diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2023-04-20 13:22:34 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-04-21 15:14:00 +0000 |
| commit | 09906111aaaa2a74e67b2483ee9dd7e0fbbddf2b (patch) | |
| tree | 590f4419af0650b948fa3982682d475b23f8b118 /src/soc/amd/common/block/acpi/tables.c | |
| parent | 88c94fead3c2b16801e27ea8102d13917bf62547 (diff) | |
soc/amd/common/block/acpi/tables: use get_top_of_mem_[below,above]_4gb
Use get_top_of_mem_below_4gb and get_top_of_mem_above_4g instead of
open-coding the functionality.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I35895340f6e747e2f5e1669d40f40b201d8c1845
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74612
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Diffstat (limited to 'src/soc/amd/common/block/acpi/tables.c')
| -rw-r--r-- | src/soc/amd/common/block/acpi/tables.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/soc/amd/common/block/acpi/tables.c b/src/soc/amd/common/block/acpi/tables.c index b7c942c27a..17db421831 100644 --- a/src/soc/amd/common/block/acpi/tables.c +++ b/src/soc/amd/common/block/acpi/tables.c @@ -40,7 +40,6 @@ unsigned long acpi_fill_madt_irqoverride(unsigned long current) /* Used by \_SB.PCI0._CRS */ void acpi_fill_root_complex_tom(const struct device *device) { - msr_t msr; const char *scope; assert(device); @@ -49,9 +48,8 @@ void acpi_fill_root_complex_tom(const struct device *device) assert(scope); acpigen_write_scope(scope); - msr = rdmsr(TOP_MEM); - acpigen_write_name_dword("TOM1", msr.lo); - msr = rdmsr(TOP_MEM2); + acpigen_write_name_dword("TOM1", get_top_of_mem_below_4gb()); + /* * Since XP only implements parts of ACPI 2.0, we can't use a qword * here. @@ -60,6 +58,6 @@ void acpi_fill_root_complex_tom(const struct device *device) * Shift value right by 20 bit to make it fit into 32bit, * giving us 1MB granularity and a limit of almost 4Exabyte of memory. */ - acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20); + acpigen_write_name_dword("TOM2", get_top_of_mem_above_4g() >> 20); acpigen_pop_len(); } |