diff options
| author | Jincheng Li <jincheng.li@intel.com> | 2024-06-02 20:53:25 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2024-06-14 13:57:03 +0000 |
| commit | d6c58b79e72dbea8f3221c592039c5fad569d93a (patch) | |
| tree | 16a3cc4044129646cca38349344c1b88f75dee2b /src/soc/intel | |
| parent | 99a190105fc280f4935f8eb2d377b02d8f19128e (diff) | |
soc/intel/common/block: Move VTd basic definitions into header file
TEST=Build and boot on intel/archercity CRB
Change-Id: I4f9e606cf9ec01ec157ef4dd7c26f6b5eb88c7b7
Signed-off-by: Jincheng Li <jincheng.li@intel.com>
Signed-off-by: Shuo Liu <shuo.liu@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82941
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/vtd.h | 34 | ||||
| -rw-r--r-- | src/soc/intel/common/block/vtd/vtd.c | 33 |
2 files changed, 34 insertions, 33 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/vtd.h b/src/soc/intel/common/block/include/intelblocks/vtd.h index 222101a244..137124b43a 100644 --- a/src/soc/intel/common/block/include/intelblocks/vtd.h +++ b/src/soc/intel/common/block/include/intelblocks/vtd.h @@ -3,8 +3,42 @@ #ifndef SOC_INTEL_COMMON_BLOCK_VTD_H #define SOC_INTEL_COMMON_BLOCK_VTD_H +#include <device/mmio.h> #include <stdint.h> +/* VT-d specification: https://cdrdv2.intel.com/v1/dl/getContent/671081 */ +#define VER_REG 0x0 +#define CAP_REG 0x8 +#define CAP_PMR_LO BIT(5) +#define CAP_PMR_HI BIT(6) +#define PMEN_REG 0x64 +#define PMEN_EPM BIT(31) +#define PMEN_PRS BIT(0) +#define PLMBASE_REG 0x68 +#define PLMLIMIT_REG 0x6C +#define PHMBASE_REG 0x70 +#define PHMLIMIT_REG 0x78 + +static __always_inline uint32_t vtd_read32(uintptr_t vtd_base, uint32_t reg) +{ + return read32p(vtd_base + reg); +} + +static __always_inline void vtd_write32(uintptr_t vtd_base, uint32_t reg, uint32_t value) +{ + return write32p(vtd_base + reg, value); +} + +static __always_inline uint64_t vtd_read64(uintptr_t vtd_base, uint32_t reg) +{ + return read64p(vtd_base + reg); +} + +static __always_inline void vtd_write64(uintptr_t vtd_base, uint32_t reg, uint64_t value) +{ + return write64p(vtd_base + reg, value); +} + /* * Enable DMA protection by setting PMR registers in VT-d for whole DRAM memory. */ diff --git a/src/soc/intel/common/block/vtd/vtd.c b/src/soc/intel/common/block/vtd/vtd.c index f67d8dbfd5..12ca151c7a 100644 --- a/src/soc/intel/common/block/vtd/vtd.c +++ b/src/soc/intel/common/block/vtd/vtd.c @@ -12,19 +12,6 @@ #include <soc/iomap.h> #include <soc/pci_devs.h> -/* VT-d specification: https://cdrdv2.intel.com/v1/dl/getContent/671081 */ -#define VER_REG 0x0 -#define CAP_REG 0x8 -#define CAP_PMR_LO BIT(5) -#define CAP_PMR_HI BIT(6) -#define PMEN_REG 0x64 -#define PMEN_EPM BIT(31) -#define PMEN_PRS BIT(0) -#define PLMBASE_REG 0x68 -#define PLMLIMIT_REG 0x6C -#define PHMBASE_REG 0x70 -#define PHMLIMIT_REG 0x78 - /* FSP 2.x VT-d HOB from edk2-platforms */ static const uint8_t vtd_pmr_info_data_hob_guid[16] = { 0x45, 0x16, 0xb6, 0x6f, 0x68, 0xf1, 0xbe, 0x46, @@ -40,26 +27,6 @@ struct vtd_pmr_info_hob { static struct vtd_pmr_info_hob *pmr_hob; -static __always_inline uint32_t vtd_read32(uintptr_t vtd_base, uint32_t reg) -{ - return read32p(vtd_base + reg); -} - -static __always_inline void vtd_write32(uintptr_t vtd_base, uint32_t reg, uint32_t value) -{ - return write32p(vtd_base + reg, value); -} - -static __always_inline uint64_t vtd_read64(uintptr_t vtd_base, uint32_t reg) -{ - return read64p(vtd_base + reg); -} - -static __always_inline void vtd_write64(uintptr_t vtd_base, uint32_t reg, uint64_t value) -{ - return write64p(vtd_base + reg, value); -} - static bool is_vtd_enabled(uintptr_t vtd_base) { uint32_t version = vtd_read32(vtd_base, VER_REG); |