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Diffstat (limited to 'src/soc/intel/pantherlake/spi.c')
-rw-r--r--src/soc/intel/pantherlake/spi.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/soc/intel/pantherlake/spi.c b/src/soc/intel/pantherlake/spi.c
new file mode 100644
index 0000000000..f7d751f98e
--- /dev/null
+++ b/src/soc/intel/pantherlake/spi.c
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <intelblocks/fast_spi.h>
+#include <intelblocks/spi.h>
+#include <soc/pci_devs.h>
+
+#define PSF_SPI_DESTINATION_ID 0x5140
+
+int spi_soc_devfn_to_bus(unsigned int devfn)
+{
+ switch (devfn) {
+ case PCI_DEVFN_GSPI0:
+ return 1;
+ case PCI_DEVFN_GSPI1:
+ return 2;
+ case PCI_DEVFN_GSPI2:
+ return 3;
+ }
+ return -1;
+}
+
+uint32_t soc_get_spi_psf_destination_id(void)
+{
+ return PSF_SPI_DESTINATION_ID;
+}