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authorKuninori Morimoto2012-04-11 05:57:58 +0200
committerRafael J. Wysocki2012-05-12 22:34:15 +0200
commitc15c4257a7858c6670f54c667f804df86a9fff1c (patch)
treeba0c740cef4a45f3011ef87bb699dd1983fe003f /arch/arm/mach-shmobile
parentARM: mach-shmobile: kzm9g: add defconfig (diff)
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ARM: mach-shmobile: kzm9g: add SMSC 9221 support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Tested-by: Simon Horman <horms@verge.net.au> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'arch/arm/mach-shmobile')
-rw-r--r--arch/arm/mach-shmobile/board-kzm9g.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index 55dad87926d5..a46aec1ddb44 100644
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -20,6 +20,8 @@
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
+#include <linux/smsc911x.h>
+#include <mach/irqs.h>
#include <mach/sh73a0.h>
#include <mach/common.h>
#include <asm/hardware/cache-l2x0.h>
@@ -27,7 +29,37 @@
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+/* SMSC 9221 */
+static struct resource smsc9221_resources[] = {
+ [0] = {
+ .start = 0x10000000, /* CS4 */
+ .end = 0x100000ff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = intcs_evt2irq(0x260), /* IRQ3 */
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct smsc911x_platform_config smsc9221_platdata = {
+ .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
+ .phy_interface = PHY_INTERFACE_MODE_MII,
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+};
+
+static struct platform_device smsc_device = {
+ .name = "smsc911x",
+ .dev = {
+ .platform_data = &smsc9221_platdata,
+ },
+ .resource = smsc9221_resources,
+ .num_resources = ARRAY_SIZE(smsc9221_resources),
+};
+
static struct platform_device *kzm_devices[] __initdata = {
+ &smsc_device,
};
static void __init kzm_init(void)
@@ -40,6 +72,13 @@ static void __init kzm_init(void)
gpio_request(GPIO_FN_SCIFA4_RTS_, NULL);
gpio_request(GPIO_FN_SCIFA4_CTS_, NULL);
+ /* CS4 for SMSC/USB */
+ gpio_request(GPIO_FN_CS4_, NULL); /* CS4 */
+
+ /* SMSC */
+ gpio_request(GPIO_PORT224, NULL); /* IRQ3 */
+ gpio_direction_input(GPIO_PORT224);
+
#ifdef CONFIG_CACHE_L2X0
/* Early BRESP enable, Shared attribute override enable, 64K*8way */
l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);