diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0021-northbridge-amd-amdfam10-Add-Suspend-to-RAM-S3-Flash.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0021-northbridge-amd-amdfam10-Add-Suspend-to-RAM-S3-Flash.patch | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0021-northbridge-amd-amdfam10-Add-Suspend-to-RAM-S3-Flash.patch b/resources/libreboot/patch/kgpe-d16/0021-northbridge-amd-amdfam10-Add-Suspend-to-RAM-S3-Flash.patch new file mode 100644 index 0000000..d9b8f34 --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0021-northbridge-amd-amdfam10-Add-Suspend-to-RAM-S3-Flash.patch @@ -0,0 +1,156 @@ +From 9e460817405fe102ad414a71c85ff2b68a8f4469 Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <kb9vqf@pearsoncomputing.net> +Date: Sat, 5 Sep 2015 18:39:34 -0500 +Subject: [PATCH 021/146] northbridge/amd/amdfam10: Add Suspend to RAM (S3) + Flash data storage area + +--- + src/northbridge/amd/amdfam10/Kconfig | 6 +++ + src/northbridge/amd/amdfam10/Makefile.inc | 19 ++++++++++ + src/northbridge/amd/amdfam10/northbridge.c | 4 ++ + src/northbridge/amd/amdfam10/raminit_amdmct.c | 50 ++++++++++++++----------- + 4 files changed, 57 insertions(+), 22 deletions(-) + +diff --git a/src/northbridge/amd/amdfam10/Kconfig b/src/northbridge/amd/amdfam10/Kconfig +index 4d7147d..ff92fca 100644 +--- a/src/northbridge/amd/amdfam10/Kconfig ++++ b/src/northbridge/amd/amdfam10/Kconfig +@@ -89,6 +89,12 @@ if DIMM_FBDIMM + default 0x0110 + endif + ++if HAVE_ACPI_RESUME ++ config S3_DATA_SIZE ++ int ++ default 16384 ++endif ++ + if DIMM_DDR2 + if DIMM_REGISTERED + config DIMM_SUPPORT +diff --git a/src/northbridge/amd/amdfam10/Makefile.inc b/src/northbridge/amd/amdfam10/Makefile.inc +index 8a105fd..b4097b4 100644 +--- a/src/northbridge/amd/amdfam10/Makefile.inc ++++ b/src/northbridge/amd/amdfam10/Makefile.inc +@@ -15,4 +15,23 @@ ramstage-y += get_pci1234.c + # Call show_all_routes() anywhere amdfam10.h is included. + #ramstage-y += util.c + ++ifeq ($(CONFIG_HAVE_ACPI_RESUME), y) ++ ++$(obj)/coreboot_s3nv.rom: $(obj)/config.h ++ echo " S3 NVRAM $(CONFIG_S3_DATA_POS) (S3 storage area)" ++ # force C locale, so cygwin awk doesn't try to interpret the 0xff below as UTF-8 (or worse) ++ printf %d $(CONFIG_S3_DATA_SIZE) | LC_ALL=C awk '{for (i=0; i<$$1*2; i++) {printf "%c", 255}}' > $@.tmp ++ mv $@.tmp $@ ++ ++cbfs-files-y += s3nv ++s3nv-file := $(obj)/coreboot_s3nv.rom ++s3nv-position := $(CONFIG_S3_DATA_POS) ++s3nv-type := raw ++ ++ifeq ($(CONFIG_DIMM_DDR3), y) ++ramstage-y += ../amdmct/mct_ddr3/s3utils.c ++endif ++ ++endif ++ + endif +diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c +index 7bd8675..880129b 100644 +--- a/src/northbridge/amd/amdfam10/northbridge.c ++++ b/src/northbridge/amd/amdfam10/northbridge.c +@@ -54,6 +54,8 @@ + #include <sb_cimx.h> + #endif + ++#include "../amdmct/mct_ddr3/s3utils.h" ++ + struct amdfam10_sysconf_t sysconf; + + #define FX_DEVS NODE_NUMS +@@ -1413,6 +1415,8 @@ static void root_complex_enable_dev(struct device *dev) + /* Do not delay UMA setup, as a device on the PCI bus may evaluate + the global uma_memory variables already in its enable function. */ + if (!done) { ++ save_mct_information_to_nvram(); ++ + setup_bsp_ramtop(); + setup_uma_memory(); + done = 1; +diff --git a/src/northbridge/amd/amdfam10/raminit_amdmct.c b/src/northbridge/amd/amdfam10/raminit_amdmct.c +index fa14e4f..9c2612c 100644 +--- a/src/northbridge/amd/amdfam10/raminit_amdmct.c ++++ b/src/northbridge/amd/amdfam10/raminit_amdmct.c +@@ -101,6 +101,10 @@ static uint16_t mct_MaxLoadFreq(uint8_t count, uint8_t registered, uint16_t freq + #include "../amdmct/mct_ddr3/mct_d.h" + #include "../amdmct/mct_ddr3/mct_d_gcc.h" + ++#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) ++#include "../amdmct/mct_ddr3/s3utils.c" ++#endif ++ + #include "../amdmct/wrappers/mcti_d.c" + #include "../amdmct/mct_ddr3/mct_d.c" + +@@ -240,33 +244,35 @@ static void amdmct_cbmem_store_info(struct sys_info *sysinfo) + size_t i; + struct DCTStatStruc *pDCTstatA = NULL; + +- /* Allocate memory */ +- struct amdmct_memory_info* mem_info; +- mem_info = cbmem_add(CBMEM_ID_AMDMCT_MEMINFO, sizeof(struct amdmct_memory_info)); +- if (!mem_info) +- return; ++ if (!acpi_is_wakeup_s3()) { ++ /* Allocate memory */ ++ struct amdmct_memory_info* mem_info; ++ mem_info = cbmem_add(CBMEM_ID_AMDMCT_MEMINFO, sizeof(struct amdmct_memory_info)); ++ if (!mem_info) ++ return; + +- printk(BIOS_DEBUG, "%s: Storing AMDMCT configuration in CBMEM\n", __func__); ++ printk(BIOS_DEBUG, "%s: Storing AMDMCT configuration in CBMEM\n", __func__); + +- /* Initialize memory */ +- memset(mem_info, 0, sizeof(struct amdmct_memory_info)); ++ /* Initialize memory */ ++ memset(mem_info, 0, sizeof(struct amdmct_memory_info)); + +- /* Copy data */ +- memcpy(&mem_info->mct_stat, &(sysinfo->MCTstat), sizeof(struct MCTStatStruc)); +- for (i = 0; i < MAX_NODES_SUPPORTED; i++) { +- pDCTstatA = sysinfo->DCTstatA + i; +- memcpy(&mem_info->dct_stat[i], pDCTstatA, sizeof(struct DCTStatStruc)); +- } +- mem_info->ecc_enabled = mctGet_NVbits(NV_ECC_CAP); +- mem_info->ecc_scrub_rate = mctGet_NVbits(NV_DramBKScrub); ++ /* Copy data */ ++ memcpy(&mem_info->mct_stat, &(sysinfo->MCTstat), sizeof(struct MCTStatStruc)); ++ for (i = 0; i < MAX_NODES_SUPPORTED; i++) { ++ pDCTstatA = sysinfo->DCTstatA + i; ++ memcpy(&mem_info->dct_stat[i], pDCTstatA, sizeof(struct DCTStatStruc)); ++ } ++ mem_info->ecc_enabled = mctGet_NVbits(NV_ECC_CAP); ++ mem_info->ecc_scrub_rate = mctGet_NVbits(NV_DramBKScrub); + +- /* Zero out invalid/unused pointers */ ++ /* Zero out invalid/unused pointers */ + #if IS_ENABLED(CONFIG_DIMM_DDR3) +- for (i = 0; i < MAX_NODES_SUPPORTED; i++) { +- mem_info->dct_stat[i].C_MCTPtr = NULL; +- mem_info->dct_stat[i].C_DCTPtr[0] = NULL; +- mem_info->dct_stat[i].C_DCTPtr[1] = NULL; +- } ++ for (i = 0; i < MAX_NODES_SUPPORTED; i++) { ++ mem_info->dct_stat[i].C_MCTPtr = NULL; ++ mem_info->dct_stat[i].C_DCTPtr[0] = NULL; ++ mem_info->dct_stat[i].C_DCTPtr[1] = NULL; ++ } + #endif ++ } + } + #endif +-- +1.7.9.5 + |