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| author | Bin Meng <bmeng.cn@gmail.com> | 2015-10-11 21:37:42 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-10-21 07:46:27 -0600 |
| commit | ff1e18af9dad21fe4963da80b3cf4170f8d6f209 (patch) | |
| tree | 3b97da44251c910c52ac80fc30850dc1ca87d8e6 /arch/x86 | |
| parent | 4b9f6a669ee22ac4694a3a339e94e8fe30bfad1f (diff) | |
| download | blackbird-obmc-uboot-ff1e18af9dad21fe4963da80b3cf4170f8d6f209.tar.gz blackbird-obmc-uboot-ff1e18af9dad21fe4963da80b3cf4170f8d6f209.zip | |
x86: fsp: Pass mrc cache to fsp_init() and save it to gd after fsp_init()
fsp_init() call has a parameter nvs_buf which is used by FSP as the
MRC cache but currently is blindly set to NULL. Retreive the MRC
cache from SPI flash and pass it to fsp_init() call. After the call,
save FSP produced MRC cache to SPI flash too.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/lib/fsp/fsp_common.c | 30 | ||||
| -rw-r--r-- | arch/x86/lib/fsp/fsp_dram.c | 6 |
2 files changed, 35 insertions, 1 deletions
diff --git a/arch/x86/lib/fsp/fsp_common.c b/arch/x86/lib/fsp/fsp_common.c index 658f32d583..c78df94b80 100644 --- a/arch/x86/lib/fsp/fsp_common.c +++ b/arch/x86/lib/fsp/fsp_common.c @@ -7,6 +7,7 @@ #include <common.h> #include <errno.h> #include <asm/io.h> +#include <asm/mrccache.h> #include <asm/post.h> #include <asm/processor.h> #include <asm/fsp/fsp_support.h> @@ -54,15 +55,42 @@ void board_final_cleanup(void) return; } +static __maybe_unused void *fsp_prepare_mrc_cache(void) +{ + struct mrc_data_container *cache; + struct mrc_region entry; + int ret; + + ret = mrccache_get_region(NULL, &entry); + if (ret) + return NULL; + + cache = mrccache_find_current(&entry); + if (!cache) + return NULL; + + debug("%s: mrc cache at %p, size %x checksum %04x\n", __func__, + cache->data, cache->data_size, cache->checksum); + + return cache->data; +} + int x86_fsp_init(void) { + void *nvs; + if (!gd->arch.hob_list) { +#ifdef CONFIG_ENABLE_MRC_CACHE + nvs = fsp_prepare_mrc_cache(); +#else + nvs = NULL; +#endif /* * The first time we enter here, call fsp_init(). * Note the execution does not return to this function, * instead it jumps to fsp_continue(). */ - fsp_init(CONFIG_FSP_TEMP_RAM_ADDR, BOOT_FULL_CONFIG, NULL); + fsp_init(CONFIG_FSP_TEMP_RAM_ADDR, BOOT_FULL_CONFIG, nvs); } else { /* * The second time we enter here, adjust the size of malloc() diff --git a/arch/x86/lib/fsp/fsp_dram.c b/arch/x86/lib/fsp/fsp_dram.c index e51ca96eb7..fcfe693ce5 100644 --- a/arch/x86/lib/fsp/fsp_dram.c +++ b/arch/x86/lib/fsp/fsp_dram.c @@ -7,6 +7,7 @@ #include <common.h> #include <asm/fsp/fsp_support.h> #include <asm/e820.h> +#include <asm/mrccache.h> #include <asm/post.h> DECLARE_GLOBAL_DATA_PTR; @@ -32,6 +33,11 @@ int dram_init(void) gd->ram_size = ram_size; post_code(POST_DRAM); +#ifdef CONFIG_ENABLE_MRC_CACHE + gd->arch.mrc_output = fsp_get_nvs_data(gd->arch.hob_list, + &gd->arch.mrc_output_len); +#endif + return 0; } |
