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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2016-06-17 10:00:28 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2016-06-22 10:50:51 +0200 |
| commit | 75d139bdf28077c46b144f8380bb275fddb1bb6b (patch) | |
| tree | 812fd5b40f90a2aabfd47036bea8c210b0aef2e8 | |
| parent | 8431fcb8c8e248d777723e0a6651b9030d29cf8e (diff) | |
| download | coreboot-75d139bdf28077c46b144f8380bb275fddb1bb6b.tar.xz | |
intel/model_206ax: Prepare for dynamic CONFIG_RAMTOP
Change-Id: Ib3250677ee926deaa957c83aca7479eb0159358c
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/15231
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
| -rw-r--r-- | src/cpu/intel/model_206ax/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/cpu/intel/model_206ax/cache_as_ram.inc | 10 | ||||
| -rw-r--r-- | src/northbridge/intel/sandybridge/romstage.c | 5 |
3 files changed, 13 insertions, 3 deletions
diff --git a/src/cpu/intel/model_206ax/Makefile.inc b/src/cpu/intel/model_206ax/Makefile.inc index 6042991ef4..25f07425dd 100644 --- a/src/cpu/intel/model_206ax/Makefile.inc +++ b/src/cpu/intel/model_206ax/Makefile.inc @@ -10,3 +10,4 @@ cpu_microcode_bins += 3rdparty/blobs/cpu/intel/model_206ax/microcode.bin cpu_microcode_bins += 3rdparty/blobs/cpu/intel/model_306ax/microcode.bin cpu_incs-y += $(src)/cpu/intel/model_206ax/cache_as_ram.inc +romstage-y += ../car/romstage.c diff --git a/src/cpu/intel/model_206ax/cache_as_ram.inc b/src/cpu/intel/model_206ax/cache_as_ram.inc index 56feab994e..0dc3cab1dd 100644 --- a/src/cpu/intel/model_206ax/cache_as_ram.inc +++ b/src/cpu/intel/model_206ax/cache_as_ram.inc @@ -172,7 +172,12 @@ clear_mtrrs: before_romstage: post_code(0x29) /* Call romstage.c main function. */ - call main + call romstage_main + + /* Save return value from romstage_main. It contains the stack to use + * after cache-as-ram is torn down. + */ + movl %eax, %ebx post_code(0x2f) @@ -303,7 +308,8 @@ __main: post_code(POST_PREPARE_RAMSTAGE) cld /* Clear direction flag. */ - movl $CONFIG_RAMTOP, %esp + /* Setup stack as indicated by return value from romstage_main(). */ + movl %ebx, %esp movl %esp, %ebp call copy_and_run diff --git a/src/northbridge/intel/sandybridge/romstage.c b/src/northbridge/intel/sandybridge/romstage.c index df0c5bbba5..a2ca1c1835 100644 --- a/src/northbridge/intel/sandybridge/romstage.c +++ b/src/northbridge/intel/sandybridge/romstage.c @@ -43,7 +43,10 @@ static void early_pch_init(void) pci_write_config8(PCH_LPC_DEV, 0xa4, reg8); } -void main(unsigned long bist) +/* Platform has no romstage entry point under mainboard directory, + * so this one is named with prefix mainboard. + */ +void mainboard_romstage_entry(unsigned long bist) { int s3resume = 0; |