diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-omap2/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-2430sdp.c | 103 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-3430sdp.c | 84 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-rx51-peripherals.c | 146 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/gpmc-smc91x.c | 189 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/mach/gpmc-smc91x.h | 42 |
6 files changed, 313 insertions, 254 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 11f7f660879b..e4f6f61c40e7 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 22143651037e..ef70b79942cd 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 ed9274972122..0e6369583958 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 ca18ae94185a..233c7454d84f 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 000000000000..df99d31d8b64 --- /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 000000000000..b64fbee4d567 --- /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 |