diff options
| -rw-r--r-- | arch/arm/mach-omap2/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-h4.c | 46 | ||||
| -rw-r--r-- | arch/arm/plat-omap/Kconfig | 9 | ||||
| -rw-r--r-- | arch/arm/plat-omap/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/plat-omap/debug-devices.c | 86 | ||||
| -rw-r--r-- | include/asm-arm/arch-omap/board.h | 4 |
6 files changed, 102 insertions, 46 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 7393109f5c30..cf4268e46b03 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -21,7 +21,7 @@ config MACH_OMAP_GENERIC config MACH_OMAP_H4 bool "OMAP 2420 H4 board" depends on ARCH_OMAP2 && ARCH_OMAP24XX - select OMAP_DEBUG_LEDS if LEDS || LEDS_OMAP_DEBUG + select OMAP_DEBUG_DEVICES config MACH_OMAP_APOLLON bool "OMAP 2420 Apollon board" diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index 452193f01531..f125f432cc3e 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -131,26 +131,6 @@ static struct platform_device h4_flash_device = { .resource = &h4_flash_resource, }; -static struct resource h4_smc91x_resources[] = { - [0] = { - .start = OMAP24XX_ETHR_START, /* Physical */ - .end = OMAP24XX_ETHR_START + 0xf, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), - .end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device h4_smc91x_device = { - .name = "smc91x", - .id = -1, - .num_resources = ARRAY_SIZE(h4_smc91x_resources), - .resource = h4_smc91x_resources, -}; - /* Select between the IrDA and aGPS module */ static int h4_select_irda(struct device *dev, int state) @@ -266,29 +246,14 @@ static struct platform_device h4_lcd_device = { .id = -1, }; -static struct resource h4_led_resources[] = { - [0] = { - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device h4_led_device = { - .name = "omap_dbg_led", - .id = -1, - .num_resources = ARRAY_SIZE(h4_led_resources), - .resource = h4_led_resources, -}; - static struct platform_device *h4_devices[] __initdata = { - &h4_smc91x_device, &h4_flash_device, &h4_irda_device, &h4_kp_device, &h4_lcd_device, - &h4_led_device, }; -static inline void __init h4_init_smc91x(void) +static inline void __init h4_init_debug(void) { /* Make sure CS1 timings are correct */ GPMC_CONFIG1_1 = 0x00011200; @@ -301,12 +266,8 @@ static inline void __init h4_init_smc91x(void) udelay(100); omap_cfg_reg(M15_24XX_GPIO92); - if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) { - printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", - OMAP24XX_ETHR_GPIO_IRQ); - return; - } - omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1); + if (debug_card_init(cs_mem_base, OMAP24XX_ETHR_GPIO_IRQ) < 0) + gpmc_cs_free(eth_cs); } static void __init omap_h4_init_irq(void) @@ -314,7 +275,6 @@ static void __init omap_h4_init_irq(void) omap2_init_common_hw(); omap_init_irq(); omap_gpio_init(); - h4_init_smc91x(); } static struct omap_uart_config h4_uart_config __initdata = { diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index cfc69f3842fd..c1f7e5a819a3 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -20,10 +20,15 @@ endchoice comment "OMAP Feature Selections" -config OMAP_DEBUG_LEDS +config OMAP_DEBUG_DEVICES bool help - For debug card leds on TI reference boards. + For debug cards on TI reference boards. + +config OMAP_DEBUG_LEDS + bool + depends on OMAP_DEBUG_DEVICES + default y if LEDS || LEDS_OMAP_DEBUG config OMAP_RESET_CLOCKS bool "Reset unused clocks during boot" diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile index 41a3c1cf3bd4..2549129aabc6 100644 --- a/arch/arm/plat-omap/Makefile +++ b/arch/arm/plat-omap/Makefile @@ -17,4 +17,5 @@ obj-$(CONFIG_ARCH_OMAP16XX) += ocpi.o obj-$(CONFIG_CPU_FREQ) += cpu-omap.o obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o +obj-$(CONFIG_OMAP_DEBUG_DEVICES) += debug-devices.o obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o diff --git a/arch/arm/plat-omap/debug-devices.c b/arch/arm/plat-omap/debug-devices.c new file mode 100644 index 000000000000..83a5f8b91857 --- /dev/null +++ b/arch/arm/plat-omap/debug-devices.c @@ -0,0 +1,86 @@ +/* + * linux/arch/arm/plat-omap/debug-devices.c + * + * Copyright (C) 2005 Nokia Corporation + * Modified from mach-omap2/board-h4.c + * + * 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/init.h> +#include <linux/platform_device.h> + +#include <asm/hardware.h> +#include <asm/io.h> + +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> + + +/* Many OMAP development platforms reuse the same "debug board"; these + * platforms include H2, H3, H4, and Perseus2. + */ + +static struct resource smc91x_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, + [1] = { + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = -1, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; + +static struct resource led_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device led_device = { + .name = "omap_dbg_led", + .id = -1, + .num_resources = ARRAY_SIZE(led_resources), + .resource = led_resources, +}; + +static struct platform_device *debug_devices[] __initdata = { + &smc91x_device, + &led_device, + /* ps2 kbd + mouse ports */ + /* 4 extra uarts */ + /* 6 input dip switches */ + /* 8 output pins */ +}; + +int __init debug_card_init(u32 addr, unsigned gpio) +{ + int status; + + smc91x_resources[0].start = addr + 0x300; + smc91x_resources[0].end = addr + 0x30f; + + smc91x_resources[1].start = OMAP_GPIO_IRQ(gpio); + smc91x_resources[1].end = OMAP_GPIO_IRQ(gpio); + + status = omap_request_gpio(gpio); + if (status < 0) { + printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio); + return status; + } + omap_set_gpio_direction(gpio, 1); + + led_resources[0].start = addr; + led_resources[0].end = addr + SZ_4K - 1; + + return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices)); +} diff --git a/include/asm-arm/arch-omap/board.h b/include/asm-arm/arch-omap/board.h index 031672c56377..db44c5d1f1a0 100644 --- a/include/asm-arm/arch-omap/board.h +++ b/include/asm-arm/arch-omap/board.h @@ -179,4 +179,8 @@ extern const void *omap_get_var_config(u16 tag, size_t *len); extern struct omap_board_config_kernel *omap_board_config; extern int omap_board_config_size; + +/* for TI reference platforms sharing the same debug card */ +extern int debug_card_init(u32 addr, unsigned gpio); + #endif |