diff options
Diffstat (limited to 'src/soc/samsung/exynos5420/alternate_cbfs.c')
| -rw-r--r-- | src/soc/samsung/exynos5420/alternate_cbfs.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/src/soc/samsung/exynos5420/alternate_cbfs.c b/src/soc/samsung/exynos5420/alternate_cbfs.c index d19098b948..7fc0e6d6fb 100644 --- a/src/soc/samsung/exynos5420/alternate_cbfs.c +++ b/src/soc/samsung/exynos5420/alternate_cbfs.c @@ -22,6 +22,7 @@ #include <cbfs.h> /* This driver serves as a CBFS media source. */ #include <stdlib.h> #include <string.h> +#include <symbols.h> #include <arch/cache.h> #include <console/console.h> #include "alternate_cbfs.h" @@ -34,14 +35,14 @@ * by the IROM / BL1, so this code has nothing to do with them. * * The third transfer is a valid CBFS image that contains only the romstage, - * and must be small enough to fit into alternate_cbfs_size[__BOOT_BLOCK__] in + * and must be small enough to fit into the PRE_RAM CBFS cache in * IRAM. It is loaded when this function gets called in the boot block, and * the normal CBFS code extracts the romstage from it. * * The fourth transfer is also a CBFS image, but can be of arbitrary size and * should contain all available stages/payloads/etc. It is loaded when this * function is called a second time at the end of the romstage, and copied to - * alternate_cbfs_buffer[!__BOOT_BLOCK__] in DRAM. It will reside there for the + * the romstage/ramstage CBFS cache in DRAM. It will reside there for the * rest of the firmware's lifetime and all subsequent stages (which will not * have __PRE_RAM__ defined) can just directly reference it there. */ @@ -64,12 +65,12 @@ static int usb_cbfs_open(struct cbfs_media *media) /* * We need to trust the host/irom to copy the image to our - * alternate_cbfs_buffer address... there is no way to control or even + * _cbfs_cache address... there is no way to control or even * check the transfer size or target address from our side. */ printk(BIOS_DEBUG, "USB A-A transfer successful, CBFS image should now" - " be at %p\n", alternate_cbfs_buffer); + " be at %p\n", _cbfs_cache); first_run = 0; #endif return 0; @@ -90,11 +91,11 @@ static int sdmmc_cbfs_open(struct cbfs_media *media) * In the bootblock, we just copy the small part that fits in the buffer * and hope that it's enough (since the romstage is currently always the * first component in the image, this should work out). In the romstage, - * we copy until our buffer is full (currently 12M) to avoid the pain of + * we copy until our cache is full (currently 12M) to avoid the pain of * figuring out the true image size from in here. Since this is mainly a * developer/debug boot mode, those shortcomings should be bearable. */ - const u32 count = alternate_cbfs_size / 512; + const u32 count = _cbfs_cache_size / 512; static int first_run = 1; int (*irom_load_sdmmc)(u32 start, u32 count, void *dst) = *irom_sdmmc_read_blocks_ptr; @@ -103,7 +104,7 @@ static int sdmmc_cbfs_open(struct cbfs_media *media) return 0; dcache_mmu_disable(); - if (!irom_load_sdmmc(1, count, alternate_cbfs_buffer)) { + if (!irom_load_sdmmc(1, count, _cbfs_cache)) { dcache_mmu_enable(); printk(BIOS_EMERG, "Unable to load CBFS image from SDMMC!\n"); return -1; @@ -111,7 +112,7 @@ static int sdmmc_cbfs_open(struct cbfs_media *media) dcache_mmu_enable(); printk(BIOS_DEBUG, "SDMMC read successful, CBFS image should now be" - " at %p\n", alternate_cbfs_buffer); + " at %p\n", _cbfs_cache); first_run = 0; #endif return 0; @@ -122,16 +123,16 @@ static int alternate_cbfs_close(struct cbfs_media *media) { return 0; } static size_t alternate_cbfs_read(struct cbfs_media *media, void *dest, size_t offset, size_t count) { - ASSERT(offset + count < alternate_cbfs_size); - memcpy(dest, alternate_cbfs_buffer + offset, count); + ASSERT(offset + count < _cbfs_cache_size); + memcpy(dest, _cbfs_cache + offset, count); return count; } static void *alternate_cbfs_map(struct cbfs_media *media, size_t offset, size_t count) { - ASSERT(offset + count < alternate_cbfs_size); - return alternate_cbfs_buffer + offset; + ASSERT(offset + count < _cbfs_cache_size); + return _cbfs_cache + offset; } static void *alternate_cbfs_unmap(struct cbfs_media *media, @@ -173,8 +174,7 @@ int init_default_cbfs_media(struct cbfs_media *media) return initialize_exynos_sdmmc_cbfs_media(media); case OM_STAT_SPI: return initialize_exynos_spi_cbfs_media(media, - (void*)CONFIG_CBFS_CACHE_ADDRESS, - CONFIG_CBFS_CACHE_SIZE); + _cbfs_cache, _cbfs_cache_size); default: printk(BIOS_EMERG, "Exynos OM_STAT value 0x%x not supported!\n", exynos_power->om_stat); |