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-rw-r--r--src/soc/amd/common/block/data_fabric/data_fabric_helper.c16
-rw-r--r--src/soc/amd/common/block/include/amdblocks/data_fabric.h1
-rw-r--r--src/soc/amd/picasso/data_fabric.c4
3 files changed, 21 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 d65bc8dac6..7bbdc7f921 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
@@ -2,6 +2,7 @@
#include <amdblocks/data_fabric.h>
#include <amdblocks/pci_devs.h>
+#include <console/console.h>
#include <device/pci_ops.h>
#include <soc/data_fabric.h>
#include <soc/pci_devs.h>
@@ -42,6 +43,21 @@ void data_fabric_write32(uint8_t function, uint16_t reg, uint8_t instance_id, ui
pci_write_config32(SOC_DF_F4_DEV, DF_FICAD_LO, data);
}
+void data_fabric_print_mmio_conf(void)
+{
+ printk(BIOS_SPEW,
+ "=== Data Fabric MMIO configuration registers ===\n"
+ "Addresses are shifted to the right by 16 bits.\n"
+ "idx control base limit\n");
+ for (unsigned int i = 0; i < NUM_NB_MMIO_REGS; i++) {
+ printk(BIOS_SPEW, " %2u %8x %8x %8x\n",
+ i,
+ data_fabric_broadcast_read32(0, NB_MMIO_CONTROL(i)),
+ data_fabric_broadcast_read32(0, NB_MMIO_BASE(i)),
+ data_fabric_broadcast_read32(0, NB_MMIO_LIMIT(i)));
+ }
+}
+
void data_fabric_disable_mmio_reg(unsigned int reg)
{
data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg),
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 2c0396aeb3..6df778d54c 100644
--- a/src/soc/amd/common/block/include/amdblocks/data_fabric.h
+++ b/src/soc/amd/common/block/include/amdblocks/data_fabric.h
@@ -42,6 +42,7 @@ void data_fabric_broadcast_write32(uint8_t function, uint16_t reg, uint32_t data
pci_write_config32(_SOC_DEV(DF_DEV, function), reg, data);
}
+void data_fabric_print_mmio_conf(void);
void data_fabric_disable_mmio_reg(unsigned int reg);
int data_fabric_find_unused_mmio_reg(void);
diff --git a/src/soc/amd/picasso/data_fabric.c b/src/soc/amd/picasso/data_fabric.c
index d07555a437..982b7b243d 100644
--- a/src/soc/amd/picasso/data_fabric.c
+++ b/src/soc/amd/picasso/data_fabric.c
@@ -39,6 +39,8 @@ void data_fabric_set_mmio_np(void)
const uint32_t np_bot = HPET_BASE_ADDRESS >> D18F0_MMIO_SHIFT;
const uint32_t np_top = (LOCAL_APIC_ADDR - 1) >> D18F0_MMIO_SHIFT;
+ data_fabric_print_mmio_conf();
+
for (i = 0; i < NUM_NB_MMIO_REGS; i++) {
/* Adjust all registers that overlap */
ctrl = data_fabric_broadcast_read32(0, NB_MMIO_CONTROL(i));
@@ -92,6 +94,8 @@ void data_fabric_set_mmio_np(void)
data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg),
(IOMS0_FABRIC_ID << MMIO_DST_FABRIC_ID_SHIFT) | MMIO_NP | MMIO_WE
| MMIO_RE);
+
+ data_fabric_print_mmio_conf();
}
static const char *data_fabric_acpi_name(const struct device *dev)