Luc Verhaegen has uploaded this change for review.

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ati: initial commit

Change-Id: Ia5f755ae7a0723372933216516625bc156b1f4bc
Signed-off-by: Luc Verhaegen <libv@skynet.be>
---
M Makefile
A ati_spi.c
M flashrom.c
M programmer.h
4 files changed, 77 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/85/29085/1

diff --git a/Makefile b/Makefile
index b13cf7e..1e924af 100644
--- a/Makefile
+++ b/Makefile
@@ -656,6 +656,9 @@
 # Digilent Development board JTAG
 CONFIG_DIGILENT_SPI ?= yes
 
+# ATI Radeon SPI
+CONFIG_ATI_SPI ?= yes
+
 # Disable wiki printing by default. It is only useful if you have wiki access.
 CONFIG_PRINT_WIKI ?= no
 
@@ -703,6 +706,7 @@
 override CONFIG_NICINTEL_EEPROM = no
 override CONFIG_OGP_SPI = no
 override CONFIG_SATAMV = no
+override CONFIG_ATI_SPI = no
 endif
 
 # Bitbanging SPI infrastructure, default off unless needed.
@@ -964,6 +968,12 @@
 NEED_LIBUSB1 += CONFIG_DIGILENT_SPI
 endif
 
+ifeq ($(CONFIG_ATI_SPI), yes)
+FEATURE_CFLAGS += -D'CONFIG_ATI_SPI=1'
+PROGRAMMER_OBJS += ati_spi.o
+NEED_LIBPCI += CONFIG_ATI_SPI
+endif
+
 ifneq ($(NEED_SERIAL), )
 LIB_OBJS += serial.o custom_baud.o
 endif
diff --git a/ati_spi.c b/ati_spi.c
new file mode 100644
index 0000000..ba672f7
--- /dev/null
+++ b/ati_spi.c
@@ -0,0 +1,46 @@
+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright (C) 2018 Luc Verhaegen <libv@skynet.be>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ */
+
+/*
+ * This adds support for the ATI/AMD Radeon SPI interfaces.
+ */
+
+#include "programmer.h"
+#include "spi.h"
+
+struct ati_spi_pci_private {
+	int io_bar;
+};
+
+static const struct ati_spi_pci_private r600_spi_pci_private = {
+	.io_bar = 2,
+};
+
+const struct flashrom_pci_match ati_spi_pci_devices[] = {
+	{0x1002, 0x958d, NT, &r600_spi_pci_private},
+	{},
+};
+
+int
+ati_spi_init(void)
+{
+	struct flashrom_pci_device *device;
+
+	device = flashrom_pci_init(ati_spi_pci_devices);
+	if (!device)
+		return 1;
+
+	return 0;
+}
diff --git a/flashrom.c b/flashrom.c
index 3b3e9bb..30c605d 100644
--- a/flashrom.c
+++ b/flashrom.c
@@ -437,6 +437,18 @@
 	},
 #endif
 
+#if CONFIG_ATI_SPI == 1
+	{
+		.name			= "ati_spi",
+		.type			= PCI2,
+		.devs.pci_match		= ati_spi_pci_devices,
+		.init			= ati_spi_init,
+		.map_flash_region	= fallback_map,
+		.unmap_flash_region	= fallback_unmap,
+		.delay			= internal_delay,
+	},
+#endif
+
 	{0}, /* This entry corresponds to PROGRAMMER_INVALID. */
 };
 
diff --git a/programmer.h b/programmer.h
index a5a1360..3398427 100644
--- a/programmer.h
+++ b/programmer.h
@@ -118,6 +118,9 @@
 #if CONFIG_DIGILENT_SPI == 1
 	PROGRAMMER_DIGILENT_SPI,
 #endif
+#if CONFIG_ATI_SPI == 1
+	PROGRAMMER_ATI_SPI,
+#endif
 	PROGRAMMER_INVALID /* This must always be the last entry. */
 };
 
@@ -582,6 +585,12 @@
 extern const struct dev_entry devs_digilent_spi[];
 #endif
 
+/* ati_spi.c */
+#if CONFIG_ATI_SPI == 1
+int ati_spi_init(void);
+extern const struct flashrom_pci_match ati_spi_pci_devices[];
+#endif
+
 /* flashrom.c */
 struct decode_sizes {
 	uint32_t parallel;

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