diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2021-02-13 01:08:14 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-02-14 20:52:38 +0000 |
| commit | 45df9c1b911e2fcd5857954c10c68cf9b7ab0beb (patch) | |
| tree | b2d61d4793c591ebe469cacb9d32130d6838284a /src/soc | |
| parent | dba3fe7ad168c5339535973f1ef7ff0f7f33bd5e (diff) | |
soc/amd/common/block/data_fabric: add data_fabric_write32
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I9c1ae03e9aec1dec45333e697060308cb6cbda4b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50620
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/common/block/data_fabric/data_fabric_helper.c | 13 | ||||
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/data_fabric.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/data_fabric/data_fabric_helper.c b/src/soc/amd/common/block/data_fabric/data_fabric_helper.c index e8e02d8eb1..d0827e6d36 100644 --- a/src/soc/amd/common/block/data_fabric/data_fabric_helper.c +++ b/src/soc/amd/common/block/data_fabric/data_fabric_helper.c @@ -29,3 +29,16 @@ uint32_t data_fabric_read32(uint8_t function, uint16_t reg, uint8_t instance_id) data_fabric_set_indirect_address(function, reg, instance_id); return pci_read_config32(SOC_DF_F4_DEV, DF_FICAD_LO); } + +void data_fabric_write32(uint8_t function, uint16_t reg, uint8_t instance_id, uint32_t data) +{ + if (instance_id == BROADCAST_FABRIC_ID) { + /* No bit masking required. Macros will apply mask to values. */ + pci_write_config32(_SOC_DEV(DF_DEV, function), reg, data); + return; + } + + /* non-broadcast data fabric accesses need to be done via indirect access */ + data_fabric_set_indirect_address(function, reg, instance_id); + pci_write_config32(SOC_DF_F4_DEV, DF_FICAD_LO, data); +} diff --git a/src/soc/amd/common/block/include/amdblocks/data_fabric.h b/src/soc/amd/common/block/include/amdblocks/data_fabric.h index 606d56419f..3695c4a0c7 100644 --- a/src/soc/amd/common/block/include/amdblocks/data_fabric.h +++ b/src/soc/amd/common/block/include/amdblocks/data_fabric.h @@ -8,5 +8,6 @@ #define BROADCAST_FABRIC_ID 0xff uint32_t data_fabric_read32(uint8_t function, uint16_t reg, uint8_t instance_id); +void data_fabric_write32(uint8_t function, uint16_t reg, uint8_t instance_id, uint32_t data); #endif /* AMD_BLOCK_DATA_FABRIC_H */ |