src/soc/intel/common/block/spi/spi.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <device/device.h>
  17 #include <device/pci.h>
  18 #include <device/pci_ids.h>
  19 #include <device/spi.h>
  20 #include <intelblocks/fast_spi.h>
  21 #include <intelblocks/gspi.h>
  22 #include <intelblocks/spi.h>
  23 #include <soc/pci_devs.h>
  24 #include <spi-generic.h>
  25
  26 const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
  27         { .ctrlr = &fast_spi_flash_ctrlr, .bus_start = 0, .bus_end = 0 },
  28 #if !ENV_SMM && CONFIG(SOC_INTEL_COMMON_BLOCK_GSPI)
  29         { .ctrlr = &gspi_ctrlr, .bus_start = 1,
  30           .bus_end =  1 + (CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX - 1)},
  31 #endif
  32 };
  33
  34 const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);
  35
  36 static int spi_dev_to_bus(struct device *dev)
  37 {
  38         return spi_soc_devfn_to_bus(dev->path.pci.devfn);
  39 }
  40
  41 static struct spi_bus_operations spi_bus_ops = {
  42         .dev_to_bus                     = &spi_dev_to_bus,
  43 };
  44
  45 static struct device_operations spi_dev_ops = {
  46         .read_resources                 = pci_dev_read_resources,
  47         .set_resources                  = pci_dev_set_resources,
  48         .enable_resources               = pci_dev_enable_resources,
  49         .scan_bus                       = scan_generic_bus,
  50         .ops_spi_bus                    = &spi_bus_ops,
  51         .ops_pci                        = &pci_dev_ops_pci,
  52 };
  53
  54 static const unsigned short pci_device_ids[] = {
  55         PCI_DEVICE_ID_INTEL_SPT_SPI1,
  56         PCI_DEVICE_ID_INTEL_SPT_SPI2,
  57         PCI_DEVICE_ID_INTEL_SPT_SPI3,
  58         PCI_DEVICE_ID_INTEL_APL_SPI0,
  59         PCI_DEVICE_ID_INTEL_APL_SPI1,
  60         PCI_DEVICE_ID_INTEL_APL_SPI2,
  61         PCI_DEVICE_ID_INTEL_APL_HWSEQ_SPI,
  62         PCI_DEVICE_ID_INTEL_GLK_SPI0,
  63         PCI_DEVICE_ID_INTEL_GLK_SPI1,
  64         PCI_DEVICE_ID_INTEL_GLK_SPI2,
  65         PCI_DEVICE_ID_INTEL_CNL_SPI0,
  66         PCI_DEVICE_ID_INTEL_CNL_SPI1,
  67         PCI_DEVICE_ID_INTEL_CNL_SPI2,
  68         PCI_DEVICE_ID_INTEL_CNL_HWSEQ_SPI,
  69         PCI_DEVICE_ID_INTEL_CNP_H_SPI0,
  70         PCI_DEVICE_ID_INTEL_CNP_H_SPI1,
  71         PCI_DEVICE_ID_INTEL_CNP_H_SPI2,
  72         PCI_DEVICE_ID_INTEL_CNP_H_HWSEQ_SPI,
  73         PCI_DEVICE_ID_INTEL_LWB_SPI,
  74         PCI_DEVICE_ID_INTEL_LWB_SPI_SUPER,
  75         PCI_DEVICE_ID_INTEL_ICP_SPI0,
  76         PCI_DEVICE_ID_INTEL_ICP_SPI1,
  77         PCI_DEVICE_ID_INTEL_ICP_SPI2,
  78         PCI_DEVICE_ID_INTEL_ICP_HWSEQ_SPI,
  79         PCI_DEVICE_ID_INTEL_CMP_SPI0,
  80         PCI_DEVICE_ID_INTEL_CMP_SPI1,
  81         PCI_DEVICE_ID_INTEL_CMP_SPI2,
  82         PCI_DEVICE_ID_INTEL_CMP_HWSEQ_SPI,
  83         PCI_DEVICE_ID_INTEL_CMP_H_SPI0,
  84         PCI_DEVICE_ID_INTEL_CMP_H_SPI1,
  85         PCI_DEVICE_ID_INTEL_CMP_H_SPI2,
  86         PCI_DEVICE_ID_INTEL_CMP_H_HWSEQ_SPI,
  87         PCI_DEVICE_ID_INTEL_TGP_SPI0,
  88         PCI_DEVICE_ID_INTEL_TGP_GSPI0,
  89         PCI_DEVICE_ID_INTEL_TGP_GSPI1,
  90         PCI_DEVICE_ID_INTEL_TGP_GSPI2,
  91         PCI_DEVICE_ID_INTEL_TGP_GSPI3,
  92         PCI_DEVICE_ID_INTEL_TGP_GSPI4,
  93         PCI_DEVICE_ID_INTEL_TGP_GSPI5,
  94         PCI_DEVICE_ID_INTEL_TGP_GSPI6,
  95         PCI_DEVICE_ID_INTEL_MCC_SPI0,
  96         PCI_DEVICE_ID_INTEL_MCC_GSPI0,
  97         PCI_DEVICE_ID_INTEL_MCC_GSPI1,
  98         PCI_DEVICE_ID_INTEL_MCC_GSPI2,
  99         PCI_DEVICE_ID_INTEL_JSP_SPI0,
 100         PCI_DEVICE_ID_INTEL_JSP_SPI1,
 101         PCI_DEVICE_ID_INTEL_JSP_SPI2,
 102         PCI_DEVICE_ID_INTEL_JSP_HWSEQ_SPI,
 103         0
 104 };
 105
 106 static const struct pci_driver pch_spi __pci_driver = {
 107         .ops                            = &spi_dev_ops,
 108         .vendor                         = PCI_VENDOR_ID_INTEL,
 109         .devices                        = pci_device_ids,
 110 };