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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-29 01:40:39 +0400 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-29 01:40:39 +0400 |
commit | ebdea46fecae40c4d7effcd33f40918a37a1df4b (patch) | |
tree | e4312bf7f1f3d184738963a0ec300aa9fdfd55c1 /arch/arm/mach-s3c2410/mach-amlm5900.c | |
parent | fecf3404f4aba6d0edeba31eeb018cbb6326dff2 (diff) | |
parent | 250d375d1da45a5e08ab8baf5eaa7eb258afd82b (diff) | |
download | linux-ebdea46fecae40c4d7effcd33f40918a37a1df4b.tar.xz |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (130 commits)
[ARM] 3856/1: Add clocksource for Intel IXP4xx platforms
[ARM] 3855/1: Add generic time support
[ARM] 3873/1: S3C24XX: Add irq_chip names
[ARM] 3872/1: S3C24XX: Apply consistant tabbing to irq_chips
[ARM] 3871/1: S3C24XX: Fix ordering of EINT4..23
[ARM] nommu: confirms the CR_V bit in nommu mode
[ARM] nommu: abort handler fixup for !CPU_CP15_MMU cores.
[ARM] 3870/1: AT91: Start removing static memory mappings
[ARM] 3869/1: AT91: NAND support for DK and KB9202 boards
[ARM] 3868/1: AT91 hardware header update
[ARM] 3867/1: AT91 GPIO update
[ARM] 3866/1: AT91 clock update
[ARM] 3865/1: AT91RM9200 header updates
[ARM] 3862/2: S3C2410 - add basic power management support for AML M5900 series
[ARM] kthread: switch arch/arm/kernel/apm.c
[ARM] Off-by-one in arch/arm/common/icst*
[ARM] 3864/1: Refactore sharpsl_pm
[ARM] 3863/1: Add Locomo SPI Device
[ARM] 3847/2: Convert LOMOMO to use struct device for GPIOs
[ARM] Use CPU_CACHE_* where possible in asm/cacheflush.h
...
Diffstat (limited to 'arch/arm/mach-s3c2410/mach-amlm5900.c')
-rw-r--r-- | arch/arm/mach-s3c2410/mach-amlm5900.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c new file mode 100644 index 000000000000..ba5109af40b4 --- /dev/null +++ b/arch/arm/mach-s3c2410/mach-amlm5900.c @@ -0,0 +1,266 @@ +/*********************************************************************** + * + * linux/arch/arm/mach-s3c2410/mach-amlm5900.c + * + * Copyright (c) 2006 American Microsystems Limited + * David Anders <danders@amltd.com> + + * 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 + * + * @History: + * derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by + * Ben Dooks <ben@simtec.co.uk> + * + ***********************************************************************/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/proc_fs.h> + + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach/flash.h> + +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/mach-types.h> +#include <asm/arch/fb.h> + +#include <asm/arch/regs-serial.h> +#include <asm/arch/regs-lcd.h> +#include <asm/arch/regs-gpio.h> + +#include "devs.h" +#include "cpu.h" + +#ifdef CONFIG_MTD_PARTITIONS + +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/map.h> +#include <linux/mtd/physmap.h> + +static struct resource amlm5900_nor_resource = { + .start = 0x00000000, + .end = 0x01000000 - 1, + .flags = IORESOURCE_MEM, +}; + + + +static struct mtd_partition amlm5900_mtd_partitions[] = { + { + .name = "System", + .size = 0x240000, + .offset = 0, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, { + .name = "Kernel", + .size = 0x100000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "Ramdisk", + .size = 0x300000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "JFFS2", + .size = 0x9A0000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "Settings", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + } +}; + +static struct physmap_flash_data amlm5900_flash_data = { + .width = 2, + .parts = amlm5900_mtd_partitions, + .nr_parts = ARRAY_SIZE(amlm5900_mtd_partitions), +}; + +static struct platform_device amlm5900_device_nor = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &amlm5900_flash_data, + }, + .num_resources = 1, + .resource = &amlm5900_nor_resource, +}; +#endif + +static struct map_desc amlm5900_iodesc[] __initdata = { + { + .virtual = (u32)S3C24XX_VA_SPI, + .pfn = __phys_to_pfn(S3C2410_PA_SPI), + .length = SZ_1M, + .type = MT_DEVICE + } +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg amlm5900_uartcfgs[] = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + } +}; + + +static struct platform_device *amlm5900_devices[] __initdata = { +#ifdef CONFIG_FB_S3C2410 + &s3c_device_lcd, +#endif + &s3c_device_adc, + &s3c_device_wdt, + &s3c_device_i2c, + &s3c_device_usb, + &s3c_device_rtc, + &s3c_device_usbgadget, + &s3c_device_sdi, +#ifdef CONFIG_MTD_PARTITIONS + &amlm5900_device_nor, +#endif +}; + +static struct s3c24xx_board amlm5900_board __initdata = { + .devices = amlm5900_devices, + .devices_count = ARRAY_SIZE(amlm5900_devices) +}; + +void __init amlm5900_map_io(void) +{ + s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc)); + s3c24xx_init_clocks(0); + s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs)); + s3c24xx_set_board(&amlm5900_board); +} + +#ifdef CONFIG_FB_S3C2410 +static struct s3c2410fb_mach_info __initdata amlm5900_lcd_info = { + .width = 160, + .height = 160, + +/* commented out until stn patch is submitted +* .type = S3C2410_LCDCON1_STN4, +*/ + .gpccon = 0xaaaaaaaa, + .gpccon_mask = 0xffffffff, + .gpcup = 0x0000ffff, + .gpcup_mask = 0xffffffff, + + .gpdcon = 0xaaaaaaaa, + .gpdcon_mask = 0xffffffff, + .gpdup = 0x0000ffff, + .gpdup_mask = 0xffffffff, + + .xres = { + .min = 160, + .max = 160, + .defval = 160, + }, + + .yres = { + .min = 160, + .max = 160, + .defval = 160, + }, + + .bpp = { + .min = 4, + .max = 4, + .defval = 4, + }, + + .regs = { + .lcdcon1 = 0x00008225, + .lcdcon2 = 0x0027c000, + .lcdcon3 = 0x00182708, + .lcdcon4 = 0x00000002, + .lcdcon5 = 0x00000001, + } +}; +#endif + +static irqreturn_t +amlm5900_wake_interrupt(int irq, void *ignored, struct pt_regs *regs) +{ + return IRQ_HANDLED; +} + +static void amlm5900_init_pm(void) +{ + int ret = 0; + + ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt, + IRQF_TRIGGER_RISING | IRQF_SHARED, + "amlm5900_wakeup", &amlm5900_wake_interrupt); + if (ret != 0) { + printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret); + } else { + enable_irq_wake(IRQ_EINT9); + /* configure the suspend/resume status pin */ + s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP); + s3c2410_gpio_pullup(S3C2410_GPF2, 0); + } +} +static void __init amlm5900_init(void) +{ + amlm5900_init_pm(); +#ifdef CONFIG_FB_S3C2410 + s3c24xx_fb_set_platdata(&amlm5900_lcd_info); +#endif +} + +MACHINE_START(AML_M5900, "AML_M5900") + .phys_io = S3C2410_PA_UART, + .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, + .boot_params = S3C2410_SDRAM_PA + 0x100, + .map_io = amlm5900_map_io, + .init_irq = s3c24xx_init_irq, + .init_machine = amlm5900_init, + .timer = &s3c24xx_timer, +MACHINE_END |