From fe09a6fd47b92d75d63143fe9e40d57835a3fd93 Mon Sep 17 00:00:00 2001 From: Jason Glenesk Date: Mon, 2 Nov 2020 19:56:49 -0800 Subject: soc/amd/picasso: Add data fabric read helper function Add new helper function to support reading a register from the data fabric. BUG=b:155307433 TEST=Boot trembyle with If64fd624597b2ced014ba7f0332a6a48143c0e8c and confirm read values match expected values. BRANCH=Zork Change-Id: If0dc72063fbb99efaeea3fccef16cc1b5b8526f1 Signed-off-by: Jason Glenesk Reviewed-on: https://review.coreboot.org/c/coreboot/+/47726 Reviewed-by: Felix Held Tested-by: build bot (Jenkins) --- src/soc/amd/picasso/include/soc/data_fabric.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'src/soc/amd/picasso/include') diff --git a/src/soc/amd/picasso/include/soc/data_fabric.h b/src/soc/amd/picasso/include/soc/data_fabric.h index 842cb946a7..01fdc73388 100644 --- a/src/soc/amd/picasso/include/soc/data_fabric.h +++ b/src/soc/amd/picasso/include/soc/data_fabric.h @@ -7,6 +7,7 @@ /* D18F0 - Fabric Configuration registers */ #define IOMS0_FABRIC_ID 9 +#define BROADCAST_FABRIC_ID 0xff #define D18F0_VGAEN 0x80 #define VGA_ADDR_ENABLE BIT(0) @@ -24,6 +25,21 @@ #define NB_MMIO_LIMIT(reg) ((reg) * 4 * sizeof(uint32_t) + D18F0_MMIO_LIMIT0) #define NB_MMIO_CONTROL(reg) ((reg) * 4 * sizeof(uint32_t) + D18F0_MMIO_CTRL0) +#define DF_FICAA_BIOS 0x5C +#define DF_FICAD_LO 0x98 +#define DF_FICAD_HI 0x9C + +#define DF_IND_CFG_INST_ACC_EN (1 << 0) +#define DF_IND_CFG_ACC_REG_SHIFT 2 +#define DF_IND_CFG_ACC_REG_MASK (0x1ff << DF_IND_CFG_ACC_REG_SHIFT) +#define DF_IND_CFG_ACC_FUN_SHIFT 11 +#define DF_IND_CFG_ACC_FUN_MASK (0x7 << DF_IND_CFG_ACC_REG_SHIFT) +#define DF_IND_CFG_64B_EN_SHIFT 14 +#define DF_IND_CFG_64B_EN (0x1 << DF_IND_CFG_ACC_REG_SHIFT) +#define DF_IND_CFG_INST_ID_SHIFT 16 +#define DF_IND_CFG_INST_ID_MASK (0xff << DF_IND_CFG_ACC_REG_SHIFT) + void data_fabric_set_mmio_np(void); +uint32_t data_fabric_read_reg32(uint8_t function, uint16_t reg, uint8_t instance_id); #endif /* AMD_PICASSO_DATA_FABRIC_H */ -- cgit v1.2.3