From: Ley Foon Tan Date: Wed, 23 May 2018 16:17:27 +0000 (+0800) Subject: arm: socfpga: Restructure the SPL file X-Git-Tag: v2018.09-rc1~145^2~14 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=c859f2a77d98;p=oweals%2Fu-boot.git arm: socfpga: Restructure the SPL file Restructure the SPL so each devices such as CV, A10 and S10 will have their own dedicated SPL file. SPL file determine the HW initialization flow which is device specific Signed-off-by: Chin Liang See Signed-off-by: Ley Foon Tan --- diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile index 478afe2674..e8a1c0f45a 100644 --- a/arch/arm/mach-socfpga/Makefile +++ b/arch/arm/mach-socfpga/Makefile @@ -39,13 +39,16 @@ obj-y += wrap_pinmux_config_s10.o obj-y += wrap_pll_config_s10.o endif ifdef CONFIG_SPL_BUILD -obj-y += spl.o ifdef CONFIG_TARGET_SOCFPGA_GEN5 +obj-y += spl_gen5.o obj-y += freeze_controller.o obj-y += wrap_iocsr_config.o obj-y += wrap_pinmux_config.o obj-y += wrap_sdram_config.o endif +ifdef CONFIG_TARGET_SOCFPGA_ARRIA10 +obj-y += spl_a10.o +endif endif ifdef CONFIG_TARGET_SOCFPGA_GEN5 diff --git a/arch/arm/mach-socfpga/spl.c b/arch/arm/mach-socfpga/spl.c deleted file mode 100644 index 0c9d7388e6..0000000000 --- a/arch/arm/mach-socfpga/spl.c +++ /dev/null @@ -1,223 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2012 Altera Corporation - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#if defined(CONFIG_TARGET_SOCFPGA_ARRIA10) -#include -#endif - -DECLARE_GLOBAL_DATA_PTR; - -#if defined(CONFIG_TARGET_SOCFPGA_GEN5) -static struct pl310_regs *const pl310 = - (struct pl310_regs *)CONFIG_SYS_PL310_BASE; -static struct scu_registers *scu_regs = - (struct scu_registers *)SOCFPGA_MPUSCU_ADDRESS; -static struct nic301_registers *nic301_regs = - (struct nic301_registers *)SOCFPGA_L3REGS_ADDRESS; -#endif - -static const struct socfpga_system_manager *sysmgr_regs = - (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS; - -u32 spl_boot_device(void) -{ - const u32 bsel = readl(&sysmgr_regs->bootinfo); - - switch (SYSMGR_GET_BOOTINFO_BSEL(bsel)) { - case 0x1: /* FPGA (HPS2FPGA Bridge) */ - return BOOT_DEVICE_RAM; - case 0x2: /* NAND Flash (1.8V) */ - case 0x3: /* NAND Flash (3.0V) */ - socfpga_per_reset(SOCFPGA_RESET(NAND), 0); - return BOOT_DEVICE_NAND; - case 0x4: /* SD/MMC External Transceiver (1.8V) */ - case 0x5: /* SD/MMC Internal Transceiver (3.0V) */ - socfpga_per_reset(SOCFPGA_RESET(SDMMC), 0); - socfpga_per_reset(SOCFPGA_RESET(DMA), 0); - return BOOT_DEVICE_MMC1; - case 0x6: /* QSPI Flash (1.8V) */ - case 0x7: /* QSPI Flash (3.0V) */ - socfpga_per_reset(SOCFPGA_RESET(QSPI), 0); - return BOOT_DEVICE_SPI; - default: - printf("Invalid boot device (bsel=%08x)!\n", bsel); - hang(); - } -} - -#if defined(CONFIG_TARGET_SOCFPGA_GEN5) -static void socfpga_nic301_slave_ns(void) -{ - writel(0x1, &nic301_regs->lwhps2fpgaregs); - writel(0x1, &nic301_regs->hps2fpgaregs); - writel(0x1, &nic301_regs->acp); - writel(0x1, &nic301_regs->rom); - writel(0x1, &nic301_regs->ocram); - writel(0x1, &nic301_regs->sdrdata); -} - -void board_init_f(ulong dummy) -{ - const struct cm_config *cm_default_cfg = cm_get_default_config(); - unsigned long sdram_size; - unsigned long reg; - - /* - * First C code to run. Clear fake OCRAM ECC first as SBE - * and DBE might triggered during power on - */ - reg = readl(&sysmgr_regs->eccgrp_ocram); - if (reg & SYSMGR_ECC_OCRAM_SERR) - writel(SYSMGR_ECC_OCRAM_SERR | SYSMGR_ECC_OCRAM_EN, - &sysmgr_regs->eccgrp_ocram); - if (reg & SYSMGR_ECC_OCRAM_DERR) - writel(SYSMGR_ECC_OCRAM_DERR | SYSMGR_ECC_OCRAM_EN, - &sysmgr_regs->eccgrp_ocram); - - memset(__bss_start, 0, __bss_end - __bss_start); - - socfpga_nic301_slave_ns(); - - /* Configure ARM MPU SNSAC register. */ - setbits_le32(&scu_regs->sacr, 0xfff); - - /* Remap SDRAM to 0x0 */ - writel(0x1, &nic301_regs->remap); /* remap.mpuzero */ - writel(0x1, &pl310->pl310_addr_filter_start); - - debug("Freezing all I/O banks\n"); - /* freeze all IO banks */ - sys_mgr_frzctrl_freeze_req(); - - /* Put everything into reset but L4WD0. */ - socfpga_per_reset_all(); - /* Put FPGA bridges into reset too. */ - socfpga_bridges_reset(1); - - socfpga_per_reset(SOCFPGA_RESET(SDR), 0); - socfpga_per_reset(SOCFPGA_RESET(UART0), 0); - socfpga_per_reset(SOCFPGA_RESET(OSC1TIMER0), 0); - - timer_init(); - - debug("Reconfigure Clock Manager\n"); - /* reconfigure the PLLs */ - if (cm_basic_init(cm_default_cfg)) - hang(); - - /* Enable bootrom to configure IOs. */ - sysmgr_config_warmrstcfgio(1); - - /* configure the IOCSR / IO buffer settings */ - if (scan_mgr_configure_iocsr()) - hang(); - - sysmgr_config_warmrstcfgio(0); - - /* configure the pin muxing through system manager */ - sysmgr_config_warmrstcfgio(1); - sysmgr_pinmux_init(); - sysmgr_config_warmrstcfgio(0); - - /* De-assert reset for peripherals and bridges based on handoff */ - reset_deassert_peripherals_handoff(); - socfpga_bridges_reset(0); - - debug("Unfreezing/Thaw all I/O banks\n"); - /* unfreeze / thaw all IO banks */ - sys_mgr_frzctrl_thaw_req(); - - /* enable console uart printing */ - preloader_console_init(); - - if (sdram_mmr_init_full(0xffffffff) != 0) { - puts("SDRAM init failed.\n"); - hang(); - } - - debug("SDRAM: Calibrating PHY\n"); - /* SDRAM calibration */ - if (sdram_calibration_full() == 0) { - puts("SDRAM calibration failed.\n"); - hang(); - } - - sdram_size = sdram_calculate_size(); - debug("SDRAM: %ld MiB\n", sdram_size >> 20); - - /* Sanity check ensure correct SDRAM size specified */ - if (get_ram_size(0, sdram_size) != sdram_size) { - puts("SDRAM size check failed!\n"); - hang(); - } - - socfpga_bridges_reset(1); - - /* Configure simple malloc base pointer into RAM. */ - gd->malloc_base = CONFIG_SYS_TEXT_BASE + (1024 * 1024); -} -#elif defined(CONFIG_TARGET_SOCFPGA_ARRIA10) -void spl_board_init(void) -{ - /* configuring the clock based on handoff */ - cm_basic_init(gd->fdt_blob); - WATCHDOG_RESET(); - - config_dedicated_pins(gd->fdt_blob); - WATCHDOG_RESET(); - - /* Release UART from reset */ - socfpga_reset_uart(0); - - /* enable console uart printing */ - preloader_console_init(); - - WATCHDOG_RESET(); - - /* Add device descriptor to FPGA device table */ - socfpga_fpga_add(); -} - -void board_init_f(ulong dummy) -{ - /* - * Configure Clock Manager to use intosc clock instead external osc to - * ensure success watchdog operation. We do it as early as possible. - */ - cm_use_intosc(); - - socfpga_watchdog_disable(); - - arch_early_init_r(); - -#ifdef CONFIG_HW_WATCHDOG - /* release osc1 watchdog timer 0 from reset */ - socfpga_reset_deassert_osc1wd0(); - - /* reconfigure and enable the watchdog */ - hw_watchdog_init(); - WATCHDOG_RESET(); -#endif /* CONFIG_HW_WATCHDOG */ -} -#endif diff --git a/arch/arm/mach-socfpga/spl_a10.c b/arch/arm/mach-socfpga/spl_a10.c new file mode 100644 index 0000000000..e6fc766fca --- /dev/null +++ b/arch/arm/mach-socfpga/spl_a10.c @@ -0,0 +1,105 @@ +/* + * Copyright (C) 2012 Altera Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +static const struct socfpga_system_manager *sysmgr_regs = + (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS; + +u32 spl_boot_device(void) +{ + const u32 bsel = readl(&sysmgr_regs->bootinfo); + + switch (SYSMGR_GET_BOOTINFO_BSEL(bsel)) { + case 0x1: /* FPGA (HPS2FPGA Bridge) */ + return BOOT_DEVICE_RAM; + case 0x2: /* NAND Flash (1.8V) */ + case 0x3: /* NAND Flash (3.0V) */ + socfpga_per_reset(SOCFPGA_RESET(NAND), 0); + return BOOT_DEVICE_NAND; + case 0x4: /* SD/MMC External Transceiver (1.8V) */ + case 0x5: /* SD/MMC Internal Transceiver (3.0V) */ + socfpga_per_reset(SOCFPGA_RESET(SDMMC), 0); + socfpga_per_reset(SOCFPGA_RESET(DMA), 0); + return BOOT_DEVICE_MMC1; + case 0x6: /* QSPI Flash (1.8V) */ + case 0x7: /* QSPI Flash (3.0V) */ + socfpga_per_reset(SOCFPGA_RESET(QSPI), 0); + return BOOT_DEVICE_SPI; + default: + printf("Invalid boot device (bsel=%08x)!\n", bsel); + hang(); + } +} + +#ifdef CONFIG_SPL_MMC_SUPPORT +u32 spl_boot_mode(const u32 boot_device) +{ +#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) + return MMCSD_MODE_FS; +#else + return MMCSD_MODE_RAW; +#endif +} +#endif + +void spl_board_init(void) +{ + /* configuring the clock based on handoff */ + cm_basic_init(gd->fdt_blob); + WATCHDOG_RESET(); + + config_dedicated_pins(gd->fdt_blob); + WATCHDOG_RESET(); + + /* Release UART from reset */ + socfpga_reset_uart(0); + + /* enable console uart printing */ + preloader_console_init(); +} + +void board_init_f(ulong dummy) +{ + /* + * Configure Clock Manager to use intosc clock instead external osc to + * ensure success watchdog operation. We do it as early as possible. + */ + cm_use_intosc(); + + socfpga_watchdog_disable(); + + arch_early_init_r(); + +#ifdef CONFIG_HW_WATCHDOG + /* release osc1 watchdog timer 0 from reset */ + socfpga_reset_deassert_osc1wd0(); + + /* reconfigure and enable the watchdog */ + hw_watchdog_init(); + WATCHDOG_RESET(); +#endif /* CONFIG_HW_WATCHDOG */ +} diff --git a/arch/arm/mach-socfpga/spl_gen5.c b/arch/arm/mach-socfpga/spl_gen5.c new file mode 100644 index 0000000000..d6fe7d35af --- /dev/null +++ b/arch/arm/mach-socfpga/spl_gen5.c @@ -0,0 +1,183 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2012 Altera Corporation + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +static struct pl310_regs *const pl310 = + (struct pl310_regs *)CONFIG_SYS_PL310_BASE; +static struct scu_registers *scu_regs = + (struct scu_registers *)SOCFPGA_MPUSCU_ADDRESS; +static struct nic301_registers *nic301_regs = + (struct nic301_registers *)SOCFPGA_L3REGS_ADDRESS; +static const struct socfpga_system_manager *sysmgr_regs = + (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS; + +u32 spl_boot_device(void) +{ + const u32 bsel = readl(&sysmgr_regs->bootinfo); + + switch (SYSMGR_GET_BOOTINFO_BSEL(bsel)) { + case 0x1: /* FPGA (HPS2FPGA Bridge) */ + return BOOT_DEVICE_RAM; + case 0x2: /* NAND Flash (1.8V) */ + case 0x3: /* NAND Flash (3.0V) */ + socfpga_per_reset(SOCFPGA_RESET(NAND), 0); + return BOOT_DEVICE_NAND; + case 0x4: /* SD/MMC External Transceiver (1.8V) */ + case 0x5: /* SD/MMC Internal Transceiver (3.0V) */ + socfpga_per_reset(SOCFPGA_RESET(SDMMC), 0); + socfpga_per_reset(SOCFPGA_RESET(DMA), 0); + return BOOT_DEVICE_MMC1; + case 0x6: /* QSPI Flash (1.8V) */ + case 0x7: /* QSPI Flash (3.0V) */ + socfpga_per_reset(SOCFPGA_RESET(QSPI), 0); + return BOOT_DEVICE_SPI; + default: + printf("Invalid boot device (bsel=%08x)!\n", bsel); + hang(); + } +} + +#ifdef CONFIG_SPL_MMC_SUPPORT +u32 spl_boot_mode(const u32 boot_device) +{ +#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) + return MMCSD_MODE_FS; +#else + return MMCSD_MODE_RAW; +#endif +} +#endif + +static void socfpga_nic301_slave_ns(void) +{ + writel(0x1, &nic301_regs->lwhps2fpgaregs); + writel(0x1, &nic301_regs->hps2fpgaregs); + writel(0x1, &nic301_regs->acp); + writel(0x1, &nic301_regs->rom); + writel(0x1, &nic301_regs->ocram); + writel(0x1, &nic301_regs->sdrdata); +} + +void board_init_f(ulong dummy) +{ + const struct cm_config *cm_default_cfg = cm_get_default_config(); + unsigned long sdram_size; + unsigned long reg; + + /* + * First C code to run. Clear fake OCRAM ECC first as SBE + * and DBE might triggered during power on + */ + reg = readl(&sysmgr_regs->eccgrp_ocram); + if (reg & SYSMGR_ECC_OCRAM_SERR) + writel(SYSMGR_ECC_OCRAM_SERR | SYSMGR_ECC_OCRAM_EN, + &sysmgr_regs->eccgrp_ocram); + if (reg & SYSMGR_ECC_OCRAM_DERR) + writel(SYSMGR_ECC_OCRAM_DERR | SYSMGR_ECC_OCRAM_EN, + &sysmgr_regs->eccgrp_ocram); + + memset(__bss_start, 0, __bss_end - __bss_start); + + socfpga_nic301_slave_ns(); + + /* Configure ARM MPU SNSAC register. */ + setbits_le32(&scu_regs->sacr, 0xfff); + + /* Remap SDRAM to 0x0 */ + writel(0x1, &nic301_regs->remap); /* remap.mpuzero */ + writel(0x1, &pl310->pl310_addr_filter_start); + + debug("Freezing all I/O banks\n"); + /* freeze all IO banks */ + sys_mgr_frzctrl_freeze_req(); + + /* Put everything into reset but L4WD0. */ + socfpga_per_reset_all(); + /* Put FPGA bridges into reset too. */ + socfpga_bridges_reset(1); + + socfpga_per_reset(SOCFPGA_RESET(SDR), 0); + socfpga_per_reset(SOCFPGA_RESET(UART0), 0); + socfpga_per_reset(SOCFPGA_RESET(OSC1TIMER0), 0); + + timer_init(); + + debug("Reconfigure Clock Manager\n"); + /* reconfigure the PLLs */ + if (cm_basic_init(cm_default_cfg)) + hang(); + + /* Enable bootrom to configure IOs. */ + sysmgr_config_warmrstcfgio(1); + + /* configure the IOCSR / IO buffer settings */ + if (scan_mgr_configure_iocsr()) + hang(); + + sysmgr_config_warmrstcfgio(0); + + /* configure the pin muxing through system manager */ + sysmgr_config_warmrstcfgio(1); + sysmgr_pinmux_init(); + sysmgr_config_warmrstcfgio(0); + + /* De-assert reset for peripherals and bridges based on handoff */ + reset_deassert_peripherals_handoff(); + socfpga_bridges_reset(0); + + debug("Unfreezing/Thaw all I/O banks\n"); + /* unfreeze / thaw all IO banks */ + sys_mgr_frzctrl_thaw_req(); + + /* enable console uart printing */ + preloader_console_init(); + + if (sdram_mmr_init_full(0xffffffff) != 0) { + puts("SDRAM init failed.\n"); + hang(); + } + + debug("SDRAM: Calibrating PHY\n"); + /* SDRAM calibration */ + if (sdram_calibration_full() == 0) { + puts("SDRAM calibration failed.\n"); + hang(); + } + + sdram_size = sdram_calculate_size(); + debug("SDRAM: %ld MiB\n", sdram_size >> 20); + + /* Sanity check ensure correct SDRAM size specified */ + if (get_ram_size(0, sdram_size) != sdram_size) { + puts("SDRAM size check failed!\n"); + hang(); + } + + socfpga_bridges_reset(1); + + /* Configure simple malloc base pointer into RAM. */ + gd->malloc_base = CONFIG_SYS_TEXT_BASE + (1024 * 1024); +}