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-rw-r--r--arch/arm/mach-omap2/Makefile3
-rw-r--r--arch/arm/mach-omap2/board-2430sdp.c103
-rw-r--r--arch/arm/mach-omap2/board-3430sdp.c84
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c146
-rw-r--r--arch/arm/mach-omap2/gpmc-smc91x.c189
-rw-r--r--arch/arm/plat-omap/include/mach/gpmc-smc91x.h42
6 files changed, 313 insertions, 254 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 11f7f660879..e4f6f61c40e 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -61,3 +61,6 @@ endif
onenand-$(CONFIG_MTD_ONENAND_OMAP2) := gpmc-onenand.o
obj-y += $(onenand-m) $(onenand-y)
+
+smc91x-$(CONFIG_SMC91X) := gpmc-smc91x.o
+obj-y += $(smc91x-m) $(smc91x-y)
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 22143651037..ef70b79942c 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -36,14 +36,11 @@
#include <mach/common.h>
#include <mach/gpmc.h>
#include <mach/usb.h>
+#include <mach/gpmc-smc91x.h>
#include "mmc-twl4030.h"
#define SDP2430_CS0_BASE 0x04000000
-#define SDP2430_FLASH_CS 0
-#define SDP2430_SMC91X_CS 5
-
-#define SDP2430_ETHR_GPIO_IRQ 149
static struct mtd_partition sdp2430_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
@@ -99,100 +96,43 @@ static struct platform_device sdp2430_flash_device = {
.resource = &sdp2430_flash_resource,
};
-static struct resource sdp2430_smc91x_resources[] = {
- [0] = {
- .start = SDP2430_CS0_BASE,
- .end = SDP2430_CS0_BASE + SZ_64M - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = OMAP_GPIO_IRQ(SDP2430_ETHR_GPIO_IRQ),
- .end = OMAP_GPIO_IRQ(SDP2430_ETHR_GPIO_IRQ),
- .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
- },
-};
-
-static struct platform_device sdp2430_smc91x_device = {
- .name = "smc91x",
- .id = -1,
- .num_resources = ARRAY_SIZE(sdp2430_smc91x_resources),
- .resource = sdp2430_smc91x_resources,
-};
-
static struct platform_device *sdp2430_devices[] __initdata = {
- &sdp2430_smc91x_device,
&sdp2430_flash_device,
};
-static inline void __init sdp2430_init_smc91x(void)
-{
- int eth_cs;
- unsigned long cs_mem_base;
- unsigned int rate;
- struct clk *gpmc_fck;
-
- eth_cs = SDP2430_SMC91X_CS;
+#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
- gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
- if (IS_ERR(gpmc_fck)) {
- WARN_ON(1);
- return;
- }
+static struct omap_smc91x_platform_data board_smc91x_data = {
+ .cs = 5,
+ .gpio_irq = 149,
+ .flags = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
+ IORESOURCE_IRQ_LOWLEVEL,
- clk_enable(gpmc_fck);
- rate = clk_get_rate(gpmc_fck);
-
- /* Make sure CS1 timings are correct, for 2430 always muxed */
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
-
- if (rate >= 160000000) {
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
- } else if (rate >= 130000000) {
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
- } else { /* rate = 100000000 */
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
- }
+};
- if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
- printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
- goto out;
- }
+static void __init board_smc91x_init(void)
+{
+ if (omap_rev() > OMAP3430_REV_ES1_0)
+ board_smc91x_data.gpio_irq = 6;
+ else
+ board_smc91x_data.gpio_irq = 29;
- sdp2430_smc91x_resources[0].start = cs_mem_base + 0x300;
- sdp2430_smc91x_resources[0].end = cs_mem_base + 0x30f;
- udelay(100);
+ gpmc_smc91x_init(&board_smc91x_data);
+}
- if (gpio_request(SDP2430_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
- printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
- SDP2430_ETHR_GPIO_IRQ);
- gpmc_cs_free(eth_cs);
- goto out;
- }
- gpio_direction_input(SDP2430_ETHR_GPIO_IRQ);
+#else
-out:
- clk_disable(gpmc_fck);
- clk_put(gpmc_fck);
+static inline void board_smc91x_init(void)
+{
}
+#endif
+
static void __init omap_2430sdp_init_irq(void)
{
omap2_init_common_hw(NULL);
omap_init_irq();
omap_gpio_init();
- sdp2430_init_smc91x();
}
static struct omap_uart_config sdp2430_uart_config __initdata = {
@@ -256,6 +196,7 @@ static void __init omap_2430sdp_init(void)
omap_serial_init();
twl4030_mmc_init(mmc);
usb_musb_init();
+ board_smc91x_init();
}
static void __init omap_2430sdp_map_io(void)
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index ed927497212..0e636958395 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -39,15 +39,12 @@
#include <mach/control.h>
#include <mach/keypad.h>
+#include <mach/gpmc-smc91x.h>
#include "mmc-twl4030.h"
#define CONFIG_DISABLE_HFCLK 1
-#define SDP3430_ETHR_GPIO_IRQ_SDPV1 29
-#define SDP3430_ETHR_GPIO_IRQ_SDPV2 6
-#define SDP3430_SMC91X_CS 3
-
#define SDP3430_TS_GPIO_IRQ_SDPV1 3
#define SDP3430_TS_GPIO_IRQ_SDPV2 2
@@ -56,24 +53,6 @@
#define TWL4030_MSECURE_GPIO 22
-static struct resource sdp3430_smc91x_resources[] = {
- [0] = {
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 0,
- .end = 0,
- .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
- },
-};
-
-static struct platform_device sdp3430_smc91x_device = {
- .name = "smc91x",
- .id = -1,
- .num_resources = ARRAY_SIZE(sdp3430_smc91x_resources),
- .resource = sdp3430_smc91x_resources,
-};
-
static int sdp3430_keymap[] = {
KEY(0, 0, KEY_LEFT),
KEY(0, 1, KEY_RIGHT),
@@ -184,48 +163,14 @@ static struct regulator_consumer_supply sdp3430_vdvi_supply = {
};
static struct platform_device *sdp3430_devices[] __initdata = {
- &sdp3430_smc91x_device,
&sdp3430_lcd_device,
};
-static inline void __init sdp3430_init_smc91x(void)
-{
- int eth_cs;
- unsigned long cs_mem_base;
- int eth_gpio = 0;
-
- eth_cs = SDP3430_SMC91X_CS;
-
- if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
- printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
- return;
- }
-
- sdp3430_smc91x_resources[0].start = cs_mem_base + 0x300;
- sdp3430_smc91x_resources[0].end = cs_mem_base + 0x30f;
- udelay(100);
-
- if (omap_rev() > OMAP3430_REV_ES1_0)
- eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV2;
- else
- eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV1;
-
- sdp3430_smc91x_resources[1].start = gpio_to_irq(eth_gpio);
-
- if (gpio_request(eth_gpio, "SMC91x irq") < 0) {
- printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
- eth_gpio);
- return;
- }
- gpio_direction_input(eth_gpio);
-}
-
static void __init omap_3430sdp_init_irq(void)
{
omap2_init_common_hw(NULL);
omap_init_irq();
omap_gpio_init();
- sdp3430_init_smc91x();
}
static struct omap_uart_config sdp3430_uart_config __initdata = {
@@ -506,6 +451,32 @@ static int __init omap3430_i2c_init(void)
return 0;
}
+#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
+
+static struct omap_smc91x_platform_data board_smc91x_data = {
+ .cs = 3,
+ .flags = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
+ IORESOURCE_IRQ_LOWLEVEL,
+};
+
+static void __init board_smc91x_init(void)
+{
+ if (omap_rev() > OMAP3430_REV_ES1_0)
+ board_smc91x_data.gpio_irq = 6;
+ else
+ board_smc91x_data.gpio_irq = 29;
+
+ gpmc_smc91x_init(&board_smc91x_data);
+}
+
+#else
+
+static inline void board_smc91x_init(void)
+{
+}
+
+#endif
+
static void __init omap_3430sdp_init(void)
{
omap3430_i2c_init();
@@ -522,6 +493,7 @@ static void __init omap_3430sdp_init(void)
ads7846_dev_init();
omap_serial_init();
usb_musb_init();
+ board_smc91x_init();
}
static void __init omap_3430sdp_map_io(void)
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index ca18ae94185..233c7454d84 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -28,31 +28,10 @@
#include <mach/gpmc.h>
#include <mach/keypad.h>
#include <mach/onenand.h>
+#include <mach/gpmc-smc91x.h>
#include "mmc-twl4030.h"
-
-#define SMC91X_CS 1
-#define SMC91X_GPIO_IRQ 54
-#define SMC91X_GPIO_RESET 164
-#define SMC91X_GPIO_PWRDWN 86
-
-static struct resource rx51_smc91x_resources[] = {
- [0] = {
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
- },
-};
-
-static struct platform_device rx51_smc91x_device = {
- .name = "smc91x",
- .id = -1,
- .num_resources = ARRAY_SIZE(rx51_smc91x_resources),
- .resource = rx51_smc91x_resources,
-};
-
static int rx51_keymap[] = {
KEY(0, 0, KEY_Q),
KEY(0, 1, KEY_W),
@@ -108,98 +87,6 @@ static struct twl4030_keypad_data rx51_kp_data = {
.rep = 1,
};
-static struct platform_device *rx51_peripherals_devices[] = {
- &rx51_smc91x_device,
-};
-
-/*
- * Timings are taken from smsc-lan91c96-ms.pdf
- */
-static int smc91x_init_gpmc(int cs)
-{
- struct gpmc_timings t;
- const int t2_r = 45; /* t2 in Figure 12.10 */
- const int t2_w = 30; /* t2 in Figure 12.11 */
- const int t3 = 15; /* t3 in Figure 12.10 */
- const int t5_r = 0; /* t5 in Figure 12.10 */
- const int t6_r = 45; /* t6 in Figure 12.10 */
- const int t6_w = 0; /* t6 in Figure 12.11 */
- const int t7_w = 15; /* t7 in Figure 12.11 */
- const int t15 = 12; /* t15 in Figure 12.2 */
- const int t20 = 185; /* t20 in Figure 12.2 */
-
- memset(&t, 0, sizeof(t));
-
- t.cs_on = t15;
- t.cs_rd_off = t3 + t2_r + t5_r; /* Figure 12.10 */
- t.cs_wr_off = t3 + t2_w + t6_w; /* Figure 12.11 */
- t.adv_on = t3; /* Figure 12.10 */
- t.adv_rd_off = t3 + t2_r; /* Figure 12.10 */
- t.adv_wr_off = t3 + t2_w; /* Figure 12.11 */
- t.oe_off = t3 + t2_r + t5_r; /* Figure 12.10 */
- t.oe_on = t.oe_off - t6_r; /* Figure 12.10 */
- t.we_off = t3 + t2_w + t6_w; /* Figure 12.11 */
- t.we_on = t.we_off - t7_w; /* Figure 12.11 */
- t.rd_cycle = t20; /* Figure 12.2 */
- t.wr_cycle = t20; /* Figure 12.4 */
- t.access = t3 + t2_r + t5_r; /* Figure 12.10 */
- t.wr_access = t3 + t2_w + t6_w; /* Figure 12.11 */
-
- gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16);
-
- return gpmc_cs_set_timings(cs, &t);
-}
-
-static void __init rx51_init_smc91x(void)
-{
- unsigned long cs_mem_base;
- int ret;
-
- omap_cfg_reg(U8_34XX_GPIO54_DOWN);
- omap_cfg_reg(G25_34XX_GPIO86_OUT);
- omap_cfg_reg(H19_34XX_GPIO164_OUT);
-
- if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) {
- printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
- return;
- }
-
- rx51_smc91x_resources[0].start = cs_mem_base + 0x300;
- rx51_smc91x_resources[0].end = cs_mem_base + 0x30f;
-
- smc91x_init_gpmc(SMC91X_CS);
-
- if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0)
- goto free1;
-
- gpio_direction_input(SMC91X_GPIO_IRQ);
- rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ);
-
- ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown");
- if (ret)
- goto free2;
- gpio_direction_output(SMC91X_GPIO_PWRDWN, 0);
-
- ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset");
- if (ret)
- goto free3;
- gpio_direction_output(SMC91X_GPIO_RESET, 0);
- gpio_set_value(SMC91X_GPIO_RESET, 1);
- msleep(100);
- gpio_set_value(SMC91X_GPIO_RESET, 0);
-
- return;
-
-free3:
- gpio_free(SMC91X_GPIO_PWRDWN);
-free2:
- gpio_free(SMC91X_GPIO_IRQ);
-free1:
- gpmc_cs_free(SMC91X_CS);
-
- printk(KERN_ERR "Could not initialize smc91x\n");
-}
-
static struct twl4030_madc_platform_data rx51_madc_data = {
.irq_line = 1,
};
@@ -466,12 +353,37 @@ static inline void board_onenand_init(void)
#endif
+#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
+
+static struct omap_smc91x_platform_data board_smc91x_data = {
+ .cs = 1,
+ .gpio_irq = 54,
+ .gpio_pwrdwn = 86,
+ .gpio_reset = 164,
+ .flags = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_HIGHLEVEL,
+};
+
+static void __init board_smc91x_init(void)
+{
+ omap_cfg_reg(U8_34XX_GPIO54_DOWN);
+ omap_cfg_reg(G25_34XX_GPIO86_OUT);
+ omap_cfg_reg(H19_34XX_GPIO164_OUT);
+
+ gpmc_smc91x_init(&board_smc91x_data);
+}
+
+#else
+
+static inline void board_smc91x_init(void)
+{
+}
+
+#endif
+
void __init rx51_peripherals_init(void)
{
- platform_add_devices(rx51_peripherals_devices,
- ARRAY_SIZE(rx51_peripherals_devices));
rx51_i2c_init();
- rx51_init_smc91x();
board_onenand_init();
+ board_smc91x_init();
}
diff --git a/arch/arm/mach-omap2/gpmc-smc91x.c b/arch/arm/mach-omap2/gpmc-smc91x.c
new file mode 100644
index 00000000000..df99d31d8b6
--- /dev/null
+++ b/arch/arm/mach-omap2/gpmc-smc91x.c
@@ -0,0 +1,189 @@
+/*
+ * linux/arch/arm/mach-omap2/gpmc-smc91x.c
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Contact: Tony Lindgren
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/smc91x.h>
+
+#include <mach/board.h>
+#include <mach/gpmc.h>
+#include <mach/gpmc-smc91x.h>
+
+static struct omap_smc91x_platform_data *gpmc_cfg;
+
+static struct resource gpmc_smc91x_resources[] = {
+ [0] = {
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct smc91x_platdata gpmc_smc91x_info = {
+ .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_0,
+};
+
+static struct platform_device gpmc_smc91x_device = {
+ .name = "smc91x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(gpmc_smc91x_resources),
+ .resource = gpmc_smc91x_resources,
+ .dev = {
+ .platform_data = &gpmc_smc91x_info,
+ },
+};
+
+/*
+ * Set the gpmc timings for smc91c96. The timings are taken
+ * from the data sheet available at:
+ * http://www.smsc.com/main/catalog/lan91c96.html
+ * REVISIT: Level shifters can add at least to the access latency.
+ */
+static int smc91c96_gpmc_retime(void)
+{
+ struct gpmc_timings t;
+ const int t3 = 10; /* Figure 12.2 read and 12.4 write */
+ const int t4_r = 20; /* Figure 12.2 read */
+ const int t4_w = 5; /* Figure 12.4 write */
+ const int t5 = 25; /* Figure 12.2 read */
+ const int t6 = 15; /* Figure 12.2 read */
+ const int t7 = 5; /* Figure 12.4 write */
+ const int t8 = 5; /* Figure 12.4 write */
+ const int t20 = 185; /* Figure 12.2 read and 12.4 write */
+ u32 l;
+
+ memset(&t, 0, sizeof(t));
+
+ /* Read timings */
+ t.cs_on = 0;
+ t.adv_on = t.cs_on;
+ t.oe_on = t.adv_on + t3;
+ t.access = t.oe_on + t5;
+ t.oe_off = t.access;
+ t.adv_rd_off = t.oe_off + max(t4_r, t6);
+ t.cs_rd_off = t.oe_off;
+ t.rd_cycle = t20 - t.oe_on;
+
+ /* Write timings */
+ t.we_on = t.adv_on + t3;
+
+ if (cpu_is_omap34xx() && (gpmc_cfg->flags & GPMC_MUX_ADD_DATA)) {
+ t.wr_data_mux_bus = t.we_on;
+ t.we_off = t.wr_data_mux_bus + t7;
+ } else
+ t.we_off = t.we_on + t7;
+ if (cpu_is_omap34xx())
+ t.wr_access = t.we_off;
+ t.adv_wr_off = t.we_off + max(t4_w, t8);
+ t.cs_wr_off = t.we_off + t4_w;
+ t.wr_cycle = t20 - t.we_on;
+
+ l = GPMC_CONFIG1_DEVICESIZE_16;
+ if (gpmc_cfg->flags & GPMC_MUX_ADD_DATA)
+ l |= GPMC_CONFIG1_MUXADDDATA;
+ if (gpmc_cfg->flags & GPMC_READ_MON)
+ l |= GPMC_CONFIG1_WAIT_READ_MON;
+ if (gpmc_cfg->flags & GPMC_WRITE_MON)
+ l |= GPMC_CONFIG1_WAIT_WRITE_MON;
+ if (gpmc_cfg->wait_pin)
+ l |= GPMC_CONFIG1_WAIT_PIN_SEL(gpmc_cfg->wait_pin);
+ gpmc_cs_write_reg(gpmc_cfg->cs, GPMC_CS_CONFIG1, l);
+
+ /*
+ * FIXME: Calculate the address and data bus muxed timings.
+ * Note that at least adv_rd_off needs to be changed according
+ * to omap3430 TRM Figure 11-11. Are the sdp boards using the
+ * FPGA in between smc91x and omap as the timings are different
+ * from above?
+ */
+ if (gpmc_cfg->flags & GPMC_MUX_ADD_DATA)
+ return 0;
+
+ return gpmc_cs_set_timings(gpmc_cfg->cs, &t);
+}
+
+/*
+ * Initialize smc91x device connected to the GPMC. Note that we
+ * assume that pin multiplexing is done in the board-*.c file,
+ * or in the bootloader.
+ */
+void __init gpmc_smc91x_init(struct omap_smc91x_platform_data *board_data)
+{
+ unsigned long cs_mem_base;
+ int ret;
+
+ gpmc_cfg = board_data;
+
+ if (gpmc_cfg->flags & GPMC_TIMINGS_SMC91C96)
+ gpmc_cfg->retime = smc91c96_gpmc_retime;
+
+ if (gpmc_cs_request(gpmc_cfg->cs, SZ_16M, &cs_mem_base) < 0) {
+ printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
+ return;
+ }
+
+ gpmc_smc91x_resources[0].start = cs_mem_base + 0x300;
+ gpmc_smc91x_resources[0].end = cs_mem_base + 0x30f;
+ gpmc_smc91x_resources[1].flags |= (gpmc_cfg->flags & IRQF_TRIGGER_MASK);
+
+ if (gpmc_cfg->retime) {
+ ret = gpmc_cfg->retime();
+ if (ret != 0)
+ goto free1;
+ }
+
+ if (gpio_request(gpmc_cfg->gpio_irq, "SMC91X irq") < 0)
+ goto free1;
+
+ gpio_direction_input(gpmc_cfg->gpio_irq);
+ gpmc_smc91x_resources[1].start = gpio_to_irq(gpmc_cfg->gpio_irq);
+
+ if (gpmc_cfg->gpio_pwrdwn) {
+ ret = gpio_request(gpmc_cfg->gpio_pwrdwn, "SMC91X powerdown");
+ if (ret)
+ goto free2;
+ gpio_direction_output(gpmc_cfg->gpio_pwrdwn, 0);
+ }
+
+ if (gpmc_cfg->gpio_reset) {
+ ret = gpio_request(gpmc_cfg->gpio_reset, "SMC91X reset");
+ if (ret)
+ goto free3;
+
+ gpio_direction_output(gpmc_cfg->gpio_reset, 0);
+ gpio_set_value(gpmc_cfg->gpio_reset, 1);
+ msleep(100);
+ gpio_set_value(gpmc_cfg->gpio_reset, 0);
+ }
+
+ if (platform_device_register(&gpmc_smc91x_device) < 0) {
+ printk(KERN_ERR "Unable to register smc91x device\n");
+ gpio_free(gpmc_cfg->gpio_reset);
+ goto free3;
+ }
+
+ return;
+
+free3:
+ if (gpmc_cfg->gpio_pwrdwn)
+ gpio_free(gpmc_cfg->gpio_pwrdwn);
+free2:
+ gpio_free(gpmc_cfg->gpio_irq);
+free1:
+ gpmc_cs_free(gpmc_cfg->cs);
+
+ printk(KERN_ERR "Could not initialize smc91x\n");
+}
diff --git a/arch/arm/plat-omap/include/mach/gpmc-smc91x.h b/arch/arm/plat-omap/include/mach/gpmc-smc91x.h
new file mode 100644
index 00000000000..b64fbee4d56
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/gpmc-smc91x.h
@@ -0,0 +1,42 @@
+/*
+ * arch/arm/plat-omap/include/mach/gpmc-smc91x.h
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_ARCH_OMAP_GPMC_SMC91X_H__
+
+#define GPMC_TIMINGS_SMC91C96 (1 << 4)
+#define GPMC_MUX_ADD_DATA (1 << 5) /* GPMC_CONFIG1_MUXADDDATA */
+#define GPMC_READ_MON (1 << 6) /* GPMC_CONFIG1_WAIT_READ_MON */
+#define GPMC_WRITE_MON (1 << 7) /* GPMC_CONFIG1_WAIT_WRITE_MON */
+
+struct omap_smc91x_platform_data {
+ int cs;
+ int gpio_irq;
+ int gpio_pwrdwn;
+ int gpio_reset;
+ int wait_pin; /* Optional GPMC_CONFIG1_WAITPINSELECT */
+ u32 flags;
+ int (*retime)(void);
+};
+
+#if defined(CONFIG_SMC91X) || \
+ defined(CONFIG_SMC91X_MODULE)
+
+extern void gpmc_smc91x_init(struct omap_smc91x_platform_data *d);
+
+#else
+
+#define board_smc91x_data NULL
+
+static inline void gpmc_smc91x_init(struct omap_smc91x_platform_data *d)
+{
+}
+
+#endif
+#endif