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arch/arm/mach-clps711x/board-p720t.c
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/* * 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 */ |
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#include <linux/kernel.h> #include <linux/init.h> #include <linux/types.h> #include <linux/string.h> #include <linux/mm.h> |
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#include <linux/io.h> |
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#include <linux/gpio.h> |
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#include <linux/slab.h> #include <linux/leds.h> |
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#include <linux/sizes.h> #include <linux/backlight.h> |
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#include <linux/basic_mmio_gpio.h> |
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#include <linux/platform_device.h> |
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#include <linux/mtd/partitions.h> #include <linux/mtd/nand-gpio.h> |
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#include <mach/hardware.h> |
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#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> |
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#include <video/platform_lcd.h> |
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#include "common.h" |
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#include "devices.h" |
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#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) |
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#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 }, }; |
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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, }, }; |
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static void p720t_lcd_power_set(struct plat_lcd_data *pd, unsigned int power) { if (power) { |
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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); |
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} else { |
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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); |
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} } static struct plat_lcd_data p720t_lcd_power_pdata = { .set_power = p720t_lcd_power_set, }; |
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static void p720t_lcd_backlight_set_intensity(int intensity) { |
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gpio_set_value(PLD_S3_ON, intensity); |
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} 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, }; |
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static void __init |
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fixup_p720t(struct tag *tag, char **cmdline) |
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{ /* * 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; } } |
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static struct gpio_led p720t_gpio_leds[] = { { .name = "User LED", .default_trigger = "heartbeat", |
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.gpio = P720T_USERLED, |
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}, }; |
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static struct gpio_led_platform_data p720t_gpio_led_pdata __initdata = { .leds = p720t_gpio_leds, .num_leds = ARRAY_SIZE(p720t_gpio_leds), }; |
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static void __init p720t_init(void) { |
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int i; |
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clps711x_devices_init(); |
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for (i = 0; i < ARRAY_SIZE(mmgpios); i++) p720t_mmgpio_init(mmgpios[i].addrbase, mmgpios[i].gpiobase); platform_device_register(&p720t_nand_pdev); |
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} static void __init p720t_init_late(void) { |
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WARN_ON(gpio_request_array(p720t_gpios, ARRAY_SIZE(p720t_gpios))); |
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platform_device_register_data(NULL, "platform-lcd", 0, |
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&p720t_lcd_power_pdata, sizeof(p720t_lcd_power_pdata)); |
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platform_device_register_data(NULL, "generic-bl", 0, |
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&p720t_lcd_backlight_pdata, sizeof(p720t_lcd_backlight_pdata)); |
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platform_device_register_simple("video-clps711x", 0, NULL, 0); |
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platform_device_register_data(NULL, "leds-gpio", 0, |
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&p720t_gpio_led_pdata, sizeof(p720t_gpio_led_pdata)); |
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} |
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MACHINE_START(P720T, "ARM-Prospector720T") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ .atag_offset = 0x100, .fixup = fixup_p720t, |
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.map_io = clps711x_map_io, |
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.init_irq = clps711x_init_irq, |
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.init_time = clps711x_timer_init, |
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.init_machine = p720t_init, |
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.init_late = p720t_init_late, |
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.restart = clps711x_restart, MACHINE_END |