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author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2017-07-15 19:57:44 +0300 |
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committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2017-09-09 11:16:28 +0000 |
commit | d35c06d09ee79eb76ec491431b3df4149100ad52 (patch) | |
tree | 2546910ccbf537aa152954c0a3f2113004dc64f7 /src/southbridge/amd/sb800/early_setup.c | |
parent | b617e32bb99af608b7609583815e876d348025ac (diff) |
sb/amd: Support CBMEM_TOP_BACKUP
Change-Id: I8d2005e4f2aa5a3b46e30f52556ee66aeb3d10cc
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21154
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/southbridge/amd/sb800/early_setup.c')
-rw-r--r-- | src/southbridge/amd/sb800/early_setup.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/src/southbridge/amd/sb800/early_setup.c b/src/southbridge/amd/sb800/early_setup.c index 9ac66fb45d..badc4a7b05 100644 --- a/src/southbridge/amd/sb800/early_setup.c +++ b/src/southbridge/amd/sb800/early_setup.c @@ -17,10 +17,8 @@ #define _SB800_EARLY_SETUP_C_ #include <reset.h> -#include <arch/acpi.h> #include <arch/cpu.h> #include <southbridge/amd/common/amd_defs.h> -#include <cbmem.h> #include "sb800.h" #include "smbus.c" @@ -658,26 +656,4 @@ int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos) return nvram_pos; } -int acpi_get_sleep_type(void) -{ - u16 tmp; - tmp = inw(ACPI_PM1_CNT_BLK); - return ((tmp & (7 << 10)) >> 10); -} - -uintptr_t restore_top_of_low_cacheable(void) -{ - uint32_t xdata = 0; - int xnvram_pos = 0xfc, xi; - if (acpi_get_sleep_type() != 3) - return 0; - for (xi = 0; xi < 4; xi++) { - outb(xnvram_pos, BIOSRAM_INDEX); - xdata &= ~(0xff << (xi * 8)); - xdata |= inb(BIOSRAM_DATA) << (xi *8); - xnvram_pos++; - } - return xdata; -} - #endif |