diff options
Diffstat (limited to 'arch/cris/arch-v32/kernel/io.c')
| -rw-r--r-- | arch/cris/arch-v32/kernel/io.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/arch/cris/arch-v32/kernel/io.c b/arch/cris/arch-v32/kernel/io.c deleted file mode 100644 index a22a9e02e093..000000000000 --- a/arch/cris/arch-v32/kernel/io.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * Helper functions for I/O pins. - * - * Copyright (c) 2004 Axis Communications AB. - */ - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/string.h> -#include <linux/ctype.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <asm/io.h> -#include <asm/arch/pinmux.h> -#include <asm/arch/hwregs/gio_defs.h> - -struct crisv32_ioport crisv32_ioports[] = -{ - { - (unsigned long*)REG_ADDR(gio, regi_gio, rw_pa_oe), - (unsigned long*)REG_ADDR(gio, regi_gio, rw_pa_dout), - (unsigned long*)REG_ADDR(gio, regi_gio, r_pa_din), - 8 - }, - { - (unsigned long*)REG_ADDR(gio, regi_gio, rw_pb_oe), - (unsigned long*)REG_ADDR(gio, regi_gio, rw_pb_dout), - (unsigned long*)REG_ADDR(gio, regi_gio, r_pb_din), - 18 - }, - { - (unsigned long*)REG_ADDR(gio, regi_gio, rw_pc_oe), - (unsigned long*)REG_ADDR(gio, regi_gio, rw_pc_dout), - (unsigned long*)REG_ADDR(gio, regi_gio, r_pc_din), - 18 - }, - { - (unsigned long*)REG_ADDR(gio, regi_gio, rw_pd_oe), - (unsigned long*)REG_ADDR(gio, regi_gio, rw_pd_dout), - (unsigned long*)REG_ADDR(gio, regi_gio, r_pd_din), - 18 - }, - { - (unsigned long*)REG_ADDR(gio, regi_gio, rw_pe_oe), - (unsigned long*)REG_ADDR(gio, regi_gio, rw_pe_dout), - (unsigned long*)REG_ADDR(gio, regi_gio, r_pe_din), - 18 - } -}; - -#define NBR_OF_PORTS ARRAY_SIZE(crisv32_ioports) - -struct crisv32_iopin crisv32_led1_green; -struct crisv32_iopin crisv32_led1_red; -struct crisv32_iopin crisv32_led2_green; -struct crisv32_iopin crisv32_led2_red; -struct crisv32_iopin crisv32_led3_green; -struct crisv32_iopin crisv32_led3_red; - -/* Dummy port used when green LED and red LED is on the same bit */ -static unsigned long io_dummy; -static struct crisv32_ioport dummy_port = -{ - &io_dummy, - &io_dummy, - &io_dummy, - 18 -}; -static struct crisv32_iopin dummy_led = -{ - &dummy_port, - 0 -}; - -static int __init crisv32_io_init(void) -{ - int ret = 0; - /* Initialize LEDs */ - ret += crisv32_io_get_name(&crisv32_led1_green, CONFIG_ETRAX_LED1G); - ret += crisv32_io_get_name(&crisv32_led1_red, CONFIG_ETRAX_LED1R); - ret += crisv32_io_get_name(&crisv32_led2_green, CONFIG_ETRAX_LED2G); - ret += crisv32_io_get_name(&crisv32_led2_red, CONFIG_ETRAX_LED2R); - ret += crisv32_io_get_name(&crisv32_led3_green, CONFIG_ETRAX_LED3G); - ret += crisv32_io_get_name(&crisv32_led3_red, CONFIG_ETRAX_LED3R); - crisv32_io_set_dir(&crisv32_led1_green, crisv32_io_dir_out); - crisv32_io_set_dir(&crisv32_led1_red, crisv32_io_dir_out); - crisv32_io_set_dir(&crisv32_led2_green, crisv32_io_dir_out); - crisv32_io_set_dir(&crisv32_led2_red, crisv32_io_dir_out); - crisv32_io_set_dir(&crisv32_led3_green, crisv32_io_dir_out); - crisv32_io_set_dir(&crisv32_led3_red, crisv32_io_dir_out); - - if (!strcmp(CONFIG_ETRAX_LED1G, CONFIG_ETRAX_LED1R)) - crisv32_led1_red = dummy_led; - if (!strcmp(CONFIG_ETRAX_LED2G, CONFIG_ETRAX_LED2R)) - crisv32_led2_red = dummy_led; - - return ret; -} - -__initcall(crisv32_io_init); - -int crisv32_io_get(struct crisv32_iopin* iopin, - unsigned int port, unsigned int pin) -{ - if (port > NBR_OF_PORTS) - return -EINVAL; - if (port > crisv32_ioports[port].pin_count) - return -EINVAL; - - iopin->bit = 1 << pin; - iopin->port = &crisv32_ioports[port]; - - if (crisv32_pinmux_alloc(port, pin, pin, pinmux_gpio)) - return -EIO; - - return 0; -} - -int crisv32_io_get_name(struct crisv32_iopin* iopin, - char* name) -{ - int port; - int pin; - - if (toupper(*name) == 'P') - name++; - - if (toupper(*name) < 'A' || toupper(*name) > 'E') - return -EINVAL; - - port = toupper(*name) - 'A'; - name++; - pin = simple_strtoul(name, NULL, 10); - - if (pin < 0 || pin > crisv32_ioports[port].pin_count) - return -EINVAL; - - iopin->bit = 1 << pin; - iopin->port = &crisv32_ioports[port]; - - if (crisv32_pinmux_alloc(port, pin, pin, pinmux_gpio)) - return -EIO; - - return 0; -} - -#ifdef CONFIG_PCI -/* PCI I/O access stuff */ -struct cris_io_operations* cris_iops = NULL; -EXPORT_SYMBOL(cris_iops); -#endif - |