diff options
Diffstat (limited to 'arch/arm/mach-sa1100/simpad.c')
| -rw-r--r-- | arch/arm/mach-sa1100/simpad.c | 423 |
1 files changed, 0 insertions, 423 deletions
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c deleted file mode 100644 index c7fb9a73e4c5..000000000000 --- a/arch/arm/mach-sa1100/simpad.c +++ /dev/null @@ -1,423 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/arm/mach-sa1100/simpad.c - */ - -#include <linux/module.h> -#include <linux/gpio/machine.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/tty.h> -#include <linux/proc_fs.h> -#include <linux/string.h> -#include <linux/pm.h> -#include <linux/platform_data/sa11x0-serial.h> -#include <linux/platform_device.h> -#include <linux/mfd/ucb1x00.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/io.h> -#include <linux/gpio/driver.h> - -#include <mach/hardware.h> -#include <asm/setup.h> -#include <asm/irq.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/flash.h> -#include <asm/mach/map.h> -#include <linux/platform_data/mfd-mcp-sa11x0.h> -#include <mach/simpad.h> -#include <mach/irqs.h> - -#include <linux/serial_core.h> -#include <linux/ioport.h> -#include <linux/input.h> -#include <linux/gpio_keys.h> -#include <linux/leds.h> -#include <linux/platform_data/i2c-gpio.h> - -#include "generic.h" - -/* - * CS3 support - */ - -static long cs3_shadow; -static spinlock_t cs3_lock; -static struct gpio_chip cs3_gpio; - -long simpad_get_cs3_ro(void) -{ - return readl(CS3_BASE); -} -EXPORT_SYMBOL(simpad_get_cs3_ro); - -long simpad_get_cs3_shadow(void) -{ - return cs3_shadow; -} -EXPORT_SYMBOL(simpad_get_cs3_shadow); - -static void __simpad_write_cs3(void) -{ - writel(cs3_shadow, CS3_BASE); -} - -void simpad_set_cs3_bit(int value) -{ - unsigned long flags; - - spin_lock_irqsave(&cs3_lock, flags); - cs3_shadow |= value; - __simpad_write_cs3(); - spin_unlock_irqrestore(&cs3_lock, flags); -} -EXPORT_SYMBOL(simpad_set_cs3_bit); - -void simpad_clear_cs3_bit(int value) -{ - unsigned long flags; - - spin_lock_irqsave(&cs3_lock, flags); - cs3_shadow &= ~value; - __simpad_write_cs3(); - spin_unlock_irqrestore(&cs3_lock, flags); -} -EXPORT_SYMBOL(simpad_clear_cs3_bit); - -static void cs3_gpio_set(struct gpio_chip *chip, unsigned offset, int value) -{ - if (offset > 15) - return; - if (value) - simpad_set_cs3_bit(1 << offset); - else - simpad_clear_cs3_bit(1 << offset); -}; - -static int cs3_gpio_get(struct gpio_chip *chip, unsigned offset) -{ - if (offset > 15) - return !!(simpad_get_cs3_ro() & (1 << (offset - 16))); - return !!(simpad_get_cs3_shadow() & (1 << offset)); -}; - -static int cs3_gpio_direction_input(struct gpio_chip *chip, unsigned offset) -{ - if (offset > 15) - return 0; - return -EINVAL; -}; - -static int cs3_gpio_direction_output(struct gpio_chip *chip, unsigned offset, - int value) -{ - if (offset > 15) - return -EINVAL; - cs3_gpio_set(chip, offset, value); - return 0; -}; - -static struct map_desc simpad_io_desc[] __initdata = { - { /* MQ200 */ - .virtual = 0xf2800000, - .pfn = __phys_to_pfn(0x4b800000), - .length = 0x00800000, - .type = MT_DEVICE - }, { /* Simpad CS3 */ - .virtual = (unsigned long)CS3_BASE, - .pfn = __phys_to_pfn(SA1100_CS3_PHYS), - .length = 0x00100000, - .type = MT_DEVICE - }, -}; - - -static void simpad_uart_pm(struct uart_port *port, u_int state, u_int oldstate) -{ - if (port->mapbase == (u_int)&Ser1UTCR0) { - if (state) - { - simpad_clear_cs3_bit(RS232_ON); - simpad_clear_cs3_bit(DECT_POWER_ON); - }else - { - simpad_set_cs3_bit(RS232_ON); - simpad_set_cs3_bit(DECT_POWER_ON); - } - } -} - -static struct sa1100_port_fns simpad_port_fns __initdata = { - .pm = simpad_uart_pm, -}; - - -static struct mtd_partition simpad_partitions[] = { - { - .name = "SIMpad boot firmware", - .size = 0x00080000, - .offset = 0, - .mask_flags = MTD_WRITEABLE, - }, { - .name = "SIMpad kernel", - .size = 0x0010000, - .offset = MTDPART_OFS_APPEND, - }, { - .name = "SIMpad root jffs2", - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND, - } -}; - -static struct flash_platform_data simpad_flash_data = { - .map_name = "cfi_probe", - .parts = simpad_partitions, - .nr_parts = ARRAY_SIZE(simpad_partitions), -}; - - -static struct resource simpad_flash_resources [] = { - DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_16M), - DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_16M), -}; - -static struct ucb1x00_plat_data simpad_ucb1x00_data = { - .gpio_base = SIMPAD_UCB1X00_GPIO_BASE, -}; - -static struct mcp_plat_data simpad_mcp_data = { - .mccr0 = MCCR0_ADM, - .sclk_rate = 11981000, - .codec_pdata = &simpad_ucb1x00_data, -}; - - - -static void __init simpad_map_io(void) -{ - sa1100_map_io(); - - iotable_init(simpad_io_desc, ARRAY_SIZE(simpad_io_desc)); - - /* Initialize CS3 */ - cs3_shadow = (EN1 | EN0 | LED2_ON | DISPLAY_ON | - RS232_ON | ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON); - __simpad_write_cs3(); /* Spinlocks not yet initialized */ - - sa1100_register_uart_fns(&simpad_port_fns); - sa1100_register_uart(0, 3); /* serial interface */ - sa1100_register_uart(1, 1); /* DECT */ - - // Reassign UART 1 pins - GAFR |= GPIO_UART_TXD | GPIO_UART_RXD; - GPDR |= GPIO_UART_TXD | GPIO_LDD13 | GPIO_LDD15; - GPDR &= ~GPIO_UART_RXD; - PPAR |= PPAR_UPR; - - /* - * Set up registers for sleep mode. - */ - - - PWER = PWER_GPIO0| PWER_RTC; - PGSR = 0x818; - PCFR = 0; - PSDR = 0; - -} - -static void simpad_power_off(void) -{ - local_irq_disable(); - cs3_shadow = SD_MEDIAQ; - __simpad_write_cs3(); /* Bypass spinlock here */ - - /* disable internal oscillator, float CS lines */ - PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS); - /* enable wake-up on GPIO0 */ - PWER = GFER = GRER = PWER_GPIO0; - /* - * set scratchpad to zero, just in case it is used as a - * restart address by the bootloader. - */ - PSPR = 0; - PGSR = 0; - /* enter sleep mode */ - PMCR = PMCR_SF; - while(1); - - local_irq_enable(); /* we won't ever call it */ - - -} - -/* - * gpio_keys -*/ - -static struct gpio_keys_button simpad_button_table[] = { - { KEY_POWER, IRQ_GPIO_POWER_BUTTON, 1, "power button" }, -}; - -static struct gpio_keys_platform_data simpad_keys_data = { - .buttons = simpad_button_table, - .nbuttons = ARRAY_SIZE(simpad_button_table), -}; - -static struct platform_device simpad_keys = { - .name = "gpio-keys", - .dev = { - .platform_data = &simpad_keys_data, - }, -}; - -static struct gpio_keys_button simpad_polled_button_table[] = { - { KEY_PROG1, SIMPAD_UCB1X00_GPIO_PROG1, 1, "prog1 button" }, - { KEY_PROG2, SIMPAD_UCB1X00_GPIO_PROG2, 1, "prog2 button" }, - { KEY_UP, SIMPAD_UCB1X00_GPIO_UP, 1, "up button" }, - { KEY_DOWN, SIMPAD_UCB1X00_GPIO_DOWN, 1, "down button" }, - { KEY_LEFT, SIMPAD_UCB1X00_GPIO_LEFT, 1, "left button" }, - { KEY_RIGHT, SIMPAD_UCB1X00_GPIO_RIGHT, 1, "right button" }, -}; - -static struct gpio_keys_platform_data simpad_polled_keys_data = { - .buttons = simpad_polled_button_table, - .nbuttons = ARRAY_SIZE(simpad_polled_button_table), - .poll_interval = 50, -}; - -static struct platform_device simpad_polled_keys = { - .name = "gpio-keys-polled", - .dev = { - .platform_data = &simpad_polled_keys_data, - }, -}; - -/* - * GPIO LEDs - */ - -static struct gpio_led simpad_leds[] = { - { - .name = "simpad:power", - .gpio = SIMPAD_CS3_LED2_ON, - .active_low = 0, - .default_trigger = "default-on", - }, -}; - -static struct gpio_led_platform_data simpad_led_data = { - .num_leds = ARRAY_SIZE(simpad_leds), - .leds = simpad_leds, -}; - -static struct platform_device simpad_gpio_leds = { - .name = "leds-gpio", - .id = 0, - .dev = { - .platform_data = &simpad_led_data, - }, -}; - -/* - * i2c - */ -static struct gpiod_lookup_table simpad_i2c_gpiod_table = { - .dev_id = "i2c-gpio.0", - .table = { - GPIO_LOOKUP_IDX("gpio", 21, NULL, 0, - GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), - GPIO_LOOKUP_IDX("gpio", 25, NULL, 1, - GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), - }, -}; - -static struct i2c_gpio_platform_data simpad_i2c_data = { - .udelay = 10, - .timeout = HZ, -}; - -static struct platform_device simpad_i2c = { - .name = "i2c-gpio", - .id = 0, - .dev = { - .platform_data = &simpad_i2c_data, - }, -}; - -/* - * MediaQ Video Device - */ -static struct platform_device simpad_mq200fb = { - .name = "simpad-mq200", - .id = 0, -}; - -static struct platform_device *devices[] __initdata = { - &simpad_keys, - &simpad_polled_keys, - &simpad_mq200fb, - &simpad_gpio_leds, - &simpad_i2c, -}; - -/* Compact Flash */ -static struct gpiod_lookup_table simpad_cf_gpio_table = { - .dev_id = "sa11x0-pcmcia", - .table = { - GPIO_LOOKUP("gpio", GPIO_CF_IRQ, "cf-ready", GPIO_ACTIVE_HIGH), - GPIO_LOOKUP("gpio", GPIO_CF_CD, "cf-detect", GPIO_ACTIVE_HIGH), - { }, - }, -}; - - -static int __init simpad_init(void) -{ - int ret; - - spin_lock_init(&cs3_lock); - - cs3_gpio.label = "simpad_cs3"; - cs3_gpio.base = SIMPAD_CS3_GPIO_BASE; - cs3_gpio.ngpio = 24; - cs3_gpio.set = cs3_gpio_set; - cs3_gpio.get = cs3_gpio_get; - cs3_gpio.direction_input = cs3_gpio_direction_input; - cs3_gpio.direction_output = cs3_gpio_direction_output; - ret = gpiochip_add_data(&cs3_gpio, NULL); - if (ret) - printk(KERN_WARNING "simpad: Unable to register cs3 GPIO device"); - - pm_power_off = simpad_power_off; - - sa11x0_register_pcmcia(-1, &simpad_cf_gpio_table); - sa11x0_ppc_configure_mcp(); - sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources, - ARRAY_SIZE(simpad_flash_resources)); - sa11x0_register_mcp(&simpad_mcp_data); - - gpiod_add_lookup_table(&simpad_i2c_gpiod_table); - ret = platform_add_devices(devices, ARRAY_SIZE(devices)); - if(ret) - printk(KERN_WARNING "simpad: Unable to register mq200 framebuffer device"); - - return 0; -} - -arch_initcall(simpad_init); - - -MACHINE_START(SIMPAD, "Simpad") - /* Maintainer: Holger Freyther */ - .atag_offset = 0x100, - .map_io = simpad_map_io, - .nr_irqs = SA1100_NR_IRQS, - .init_irq = sa1100_init_irq, - .init_late = sa11x0_init_late, - .init_time = sa1100_timer_init, - .restart = sa11x0_restart, -MACHINE_END |