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0010 #include <linux/kernel.h>
0011 #include <linux/types.h>
0012 #include <linux/interrupt.h>
0013 #include <linux/list.h>
0014 #include <linux/timer.h>
0015 #include <linux/init.h>
0016 #include <linux/gpio/machine.h>
0017 #include <linux/gpio.h>
0018 #include <linux/device.h>
0019 #include <linux/platform_device.h>
0020 #include <linux/proc_fs.h>
0021 #include <linux/serial_core.h>
0022 #include <linux/serial_s3c.h>
0023 #include <linux/io.h>
0024
0025 #include <asm/mach/arch.h>
0026 #include <asm/mach/map.h>
0027 #include <asm/mach/irq.h>
0028 #include <asm/mach/flash.h>
0029
0030 #include <asm/irq.h>
0031 #include <asm/mach-types.h>
0032 #include <linux/platform_data/fb-s3c2410.h>
0033
0034 #include "regs-gpio.h"
0035 #include "gpio-samsung.h"
0036
0037 #include <linux/platform_data/i2c-s3c2410.h>
0038 #include "devs.h"
0039 #include "cpu.h"
0040 #include "gpio-cfg.h"
0041
0042 #include <linux/mtd/mtd.h>
0043 #include <linux/mtd/partitions.h>
0044 #include <linux/mtd/map.h>
0045 #include <linux/mtd/physmap.h>
0046
0047 #include "s3c24xx.h"
0048
0049 static struct resource amlm5900_nor_resource =
0050 DEFINE_RES_MEM(0x00000000, SZ_16M);
0051
0052 static struct mtd_partition amlm5900_mtd_partitions[] = {
0053 {
0054 .name = "System",
0055 .size = 0x240000,
0056 .offset = 0,
0057 .mask_flags = MTD_WRITEABLE,
0058 }, {
0059 .name = "Kernel",
0060 .size = 0x100000,
0061 .offset = MTDPART_OFS_APPEND,
0062 }, {
0063 .name = "Ramdisk",
0064 .size = 0x300000,
0065 .offset = MTDPART_OFS_APPEND,
0066 }, {
0067 .name = "JFFS2",
0068 .size = 0x9A0000,
0069 .offset = MTDPART_OFS_APPEND,
0070 }, {
0071 .name = "Settings",
0072 .size = MTDPART_SIZ_FULL,
0073 .offset = MTDPART_OFS_APPEND,
0074 }
0075 };
0076
0077 static struct physmap_flash_data amlm5900_flash_data = {
0078 .width = 2,
0079 .parts = amlm5900_mtd_partitions,
0080 .nr_parts = ARRAY_SIZE(amlm5900_mtd_partitions),
0081 };
0082
0083 static struct platform_device amlm5900_device_nor = {
0084 .name = "physmap-flash",
0085 .id = 0,
0086 .dev = {
0087 .platform_data = &amlm5900_flash_data,
0088 },
0089 .num_resources = 1,
0090 .resource = &amlm5900_nor_resource,
0091 };
0092
0093 static struct map_desc amlm5900_iodesc[] __initdata = {
0094 };
0095
0096 #define UCON S3C2410_UCON_DEFAULT
0097 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
0098 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
0099
0100 static struct s3c2410_uartcfg amlm5900_uartcfgs[] = {
0101 [0] = {
0102 .hwport = 0,
0103 .flags = 0,
0104 .ucon = UCON,
0105 .ulcon = ULCON,
0106 .ufcon = UFCON,
0107 },
0108 [1] = {
0109 .hwport = 1,
0110 .flags = 0,
0111 .ucon = UCON,
0112 .ulcon = ULCON,
0113 .ufcon = UFCON,
0114 },
0115 [2] = {
0116 .hwport = 2,
0117 .flags = 0,
0118 .ucon = UCON,
0119 .ulcon = ULCON,
0120 .ufcon = UFCON,
0121 }
0122 };
0123
0124 static struct gpiod_lookup_table amlm5900_mmc_gpio_table = {
0125 .dev_id = "s3c2410-sdi",
0126 .table = {
0127
0128 GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH),
0129 GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH),
0130 GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH),
0131 GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH),
0132 GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH),
0133 GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
0134 { },
0135 },
0136 };
0137
0138 static struct platform_device *amlm5900_devices[] __initdata = {
0139 #ifdef CONFIG_FB_S3C2410
0140 &s3c_device_lcd,
0141 #endif
0142 &s3c_device_adc,
0143 &s3c_device_wdt,
0144 &s3c_device_i2c0,
0145 &s3c_device_ohci,
0146 &s3c_device_rtc,
0147 &s3c_device_usbgadget,
0148 &s3c_device_sdi,
0149 &amlm5900_device_nor,
0150 };
0151
0152 static void __init amlm5900_map_io(void)
0153 {
0154 s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc));
0155 s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs));
0156 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
0157 }
0158
0159 static void __init amlm5900_init_time(void)
0160 {
0161 s3c2410_init_clocks(12000000);
0162 s3c24xx_timer_init();
0163 }
0164
0165 #ifdef CONFIG_FB_S3C2410
0166 static struct s3c2410fb_display __initdata amlm5900_lcd_info = {
0167 .width = 160,
0168 .height = 160,
0169
0170 .type = S3C2410_LCDCON1_STN4,
0171
0172 .pixclock = 680000,
0173 .xres = 160,
0174 .yres = 160,
0175 .bpp = 4,
0176 .left_margin = 1 << (4 + 3),
0177 .right_margin = 8 << 3,
0178 .hsync_len = 48,
0179 .upper_margin = 0,
0180 .lower_margin = 0,
0181
0182 .lcdcon5 = 0x00000001,
0183 };
0184
0185 static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = {
0186
0187 .displays = &amlm5900_lcd_info,
0188 .num_displays = 1,
0189 .default_display = 0,
0190
0191 .gpccon = 0xaaaaaaaa,
0192 .gpccon_mask = 0xffffffff,
0193 .gpccon_reg = S3C2410_GPCCON,
0194 .gpcup = 0x0000ffff,
0195 .gpcup_mask = 0xffffffff,
0196 .gpcup_reg = S3C2410_GPCUP,
0197
0198 .gpdcon = 0xaaaaaaaa,
0199 .gpdcon_mask = 0xffffffff,
0200 .gpdcon_reg = S3C2410_GPDCON,
0201 .gpdup = 0x0000ffff,
0202 .gpdup_mask = 0xffffffff,
0203 .gpdup_reg = S3C2410_GPDUP,
0204 };
0205 #endif
0206
0207 static irqreturn_t
0208 amlm5900_wake_interrupt(int irq, void *ignored)
0209 {
0210 return IRQ_HANDLED;
0211 }
0212
0213 static void amlm5900_init_pm(void)
0214 {
0215 int ret = 0;
0216
0217 ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt,
0218 IRQF_TRIGGER_RISING | IRQF_SHARED,
0219 "amlm5900_wakeup", &amlm5900_wake_interrupt);
0220 if (ret != 0) {
0221 printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret);
0222 } else {
0223 enable_irq_wake(IRQ_EINT9);
0224
0225 s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT);
0226 s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP);
0227 }
0228 }
0229 static void __init amlm5900_init(void)
0230 {
0231 amlm5900_init_pm();
0232 #ifdef CONFIG_FB_S3C2410
0233 s3c24xx_fb_set_platdata(&amlm5900_fb_info);
0234 #endif
0235 s3c_i2c0_set_platdata(NULL);
0236 gpiod_add_lookup_table(&amlm5900_mmc_gpio_table);
0237 platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices));
0238 }
0239
0240 MACHINE_START(AML_M5900, "AML_M5900")
0241 .atag_offset = 0x100,
0242 .nr_irqs = NR_IRQS_S3C2410,
0243 .map_io = amlm5900_map_io,
0244 .nr_irqs = NR_IRQS_S3C2410,
0245 .init_irq = s3c2410_init_irq,
0246 .init_machine = amlm5900_init,
0247 .init_time = amlm5900_init_time,
0248 MACHINE_END
