--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2017-2018 Intel Corporation <www.intel.com>
+ *
+ */
+
+#ifndef _FIREWALL_S10_
+#define _FIREWALL_S10_
+
+struct socfpga_firwall_l4_per {
+ u32 nand; /* 0x00 */
+ u32 nand_data;
+ u32 _pad_0x8;
+ u32 usb0;
+ u32 usb1; /* 0x10 */
+ u32 _pad_0x14;
+ u32 _pad_0x18;
+ u32 spim0;
+ u32 spim1; /* 0x20 */
+ u32 spis0;
+ u32 spis1;
+ u32 emac0;
+ u32 emac1; /* 0x30 */
+ u32 emac2;
+ u32 _pad_0x38;
+ u32 _pad_0x3c;
+ u32 sdmmc; /* 0x40 */
+ u32 gpio0;
+ u32 gpio1;
+ u32 _pad_0x4c;
+ u32 i2c0; /* 0x50 */
+ u32 i2c1;
+ u32 i2c2;
+ u32 i2c3;
+ u32 i2c4; /* 0x60 */
+ u32 timer0;
+ u32 timer1;
+ u32 uart0;
+ u32 uart1; /* 0x70 */
+};
+
+struct socfpga_firwall_l4_sys {
+ u32 _pad_0x00; /* 0x00 */
+ u32 _pad_0x04;
+ u32 dma_ecc;
+ u32 emac0rx_ecc;
+ u32 emac0tx_ecc; /* 0x10 */
+ u32 emac1rx_ecc;
+ u32 emac1tx_ecc;
+ u32 emac2rx_ecc;
+ u32 emac2tx_ecc; /* 0x20 */
+ u32 _pad_0x24;
+ u32 _pad_0x28;
+ u32 nand_ecc;
+ u32 nand_read_ecc; /* 0x30 */
+ u32 nand_write_ecc;
+ u32 ocram_ecc;
+ u32 _pad_0x3c;
+ u32 sdmmc_ecc; /* 0x40 */
+ u32 usb0_ecc;
+ u32 usb1_ecc;
+ u32 clock_manager;
+ u32 _pad_0x50; /* 0x50 */
+ u32 io_manager;
+ u32 reset_manager;
+ u32 system_manager;
+ u32 osc0_timer; /* 0x60 */
+ u32 osc1_timer;
+ u32 watchdog0;
+ u32 watchdog1;
+ u32 watchdog2; /* 0x70 */
+ u32 watchdog3;
+};
+
+#define FIREWALL_L4_DISABLE_ALL (BIT(0) | BIT(24) | BIT(16))
+#define FIREWALL_BRIDGE_DISABLE_ALL (~0)
+
+/* Cache coherency unit (CCU) registers */
+#define CCU_CPU0_MPRT_ADBASE_DDRREG 0x4400
+#define CCU_CPU0_MPRT_ADBASE_MEMSPACE0 0x45c0
+#define CCU_CPU0_MPRT_ADBASE_MEMSPACE1A 0x45e0
+#define CCU_CPU0_MPRT_ADBASE_MEMSPACE1B 0x4600
+#define CCU_CPU0_MPRT_ADBASE_MEMSPACE1C 0x4620
+#define CCU_CPU0_MPRT_ADBASE_MEMSPACE1D 0x4640
+#define CCU_CPU0_MPRT_ADBASE_MEMSPACE1E 0x4660
+
+#define CCU_CPU0_MPRT_ADMASK_MEM_RAM0 0x4688
+
+#define CCU_IOM_MPRT_ADBASE_MEMSPACE0 0x18560
+#define CCU_IOM_MPRT_ADBASE_MEMSPACE1A 0x18580
+#define CCU_IOM_MPRT_ADBASE_MEMSPACE1B 0x185a0
+#define CCU_IOM_MPRT_ADBASE_MEMSPACE1C 0x185c0
+#define CCU_IOM_MPRT_ADBASE_MEMSPACE1D 0x185e0
+#define CCU_IOM_MPRT_ADBASE_MEMSPACE1E 0x18600
+
+#define CCU_IOM_MPRT_ADMASK_MEM_RAM0 0x18628
+
+#define CCU_ADMASK_P_MASK BIT(0)
+#define CCU_ADMASK_NS_MASK BIT(1)
+
+#define CCU_ADBASE_DI_MASK BIT(4)
+
+#define CCU_REG_ADDR(reg) \
+ (SOCFPGA_CCU_ADDRESS + (reg))
+
+/* Firewall MPU DDR SCR registers */
+#define FW_MPU_DDR_SCR_EN 0x00
+#define FW_MPU_DDR_SCR_EN_SET 0x04
+#define FW_MPU_DDR_SCR_MPUREGION0ADDR_LIMIT 0x18
+#define FW_MPU_DDR_SCR_MPUREGION0ADDR_LIMITEXT 0x1c
+#define FW_MPU_DDR_SCR_NONMPUREGION0ADDR_LIMIT 0x98
+#define FW_MPU_DDR_SCR_NONMPUREGION0ADDR_LIMITEXT 0x9c
+
+#define MPUREGION0_ENABLE BIT(0)
+#define NONMPUREGION0_ENABLE BIT(8)
+
+#define FW_MPU_DDR_SCR_WRITEL(data, reg) \
+ writel(data, SOCFPGA_FW_MPU_DDR_SCR_ADDRESS + (reg))
+
+#endif /* _FIREWALL_S10_ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2016-2018 Intel Corporation <www.intel.com>
+ *
+ */
+
+#include <asm/io.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+#include <common.h>
+#include <image.h>
+#include <spl.h>
+#include <asm/arch/clock_manager.h>
+#include <asm/arch/firewall_s10.h>
+#include <asm/arch/mailbox_s10.h>
+#include <asm/arch/reset_manager.h>
+#include <asm/arch/sdram_s10.h>
+#include <asm/arch/system_manager.h>
+#include <watchdog.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct socfpga_system_manager *sysmgr_regs =
+ (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
+
+u32 spl_boot_device(void)
+{
+ /* TODO: Get from SDM or handoff */
+ return BOOT_DEVICE_MMC1;
+}
+
+#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_disable_firewall_l4_per(void)
+{
+ const struct socfpga_firwall_l4_per *firwall_l4_per_base =
+ (struct socfpga_firwall_l4_per *)SOCFPGA_FIREWALL_L4_PER;
+ u32 i;
+ const u32 *addr[] = {
+ &firwall_l4_per_base->nand,
+ &firwall_l4_per_base->nand_data,
+ &firwall_l4_per_base->usb0,
+ &firwall_l4_per_base->usb1,
+ &firwall_l4_per_base->spim0,
+ &firwall_l4_per_base->spim1,
+ &firwall_l4_per_base->emac0,
+ &firwall_l4_per_base->emac1,
+ &firwall_l4_per_base->emac2,
+ &firwall_l4_per_base->sdmmc,
+ &firwall_l4_per_base->gpio0,
+ &firwall_l4_per_base->gpio1,
+ &firwall_l4_per_base->i2c0,
+ &firwall_l4_per_base->i2c1,
+ &firwall_l4_per_base->i2c2,
+ &firwall_l4_per_base->i2c3,
+ &firwall_l4_per_base->i2c4,
+ &firwall_l4_per_base->timer0,
+ &firwall_l4_per_base->timer1,
+ &firwall_l4_per_base->uart0,
+ &firwall_l4_per_base->uart1
+ };
+
+ /*
+ * The following lines of code will enable non-secure access
+ * to nand, usb, spi, emac, sdmmc, gpio, i2c, timers and uart. This
+ * is needed as most OS run in non-secure mode. Thus we need to
+ * enable non-secure access to these peripherals in order for the
+ * OS to use these peripherals.
+ */
+ for (i = 0; i < ARRAY_SIZE(addr); i++)
+ writel(FIREWALL_L4_DISABLE_ALL, addr[i]);
+}
+
+void spl_disable_firewall_l4_sys(void)
+{
+ const struct socfpga_firwall_l4_sys *firwall_l4_sys_base =
+ (struct socfpga_firwall_l4_sys *)SOCFPGA_FIREWALL_L4_SYS;
+ u32 i;
+ const u32 *addr[] = {
+ &firwall_l4_sys_base->dma_ecc,
+ &firwall_l4_sys_base->emac0rx_ecc,
+ &firwall_l4_sys_base->emac0tx_ecc,
+ &firwall_l4_sys_base->emac1rx_ecc,
+ &firwall_l4_sys_base->emac1tx_ecc,
+ &firwall_l4_sys_base->emac2rx_ecc,
+ &firwall_l4_sys_base->emac2tx_ecc,
+ &firwall_l4_sys_base->nand_ecc,
+ &firwall_l4_sys_base->nand_read_ecc,
+ &firwall_l4_sys_base->nand_write_ecc,
+ &firwall_l4_sys_base->ocram_ecc,
+ &firwall_l4_sys_base->sdmmc_ecc,
+ &firwall_l4_sys_base->usb0_ecc,
+ &firwall_l4_sys_base->usb1_ecc,
+ &firwall_l4_sys_base->clock_manager,
+ &firwall_l4_sys_base->io_manager,
+ &firwall_l4_sys_base->reset_manager,
+ &firwall_l4_sys_base->system_manager,
+ &firwall_l4_sys_base->watchdog0,
+ &firwall_l4_sys_base->watchdog1,
+ &firwall_l4_sys_base->watchdog2,
+ &firwall_l4_sys_base->watchdog3
+ };
+
+ for (i = 0; i < ARRAY_SIZE(addr); i++)
+ writel(FIREWALL_L4_DISABLE_ALL, addr[i]);
+}
+
+void board_init_f(ulong dummy)
+{
+ const struct cm_config *cm_default_cfg = cm_get_default_config();
+ int ret;
+
+#ifdef CONFIG_HW_WATCHDOG
+ /* Ensure watchdog is paused when debugging is happening */
+ writel(SYSMGR_WDDBG_PAUSE_ALL_CPU, &sysmgr_regs->wddbg);
+
+ /* Enable watchdog before initializing the HW */
+ socfpga_per_reset(SOCFPGA_RESET(L4WD0), 1);
+ socfpga_per_reset(SOCFPGA_RESET(L4WD0), 0);
+ hw_watchdog_init();
+#endif
+
+ /* ensure all processors are not released prior Linux boot */
+ writeq(0, CPU_RELEASE_ADDR);
+
+ socfpga_per_reset(SOCFPGA_RESET(OSC1TIMER0), 0);
+ timer_init();
+
+ populate_sysmgr_pinmux();
+
+ /* configuring the HPS clocks */
+ cm_basic_init(cm_default_cfg);
+
+#ifdef CONFIG_DEBUG_UART
+ socfpga_per_reset(SOCFPGA_RESET(UART0), 0);
+ debug_uart_init();
+#endif
+ ret = spl_early_init();
+ if (ret) {
+ debug("spl_early_init() failed: %d\n", ret);
+ hang();
+ }
+
+ preloader_console_init();
+ cm_print_clock_quick_summary();
+
+ /* enable non-secure interface to DMA330 DMA and peripherals */
+ writel(SYSMGR_DMA_IRQ_NS | SYSMGR_DMA_MGR_NS, &sysmgr_regs->dma);
+ writel(SYSMGR_DMAPERIPH_ALL_NS, &sysmgr_regs->dma_periph);
+
+ spl_disable_firewall_l4_per();
+
+ spl_disable_firewall_l4_sys();
+
+ /* disable lwsocf2fpga and soc2fpga bridge security */
+ writel(FIREWALL_BRIDGE_DISABLE_ALL, SOCFPGA_FIREWALL_SOC2FPGA);
+ writel(FIREWALL_BRIDGE_DISABLE_ALL, SOCFPGA_FIREWALL_LWSOC2FPGA);
+
+ /* disable SMMU security */
+ writel(FIREWALL_L4_DISABLE_ALL, SOCFPGA_FIREWALL_TCU);
+
+ /* disable ocram security at CCU for non secure access */
+ clrbits_le32(CCU_REG_ADDR(CCU_CPU0_MPRT_ADMASK_MEM_RAM0),
+ CCU_ADMASK_P_MASK | CCU_ADMASK_NS_MASK);
+ clrbits_le32(CCU_REG_ADDR(CCU_IOM_MPRT_ADMASK_MEM_RAM0),
+ CCU_ADMASK_P_MASK | CCU_ADMASK_NS_MASK);
+
+ debug("DDR: Initializing Hard Memory Controller\n");
+ if (sdram_mmr_init_full(0)) {
+ puts("DDR: Initialization failed.\n");
+ hang();
+ }
+
+ gd->ram_size = sdram_calculate_size();
+ printf("DDR: %d MiB\n", (int)(gd->ram_size >> 20));
+
+ /* Sanity check ensure correct SDRAM size specified */
+ debug("DDR: Running SDRAM size sanity check\n");
+ if (get_ram_size(0, gd->ram_size) != gd->ram_size) {
+ puts("DDR: SDRAM size check failed!\n");
+ hang();
+ }
+ debug("DDR: SDRAM size check passed!\n");
+
+ mbox_init();
+
+#ifdef CONFIG_CADENCE_QSPI
+ mbox_qspi_open();
+#endif
+}
projects / oweals / u-boot.git / commitdiff