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coreboot-kgpe-d16/src/soc/intel/skylake/spi.c

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soc/intel/skylake: Use the new SPI driver interface 1. Define controller for fast SPI. 2. Separate out functions that are specific to SPI and flash controller in different files. BUG=chrome-os-partner:59832 BRANCh=None TEST=Compiles successfully for chell and eve. Change-Id: I2fe0ef937297297339d4ea19dc37d3061caaa80c Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/17933 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-12-21 19:58:26 +01:00
/*
* This file is part of the coreboot project.
*
* Copyright 2016 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <console/console.h>
soc/intel/skylake: Add support for SPI device Add a new PCI driver for SPI devices with supported PCI ids. Also, provide a translation table to convert struct device structure into SPI bus number. BUG=chrome-os-partner:59832 BRANCH=None TEST=Compiles successfully Change-Id: If860eb819f2ce5ae5443f808b356af57f86c52be Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/18341 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2017-02-11 20:06:19 +01:00
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <device/spi.h>
soc/intel/common: Provide common block fast_spi_flash_ctrlr Now that we have a common block driver for fast spi flash controller, provide spi_ctrlr structure that can be used by different platforms for defining the bus-ctrlr mapping. Only cs 0 is considered valid. Change-Id: I7228ae885018d1e23e6e80dd8ce227b0d99d84a6 Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/19575 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2017-05-03 04:43:20 +02:00
#include <intelblocks/fast_spi.h>
soc/intel/skylake: Add support for GSPI controller Sky Lake PCH contains two GSPI controllers. Using the common GSPI controller driver implementation for Intel PCH, add support for GSPI controller buses on Sky Lake/Kaby Lake. BUG=b:35583330 Change-Id: I29b1d4d5a6ee4093f2596065ac375c06f17d33ac Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/19099 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-03-31 23:02:47 +02:00
#include <intelblocks/gspi.h>
soc/intel/{cannonlake,skylake}: Add _soc_ prefix in spi soc routine This ensures that function callback into the SoC code. Change-Id: Idc16d315ba25d17a2ab537fcdf0c2b51c8802a67 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/22392 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-11-09 07:46:36 +01:00
#include <intelblocks/spi.h>
soc/intel/skylake: Add support for SPI device Add a new PCI driver for SPI devices with supported PCI ids. Also, provide a translation table to convert struct device structure into SPI bus number. BUG=chrome-os-partner:59832 BRANCH=None TEST=Compiles successfully Change-Id: If860eb819f2ce5ae5443f808b356af57f86c52be Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/18341 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2017-02-11 20:06:19 +01:00
#include <soc/ramstage.h>
soc/intel/skylake: Use the new SPI driver interface 1. Define controller for fast SPI. 2. Separate out functions that are specific to SPI and flash controller in different files. BUG=chrome-os-partner:59832 BRANCh=None TEST=Compiles successfully for chell and eve. Change-Id: I2fe0ef937297297339d4ea19dc37d3061caaa80c Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/17933 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-12-21 19:58:26 +01:00
#include <spi-generic.h>
soc/intel/{cannonlake,skylake}: Add _soc_ prefix in spi soc routine This ensures that function callback into the SoC code. Change-Id: Idc16d315ba25d17a2ab537fcdf0c2b51c8802a67 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/22392 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-11-09 07:46:36 +01:00
int spi_soc_devfn_to_bus(unsigned int devfn)
{
switch (devfn) {
case PCH_DEVFN_SPI:
return 0;
case PCH_DEVFN_GSPI0:
return 1;
case PCH_DEVFN_GSPI1:
return 2;
}
return -1;
}
int spi_soc_bus_to_devfn(unsigned int bus)
{
switch (bus) {
case 0:
return PCH_DEVFN_SPI;
case 1:
return PCH_DEVFN_GSPI0;
case 2:
return PCH_DEVFN_GSPI1;
}
return -1;
}
soc/intel/skylake: Use the new SPI driver interface 1. Define controller for fast SPI. 2. Separate out functions that are specific to SPI and flash controller in different files. BUG=chrome-os-partner:59832 BRANCh=None TEST=Compiles successfully for chell and eve. Change-Id: I2fe0ef937297297339d4ea19dc37d3061caaa80c Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/17933 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-12-21 19:58:26 +01:00
const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
soc/intel/common: Provide common block fast_spi_flash_ctrlr Now that we have a common block driver for fast spi flash controller, provide spi_ctrlr structure that can be used by different platforms for defining the bus-ctrlr mapping. Only cs 0 is considered valid. Change-Id: I7228ae885018d1e23e6e80dd8ce227b0d99d84a6 Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/19575 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2017-05-03 04:43:20 +02:00
{ .ctrlr = &fast_spi_flash_ctrlr, .bus_start = 0, .bus_end = 0 },
soc/intel/skylake: Add support for GSPI controller Sky Lake PCH contains two GSPI controllers. Using the common GSPI controller driver implementation for Intel PCH, add support for GSPI controller buses on Sky Lake/Kaby Lake. BUG=b:35583330 Change-Id: I29b1d4d5a6ee4093f2596065ac375c06f17d33ac Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/19099 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-03-31 23:02:47 +02:00
#if !ENV_SMM
{ .ctrlr = &gspi_ctrlr, .bus_start = 1,
.bus_end = 1 + (CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX - 1)},
#endif
soc/intel/skylake: Use the new SPI driver interface 1. Define controller for fast SPI. 2. Separate out functions that are specific to SPI and flash controller in different files. BUG=chrome-os-partner:59832 BRANCh=None TEST=Compiles successfully for chell and eve. Change-Id: I2fe0ef937297297339d4ea19dc37d3061caaa80c Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/17933 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-12-21 19:58:26 +01:00
};
const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);
soc/intel/skylake: Add support for SPI device Add a new PCI driver for SPI devices with supported PCI ids. Also, provide a translation table to convert struct device structure into SPI bus number. BUG=chrome-os-partner:59832 BRANCH=None TEST=Compiles successfully Change-Id: If860eb819f2ce5ae5443f808b356af57f86c52be Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/18341 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2017-02-11 20:06:19 +01:00
#if ENV_RAMSTAGE && !defined(__SIMPLE_DEVICE__)
static int spi_dev_to_bus(struct device *dev)
{
soc/intel/{cannonlake,skylake}: Add _soc_ prefix in spi soc routine This ensures that function callback into the SoC code. Change-Id: Idc16d315ba25d17a2ab537fcdf0c2b51c8802a67 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/22392 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-11-09 07:46:36 +01:00
return spi_soc_devfn_to_bus(dev->path.pci.devfn);
soc/intel/skylake: Add support for SPI device Add a new PCI driver for SPI devices with supported PCI ids. Also, provide a translation table to convert struct device structure into SPI bus number. BUG=chrome-os-partner:59832 BRANCH=None TEST=Compiles successfully Change-Id: If860eb819f2ce5ae5443f808b356af57f86c52be Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/18341 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2017-02-11 20:06:19 +01:00
}
static struct spi_bus_operations spi_bus_ops = {
.dev_to_bus = &spi_dev_to_bus,
};
static struct device_operations spi_dev_ops = {
.read_resources = &pci_dev_read_resources,
.set_resources = &pci_dev_set_resources,
.enable_resources = &pci_dev_enable_resources,
.scan_bus = &scan_generic_bus,
.ops_pci = &soc_pci_ops,
.ops_spi_bus = &spi_bus_ops,
};
static const unsigned short pci_device_ids[] = {
0x9d24, 0x9d29, 0x9d2a, 0
};
static const struct pci_driver pch_spi __pci_driver = {
.ops = &spi_dev_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices = pci_device_ids,
};
#endif
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