omap: Overo: Fix support for second ethernet port

The original patch got truncated when applied from patchwork.kernel.org
as discussed at:

http://www.mail-archive.com/linux-omap@vger.kernel.org/msg28953.html

This patch supplies the missing chunks.

Signed-off-by: Steve Sakoman <sakoman@gmail.com>
[tony@atomide.com: added more info to the patch description]
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 40 insertions, 2 deletions

diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 79ac41400c21..4ceeb56c414c 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -166,9 +166,26 @@ static struct platform_device overo_smsc911x_device = {
         },
 };
 
+static struct platform_device overo_smsc911x2_device = {
+        .name           = "smsc911x",
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(overo_smsc911x2_resources),
+        .resource       = overo_smsc911x2_resources,
+        .dev            = {
+                .platform_data = &overo_smsc911x_config,
+        },
+};
+
+static struct platform_device *smsc911x_devices[] = {
+        &overo_smsc911x_device,
+        &overo_smsc911x2_device,
+};
+
 static inline void __init overo_init_smsc911x(void)
 {
-        unsigned long cs_mem_base;
+        unsigned long cs_mem_base, cs_mem_base2;
+
+        /* set up first smsc911x chip */
 
         if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
                 printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n");
@@ -189,7 +206,28 @@ static inline void __init overo_init_smsc911x(void)
         overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO);
         overo_smsc911x_resources[1].end   = 0;
 
-        platform_device_register(&overo_smsc911x_device);
+        /* set up second smsc911x chip */
+
+        if (gpmc_cs_request(OVERO_SMSC911X2_CS, SZ_16M, &cs_mem_base2) < 0) {
+                printk(KERN_ERR "Failed request for GPMC mem for smsc911x2\n");
+                return;
+        }
+
+        overo_smsc911x2_resources[0].start = cs_mem_base2 + 0x0;
+        overo_smsc911x2_resources[0].end   = cs_mem_base2 + 0xff;
+
+        if ((gpio_request(OVERO_SMSC911X2_GPIO, "SMSC911X2 IRQ") == 0) &&
+            (gpio_direction_input(OVERO_SMSC911X2_GPIO) == 0)) {
+                gpio_export(OVERO_SMSC911X2_GPIO, 0);
+        } else {
+                printk(KERN_ERR "could not obtain gpio for SMSC911X2 IRQ\n");
+                return;
+        }
+
+        overo_smsc911x2_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X2_GPIO);
+        overo_smsc911x2_resources[1].end   = 0;
+
+        platform_add_devices(smsc911x_devices, ARRAY_SIZE(smsc911x_devices));
 }
 
 #else