From f40d24d909ad99c802a6813ff32b6feb20ab8c71 Mon Sep 17 00:00:00 2001
From: Alex Landau <landau.alex@gmail.com>
Date: Thu, 12 Jul 2007 12:11:48 +0800
Subject: [PATCH] Blackfin arch: Port the dm9000 driver to Blackfin by using
 the correct low-level io routines

Signed-off-by: Alex Landau <landau.alex@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---
 arch/blackfin/mach-bf537/boards/stamp.c | 26 +++++++++++++++++++++++++
 drivers/net/Kconfig                     |  2 +-
 drivers/net/dm9000.c                    | 17 +++++++++++++++-
 3 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index c637353089..9c43d77565 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -157,6 +157,28 @@ static struct platform_device smc91x_device = {
 };
 #endif
 
+#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
+static struct resource dm9000_resources[] = {
+	[0] = {
+		.start	= 0x203FB800,
+		.end	= 0x203FB800 + 8,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_PF9,
+		.end	= IRQ_PF9,
+		.flags	= (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE),
+	},
+};
+
+static struct platform_device dm9000_device = {
+	.name		= "dm9000",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(dm9000_resources),
+	.resource	= dm9000_resources,
+};
+#endif
+
 #if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
 static struct resource sl811_hcd_resources[] = {
 	{
@@ -568,6 +590,10 @@ static struct platform_device *stamp_devices[] __initdata = {
 	&smc91x_device,
 #endif
 
+#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
+	&dm9000_device,
+#endif
+
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 	&bfin_mac_device,
 #endif
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index b941c74a06..80572e2c9d 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -877,7 +877,7 @@ config NET_NETX
 
 config DM9000
 	tristate "DM9000 support"
-	depends on ARM || MIPS
+	depends on ARM || BLACKFIN || MIPS
 	select CRC32
 	select MII
 	---help---
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 264fa0e2e0..c3de81bf09 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -104,6 +104,18 @@
 #define PRINTK(args...)   printk(KERN_DEBUG args)
 #endif
 
+#ifdef CONFIG_BLACKFIN
+#define readsb	insb
+#define readsw	insw
+#define readsl	insl
+#define writesb	outsb
+#define writesw	outsw
+#define writesl	outsl
+#define DM9000_IRQ_FLAGS	(IRQF_SHARED | IRQF_TRIGGER_HIGH)
+#else
+#define DM9000_IRQ_FLAGS	IRQF_SHARED
+#endif
+
 /*
  * Transmit timeout, default 5 seconds.
  */
@@ -431,6 +443,9 @@ dm9000_probe(struct platform_device *pdev)
 		db->io_addr = (void __iomem *)base;
 		db->io_data = (void __iomem *)(base + 4);
 
+		/* ensure at least we have a default set of IO routines */
+		dm9000_set_io(db, 2);
+
 	} else {
 		db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 		db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
@@ -614,7 +629,7 @@ dm9000_open(struct net_device *dev)
 
 	PRINTK2("entering dm9000_open\n");
 
-	if (request_irq(dev->irq, &dm9000_interrupt, IRQF_SHARED, dev->name, dev))
+	if (request_irq(dev->irq, &dm9000_interrupt, DM9000_IRQ_FLAGS, dev->name, dev))
 		return -EAGAIN;
 
 	/* Initialize DM9000 board */
-- 
2.39.5