ARM: S5PV210: Add DM9000 support on SMDKV210

This patch adds DM9000 Ethernet Controller device support for SMDKV210.

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

2 files changed, 59 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index f1ff7cb44035..b2e0a62023ed 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -16,6 +16,8 @@
 #include <plat/map-base.h>
 #include <plat/map-s5p.h>
 
+#define S5PV210_PA_SROM_BANK5   (0xA8000000)
+
 #define S5PC110_PA_ONENAND      (0xB0000000)
 #define S5P_PA_ONENAND          S5PC110_PA_ONENAND
 
diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index 1fbc45b2a432..30eec118a3a4 100644
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -14,6 +14,8 @@
 #include <linux/init.h>
 #include <linux/serial_core.h>
 #include <linux/sysdev.h>
+#include <linux/dm9000.h>
+#include <linux/gpio.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -24,6 +26,8 @@
 #include <mach/regs-clock.h>
 
 #include <plat/regs-serial.h>
+#include <plat/regs-srom.h>
+#include <plat/gpio-cfg.h>
 #include <plat/s5pv210.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
@@ -102,6 +106,39 @@ static struct samsung_keypad_platdata smdkv210_keypad_data __initdata = {
         .cols           = 8,
 };
 
+static struct resource smdkv210_dm9000_resources[] = {
+        [0] = {
+                .start  = S5PV210_PA_SROM_BANK5,
+                .end    = S5PV210_PA_SROM_BANK5,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = S5PV210_PA_SROM_BANK5 + 2,
+                .end    = S5PV210_PA_SROM_BANK5 + 2,
+                .flags  = IORESOURCE_MEM,
+        },
+        [2] = {
+                .start  = IRQ_EINT(9),
+                .end    = IRQ_EINT(9),
+                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
+        },
+};
+
+static struct dm9000_plat_data smdkv210_dm9000_platdata = {
+        .flags          = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
+        .dev_addr       = { 0x00, 0x09, 0xc0, 0xff, 0xec, 0x48 },
+};
+
+struct platform_device smdkv210_dm9000 = {
+        .name           = "dm9000",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(smdkv210_dm9000_resources),
+        .resource       = smdkv210_dm9000_resources,
+        .dev            = {
+                .platform_data  = &smdkv210_dm9000_platdata,
+        },
+};
+
 static struct platform_device *smdkv210_devices[] __initdata = {
         &s5pv210_device_iis0,
         &s5pv210_device_ac97,
@@ -119,8 +156,26 @@ static struct platform_device *smdkv210_devices[] __initdata = {
         &s3c_device_rtc,
         &s3c_device_ts,
         &s3c_device_wdt,
+        &smdkv210_dm9000,
 };
 
+static void __init smdkv210_dm9000_init(void)
+{
+        unsigned int tmp;
+
+        gpio_request(S5PV210_MP01(5), "nCS5");
+        s3c_gpio_cfgpin(S5PV210_MP01(5), S3C_GPIO_SFN(2));
+        gpio_free(S5PV210_MP01(5));
+
+        tmp = (5 << S5P_SROM_BCX__TACC__SHIFT);
+        __raw_writel(tmp, S5P_SROM_BC5);
+
+        tmp = __raw_readl(S5P_SROM_BW);
+        tmp &= (S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS5__SHIFT);
+        tmp |= (1 << S5P_SROM_BW__NCS5__SHIFT);
+        __raw_writel(tmp, S5P_SROM_BW);
+}
+
 static struct i2c_board_info smdkv210_i2c_devs0[] __initdata = {
         { I2C_BOARD_INFO("24c08", 0x50), },     /* Samsung S524AD0XD1 */
 };
@@ -150,6 +205,8 @@ static void __init smdkv210_machine_init(void)
 {
         s3c_pm_init();
 
+        smdkv210_dm9000_init();
+
         samsung_keypad_set_platdata(&smdkv210_keypad_data);
         s3c24xx_ts_set_platdata(&s3c_ts_platform);