diff options
Diffstat (limited to '')
| -rw-r--r-- | plat/renesas/rzg/bl2_plat_setup.c | 1020 | ||||
| -rw-r--r-- | plat/renesas/rzg/platform.mk | 274 |
2 files changed, 1294 insertions, 0 deletions
diff --git a/plat/renesas/rzg/bl2_plat_setup.c b/plat/renesas/rzg/bl2_plat_setup.c new file mode 100644 index 0000000..e9dbd20 --- /dev/null +++ b/plat/renesas/rzg/bl2_plat_setup.c @@ -0,0 +1,1020 @@ +/* + * Copyright (c) 2020-2021, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <inttypes.h> +#include <stdint.h> +#include <string.h> + +#include <arch_helpers.h> +#include <bl1/bl1.h> +#include <common/bl_common.h> +#include <common/debug.h> +#include <common/desc_image_load.h> +#include <drivers/console.h> +#include <drivers/io/io_driver.h> +#include <drivers/io/io_storage.h> +#include <libfdt.h> +#include <lib/mmio.h> +#include <lib/xlat_tables/xlat_tables_defs.h> +#include <platform_def.h> +#include <plat/common/platform.h> + +#include "avs_driver.h" +#include "board.h" +#include "boot_init_dram.h" +#include "cpg_registers.h" +#include "emmc_def.h" +#include "emmc_hal.h" +#include "emmc_std.h" +#include "io_common.h" +#include "io_rcar.h" +#include "qos_init.h" +#include "rcar_def.h" +#include "rcar_private.h" +#include "rcar_version.h" +#include "rom_api.h" + +#define MAX_DRAM_CHANNELS 4 +/* + * DDR ch0 has a shadow area mapped in 32bit address space. + * Physical address 0x4_0000_0000 - 0x4_7fff_ffff in 64bit space + * is mapped to 0x4000_0000 - 0xbfff_ffff in 32bit space. + */ +#define MAX_DRAM_SIZE_CH0_32BIT_ADDR_SPACE 0x80000000ULL + +#if RCAR_BL2_DCACHE == 1 +/* + * Following symbols are only used during plat_arch_setup() only + * when RCAR_BL2_DCACHE is enabled. + */ +static const uint64_t BL2_RO_BASE = BL_CODE_BASE; +static const uint64_t BL2_RO_LIMIT = BL_CODE_END; + +#if USE_COHERENT_MEM +static const uint64_t BL2_COHERENT_RAM_BASE = BL_COHERENT_RAM_BASE; +static const uint64_t BL2_COHERENT_RAM_LIMIT = BL_COHERENT_RAM_END; +#endif /* USE_COHERENT_MEM */ + +#endif /* RCAR_BL2_DCACHE */ + +extern void plat_rcar_gic_driver_init(void); +extern void plat_rcar_gic_init(void); +extern void bl2_enter_bl31(const struct entry_point_info *bl_ep_info); +extern void bl2_system_cpg_init(void); +extern void bl2_secure_setting(void); +extern void bl2_cpg_init(void); +extern void rcar_io_emmc_setup(void); +extern void rcar_io_setup(void); +extern void rcar_swdt_release(void); +extern void rcar_swdt_init(void); +extern void rcar_rpc_init(void); +extern void rcar_dma_init(void); +extern void rzg_pfc_init(void); + +static void bl2_init_generic_timer(void); + +/* RZ/G2 product check */ +#if RCAR_LSI == RZ_G2M +#define TARGET_PRODUCT PRR_PRODUCT_M3 +#define TARGET_NAME "RZ/G2M" +#elif RCAR_LSI == RZ_G2H +#define TARGET_PRODUCT PRR_PRODUCT_H3 +#define TARGET_NAME "RZ/G2H" +#elif RCAR_LSI == RZ_G2N +#define TARGET_PRODUCT PRR_PRODUCT_M3N +#define TARGET_NAME "RZ/G2N" +#elif RCAR_LSI == RZ_G2E +#define TARGET_PRODUCT PRR_PRODUCT_E3 +#define TARGET_NAME "RZ/G2E" +#elif RCAR_LSI == RCAR_AUTO +#define TARGET_NAME "RZ/G2M" +#endif /* RCAR_LSI == RZ_G2M */ + +#if (RCAR_LSI == RZ_G2E) +#define GPIO_INDT (GPIO_INDT6) +#define GPIO_BKUP_TRG_SHIFT ((uint32_t)1U << 13U) +#else +#define GPIO_INDT (GPIO_INDT1) +#define GPIO_BKUP_TRG_SHIFT (1U << 8U) +#endif /* RCAR_LSI == RZ_G2E */ + +CASSERT((PARAMS_BASE + sizeof(bl2_to_bl31_params_mem_t) + 0x100) + < (RCAR_SHARED_MEM_BASE + RCAR_SHARED_MEM_SIZE), + assert_bl31_params_do_not_fit_in_shared_memory); + +static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE); + +/* FDT with DRAM configuration */ +uint64_t fdt_blob[PAGE_SIZE_4KB / sizeof(uint64_t)]; +static void *fdt = (void *)fdt_blob; + +static void unsigned_num_print(uint64_t unum, unsigned int radix, char *string) +{ + /* Just need enough space to store 64 bit decimal integer */ + char num_buf[20]; + int i = 0; + unsigned int rem; + + do { + rem = unum % radix; + if (rem < 0xaU) { + num_buf[i] = '0' + rem; + } else { + num_buf[i] = 'a' + (rem - 0xaU); + } + i++; + unum /= radix; + } while (unum > 0U); + + while (--i >= 0) { + *string++ = num_buf[i]; + } + *string = 0; +} + +#if RCAR_LOSSY_ENABLE == 1 +typedef struct bl2_lossy_info { + uint32_t magic; + uint32_t a0; + uint32_t b0; +} bl2_lossy_info_t; + +static void bl2_lossy_gen_fdt(uint32_t no, uint64_t start_addr, + uint64_t end_addr, uint32_t format, + uint32_t enable, int fcnlnode) +{ + const uint64_t fcnlsize = cpu_to_fdt64(end_addr - start_addr); + char nodename[40] = { 0 }; + int ret, node; + + /* Ignore undefined addresses */ + if (start_addr == 0UL && end_addr == 0UL) { + return; + } + + snprintf(nodename, sizeof(nodename), "lossy-decompression@"); + unsigned_num_print(start_addr, 16, nodename + strlen(nodename)); + + node = ret = fdt_add_subnode(fdt, fcnlnode, nodename); + if (ret < 0) { + NOTICE("BL2: Cannot create FCNL node (ret=%i)\n", ret); + panic(); + } + + ret = fdt_setprop_string(fdt, node, "compatible", + "renesas,lossy-decompression"); + if (ret < 0) { + NOTICE("BL2: Cannot add FCNL compat string %s (ret=%i)\n", + "renesas,lossy-decompression", ret); + panic(); + } + + ret = fdt_appendprop_string(fdt, node, "compatible", + "shared-dma-pool"); + if (ret < 0) { + NOTICE("BL2: Cannot append FCNL compat string %s (ret=%i)\n", + "shared-dma-pool", ret); + panic(); + } + + ret = fdt_setprop_u64(fdt, node, "reg", start_addr); + if (ret < 0) { + NOTICE("BL2: Cannot add FCNL reg prop (ret=%i)\n", ret); + panic(); + } + + ret = fdt_appendprop(fdt, node, "reg", &fcnlsize, sizeof(fcnlsize)); + if (ret < 0) { + NOTICE("BL2: Cannot append FCNL reg size prop (ret=%i)\n", ret); + panic(); + } + + ret = fdt_setprop(fdt, node, "no-map", NULL, 0); + if (ret < 0) { + NOTICE("BL2: Cannot add FCNL no-map prop (ret=%i)\n", ret); + panic(); + } + + ret = fdt_setprop_u32(fdt, node, "renesas,formats", format); + if (ret < 0) { + NOTICE("BL2: Cannot add FCNL formats prop (ret=%i)\n", ret); + panic(); + } +} + +static void bl2_lossy_setting(uint32_t no, uint64_t start_addr, + uint64_t end_addr, uint32_t format, + uint32_t enable, int fcnlnode) +{ + bl2_lossy_info_t info; + uint32_t reg; + + bl2_lossy_gen_fdt(no, start_addr, end_addr, format, enable, fcnlnode); + + reg = format | (start_addr >> 20); + mmio_write_32(AXI_DCMPAREACRA0 + 0x8U * no, reg); + mmio_write_32(AXI_DCMPAREACRB0 + 0x8U * no, end_addr >> 20); + mmio_write_32(AXI_DCMPAREACRA0 + 0x8U * no, reg | enable); + + info.magic = 0x12345678U; + info.a0 = mmio_read_32(AXI_DCMPAREACRA0 + 0x8U * no); + info.b0 = mmio_read_32(AXI_DCMPAREACRB0 + 0x8U * no); + + mmio_write_32(LOSSY_PARAMS_BASE + sizeof(info) * no, info.magic); + mmio_write_32(LOSSY_PARAMS_BASE + sizeof(info) * no + 0x4U, info.a0); + mmio_write_32(LOSSY_PARAMS_BASE + sizeof(info) * no + 0x8U, info.b0); + + NOTICE(" Entry %d: DCMPAREACRAx:0x%x DCMPAREACRBx:0x%x\n", no, + mmio_read_32(AXI_DCMPAREACRA0 + 0x8U * no), + mmio_read_32(AXI_DCMPAREACRB0 + 0x8U * no)); +} +#endif /* RCAR_LOSSY_ENABLE == 1 */ + +void bl2_plat_flush_bl31_params(void) +{ + uint32_t product_cut, product, cut; + uint32_t boot_dev, boot_cpu; + uint32_t reg; + + reg = mmio_read_32(RCAR_MODEMR); + boot_dev = reg & MODEMR_BOOT_DEV_MASK; + + if (boot_dev == MODEMR_BOOT_DEV_EMMC_25X1 || + boot_dev == MODEMR_BOOT_DEV_EMMC_50X8) { + emmc_terminate(); + } + + if ((reg & MODEMR_BOOT_CPU_MASK) != MODEMR_BOOT_CPU_CR7) { + bl2_secure_setting(); + } + + reg = mmio_read_32(RCAR_PRR); + product_cut = reg & (PRR_PRODUCT_MASK | PRR_CUT_MASK); + product = reg & PRR_PRODUCT_MASK; + cut = reg & PRR_CUT_MASK; + + if (!((product == PRR_PRODUCT_M3 && cut < PRR_PRODUCT_30) || + (product == PRR_PRODUCT_H3 && cut < PRR_PRODUCT_20))) { + /* Disable MFIS write protection */ + mmio_write_32(MFISWPCNTR, MFISWPCNTR_PASSWORD | 1U); + } + + reg = mmio_read_32(RCAR_MODEMR); + boot_cpu = reg & MODEMR_BOOT_CPU_MASK; + if (boot_cpu == MODEMR_BOOT_CPU_CA57 || + boot_cpu == MODEMR_BOOT_CPU_CA53) { + if (product_cut == PRR_PRODUCT_H3_CUT20) { + mmio_write_32(IPMMUVI0_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMUVI1_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMUPV0_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMUPV1_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMUPV2_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMUPV3_IMSCTLR, IMSCTLR_DISCACHE); + } else if (product_cut == (PRR_PRODUCT_M3N | PRR_PRODUCT_10) || + product_cut == (PRR_PRODUCT_M3N | PRR_PRODUCT_11)) { + mmio_write_32(IPMMUVI0_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMUPV0_IMSCTLR, IMSCTLR_DISCACHE); + } else if ((product_cut == (PRR_PRODUCT_E3 | PRR_PRODUCT_10)) || + (product_cut == (PRR_PRODUCT_E3 | PRR_PRODUCT_11))) { + mmio_write_32(IPMMUVI0_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMUVP0_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMUPV0_IMSCTLR, IMSCTLR_DISCACHE); + } + + if (product_cut == (PRR_PRODUCT_H3_CUT20) || + product_cut == (PRR_PRODUCT_M3N | PRR_PRODUCT_10) || + product_cut == (PRR_PRODUCT_M3N | PRR_PRODUCT_11) || + product_cut == (PRR_PRODUCT_E3 | PRR_PRODUCT_10)) { + mmio_write_32(IPMMUHC_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMURT_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMUMP_IMSCTLR, IMSCTLR_DISCACHE); + + mmio_write_32(IPMMUDS0_IMSCTLR, IMSCTLR_DISCACHE); + mmio_write_32(IPMMUDS1_IMSCTLR, IMSCTLR_DISCACHE); + } + } + + mmio_write_32(IPMMUMM_IMSCTLR, IPMMUMM_IMSCTLR_ENABLE); + mmio_write_32(IPMMUMM_IMAUXCTLR, IPMMUMM_IMAUXCTLR_NMERGE40_BIT); + + rcar_swdt_release(); + bl2_system_cpg_init(); + +#if RCAR_BL2_DCACHE == 1 + /* Disable data cache (clean and invalidate) */ + disable_mmu_el3(); +#endif /* RCAR_BL2_DCACHE == 1 */ +} + +static uint32_t is_ddr_backup_mode(void) +{ +#if RCAR_SYSTEM_SUSPEND + static uint32_t reason = RCAR_COLD_BOOT; + static uint32_t once; + + if (once != 0U) { + return reason; + } + + once = 1; + if ((mmio_read_32(GPIO_INDT) & GPIO_BKUP_TRG_SHIFT) == 0U) { + return reason; + } + + reason = RCAR_WARM_BOOT; + return reason; +#else /* RCAR_SYSTEM_SUSPEND */ + return RCAR_COLD_BOOT; +#endif /* RCAR_SYSTEM_SUSPEND */ +} + +int bl2_plat_handle_pre_image_load(unsigned int image_id) +{ + u_register_t *boot_kind = (void *)BOOT_KIND_BASE; + bl_mem_params_node_t *bl_mem_params; + + if (image_id != BL31_IMAGE_ID) { + return 0; + } + + bl_mem_params = get_bl_mem_params_node(image_id); + + if (is_ddr_backup_mode() != RCAR_COLD_BOOT) { + *boot_kind = RCAR_WARM_BOOT; + flush_dcache_range(BOOT_KIND_BASE, sizeof(*boot_kind)); + + console_flush(); + bl2_plat_flush_bl31_params(); + + /* will not return */ + bl2_enter_bl31(&bl_mem_params->ep_info); + } + + *boot_kind = RCAR_COLD_BOOT; + flush_dcache_range(BOOT_KIND_BASE, sizeof(*boot_kind)); + + return 0; +} + +static uint64_t rzg_get_dest_addr_from_cert(uint32_t certid, uintptr_t *dest) +{ + uint32_t cert, len; + int err; + + err = rcar_get_certificate(certid, &cert); + if (err != 0) { + ERROR("%s : cert file load error", __func__); + return 1U; + } + + rcar_read_certificate((uint64_t)cert, &len, dest); + + return 0U; +} + +int bl2_plat_handle_post_image_load(unsigned int image_id) +{ + static bl2_to_bl31_params_mem_t *params; + bl_mem_params_node_t *bl_mem_params; + uintptr_t dest; + uint64_t ret; + + if (params == NULL) { + params = (bl2_to_bl31_params_mem_t *)PARAMS_BASE; + memset((void *)PARAMS_BASE, 0, sizeof(*params)); + } + + bl_mem_params = get_bl_mem_params_node(image_id); + + switch (image_id) { + case BL31_IMAGE_ID: + ret = rzg_get_dest_addr_from_cert(SOC_FW_CONTENT_CERT_ID, + &dest); + if (ret == 0U) { + bl_mem_params->image_info.image_base = dest; + } + break; + case BL32_IMAGE_ID: + ret = rzg_get_dest_addr_from_cert(TRUSTED_OS_FW_CONTENT_CERT_ID, + &dest); + if (ret == 0U) { + bl_mem_params->image_info.image_base = dest; + } + + memcpy(¶ms->bl32_ep_info, &bl_mem_params->ep_info, + sizeof(entry_point_info_t)); + break; + case BL33_IMAGE_ID: + memcpy(¶ms->bl33_ep_info, &bl_mem_params->ep_info, + sizeof(entry_point_info_t)); + break; + default: + break; + } + + return 0; +} + +struct meminfo *bl2_plat_sec_mem_layout(void) +{ + return &bl2_tzram_layout; +} + +static void bl2_populate_compatible_string(void *dt) +{ + uint32_t board_type; + uint32_t board_rev; + uint32_t reg; + int ret; + + fdt_setprop_u32(dt, 0, "#address-cells", 2); + fdt_setprop_u32(dt, 0, "#size-cells", 2); + + /* Populate compatible string */ + rzg_get_board_type(&board_type, &board_rev); + switch (board_type) { + case BOARD_HIHOPE_RZ_G2M: + ret = fdt_setprop_string(dt, 0, "compatible", + "hoperun,hihope-rzg2m"); + break; + case BOARD_HIHOPE_RZ_G2H: + ret = fdt_setprop_string(dt, 0, "compatible", + "hoperun,hihope-rzg2h"); + break; + case BOARD_HIHOPE_RZ_G2N: + ret = fdt_setprop_string(dt, 0, "compatible", + "hoperun,hihope-rzg2n"); + break; + case BOARD_EK874_RZ_G2E: + ret = fdt_setprop_string(dt, 0, "compatible", + "si-linux,cat874"); + break; + default: + NOTICE("BL2: Cannot set compatible string, board unsupported\n"); + panic(); + break; + } + + if (ret < 0) { + NOTICE("BL2: Cannot set compatible string (ret=%i)\n", ret); + panic(); + } + + reg = mmio_read_32(RCAR_PRR); + switch (reg & PRR_PRODUCT_MASK) { + case PRR_PRODUCT_M3: + ret = fdt_appendprop_string(dt, 0, "compatible", + "renesas,r8a774a1"); + break; + case PRR_PRODUCT_H3: + ret = fdt_appendprop_string(dt, 0, "compatible", + "renesas,r8a774e1"); + break; + case PRR_PRODUCT_M3N: + ret = fdt_appendprop_string(dt, 0, "compatible", + "renesas,r8a774b1"); + break; + case PRR_PRODUCT_E3: + ret = fdt_appendprop_string(dt, 0, "compatible", + "renesas,r8a774c0"); + break; + default: + NOTICE("BL2: Cannot set compatible string, SoC unsupported\n"); + panic(); + break; + } + + if (ret < 0) { + NOTICE("BL2: Cannot set compatible string (ret=%i)\n", ret); + panic(); + } +} + +static int bl2_add_memory_node(uint64_t start, uint64_t size) +{ + char nodename[32] = { 0 }; + uint64_t fdtsize; + int ret, node; + + fdtsize = cpu_to_fdt64(size); + + snprintf(nodename, sizeof(nodename), "memory@"); + unsigned_num_print(start, 16, nodename + strlen(nodename)); + node = ret = fdt_add_subnode(fdt, 0, nodename); + if (ret < 0) { + return ret; + } + + ret = fdt_setprop_string(fdt, node, "device_type", "memory"); + if (ret < 0) { + return ret; + } + + ret = fdt_setprop_u64(fdt, node, "reg", start); + if (ret < 0) { + return ret; + } + + return fdt_appendprop(fdt, node, "reg", &fdtsize, sizeof(fdtsize)); +} + +static void bl2_advertise_dram_entries(uint64_t dram_config[8]) +{ + uint64_t start, size; + int ret, chan; + + for (chan = 0; chan < MAX_DRAM_CHANNELS; chan++) { + start = dram_config[2 * chan]; + size = dram_config[2 * chan + 1]; + if (size == 0U) { + continue; + } + + NOTICE("BL2: CH%d: %" PRIx64 " - %" PRIx64 ", %" PRId64 " %siB\n", + chan, start, start + size - 1U, + (size >> 30) ? : size >> 20, + (size >> 30) ? "G" : "M"); + } + + /* + * We add the DT nodes in reverse order here. The fdt_add_subnode() + * adds the DT node before the first existing DT node, so we have + * to add them in reverse order to get nodes sorted by address in + * the resulting DT. + */ + for (chan = MAX_DRAM_CHANNELS - 1; chan >= 0; chan--) { + start = dram_config[2 * chan]; + size = dram_config[2 * chan + 1]; + if (size == 0U) { + continue; + } + + /* + * Channel 0 is mapped in 32bit space and the first + * 128 MiB are reserved + */ + if (chan == 0) { + /* + * Maximum DDR size in Channel 0 for 32 bit space is 2GB, Add DT node + * for remaining region in 64 bit address space + */ + if (size > MAX_DRAM_SIZE_CH0_32BIT_ADDR_SPACE) { + start = dram_config[chan] + MAX_DRAM_SIZE_CH0_32BIT_ADDR_SPACE; + size -= MAX_DRAM_SIZE_CH0_32BIT_ADDR_SPACE; + ret = bl2_add_memory_node(start, size); + if (ret < 0) { + goto err; + } + } + start = 0x48000000U; + size -= 0x8000000U; + } + + ret = bl2_add_memory_node(start, size); + if (ret < 0) { + goto err; + } + } + + return; +err: + NOTICE("BL2: Cannot add memory node to FDT (ret=%i)\n", ret); + panic(); +} + +static void bl2_advertise_dram_size(uint32_t product) +{ + uint64_t dram_config[8] = { + [0] = 0x400000000ULL, + [2] = 0x500000000ULL, + [4] = 0x600000000ULL, + [6] = 0x700000000ULL, + }; + + switch (product) { + case PRR_PRODUCT_M3: + /* 4GB(2GBx2 2ch split) */ + dram_config[1] = 0x80000000ULL; + dram_config[5] = 0x80000000ULL; + break; + case PRR_PRODUCT_H3: +#if (RCAR_DRAM_LPDDR4_MEMCONF == 0) + /* 4GB(1GBx4) */ + dram_config[1] = 0x40000000ULL; + dram_config[3] = 0x40000000ULL; + dram_config[5] = 0x40000000ULL; + dram_config[7] = 0x40000000ULL; +#elif (RCAR_DRAM_LPDDR4_MEMCONF == 1) && (RCAR_DRAM_CHANNEL == 5) && \ + (RCAR_DRAM_SPLIT == 2) + /* 4GB(2GBx2 2ch split) */ + dram_config[1] = 0x80000000ULL; + dram_config[3] = 0x80000000ULL; +#elif (RCAR_DRAM_LPDDR4_MEMCONF == 1) && (RCAR_DRAM_CHANNEL == 15) + /* 8GB(2GBx4: default) */ + dram_config[1] = 0x80000000ULL; + dram_config[3] = 0x80000000ULL; + dram_config[5] = 0x80000000ULL; + dram_config[7] = 0x80000000ULL; +#endif /* RCAR_DRAM_LPDDR4_MEMCONF == 0 */ + break; + case PRR_PRODUCT_M3N: + /* 4GB(4GBx1) */ + dram_config[1] = 0x100000000ULL; + break; + case PRR_PRODUCT_E3: +#if (RCAR_DRAM_DDR3L_MEMCONF == 0) + /* 1GB(512MBx2) */ + dram_config[1] = 0x40000000ULL; +#elif (RCAR_DRAM_DDR3L_MEMCONF == 1) + /* 2GB(512MBx4) */ + dram_config[1] = 0x80000000ULL; +#elif (RCAR_DRAM_DDR3L_MEMCONF == 2) + /* 4GB(1GBx4) */ + dram_config[1] = 0x100000000ULL; +#endif /* RCAR_DRAM_DDR3L_MEMCONF == 0 */ + break; + default: + NOTICE("BL2: Detected invalid DRAM entries\n"); + break; + } + + bl2_advertise_dram_entries(dram_config); +} + +void bl2_el3_early_platform_setup(u_register_t arg1, u_register_t arg2, + u_register_t arg3, u_register_t arg4) +{ + uint32_t reg, midr, boot_dev, boot_cpu, type, rev; + uint32_t product, product_cut, major, minor; + int32_t ret; + const char *str; + const char *unknown = "unknown"; + const char *cpu_ca57 = "CA57"; + const char *cpu_ca53 = "CA53"; + const char *product_g2e = "G2E"; + const char *product_g2h = "G2H"; + const char *product_g2m = "G2M"; + const char *product_g2n = "G2N"; + const char *boot_hyper80 = "HyperFlash(80MHz)"; + const char *boot_qspi40 = "QSPI Flash(40MHz)"; + const char *boot_qspi80 = "QSPI Flash(80MHz)"; + const char *boot_emmc25x1 = "eMMC(25MHz x1)"; + const char *boot_emmc50x8 = "eMMC(50MHz x8)"; +#if (RCAR_LSI == RZ_G2E) + uint32_t sscg; + const char *sscg_on = "PLL1 SSCG Clock select"; + const char *sscg_off = "PLL1 nonSSCG Clock select"; + const char *boot_hyper160 = "HyperFlash(150MHz)"; +#else + const char *boot_hyper160 = "HyperFlash(160MHz)"; +#endif /* RCAR_LSI == RZ_G2E */ +#if RZG_LCS_STATE_DETECTION_ENABLE + uint32_t lcs; + const char *lcs_secure = "SE"; + const char *lcs_cm = "CM"; + const char *lcs_dm = "DM"; + const char *lcs_sd = "SD"; + const char *lcs_fa = "FA"; +#endif /* RZG_LCS_STATE_DETECTION_ENABLE */ + +#if (RCAR_LOSSY_ENABLE == 1) + int fcnlnode; +#endif /* (RCAR_LOSSY_ENABLE == 1) */ + + bl2_init_generic_timer(); + + reg = mmio_read_32(RCAR_MODEMR); + boot_dev = reg & MODEMR_BOOT_DEV_MASK; + boot_cpu = reg & MODEMR_BOOT_CPU_MASK; + + bl2_cpg_init(); + + if (boot_cpu == MODEMR_BOOT_CPU_CA57 || + boot_cpu == MODEMR_BOOT_CPU_CA53) { + rzg_pfc_init(); + rcar_console_boot_init(); + } + + plat_rcar_gic_driver_init(); + plat_rcar_gic_init(); + rcar_swdt_init(); + + /* FIQ interrupts are taken to EL3 */ + write_scr_el3(read_scr_el3() | SCR_FIQ_BIT); + + write_daifclr(DAIF_FIQ_BIT); + + reg = read_midr(); + midr = reg & (MIDR_PN_MASK << MIDR_PN_SHIFT); + switch (midr) { + case MIDR_CA57: + str = cpu_ca57; + break; + case MIDR_CA53: + str = cpu_ca53; + break; + default: + str = unknown; + break; + } + + NOTICE("BL2: RZ/G2 Initial Program Loader(%s) Rev.%s\n", str, + version_of_renesas); + + reg = mmio_read_32(RCAR_PRR); + product_cut = reg & (PRR_PRODUCT_MASK | PRR_CUT_MASK); + product = reg & PRR_PRODUCT_MASK; + + switch (product) { + case PRR_PRODUCT_M3: + str = product_g2m; + break; + case PRR_PRODUCT_H3: + str = product_g2h; + break; + case PRR_PRODUCT_M3N: + str = product_g2n; + break; + case PRR_PRODUCT_E3: + str = product_g2e; + break; + default: + str = unknown; + break; + } + + if ((product == PRR_PRODUCT_M3) && + ((reg & RCAR_MAJOR_MASK) == PRR_PRODUCT_20)) { + if ((reg & PRR_CUT_MASK) == RCAR_M3_CUT_VER11) { + /* M3 Ver.1.1 or Ver.1.2 */ + NOTICE("BL2: PRR is RZ/%s Ver.1.1 / Ver.1.2\n", str); + } else { + NOTICE("BL2: PRR is RZ/%s Ver.1.%d\n", str, + (reg & RCAR_MINOR_MASK) + RCAR_M3_MINOR_OFFSET); + } + } else { + major = (reg & RCAR_MAJOR_MASK) >> RCAR_MAJOR_SHIFT; + major = major + RCAR_MAJOR_OFFSET; + minor = reg & RCAR_MINOR_MASK; + NOTICE("BL2: PRR is RZ/%s Ver.%d.%d\n", str, major, minor); + } + +#if (RCAR_LSI == RZ_G2E) + if (product == PRR_PRODUCT_E3) { + reg = mmio_read_32(RCAR_MODEMR); + sscg = reg & RCAR_SSCG_MASK; + str = sscg == RCAR_SSCG_ENABLE ? sscg_on : sscg_off; + NOTICE("BL2: %s\n", str); + } +#endif /* RCAR_LSI == RZ_G2E */ + + rzg_get_board_type(&type, &rev); + + switch (type) { + case BOARD_HIHOPE_RZ_G2M: + case BOARD_HIHOPE_RZ_G2H: + case BOARD_HIHOPE_RZ_G2N: + case BOARD_EK874_RZ_G2E: + break; + default: + type = BOARD_UNKNOWN; + break; + } + + if (type == BOARD_UNKNOWN || rev == BOARD_REV_UNKNOWN) { + NOTICE("BL2: Board is %s Rev.---\n", GET_BOARD_NAME(type)); + } else { + NOTICE("BL2: Board is %s Rev.%d.%d\n", + GET_BOARD_NAME(type), + GET_BOARD_MAJOR(rev), GET_BOARD_MINOR(rev)); + } + +#if RCAR_LSI != RCAR_AUTO + if (product != TARGET_PRODUCT) { + ERROR("BL2: IPL was been built for the %s.\n", TARGET_NAME); + ERROR("BL2: Please write the correct IPL to flash memory.\n"); + panic(); + } +#endif /* RCAR_LSI != RCAR_AUTO */ + rcar_avs_init(); + rcar_avs_setting(); + + switch (boot_dev) { + case MODEMR_BOOT_DEV_HYPERFLASH160: + str = boot_hyper160; + break; + case MODEMR_BOOT_DEV_HYPERFLASH80: + str = boot_hyper80; + break; + case MODEMR_BOOT_DEV_QSPI_FLASH40: + str = boot_qspi40; + break; + case MODEMR_BOOT_DEV_QSPI_FLASH80: + str = boot_qspi80; + break; + case MODEMR_BOOT_DEV_EMMC_25X1: + str = boot_emmc25x1; + break; + case MODEMR_BOOT_DEV_EMMC_50X8: + str = boot_emmc50x8; + break; + default: + str = unknown; + break; + } + NOTICE("BL2: Boot device is %s\n", str); + + rcar_avs_setting(); + +#if RZG_LCS_STATE_DETECTION_ENABLE + reg = rcar_rom_get_lcs(&lcs); + if (reg != 0U) { + str = unknown; + goto lcm_state; + } + + switch (lcs) { + case LCS_CM: + str = lcs_cm; + break; + case LCS_DM: + str = lcs_dm; + break; + case LCS_SD: + str = lcs_sd; + break; + case LCS_SE: + str = lcs_secure; + break; + case LCS_FA: + str = lcs_fa; + break; + default: + str = unknown; + break; + } + +lcm_state: + NOTICE("BL2: LCM state is %s\n", str); +#endif /* RZG_LCS_STATE_DETECTION_ENABLE */ + + rcar_avs_end(); + is_ddr_backup_mode(); + + bl2_tzram_layout.total_base = BL31_BASE; + bl2_tzram_layout.total_size = BL31_LIMIT - BL31_BASE; + + if (boot_cpu == MODEMR_BOOT_CPU_CA57 || + boot_cpu == MODEMR_BOOT_CPU_CA53) { + ret = rcar_dram_init(); + if (ret != 0) { + NOTICE("BL2: Failed to DRAM initialize (%d).\n", ret); + panic(); + } + rzg_qos_init(); + } + + /* Set up FDT */ + ret = fdt_create_empty_tree(fdt, sizeof(fdt_blob)); + if (ret != 0) { + NOTICE("BL2: Cannot allocate FDT for U-Boot (ret=%i)\n", ret); + panic(); + } + + /* Add platform compatible string */ + bl2_populate_compatible_string(fdt); + + /* Print DRAM layout */ + bl2_advertise_dram_size(product); + + if (boot_dev == MODEMR_BOOT_DEV_EMMC_25X1 || + boot_dev == MODEMR_BOOT_DEV_EMMC_50X8) { + if (rcar_emmc_init() != EMMC_SUCCESS) { + NOTICE("BL2: Failed to eMMC driver initialize.\n"); + panic(); + } + rcar_emmc_memcard_power(EMMC_POWER_ON); + if (rcar_emmc_mount() != EMMC_SUCCESS) { + NOTICE("BL2: Failed to eMMC mount operation.\n"); + panic(); + } + } else { + rcar_rpc_init(); + rcar_dma_init(); + } + + reg = mmio_read_32(RST_WDTRSTCR); + reg &= ~WDTRSTCR_RWDT_RSTMSK; + reg |= WDTRSTCR_PASSWORD; + mmio_write_32(RST_WDTRSTCR, reg); + + mmio_write_32(CPG_CPGWPR, CPGWPR_PASSWORD); + mmio_write_32(CPG_CPGWPCR, CPGWPCR_PASSWORD); + + reg = mmio_read_32(RCAR_PRR); + if ((reg & RCAR_CPU_MASK_CA57) == RCAR_CPU_HAVE_CA57) { + mmio_write_32(CPG_CA57DBGRCR, + DBGCPUPREN | mmio_read_32(CPG_CA57DBGRCR)); + } + + if ((reg & RCAR_CPU_MASK_CA53) == RCAR_CPU_HAVE_CA53) { + mmio_write_32(CPG_CA53DBGRCR, + DBGCPUPREN | mmio_read_32(CPG_CA53DBGRCR)); + } + + if (product_cut == PRR_PRODUCT_H3_CUT10) { + reg = mmio_read_32(CPG_PLL2CR); + reg &= ~((uint32_t)1 << 5); + mmio_write_32(CPG_PLL2CR, reg); + + reg = mmio_read_32(CPG_PLL4CR); + reg &= ~((uint32_t)1 << 5); + mmio_write_32(CPG_PLL4CR, reg); + + reg = mmio_read_32(CPG_PLL0CR); + reg &= ~((uint32_t)1 << 12); + mmio_write_32(CPG_PLL0CR, reg); + } +#if (RCAR_LOSSY_ENABLE == 1) + NOTICE("BL2: Lossy Decomp areas\n"); + + fcnlnode = fdt_add_subnode(fdt, 0, "reserved-memory"); + if (fcnlnode < 0) { + NOTICE("BL2: Cannot create reserved mem node (ret=%i)\n", + fcnlnode); + panic(); + } + + bl2_lossy_setting(0, LOSSY_ST_ADDR0, LOSSY_END_ADDR0, + LOSSY_FMT0, LOSSY_ENA_DIS0, fcnlnode); + bl2_lossy_setting(1, LOSSY_ST_ADDR1, LOSSY_END_ADDR1, + LOSSY_FMT1, LOSSY_ENA_DIS1, fcnlnode); + bl2_lossy_setting(2, LOSSY_ST_ADDR2, LOSSY_END_ADDR2, + LOSSY_FMT2, LOSSY_ENA_DIS2, fcnlnode); +#endif /* RCAR_LOSSY_ENABLE */ + + fdt_pack(fdt); + NOTICE("BL2: FDT at %p\n", fdt); + + if (boot_dev == MODEMR_BOOT_DEV_EMMC_25X1 || + boot_dev == MODEMR_BOOT_DEV_EMMC_50X8) { + rcar_io_emmc_setup(); + } else { + rcar_io_setup(); + } +} + +void bl2_el3_plat_arch_setup(void) +{ +#if RCAR_BL2_DCACHE == 1 + NOTICE("BL2: D-Cache enable\n"); + rcar_configure_mmu_el3(BL2_BASE, + BL2_END - BL2_BASE, + BL2_RO_BASE, BL2_RO_LIMIT +#if USE_COHERENT_MEM + , BL2_COHERENT_RAM_BASE, BL2_COHERENT_RAM_LIMIT +#endif /* USE_COHERENT_MEM */ + ); +#endif /* RCAR_BL2_DCACHE == 1 */ +} + +void bl2_platform_setup(void) +{ + /* + * Place holder for performing any platform initialization specific + * to BL2. + */ +} + +static void bl2_init_generic_timer(void) +{ +#if RCAR_LSI == RZ_G2E + uint32_t reg_cntfid = EXTAL_EBISU; +#else + uint32_t reg_cntfid; + uint32_t modemr; + uint32_t modemr_pll; + uint32_t pll_table[] = { + EXTAL_MD14_MD13_TYPE_0, /* MD14/MD13 : 0b00 */ + EXTAL_MD14_MD13_TYPE_1, /* MD14/MD13 : 0b01 */ + EXTAL_MD14_MD13_TYPE_2, /* MD14/MD13 : 0b10 */ + EXTAL_MD14_MD13_TYPE_3 /* MD14/MD13 : 0b11 */ + }; + + modemr = mmio_read_32(RCAR_MODEMR); + modemr_pll = (modemr & MODEMR_BOOT_PLL_MASK); + + /* Set frequency data in CNTFID0 */ + reg_cntfid = pll_table[modemr_pll >> MODEMR_BOOT_PLL_SHIFT]; +#endif /* RCAR_LSI == RZ_G2E */ + + /* Update memory mapped and register based frequency */ + write_cntfrq_el0((u_register_t)reg_cntfid); + mmio_write_32(ARM_SYS_CNTCTL_BASE + (uintptr_t)CNTFID_OFF, reg_cntfid); + /* Enable counter */ + mmio_setbits_32(RCAR_CNTC_BASE + (uintptr_t)CNTCR_OFF, + (uint32_t)CNTCR_EN); +} diff --git a/plat/renesas/rzg/platform.mk b/plat/renesas/rzg/platform.mk new file mode 100644 index 0000000..f37d7d0 --- /dev/null +++ b/plat/renesas/rzg/platform.mk @@ -0,0 +1,274 @@ +# +# Copyright (c) 2018-2021, Renesas Electronics Corporation. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +include plat/renesas/common/common.mk + +ifndef LSI + $(error "Error: Unknown LSI. Please use LSI=<LSI name> to specify the LSI") +else + ifeq (${LSI},AUTO) + RCAR_LSI:=${RCAR_AUTO} + else ifeq (${LSI},G2M) + RCAR_LSI:=${RZ_G2M} + ifndef LSI_CUT + # enable compatible function. + RCAR_LSI_CUT_COMPAT := 1 + $(eval $(call add_define,RCAR_LSI_CUT_COMPAT)) + else + # disable compatible function. + ifeq (${LSI_CUT},10) + RCAR_LSI_CUT:=0 + else ifeq (${LSI_CUT},11) + RCAR_LSI_CUT:=1 + else ifeq (${LSI_CUT},13) + RCAR_LSI_CUT:=3 + else ifeq (${LSI_CUT},30) + RCAR_LSI_CUT:=20 + else + $(error "Error: ${LSI_CUT} is not supported.") + endif + $(eval $(call add_define,RCAR_LSI_CUT)) + endif + else ifeq (${LSI},G2H) + RCAR_LSI:=${RZ_G2H} + ifndef LSI_CUT + # enable compatible function. + RCAR_LSI_CUT_COMPAT := 1 + $(eval $(call add_define,RCAR_LSI_CUT_COMPAT)) + else + # disable compatible function. + ifeq (${LSI_CUT},30) + RCAR_LSI_CUT:=20 + else + $(error "Error: ${LSI_CUT} is not supported.") + endif + $(eval $(call add_define,RCAR_LSI_CUT)) + endif + else ifeq (${LSI},G2N) + RCAR_LSI:=${RZ_G2N} + ifndef LSI_CUT + # enable compatible function. + RCAR_LSI_CUT_COMPAT := 1 + $(eval $(call add_define,RCAR_LSI_CUT_COMPAT)) + else + # disable compatible function. + ifeq (${LSI_CUT},10) + RCAR_LSI_CUT:=0 + else ifeq (${LSI_CUT},11) + RCAR_LSI_CUT:=1 + else + $(error "Error: ${LSI_CUT} is not supported.") + endif + $(eval $(call add_define,RCAR_LSI_CUT)) + endif + else ifeq (${LSI},G2E) + RCAR_LSI:=${RZ_G2E} + ifndef LSI_CUT + # enable compatible function. + RCAR_LSI_CUT_COMPAT := 1 + $(eval $(call add_define,RCAR_LSI_CUT_COMPAT)) + else + # disable compatible function. + ifeq (${LSI_CUT},10) + RCAR_LSI_CUT:=0 + else ifeq (${LSI_CUT},11) + RCAR_LSI_CUT:=1 + else + $(error "Error: ${LSI_CUT} is not supported.") + endif + $(eval $(call add_define,RCAR_LSI_CUT)) + endif + else + $(error "Error: ${LSI} is not supported.") + endif + $(eval $(call add_define,RCAR_LSI)) +endif + +# Process RZG_LCS_STATE_DETECTION_ENABLE flag +# Enable to get LCS state information +ifndef RZG_LCS_STATE_DETECTION_ENABLE +RZG_LCS_STATE_DETECTION_ENABLE := 0 +endif +$(eval $(call add_define,RZG_LCS_STATE_DETECTION_ENABLE)) + +# Process RCAR_SECURE_BOOT flag +ifndef RCAR_SECURE_BOOT +RCAR_SECURE_BOOT := 0 +endif +$(eval $(call add_define,RCAR_SECURE_BOOT)) + +# LCS state of RZ/G2 Chip is all CM. +# However certain chips(RZ/G2M and RZ/G2E) have incorrect factory Fuse settings +# which results in getting incorrect LCS states +# if need to enable RCAR_SECURE_BOOT, make sure the chip has proper factory Fuse settings. +ifeq (${RCAR_SECURE_BOOT},1) + ifeq (${RZG_LCS_STATE_DETECTION_ENABLE},0) + $(error "Error: Please check the chip has proper factory Fuse settings and set RZG_LCS_STATE_DETECTION_ENABLE to enable.") + endif +endif + +# lock RPC HYPERFLASH access by default +# unlock to repogram the ATF firmware from u-boot +ifndef RCAR_RPC_HYPERFLASH_LOCKED +RCAR_RPC_HYPERFLASH_LOCKED := 1 +endif +$(eval $(call add_define,RCAR_RPC_HYPERFLASH_LOCKED)) + +# Process RCAR_QOS_TYPE flag +ifndef RCAR_QOS_TYPE +RCAR_QOS_TYPE := 0 +endif +$(eval $(call add_define,RCAR_QOS_TYPE)) + +# Process RCAR_DRAM_SPLIT flag +ifndef RCAR_DRAM_SPLIT +RCAR_DRAM_SPLIT := 0 +endif +$(eval $(call add_define,RCAR_DRAM_SPLIT)) + +# Process RCAR_BL33_EXECUTION_EL flag +ifndef RCAR_BL33_EXECUTION_EL +RCAR_BL33_EXECUTION_EL := 0 +endif +$(eval $(call add_define,RCAR_BL33_EXECUTION_EL)) + +# Process RCAR_AVS_SETTING_ENABLE flag +ifndef AVS_SETTING_ENABLE +AVS_SETTING_ENABLE := 0 +endif +$(eval $(call add_define,AVS_SETTING_ENABLE)) + +# Process RCAR_LOSSY_ENABLE flag +ifndef RCAR_LOSSY_ENABLE +RCAR_LOSSY_ENABLE := 0 +endif +$(eval $(call add_define,RCAR_LOSSY_ENABLE)) + +# Process LIFEC_DBSC_PROTECT_ENABLE flag +ifndef LIFEC_DBSC_PROTECT_ENABLE +LIFEC_DBSC_PROTECT_ENABLE := 1 +endif +$(eval $(call add_define,LIFEC_DBSC_PROTECT_ENABLE)) + +# Process RCAR_GEN3_ULCB flag +ifndef RCAR_GEN3_ULCB +RCAR_GEN3_ULCB := 0 +endif + +# Process RCAR_REF_INT flag +ifndef RCAR_REF_INT +RCAR_REF_INT :=0 +endif +$(eval $(call add_define,RCAR_REF_INT)) + +# Process RCAR_REWT_TRAINING flag +ifndef RCAR_REWT_TRAINING +RCAR_REWT_TRAINING := 1 +endif +$(eval $(call add_define,RCAR_REWT_TRAINING)) + +# Process RCAR_SYSTEM_SUSPEND flag +ifndef RCAR_SYSTEM_SUSPEND +RCAR_SYSTEM_SUSPEND := 0 +endif +$(eval $(call add_define,RCAR_SYSTEM_SUSPEND)) + +# Process RCAR_DRAM_LPDDR4_MEMCONF flag +ifndef RCAR_DRAM_LPDDR4_MEMCONF +RCAR_DRAM_LPDDR4_MEMCONF :=1 +endif +$(eval $(call add_define,RCAR_DRAM_LPDDR4_MEMCONF)) + +# Process RCAR_DRAM_DDR3L_MEMCONF flag +ifndef RCAR_DRAM_DDR3L_MEMCONF +RCAR_DRAM_DDR3L_MEMCONF :=1 +endif +$(eval $(call add_define,RCAR_DRAM_DDR3L_MEMCONF)) + +# Process RCAR_DRAM_DDR3L_MEMDUAL flag +ifndef RCAR_DRAM_DDR3L_MEMDUAL +RCAR_DRAM_DDR3L_MEMDUAL :=1 +endif +$(eval $(call add_define,RCAR_DRAM_DDR3L_MEMDUAL)) + +# Process RCAR_BL33_ARG0 flag +ifdef RCAR_BL33_ARG0 +$(eval $(call add_define,RCAR_BL33_ARG0)) +endif + +#Process RCAR_BL2_DCACHE flag +ifndef RCAR_BL2_DCACHE +RCAR_BL2_DCACHE := 0 +endif +$(eval $(call add_define,RCAR_BL2_DCACHE)) + +# Process RCAR_DRAM_CHANNEL flag +ifndef RCAR_DRAM_CHANNEL +RCAR_DRAM_CHANNEL :=15 +endif +$(eval $(call add_define,RCAR_DRAM_CHANNEL)) + +#Process RCAR_SYSTEM_RESET_KEEPON_DDR flag +ifndef RCAR_SYSTEM_RESET_KEEPON_DDR +RCAR_SYSTEM_RESET_KEEPON_DDR := 0 +endif +$(eval $(call add_define,RCAR_SYSTEM_RESET_KEEPON_DDR)) + +RZG_SOC :=1 +$(eval $(call add_define,RZG_SOC)) + +include drivers/renesas/common/ddr/ddr.mk +include drivers/renesas/rzg/qos/qos.mk +include drivers/renesas/rzg/pfc/pfc.mk +include lib/libfdt/libfdt.mk + +PLAT_INCLUDES += -Idrivers/renesas/common/ddr \ + -Idrivers/renesas/rzg/qos \ + -Idrivers/renesas/rzg/board \ + -Idrivers/renesas/common \ + -Idrivers/renesas/common/iic_dvfs \ + -Idrivers/renesas/common/avs \ + -Idrivers/renesas/common/delay \ + -Idrivers/renesas/common/rom \ + -Idrivers/renesas/common/scif \ + -Idrivers/renesas/common/emmc \ + -Idrivers/renesas/common/pwrc \ + -Idrivers/renesas/common/io + +BL2_SOURCES += plat/renesas/rzg/bl2_plat_setup.c \ + drivers/renesas/rzg/board/board.c + +# build the layout images for the bootrom and the necessary srecords +rzg: rzg_layout_create rzg_srecord +distclean realclean clean: clean_layout_tool clean_srecord + +# layout images +LAYOUT_TOOLPATH ?= tools/renesas/rzg_layout_create + +clean_layout_tool: + @echo "clean layout tool" + ${Q}${MAKE} -C ${LAYOUT_TOOLPATH} clean + +.PHONY: rzg_layout_create +rzg_layout_create: + @echo "generating layout srecs" + ${Q}${MAKE} CPPFLAGS="-D=AARCH64" --no-print-directory -C ${LAYOUT_TOOLPATH} + +# srecords +SREC_PATH = ${BUILD_PLAT} +BL2_ELF_SRC = ${SREC_PATH}/bl2/bl2.elf +BL31_ELF_SRC = ${SREC_PATH}/bl31/bl31.elf + +clean_srecord: + @echo "clean bl2 and bl31 srecs" + rm -f ${SREC_PATH}/bl2.srec ${SREC_PATH}/bl31.srec + +.PHONY: rzg_srecord +rzg_srecord: $(BL2_ELF_SRC) $(BL31_ELF_SRC) + @echo "generating srec: ${SREC_PATH}/bl2.srec" + $(Q)$(OC) -O srec --srec-forceS3 ${BL2_ELF_SRC} ${SREC_PATH}/bl2.srec + @echo "generating srec: ${SREC_PATH}/bl31.srec" + $(Q)$(OC) -O srec --srec-forceS3 ${BL31_ELF_SRC} ${SREC_PATH}/bl31.srec |