diff options
Diffstat (limited to 'kernel/arch/arm/mach-clps711x/board-p720t.c')
| -rw-r--r-- | kernel/arch/arm/mach-clps711x/board-p720t.c | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-clps711x/board-p720t.c b/kernel/arch/arm/mach-clps711x/board-p720t.c new file mode 100644 index 000000000..e68dd629b --- /dev/null +++ b/kernel/arch/arm/mach-clps711x/board-p720t.c @@ -0,0 +1,373 @@ +/* + * linux/arch/arm/mach-clps711x/p720t.c + * + * Copyright (C) 2000-2001 Deep Blue Solutions Ltd + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/slab.h> +#include <linux/leds.h> +#include <linux/sizes.h> +#include <linux/backlight.h> +#include <linux/basic_mmio_gpio.h> +#include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/nand-gpio.h> + +#include <mach/hardware.h> +#include <asm/pgtable.h> +#include <asm/page.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <video/platform_lcd.h> + +#include "common.h" +#include "devices.h" + +#define P720T_USERLED CLPS711X_GPIO(3, 0) +#define P720T_NAND_CLE CLPS711X_GPIO(4, 0) +#define P720T_NAND_ALE CLPS711X_GPIO(4, 1) +#define P720T_NAND_NCE CLPS711X_GPIO(4, 2) + +#define P720T_NAND_BASE (CLPS711X_SDRAM1_BASE) + +#define P720T_MMGPIO_BASE (CLPS711X_NR_GPIO) + +#define SYSPLD_PHYS_BASE IOMEM(CS1_PHYS_BASE) + +#define PLD_INT (SYSPLD_PHYS_BASE + 0x000000) +#define PLD_INT_MMGPIO_BASE (P720T_MMGPIO_BASE + 0) +#define PLD_INT_PENIRQ (PLD_INT_MMGPIO_BASE + 5) +#define PLD_INT_UCB_IRQ (PLD_INT_MMGPIO_BASE + 1) +#define PLD_INT_KBD_ATN (PLD_INT_MMGPIO_BASE + 0) /* EINT1 */ + +#define PLD_PWR (SYSPLD_PHYS_BASE + 0x000004) +#define PLD_PWR_MMGPIO_BASE (P720T_MMGPIO_BASE + 8) +#define PLD_PWR_EXT (PLD_PWR_MMGPIO_BASE + 5) +#define PLD_PWR_MODE (PLD_PWR_MMGPIO_BASE + 4) /* 1 = PWM, 0 = PFM */ +#define PLD_S4_ON (PLD_PWR_MMGPIO_BASE + 3) /* LCD bias voltage enable */ +#define PLD_S3_ON (PLD_PWR_MMGPIO_BASE + 2) /* LCD backlight enable */ +#define PLD_S2_ON (PLD_PWR_MMGPIO_BASE + 1) /* LCD 3V3 supply enable */ +#define PLD_S1_ON (PLD_PWR_MMGPIO_BASE + 0) /* LCD 3V supply enable */ + +#define PLD_KBD (SYSPLD_PHYS_BASE + 0x000008) +#define PLD_KBD_MMGPIO_BASE (P720T_MMGPIO_BASE + 16) +#define PLD_KBD_WAKE (PLD_KBD_MMGPIO_BASE + 1) +#define PLD_KBD_EN (PLD_KBD_MMGPIO_BASE + 0) + +#define PLD_SPI (SYSPLD_PHYS_BASE + 0x00000c) +#define PLD_SPI_MMGPIO_BASE (P720T_MMGPIO_BASE + 24) +#define PLD_SPI_EN (PLD_SPI_MMGPIO_BASE + 0) + +#define PLD_IO (SYSPLD_PHYS_BASE + 0x000010) +#define PLD_IO_MMGPIO_BASE (P720T_MMGPIO_BASE + 32) +#define PLD_IO_BOOTSEL (PLD_IO_MMGPIO_BASE + 6) /* Boot sel switch */ +#define PLD_IO_USER (PLD_IO_MMGPIO_BASE + 5) /* User defined switch */ +#define PLD_IO_LED3 (PLD_IO_MMGPIO_BASE + 4) +#define PLD_IO_LED2 (PLD_IO_MMGPIO_BASE + 3) +#define PLD_IO_LED1 (PLD_IO_MMGPIO_BASE + 2) +#define PLD_IO_LED0 (PLD_IO_MMGPIO_BASE + 1) +#define PLD_IO_LEDEN (PLD_IO_MMGPIO_BASE + 0) + +#define PLD_IRDA (SYSPLD_PHYS_BASE + 0x000014) +#define PLD_IRDA_MMGPIO_BASE (P720T_MMGPIO_BASE + 40) +#define PLD_IRDA_EN (PLD_IRDA_MMGPIO_BASE + 0) + +#define PLD_COM2 (SYSPLD_PHYS_BASE + 0x000018) +#define PLD_COM2_MMGPIO_BASE (P720T_MMGPIO_BASE + 48) +#define PLD_COM2_EN (PLD_COM2_MMGPIO_BASE + 0) + +#define PLD_COM1 (SYSPLD_PHYS_BASE + 0x00001c) +#define PLD_COM1_MMGPIO_BASE (P720T_MMGPIO_BASE + 56) +#define PLD_COM1_EN (PLD_COM1_MMGPIO_BASE + 0) + +#define PLD_AUD (SYSPLD_PHYS_BASE + 0x000020) +#define PLD_AUD_MMGPIO_BASE (P720T_MMGPIO_BASE + 64) +#define PLD_AUD_DIV1 (PLD_AUD_MMGPIO_BASE + 6) +#define PLD_AUD_DIV0 (PLD_AUD_MMGPIO_BASE + 5) +#define PLD_AUD_CLK_SEL1 (PLD_AUD_MMGPIO_BASE + 4) +#define PLD_AUD_CLK_SEL0 (PLD_AUD_MMGPIO_BASE + 3) +#define PLD_AUD_MIC_PWR (PLD_AUD_MMGPIO_BASE + 2) +#define PLD_AUD_MIC_GAIN (PLD_AUD_MMGPIO_BASE + 1) +#define PLD_AUD_CODEC_EN (PLD_AUD_MMGPIO_BASE + 0) + +#define PLD_CF (SYSPLD_PHYS_BASE + 0x000024) +#define PLD_CF_MMGPIO_BASE (P720T_MMGPIO_BASE + 72) +#define PLD_CF2_SLEEP (PLD_CF_MMGPIO_BASE + 5) +#define PLD_CF1_SLEEP (PLD_CF_MMGPIO_BASE + 4) +#define PLD_CF2_nPDREQ (PLD_CF_MMGPIO_BASE + 3) +#define PLD_CF1_nPDREQ (PLD_CF_MMGPIO_BASE + 2) +#define PLD_CF2_nIRQ (PLD_CF_MMGPIO_BASE + 1) +#define PLD_CF1_nIRQ (PLD_CF_MMGPIO_BASE + 0) + +#define PLD_SDC (SYSPLD_PHYS_BASE + 0x000028) +#define PLD_SDC_MMGPIO_BASE (P720T_MMGPIO_BASE + 80) +#define PLD_SDC_INT_EN (PLD_SDC_MMGPIO_BASE + 2) +#define PLD_SDC_WP (PLD_SDC_MMGPIO_BASE + 1) +#define PLD_SDC_CD (PLD_SDC_MMGPIO_BASE + 0) + +#define PLD_CODEC (SYSPLD_PHYS_BASE + 0x400000) +#define PLD_CODEC_MMGPIO_BASE (P720T_MMGPIO_BASE + 88) +#define PLD_CODEC_IRQ3 (PLD_CODEC_MMGPIO_BASE + 4) +#define PLD_CODEC_IRQ2 (PLD_CODEC_MMGPIO_BASE + 3) +#define PLD_CODEC_IRQ1 (PLD_CODEC_MMGPIO_BASE + 2) +#define PLD_CODEC_EN (PLD_CODEC_MMGPIO_BASE + 0) + +#define PLD_BRITE (SYSPLD_PHYS_BASE + 0x400004) +#define PLD_BRITE_MMGPIO_BASE (P720T_MMGPIO_BASE + 96) +#define PLD_BRITE_UP (PLD_BRITE_MMGPIO_BASE + 1) +#define PLD_BRITE_DN (PLD_BRITE_MMGPIO_BASE + 0) + +#define PLD_LCDEN (SYSPLD_PHYS_BASE + 0x400008) +#define PLD_LCDEN_MMGPIO_BASE (P720T_MMGPIO_BASE + 104) +#define PLD_LCDEN_EN (PLD_LCDEN_MMGPIO_BASE + 0) + +#define PLD_TCH (SYSPLD_PHYS_BASE + 0x400010) +#define PLD_TCH_MMGPIO_BASE (P720T_MMGPIO_BASE + 112) +#define PLD_TCH_PENIRQ (PLD_TCH_MMGPIO_BASE + 1) +#define PLD_TCH_EN (PLD_TCH_MMGPIO_BASE + 0) + +#define PLD_GPIO (SYSPLD_PHYS_BASE + 0x400014) +#define PLD_GPIO_MMGPIO_BASE (P720T_MMGPIO_BASE + 120) +#define PLD_GPIO2 (PLD_GPIO_MMGPIO_BASE + 2) +#define PLD_GPIO1 (PLD_GPIO_MMGPIO_BASE + 1) +#define PLD_GPIO0 (PLD_GPIO_MMGPIO_BASE + 0) + +static struct gpio p720t_gpios[] __initconst = { + { PLD_S1_ON, GPIOF_OUT_INIT_LOW, "PLD_S1_ON" }, + { PLD_S2_ON, GPIOF_OUT_INIT_LOW, "PLD_S2_ON" }, + { PLD_S3_ON, GPIOF_OUT_INIT_LOW, "PLD_S3_ON" }, + { PLD_S4_ON, GPIOF_OUT_INIT_LOW, "PLD_S4_ON" }, + { PLD_KBD_EN, GPIOF_OUT_INIT_LOW, "PLD_KBD_EN" }, + { PLD_SPI_EN, GPIOF_OUT_INIT_LOW, "PLD_SPI_EN" }, + { PLD_IO_USER, GPIOF_OUT_INIT_LOW, "PLD_IO_USER" }, + { PLD_IO_LED0, GPIOF_OUT_INIT_LOW, "PLD_IO_LED0" }, + { PLD_IO_LED1, GPIOF_OUT_INIT_LOW, "PLD_IO_LED1" }, + { PLD_IO_LED2, GPIOF_OUT_INIT_LOW, "PLD_IO_LED2" }, + { PLD_IO_LED3, GPIOF_OUT_INIT_LOW, "PLD_IO_LED3" }, + { PLD_IO_LEDEN, GPIOF_OUT_INIT_LOW, "PLD_IO_LEDEN" }, + { PLD_IRDA_EN, GPIOF_OUT_INIT_LOW, "PLD_IRDA_EN" }, + { PLD_COM1_EN, GPIOF_OUT_INIT_HIGH, "PLD_COM1_EN" }, + { PLD_COM2_EN, GPIOF_OUT_INIT_HIGH, "PLD_COM2_EN" }, + { PLD_CODEC_EN, GPIOF_OUT_INIT_LOW, "PLD_CODEC_EN" }, + { PLD_LCDEN_EN, GPIOF_OUT_INIT_LOW, "PLD_LCDEN_EN" }, + { PLD_TCH_EN, GPIOF_OUT_INIT_LOW, "PLD_TCH_EN" }, + { P720T_USERLED,GPIOF_OUT_INIT_LOW, "USER_LED" }, +}; + +static struct resource p720t_mmgpio_resource[] __initdata = { + DEFINE_RES_MEM_NAMED(0, 4, "dat"), +}; + +static struct bgpio_pdata p720t_mmgpio_pdata = { + .ngpio = 8, +}; + +static struct platform_device p720t_mmgpio __initdata = { + .name = "basic-mmio-gpio", + .id = -1, + .resource = p720t_mmgpio_resource, + .num_resources = ARRAY_SIZE(p720t_mmgpio_resource), + .dev = { + .platform_data = &p720t_mmgpio_pdata, + }, +}; + +static void __init p720t_mmgpio_init(void __iomem *addrbase, int gpiobase) +{ + p720t_mmgpio_resource[0].start = (unsigned long)addrbase; + p720t_mmgpio_pdata.base = gpiobase; + + platform_device_register(&p720t_mmgpio); +} + +static struct { + void __iomem *addrbase; + int gpiobase; +} mmgpios[] __initconst = { + { PLD_INT, PLD_INT_MMGPIO_BASE }, + { PLD_PWR, PLD_PWR_MMGPIO_BASE }, + { PLD_KBD, PLD_KBD_MMGPIO_BASE }, + { PLD_SPI, PLD_SPI_MMGPIO_BASE }, + { PLD_IO, PLD_IO_MMGPIO_BASE }, + { PLD_IRDA, PLD_IRDA_MMGPIO_BASE }, + { PLD_COM2, PLD_COM2_MMGPIO_BASE }, + { PLD_COM1, PLD_COM1_MMGPIO_BASE }, + { PLD_AUD, PLD_AUD_MMGPIO_BASE }, + { PLD_CF, PLD_CF_MMGPIO_BASE }, + { PLD_SDC, PLD_SDC_MMGPIO_BASE }, + { PLD_CODEC, PLD_CODEC_MMGPIO_BASE }, + { PLD_BRITE, PLD_BRITE_MMGPIO_BASE }, + { PLD_LCDEN, PLD_LCDEN_MMGPIO_BASE }, + { PLD_TCH, PLD_TCH_MMGPIO_BASE }, + { PLD_GPIO, PLD_GPIO_MMGPIO_BASE }, +}; + +static struct resource p720t_nand_resource[] __initdata = { + DEFINE_RES_MEM(P720T_NAND_BASE, SZ_4), +}; + +static struct mtd_partition p720t_nand_parts[] __initdata = { + { + .name = "Flash partition 1", + .offset = 0, + .size = SZ_2M, + }, + { + .name = "Flash partition 2", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct gpio_nand_platdata p720t_nand_pdata __initdata = { + .gpio_rdy = -1, + .gpio_nce = P720T_NAND_NCE, + .gpio_ale = P720T_NAND_ALE, + .gpio_cle = P720T_NAND_CLE, + .gpio_nwp = -1, + .chip_delay = 15, + .parts = p720t_nand_parts, + .num_parts = ARRAY_SIZE(p720t_nand_parts), +}; + +static struct platform_device p720t_nand_pdev __initdata = { + .name = "gpio-nand", + .id = -1, + .resource = p720t_nand_resource, + .num_resources = ARRAY_SIZE(p720t_nand_resource), + .dev = { + .platform_data = &p720t_nand_pdata, + }, +}; + +static void p720t_lcd_power_set(struct plat_lcd_data *pd, unsigned int power) +{ + if (power) { + gpio_set_value(PLD_LCDEN_EN, 1); + gpio_set_value(PLD_S1_ON, 1); + gpio_set_value(PLD_S2_ON, 1); + gpio_set_value(PLD_S4_ON, 1); + } else { + gpio_set_value(PLD_S1_ON, 0); + gpio_set_value(PLD_S2_ON, 0); + gpio_set_value(PLD_S4_ON, 0); + gpio_set_value(PLD_LCDEN_EN, 0); + } +} + +static struct plat_lcd_data p720t_lcd_power_pdata = { + .set_power = p720t_lcd_power_set, +}; + +static void p720t_lcd_backlight_set_intensity(int intensity) +{ + gpio_set_value(PLD_S3_ON, intensity); +} + +static struct generic_bl_info p720t_lcd_backlight_pdata = { + .name = "lcd-backlight.0", + .default_intensity = 0x01, + .max_intensity = 0x01, + .set_bl_intensity = p720t_lcd_backlight_set_intensity, +}; + +static void __init +fixup_p720t(struct tag *tag, char **cmdline) +{ + /* + * Our bootloader doesn't setup any tags (yet). + */ + if (tag->hdr.tag != ATAG_CORE) { + tag->hdr.tag = ATAG_CORE; + tag->hdr.size = tag_size(tag_core); + tag->u.core.flags = 0; + tag->u.core.pagesize = PAGE_SIZE; + tag->u.core.rootdev = 0x0100; + + tag = tag_next(tag); + tag->hdr.tag = ATAG_MEM; + tag->hdr.size = tag_size(tag_mem32); + tag->u.mem.size = 4096; + tag->u.mem.start = PHYS_OFFSET; + + tag = tag_next(tag); + tag->hdr.tag = ATAG_NONE; + tag->hdr.size = 0; + } +} + +static struct gpio_led p720t_gpio_leds[] = { + { + .name = "User LED", + .default_trigger = "heartbeat", + .gpio = P720T_USERLED, + }, +}; + +static struct gpio_led_platform_data p720t_gpio_led_pdata __initdata = { + .leds = p720t_gpio_leds, + .num_leds = ARRAY_SIZE(p720t_gpio_leds), +}; + +static void __init p720t_init(void) +{ + int i; + + clps711x_devices_init(); + + for (i = 0; i < ARRAY_SIZE(mmgpios); i++) + p720t_mmgpio_init(mmgpios[i].addrbase, mmgpios[i].gpiobase); + + platform_device_register(&p720t_nand_pdev); +} + +static void __init p720t_init_late(void) +{ + WARN_ON(gpio_request_array(p720t_gpios, ARRAY_SIZE(p720t_gpios))); + + platform_device_register_data(NULL, "platform-lcd", 0, + &p720t_lcd_power_pdata, + sizeof(p720t_lcd_power_pdata)); + platform_device_register_data(NULL, "generic-bl", 0, + &p720t_lcd_backlight_pdata, + sizeof(p720t_lcd_backlight_pdata)); + platform_device_register_simple("video-clps711x", 0, NULL, 0); + platform_device_register_data(NULL, "leds-gpio", 0, + &p720t_gpio_led_pdata, + sizeof(p720t_gpio_led_pdata)); +} + +MACHINE_START(P720T, "ARM-Prospector720T") + /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ + .atag_offset = 0x100, + .fixup = fixup_p720t, + .map_io = clps711x_map_io, + .init_irq = clps711x_init_irq, + .init_time = clps711x_timer_init, + .init_machine = p720t_init, + .init_late = p720t_init_late, + .restart = clps711x_restart, +MACHINE_END |