[coreboot-gerrit] Change in coreboot[master]: soc/intel/common/block: Add Intel common SPI support

[Subrata Banik (Code Review)]

Subrata Banik has uploaded this change for review. ( https://review.coreboot.org/22360


Change subject: soc/intel/common/block: Add Intel common SPI support
......................................................................

soc/intel/common/block: Add Intel common SPI support

SOC need to select specific macros need to compile
common SPI code.

Change-Id: I82f7d1852d12ca37f386b64a613a676753da959c
Signed-off-by: Subrata Banik <subrata.banik at intel.com>
---
A src/soc/intel/common/block/spi/Kconfig
A src/soc/intel/common/block/spi/Makefile.inc
A src/soc/intel/common/block/spi/spi.c
3 files changed, 98 insertions(+), 0 deletions(-)



  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/22360/1

diff --git a/src/soc/intel/common/block/spi/Kconfig b/src/soc/intel/common/block/spi/Kconfig
new file mode 100644
index 0000000..bebb87a
--- /dev/null
+++ b/src/soc/intel/common/block/spi/Kconfig
@@ -0,0 +1,5 @@
+config SOC_INTEL_COMMON_BLOCK_SPI
+	bool
+	help
+	  Intel Processor common SPI support
+
diff --git a/src/soc/intel/common/block/spi/Makefile.inc b/src/soc/intel/common/block/spi/Makefile.inc
new file mode 100644
index 0000000..9c71d64
--- /dev/null
+++ b/src/soc/intel/common/block/spi/Makefile.inc
@@ -0,0 +1,14 @@
+bootblock-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SPI) += spi.c
+
+verstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SPI) += spi.c
+
+romstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SPI) += spi.c
+
+ramstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SPI) += spi.c
+
+postcar-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SPI) += spi.c
+
+ifeq ($(CONFIG_SPI_FLASH_SMM),y)
+smm-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SPI) += spi.c
+endif
+
diff --git a/src/soc/intel/common/block/spi/spi.c b/src/soc/intel/common/block/spi/spi.c
new file mode 100644
index 0000000..7671ab9
--- /dev/null
+++ b/src/soc/intel/common/block/spi/spi.c
@@ -0,0 +1,79 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 Intel Corporation
+ *
+ * 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 <device/device.h>
+#include <device/pci.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <device/spi.h>
+#include <intelblocks/fast_spi.h>
+#include <intelblocks/gspi.h>
+#include <soc/pci_devs.h>
+#include <spi-generic.h>
+
+const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
+	{ .ctrlr = &fast_spi_flash_ctrlr, .bus_start = 0, .bus_end = 0 },
+#if !ENV_SMM && IS_ENABLED(CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI)
+	{ .ctrlr = &gspi_ctrlr, .bus_start = 1,
+	  .bus_end =  1 + (CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX - 1)},
+#endif
+};
+
+const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);
+
+#if ENV_RAMSTAGE && !defined(__SIMPLE_DEVICE__)
+
+static int spi_dev_to_bus(struct device *dev)
+{
+	return spi_devfn_to_bus(dev->path.pci.devfn);
+}
+
+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_spi_bus			= &spi_bus_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+	PCI_DEVICE_ID_INTEL_SPT_SPI1,
+	PCI_DEVICE_ID_INTEL_SPT_SPI2,
+	PCI_DEVICE_ID_INTEL_SPT_SPI3,
+	PCI_DEVICE_ID_INTEL_APL_SPI0,
+	PCI_DEVICE_ID_INTEL_APL_SPI1,
+	PCI_DEVICE_ID_INTEL_APL_SPI2,
+	PCI_DEVICE_ID_INTEL_APL_HWSEQ_SPI,
+	PCI_DEVICE_ID_INTEL_GLK_SPI0,
+	PCI_DEVICE_ID_INTEL_GLK_SPI1,
+	PCI_DEVICE_ID_INTEL_GLK_SPI2,
+	PCI_DEVICE_ID_INTEL_CNL_SPI0,
+	PCI_DEVICE_ID_INTEL_CNL_SPI1,
+	PCI_DEVICE_ID_INTEL_CNL_SPI2,
+	PCI_DEVICE_ID_INTEL_CNL_HWSEQ_SPI,
+	0
+};
+
+static const struct pci_driver pch_spi __pci_driver = {
+	.ops				= &spi_dev_ops,
+	.vendor				= PCI_VENDOR_ID_INTEL,
+	.devices			= pci_device_ids,
+};
+#endif

-- 
To view, visit https://review.coreboot.org/22360
To unsubscribe, visit https://review.coreboot.org/settings

Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I82f7d1852d12ca37f386b64a613a676753da959c
Gerrit-Change-Number: 22360
Gerrit-PatchSet: 1
Gerrit-Owner: Subrata Banik <subrata.banik at intel.com>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.coreboot.org/pipermail/coreboot-gerrit/attachments/20171107/1bb3a849/attachment-0001.html>