diff options
Diffstat (limited to 'src/northbridge/intel/common')
| -rw-r--r-- | src/northbridge/intel/common/Kconfig.common | 17 | ||||
| -rw-r--r-- | src/northbridge/intel/common/fixed_bars.h | 24 |
2 files changed, 41 insertions, 0 deletions
diff --git a/src/northbridge/intel/common/Kconfig.common b/src/northbridge/intel/common/Kconfig.common new file mode 100644 index 0000000000..4f231be314 --- /dev/null +++ b/src/northbridge/intel/common/Kconfig.common @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config NORTHBRIDGE_INTEL_COMMON + bool + +if NORTHBRIDGE_INTEL_COMMON + +config FIXED_DMIBAR_MMIO_BASE + hex + +config FIXED_EPBAR_MMIO_BASE + hex + +config FIXED_MCHBAR_MMIO_BASE + hex + +endif # NORTHBRIDGE_INTEL_COMMON diff --git a/src/northbridge/intel/common/fixed_bars.h b/src/northbridge/intel/common/fixed_bars.h new file mode 100644 index 0000000000..d1b005bfae --- /dev/null +++ b/src/northbridge/intel/common/fixed_bars.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef NORTHBRIDGE_INTEL_COMMON_FIXED_BARS_H +#define NORTHBRIDGE_INTEL_COMMON_FIXED_BARS_H + +_Static_assert(CONFIG_FIXED_MCHBAR_MMIO_BASE != 0, "MCHBAR base address is zero"); +_Static_assert(CONFIG_FIXED_DMIBAR_MMIO_BASE != 0, "DMIBAR base address is zero"); +_Static_assert(CONFIG_FIXED_EPBAR_MMIO_BASE != 0, "EPBAR base address is zero"); + +#include <stdint.h> + +#define MCHBAR8(x) (*((volatile u8 *)(CONFIG_FIXED_MCHBAR_MMIO_BASE + (x)))) +#define MCHBAR16(x) (*((volatile u16 *)(CONFIG_FIXED_MCHBAR_MMIO_BASE + (x)))) +#define MCHBAR32(x) (*((volatile u32 *)(CONFIG_FIXED_MCHBAR_MMIO_BASE + (x)))) + +#define DMIBAR8(x) (*((volatile u8 *)(CONFIG_FIXED_DMIBAR_MMIO_BASE + (x)))) +#define DMIBAR16(x) (*((volatile u16 *)(CONFIG_FIXED_DMIBAR_MMIO_BASE + (x)))) +#define DMIBAR32(x) (*((volatile u32 *)(CONFIG_FIXED_DMIBAR_MMIO_BASE + (x)))) + +#define EPBAR8(x) (*((volatile u8 *)(CONFIG_FIXED_EPBAR_MMIO_BASE + (x)))) +#define EPBAR16(x) (*((volatile u16 *)(CONFIG_FIXED_EPBAR_MMIO_BASE + (x)))) +#define EPBAR32(x) (*((volatile u32 *)(CONFIG_FIXED_EPBAR_MMIO_BASE + (x)))) + +#endif /* ! NORTHBRIDGE_INTEL_COMMON_FIXED_BARS_H */ |