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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2017-04-12 04:31:54 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2017-08-02 04:50:33 +0000 |
| commit | fb32be4090f088da8db877d3dce42d95b50212b6 (patch) | |
| tree | d8ab453bfd95b773b96be927b25e020bf0399f08 /src/cpu | |
| parent | a18f58b862061cb68fd1c6afc862d31dd6ac69e3 (diff) | |
| download | coreboot-fb32be4090f088da8db877d3dce42d95b50212b6.tar.xz | |
AGESA: Implement EARLY_CBMEM_INIT
Boards without AGESA_LEGACY_WRAPPER gain EARLY_CBMEM_INIT.
This does not apply to family12 and family14 just yet, as
they do invalidate without write-back on CAR teardown.
Change-Id: I008356efa2bc3df0ed1f0720e225ecc7e9995127
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/19329
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/amd/agesa/romstage.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/src/cpu/amd/agesa/romstage.c b/src/cpu/amd/agesa/romstage.c index 54ef602d20..cb98e7b6d3 100644 --- a/src/cpu/amd/agesa/romstage.c +++ b/src/cpu/amd/agesa/romstage.c @@ -23,6 +23,7 @@ #include <console/console.h> #include <halt.h> #include <program_loading.h> +#include <romstage_handoff.h> #include <smp/node.h> #include <string.h> #include <northbridge/amd/agesa/agesa_helper.h> @@ -52,6 +53,8 @@ void * asmlinkage romstage_main(unsigned long bist) struct sysinfo romstage_state; struct sysinfo *cb = &romstage_state; u8 initial_apic_id = (u8) (cpuid_ebx(1) >> 24); + uintptr_t stack_top = CACHE_TMP_RAMTOP; + int cbmem_initted = 0; fill_sysinfo(cb); @@ -85,17 +88,23 @@ void * asmlinkage romstage_main(unsigned long bist) } - uintptr_t stack_top = CACHE_TMP_RAMTOP; - if (cb->s3resume) { - if (cbmem_recovery(1)) { - printk(BIOS_EMERG, "Unable to recover CBMEM\n"); - halt(); - } + if (IS_ENABLED(CONFIG_EARLY_CBMEM_INIT) || cb->s3resume) + cbmem_initted = !cbmem_recovery(cb->s3resume); + + if (cb->s3resume && !cbmem_initted) { + printk(BIOS_EMERG, "Unable to recover CBMEM\n"); + halt(); + } + + if (IS_ENABLED(CONFIG_EARLY_CBMEM_INIT) || cb->s3resume) { stack_top = romstage_ram_stack_base(HIGH_ROMSTAGE_STACK_SIZE, ROMSTAGE_STACK_CBMEM); stack_top += HIGH_ROMSTAGE_STACK_SIZE; } + if (IS_ENABLED(CONFIG_EARLY_CBMEM_INIT)) + romstage_handoff_init(cb->s3resume); + printk(BIOS_DEBUG, "Move CAR stack.\n"); return (void*)stack_top; } |