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authorAngel Pons <th3fanbus@gmail.com>2020-06-21 20:47:54 +0200
committerPatrick Georgi <pgeorgi@google.com>2020-06-24 11:50:50 +0000
commita23aff365186ea8859e1c1c1b0f51f7566f231e9 (patch)
tree2114543467e2c4f73d87b0db0d7a1b27546615c3 /src/soc/intel/xeon_sp
parent0623b010362b567d66ae696176478c48a1c67fdd (diff)
src: Report byte-sized access for GPE0
According to the ACPI specification, version 6.3: OSPM accesses GPE registers through byte accesses (regardless of their length). So, reporting dword-sized access is wrong and means nothing anyway. Tested on Asus P8Z77-V LX2, Windows 10 still boots. Change-Id: I965131a28f1a385d065c95f286549665c3f9693e Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42671 Reviewed-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/xeon_sp')
-rw-r--r--src/soc/intel/xeon_sp/cpx/acpi.c2
-rw-r--r--src/soc/intel/xeon_sp/skx/acpi.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/src/soc/intel/xeon_sp/cpx/acpi.c b/src/soc/intel/xeon_sp/cpx/acpi.c
index 026185714e..e52d75d119 100644
--- a/src/soc/intel/xeon_sp/cpx/acpi.c
+++ b/src/soc/intel/xeon_sp/cpx/acpi.c
@@ -332,7 +332,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_gpe0_blk.bit_width = 64; /* EventStatus + EventEnable */
fadt->x_gpe0_blk.bit_offset = 0;
- fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
+ fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
fadt->x_gpe0_blk.addrh = 0;
diff --git a/src/soc/intel/xeon_sp/skx/acpi.c b/src/soc/intel/xeon_sp/skx/acpi.c
index 17da9a929f..606bfedd1d 100644
--- a/src/soc/intel/xeon_sp/skx/acpi.c
+++ b/src/soc/intel/xeon_sp/skx/acpi.c
@@ -313,7 +313,7 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_gpe0_blk.bit_width = 64; /* EventStatus + EventEnable */
fadt->x_gpe0_blk.bit_offset = 0;
- fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
+ fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
fadt->x_gpe0_blk.addrh = 0x00;
@@ -428,7 +428,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
fadt->x_gpe0_blk.bit_offset = 0;
- fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
+ fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
fadt->x_gpe0_blk.addrh = 0;