diff options
Diffstat (limited to 'target/linux/at91/patches-2.6.25')
| -rw-r--r-- | target/linux/at91/patches-2.6.25/002-led-driver.patch | 171 | ||||
| -rw-r--r-- | target/linux/at91/patches-2.6.25/003-gpio-driver.patch | 552 |
2 files changed, 723 insertions, 0 deletions
diff --git a/target/linux/at91/patches-2.6.25/002-led-driver.patch b/target/linux/at91/patches-2.6.25/002-led-driver.patch new file mode 100644 index 0000000..8c08c89 --- /dev/null +++ b/target/linux/at91/patches-2.6.25/002-led-driver.patch @@ -0,0 +1,171 @@ +diff -urN linux-2.6.25.10.old/arch/arm/mach-at91/at91rm9200_devices.c linux-2.6.25.10/arch/arm/mach-at91/at91rm9200_devices.c +--- linux-2.6.25.10.old/arch/arm/mach-at91/at91rm9200_devices.c 2008-07-06 09:01:53.000000000 +0200 ++++ linux-2.6.25.10/arch/arm/mach-at91/at91rm9200_devices.c 2008-07-06 09:47:54.000000000 +0200 +@@ -717,6 +717,26 @@ + static void __init at91_add_device_watchdog(void) {} + #endif + ++/* -------------------------------------------------------------------- ++ * LEDs ++ * -------------------------------------------------------------------- */ ++ ++#if defined(CONFIG_LEDS) ++u8 at91_leds_cpu; ++u8 at91_leds_timer; ++ ++void __init at91_init_leds(u8 cpu_led, u8 timer_led) ++{ ++ /* Enable GPIO to access the LEDs */ ++ at91_set_gpio_output(cpu_led, 1); ++ at91_set_gpio_output(timer_led, 1); ++ ++ at91_leds_cpu = cpu_led; ++ at91_leds_timer = timer_led; ++} ++#else ++void __init at91_init_leds(u8 cpu_led, u8 timer_led) {} ++#endif + + /* -------------------------------------------------------------------- + * SSC -- Synchronous Serial Controller +diff -urN linux-2.6.25.10.old/arch/arm/mach-at91/Makefile linux-2.6.25.10/arch/arm/mach-at91/Makefile +--- linux-2.6.25.10.old/arch/arm/mach-at91/Makefile 2008-07-06 09:01:54.000000000 +0200 ++++ linux-2.6.25.10/arch/arm/mach-at91/Makefile 2008-07-06 09:45:08.000000000 +0200 +@@ -60,7 +60,12 @@ + obj-$(CONFIG_MACH_AT91EB01) += board-eb01.o + + # Drivers +-obj-y += leds.o ++ifeq ($(CONFIG_MACH_VLINK),y) ++led-$(CONFIG_MACH_VLINK) += vlink_leds.o ++else ++led-y += leds.o ++endif ++obj-y += $(led-y) + obj-$(CONFIG_FB_S1D13XXX) += ics1523.o + + # Power Management +diff -urN linux-2.6.25.10.old/arch/arm/mach-at91/vlink_leds.c linux-2.6.25.10/arch/arm/mach-at91/vlink_leds.c +--- linux-2.6.25.10.old/arch/arm/mach-at91/vlink_leds.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.25.10/arch/arm/mach-at91/vlink_leds.c 2008-07-06 09:40:37.000000000 +0200 +@@ -0,0 +1,105 @@ ++/* ++ * LED driver for Atmel AT91-based boards. ++ * ++ * Copyright (C) SAN People (Pty) Ltd ++ * Modified for FDL VersaLink Copyright (C) Guthrie Consulting ++ * ++ * 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/kernel.h> ++#include <linux/module.h> ++#include <linux/init.h> ++ ++#include <asm/mach-types.h> ++#include <asm/leds.h> ++#include <asm/arch/board.h> ++#include <asm/arch/gpio.h> ++ ++ ++static inline void at91_led_on(unsigned int led) ++{ ++ at91_set_gpio_value(led, 0); ++} ++ ++static inline void at91_led_off(unsigned int led) ++{ ++ at91_set_gpio_value(led, 1); ++} ++ ++static inline void at91_led_toggle(unsigned int led) ++{ ++ unsigned long is_off = at91_get_gpio_value(led); ++ if (is_off) { ++ at91_led_on(led); ++ at91_led_off(at91_leds_cpu); ++ } ++ else { ++ at91_led_on(at91_leds_cpu); ++ at91_led_off(led); ++ } ++} ++ ++ ++/* ++ * Handle LED events. ++ */ ++ ++/* ++ * VersaLink has a single bi-coloured LED which changes colour when the ++ * polarity is reversed ++ */ ++static void at91_leds_event(led_event_t evt) ++{ ++ unsigned long flags; ++ ++ local_irq_save(flags); ++ ++ switch(evt) { ++ case led_start: /* System startup */ ++ at91_led_toggle(at91_leds_timer); ++ break; ++ ++ case led_stop: /* System stop / suspend */ ++ at91_led_toggle(at91_leds_timer); ++ break; ++ ++#ifdef CONFIG_LEDS_TIMER ++ case led_timer: /* Every 50 timer ticks */ ++ at91_led_toggle(at91_leds_timer); ++ break; ++#endif ++ ++#ifdef CONFIG_LEDS_CPU ++ case led_idle_start: /* Entering idle state */ ++ at91_led_toggle(at91_leds_timer); ++ break; ++ ++ case led_idle_end: /* Exit idle state */ ++ at91_led_toggle(at91_leds_timer); ++ break; ++#endif ++ ++ default: ++ break; ++ } ++ ++ local_irq_restore(flags); ++} ++ ++ ++static int __init leds_init(void) ++{ ++ if (!at91_leds_timer || !at91_leds_cpu) ++ return -ENODEV; ++ ++ leds_event = at91_leds_event; ++ ++ leds_event(led_start); ++ return 0; ++} ++ ++__initcall(leds_init); +diff -urN linux-2.6.25.10.old/include/asm-arm/arch-at91/board.h linux-2.6.25.10/include/asm-arm/arch-at91/board.h +--- linux-2.6.25.10.old/include/asm-arm/arch-at91/board.h 2008-07-06 09:01:54.000000000 +0200 ++++ linux-2.6.25.10/include/asm-arm/arch-at91/board.h 2008-07-06 09:56:31.000000000 +0200 +@@ -162,6 +162,11 @@ + /* ISI */ + extern void __init at91_add_device_isi(void); + ++ /* LEDs */ ++extern u8 at91_leds_cpu; ++extern u8 at91_leds_timer; ++extern void __init at91_init_leds(u8 cpu_led, u8 timer_led); ++ + /* Touchscreen Controller */ + extern void __init at91_add_device_tsadcc(void); + diff --git a/target/linux/at91/patches-2.6.25/003-gpio-driver.patch b/target/linux/at91/patches-2.6.25/003-gpio-driver.patch new file mode 100644 index 0000000..e81c771 --- /dev/null +++ b/target/linux/at91/patches-2.6.25/003-gpio-driver.patch @@ -0,0 +1,552 @@ +diff -urN linux-2.6.25.10.old/arch/arm/mach-at91/board-vlink.c linux-2.6.25.10/arch/arm/mach-at91/board-vlink.c +--- linux-2.6.25.10.old/arch/arm/mach-at91/board-vlink.c 2008-07-07 11:20:21.000000000 +0200 ++++ linux-2.6.25.10/arch/arm/mach-at91/board-vlink.c 2008-07-07 12:11:40.000000000 +0200 +@@ -99,7 +99,7 @@ + */ + + static struct at91_mmc_data __initdata vlink_mmc_data = { +-// .det_pin = AT91_PIN_PB27, ++// .det_pin = AT91_PIN_PC10, + .slot_b = 0, + .wire4 = 1, + // .wp_pin = AT91_PIN_PA17, +@@ -136,6 +136,7 @@ + + static void __init vlink_board_init(void) + { ++ int v100; + /* Serial */ + at91_add_device_serial(); + /* Ethernet */ +@@ -157,36 +158,66 @@ + // at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */ + at91_add_device_mmc(0, &vlink_mmc_data); + #endif ++ ++// Set VLink version PIN as an input with pull-up (V1.5 = GND) ++ at91_set_gpio_input(AT91_PIN_PC2, 1); ++ v100 = at91_get_gpio_value(AT91_PIN_PC2); ++ + /* LEDs */ + // at91_gpio_leds(vlink_leds, ARRAY_SIZE(vlink_leds)); + + /* Other LED's */ +- at91_set_gpio_output(AT91_PIN_PC7, 1); // LED FRONT AP1 +- at91_set_gpio_output(AT91_PIN_PC8, 1); // LED FRONT BP1 +- at91_set_gpio_output(AT91_PIN_PB14, 1); // LED BACK AP1 +- at91_set_gpio_output(AT91_PIN_PB15, 1); // LED BACK BP1 +- at91_set_gpio_output(AT91_PIN_PB16, 1); // LED BACK AP2 +- at91_set_gpio_output(AT91_PIN_PB17, 1); // LED BACK BP2 ++ at91_set_gpio_output(AT91_PIN_PC7, 1); // LED FRONT AP1 ++ at91_set_gpio_output(AT91_PIN_PC8, 1); // LED FRONT BP1 ++ at91_set_gpio_output(AT91_PIN_PB14, 1); // LED BACK AP1 ++ at91_set_gpio_output(AT91_PIN_PB15, 1); // LED BACK BP1 ++ at91_set_gpio_output(AT91_PIN_PB16, 1); // LED BACK AP2 ++ at91_set_gpio_output(AT91_PIN_PB17, 1); // LED BACK BP2 ++ ++/* Test jig presence detection */ ++ at91_set_gpio_input(AT91_PIN_PB8, 1); // JIGPRESENT + + /* SIM Cards */ +- at91_set_gpio_output(AT91_PIN_PB9, 1); // ENBSC3 +- at91_set_gpio_output(AT91_PIN_PB10, 1); // ENBSC2 +- at91_set_gpio_output(AT91_PIN_PB11, 1); // ENBSC1 ++ if (at91_get_gpio_value(AT91_PIN_PB8)) { ++ at91_set_gpio_output(AT91_PIN_PB11, 0); ++ if (v100) ++ at91_set_gpio_output(AT91_PIN_PB9, 1); ++ else ++ at91_set_gpio_output(AT91_PIN_PC13, 1); ++ } else { ++ at91_set_gpio_output(AT91_PIN_PB11, 1); ++ if (v100) ++ at91_set_gpio_output(AT91_PIN_PB9, 0); ++ else ++ at91_set_gpio_output(AT91_PIN_PC13, 0); ++ } + +-/* GSM Module Control */ +- at91_set_gpio_output(AT91_PIN_PB12, 1); // GSMONOFF ++ at91_set_gpio_output(AT91_PIN_PB10, 1); // ENBSC2 + +-/* Test jig presence detection */ +- at91_set_gpio_input(AT91_PIN_PB8, 1); // JIGPRESENT ++/* GSM Module Control */ ++ at91_set_gpio_output(AT91_PIN_PB12, 1); // GSMONOFF + + /* Power indicator */ +- at91_set_gpio_input(AT91_PIN_PB22, 1); // PWR_IND ++ at91_set_gpio_input(AT91_PIN_PB22, 1); // PWR_IND + + /* USB Device control */ +- at91_set_gpio_input(AT91_PIN_PB27, 1); // UDB_CNX +- at91_set_gpio_output(AT91_PIN_PB28, 1); // UDB_PUP +- at91_set_multi_drive(AT91_PIN_PB28, 1); // Set to multi-drive +- ++ at91_set_gpio_input(AT91_PIN_PB27, 1); // UDB_CNX ++ at91_set_gpio_output(AT91_PIN_PB28, 1); // UDB_PUP ++ at91_set_multi_drive(AT91_PIN_PB28, 1); // Set to multi-drive ++ ++/* USB Power controls */ ++ ++ if (v100) ++ { // V100 ++ at91_set_gpio_input (AT91_PIN_PC12, 1); // SD Card present ++ } ++ else ++ { // DO special things for V1.5 ++ at91_set_gpio_output(AT91_PIN_PB9 , 0); // USB suspend ++ at91_set_gpio_input (AT91_PIN_PC10, 1); // SD Card present ++ at91_set_gpio_output(AT91_PIN_PC11, 0); // USB Vin CTRL for modules onboard ++ at91_set_gpio_output(AT91_PIN_PC12, 0); // SIM control ++ } + } + + MACHINE_START(VLINK, "FDL VersaLink") +diff -urN linux-2.6.25.10.old/arch/arm/mach-at91/gpio.c linux-2.6.25.10/arch/arm/mach-at91/gpio.c +--- linux-2.6.25.10.old/arch/arm/mach-at91/gpio.c 2008-07-07 11:20:21.000000000 +0200 ++++ linux-2.6.25.10/arch/arm/mach-at91/gpio.c 2008-07-07 11:42:33.000000000 +0200 +@@ -29,6 +29,7 @@ + + static struct at91_gpio_bank *gpio; + static int gpio_banks; ++static u32 pio_gpio_pin[4] = { 0, 0, 0, 0 }; + + + static inline void __iomem *pin_to_controller(unsigned pin) +@@ -71,9 +72,13 @@ + { + void __iomem *pio = pin_to_controller(pin); + unsigned mask = pin_to_mask(pin); ++ int bank = (pin - PIN_BASE) / 32; + + if (!pio) + return -EINVAL; ++ ++ pio_gpio_pin[bank] |= mask; ++ + __raw_writel(mask, pio + PIO_IDR); + __raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR)); + __raw_writel(mask, pio + PIO_PER); +@@ -130,10 +135,13 @@ + { + void __iomem *pio = pin_to_controller(pin); + unsigned mask = pin_to_mask(pin); ++ int bank = (pin - PIN_BASE) / 32; + + if (!pio) + return -EINVAL; + ++ pio_gpio_pin[bank] |= mask; ++ + __raw_writel(mask, pio + PIO_IDR); + __raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR)); + __raw_writel(mask, pio + PIO_ODR); +@@ -151,10 +159,13 @@ + { + void __iomem *pio = pin_to_controller(pin); + unsigned mask = pin_to_mask(pin); ++ int bank = (pin - PIN_BASE) / 32; + + if (!pio) + return -EINVAL; + ++ pio_gpio_pin[bank] |= mask; ++ + __raw_writel(mask, pio + PIO_IDR); + __raw_writel(mask, pio + PIO_PUDR); + __raw_writel(mask, pio + (value ? PIO_SODR : PIO_CODR)); +@@ -262,6 +273,18 @@ + } + EXPORT_SYMBOL(at91_get_gpio_value); + ++int at91_is_pin_gpio(unsigned pin) ++{ ++ void __iomem *pio = pin_to_controller(pin); ++ unsigned mask = pin_to_mask(pin); ++ int bank = (pin - PIN_BASE) / 32; ++ ++ if (!pio) ++ return -EINVAL; ++ return (pio_gpio_pin[bank] & mask) != 0; ++} ++EXPORT_SYMBOL(at91_is_pin_gpio); ++ + /*--------------------------------------------------------------------------*/ + + #ifdef CONFIG_PM +diff -urN linux-2.6.25.10.old/drivers/char/Kconfig linux-2.6.25.10/drivers/char/Kconfig +--- linux-2.6.25.10.old/drivers/char/Kconfig 2008-07-07 11:20:21.000000000 +0200 ++++ linux-2.6.25.10/drivers/char/Kconfig 2008-07-07 11:42:33.000000000 +0200 +@@ -1072,5 +1072,12 @@ + The SPI driver gives user mode access to this serial + bus on the AT91RM9200 processor. + ++config AT91_VLIO ++ tristate "Versalink LED and GPIO interface" ++ depends on ARCH_AT91RM9200 && MACH_VLINK ++ default n ++ help ++ Provides a handler GPIO's in userspace ++ + endmenu + +diff -urN linux-2.6.25.10.old/drivers/char/Makefile linux-2.6.25.10/drivers/char/Makefile +--- linux-2.6.25.10.old/drivers/char/Makefile 2008-07-07 11:20:21.000000000 +0200 ++++ linux-2.6.25.10/drivers/char/Makefile 2008-07-07 11:42:33.000000000 +0200 +@@ -100,6 +100,7 @@ + obj-$(CONFIG_TELCLOCK) += tlclk.o + obj-$(CONFIG_AT91_SPI) += at91_spi.o + obj-$(CONFIG_AT91_SPIDEV) += at91_spidev.o ++obj-$(CONFIG_AT91_VLIO) += vlink_giu.o + + obj-$(CONFIG_MWAVE) += mwave/ + obj-$(CONFIG_AGP) += agp/ +diff -urN linux-2.6.25.10.old/drivers/char/vlink_giu.c linux-2.6.25.10/drivers/char/vlink_giu.c +--- linux-2.6.25.10.old/drivers/char/vlink_giu.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.25.10/drivers/char/vlink_giu.c 2008-07-07 13:41:51.000000000 +0200 +@@ -0,0 +1,333 @@ ++/* ++ * Driver for FDL Versalink GPIO ++ * ++ * Copyright (C) 2005 Guthrie Consulting ++ * Author: Hamish Guthrie <hamish@prodigi.ch> ++ * ++ * 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 ++ */ ++ ++#include <linux/module.h> ++#include <linux/moduleparam.h> ++#include <linux/init.h> ++#include <linux/platform_device.h> ++ ++#include <linux/kernel.h> ++#include <linux/slab.h> ++#include <linux/fs.h> ++#include <linux/errno.h> ++#include <linux/init.h> ++#include <linux/types.h> ++#include <linux/proc_fs.h> ++#include <linux/fcntl.h> ++#include <linux/seq_file.h> ++#include <linux/cdev.h> ++#include <asm/arch/gpio.h> ++#include <asm/uaccess.h> ++ ++static int major; /* default is dynamic major device number */ ++module_param(major, int, 0); ++MODULE_PARM_DESC(major, "Major device number"); ++ ++#define VIO_NR_DEVS 96 ++ ++struct vio_dev { ++ struct cdev cdev; ++}; ++ ++struct vio_dev *vio_devices; ++static struct class *vio_class; ++ ++#define MAX_VIO_NAMES 24 ++typedef struct ++{ ++ char port; ++ char pin; ++ char name100[10]; ++ char name150[10]; ++} VIO_NAMES; ++ ++VIO_NAMES VioName[MAX_VIO_NAMES] = ++{ // Port, Pin, V100, V150 ++ {'A',19,"port1DTR" ,"port1DTR"}, ++ {'A',24,"port2DTR" ,"port2DTR"}, ++ {'B',8, "jigOn" ,"jigOn"} , ++ {'B',9, "enbSC3" ,"usbSUSPND"}, ++ {'B',10,"enbSC2" ,"enbSC2"}, ++ {'B',11,"enbSC1" ,"enbSC1"}, ++ {'B',12,"gsmONOFF" ,"gsmONOFF"}, ++ {'B',14,"ledBAP1" ,"ledBAP1"}, ++ {'B',15,"ledBBP1" ,"ledBBP1"}, ++ {'B',16,"ledBAP2" ,"ledBAP2"}, ++ {'B',17,"ledBBP2" ,"ledBBP2"}, ++ {'B',27,"udpCNX" ,"udpCNX"}, ++ {'B',28,"udpPUP" ,"udpPUP"}, ++ {'B',29,"port2DCD" ,"port2DCD"}, ++ {'C',2, "vlVer100" ,"vlVer150"}, ++ {'C',7, "ledFAP1" ,"ledFAP1"}, ++ {'C',8, "ledFBP1" ,"ledFBP1"}, ++ {'C',10,"vioC10" ,"sdCardON"}, ++ {'C',11,"vioC11" ,"vusbCTRL"}, ++ {'C',12,"sdCardON" ,"simCTRL"}, ++ {'C',13,"vioC13" ,"enbSC3"}, ++ {'C',14,"ledFBP2" ,"ledFBP2"}, ++ {'C',15,"ledFAP2" ,"ledFAP2"}, ++ {0,0,"",""} ++}; ++ ++/* ++{'B',18,"gsmRIO" ,"gsmRIO"}, ++{'B',20,"gsmTX" ,"gsmTX"}, ++{'B',21,"gsmRX" ,"gsmRX"}, ++{'B',22,"gsmPIND" ,"gsmPIND"}, ++{'B',23,"gsmDCD" ,"gsmDCD"}, ++{'B',24,"gsmCTS" ,"gsmCTS"}, ++{'B',25,"gsmDSR" ,"gsmDSR"}, ++{'B',26,"gsmRTS" ,"gsmRTS"}, ++*/ ++static void lookupPINName(char version100, char *devName, char port, char pin); ++// EOF KWJ + AJE ++ ++static ssize_t gpio_read(struct file *file, char __user *buf, size_t len, ++ loff_t *ppos) ++{ ++ unsigned int pin; ++ int retval; ++ char value = '0'; ++ ++ pin = iminor(file->f_dentry->d_inode); ++ ++ retval = at91_get_gpio_value(PIN_BASE + pin); ++ if (retval < 0) ++ return -EFAULT; ++ ++ value = retval + 0x30; ++ if (put_user(value, buf)) ++ return -EFAULT; ++ ++ return 1; ++} ++ ++static ssize_t gpio_write(struct file *file, const char __user *data, ++ size_t len, loff_t *ppos) ++{ ++ unsigned int pin; ++ size_t i; ++ char c; ++ int retval = 0; ++ ++ pin = iminor(file->f_dentry->d_inode); ++ ++ for (i = 0; i < len; i++) { ++ if (get_user(c, data + i)) ++ return -EFAULT; ++ ++ switch (c) { ++ case '0': ++ case '1': ++ retval = at91_set_gpio_value(PIN_BASE + pin, (int)c - 0x30); ++ if (retval < 0) ++ return -EFAULT; ++ break; ++ default: ++ break; ++ } ++ ++ if (retval < 0) ++ break; ++ } ++ ++ return i; ++} ++ ++static int gpio_open(struct inode *inode, struct file *file) ++{ ++ return nonseekable_open(inode, file); ++} ++ ++static int gpio_release(struct inode *inode, struct file *file) ++{ ++ return 0; ++} ++ ++static struct file_operations vio_fops = { ++ .owner = THIS_MODULE, ++ .read = gpio_read, ++ .write = gpio_write, ++ .open = gpio_open, ++ .release = gpio_release, ++}; ++ ++static void vio_setup_cdev(struct vio_dev *dev, int index) ++{ ++ int err, devno = MKDEV(major, index); ++ ++ cdev_init(&dev->cdev, &vio_fops); ++ dev->cdev.owner = THIS_MODULE; ++ dev->cdev.ops = &vio_fops; ++ err = cdev_add (&dev->cdev, devno, 1); ++ if (err) ++ printk(KERN_NOTICE "vio: Error %d adding vio%d", err, index); ++} ++ ++static int vio_remove(struct platform_device *dev) ++{ ++ int i; ++ dev_t devno = MKDEV(major, 0); ++ ++ if (vio_devices) { ++ for(i=0; i<VIO_NR_DEVS; i++) { ++ int iodev = at91_is_pin_gpio(PIN_BASE + i); ++ if (iodev) { ++ cdev_del(&vio_devices[i].cdev); ++ class_device_destroy(vio_class, MKDEV(major, i)); ++ } ++ } ++ kfree(vio_devices); ++ } ++ ++ class_destroy(vio_class); ++ unregister_chrdev_region(devno, VIO_NR_DEVS); ++ ++ platform_set_drvdata(dev, NULL); ++ ++ return 0; ++} ++ ++static int vio_probe(struct platform_device *dev) ++{ ++ int retval, i, j; ++ dev_t vdev = 0; ++ char devName[30]; ++ int vlinkV100; ++ ++ if (major) { ++ vdev = MKDEV(major, 0); ++ retval = register_chrdev_region(vdev, VIO_NR_DEVS, "vio"); ++ } else { ++ retval = alloc_chrdev_region(&vdev, 0, VIO_NR_DEVS, "vio"); ++ major = MAJOR(vdev); ++ } ++ if (retval < 0) { ++ printk(KERN_WARNING "vio: can't get major %d\n", major); ++ return retval; ++ } ++ ++ if (major == 0) { ++ major = retval; ++ printk(KERN_INFO "vio: major number %d\n", major); ++ } ++ ++ vio_class = class_create(THIS_MODULE, "vio"); ++ ++ if (IS_ERR(vio_class)) { ++ printk(KERN_ERR "vio: Error creating vio class\n"); ++ vio_remove(dev); ++ return PTR_ERR(vio_class); ++ } ++ ++ vlinkV100 = at91_get_gpio_value(AT91_PIN_PC2); // Denotes V1.5 if GND ++ ++ vio_devices = kmalloc(VIO_NR_DEVS * sizeof(struct vio_dev), GFP_KERNEL); ++ if (!vio_devices) { ++ retval = -ENOMEM; ++ goto fail; ++ } ++ memset(vio_devices, 0, VIO_NR_DEVS * sizeof(struct vio_dev)); ++ ++ for (i=0; i<VIO_NR_DEVS/32; i++) ++ for(j=0; j<32; j++) { ++ int iodev = at91_is_pin_gpio(PIN_BASE + i*32 + j); ++ if (iodev) { ++ vio_setup_cdev(&vio_devices[i*32 + j], i*32 + j); ++ // Lookup name of vio to create ++ lookupPINName(vlinkV100, devName, i, j); ++ class_device_create(vio_class, NULL, MKDEV(major, i*32 + j), NULL, devName); ++ } ++ } ++ ++ platform_set_drvdata(dev, vio_devices); ++ ++ return 0; ++ ++fail: ++ vio_remove(dev); ++ return retval; ++} ++ ++static void lookupPINName(char version100, char *devName, char port, char pin) ++{ ++ int i = -1; ++ char found = 0; ++ while (!found) ++ { ++ i++; ++ if (i >= MAX_VIO_NAMES) ++ break; ++ if (VioName[i].port == port+'A' && VioName[i].pin == pin) ++ { ++ printk(KERN_ERR "vio++: %c%d=%s\n",VioName[i].port,VioName[i].pin,VioName[i].name150); ++ if (version100) ++ strcpy(devName, VioName[i].name100); ++ else ++ strcpy(devName, VioName[i].name150); ++ found = 1; ++ } ++ } ++ if (!found) ++ sprintf(devName, "vio%c%d", port + 'A', pin); ++} ++ ++static struct platform_device *vio_platform_device; ++ ++static struct platform_driver vio_driver = { ++ .probe = vio_probe, ++ .remove = vio_remove, ++ .driver = { ++ .name = "vio", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init vio_init(void) ++{ ++ int retval; ++ ++ vio_platform_device = platform_device_register_simple("vio", -1, NULL, 0); ++ if (IS_ERR(vio_platform_device)) { ++ printk(KERN_WARNING "vio: device registration failed\n"); ++ return PTR_ERR(vio_platform_device); ++ } ++ ++ retval = platform_driver_register(&vio_driver); ++ if (retval < 0) { ++ printk(KERN_WARNING "vio: driver registration failed\n"); ++ platform_device_unregister(vio_platform_device); ++ } ++ ++ return retval; ++} ++ ++static void __exit vio_exit(void) ++{ ++ platform_driver_unregister(&vio_driver); ++ platform_device_unregister(vio_platform_device); ++} ++ ++module_init(vio_init); ++module_exit(vio_exit); ++ ++MODULE_AUTHOR("Hamish Guthrie <hamish@prodigi.ch>"); ++MODULE_DESCRIPTION("FDL Versalink GPIO Driver"); ++MODULE_LICENSE("GPL"); +--- linux-2.6.25.10.old/include/asm-arm/arch-at91/gpio.h 2008-07-03 05:46:47.000000000 +0200 ++++ linux-2.6.25.10/include/asm-arm/arch-at91/gpio.h 2008-07-07 17:03:03.000000000 +0200 +@@ -199,6 +199,7 @@ + /* callable at any time */ + extern int at91_set_gpio_value(unsigned pin, int value); + extern int at91_get_gpio_value(unsigned pin); ++extern int at91_is_pin_gpio(unsigned pin); + + /* callable only from core power-management code */ + extern void at91_gpio_suspend(void); |