From: Steve Sakoman <steve@xxxxxxxxxxx>
OMAP3 EVM: add ethernet support (smc911x)
Signed-off-by: Steve Sakoman <steve@xxxxxxxxxxx>
---
arch/arm/mach-omap2/board-omap3evm.c | 45 ++++++++++++++++++++++++++++
include/asm-arm/arch-omap/board-omap3evm.h | 6 ++++
2 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3evm.c
b/arch/arm/mach-omap2/board-omap3evm.c
index 825da19..d8109ae 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -35,6 +35,49 @@
#include <asm/arch/common.h>
#include <asm/arch/mcspi.h>
+static struct resource omap3evm_smc911x_resources[] = {
+ [0] = {
+ .start = OMAP3EVM_ETHR_START,
+ .end = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
+ .end = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device omap3evm_smc911x_device = {
+ .name = "smc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(omap3evm_smc911x_resources),
+ .resource = &omap3evm_smc911x_resources [0],
+};
+
+static inline void __init omap3evm_init_smc911x(void)
+{
+ int eth_cs;
+ struct clk *l3ck;
+ unsigned int rate;
+
+ eth_cs = OMAP3EVM_SMC911X_CS;
+
+ l3ck = clk_get(NULL, "l3_ck");
+ if (IS_ERR(l3ck))
+ rate = 100000000;
+ else
+ rate = clk_get_rate(l3ck);
+
+ if (omap_request_gpio(OMAP3EVM_ETHR_GPIO_IRQ) < 0) {
+ printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
+ OMAP3EVM_ETHR_GPIO_IRQ);
+ return;
+ }
+
+ omap_set_gpio_direction(OMAP3EVM_ETHR_GPIO_IRQ, 1);
+}
+
static struct omap_uart_config omap3_evm_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
@@ -111,6 +154,7 @@ static void __init omap3_evm_init_irq(void)
omap2_init_common_hw();
omap_init_irq();
omap_gpio_init();
+ omap3evm_init_smc911x();
}
static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
@@ -124,6 +168,7 @@ static struct platform_device *omap3_evm_devices[]
__initdata = {
#ifdef CONFIG_RTC_DRV_TWL4030
&omap3_evm_twl4030rtc_device,
#endif
+ &omap3evm_smc911x_device,
};
static void __init omap3_evm_init(void)
diff --git a/include/asm-arm/arch-omap/board-omap3evm.h
b/include/asm-arm/arch-omap/board-omap3evm.h
index 67188c3..784d7f2 100644
--- a/include/asm-arm/arch-omap/board-omap3evm.h
+++ b/include/asm-arm/arch-omap/board-omap3evm.h
@@ -32,7 +32,13 @@
extern void omap3evm_flash_init(void);
#define OMAP3_EVM_TS_GPIO 175
+
#define ONENAND_MAP 0x20000000
+#define OMAP3EVM_ETHR_START 0x2c000000
+#define OMAP3EVM_ETHR_SIZE 1024
+#define OMAP3EVM_ETHR_GPIO_IRQ 176
+#define OMAP3EVM_SMC911X_CS 5
+
#endif /* __ASM_ARCH_OMAP3_EVM_H */
--
1.5.4.5
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