| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| /* |
| * This file is created based on Intel Tiger Lake Processor PCH Datasheet |
| * Document number: 575857 |
| * Chapter number: 7 |
| */ |
| |
| #include <intelblocks/fast_spi.h> |
| #include <intelblocks/spi.h> |
| #include <soc/pci_devs.h> |
| #include <stdint.h> |
| |
| #define PSF_SPI_DESTINATION_ID_H 0x23b0 |
| #define PSF_SPI_DESTINATION_ID 0x23a8 |
| |
| int spi_soc_devfn_to_bus(unsigned int devfn) |
| { |
| switch (devfn) { |
| case PCH_DEVFN_GSPI0: |
| return 1; |
| case PCH_DEVFN_GSPI1: |
| return 2; |
| case PCH_DEVFN_GSPI2: |
| return 3; |
| } |
| return -1; |
| } |
| |
| uint32_t soc_get_spi_psf_destination_id(void) |
| { |
| if (CONFIG(SOC_INTEL_TIGERLAKE_PCH_H)) |
| return PSF_SPI_DESTINATION_ID_H; |
| return PSF_SPI_DESTINATION_ID; |
| } |