diff options
Diffstat (limited to 'target/linux/rdc-2.6/files/arch/i386/mach-rdc')
| -rw-r--r-- | target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c | 81 | ||||
| -rw-r--r-- | target/linux/rdc-2.6/files/arch/i386/mach-rdc/platform.c | 73 |
2 files changed, 154 insertions, 0 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); |