diff options
Diffstat (limited to 'src/soc/amd/picasso/data_fabric.c')
| -rw-r--r-- | src/soc/amd/picasso/data_fabric.c | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/src/soc/amd/picasso/data_fabric.c b/src/soc/amd/picasso/data_fabric.c index 82cece975e..7b4283aeab 100644 --- a/src/soc/amd/picasso/data_fabric.c +++ b/src/soc/amd/picasso/data_fabric.c @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-only */ #include <acpi/acpi_device.h> +#include <amdblocks/data_fabric.h> #include <console/console.h> #include <cpu/x86/lapic_def.h> #include <device/device.h> @@ -167,26 +168,3 @@ static const struct pci_driver data_fabric_driver __pci_driver = { .vendor = PCI_VENDOR_ID_AMD, .devices = pci_device_ids, }; - -static void data_fabric_set_indirect_address(uint8_t func, uint16_t reg, uint8_t instance_id) -{ - uint32_t fabric_indirect_access_reg = DF_IND_CFG_INST_ACC_EN; - /* Register offset field [10:2] in this register corresponds to [10:2] of the - requested offset. */ - fabric_indirect_access_reg |= reg & DF_IND_CFG_ACC_REG_MASK; - fabric_indirect_access_reg |= - (func << DF_IND_CFG_ACC_FUN_SHIFT) & DF_IND_CFG_ACC_FUN_MASK; - fabric_indirect_access_reg |= instance_id << DF_IND_CFG_INST_ID_SHIFT; - pci_write_config32(SOC_DF_F4_DEV, DF_FICAA_BIOS, fabric_indirect_access_reg); -} - -uint32_t data_fabric_read32(uint8_t function, uint16_t reg, uint8_t instance_id) -{ - if (instance_id == BROADCAST_FABRIC_ID) - /* No bit masking required. Macros will apply mask to values. */ - return pci_read_config32(_SOC_DEV(DF_DEV, function), reg); - - /* non-broadcast data fabric accesses need to be done via indirect access */ - data_fabric_set_indirect_address(function, reg, instance_id); - return pci_read_config32(SOC_DF_F4_DEV, DF_FICAD_LO); -} |