From 2c5ae4070b8e0b9cc15ea83a8ad86c7d6f21b289 Mon Sep 17 00:00:00 2001 From: blogic Date: Sun, 22 Jun 2008 20:40:36 +0000 Subject: move files, rename defines for ifxmips git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11565 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../linux/ifxmips/files/arch/mips/ifxmips/Kconfig | 4 - .../linux/ifxmips/files/arch/mips/ifxmips/Makefile | 2 +- .../linux/ifxmips/files/arch/mips/ifxmips/gpio.c | 407 +++++++++++++++++++++ .../linux/ifxmips/files/arch/mips/ifxmips/reset.c | 26 +- .../ifxmips/files/drivers/char/ifxmips_gpio.c | 407 --------------------- .../ifxmips/files/drivers/char/ifxmips_mei_core.c | 22 +- 6 files changed, 432 insertions(+), 436 deletions(-) create mode 100644 target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c delete mode 100644 target/linux/ifxmips/files/drivers/char/ifxmips_gpio.c (limited to 'target/linux/ifxmips/files') diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig b/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig index aadbd5cf9..f01fcd362 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/Kconfig @@ -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 diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/Makefile b/target/linux/ifxmips/files/arch/mips/ifxmips/Makefile index d9c8e6ad7..b221c37d6 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/Makefile +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/Makefile @@ -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 diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c new file mode 100644 index 000000000..8beb0b820 --- /dev/null +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c @@ -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 + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#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); diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c b/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c index 4953c60c8..1b2aef327 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c @@ -32,33 +32,33 @@ #include 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; diff --git a/target/linux/ifxmips/files/drivers/char/ifxmips_gpio.c b/target/linux/ifxmips/files/drivers/char/ifxmips_gpio.c deleted file mode 100644 index 8beb0b820..000000000 --- a/target/linux/ifxmips/files/drivers/char/ifxmips_gpio.c +++ /dev/null @@ -1,407 +0,0 @@ -/* - * 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 - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#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); diff --git a/target/linux/ifxmips/files/drivers/char/ifxmips_mei_core.c b/target/linux/ifxmips/files/drivers/char/ifxmips_mei_core.c index 91e17a933..e8787c571 100644 --- a/target/linux/ifxmips/files/drivers/char/ifxmips_mei_core.c +++ b/target/linux/ifxmips/files/drivers/char/ifxmips_mei_core.c @@ -725,9 +725,9 @@ mei_fuse_prg (void) { u32 reg_data, fuse_value; int i = 0; - meiLongwordRead ( IFXMIPS_RCU_REQ, ®_data); + meiLongwordRead ( IFXMIPS_RCU_RST, ®_data); while ((reg_data & 0x10000000) == 0) { - meiLongwordRead ( IFXMIPS_RCU_REQ, ®_data); + meiLongwordRead ( IFXMIPS_RCU_RST, ®_data); //add a watchdog i++; /* 0x4000 translate to about 16 ms@111M, so should be enough */ @@ -736,8 +736,8 @@ mei_fuse_prg (void) } // STEP a: Prepare memory for external accesses // Write fuse_en bit24 - meiLongwordRead (IFXMIPS_RCU_REQ, ®_data); - meiLongwordWrite (IFXMIPS_RCU_REQ, reg_data | (1 << 24)); + meiLongwordRead (IFXMIPS_RCU_RST, ®_data); + meiLongwordWrite (IFXMIPS_RCU_RST, reg_data | (1 << 24)); mei_fuse_rar_init (); for (i = 0; i < 4; i++) { @@ -795,8 +795,8 @@ mei_fuse_prg (void) break; } } - meiLongwordRead (IFXMIPS_RCU_REQ, ®_data); - meiLongwordWrite (IFXMIPS_RCU_REQ, reg_data & 0xF7FFFFFF); + meiLongwordRead (IFXMIPS_RCU_RST, ®_data); + meiLongwordWrite (IFXMIPS_RCU_RST, reg_data & 0xF7FFFFFF); } /** @@ -912,11 +912,11 @@ meiResetARC (void) meiHaltArc (); - meiLongwordRead (IFXMIPS_RCU_REQ, &arc_debug_data); - meiLongwordWrite (IFXMIPS_RCU_REQ, + meiLongwordRead (IFXMIPS_RCU_RST, &arc_debug_data); + meiLongwordWrite (IFXMIPS_RCU_RST, arc_debug_data | IFXMIPS_RCU_RST_REQ_DFE | IFXMIPS_RCU_RST_REQ_AFE); - meiLongwordWrite (IFXMIPS_RCU_REQ, arc_debug_data); + meiLongwordWrite (IFXMIPS_RCU_RST, arc_debug_data); // reset ARC meiLongwordWrite(MEI_RST_CONTROL, MEI_SOFT_RESET); meiLongwordWrite(MEI_RST_CONTROL, 0); @@ -2769,8 +2769,8 @@ mei_ioctl (MEI_inode_t * ino, MEI_file_t * fil, unsigned int command, *IFXMIPS_GPIO_P0_OD = (*IFXMIPS_GPIO_P0_OD) | 0x800; //enable ARC JTAG - meiLongwordRead(IFXMIPS_RCU_REQ, ®_data); - meiLongwordWrite(IFXMIPS_RCU_REQ, reg_data | IFXMIPS_RCU_RST_REQ_ARC_JTAG); + meiLongwordRead(IFXMIPS_RCU_RST, ®_data); + meiLongwordWrite(IFXMIPS_RCU_RST, reg_data | IFXMIPS_RCU_RST_REQ_ARC_JTAG); break; case GET_ADSL_LOOP_DIAGNOSTICS_MODE: -- cgit v1.2.3