| /* linux/arch/arm/mach-s3c2410/mach-amlm5900.c |
| * |
| * 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/gpio.h> |
| #include <linux/device.h> |
| #include <linux/platform_device.h> |
| #include <linux/proc_fs.h> |
| #include <linux/serial_core.h> |
| #include <linux/serial_s3c.h> |
| #include <linux/io.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/irq.h> |
| #include <asm/mach/flash.h> |
| |
| #include <mach/hardware.h> |
| #include <asm/irq.h> |
| #include <asm/mach-types.h> |
| #include <mach/fb.h> |
| |
| #include <mach/regs-lcd.h> |
| #include <mach/regs-gpio.h> |
| #include <mach/gpio-samsung.h> |
| |
| #include <linux/platform_data/i2c-s3c2410.h> |
| #include <plat/devs.h> |
| #include <plat/cpu.h> |
| #include <plat/gpio-cfg.h> |
| |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/mtd/map.h> |
| #include <linux/mtd/physmap.h> |
| |
| #include <plat/samsung-time.h> |
| |
| #include "common.h" |
| |
| static struct resource amlm5900_nor_resource = |
| DEFINE_RES_MEM(0x00000000, SZ_16M); |
| |
| 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, |
| }; |
| |
| static struct map_desc amlm5900_iodesc[] __initdata = { |
| }; |
| |
| #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_i2c0, |
| &s3c_device_ohci, |
| &s3c_device_rtc, |
| &s3c_device_usbgadget, |
| &s3c_device_sdi, |
| &amlm5900_device_nor, |
| }; |
| |
| static void __init amlm5900_map_io(void) |
| { |
| s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc)); |
| s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs)); |
| samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); |
| } |
| |
| static void __init amlm5900_init_time(void) |
| { |
| s3c2410_init_clocks(12000000); |
| samsung_timer_init(); |
| } |
| |
| #ifdef CONFIG_FB_S3C2410 |
| static struct s3c2410fb_display __initdata amlm5900_lcd_info = { |
| .width = 160, |
| .height = 160, |
| |
| .type = S3C2410_LCDCON1_STN4, |
| |
| .pixclock = 680000, /* HCLK = 100MHz */ |
| .xres = 160, |
| .yres = 160, |
| .bpp = 4, |
| .left_margin = 1 << (4 + 3), |
| .right_margin = 8 << 3, |
| .hsync_len = 48, |
| .upper_margin = 0, |
| .lower_margin = 0, |
| |
| .lcdcon5 = 0x00000001, |
| }; |
| |
| static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = { |
| |
| .displays = &amlm5900_lcd_info, |
| .num_displays = 1, |
| .default_display = 0, |
| |
| .gpccon = 0xaaaaaaaa, |
| .gpccon_mask = 0xffffffff, |
| .gpcup = 0x0000ffff, |
| .gpcup_mask = 0xffffffff, |
| |
| .gpdcon = 0xaaaaaaaa, |
| .gpdcon_mask = 0xffffffff, |
| .gpdup = 0x0000ffff, |
| .gpdup_mask = 0xffffffff, |
| }; |
| #endif |
| |
| static irqreturn_t |
| amlm5900_wake_interrupt(int irq, void *ignored) |
| { |
| 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 */ |
| s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); |
| s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP); |
| } |
| } |
| static void __init amlm5900_init(void) |
| { |
| amlm5900_init_pm(); |
| #ifdef CONFIG_FB_S3C2410 |
| s3c24xx_fb_set_platdata(&amlm5900_fb_info); |
| #endif |
| s3c_i2c0_set_platdata(NULL); |
| platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); |
| } |
| |
| MACHINE_START(AML_M5900, "AML_M5900") |
| .atag_offset = 0x100, |
| .map_io = amlm5900_map_io, |
| .init_irq = s3c2410_init_irq, |
| .init_machine = amlm5900_init, |
| .init_time = amlm5900_init_time, |
| .restart = s3c2410_restart, |
| MACHINE_END |