diff options
| author | Angel Pons <th3fanbus@gmail.com> | 2021-01-28 11:09:56 +0100 |
|---|---|---|
| committer | Angel Pons <th3fanbus@gmail.com> | 2021-01-29 18:36:22 +0000 |
| commit | 816a41c904d1ba60ead3227bac83d5470f01c1ec (patch) | |
| tree | 9bca5dda59c0ab3ed81dc5912e52b078e48eb6a5 /src/mainboard/emulation/qemu-q35/memmap.c | |
| parent | 899525d92c945f458e888955c6196ce1235dc8c6 (diff) | |
mb/emulation/qemu-q35: Consolidate host bridge definitions
Move all Q35 register definitions into the q35.h header. Note that real
hardware does not have EXT_TSEG_MBYTES, because it is QEMU-specific.
Change-Id: I4c86ac0bb05563dee111b9b4a4a71c1c31198acd
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50024
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/emulation/qemu-q35/memmap.c')
| -rw-r--r-- | src/mainboard/emulation/qemu-q35/memmap.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/src/mainboard/emulation/qemu-q35/memmap.c b/src/mainboard/emulation/qemu-q35/memmap.c index a8b1433714..10b35d7fe2 100644 --- a/src/mainboard/emulation/qemu-q35/memmap.c +++ b/src/mainboard/emulation/qemu-q35/memmap.c @@ -8,21 +8,14 @@ #include <mainboard/emulation/qemu-i440fx/memory.h> #include <mainboard/emulation/qemu-i440fx/fw_cfg.h> -#define EXT_TSEG_MBYTES 0x50 +#include "q35.h" -#define SMRAMC 0x9d -#define G_SMRAME (1 << 3) -#define D_LCK (1 << 4) -#define D_CLS (1 << 5) -#define D_OPEN (1 << 6) -#define ESMRAMC 0x9e -#define T_EN (1 << 0) -#define TSEG_SZ_MASK (3 << 1) -#define H_SMRAME (1 << 7) +/* QEMU-specific register */ +#define EXT_TSEG_MBYTES 0x50 void smm_region(uintptr_t *start, size_t *size) { - uint8_t esmramc = pci_read_config8(PCI_DEV(0, 0, 0), ESMRAMC); + uint8_t esmramc = pci_read_config8(HOST_BRIDGE, ESMRAMC); switch ((esmramc & TSEG_SZ_MASK) >> 1) { case 0: @@ -35,7 +28,7 @@ void smm_region(uintptr_t *start, size_t *size) *size = 8 * MiB; break; default: - *size = pci_read_config16(PCI_DEV(0, 0, 0), EXT_TSEG_MBYTES) * MiB; + *size = pci_read_config16(HOST_BRIDGE, EXT_TSEG_MBYTES) * MiB; } *start = qemu_get_memory_size() * KiB - *size; |