mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-14 02:59:42 +02:00
23e003c5bf
Add support for the 3 GPIO LEDs, reset button and switch to the gpio-buttons driver. Patch by Bernhard Loos. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19974 3c298f89-4303-0410-b956-a3cf2f4a3e73
290 lines
9.1 KiB
C
290 lines
9.1 KiB
C
/*
|
|
* Generic RDC321x platform devices
|
|
*
|
|
* Copyright (C) 2007-2009 OpenWrt.org
|
|
* Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
|
|
* Copyright (C) 2008-2009 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
|
|
*
|
|
* 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 <linux/version.h>
|
|
#include <linux/leds.h>
|
|
#include <linux/gpio_buttons.h>
|
|
#include <linux/input.h>
|
|
#include <linux/mtd/map.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/root_dev.h>
|
|
|
|
/* Flash */
|
|
#ifdef CONFIG_MTD_R8610
|
|
#define CONFIG_MTD_RDC3210 1
|
|
#elif defined CONFIG_MTD_RDC3210
|
|
static struct resource rdc_flash_resource[] = {
|
|
[0] = {
|
|
.start = (u32)-CONFIG_MTD_RDC3210_SIZE,
|
|
.end = (u32)-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,
|
|
};
|
|
#else
|
|
static struct mtd_partition rdc_flash_parts[15];
|
|
|
|
static struct resource rdc_flash_resource = {
|
|
.end = (u32)-1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct physmap_flash_data rdc_flash_data = {
|
|
.parts = rdc_flash_parts,
|
|
};
|
|
|
|
static struct platform_device rdc_flash_device = {
|
|
.name = "physmap-flash",
|
|
.id = -1,
|
|
.resource = &rdc_flash_resource,
|
|
.num_resources = 1,
|
|
.dev.platform_data = &rdc_flash_data,
|
|
};
|
|
#endif
|
|
|
|
/* LEDS */
|
|
static struct gpio_led default_leds[] = {
|
|
{ .name = "rdc321x:dmz", .gpio = 1, .active_low = 1},
|
|
};
|
|
|
|
static struct gpio_led sitecom_leds[] = {
|
|
{ .name = "rdc321x:power", .gpio = 15, .active_low = 1},
|
|
{ .name = "rdc321x:usb0", .gpio = 0, .active_low = 1},
|
|
{ .name = "rdc321x:usb1", .gpio = 1, .active_low = 1},
|
|
};
|
|
|
|
static struct gpio_led_platform_data rdc321x_led_data = {
|
|
.num_leds = ARRAY_SIZE(default_leds),
|
|
.leds = default_leds,
|
|
};
|
|
|
|
static struct platform_device rdc321x_leds = {
|
|
.name = "leds-gpio",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &rdc321x_led_data,
|
|
}
|
|
};
|
|
|
|
/* Button */
|
|
static struct gpio_button rdc321x_gpio_btn[] = {
|
|
{
|
|
.gpio = 6,
|
|
.code = BTN_0,
|
|
.desc = "Reset",
|
|
.active_low = 1,
|
|
}
|
|
};
|
|
|
|
static struct gpio_buttons_platform_data rdc321x_gpio_btn_data = {
|
|
.buttons = rdc321x_gpio_btn,
|
|
.nbuttons = ARRAY_SIZE(rdc321x_gpio_btn),
|
|
};
|
|
|
|
static struct platform_device rdc321x_button = {
|
|
.name = "gpio-buttons",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &rdc321x_gpio_btn_data,
|
|
}
|
|
};
|
|
|
|
static struct platform_device *rdc321x_devs[] = {
|
|
&rdc_flash_device,
|
|
&rdc321x_leds,
|
|
&rdc321x_button,
|
|
};
|
|
|
|
static int probe_flash_start(struct map_info *the_map)
|
|
{
|
|
struct mtd_info *res;
|
|
|
|
the_map->virt = ioremap(the_map->phys, the_map->size);
|
|
if (the_map->virt == NULL)
|
|
return 1;
|
|
for (the_map->bankwidth = 32; the_map->bankwidth; the_map->bankwidth
|
|
>>= 1) {
|
|
res = do_map_probe("cfi_probe", the_map);
|
|
if (res == NULL)
|
|
res = do_map_probe("jedec_probe", the_map);
|
|
if (res != NULL)
|
|
break;
|
|
}
|
|
iounmap(the_map->virt);
|
|
if (res != NULL)
|
|
the_map->phys = (u32)-(s32)(the_map->size = res->size);
|
|
return res == NULL;
|
|
}
|
|
|
|
static int __init rdc_board_setup(void)
|
|
{
|
|
#ifndef CONFIG_MTD_RDC3210
|
|
struct map_info rdc_map_info;
|
|
u32 the_header[8];
|
|
|
|
ROOT_DEV = 0;
|
|
rdc_map_info.name = rdc_flash_device.name;
|
|
rdc_map_info.size = 0x800000; //8MB
|
|
rdc_map_info.phys = (u32) -rdc_map_info.size;
|
|
rdc_map_info.bankwidth = 2;
|
|
rdc_map_info.set_vpp = NULL;
|
|
simple_map_init(&rdc_map_info);
|
|
while (probe_flash_start(&rdc_map_info)) {
|
|
if (rdc_map_info.size /= 2 < 0x100000) //1MB
|
|
panic("Could not find start of flash!");
|
|
rdc_map_info.phys = (u32) -rdc_map_info.size;
|
|
}
|
|
rdc_flash_resource.start = rdc_map_info.phys;
|
|
rdc_flash_data.width = rdc_map_info.bankwidth;
|
|
rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys, 0x10);
|
|
if (rdc_map_info.virt == NULL)
|
|
panic("Could not ioremap to read device magic!");
|
|
the_header[0] = ((u32 *)rdc_map_info.virt)[0];
|
|
the_header[1] = ((u32 *)rdc_map_info.virt)[1];
|
|
the_header[2] = ((u32 *)rdc_map_info.virt)[2];
|
|
the_header[3] = ((u32 *)rdc_map_info.virt)[3];
|
|
iounmap(rdc_map_info.virt);
|
|
rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys + 0x8000, 0x10);
|
|
if (rdc_map_info.virt == NULL)
|
|
panic("Could not ioremap to read device magic!");
|
|
the_header[4] = ((u32 *)rdc_map_info.virt)[0];
|
|
the_header[5] = ((u32 *)rdc_map_info.virt)[1];
|
|
the_header[6] = ((u32 *)rdc_map_info.virt)[2];
|
|
the_header[7] = ((u32 *)rdc_map_info.virt)[3];
|
|
iounmap(rdc_map_info.virt);
|
|
if (!memcmp(the_header, "GMTK", 4)) { /* Gemtek */
|
|
/* TODO */
|
|
} else if (!memcmp(the_header + 4, "CSYS", 4)) { /* Sitecom */
|
|
rdc_flash_parts[0].name = "system";
|
|
rdc_flash_parts[0].offset = 0;
|
|
rdc_flash_parts[0].size = rdc_map_info.size - 0x10000;
|
|
rdc_flash_parts[1].name = "config";
|
|
rdc_flash_parts[1].offset = 0;
|
|
rdc_flash_parts[1].size = 0x8000;
|
|
rdc_flash_parts[2].name = "magic";
|
|
rdc_flash_parts[2].offset = 0x8000;
|
|
rdc_flash_parts[2].size = 0x14;
|
|
rdc_flash_parts[3].name = "kernel";
|
|
rdc_flash_parts[3].offset = 0x8014;
|
|
rdc_flash_parts[3].size = the_header[5];
|
|
rdc_flash_parts[4].name = "rootfs";
|
|
rdc_flash_parts[4].offset = 0x8014 + the_header[5];
|
|
rdc_flash_parts[4].size = rdc_flash_parts[0].size - rdc_flash_parts[4].offset;
|
|
rdc_flash_parts[5].name = "bootloader";
|
|
rdc_flash_parts[5].offset = rdc_flash_parts[0].size;
|
|
rdc_flash_parts[5].size = 0x10000;
|
|
rdc_flash_data.nr_parts = 6;
|
|
|
|
rdc321x_led_data.num_leds = ARRAY_SIZE(sitecom_leds);
|
|
rdc321x_led_data.leds = sitecom_leds;
|
|
} else if (!memcmp(((u8 *)the_header) + 14, "Li", 2)) { /* AMIT */
|
|
rdc_flash_parts[0].name = "kernel_parthdr";
|
|
rdc_flash_parts[0].offset = 0;
|
|
rdc_flash_parts[0].size = 0x10;
|
|
rdc_flash_parts[1].name = "kernel";
|
|
rdc_flash_parts[1].offset = 0x10;
|
|
rdc_flash_parts[1].size = 0xffff0;
|
|
rdc_flash_parts[2].name = "rootfs_parthdr";
|
|
rdc_flash_parts[2].offset = 0x100000;
|
|
rdc_flash_parts[2].size = 0x10;
|
|
rdc_flash_parts[3].name = "rootfs";
|
|
rdc_flash_parts[3].offset = 0x100010;
|
|
rdc_flash_parts[3].size = rdc_map_info.size - 0x160010;
|
|
rdc_flash_parts[4].name = "config_parthdr";
|
|
rdc_flash_parts[4].offset = rdc_map_info.size - 0x60000;
|
|
rdc_flash_parts[4].size = 0x10;
|
|
rdc_flash_parts[5].name = "config";
|
|
rdc_flash_parts[5].offset = rdc_map_info.size - 0x5fff0;
|
|
rdc_flash_parts[5].size = 0xfff0;
|
|
rdc_flash_parts[6].name = "recoveryfs_parthdr";
|
|
rdc_flash_parts[6].offset = rdc_map_info.size - 0x50000;
|
|
rdc_flash_parts[6].size = 0x10;
|
|
rdc_flash_parts[7].name = "recoveryfs";
|
|
rdc_flash_parts[7].offset = rdc_map_info.size - 0x4fff0;
|
|
rdc_flash_parts[7].size = 0x3fff0;
|
|
rdc_flash_parts[8].name = "recovery_parthdr";
|
|
rdc_flash_parts[8].offset = rdc_map_info.size - 0x10000;
|
|
rdc_flash_parts[8].size = 0x10;
|
|
rdc_flash_parts[9].name = "recovery";
|
|
rdc_flash_parts[9].offset = rdc_map_info.size - 0xfff0;
|
|
rdc_flash_parts[9].size = 0x7ff0;
|
|
rdc_flash_parts[10].name = "productinfo_parthdr";
|
|
rdc_flash_parts[10].offset = rdc_map_info.size - 0x8000;
|
|
rdc_flash_parts[10].size = 0x10;
|
|
rdc_flash_parts[11].name = "productinfo";
|
|
rdc_flash_parts[11].offset = rdc_map_info.size - 0x7ff0;
|
|
rdc_flash_parts[11].size = 0x1ff0;
|
|
rdc_flash_parts[12].name = "bootloader_parthdr";
|
|
rdc_flash_parts[12].offset = rdc_map_info.size - 0x6000;
|
|
rdc_flash_parts[12].size = 0x10;
|
|
rdc_flash_parts[13].name = "bootloader";
|
|
rdc_flash_parts[13].offset = rdc_map_info.size - 0x5ff0;
|
|
rdc_flash_parts[13].size = 0x5ff0;
|
|
rdc_flash_parts[14].name = "everything";
|
|
rdc_flash_parts[14].offset = 0;
|
|
rdc_flash_parts[14].size = rdc_map_info.size;
|
|
rdc_flash_data.nr_parts = 15;
|
|
} else { /* ZyXEL */
|
|
rdc_flash_parts[0].name = "kernel";
|
|
rdc_flash_parts[0].offset = 0;
|
|
rdc_flash_parts[0].size = 0x100000;
|
|
rdc_flash_parts[1].name = "rootfs";
|
|
rdc_flash_parts[1].offset = 0x100000;
|
|
rdc_flash_parts[1].size = rdc_map_info.size - 0x140000;
|
|
rdc_flash_parts[2].name = "linux";
|
|
rdc_flash_parts[2].offset = 0;
|
|
rdc_flash_parts[2].size = rdc_map_info.size - 0x40000;
|
|
rdc_flash_parts[3].name = "config";
|
|
rdc_flash_parts[3].offset = rdc_map_info.size - 0x40000;
|
|
rdc_flash_parts[3].size = 0x10000;
|
|
rdc_flash_parts[4].name = "productinfo";
|
|
rdc_flash_parts[4].offset = rdc_map_info.size - 0x30000;
|
|
rdc_flash_parts[4].size = 0x10000;
|
|
rdc_flash_parts[5].name = "bootloader";
|
|
rdc_flash_parts[5].offset = rdc_map_info.size - 0x20000;
|
|
rdc_flash_parts[5].size = 0x20000;
|
|
rdc_flash_data.nr_parts = 6;
|
|
}
|
|
#endif
|
|
return platform_add_devices(rdc321x_devs, ARRAY_SIZE(rdc321x_devs));
|
|
}
|
|
|
|
#ifdef CONFIG_MTD_RDC3210
|
|
arch_initcall(rdc_board_setup);
|
|
#else
|
|
late_initcall(rdc_board_setup);
|
|
#endif
|