interrupt Queue Header Word 1 + */ +typedef union { + unsigned int bits32; + struct bit_intrqhdr1 { + unsigned int TotalPktSize : 17; /* bit 16: 0 Total packet size */ + unsigned int tcp_qid : 8; /* bit 24:17 TCP Queue ID */ + unsigned int dack : 1; /* bit 25 1: Duplicated ACK */ + unsigned int abn : 1; /* bit 26 1: Abnormal case Found */ + unsigned int tcp_opt : 1; /* bit 27 1: Have TCP option */ + unsigned int ip_opt : 1; /* bit 28 1: have IPV4 option or IPV6 Extension header */ + unsigned int sat : 1; /* bit 29 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold */ + unsigned int osq : 1; /* bit 30 1: out of sequence */ + unsigned int ctl : 1; /* bit 31 1: have control flag bits (except ack) */ + } bits; +} INTR_QHDR1_T; + +/* + * Interrupt Queue Header Word 2 + */ +typedef union { + unsigned int bits32; + unsigned int seq_num; +} INTR_QHDR2_T; + +/* + * Interrupt Queue Header Word 3 + */ +typedef union { + unsigned int bits32; + unsigned int ack_num; +} INTR_QHDR3_T; + +/* + * Interrupt Queue Header Word 4 + */ +typedef union { + unsigned int bits32; + struct bit_intrqhdr4 { + unsigned int AckCnt : 16; /* bit 15:0 Ack# change since last ack# intr. */ + unsigned int SeqCnt : 16; /* bit 31:16 Seq# change since last seq# intr. */ + } bits; +} INTR_QHDR4_T; + +/* + * Interrupt Queue Header + */ +typedef struct { + INTR_QHDR0_T word0; + INTR_QHDR1_T word1; + INTR_QHDR2_T word2; + INTR_QHDR3_T word3; + INTR_QHDR4_T word4; + unsigned int word5; + unsigned int word6; + unsigned int word7; +} INTR_QHDR_T; + +#endif /* _GMAC_SL351x_H */ diff --git a/target/linux/gemini/files-4.4/drivers/usb/host/ehci-fotg2.c b/target/linux/gemini/files-4.4/drivers/usb/host/ehci-fotg2.c new file mode 100644 index 0000000000..0717abce9c --- /dev/null +++ b/target/linux/gemini/files-4.4/drivers/usb/host/ehci-fotg2.c @@ -0,0 +1,258 @@ +/* + * Gemini EHCI Host Controller driver + * + * Copyright (C) 2014 Roman Yeryomin + * Copyright (C) 2012 Tobias Waldvogel + * based on GPLd code from Sony Computer Entertainment Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "ehci.h" + +#define DRV_NAME "ehci-fotg2" + +#define HCD_MISC 0x40 + +#define OTGC_SCR 0x80 +#define OTGC_INT_STS 0x84 +#define OTGC_INT_EN 0x88 + +#define GLOBAL_ISR 0xC0 +#define GLOBAL_ICR 0xC4 + +#define GLOBAL_INT_POLARITY (1 << 3) +#define GLOBAL_INT_MASK_HC (1 << 2) +#define GLOBAL_INT_MASK_OTG (1 << 1) +#define GLOBAL_INT_MASK_DEV (1 << 0) + +#define OTGC_SCR_ID (1 << 21) +#define OTGC_SCR_CROLE (1 << 20) +#define OTGC_SCR_VBUS_VLD (1 << 19) +#define OTGC_SCR_A_SRP_RESP_TYPE (1 << 8) +#define OTGC_SCR_A_SRP_DET_EN (1 << 7) +#define OTGC_SCR_A_SET_B_HNP_EN (1 << 6) +#define OTGC_SCR_A_BUS_DROP (1 << 5) +#define OTGC_SCR_A_BUS_REQ (1 << 4) + +#define OTGC_INT_APLGRMV (1 << 12) +#define OTGC_INT_BPLGRMV (1 << 11) +#define OTGC_INT_OVC (1 << 10) +#define OTGC_INT_IDCHG (1 << 9) +#define OTGC_INT_RLCHG (1 << 8) +#define OTGC_INT_AVBUSERR (1 << 5) +#define OTGC_INT_ASRPDET (1 << 4) +#define OTGC_INT_BSRPDN (1 << 0) + +#define OTGC_INT_A_TYPE ( \ + OTGC_INT_ASRPDET | \ + OTGC_INT_AVBUSERR | \ + OTGC_INT_OVC | \ + OTGC_INT_RLCHG | \ + OTGC_INT_IDCHG | \ + OTGC_INT_APLGRMV \ + ) +#define OTGC_INT_B_TYPE ( \ + OTGC_INT_AVBUSERR | \ + OTGC_INT_OVC | \ + OTGC_INT_RLCHG | \ + OTGC_INT_IDCHG \ + ) + + +static void fotg2_otg_init(struct usb_hcd *hcd) +{ + u32 val; + + writel(GLOBAL_INT_POLARITY | GLOBAL_INT_MASK_HC | + GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV, + hcd->regs + GLOBAL_ICR); + + val = readl(hcd->regs + OTGC_SCR); + val &= ~(OTGC_SCR_A_SRP_RESP_TYPE | OTGC_SCR_A_SRP_DET_EN | + OTGC_SCR_A_BUS_DROP | OTGC_SCR_A_SET_B_HNP_EN); + val |= OTGC_SCR_A_BUS_REQ; + writel(val, hcd->regs + OTGC_SCR); + + writel(OTGC_INT_A_TYPE, hcd->regs + OTGC_INT_EN); + + /* setup MISC register, fixes timing problems */ + val = readl(hcd->regs + HCD_MISC); + val |= 0xD; + writel(val, hcd->regs + HCD_MISC); + + writel(~0, hcd->regs + GLOBAL_ISR); + writel(~0, hcd->regs + OTGC_INT_STS); +} + +static int fotg2_ehci_reset(struct usb_hcd *hcd) +{ + int retval; + + retval = ehci_setup(hcd); + if (retval) + return retval; + + writel(GLOBAL_INT_POLARITY, hcd->regs + GLOBAL_ICR); + return 0; +} + +static const struct hc_driver fotg2_ehci_hc_driver = { + .description = hcd_name, + .product_desc = "FOTG2 EHCI Host Controller", + .hcd_priv_size = sizeof(struct ehci_hcd), + .irq = ehci_irq, + .flags = HCD_MEMORY | HCD_USB2, + .reset = fotg2_ehci_reset, + .start = ehci_run, + .stop = ehci_stop, + .shutdown = ehci_shutdown, + .urb_enqueue = ehci_urb_enqueue, + .urb_dequeue = ehci_urb_dequeue, + .endpoint_disable = ehci_endpoint_disable, + .endpoint_reset = ehci_endpoint_reset, + .get_frame_number = ehci_get_frame, + .hub_status_data = ehci_hub_status_data, + .hub_control = ehci_hub_control, +#if defined(CONFIG_PM) + .bus_suspend = ehci_bus_suspend, + .bus_resume = ehci_bus_resume, +#endif + .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, + + .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, +}; + +static irqreturn_t fotg2_ehci_irq(int irq, void *data) +{ + struct usb_hcd *hcd = data; + u32 icr, sts; + irqreturn_t retval; + + icr = readl(hcd->regs + GLOBAL_ICR); + writel(GLOBAL_INT_POLARITY | GLOBAL_INT_MASK_HC | + GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV, + hcd->regs + GLOBAL_ICR); + + retval = IRQ_NONE; + + sts = ~icr; + sts &= GLOBAL_INT_MASK_HC | GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV; + sts &= readl(hcd->regs + GLOBAL_ISR); + writel(sts, hcd->regs + GLOBAL_ISR); + + if (unlikely(sts & GLOBAL_INT_MASK_DEV)) { + ehci_warn(hcd_to_ehci(hcd), + "Received unexpected irq for device role\n"); + retval = IRQ_HANDLED; + } + + if (unlikely(sts & GLOBAL_INT_MASK_OTG)) { + u32 otg_sts; + + otg_sts = readl(hcd->regs + OTGC_INT_STS); + writel(otg_sts, hcd->regs + OTGC_INT_STS); + + ehci_warn(hcd_to_ehci(hcd), + "Received unexpected irq for OTG management\n"); + retval = IRQ_HANDLED; + } + + if (sts & GLOBAL_INT_MASK_HC) { + retval = IRQ_NONE; + } + + writel(icr, hcd->regs + GLOBAL_ICR); + return retval; +} + +static int fotg2_ehci_probe(struct platform_device *pdev) +{ + struct usb_hcd *hcd; + struct resource *res; + int irq , err; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + pr_err("no irq provided"); + return irq; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + pr_err("no memory resource provided"); + return -ENXIO; + } + + hcd = usb_create_hcd(&fotg2_ehci_hc_driver, &pdev->dev, + dev_name(&pdev->dev)); + if (!hcd) + return -ENOMEM; + + hcd->rsrc_start = res->start; + hcd->rsrc_len = resource_size(res); + + hcd->regs = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(hcd->regs)) { + err = -ENOMEM; + goto err_put_hcd; + } + + hcd->has_tt = 1; + hcd_to_ehci(hcd)->caps = hcd->regs; + + fotg2_otg_init(hcd); + + err = request_irq(irq, &fotg2_ehci_irq, IRQF_SHARED, "fotg2", hcd); + if (err) + goto err_put_hcd; + + err = usb_add_hcd(hcd, irq, IRQF_SHARED); + if (err) + goto err_put_hcd; + + platform_set_drvdata(pdev, hcd); + return 0; + +err_put_hcd: + usb_put_hcd(hcd); + return err; +} + +static int fotg2_ehci_remove(struct platform_device *pdev) +{ + struct usb_hcd *hcd = platform_get_drvdata(pdev); + + writel(GLOBAL_INT_POLARITY | GLOBAL_INT_MASK_HC | + GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV, + hcd->regs + GLOBAL_ICR); + + free_irq(hcd->irq, hcd); + usb_remove_hcd(hcd); + usb_put_hcd(hcd); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +MODULE_ALIAS("platform:" DRV_NAME); + +static struct platform_driver ehci_fotg2_driver = { + .probe = fotg2_ehci_probe, + .remove = fotg2_ehci_remove, + .driver.name = DRV_NAME, +}; diff --git a/target/linux/gemini/files-4.4/drivers/watchdog/gemini_wdt.c b/target/linux/gemini/files-4.4/drivers/watchdog/gemini_wdt.c new file mode 100644 index 0000000000..20d30b64eb --- /dev/null +++ b/target/linux/gemini/files-4.4/drivers/watchdog/gemini_wdt.c @@ -0,0 +1,378 @@ +/* + * Watchdog driver for Cortina Systems Gemini SoC + * + * Copyright (C) 2009 Paulius Zaleckas + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define GEMINI_WDCOUNTER 0x0 +#define GEMINI_WDLOAD 0x4 +#define GEMINI_WDRESTART 0x8 + +#define WDRESTART_MAGIC 0x5AB9 + +#define GEMINI_WDCR 0xC + +#define WDCR_CLOCK_5MHZ (1 << 4) +#define WDCR_SYS_RST (1 << 1) +#define WDCR_ENABLE (1 << 0) + +#define WDT_CLOCK 5000000 /* 5 MHz */ +#define WDT_DEFAULT_TIMEOUT 13 +#define WDT_MAX_TIMEOUT (0xFFFFFFFF / WDT_CLOCK) + +/* status bits */ +#define WDT_ACTIVE 0 +#define WDT_OK_TO_CLOSE 1 + +static unsigned int timeout = WDT_DEFAULT_TIMEOUT; +static int nowayout = WATCHDOG_NOWAYOUT; + +static DEFINE_SPINLOCK(gemini_wdt_lock); + +static struct platform_device *gemini_wdt_dev; + +struct gemini_wdt_struct { + struct resource *res; + struct device *dev; + void __iomem *base; + unsigned long status; +}; + +static struct watchdog_info gemini_wdt_info = { + .identity = "Gemini watchdog", + .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING | + WDIOF_SETTIMEOUT, +}; + +/* Disable the watchdog. */ +static void gemini_wdt_stop(struct gemini_wdt_struct *gemini_wdt) +{ + spin_lock(&gemini_wdt_lock); + + __raw_writel(0, gemini_wdt->base + GEMINI_WDCR); + + clear_bit(WDT_ACTIVE, &gemini_wdt->status); + + spin_unlock(&gemini_wdt_lock); +} + +/* Service the watchdog */ +static void gemini_wdt_service(struct gemini_wdt_struct *gemini_wdt) +{ + __raw_writel(WDRESTART_MAGIC, gemini_wdt->base + GEMINI_WDRESTART); +} + +/* Enable and reset the watchdog. */ +static void gemini_wdt_start(struct gemini_wdt_struct *gemini_wdt) +{ + spin_lock(&gemini_wdt_lock); + + __raw_writel(timeout * WDT_CLOCK, gemini_wdt->base + GEMINI_WDLOAD); + + gemini_wdt_service(gemini_wdt); + + /* set clock before enabling */ + __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST, + gemini_wdt->base + GEMINI_WDCR); + + __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE, + gemini_wdt->base + GEMINI_WDCR); + + set_bit(WDT_ACTIVE, &gemini_wdt->status); + + spin_unlock(&gemini_wdt_lock); +} + +/* Watchdog device is opened, and watchdog starts running. */ +static int gemini_wdt_open(struct inode *inode, struct file *file) +{ + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(gemini_wdt_dev); + + if (test_bit(WDT_ACTIVE, &gemini_wdt->status)) + return -EBUSY; + + file->private_data = gemini_wdt; + + gemini_wdt_start(gemini_wdt); + + return nonseekable_open(inode, file); +} + +/* Close the watchdog device. */ +static int gemini_wdt_close(struct inode *inode, struct file *file) +{ + struct gemini_wdt_struct *gemini_wdt = file->private_data; + + /* Disable the watchdog if possible */ + if (test_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status)) + gemini_wdt_stop(gemini_wdt); + else + dev_warn(gemini_wdt->dev, "Device closed unexpectedly - timer will not stop\n"); + + return 0; +} + +/* Handle commands from user-space. */ +static long gemini_wdt_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct gemini_wdt_struct *gemini_wdt = file->private_data; + + int value; + + switch (cmd) { + case WDIOC_KEEPALIVE: + gemini_wdt_service(gemini_wdt); + return 0; + + case WDIOC_GETSUPPORT: + return copy_to_user((struct watchdog_info *)arg, &gemini_wdt_info, + sizeof(gemini_wdt_info)) ? -EFAULT : 0; + + case WDIOC_SETTIMEOUT: + if (get_user(value, (int *)arg)) + return -EFAULT; + + if ((value < 1) || (value > WDT_MAX_TIMEOUT)) + return -EINVAL; + + timeout = value; + + /* restart wdt to use new timeout */ + gemini_wdt_stop(gemini_wdt); + gemini_wdt_start(gemini_wdt); + + /* Fall through */ + case WDIOC_GETTIMEOUT: + return put_user(timeout, (int *)arg); + + case WDIOC_GETTIMELEFT: + value = __raw_readl(gemini_wdt->base + GEMINI_WDCOUNTER); + return put_user(value / WDT_CLOCK, (int *)arg); + + default: + return -ENOTTY; + } +} + +/* Refresh the watchdog whenever device is written to. */ +static ssize_t gemini_wdt_write(struct file *file, const char *data, + size_t len, loff_t *ppos) +{ + struct gemini_wdt_struct *gemini_wdt = file->private_data; + + if (len) { + if (!nowayout) { + size_t i; + + clear_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status); + for (i = 0; i != len; i++) { + char c; + + if (get_user(c, data + i)) + return -EFAULT; + if (c == 'V') + set_bit(WDT_OK_TO_CLOSE, + &gemini_wdt->status); + } + } + gemini_wdt_service(gemini_wdt); + } + + return len; +} + +static const struct file_operations gemini_wdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .unlocked_ioctl = gemini_wdt_ioctl, + .open = gemini_wdt_open, + .release = gemini_wdt_close, + .write = gemini_wdt_write, +}; + +static struct miscdevice gemini_wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &gemini_wdt_fops, +}; + +static void gemini_wdt_shutdown(struct platform_device *pdev) +{ + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev); + + gemini_wdt_stop(gemini_wdt); +} + +static int gemini_wdt_probe(struct platform_device *pdev) +{ + int ret; + int res_size; + struct resource *res; + void __iomem *base; + struct gemini_wdt_struct *gemini_wdt; + unsigned int reg; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "can't get device resources\n"); + return -ENODEV; + } + + res_size = resource_size(res); + if (!request_mem_region(res->start, res_size, res->name)) { + dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n", + res_size, res->start); + return -ENOMEM; + } + + base = ioremap(res->start, res_size); + if (!base) { + dev_err(&pdev->dev, "ioremap failed\n"); + ret = -EIO; + goto fail0; + } + + gemini_wdt = kzalloc(sizeof(struct gemini_wdt_struct), GFP_KERNEL); + if (!gemini_wdt) { + dev_err(&pdev->dev, "can't allocate interface\n"); + ret = -ENOMEM; + goto fail1; + } + + /* Setup gemini_wdt driver structure */ + gemini_wdt->base = base; + gemini_wdt->res = res; + + /* Set up platform driver data */ + platform_set_drvdata(pdev, gemini_wdt); + gemini_wdt_dev = pdev; + + if (gemini_wdt_miscdev.parent) { + ret = -EBUSY; + goto fail2; + } + + gemini_wdt_miscdev.parent = &pdev->dev; + + reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR); + if (reg & WDCR_ENABLE) { + /* Watchdog was enabled by the bootloader, disable it. */ + reg &= ~(WDCR_ENABLE); + __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR); + } + + ret = misc_register(&gemini_wdt_miscdev); + if (ret) + goto fail2; + + return 0; + +fail2: + platform_set_drvdata(pdev, NULL); + kfree(gemini_wdt); +fail1: + iounmap(base); +fail0: + release_mem_region(res->start, res_size); + + return ret; +} + +static int gemini_wdt_remove(struct platform_device *pdev) +{ + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev); + + platform_set_drvdata(pdev, NULL); + misc_deregister(&gemini_wdt_miscdev); + gemini_wdt_dev = NULL; + iounmap(gemini_wdt->base); + release_mem_region(gemini_wdt->res->start, resource_size(gemini_wdt->res)); + + kfree(gemini_wdt); + + return 0; +} + +#ifdef CONFIG_PM +static int gemini_wdt_suspend(struct platform_device *pdev, pm_message_t message) +{ + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev); + unsigned int reg; + + reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR); + reg &= ~(WDCR_WDENABLE); + __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR); + + return 0; +} + +static int gemini_wdt_resume(struct platform_device *pdev) +{ + struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev); + unsigned int reg; + + if (gemini_wdt->status) { + reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR); + reg |= WDCR_WDENABLE; + __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR); + } + + return 0; +} +#else +#define gemini_wdt_suspend NULL +#define gemini_wdt_resume NULL +#endif + +static struct platform_driver gemini_wdt_driver = { + .probe = gemini_wdt_probe, + .remove = gemini_wdt_remove, + .shutdown = gemini_wdt_shutdown, + .suspend = gemini_wdt_suspend, + .resume = gemini_wdt_resume, + .driver = { + .name = "gemini-wdt", + .owner = THIS_MODULE, + }, +}; + +static int __init gemini_wdt_init(void) +{ + return platform_driver_probe(&gemini_wdt_driver, gemini_wdt_probe); +} + +static void __exit gemini_wdt_exit(void) +{ + platform_driver_unregister(&gemini_wdt_driver); +} + +module_init(gemini_wdt_init); +module_exit(gemini_wdt_exit); + +module_param(timeout, uint, 0); +MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds"); + +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started"); + +MODULE_AUTHOR("Paulius Zaleckas"); +MODULE_DESCRIPTION("Watchdog driver for Gemini"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); +MODULE_ALIAS("platform:gemini-wdt"); diff --git a/target/linux/gemini/patches-4.4/050-gpio-to-irq.patch b/target/linux/gemini/patches-4.4/050-gpio-to-irq.patch new file mode 100644 index 0000000000..7572849864 --- /dev/null +++ b/target/linux/gemini/patches-4.4/050-gpio-to-irq.patch @@ -0,0 +1,21 @@ +--- a/arch/arm/mach-gemini/gpio.c ++++ b/arch/arm/mach-gemini/gpio.c +@@ -196,12 +196,18 @@ static int gemini_gpio_direction_output( + return 0; + } + ++static int gemini_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) ++{ ++ return gpio + GPIO_IRQ_BASE; ++} ++ + static struct gpio_chip gemini_gpio_chip = { + .label = "Gemini", + .direction_input = gemini_gpio_direction_input, + .get = gemini_gpio_get, + .direction_output = gemini_gpio_direction_output, + .set = gemini_gpio_set, ++ .to_irq = gemini_gpio_to_irq, + .base = 0, + .ngpio = GPIO_PORT_NUM * 32, + }; diff --git a/target/linux/gemini/patches-4.4/060-cache-fa.diff b/target/linux/gemini/patches-4.4/060-cache-fa.diff new file mode 100644 index 0000000000..fc74c0af88 --- /dev/null +++ b/target/linux/gemini/patches-4.4/060-cache-fa.diff @@ -0,0 +1,41 @@ +--- a/arch/arm/mm/cache-fa.S ++++ b/arch/arm/mm/cache-fa.S +@@ -24,7 +24,8 @@ + /* + * The size of one data cache line. + */ +-#define CACHE_DLINESIZE 16 ++#define CACHE_DLINESIZE 16 ++#define CACHE_DLINESHIFT 4 + + /* + * The total size of the data cache. +@@ -169,7 +170,17 @@ ENTRY(fa_flush_kern_dcache_area) + * - start - virtual start address + * - end - virtual end address + */ ++__flush_whole_dcache: ++ mcr p15, 0, r0, c7, c14, 0 @ clean/invalidate D cache ++ mov r0, #0 ++ mcr p15, 0, r0, c7, c10, 4 @ drain write buffer ++ mov pc, lr ++ + fa_dma_inv_range: ++ sub r3, r1, r0 @ calculate total size ++ cmp r3, #CACHE_DLIMIT @ total size >= limit? ++ bhs __flush_whole_dcache @ flush whole D cache ++ + tst r0, #CACHE_DLINESIZE - 1 + bic r0, r0, #CACHE_DLINESIZE - 1 + mcrne p15, 0, r0, c7, c14, 1 @ clean & invalidate D entry +@@ -193,6 +204,10 @@ fa_dma_inv_range: + * - end - virtual end address + */ + fa_dma_clean_range: ++ sub r3, r1, r0 @ calculate total size ++ cmp r3, #CACHE_DLIMIT @ total size >= limit? ++ bhs __flush_whole_dcache @ flush whole D cache ++ + bic r0, r0, #CACHE_DLINESIZE - 1 + 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry + add r0, r0, #CACHE_DLINESIZE diff --git a/target/linux/gemini/patches-4.4/110-watchdog-add-gemini_wdt-driver.patch b/target/linux/gemini/patches-4.4/110-watchdog-add-gemini_wdt-driver.patch new file mode 100644 index 0000000000..bb66ae4dd0 --- /dev/null +++ b/target/linux/gemini/patches-4.4/110-watchdog-add-gemini_wdt-driver.patch @@ -0,0 +1,29 @@ +--- a/drivers/watchdog/Kconfig ++++ b/drivers/watchdog/Kconfig +@@ -229,6 +229,16 @@ config 977_WATCHDOG + + Not sure? It's safe to say N. + ++config GEMINI_WATCHDOG ++ tristate "Gemini watchdog" ++ depends on ARCH_GEMINI ++ help ++ Say Y here if to include support for the watchdog timer ++ embedded in the Cortina Systems Gemini family of devices. ++ ++ To compile this driver as a module, choose M here: the ++ module will be called gemini_wdt. ++ + config IXP4XX_WATCHDOG + tristate "IXP4xx Watchdog" + depends on ARCH_IXP4XX +--- a/drivers/watchdog/Makefile ++++ b/drivers/watchdog/Makefile +@@ -37,6 +37,7 @@ obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt. + obj-$(CONFIG_TWL4030_WATCHDOG) += twl4030_wdt.o + obj-$(CONFIG_21285_WATCHDOG) += wdt285.o + obj-$(CONFIG_977_WATCHDOG) += wdt977.o ++obj-$(CONFIG_GEMINI_WATCHDOG) += gemini_wdt.o + obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o + obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o + obj-$(CONFIG_S3C2410_WATCHDOG) += s3c2410_wdt.o diff --git a/target/linux/gemini/patches-4.4/111-arm-gemini-add-watchdog-device.patch b/target/linux/gemini/patches-4.4/111-arm-gemini-add-watchdog-device.patch new file mode 100644 index 0000000000..ab32e9e844 --- /dev/null +++ b/target/linux/gemini/patches-4.4/111-arm-gemini-add-watchdog-device.patch @@ -0,0 +1,33 @@ +--- a/arch/arm/mach-gemini/devices.c ++++ b/arch/arm/mach-gemini/devices.c +@@ -116,3 +116,20 @@ int __init platform_register_rtc(void) + return platform_device_register(&gemini_rtc_device); + } + ++static struct resource wdt_resource = { ++ .start = GEMINI_WAQTCHDOG_BASE, ++ .end = GEMINI_WAQTCHDOG_BASE + 0x18, ++ .flags = IORESOURCE_MEM, ++}; ++ ++static struct platform_device wdt_device = { ++ .name = "gemini-wdt", ++ .id = 0, ++ .resource = &wdt_resource, ++ .num_resources = 1, ++}; ++ ++int __init platform_register_watchdog(void) ++{ ++ return platform_device_register(&wdt_device); ++} +--- a/arch/arm/mach-gemini/common.h ++++ b/arch/arm/mach-gemini/common.h +@@ -27,6 +27,7 @@ extern int platform_register_uart(void); + extern int platform_register_pflash(unsigned int size, + struct mtd_partition *parts, + unsigned int nr_parts); ++extern int platform_register_watchdog(void); + + extern void gemini_restart(enum reboot_mode mode, const char *cmd); + diff --git a/target/linux/gemini/patches-4.4/112-arm-gemini-register-watchdog-devices.patch b/target/linux/gemini/patches-4.4/112-arm-gemini-register-watchdog-devices.patch new file mode 100644 index 0000000000..d7660be4ec --- /dev/null +++ b/target/linux/gemini/patches-4.4/112-arm-gemini-register-watchdog-devices.patch @@ -0,0 +1,40 @@ +--- a/arch/arm/mach-gemini/board-nas4220b.c ++++ b/arch/arm/mach-gemini/board-nas4220b.c +@@ -94,6 +94,7 @@ static void __init ib4220b_init(void) + platform_device_register(&ib4220b_led_device); + platform_device_register(&ib4220b_key_device); + platform_register_rtc(); ++ platform_register_watchdog(); + } + + MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B") +--- a/arch/arm/mach-gemini/board-wbd111.c ++++ b/arch/arm/mach-gemini/board-wbd111.c +@@ -121,6 +121,7 @@ static void __init wbd111_init(void) + platform_device_register(&wbd111_leds_device); + platform_device_register(&wbd111_keys_device); + platform_register_rtc(); ++ platform_register_watchdog(); + } + + MACHINE_START(WBD111, "Wiliboard WBD-111") +--- a/arch/arm/mach-gemini/board-wbd222.c ++++ b/arch/arm/mach-gemini/board-wbd222.c +@@ -121,6 +121,7 @@ static void __init wbd222_init(void) + platform_device_register(&wbd222_leds_device); + platform_device_register(&wbd222_keys_device); + platform_register_rtc(); ++ platform_register_watchdog(); + } + + MACHINE_START(WBD222, "Wiliboard WBD-222") +--- a/arch/arm/mach-gemini/board-rut1xx.c ++++ b/arch/arm/mach-gemini/board-rut1xx.c +@@ -80,6 +80,7 @@ static void __init rut1xx_init(void) + platform_device_register(&rut1xx_leds); + platform_device_register(&rut1xx_keys_device); + platform_register_rtc(); ++ platform_register_watchdog(); + } + + MACHINE_START(RUT100, "Teltonika RUT100") diff --git a/target/linux/gemini/patches-4.4/120-net-add-gemini-gmac-driver.patch b/target/linux/gemini/patches-4.4/120-net-add-gemini-gmac-driver.patch new file mode 100644 index 0000000000..be11ae2423 --- /dev/null +++ b/target/linux/gemini/patches-4.4/120-net-add-gemini-gmac-driver.patch @@ -0,0 +1,20 @@ +--- a/drivers/net/ethernet/Kconfig ++++ b/drivers/net/ethernet/Kconfig +@@ -73,6 +73,7 @@ source "drivers/net/ethernet/neterion/Kc + source "drivers/net/ethernet/faraday/Kconfig" + source "drivers/net/ethernet/freescale/Kconfig" + source "drivers/net/ethernet/fujitsu/Kconfig" ++source "drivers/net/ethernet/gemini/Kconfig" + source "drivers/net/ethernet/hisilicon/Kconfig" + source "drivers/net/ethernet/hp/Kconfig" + source "drivers/net/ethernet/ibm/Kconfig" +--- a/drivers/net/ethernet/Makefile ++++ b/drivers/net/ethernet/Makefile +@@ -36,6 +36,7 @@ obj-$(CONFIG_NET_VENDOR_EXAR) += neterio + obj-$(CONFIG_NET_VENDOR_FARADAY) += faraday/ + obj-$(CONFIG_NET_VENDOR_FREESCALE) += freescale/ + obj-$(CONFIG_NET_VENDOR_FUJITSU) += fujitsu/ ++obj-$(CONFIG_NET_VENDOR_GEMINI) += gemini/ + obj-$(CONFIG_NET_VENDOR_HISILICON) += hisilicon/ + obj-$(CONFIG_NET_VENDOR_HP) += hp/ + obj-$(CONFIG_NET_VENDOR_IBM) += ibm/ diff --git a/target/linux/gemini/patches-4.4/121-arm-gemini-add-gmac-device.patch b/target/linux/gemini/patches-4.4/121-arm-gemini-add-gmac-device.patch new file mode 100644 index 0000000000..6e77224906 --- /dev/null +++ b/target/linux/gemini/patches-4.4/121-arm-gemini-add-gmac-device.patch @@ -0,0 +1,85 @@ +--- a/arch/arm/mach-gemini/common.h ++++ b/arch/arm/mach-gemini/common.h +@@ -15,6 +15,7 @@ + #include + + struct mtd_partition; ++struct gemini_gmac_platform_data; + + extern void gemini_map_io(void); + extern void gemini_init_irq(void); +@@ -28,6 +29,7 @@ extern int platform_register_pflash(unsi + struct mtd_partition *parts, + unsigned int nr_parts); + extern int platform_register_watchdog(void); ++extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata); + + extern void gemini_restart(enum reboot_mode mode, const char *cmd); + +--- a/arch/arm/mach-gemini/devices.c ++++ b/arch/arm/mach-gemini/devices.c +@@ -17,6 +17,7 @@ + #include + #include + #include ++#include + + static struct plat_serial8250_port serial_platform_data[] = { + { +@@ -133,3 +134,56 @@ int __init platform_register_watchdog(vo + { + return platform_device_register(&wdt_device); + } ++ ++static struct resource gmac_resources[] = { ++ { ++ .start = GEMINI_TOE_BASE, ++ .end = GEMINI_TOE_BASE + 0xffff, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = IRQ_GMAC0, ++ .end = IRQ_GMAC0, ++ .flags = IORESOURCE_IRQ, ++ }, ++ { ++ .start = IRQ_GMAC1, ++ .end = IRQ_GMAC1, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static u64 gmac_dmamask = 0xffffffffUL; ++ ++static struct platform_device ethernet_device = { ++ .name = "gmac-gemini", ++ .id = 0, ++ .dev = { ++ .dma_mask = &gmac_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .num_resources = ARRAY_SIZE(gmac_resources), ++ .resource = gmac_resources, ++}; ++ ++int platform_register_ethernet(struct gemini_gmac_platform_data *pdata) ++{ ++ unsigned int reg; ++ ++ reg = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_MISC_CTRL)); ++ ++ reg &= ~(GMAC_GMII | GMAC_1_ENABLE); ++ ++ if (pdata->bus_id[1]) ++ reg |= GMAC_1_ENABLE; ++ else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII) ++ reg |= GMAC_GMII; ++ ++ writel(reg, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_MISC_CTRL)); ++ ++ ethernet_device.dev.platform_data = pdata; ++ ++ return platform_device_register(ðernet_device); ++} diff --git a/target/linux/gemini/patches-4.4/122-arm-gemini-register-ethernet.patch b/target/linux/gemini/patches-4.4/122-arm-gemini-register-ethernet.patch new file mode 100644 index 0000000000..1cd9efc20f --- /dev/null +++ b/target/linux/gemini/patches-4.4/122-arm-gemini-register-ethernet.patch @@ -0,0 +1,227 @@ +--- a/arch/arm/mach-gemini/board-nas4220b.c ++++ b/arch/arm/mach-gemini/board-nas4220b.c +@@ -19,6 +19,7 @@ + #include + #include + #include ++#include + + #include + #include +@@ -27,9 +28,27 @@ + + #include + #include ++#include + + #include "common.h" + ++static struct mdio_gpio_platform_data ib4220b_mdio = { ++ .mdc = 22, ++ .mdio = 21, ++ .phy_mask = ~(1 << 1), ++}; ++ ++static struct platform_device ib4220b_phy_device = { ++ .name = "mdio-gpio", ++ .id = 0, ++ .dev = { .platform_data = &ib4220b_mdio, }, ++}; ++ ++static struct gemini_gmac_platform_data ib4220b_gmac_data = { ++ .bus_id[0] = "gpio-0:01", ++ .interface[0] = PHY_INTERFACE_MODE_RGMII, ++}; ++ + static struct gpio_led ib4220b_leds[] = { + { + .name = "nas4220b:orange:hdd", +@@ -86,15 +105,47 @@ static struct platform_device ib4220b_ke + }, + }; + ++static void __init ib4220b_gmac_init(void) ++{ ++ unsigned int val; ++ ++ val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_IO_DRIVING_CTRL)); ++ val |= (0x3 << GMAC0_PADS_SHIFT) | (0x3 << GMAC1_PADS_SHIFT); ++ writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_IO_DRIVING_CTRL)); ++ ++ val = (0x0 << GMAC0_RXDV_SKEW_SHIFT) | (0xf << GMAC0_RXC_SKEW_SHIFT) | ++ (0x7 << GMAC0_TXEN_SKEW_SHIFT) | (0xb << GMAC0_TXC_SKEW_SHIFT) | ++ (0x0 << GMAC1_RXDV_SKEW_SHIFT) | (0xf << GMAC1_RXC_SKEW_SHIFT) | ++ (0x7 << GMAC1_TXEN_SKEW_SHIFT) | (0xa << GMAC1_TXC_SKEW_SHIFT); ++ writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_GMAC_CTRL_SKEW_CTRL)); ++ ++ writel(0x77777777, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_GMAC0_DATA_SKEW_CTRL)); ++ writel(0x77777777, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_GMAC1_DATA_SKEW_CTRL)); ++ ++ val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_ARBITRATION1_CTRL)) & ~BURST_LENGTH_MASK; ++ val |= (0x20 << BURST_LENGTH_SHIFT) | GMAC0_HIGH_PRIO | GMAC1_HIGH_PRIO; ++ writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_ARBITRATION1_CTRL)); ++} ++ + static void __init ib4220b_init(void) + { + gemini_gpio_init(); ++ ib4220b_gmac_init(); + platform_register_uart(); + platform_register_pflash(SZ_16M, NULL, 0); + platform_device_register(&ib4220b_led_device); + platform_device_register(&ib4220b_key_device); + platform_register_rtc(); + platform_register_watchdog(); ++ platform_device_register(&ib4220b_phy_device); ++ platform_register_ethernet(&ib4220b_gmac_data); + } + + MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B") +--- a/arch/arm/mach-gemini/board-wbd111.c ++++ b/arch/arm/mach-gemini/board-wbd111.c +@@ -17,13 +17,34 @@ + #include + #include + #include ++#include + #include + #include + #include + ++#include + + #include "common.h" + ++static struct mdio_gpio_platform_data wbd111_mdio = { ++ .mdc = 22, ++ .mdio = 21, ++ .phy_mask = ~(1 << 1), ++}; ++ ++static struct platform_device wbd111_phy_device = { ++ .name = "mdio-gpio", ++ .id = 0, ++ .dev = { ++ .platform_data = &wbd111_mdio, ++ }, ++}; ++ ++static struct gemini_gmac_platform_data gmac_data = { ++ .bus_id[0] = "gpio-0:01", ++ .interface[0] = PHY_INTERFACE_MODE_MII, ++}; ++ + static struct gpio_keys_button wbd111_keys[] = { + { + .code = KEY_SETUP, +@@ -122,6 +143,8 @@ static void __init wbd111_init(void) + platform_device_register(&wbd111_keys_device); + platform_register_rtc(); + platform_register_watchdog(); ++ platform_device_register(&wbd111_phy_device); ++ platform_register_ethernet(&gmac_data); + } + + MACHINE_START(WBD111, "Wiliboard WBD-111") +--- a/arch/arm/mach-gemini/board-wbd222.c ++++ b/arch/arm/mach-gemini/board-wbd222.c +@@ -17,13 +17,36 @@ + #include + #include + #include ++#include + #include + #include + #include + ++#include + + #include "common.h" + ++static struct mdio_gpio_platform_data wbd222_mdio = { ++ .mdc = 22, ++ .mdio = 21, ++ .phy_mask = ~((1 << 1) | (1 << 3)), ++}; ++ ++static struct platform_device wbd222_phy_device = { ++ .name = "mdio-gpio", ++ .id = 0, ++ .dev = { ++ .platform_data = &wbd222_mdio, ++ }, ++}; ++ ++static struct gemini_gmac_platform_data gmac_data = { ++ .bus_id[0] = "gpio-0:01", ++ .interface[0] = PHY_INTERFACE_MODE_MII, ++ .bus_id[1] = "gpio-0:03", ++ .interface[1] = PHY_INTERFACE_MODE_MII, ++}; ++ + static struct gpio_keys_button wbd222_keys[] = { + { + .code = KEY_SETUP, +@@ -122,6 +145,8 @@ static void __init wbd222_init(void) + platform_device_register(&wbd222_keys_device); + platform_register_rtc(); + platform_register_watchdog(); ++ platform_device_register(&wbd222_phy_device); ++ platform_register_ethernet(&gmac_data); + } + + MACHINE_START(WBD222, "Wiliboard WBD-222") +--- a/arch/arm/mach-gemini/board-rut1xx.c ++++ b/arch/arm/mach-gemini/board-rut1xx.c +@@ -15,13 +15,35 @@ + #include + #include + #include ++#include + + #include + #include + #include + ++#include ++ + #include "common.h" + ++static struct mdio_gpio_platform_data rut1xx_mdio = { ++ .mdc = 22, ++ .mdio = 21, ++ .phy_mask = ~(1 << 1), ++}; ++ ++static struct platform_device rut1xx_phy_device = { ++ .name = "mdio-gpio", ++ .id = 0, ++ .dev = { ++ .platform_data = &rut1xx_mdio, ++ }, ++}; ++ ++static struct gemini_gmac_platform_data gmac_data = { ++ .bus_id[0] = "gpio-0:01", ++ .interface[0] = PHY_INTERFACE_MODE_MII, ++}; ++ + static struct gpio_keys_button rut1xx_keys[] = { + { + .code = KEY_SETUP, +@@ -81,6 +103,8 @@ static void __init rut1xx_init(void) + platform_device_register(&rut1xx_keys_device); + platform_register_rtc(); + platform_register_watchdog(); ++ platform_device_register(&rut1xx_phy_device); ++ platform_register_ethernet(&gmac_data); + } + + MACHINE_START(RUT100, "Teltonika RUT100") diff --git a/target/linux/gemini/patches-4.4/130-usb-ehci-add-fot2g-driver.patch b/target/linux/gemini/patches-4.4/130-usb-ehci-add-fot2g-driver.patch new file mode 100644 index 0000000000..2192ad69ba --- /dev/null +++ b/target/linux/gemini/patches-4.4/130-usb-ehci-add-fot2g-driver.patch @@ -0,0 +1,133 @@ +--- a/drivers/usb/host/ehci-hcd.c ++++ b/drivers/usb/host/ehci-hcd.c +@@ -352,11 +352,13 @@ static void ehci_silence_controller(stru + ehci->rh_state = EHCI_RH_HALTED; + ehci_turn_off_all_ports(ehci); + ++#ifndef CONFIG_ARCH_GEMINI + /* make BIOS/etc use companion controller during reboot */ + ehci_writel(ehci, 0, &ehci->regs->configured_flag); + + /* unblock posted writes */ + ehci_readl(ehci, &ehci->regs->configured_flag); ++#endif + spin_unlock_irq(&ehci->lock); + } + +@@ -608,7 +610,9 @@ static int ehci_run (struct usb_hcd *hcd + // Philips, Intel, and maybe others need CMD_RUN before the + // root hub will detect new devices (why?); NEC doesn't + ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET); ++#ifndef CONFIG_ARCH_GEMINI + ehci->command |= CMD_RUN; ++#endif + ehci_writel(ehci, ehci->command, &ehci->regs->command); + dbg_cmd (ehci, "init", ehci->command); + +@@ -628,9 +632,11 @@ static int ehci_run (struct usb_hcd *hcd + */ + down_write(&ehci_cf_port_reset_rwsem); + ehci->rh_state = EHCI_RH_RUNNING; ++#ifndef CONFIG_ARCH_GEMINI + ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag); + ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */ + msleep(5); ++#endif + up_write(&ehci_cf_port_reset_rwsem); + ehci->last_periodic_enable = ktime_get_real(); + +@@ -768,9 +774,10 @@ static irqreturn_t ehci_irq (struct usb_ + pcd_status = status; + + /* resume root hub? */ ++#ifndef CONFIG_ARCH_GEMINI + if (ehci->rh_state == EHCI_RH_SUSPENDED) + usb_hcd_resume_root_hub(hcd); +- ++#endif + /* get per-port change detect bits */ + if (ehci->has_ppcd) + ppcd = status >> 16; +@@ -1296,6 +1303,11 @@ MODULE_LICENSE ("GPL"); + #define PLATFORM_DRIVER ehci_hcd_sead3_driver + #endif + ++#ifdef CONFIG_ARCH_GEMINI ++#include "ehci-fotg2.c" ++#define PLATFORM_DRIVER ehci_fotg2_driver ++#endif ++ + static int __init ehci_hcd_init(void) + { + int retval = 0; +--- a/drivers/usb/host/ehci-timer.c ++++ b/drivers/usb/host/ehci-timer.c +@@ -208,7 +208,9 @@ static void ehci_handle_controller_death + + /* Clean up the mess */ + ehci->rh_state = EHCI_RH_HALTED; ++#ifndef CONFIG_ARCH_GEMINI + ehci_writel(ehci, 0, &ehci->regs->configured_flag); ++#endif + ehci_writel(ehci, 0, &ehci->regs->intr_enable); + ehci_work(ehci); + end_unlink_async(ehci); +--- a/drivers/usb/host/ehci.h ++++ b/drivers/usb/host/ehci.h +@@ -657,7 +657,12 @@ static inline unsigned int + ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc) + { + if (ehci_is_TDI(ehci)) { +- switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) { ++#ifdef CONFIG_ARCH_GEMINI ++ portsc = readl(ehci_to_hcd(ehci)->regs + 0x80); ++ switch ((portsc>>22)&3) { ++#else ++ switch ((portsc>>26)&3) { ++#endif + case 0: + return 0; + case 1: +--- a/drivers/usb/host/ehci-hub.c ++++ b/drivers/usb/host/ehci-hub.c +@@ -1076,6 +1076,11 @@ int ehci_hub_control( + /* see what we found out */ + temp = check_reset_complete (ehci, wIndex, status_reg, + ehci_readl(ehci, status_reg)); ++#ifdef CONFIG_ARCH_GEMINI ++ /* restart schedule */ ++ ehci->command |= CMD_RUN; ++ ehci_writel(ehci, ehci->command, &ehci->regs->command); ++#endif + } + + /* transfer dedicated ports to the companion hc */ +--- a/include/linux/usb/ehci_def.h ++++ b/include/linux/usb/ehci_def.h +@@ -112,8 +112,13 @@ struct ehci_regs { + u32 frame_list; /* points to periodic list */ + /* ASYNCLISTADDR: offset 0x18 */ + u32 async_next; /* address of next async queue head */ +- ++#ifndef CONFIG_ARCH_GEMINI + u32 reserved1[2]; ++#else ++ u32 reserved1; ++ /* PORTSC: offset 0x20 for Faraday OTG */ ++ u32 port_status[1]; ++#endif + + /* TXFILLTUNING: offset 0x24 */ + u32 txfill_tuning; /* TX FIFO Tuning register */ +@@ -125,8 +130,11 @@ struct ehci_regs { + u32 configured_flag; + #define FLAG_CF (1<<0) /* true: we'll support "high speed" */ + ++#ifndef CONFIG_ARCH_GEMINI + /* PORTSC: offset 0x44 */ + u32 port_status[0]; /* up to N_PORTS */ ++#endif ++ + /* EHCI 1.1 addendum */ + #define PORTSC_SUSPEND_STS_ACK 0 + #define PORTSC_SUSPEND_STS_NYET 1 diff --git a/target/linux/gemini/patches-4.4/131-arm-gemini-add-usb-device.patch b/target/linux/gemini/patches-4.4/131-arm-gemini-add-usb-device.patch new file mode 100644 index 0000000000..a75a5c1c6c --- /dev/null +++ b/target/linux/gemini/patches-4.4/131-arm-gemini-add-usb-device.patch @@ -0,0 +1,77 @@ +--- a/arch/arm/mach-gemini/devices.c ++++ b/arch/arm/mach-gemini/devices.c +@@ -187,3 +187,64 @@ int platform_register_ethernet(struct ge + + return platform_device_register(ðernet_device); + } ++ ++static struct resource usb0_resources[] = { ++ { ++ .start = GEMINI_USB0_BASE, ++ .end = GEMINI_USB0_BASE + 0xfff, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = IRQ_USB0, ++ .end = IRQ_USB0, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct resource usb1_resources[] = { ++ { ++ .start = GEMINI_USB1_BASE, ++ .end = GEMINI_USB1_BASE + 0xfff, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = IRQ_USB1, ++ .end = IRQ_USB1, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static u64 usb0_dmamask = 0xffffffffUL; ++static u64 usb1_dmamask = 0xffffffffUL; ++ ++static struct platform_device usb_device[] = { ++ { ++ .name = "ehci-fotg2", ++ .id = 0, ++ .dev = { ++ .dma_mask = &usb0_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .num_resources = ARRAY_SIZE(usb0_resources), ++ .resource = usb0_resources, ++ }, ++ { ++ .name = "ehci-fotg2", ++ .id = 1, ++ .dev = { ++ .dma_mask = &usb1_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .num_resources = ARRAY_SIZE(usb1_resources), ++ .resource = usb1_resources, ++ }, ++}; ++ ++int __init platform_register_usb(unsigned int id) ++{ ++ if (id > 1) ++ return -EINVAL; ++ ++ return platform_device_register(&usb_device[id]); ++} ++ +--- a/arch/arm/mach-gemini/common.h ++++ b/arch/arm/mach-gemini/common.h +@@ -30,6 +30,7 @@ extern int platform_register_pflash(unsi + unsigned int nr_parts); + extern int platform_register_watchdog(void); + extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata); ++extern int platform_register_usb(unsigned int id); + + extern void gemini_restart(enum reboot_mode mode, const char *cmd); + diff --git a/target/linux/gemini/patches-4.4/132-arm-gemini-register-usb.patch b/target/linux/gemini/patches-4.4/132-arm-gemini-register-usb.patch new file mode 100644 index 0000000000..2a61d828ea --- /dev/null +++ b/target/linux/gemini/patches-4.4/132-arm-gemini-register-usb.patch @@ -0,0 +1,65 @@ +--- a/arch/arm/mach-gemini/board-wbd111.c ++++ b/arch/arm/mach-gemini/board-wbd111.c +@@ -145,6 +145,7 @@ static void __init wbd111_init(void) + platform_register_watchdog(); + platform_device_register(&wbd111_phy_device); + platform_register_ethernet(&gmac_data); ++ platform_register_usb(0); + } + + MACHINE_START(WBD111, "Wiliboard WBD-111") +--- a/arch/arm/mach-gemini/board-wbd222.c ++++ b/arch/arm/mach-gemini/board-wbd222.c +@@ -147,6 +147,7 @@ static void __init wbd222_init(void) + platform_register_watchdog(); + platform_device_register(&wbd222_phy_device); + platform_register_ethernet(&gmac_data); ++ platform_register_usb(0); + } + + MACHINE_START(WBD222, "Wiliboard WBD-222") +--- a/arch/arm/mach-gemini/board-rut1xx.c ++++ b/arch/arm/mach-gemini/board-rut1xx.c +@@ -105,6 +105,7 @@ static void __init rut1xx_init(void) + platform_register_watchdog(); + platform_device_register(&rut1xx_phy_device); + platform_register_ethernet(&gmac_data); ++ platform_register_usb(0); + } + + MACHINE_START(RUT100, "Teltonika RUT100") +--- a/arch/arm/mach-gemini/board-nas4220b.c ++++ b/arch/arm/mach-gemini/board-nas4220b.c +@@ -134,10 +134,23 @@ static void __init ib4220b_gmac_init(voi + GLOBAL_ARBITRATION1_CTRL)); + } + ++static void __init usb_ib4220b_init(void) ++{ ++ unsigned int val; ++ ++ val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_MISC_CTRL)); ++ val &= ~(USB0_PLUG_MINIB | USB1_PLUG_MINIB); ++ val |= USB0_VBUS_ON | USB1_VBUS_ON; ++ writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_MISC_CTRL)); ++} ++ + static void __init ib4220b_init(void) + { + gemini_gpio_init(); + ib4220b_gmac_init(); ++ usb_ib4220b_init(); + platform_register_uart(); + platform_register_pflash(SZ_16M, NULL, 0); + platform_device_register(&ib4220b_led_device); +@@ -146,6 +159,8 @@ static void __init ib4220b_init(void) + platform_register_watchdog(); + platform_device_register(&ib4220b_phy_device); + platform_register_ethernet(&ib4220b_gmac_data); ++ platform_register_usb(0); ++ platform_register_usb(1); + } + + MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B") diff --git a/target/linux/gemini/patches-4.4/140-arm-gemini-add-pci-support.patch b/target/linux/gemini/patches-4.4/140-arm-gemini-add-pci-support.patch new file mode 100644 index 0000000000..d17b1a1f8e --- /dev/null +++ b/target/linux/gemini/patches-4.4/140-arm-gemini-add-pci-support.patch @@ -0,0 +1,66 @@ +--- a/arch/arm/Kconfig ++++ b/arch/arm/Kconfig +@@ -399,6 +399,7 @@ config ARCH_GEMINI + select CLKSRC_MMIO + select CPU_FA526 + select GENERIC_CLOCKEVENTS ++ select MIGHT_HAVE_PCI + help + Support for the Cortina Systems Gemini family SoCs + +--- a/arch/arm/mach-gemini/include/mach/hardware.h ++++ b/arch/arm/mach-gemini/include/mach/hardware.h +@@ -68,4 +68,9 @@ + */ + #define IO_ADDRESS(x) IOMEM((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000) + ++/* ++ * PCI subsystem macros ++ */ ++#define pcibios_assign_all_busses() 1 ++ + #endif +--- a/arch/arm/mach-gemini/include/mach/irqs.h ++++ b/arch/arm/mach-gemini/include/mach/irqs.h +@@ -43,11 +43,14 @@ + + #define NORMAL_IRQ_NUM 32 + +-#define GPIO_IRQ_BASE NORMAL_IRQ_NUM ++#define PCI_IRQ_BASE NORMAL_IRQ_NUM ++#define PCI_IRQ_NUM 4 ++ ++#define GPIO_IRQ_BASE (NORMAL_IRQ_NUM + PCI_IRQ_NUM) + #define GPIO_IRQ_NUM (3 * 32) + + #define ARCH_TIMER_IRQ IRQ_TIMER2 + +-#define NR_IRQS (NORMAL_IRQ_NUM + GPIO_IRQ_NUM) ++#define NR_IRQS (NORMAL_IRQ_NUM + PCI_IRQ_NUM + GPIO_IRQ_NUM) + + #endif /* __MACH_IRQS_H__ */ +--- a/arch/arm/mach-gemini/Makefile ++++ b/arch/arm/mach-gemini/Makefile +@@ -6,6 +6,8 @@ + + obj-y := irq.o mm.o time.o devices.o gpio.o idle.o reset.o + ++obj-$(CONFIG_PCI) += pci.o ++ + # Board-specific support + obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o + obj-$(CONFIG_MACH_RUT100) += board-rut1xx.o +--- a/arch/arm/mach-gemini/mm.c ++++ b/arch/arm/mach-gemini/mm.c +@@ -59,6 +59,11 @@ static struct map_desc gemini_io_desc[] + .length = SZ_512K, + .type = MT_DEVICE, + }, { ++ .virtual = (unsigned long)IO_ADDRESS(GEMINI_PCI_IO_BASE), ++ .pfn = __phys_to_pfn(GEMINI_PCI_IO_BASE), ++ .length = SZ_512K, ++ .type = MT_DEVICE, ++ }, { + .virtual = (unsigned long)IO_ADDRESS(GEMINI_FLASH_CTRL_BASE), + .pfn = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE), + .length = SZ_512K, diff --git a/target/linux/gemini/patches-4.4/150-gemini-pata.patch b/target/linux/gemini/patches-4.4/150-gemini-pata.patch new file mode 100644 index 0000000000..3da05c5193 --- /dev/null +++ b/target/linux/gemini/patches-4.4/150-gemini-pata.patch @@ -0,0 +1,192 @@ +--- a/arch/arm/mach-gemini/include/mach/global_reg.h ++++ b/arch/arm/mach-gemini/include/mach/global_reg.h +@@ -227,7 +227,13 @@ + #define USB0_PLUG_MINIB (1 << 29) + #define GMAC_GMII (1 << 28) + #define GMAC_1_ENABLE (1 << 27) +-/* TODO: define ATA/SATA bits */ ++/* 011 - ata0 <-> sata0, sata1; bring out ata1 ++ * 010 - ata1 <-> sata1, sata0; bring out ata0 ++ * 001 - ata0 <-> sata0, ata1 <-> sata1; bring out ata1 ++ * 000 - ata0 <-> sata0, ata1 <-> sata1; bring out ata0 */ ++#define IDE_IOMUX_MASK (7 << 24) ++#define IDE_IOMUX_SATA1_SATA0 (2 << 24) ++#define IDE_IOMUX_SATA0_SATA1 (3 << 24) + #define USB1_VBUS_ON (1 << 23) + #define USB0_VBUS_ON (1 << 22) + #define APB_CLKOUT_ENABLE (1 << 21) +--- a/arch/arm/mach-gemini/irq.c ++++ b/arch/arm/mach-gemini/irq.c +@@ -89,6 +89,9 @@ void __init gemini_init_irq(void) + irq_set_handler(i, handle_edge_irq); + mode |= 1 << i; + level |= 1 << i; ++ } else if (i >= IRQ_IDE0 && i <= IRQ_IDE1) { ++ irq_set_handler(i, handle_edge_irq); ++ mode |= 1 << i; + } else { + irq_set_handler(i, handle_level_irq); + } +--- a/arch/arm/mach-gemini/common.h ++++ b/arch/arm/mach-gemini/common.h +@@ -31,6 +31,7 @@ extern int platform_register_pflash(unsi + extern int platform_register_watchdog(void); + extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata); + extern int platform_register_usb(unsigned int id); ++extern int platform_register_pata(unsigned int id); + + extern void gemini_restart(enum reboot_mode mode, const char *cmd); + +--- a/arch/arm/mach-gemini/devices.c ++++ b/arch/arm/mach-gemini/devices.c +@@ -248,3 +248,67 @@ int __init platform_register_usb(unsigne + return platform_device_register(&usb_device[id]); + } + ++static u64 pata_gemini_dmamask0 = 0xffffffffUL; ++static u64 pata_gemini_dmamask1 = 0xffffffffUL; ++ ++static struct resource pata_gemini_resources0[] = ++{ ++ [0] = { ++ .start = GEMINI_IDE0_BASE, ++ .end = GEMINI_IDE0_BASE + 0x40, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = IRQ_IDE0, ++ .end = IRQ_IDE0, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct resource pata_gemini_resources1[] = ++{ ++ [0] = { ++ .start = GEMINI_IDE1_BASE, ++ .end = GEMINI_IDE1_BASE + 0x40, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = IRQ_IDE1, ++ .end = IRQ_IDE1, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device pata_gemini_devices[] = ++{ ++ { ++ .name = "pata-gemini", ++ .id = 0, ++ .dev = ++ { ++ .dma_mask = &pata_gemini_dmamask0, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .num_resources = ARRAY_SIZE(pata_gemini_resources0), ++ .resource = pata_gemini_resources0, ++ }, ++ { ++ .name = "pata-gemini", ++ .id = 1, ++ .dev = ++ { ++ .dma_mask = &pata_gemini_dmamask1, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .num_resources = ARRAY_SIZE(pata_gemini_resources1), ++ .resource = pata_gemini_resources1, ++ }, ++}; ++ ++int __init platform_register_pata(unsigned int id) ++{ ++ if (id > 1) ++ return -EINVAL; ++ ++ return platform_device_register(&pata_gemini_devices[id]); ++} +--- a/arch/arm/mach-gemini/mm.c ++++ b/arch/arm/mach-gemini/mm.c +@@ -24,6 +24,11 @@ static struct map_desc gemini_io_desc[] + .length = SZ_512K, + .type = MT_DEVICE, + }, { ++ .virtual = (unsigned long)IO_ADDRESS(GEMINI_SATA_BASE), ++ .pfn = __phys_to_pfn(GEMINI_SATA_BASE), ++ .length = SZ_512K, ++ .type = MT_DEVICE, ++ }, { + .virtual = (unsigned long)IO_ADDRESS(GEMINI_UART_BASE), + .pfn = __phys_to_pfn(GEMINI_UART_BASE), + .length = SZ_512K, +--- a/drivers/ata/Kconfig ++++ b/drivers/ata/Kconfig +@@ -564,6 +564,16 @@ config PATA_EP93XX + + If unsure, say N. + ++config PATA_GEMINI ++ tristate "Gemini PATA support (Experimental)" ++ depends on ARCH_GEMINI ++ help ++ This option enables support for the Gemini PATA-Controller. ++ Note that the Gemini SoC has no native SATA-Controller but an ++ onboard PATA-SATA bridge. ++ ++ If unsure, say N. ++ + config PATA_HPT366 + tristate "HPT 366/368 PATA support" + depends on PCI +--- a/drivers/ata/Makefile ++++ b/drivers/ata/Makefile +@@ -56,6 +56,7 @@ obj-$(CONFIG_PATA_CS5536) += pata_cs5536 + obj-$(CONFIG_PATA_CYPRESS) += pata_cypress.o + obj-$(CONFIG_PATA_EFAR) += pata_efar.o + obj-$(CONFIG_PATA_EP93XX) += pata_ep93xx.o ++obj-$(CONFIG_PATA_GEMINI) += pata_gemini.o + obj-$(CONFIG_PATA_HPT366) += pata_hpt366.o + obj-$(CONFIG_PATA_HPT37X) += pata_hpt37x.o + obj-$(CONFIG_PATA_HPT3X2N) += pata_hpt3x2n.o +--- a/arch/arm/mach-gemini/board-nas4220b.c ++++ b/arch/arm/mach-gemini/board-nas4220b.c +@@ -146,11 +146,28 @@ static void __init usb_ib4220b_init(void + GLOBAL_MISC_CTRL)); + } + ++static void __init sata_ib4220b_init(void) ++{ ++ unsigned val; ++ ++ val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_MISC_CTRL)); ++ val &= ~(IDE_IOMUX_MASK | PFLASH_PADS_DISABLE); ++ val |= IDE_PADS_ENABLE; ++ writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) + ++ GLOBAL_MISC_CTRL)); ++ ++ /* enabling ports for presence detection, master only */ ++ writel(0x00000001, (void __iomem*)(IO_ADDRESS(GEMINI_SATA_BASE) + 0x18)); ++ writel(0x00000001, (void __iomem*)(IO_ADDRESS(GEMINI_SATA_BASE) + 0x1c)); ++} ++ + static void __init ib4220b_init(void) + { + gemini_gpio_init(); + ib4220b_gmac_init(); + usb_ib4220b_init(); ++ sata_ib4220b_init(); + platform_register_uart(); + platform_register_pflash(SZ_16M, NULL, 0); + platform_device_register(&ib4220b_led_device); +@@ -161,6 +178,8 @@ static void __init ib4220b_init(void) + platform_register_ethernet(&ib4220b_gmac_data); + platform_register_usb(0); + platform_register_usb(1); ++ platform_register_pata(0); ++ platform_register_pata(1); + } + + MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B") diff --git a/target/linux/gemini/raidsonic/config-4.4 b/target/linux/gemini/raidsonic/config-4.4 new file mode 100644 index 0000000000..91605238b4 --- /dev/null +++ b/target/linux/gemini/raidsonic/config-4.4 @@ -0,0 +1,5 @@ +CONFIG_CMDLINE="rootfstype=squashfs,jffs2 noinitrd console=ttyS0,19200 mem=128M mtdparts=physmap-flash.0:128k(BOOT),3072k(Kern),6144k(Ramdisk),6144k(Application),128k(VCTL),640k(CurConf),128k(FIS-directory),12288k@0x320000(rootfs),15360k@0x20000(firmware) root=/dev/mtdblock7" +CONFIG_MACH_NAS4220B=y +CONFIG_MTD_CMDLINE_PARTS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +CONFIG_MTD_SPLIT_FIRMWARE=y