diff options
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; |