From 66cabe7ba28a9abbbf228ef3688a4d2c17a5eba3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= Date: Sun, 1 Jul 2018 03:48:39 +0300 Subject: soc/amd/common: Refactor S3 helpers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Make the prototypes match what drivers/amd/agesa would rather see, in preparation to use the same code with open-source AGESA. Change-Id: I1506ee2f7ecf3cb6ec4cce37a030c05f78ec6d59 Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/c/coreboot/+/31490 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- src/soc/amd/common/block/s3/s3_resume.c | 59 +++++++++++++++++++++------------ 1 file changed, 38 insertions(+), 21 deletions(-) (limited to 'src/soc/amd/common/block/s3') diff --git a/src/soc/amd/common/block/s3/s3_resume.c b/src/soc/amd/common/block/s3/s3_resume.c index 74aa79c398..598036acf2 100644 --- a/src/soc/amd/common/block/s3/s3_resume.c +++ b/src/soc/amd/common/block/s3/s3_resume.c @@ -26,56 +26,73 @@ /* Training data versioning is not supported or tracked. */ #define DEFAULT_MRC_VERSION 0 -static void reboot_from_resume(const char *message) /* Does not return */ +static void __noreturn reboot_from_resume(const char *message) { printk(BIOS_ERR, "%s", message); set_pm1cnt_s5(); board_reset(); } -void get_s3nv_info(void **base, size_t *size) +AGESA_STATUS OemInitResume(S3_DATA_BLOCK *dataBlock) { + void *base; + size_t size; + int i; + uint32_t erased = 0xffffffff; struct region_device rdev; if (mrc_cache_get_current(MRC_TRAINING_DATA, DEFAULT_MRC_VERSION, &rdev)) reboot_from_resume("mrc_cache_get_current error, rebooting.\n"); - *base = rdev_mmap_full(&rdev); - *size = region_device_sz(&rdev); - if (!*base || !*size) + base = rdev_mmap_full(&rdev); + size = region_device_sz(&rdev); + if (!base || !size) reboot_from_resume("Error: S3 NV data not found, rebooting.\n"); /* Read 16 bytes to infer if the NV has been erased from flash. */ - int i; - uint32_t erased = 0xffffffff; for (i = 0; i < 4; i++) - erased &= read32((uint32_t *)*base + i); - + erased &= read32((uint32_t *)base + i); if (erased == 0xffffffff) reboot_from_resume("Error: S3 NV data invalid, rebooting.\n"); - printk(BIOS_SPEW, "S3 NV data @0x%p, 0x%0zx bytes\n", *base, *size); + dataBlock->NvStorage = base; + dataBlock->NvStorageSize = size; + printk(BIOS_SPEW, "S3 NV data @0x%p, 0x%0zx bytes\n", + dataBlock->NvStorage, (size_t)dataBlock->NvStorageSize); + + return AGESA_SUCCESS; } -void get_s3vol_info(void **base, size_t *size) +AGESA_STATUS OemS3LateRestore(S3_DATA_BLOCK *dataBlock) { - stage_cache_get_raw(STAGE_S3_DATA, base, size); - if (!*base || !*size) + void *base = NULL; + size_t size = 0; + + stage_cache_get_raw(STAGE_S3_DATA, &base, &size); + if (!base || !size) { printk(BIOS_ERR, "Error: S3 volatile data not found\n"); - else - printk(BIOS_SPEW, "S3 volatile data @0x%p 0x%0zx total bytes\n", - *base, *size); + return AGESA_FATAL; + } + + dataBlock->VolatileStorage = base; + dataBlock->VolatileStorageSize = size; + printk(BIOS_SPEW, "S3 volatile data @0x%p, 0x%0zx bytes\n", + dataBlock->VolatileStorage, (size_t)dataBlock->VolatileStorageSize); + + return AGESA_SUCCESS; } -int save_s3_info(void *nv_base, size_t nv_size, void *vol_base, size_t vol_size) +AGESA_STATUS OemS3Save(S3_DATA_BLOCK *dataBlock) { if (mrc_cache_stash_data(MRC_TRAINING_DATA, DEFAULT_MRC_VERSION, - nv_base, nv_size) < 0) { + dataBlock->NvStorage, dataBlock->NvStorageSize) < 0) { printk(BIOS_ERR, "Failed to stash MRC data\n"); - return -1; + return AGESA_CRITICAL; } - stage_cache_add_raw(STAGE_S3_DATA, vol_base, vol_size); - return 0; + stage_cache_add_raw(STAGE_S3_DATA, dataBlock->VolatileStorage, + dataBlock->VolatileStorageSize); + + return AGESA_SUCCESS; } -- cgit v1.2.3