qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2025-04-21 12:27:27 +03:00
Code Activity

move files, rename defines for ifxmips

Browse Source 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11565 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic
2008-06-22 20:40:36 +00:00
parent fc052689d0
commit 2c5ae4070b
6 changed files with 77 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig
View File

@@ -20,10 +20,6 @@ config IFXMIPS_LED
bool "IFXMips led"
default y
config IFXMIPS_GPIO
bool "IFXMips gpio"
default y
config IFXMIPS_SSC
bool "IFXMips ssc"
default y

2
target/linux/ifxmips/files/arch/mips/ifxmips/Makefile
View File

@@ -1 +1 @@
obj-y := reset.o prom.o setup.o interrupt.o dma-core.o pmu.o board.o cgu.o gptu.o
obj-y := reset.o prom.o setup.o interrupt.o dma-core.o pmu.o board.o cgu.o gptu.o gpio.o

407
target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c Normal file
View File

@@ -0,0 +1,407 @@
/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2005 infineon
* Copyright (C) 2007 John Crispin <blogic@openwrt.org>
*
*/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/ioctl.h>
#include <linux/timer.h>
#include <linux/module.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/kobject.h>
#include <linux/workqueue.h>
#include <linux/skbuff.h>
#include <linux/netlink.h>
#include <linux/platform_device.h>
#include <net/sock.h>
#include <asm/uaccess.h>
#include <asm/semaphore.h>
#include <asm/uaccess.h>
#include <asm/ifxmips/ifxmips.h>
#include <asm/ifxmips/ifxmips_ioctl.h>
#define MAX_PORTS 2
#define PINS_PER_PORT 16
#define DRVNAME "ifxmips_gpio"
static unsigned int ifxmips_gpio_major = 0;
#ifdef CONFIG_IFXMIPS_GPIO_RST_BTN
#define IFXMIPS_RST_PIN 15
#define IFXMIPS_RST_PORT 1
static struct timer_list rst_button_timer;
extern struct sock *uevent_sock;
extern u64 uevent_next_seqnum(void);
static unsigned long seen;
static int pressed = 0;
struct event_t {
struct work_struct wq;
int set;
unsigned long jiffies;
};
#endif
/* TODO do we need this ? */
static struct semaphore port_sem;
/* TODO do we really need this ? return in a define is forbidden by coding style */
#define IFXMIPS_GPIO_SANITY {if (port > MAX_PORTS || pin > PINS_PER_PORT) return -EINVAL; }
int
ifxmips_port_reserve_pin (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
printk("%s : call to obseleted function\n", __func__);
return 0;
}
EXPORT_SYMBOL(ifxmips_port_reserve_pin);
int
ifxmips_port_free_pin (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
printk("%s : call to obseleted function\n", __func__);
return 0;
}
EXPORT_SYMBOL(ifxmips_port_free_pin);
int
ifxmips_port_set_open_drain (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_OD + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_set_open_drain);
int
ifxmips_port_clear_open_drain (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_OD + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_clear_open_drain);
int
ifxmips_port_set_pudsel (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_set_pudsel);
int
ifxmips_port_clear_pudsel (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_clear_pudsel);
int
ifxmips_port_set_puden (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_PUDEN + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_set_puden);
int
ifxmips_port_clear_puden (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_PUDEN + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_clear_puden);
int
ifxmips_port_set_stoff (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_STOFF + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_set_stoff);
int
ifxmips_port_clear_stoff (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_STOFF + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_clear_stoff);
int
ifxmips_port_set_dir_out (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_DIR + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_set_dir_out);
int
ifxmips_port_set_dir_in (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_DIR + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_set_dir_in);
int
ifxmips_port_set_output (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_OUT + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_set_output);
int
ifxmips_port_clear_output (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_OUT + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_clear_output);
int
ifxmips_port_get_input (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
if (ifxmips_r32(IFXMIPS_GPIO_P0_IN + (port * 0xC)) & (1 << pin))
return 0;
else
return 1;
}
EXPORT_SYMBOL(ifxmips_port_get_input);
int
ifxmips_port_set_altsel0 (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_set_altsel0);
int
ifxmips_port_clear_altsel0 (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_clear_altsel0);
int
ifxmips_port_set_altsel1 (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_set_altsel1);
int
ifxmips_port_clear_altsel1 (unsigned int port, unsigned int pin)
{
IFXMIPS_GPIO_SANITY;
ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC));
return 0;
}
EXPORT_SYMBOL(ifxmips_port_clear_altsel1);
#ifdef CONFIG_IFXMIPS_GPIO_RST_BTN
static inline void add_msg(struct sk_buff *skb, char *msg)
{
char *scratch;
scratch = skb_put(skb, strlen(msg) + 1);
sprintf(scratch, msg);
}
static void hotplug_button(struct work_struct *wq)
{
struct sk_buff *skb;
struct event_t *event;
size_t len;
char *scratch, *s;
char buf[128];
event = container_of(wq, struct event_t, wq);
if (!uevent_sock)
goto done;
/* allocate message with the maximum possible size */
s = event->set ? "pressed" : "released";
len = strlen(s) + 2;
skb = alloc_skb(len + 2048, GFP_KERNEL);
if (!skb)
goto done;
/* add header */
scratch = skb_put(skb, len);
sprintf(scratch, "%s@",s);
/* copy keys to our continuous event payload buffer */
add_msg(skb, "HOME=/");
add_msg(skb, "PATH=/sbin:/bin:/usr/sbin:/usr/bin");
add_msg(skb, "SUBSYSTEM=button");
add_msg(skb, "BUTTON=reset");
add_msg(skb, (event->set ? "ACTION=pressed" : "ACTION=released"));
sprintf(buf, "SEEN=%ld", (event->jiffies - seen)/HZ);
add_msg(skb, buf);
snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
add_msg(skb, buf);
NETLINK_CB(skb).dst_group = 1;
netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL);
done:
kfree(event);
}
static void reset_button_poll(unsigned long unused)
{
struct event_t *event;
rst_button_timer.expires = jiffies + HZ;
add_timer(&rst_button_timer);
if (pressed != ifxmips_port_get_input(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN))
{
if(pressed)
pressed = 0;
else
pressed = 1;
printk("button was %s\n", (pressed ? "pressed" : "released"));
event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC);
if (!event)
{
printk("Could not alloc hotplug event\n");
return;
}
event->set = pressed;
event->jiffies = jiffies;
INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
schedule_work(&event->wq);
seen = jiffies;
}
}
#endif
static int
ifxmips_gpio_probe (struct platform_device *dev)
{
int retval = 0;
sema_init (&port_sem, 1);
#ifdef CONFIG_IFXMIPS_GPIO_RST_BTN
ifxmips_port_set_open_drain(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN);
ifxmips_port_clear_altsel0(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN);
ifxmips_port_clear_altsel1(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN);
ifxmips_port_set_dir_in(IFXMIPS_RST_PORT, IFXMIPS_RST_PIN);
seen = jiffies;
init_timer(&rst_button_timer);
rst_button_timer.function = reset_button_poll;
rst_button_timer.expires = jiffies + HZ;
add_timer(&rst_button_timer);
#endif
printk(KERN_INFO DRVNAME ": device successfully initialized #%d.\n", ifxmips_gpio_major);
return retval;
}
static int
ifxmips_gpio_remove (struct platform_device *pdev)
{
#ifdef CONFIG_IFXMIPS_GPIO_RST_BTN
del_timer_sync(&rst_button_timer);
#endif
unregister_chrdev(ifxmips_gpio_major, DRVNAME);
return 0;
}
static struct
platform_driver ifxmips_gpio_driver = {
.probe = ifxmips_gpio_probe,
.remove = ifxmips_gpio_remove,
.driver = {
.name = DRVNAME,
.owner = THIS_MODULE,
},
};
int __init
ifxmips_gpio_init (void)
{
int ret = platform_driver_register(&ifxmips_gpio_driver);
if (ret)
printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
return ret;
}
void __exit
ifxmips_gpio_exit (void)
{
platform_driver_unregister(&ifxmips_gpio_driver);
}
module_init(ifxmips_gpio_init);
module_exit(ifxmips_gpio_exit);

26
target/linux/ifxmips/files/arch/mips/ifxmips/reset.c
View File

@@ -32,33 +32,33 @@
#include <asm/ifxmips/ifxmips.h>
static void
ifxmips_machine_restart (char *command)
ifxmips_machine_restart(char *command)
{
printk (KERN_NOTICE "System restart\n");
local_irq_disable ();
printk(KERN_NOTICE "System restart\n");
local_irq_disable();
ifxmips_w32(ifxmips_r32(IFXMIPS_RCU_REQ) | IFXMIPS_RST_ALL, IFXMIPS_RCU_REQ);
for (;;);
ifxmips_w32(ifxmips_r32(IFXMIPS_RCU_RST) | IFXMIPS_RCU_RST_ALL, IFXMIPS_RCU_RST);
for(;;);
}
static void
ifxmips_machine_halt (void)
ifxmips_machine_halt(void)
{
printk (KERN_NOTICE "System halted.\n");
local_irq_disable ();
for (;;);
printk(KERN_NOTICE "System halted.\n");
local_irq_disable();
for(;;);
}
static void
ifxmips_machine_power_off (void)
ifxmips_machine_power_off(void)
{
printk (KERN_NOTICE "Please turn off the power now.\n");
local_irq_disable ();
for (;;);
local_irq_disable();
for(;;);
}
void
ifxmips_reboot_setup (void)
ifxmips_reboot_setup(void)
{
_machine_restart = ifxmips_machine_restart;
_machine_halt = ifxmips_machine_halt;