dumalogiya
/
openwrt
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

forward port r18254 to 2.6.30

Browse Source 
SVN-Revision: 18276
v19.07.3_mercusys_ac12_duma
Florian Fainelli 15 years ago
parent 1b491bcfbb
commit dca8af905f
6 changed files with 551 additions and 0 deletions
Show Stats Download Patch File Download Diff File

59
target/linux/rdc/files-2.6.30/arch/x86/include/asm/mach-rdc321x/gpio.h
Unescape Escape View File

@ -0,0 +1,59 @@
#ifndef _ASM_X86_MACH_RDC321X_GPIO_H
#define _ASM_X86_MACH_RDC321X_GPIO_H
#include <linux/kernel.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);
extern int rdc_gpio_request(unsigned gpio, const char *label);
extern void rdc_gpio_free(unsigned gpio);
/* Wrappers for the arch-neutral GPIO API */
static inline int gpio_request(unsigned gpio, const char *label)
{
return rdc_gpio_request(gpio, label);
}
static inline void gpio_free(unsigned gpio)
{
might_sleep();
rdc_gpio_free(gpio);
}
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 /* _ASM_X86_MACH_RDC321X_GPIO_H */

12
target/linux/rdc/files-2.6.30/arch/x86/include/asm/mach-rdc321x/rdc321x_defs.h
Unescape Escape View File

@ -0,0 +1,12 @@
#define PFX "rdc321x: "
/* General purpose configuration and data registers */
#define RDC3210_CFGREG_ADDR 0x0CF8
#define RDC3210_CFGREG_DATA 0x0CFC
#define RDC321X_GPIO_CTRL_REG1 0x48
#define RDC321X_GPIO_CTRL_REG2 0x84
#define RDC321X_GPIO_DATA_REG1 0x4c
#define RDC321X_GPIO_DATA_REG2 0x88
#define RDC321X_MAX_GPIO 58

5
target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/Makefile
Unescape Escape View File

@ -0,0 +1,5 @@
#
# Makefile for the RDC321x specific parts of the kernel
#
obj-$(CONFIG_X86_RDC321X) := gpio.o platform.o

198
target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/gpio.c
Unescape Escape View File

@ -0,0 +1,198 @@
/*
* GPIO support for RDC SoC R3210/R8610
*
* Copyright (C) 2007, Florian Fainelli <florian@openwrt.org>
* Copyright (C) 2008, Volker Weiss <dev@tintuc.de>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <linux/spinlock.h>
#include <linux/io.h>
#include <linux/types.h>
#include <linux/module.h>
#include <asm/mach-rdc321x/gpio.h>
#include <asm/mach-rdc321x/rdc321x_defs.h>
/* spin lock to protect our private copy of GPIO data register plus
the access to PCI conf registers. */
static DEFINE_SPINLOCK(gpio_lock);
/* copy of GPIO data registers */
static u32 gpio_data_reg1;
static u32 gpio_data_reg2;
static u32 gpio_request_data[2];
static inline void rdc321x_conf_write(unsigned addr, u32 value)
{
outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR);
outl(value, RDC3210_CFGREG_DATA);
}
static inline void rdc321x_conf_or(unsigned addr, u32 value)
{
outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR);
value |= inl(RDC3210_CFGREG_DATA);
outl(value, RDC3210_CFGREG_DATA);
}
static inline u32 rdc321x_conf_read(unsigned addr)
{
outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR);
return inl(RDC3210_CFGREG_DATA);
}
/* configure pin as GPIO */
static void rdc321x_configure_gpio(unsigned gpio)
{
unsigned long flags;
spin_lock_irqsave(&gpio_lock, flags);
rdc321x_conf_or(gpio < 32
? RDC321X_GPIO_CTRL_REG1 : RDC321X_GPIO_CTRL_REG2,
1 << (gpio & 0x1f));
spin_unlock_irqrestore(&gpio_lock, flags);
}
/* initially setup the 2 copies of the gpio data registers.
This function is called before the platform setup code. */
static int __init rdc321x_gpio_setup(void)
{
/* this might not be, what others (BIOS, bootloader, etc.)
wrote to these registers before, but it's a good guess. Still
better than just using 0xffffffff. */
gpio_data_reg1 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG1);
gpio_data_reg2 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG2);
return 0;
}
/* determine, if gpio number is valid */
static inline int rdc321x_is_gpio(unsigned gpio)
{
return gpio <= RDC321X_MAX_GPIO;
}
/* request GPIO */
int rdc_gpio_request(unsigned gpio, const char *label)
{
unsigned long flags;
if (!rdc321x_is_gpio(gpio))
return -EINVAL;
spin_lock_irqsave(&gpio_lock, flags);
if (gpio_request_data[(gpio & 0x20) ? 1 : 0] & (1 << (gpio & 0x1f)))
goto inuse;
gpio_request_data[(gpio & 0x20) ? 1 : 0] |= (1 << (gpio & 0x1f));
spin_unlock_irqrestore(&gpio_lock, flags);
return 0;
inuse:
spin_unlock_irqrestore(&gpio_lock, flags);
return -EINVAL;
}
EXPORT_SYMBOL(rdc_gpio_request);
/* release previously-claimed GPIO */
void rdc_gpio_free(unsigned gpio)
{
unsigned long flags;
if (!rdc321x_is_gpio(gpio))
return;
spin_lock_irqsave(&gpio_lock, flags);
gpio_request_data[(gpio & 0x20) ? 1 : 0] &= ~(1 << (gpio & 0x1f));
spin_unlock_irqrestore(&gpio_lock, flags);
}
EXPORT_SYMBOL(rdc_gpio_free);
/* read GPIO pin */
int rdc_gpio_get_value(unsigned gpio)
{
u32 reg;
unsigned long flags;
spin_lock_irqsave(&gpio_lock, flags);
reg = rdc321x_conf_read(gpio < 32
? RDC321X_GPIO_DATA_REG1 : RDC321X_GPIO_DATA_REG2);
spin_unlock_irqrestore(&gpio_lock, flags);
return (1 << (gpio & 0x1f)) & reg ? 1 : 0;
}
EXPORT_SYMBOL(rdc_gpio_get_value);
/* set GPIO pin to value */
void rdc_gpio_set_value(unsigned gpio, int value)
{
unsigned long flags;
u32 reg;
reg = 1 << (gpio & 0x1f);
if (gpio < 32) {
spin_lock_irqsave(&gpio_lock, flags);
if (value)
gpio_data_reg1 |= reg;
else
gpio_data_reg1 &= ~reg;
rdc321x_conf_write(RDC321X_GPIO_DATA_REG1, gpio_data_reg1);
spin_unlock_irqrestore(&gpio_lock, flags);
} else {
spin_lock_irqsave(&gpio_lock, flags);
if (value)
gpio_data_reg2 |= reg;
else
gpio_data_reg2 &= ~reg;
rdc321x_conf_write(RDC321X_GPIO_DATA_REG2, gpio_data_reg2);
spin_unlock_irqrestore(&gpio_lock, flags);
}
}
EXPORT_SYMBOL(rdc_gpio_set_value);
/* configure GPIO pin as input */
int rdc_gpio_direction_input(unsigned gpio)
{
if (!rdc321x_is_gpio(gpio))
return -EINVAL;
rdc321x_configure_gpio(gpio);
return 0;
}
EXPORT_SYMBOL(rdc_gpio_direction_input);
/* configure GPIO pin as output and set value */
int rdc_gpio_direction_output(unsigned gpio, int value)
{
if (!rdc321x_is_gpio(gpio))
return -EINVAL;
gpio_set_value(gpio, value);
rdc321x_configure_gpio(gpio);
return 0;
}
EXPORT_SYMBOL(rdc_gpio_direction_output);
arch_initcall(rdc321x_gpio_setup);

264
target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/platform.c
Unescape Escape View File

@ -0,0 +1,264 @@
/*
* Generic RDC321x platform devices
*
* Copyright (C) 2007-2008 OpenWrt.org
* Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
* Copyright (C) 2008 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_keys.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>
#include <asm/mach-rdc321x/gpio.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, },
};
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,
}
};
/* Watchdog */
static struct platform_device rdc321x_wdt = {
.name = "rdc321x-wdt",
.id = -1,
.num_resources = 0,
};
/* Button */
static struct gpio_keys_button rdc321x_gpio_btn[] = {
{
.gpio = 0,
.code = BTN_0,
.desc = "Reset",
.active_low = 1,
}
};
static struct gpio_keys_platform_data rdc321x_gpio_btn_data = {
.buttons = rdc321x_gpio_btn,
.nbuttons = ARRAY_SIZE(rdc321x_gpio_btn),
};
static struct platform_device rdc321x_button = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &rdc321x_gpio_btn_data,
}
};
static struct platform_device *rdc321x_devs[] = {
&rdc_flash_device,
&rdc321x_leds,
&rdc321x_wdt,
&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[4];
ROOT_DEV = 0;
rdc_map_info.name = rdc_flash_device.name;
rdc_map_info.phys = 0xff000000;
rdc_map_info.size = 0x1000000;
rdc_map_info.bankwidth = 2;
rdc_map_info.set_vpp = NULL;
simple_map_init(&rdc_map_info);
while (probe_flash_start(&rdc_map_info)) {
rdc_map_info.phys++;
if (--rdc_map_info.size)
panic("Could not find start of flash!");
}
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);
if (!memcmp(the_header, "GMTK", 4)) { /* Gemtek */
/* TODO */
} else if (!memcmp(the_header, "CSYS", 4)) { /* Sitecom */
/* TODO */
} 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

13
target/linux/rdc/patches-2.6.30/002-platform_support.patch
Unescape Escape View File

@ -0,0 +1,13 @@
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -124,6 +124,10 @@ core-y += $(fcore-y)
# Xen paravirtualization support
core-$(CONFIG_XEN) += arch/x86/xen/
+# RDC R-321X support
+cflags-$(CONFIG_X86_RDC321X) := -Iarch/x86/include/asm/mach-rdc321x
+core-$(CONFIG_X86_RDC321X) += arch/x86/mach-rdc321x/
+
# lguest paravirtualization support
core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/
Write Preview
Loading…
Cancel
Save