1/* linux/arch/arm/mach-s3c2410/mach-amlm5900.c 2 * 3 * linux/arch/arm/mach-s3c2410/mach-amlm5900.c 4 * 5 * Copyright (c) 2006 American Microsystems Limited 6 * David Anders <danders@amltd.com> 7 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 * 23 * @History: 24 * derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by 25 * Ben Dooks <ben@simtec.co.uk> 26 * 27 ***********************************************************************/ 28 29#include <linux/kernel.h> 30#include <linux/types.h> 31#include <linux/interrupt.h> 32#include <linux/list.h> 33#include <linux/timer.h> 34#include <linux/init.h> 35#include <linux/device.h> 36#include <linux/platform_device.h> 37#include <linux/proc_fs.h> 38#include <linux/serial_core.h> 39 40#include <asm/mach/arch.h> 41#include <asm/mach/map.h> 42#include <asm/mach/irq.h> 43#include <asm/mach/flash.h> 44 45#include <asm/hardware.h> 46#include <asm/io.h> 47#include <asm/irq.h> 48#include <asm/mach-types.h> 49#include <asm/arch/fb.h> 50 51#include <asm/arch/regs-serial.h> 52#include <asm/arch/regs-lcd.h> 53#include <asm/arch/regs-gpio.h> 54 55#include <asm/plat-s3c24xx/devs.h> 56#include <asm/plat-s3c24xx/cpu.h> 57 58#ifdef CONFIG_MTD_PARTITIONS 59 60#include <linux/mtd/mtd.h> 61#include <linux/mtd/partitions.h> 62#include <linux/mtd/map.h> 63#include <linux/mtd/physmap.h> 64 65static struct resource amlm5900_nor_resource = { 66 .start = 0x00000000, 67 .end = 0x01000000 - 1, 68 .flags = IORESOURCE_MEM, 69}; 70 71 72 73static struct mtd_partition amlm5900_mtd_partitions[] = { 74 { 75 .name = "System", 76 .size = 0x240000, 77 .offset = 0, 78 .mask_flags = MTD_WRITEABLE, /* force read-only */ 79 }, { 80 .name = "Kernel", 81 .size = 0x100000, 82 .offset = MTDPART_OFS_APPEND, 83 }, { 84 .name = "Ramdisk", 85 .size = 0x300000, 86 .offset = MTDPART_OFS_APPEND, 87 }, { 88 .name = "JFFS2", 89 .size = 0x9A0000, 90 .offset = MTDPART_OFS_APPEND, 91 }, { 92 .name = "Settings", 93 .size = MTDPART_SIZ_FULL, 94 .offset = MTDPART_OFS_APPEND, 95 } 96}; 97 98static struct physmap_flash_data amlm5900_flash_data = { 99 .width = 2, 100 .parts = amlm5900_mtd_partitions, 101 .nr_parts = ARRAY_SIZE(amlm5900_mtd_partitions), 102}; 103 104static struct platform_device amlm5900_device_nor = { 105 .name = "physmap-flash", 106 .id = 0, 107 .dev = { 108 .platform_data = &amlm5900_flash_data, 109 }, 110 .num_resources = 1, 111 .resource = &amlm5900_nor_resource, 112}; 113#endif 114 115static struct map_desc amlm5900_iodesc[] __initdata = { 116}; 117 118#define UCON S3C2410_UCON_DEFAULT 119#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB 120#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE 121 122static struct s3c2410_uartcfg amlm5900_uartcfgs[] = { 123 [0] = { 124 .hwport = 0, 125 .flags = 0, 126 .ucon = UCON, 127 .ulcon = ULCON, 128 .ufcon = UFCON, 129 }, 130 [1] = { 131 .hwport = 1, 132 .flags = 0, 133 .ucon = UCON, 134 .ulcon = ULCON, 135 .ufcon = UFCON, 136 }, 137 [2] = { 138 .hwport = 2, 139 .flags = 0, 140 .ucon = UCON, 141 .ulcon = ULCON, 142 .ufcon = UFCON, 143 } 144}; 145 146 147static struct platform_device *amlm5900_devices[] __initdata = { 148#ifdef CONFIG_FB_S3C2410 149 &s3c_device_lcd, 150#endif 151 &s3c_device_adc, 152 &s3c_device_wdt, 153 &s3c_device_i2c, 154 &s3c_device_usb, 155 &s3c_device_rtc, 156 &s3c_device_usbgadget, 157 &s3c_device_sdi, 158#ifdef CONFIG_MTD_PARTITIONS 159 &amlm5900_device_nor, 160#endif 161}; 162 163static void __init amlm5900_map_io(void) 164{ 165 s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc)); 166 s3c24xx_init_clocks(0); 167 s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs)); 168} 169 170#ifdef CONFIG_FB_S3C2410 171static struct s3c2410fb_mach_info __initdata amlm5900_lcd_info = { 172 .width = 160, 173 .height = 160, 174 175/* commented out until stn patch is submitted 176* .type = S3C2410_LCDCON1_STN4, 177*/ 178 .gpccon = 0xaaaaaaaa, 179 .gpccon_mask = 0xffffffff, 180 .gpcup = 0x0000ffff, 181 .gpcup_mask = 0xffffffff, 182 183 .gpdcon = 0xaaaaaaaa, 184 .gpdcon_mask = 0xffffffff, 185 .gpdup = 0x0000ffff, 186 .gpdup_mask = 0xffffffff, 187 188 .xres = { 189 .min = 160, 190 .max = 160, 191 .defval = 160, 192 }, 193 194 .yres = { 195 .min = 160, 196 .max = 160, 197 .defval = 160, 198 }, 199 200 .bpp = { 201 .min = 4, 202 .max = 4, 203 .defval = 4, 204 }, 205 206 .regs = { 207 .lcdcon1 = 0x00008225, 208 .lcdcon2 = 0x0027c000, 209 .lcdcon3 = 0x00182708, 210 .lcdcon4 = 0x00000002, 211 .lcdcon5 = 0x00000001, 212 } 213}; 214#endif 215 216static irqreturn_t 217amlm5900_wake_interrupt(int irq, void *ignored) 218{ 219 return IRQ_HANDLED; 220} 221 222static void amlm5900_init_pm(void) 223{ 224 int ret = 0; 225 226 ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt, 227 IRQF_TRIGGER_RISING | IRQF_SHARED, 228 "amlm5900_wakeup", &amlm5900_wake_interrupt); 229 if (ret != 0) { 230 printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret); 231 } else { 232 enable_irq_wake(IRQ_EINT9); 233 /* configure the suspend/resume status pin */ 234 s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP); 235 s3c2410_gpio_pullup(S3C2410_GPF2, 0); 236 } 237} 238static void __init amlm5900_init(void) 239{ 240 amlm5900_init_pm(); 241#ifdef CONFIG_FB_S3C2410 242 s3c24xx_fb_set_platdata(&amlm5900_lcd_info); 243#endif 244 platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); 245} 246 247MACHINE_START(AML_M5900, "AML_M5900") 248 .phys_io = S3C2410_PA_UART, 249 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, 250 .boot_params = S3C2410_SDRAM_PA + 0x100, 251 .map_io = amlm5900_map_io, 252 .init_irq = s3c24xx_init_irq, 253 .init_machine = amlm5900_init, 254 .timer = &s3c24xx_timer, 255MACHINE_END 256