Add SPL driver support for Stratix SoC
Signed-off-by: Chin Liang See chin.liang.see@intel.com Signed-off-by: Ley Foon Tan ley.foon.tan@intel.com --- arch/arm/mach-socfpga/Makefile | 4 + arch/arm/mach-socfpga/include/mach/firewall_s10.h | 120 +++++++++++++ arch/arm/mach-socfpga/spl_s10.c | 199 +++++++++++++++++++++ 3 files changed, 323 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-socfpga/include/mach/firewall_s10.h create mode 100644 arch/arm/mach-socfpga/spl_s10.c
diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile index e8a1c0f..3131949 100644 --- a/arch/arm/mach-socfpga/Makefile +++ b/arch/arm/mach-socfpga/Makefile @@ -38,6 +38,7 @@ obj-y += system_manager_s10.o obj-y += wrap_pinmux_config_s10.o obj-y += wrap_pll_config_s10.o endif + ifdef CONFIG_SPL_BUILD ifdef CONFIG_TARGET_SOCFPGA_GEN5 obj-y += spl_gen5.o @@ -49,6 +50,9 @@ endif ifdef CONFIG_TARGET_SOCFPGA_ARRIA10 obj-y += spl_a10.o endif +ifdef CONFIG_TARGET_SOCFPGA_STRATIX10 +obj-y += spl_s10.o +endif endif
ifdef CONFIG_TARGET_SOCFPGA_GEN5 diff --git a/arch/arm/mach-socfpga/include/mach/firewall_s10.h b/arch/arm/mach-socfpga/include/mach/firewall_s10.h new file mode 100644 index 0000000..b96f779 --- /dev/null +++ b/arch/arm/mach-socfpga/include/mach/firewall_s10.h @@ -0,0 +1,120 @@ +/* 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_ */ diff --git a/arch/arm/mach-socfpga/spl_s10.c b/arch/arm/mach-socfpga/spl_s10.c new file mode 100644 index 0000000..69c2ee3 --- /dev/null +++ b/arch/arm/mach-socfpga/spl_s10.c @@ -0,0 +1,199 @@ +// 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 +}