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author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-12-22 12:28:07 +0200 |
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committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2015-01-27 22:48:06 +0100 |
commit | f1e3c763b3eef15dbfae73f485408a0dec230d00 (patch) | |
tree | 28682b0d4ad36063b3612c8a774af868a3e55878 /src/northbridge/intel/nehalem/ram_calc.c | |
parent | 91fac61240612291f7be3362f7acad31803e8b03 (diff) | |
download | coreboot-staging-f1e3c763b3eef15dbfae73f485408a0dec230d00.zip coreboot-staging-f1e3c763b3eef15dbfae73f485408a0dec230d00.tar.gz |
CBMEM: Do not use get_top_of_ram() with DYNAMIC_CBMEM
The name was always obscure and confusing. Instead define cbmem_top()
directly in the chipset code for x86 like on ARMs.
TODO: Check TSEG alignment, it used for MTRR programming.
Change-Id: Ibbe5f05ab9c7d87d09caa673766cd17d192cd045
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/7888
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/northbridge/intel/nehalem/ram_calc.c')
-rw-r--r-- | src/northbridge/intel/nehalem/ram_calc.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/northbridge/intel/nehalem/ram_calc.c b/src/northbridge/intel/nehalem/ram_calc.c index db57a3d..d36684e 100644 --- a/src/northbridge/intel/nehalem/ram_calc.c +++ b/src/northbridge/intel/nehalem/ram_calc.c @@ -23,9 +23,14 @@ #include <cbmem.h> #include "nehalem.h" -unsigned long get_top_of_ram(void) +static uintptr_t smm_region_start(void) { /* Base of TSEG is top of usable DRAM */ - u32 tom = pci_read_config32(PCI_DEV(0,0,0), TSEG); - return (unsigned long) tom; + uintptr_t tom = pci_read_config32(PCI_DEV(0,0,0), TSEG); + return tom; +} + +void *cbmem_top(void) +{ + return (void *) smm_region_start(); } |