From 5606a12f90107f82acfb19ff07a9c870744ef383 Mon Sep 17 00:00:00 2001 From: Felix Held Date: Thu, 3 Aug 2023 16:03:17 +0200 Subject: [PATCH] soc/amd/cezanne/include/data_fabric: add data fabric IO decode registers PPR #56569 Rev 3.04 was used as a reference. Signed-off-by: Felix Held Change-Id: Ifcae9c9ad664d50100cd40692fd9631845f76671 Reviewed-on: https://review.coreboot.org/c/coreboot/+/76956 Tested-by: build bot (Jenkins) Reviewed-by: Martin L Roth --- src/soc/amd/cezanne/include/soc/data_fabric.h | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/src/soc/amd/cezanne/include/soc/data_fabric.h b/src/soc/amd/cezanne/include/soc/data_fabric.h index 3cb0fd71ed..7787e19728 100644 --- a/src/soc/amd/cezanne/include/soc/data_fabric.h +++ b/src/soc/amd/cezanne/include/soc/data_fabric.h @@ -8,6 +8,40 @@ #define IOMS0_FABRIC_ID 10 +#define DF_IO_BASE0 DF_REG_ID(0, 0xc0) +#define DF_IO_LIMIT0 DF_REG_ID(0, 0xc4) + +#define DF_IO_REG_COUNT 8 + +#define DF_IO_REG_OFFSET(instance) ((instance) * 2 * sizeof(uint32_t)) +#define DF_IO_BASE(reg) (DF_IO_BASE0 + DF_IO_REG_OFFSET(reg)) +#define DF_IO_LIMIT(reg) (DF_IO_LIMIT0 + DF_IO_REG_OFFSET(reg)) + +union df_io_base { + struct { + uint32_t re : 1; /* [ 0.. 0] */ + uint32_t we : 1; /* [ 1.. 1] */ + uint32_t : 3; /* [ 2.. 4] */ + uint32_t ie : 1; /* [ 5.. 5] */ + uint32_t : 6; /* [ 6..11] */ + uint32_t io_base : 13; /* [12..24] */ + uint32_t : 7; /* [25..31] */ + }; + uint32_t raw; +}; + +union df_io_limit { + struct { + uint32_t dst_fabric_id : 10; /* [ 0.. 9] */ + uint32_t : 2; /* [10..11] */ + uint32_t io_limit : 13; /* [12..24] */ + uint32_t : 7; /* [25..31] */ + }; + uint32_t raw; +}; + +#define DF_IO_ADDR_SHIFT 12 + #define DF_MMIO_BASE0 DF_REG_ID(0, 0x200) #define DF_MMIO_LIMIT0 DF_REG_ID(0, 0x204) #define DF_MMIO_SHIFT 16