diff options
Diffstat (limited to 'board/sunxi/board.c')
| -rw-r--r-- | board/sunxi/board.c | 72 |
1 files changed, 60 insertions, 12 deletions
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index d1d7f9f400..b196d48674 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -255,9 +255,42 @@ int board_init(void) return soft_i2c_board_init(); } +/* + * On older SoCs the SPL is actually at address zero, so using NULL as + * an error value does not work. + */ +#define INVALID_SPL_HEADER ((void *)~0UL) + +static struct boot_file_head * get_spl_header(uint8_t req_version) +{ + struct boot_file_head *spl = (void *)(ulong)SPL_ADDR; + uint8_t spl_header_version = spl->spl_signature[3]; + + /* Is there really the SPL header (still) there? */ + if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) != 0) + return INVALID_SPL_HEADER; + + if (spl_header_version < req_version) { + printf("sunxi SPL version mismatch: expected %u, got %u\n", + req_version, spl_header_version); + return INVALID_SPL_HEADER; + } + + return spl; +} + int dram_init(void) { - gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0, PHYS_SDRAM_0_SIZE); + struct boot_file_head *spl = get_spl_header(SPL_DRAM_HEADER_VERSION); + + if (spl == INVALID_SPL_HEADER) + gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0, + PHYS_SDRAM_0_SIZE); + else + gd->ram_size = (phys_addr_t)spl->dram_size << 20; + + if (gd->ram_size > CONFIG_SUNXI_DRAM_MAX_SIZE) + gd->ram_size = CONFIG_SUNXI_DRAM_MAX_SIZE; return 0; } @@ -521,6 +554,21 @@ int board_mmc_init(bd_t *bis) #endif #ifdef CONFIG_SPL_BUILD + +static void sunxi_spl_store_dram_size(phys_addr_t dram_size) +{ + struct boot_file_head *spl = get_spl_header(SPL_DT_HEADER_VERSION); + + if (spl == INVALID_SPL_HEADER) + return; + + /* Promote the header version for U-Boot proper, if needed. */ + if (spl->spl_signature[3] < SPL_DRAM_HEADER_VERSION) + spl->spl_signature[3] = SPL_DRAM_HEADER_VERSION; + + spl->dram_size = dram_size >> 20; +} + void sunxi_board_init(void) { int power_failed = 0; @@ -589,6 +637,8 @@ void sunxi_board_init(void) if (!gd->ram_size) hang(); + sunxi_spl_store_dram_size(gd->ram_size); + /* * Only clock up the CPU to full speed if we are reasonably * assured it's being powered with suitable core voltage @@ -662,16 +712,11 @@ void get_board_serial(struct tag_serialnr *serialnr) */ static void parse_spl_header(const uint32_t spl_addr) { - struct boot_file_head *spl = (void *)(ulong)spl_addr; - if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) != 0) - return; /* signature mismatch, no usable header */ + struct boot_file_head *spl = get_spl_header(SPL_ENV_HEADER_VERSION); - uint8_t spl_header_version = spl->spl_signature[3]; - if (spl_header_version != SPL_HEADER_VERSION) { - printf("sunxi SPL version mismatch: expected %u, got %u\n", - SPL_HEADER_VERSION, spl_header_version); + if (spl == INVALID_SPL_HEADER) return; - } + if (!spl->fel_script_address) return; @@ -806,11 +851,11 @@ int ft_board_setup(void *blob, bd_t *bd) #ifdef CONFIG_SPL_LOAD_FIT int board_fit_config_name_match(const char *name) { - struct boot_file_head *spl = (void *)(ulong)SPL_ADDR; - const char *cmp_str = (void *)(ulong)SPL_ADDR; + struct boot_file_head *spl = get_spl_header(SPL_DT_HEADER_VERSION); + const char *cmp_str = (const char *)spl; /* Check if there is a DT name stored in the SPL header and use that. */ - if (spl->dt_name_offset) { + if (spl != INVALID_SPL_HEADER && spl->dt_name_offset) { cmp_str += spl->dt_name_offset; } else { #ifdef CONFIG_DEFAULT_DEVICE_TREE @@ -820,6 +865,7 @@ int board_fit_config_name_match(const char *name) #endif }; +#ifdef CONFIG_PINE64_DT_SELECTION /* Differentiate the two Pine64 board DTs by their DRAM size. */ if (strstr(name, "-pine64") && strstr(cmp_str, "-pine64")) { if ((gd->ram_size > 512 * 1024 * 1024)) @@ -829,5 +875,7 @@ int board_fit_config_name_match(const char *name) } else { return strcmp(name, cmp_str); } +#endif + return strcmp(name, cmp_str); } #endif |