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/gpio.h> 36#include <linux/device.h> 37#include <linux/platform_device.h> 38#include <linux/proc_fs.h> 39#include <linux/serial_core.h> 40#include <linux/io.h> 41 42#include <asm/mach/arch.h> 43#include <asm/mach/map.h> 44#include <asm/mach/irq.h> 45#include <asm/mach/flash.h> 46 47#include <mach/hardware.h> 48#include <asm/irq.h> 49#include <asm/mach-types.h> 50#include <mach/fb.h> 51 52#include <plat/regs-serial.h> 53#include <mach/regs-lcd.h> 54#include <mach/regs-gpio.h> 55 56#include <plat/iic.h> 57#include <plat/devs.h> 58#include <plat/cpu.h> 59#include <plat/gpio-cfg.h> 60 61#ifdef CONFIG_MTD_PARTITIONS 62 63#include <linux/mtd/mtd.h> 64#include <linux/mtd/partitions.h> 65#include <linux/mtd/map.h> 66#include <linux/mtd/physmap.h> 67 68static struct resource amlm5900_nor_resource = { 69 .start = 0x00000000, 70 .end = 0x01000000 - 1, 71 .flags = IORESOURCE_MEM, 72}; 73 74 75 76static struct mtd_partition amlm5900_mtd_partitions[] = { 77 { 78 .name = "System", 79 .size = 0x240000, 80 .offset = 0, 81 .mask_flags = MTD_WRITEABLE, /* force read-only */ 82 }, { 83 .name = "Kernel", 84 .size = 0x100000, 85 .offset = MTDPART_OFS_APPEND, 86 }, { 87 .name = "Ramdisk", 88 .size = 0x300000, 89 .offset = MTDPART_OFS_APPEND, 90 }, { 91 .name = "JFFS2", 92 .size = 0x9A0000, 93 .offset = MTDPART_OFS_APPEND, 94 }, { 95 .name = "Settings", 96 .size = MTDPART_SIZ_FULL, 97 .offset = MTDPART_OFS_APPEND, 98 } 99}; 100 101static struct physmap_flash_data amlm5900_flash_data = { 102 .width = 2, 103 .parts = amlm5900_mtd_partitions, 104 .nr_parts = ARRAY_SIZE(amlm5900_mtd_partitions), 105}; 106 107static struct platform_device amlm5900_device_nor = { 108 .name = "physmap-flash", 109 .id = 0, 110 .dev = { 111 .platform_data = &amlm5900_flash_data, 112 }, 113 .num_resources = 1, 114 .resource = &amlm5900_nor_resource, 115}; 116#endif 117 118static struct map_desc amlm5900_iodesc[] __initdata = { 119}; 120 121#define UCON S3C2410_UCON_DEFAULT 122#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB 123#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE 124 125static struct s3c2410_uartcfg amlm5900_uartcfgs[] = { 126 [0] = { 127 .hwport = 0, 128 .flags = 0, 129 .ucon = UCON, 130 .ulcon = ULCON, 131 .ufcon = UFCON, 132 }, 133 [1] = { 134 .hwport = 1, 135 .flags = 0, 136 .ucon = UCON, 137 .ulcon = ULCON, 138 .ufcon = UFCON, 139 }, 140 [2] = { 141 .hwport = 2, 142 .flags = 0, 143 .ucon = UCON, 144 .ulcon = ULCON, 145 .ufcon = UFCON, 146 } 147}; 148 149 150static struct platform_device *amlm5900_devices[] __initdata = { 151#ifdef CONFIG_FB_S3C2410 152 &s3c_device_lcd, 153#endif 154 &s3c_device_adc, 155 &s3c_device_wdt, 156 &s3c_device_i2c0, 157 &s3c_device_ohci, 158 &s3c_device_rtc, 159 &s3c_device_usbgadget, 160 &s3c_device_sdi, 161#ifdef CONFIG_MTD_PARTITIONS 162 &amlm5900_device_nor, 163#endif 164}; 165 166static void __init amlm5900_map_io(void) 167{ 168 s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc)); 169 s3c24xx_init_clocks(0); 170 s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs)); 171} 172 173#ifdef CONFIG_FB_S3C2410 174static struct s3c2410fb_display __initdata amlm5900_lcd_info = { 175 .width = 160, 176 .height = 160, 177 178 .type = S3C2410_LCDCON1_STN4, 179 180 .pixclock = 680000, /* HCLK = 100MHz */ 181 .xres = 160, 182 .yres = 160, 183 .bpp = 4, 184 .left_margin = 1 << (4 + 3), 185 .right_margin = 8 << 3, 186 .hsync_len = 48, 187 .upper_margin = 0, 188 .lower_margin = 0, 189 190 .lcdcon5 = 0x00000001, 191}; 192 193static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = { 194 195 .displays = &amlm5900_lcd_info, 196 .num_displays = 1, 197 .default_display = 0, 198 199 .gpccon = 0xaaaaaaaa, 200 .gpccon_mask = 0xffffffff, 201 .gpcup = 0x0000ffff, 202 .gpcup_mask = 0xffffffff, 203 204 .gpdcon = 0xaaaaaaaa, 205 .gpdcon_mask = 0xffffffff, 206 .gpdup = 0x0000ffff, 207 .gpdup_mask = 0xffffffff, 208}; 209#endif 210 211static irqreturn_t 212amlm5900_wake_interrupt(int irq, void *ignored) 213{ 214 return IRQ_HANDLED; 215} 216 217static void amlm5900_init_pm(void) 218{ 219 int ret = 0; 220 221 ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt, 222 IRQF_TRIGGER_RISING | IRQF_SHARED, 223 "amlm5900_wakeup", &amlm5900_wake_interrupt); 224 if (ret != 0) { 225 printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret); 226 } else { 227 enable_irq_wake(IRQ_EINT9); 228 /* configure the suspend/resume status pin */ 229 s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); 230 s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP); 231 } 232} 233static void __init amlm5900_init(void) 234{ 235 amlm5900_init_pm(); 236#ifdef CONFIG_FB_S3C2410 237 s3c24xx_fb_set_platdata(&amlm5900_fb_info); 238#endif 239 s3c_i2c0_set_platdata(NULL); 240 platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); 241} 242 243MACHINE_START(AML_M5900, "AML_M5900") 244 .phys_io = S3C2410_PA_UART, 245 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, 246 .boot_params = S3C2410_SDRAM_PA + 0x100, 247 .map_io = amlm5900_map_io, 248 .init_irq = s3c24xx_init_irq, 249 .init_machine = amlm5900_init, 250 .timer = &s3c24xx_timer, 251MACHINE_END 252