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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-12-19 08:20:45 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2015-01-27 22:50:14 +0100 |
| commit | 2fb6b40ed0d4c4d169d4b909ad784e1841b50242 (patch) | |
| tree | 6d34fc2c9fd525ba86100881515087cc6dee0d6e /src/arch | |
| parent | 02aebb67b394a9cf81eade4a3952fce3a19c974c (diff) | |
| download | coreboot-2fb6b40ed0d4c4d169d4b909ad784e1841b50242.tar.xz | |
CBMEM: Support DYNAMIC_CBMEM with LATE_CBMEM_INIT
We can now create CBMEM with dynamic allocation even if CBMEM
location is resolved late in ramstage.
Change-Id: I8529ccbcd4a0e567ebe0a46232ac5d16476e81a8
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7861
Reviewed-by: Aaron Durbin <adurbin@google.com>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/boot/cbmem.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/arch/x86/boot/cbmem.c b/src/arch/x86/boot/cbmem.c index a1452237e3..1036adc17f 100644 --- a/src/arch/x86/boot/cbmem.c +++ b/src/arch/x86/boot/cbmem.c @@ -39,6 +39,9 @@ void get_cbmem_table(uint64_t *base, uint64_t *size) *size = 0; } } +#endif /* !DYNAMIC_CBMEM */ + +#if IS_ENABLED(CONFIG_LATE_CBMEM_INIT) #if !defined(__PRE_RAM__) void __attribute__((weak)) backup_top_of_ram(uint64_t ramtop) @@ -46,14 +49,14 @@ void __attribute__((weak)) backup_top_of_ram(uint64_t ramtop) /* Do nothing. Chipset may have implementation to save ramtop in NVRAM. */ } -/* This is for compatibility with old boards only. Any new chipset and board - * must implement get_top_of_ram() for both romstage and ramstage to support - * early features like COLLECT_TIMESTAMPS and CBMEM_CONSOLE. - */ void set_top_of_ram(uint64_t ramtop) { backup_top_of_ram(ramtop); +#if !CONFIG_DYNAMIC_CBMEM cbmem_late_set_table(ramtop - HIGH_MEMORY_SIZE, HIGH_MEMORY_SIZE); +#else + cbmem_set_top((void*)(uintptr_t)ramtop); +#endif } #endif /* !__PRE_RAM__ */ @@ -70,7 +73,8 @@ void *cbmem_top(void) return (void *)get_top_of_ram(); } #endif -#endif /* !DYNAMIC_CBMEM */ + +#endif /* LATE_CBMEM_INIT */ void cbmem_run_init_hooks(void) { |