diff options
Diffstat (limited to 'target/linux/rdc-2.6/files')
7 files changed, 259 insertions, 60 deletions
diff --git a/target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c b/target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c new file mode 100644 index 000000000..eadb15235 --- /dev/null +++ b/target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2007, OpenWrt.org, Florian Fainelli <florian@openwrt.org> + * RDC321x architecture specific GPIO support + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/autoconf.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/types.h> +#include <linux/module.h> +#include <linux/delay.h> + +#define RDC3210_CFGREG_ADDR 0x0CF8 +#define RDC3210_CFGREG_DATA 0x0CFC + +static unsigned int rdc_gpio_read(unsigned gpio) +{ + unsigned int val; + + val = 0x80000000 | (7 << 11) | ((0x48)); + outl(val, RDC3210_CFGREG_ADDR); + udelay(10); + val = inl(RDC3210_CFGREG_DATA); + val |= (0x1 << gpio); + outl(val, RDC3210_CFGREG_DATA); + udelay(10); + val = 0x80000000 | (7 << 11) | ((0x4C)); + outl(val, RDC3210_CFGREG_ADDR); + udelay(10); + val = inl(RDC3210_CFGREG_DATA); + + return val; +} + +void rdc_gpio_write(unsigned int val) +{ + if (val) { + outl(val, RDC3210_CFGREG_DATA); + udelay(10); + } +} + +int rdc_gpio_get_value(unsigned gpio) +{ + return ((int)rdc_gpio_read(gpio)); +} +EXPORT_SYMBOL(rdc_gpio_get_value); + +void rdc_gpio_set_value(unsigned gpio, int value) +{ + unsigned int val; + + val = rdc_gpio_read(gpio); + + if (value) + val &= ~(0x1 << gpio); + else + val |= (0x1 << gpio); + + rdc_gpio_write(val); +} +EXPORT_SYMBOL(rdc_gpio_set_value); + +int rdc_gpio_direction_input(unsigned gpio) +{ + return 0; +} +EXPORT_SYMBOL(rdc_gpio_direction_input); + +int rdc_gpio_direction_output(unsigned gpio, int value) +{ + return 0; +} +EXPORT_SYMBOL(rdc_gpio_direction_output); + + diff --git a/target/linux/rdc-2.6/files/arch/i386/mach-rdc/platform.c b/target/linux/rdc-2.6/files/arch/i386/mach-rdc/platform.c new file mode 100644 index 000000000..aa245a052 --- /dev/null +++ b/target/linux/rdc-2.6/files/arch/i386/mach-rdc/platform.c @@ -0,0 +1,73 @@ +/* + * $Id: platform.c 8331 2007-08-03 15:59:23Z florian $ + * + * Generic RDC321x platform devices + * + * Copyright (C) 2007 OpenWrt.org + * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/device.h> +#include <linux/platform_device.h> + +#include <asm/gpio.h> +#include <asm/mach-rdc/rdc321x_defs.h> + +/* FIXME : Flash */ +static struct resource rdc_flash_resource[] = { + [0] = { + .start = RDC_FLASH_BASE, + .end = RDC_FLASH_BASE+CONFIG_MTD_RDC3210_SIZE-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device rdc_flash_device = { + .name = "rdc321x-flash", + .id = -1, + .num_resources = ARRAY_SIZE(rdc_flash_resource), + .resource = rdc_flash_resource, +}; + +/* LEDS */ +static struct platform_device rdc321x_leds = { + .name = "rdc321x-leds", + .id = -1, + .num_resources = 0, +}; + +static int __init rdc_board_setup(void) +{ + int err; + + err = platform_device_register(&rdc_flash_device); + if (err) + printk(KERN_ALERT "rdc321x: failed to register flash\n"); + + err = platform_device_register(&rdc321x_leds); + if (err) + printk(KERN_ALERT "rdc321x: failed to register LEDS\n"); + + return err; +} + +arch_initcall(rdc_board_setup); diff --git a/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c b/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c index b98b43a5b..b45a10e0a 100644 --- a/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c +++ b/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c @@ -10,100 +10,67 @@ */ #include <linux/kernel.h> +#include <linux/module.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/leds.h> #include <linux/err.h> +#include <linux/delay.h> #include <asm/io.h> +#include <asm/gpio.h> -#define LED_VAL 0x8000384C // the data ofset of gpio 0~30 +int gpio; +module_param(gpio, int, 0444); +MODULE_PARM_DESC(gpio, " GPIO line"); -static struct platform_device *pdev; - -static void rdc3211_led_set(struct led_classdev *led_cdev, enum led_brightness brightness) +static void rdc321x_led_set(struct led_classdev *led_cdev, enum led_brightness brightness) { - unsigned long ul_ledstat = 0xffffffff; - unsigned long led_bit = 1 << (led_cdev->flags); - - if (brightness) - ul_ledstat &= ~led_bit; - else - ul_ledstat|= led_bit; - - outl(LED_VAL, 0xcf8); - outl(ul_ledstat, 0xcfc); + gpio_set_value(gpio, brightness ? 1 : 0); } -static struct led_classdev rdc3211_power_led = { - .name = "rdc3211:power", - .flags = 15, - .brightness_set = rdc3211_led_set, +static struct led_classdev rdc321x_dmz_led = { + .name = "rdc321x:dmz", + .brightness_set = rdc321x_led_set, }; -static struct led_classdev rdc3211_dmz_led = { - .name = "rdc3211:dmz", - .flags = 16, - .brightness_set = rdc3211_led_set, -}; - -static int rdc3211_leds_probe(struct platform_device *pdev) +static int rdc321x_leds_probe(struct platform_device *pdev) { - int ret; - - ret = led_classdev_register(&pdev->dev, &rdc3211_power_led); - if (ret < 0) - return ret; - - ret = led_classdev_register(&pdev->dev, &rdc3211_dmz_led); - if (ret < 0) - led_classdev_unregister(&rdc3211_power_led); - - return ret; + return led_classdev_register(&pdev->dev, &rdc321x_dmz_led); } -static int rdc3211_leds_remove(struct platform_device *pdev) +static int rdc321x_leds_remove(struct platform_device *pdev) { - led_classdev_unregister(&rdc3211_power_led); - led_classdev_unregister(&rdc3211_dmz_led); + led_classdev_unregister(&rdc321x_dmz_led); return 0; } -static struct platform_driver rdc3211_leds_driver = { - .probe = rdc3211_leds_probe, - .remove = rdc3211_leds_remove, +static struct platform_driver rdc321x_leds_driver = { + .probe = rdc321x_leds_probe, + .remove = rdc321x_leds_remove, .driver = { - .name = "rdc3211-leds", + .name = "rdc321x-leds", + .owner = THIS_MODULE, } }; -static int __init rdc3211_leds_init(void) +static int __init rdc321x_leds_init(void) { int ret; - ret = platform_driver_register(&rdc3211_leds_driver); - if (ret < 0) - goto out; - - pdev = platform_device_register_simple("rdc3211-leds", -1, NULL, 0); - if (IS_ERR(pdev)) { - ret = PTR_ERR(pdev); - platform_driver_unregister(&rdc3211_leds_driver); - goto out; - } + ret = platform_driver_register(&rdc321x_leds_driver); -out: return ret; } -static void __exit rdc3211_leds_exit(void) +static void __exit rdc321x_leds_exit(void) { - platform_driver_unregister(&rdc3211_leds_driver); + platform_driver_unregister(&rdc321x_leds_driver); } -module_init(rdc3211_leds_init); -module_exit(rdc3211_leds_exit); +module_init(rdc321x_leds_init); +module_exit(rdc321x_leds_exit); MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); -MODULE_DESCRIPTION("RDC3211 LED driver"); +MODULE_DESCRIPTION("RDC321x LED driver"); MODULE_LICENSE("GPL"); diff --git a/target/linux/rdc-2.6/files/include/asm-i386/gpio.h b/target/linux/rdc-2.6/files/include/asm-i386/gpio.h new file mode 100644 index 000000000..ff87fca0c --- /dev/null +++ b/target/linux/rdc-2.6/files/include/asm-i386/gpio.h @@ -0,0 +1,6 @@ +#ifndef _ASM_I386_GPIO_H +#define _ASM_I386_GPIO_H + +#include <gpio.h> + +#endif /* _ASM_I386_GPIO_H */ diff --git a/target/linux/rdc-2.6/files/include/asm-i386/mach-generic/gpio.h b/target/linux/rdc-2.6/files/include/asm-i386/mach-generic/gpio.h new file mode 100644 index 000000000..5305dcb96 --- /dev/null +++ b/target/linux/rdc-2.6/files/include/asm-i386/mach-generic/gpio.h @@ -0,0 +1,15 @@ +#ifndef __ASM_MACH_GENERIC_GPIO_H +#define __ASM_MACH_GENERIC_GPIO_H + +int gpio_request(unsigned gpio, const char *label); +void gpio_free(unsigned gpio); +int gpio_direction_input(unsigned gpio); +int gpio_direction_output(unsigned gpio, int value); +int gpio_get_value(unsigned gpio); +void gpio_set_value(unsigned gpio, int value); +int gpio_to_irq(unsigned gpio); +int irq_to_gpio(unsigned irq); + +#include <asm-generic/gpio.h> /* cansleep wrappers */ + +#endif /* __ASM_MACH_GENERIC_GPIO_H */ diff --git a/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/gpio.h b/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/gpio.h new file mode 100644 index 000000000..2368bd758 --- /dev/null +++ b/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/gpio.h @@ -0,0 +1,56 @@ +#ifndef _RDC_GPIO_H +#define _RDC_GPIO_H + +extern int rdc_gpio_get_value(unsigned gpio); +extern void rdc_gpio_set_value(unsigned gpio, int value); +extern int rdc_gpio_direction_input(unsigned gpio); +extern int rdc_gpio_direction_output(unsigned gpio, int value); + + +/* Wrappers for the arch-neutral GPIO API */ + +static inline int gpio_request(unsigned gpio, const char *label) +{ + /* Not yet implemented */ + return 0; +} + +static inline void gpio_free(unsigned gpio) +{ + /* Not yet implemented */ +} + +static inline int gpio_direction_input(unsigned gpio) +{ + return rdc_gpio_direction_input(gpio); +} + +static inline int gpio_direction_output(unsigned gpio, int value) +{ + return rdc_gpio_direction_output(gpio, value); +} + +static inline int gpio_get_value(unsigned gpio) +{ + return rdc_gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + rdc_gpio_set_value(gpio, value); +} + +static inline int gpio_to_irq(unsigned gpio) +{ + return gpio; +} + +static inline int irq_to_gpio(unsigned irq) +{ + return irq; +} + +/* For cansleep */ +#include <asm-generic/gpio.h> + +#endif /* _RDC_GPIO_H_ */ diff --git a/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/rdc321x_defs.h b/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/rdc321x_defs.h new file mode 100644 index 000000000..c8e6355bc --- /dev/null +++ b/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/rdc321x_defs.h @@ -0,0 +1 @@ +#define RDC_FLASH_BASE 0xffc00000 |