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a21765a7 | 1 | /* linux/arch/arm/mach-s3c2410/mach-amlm5900.c |
da56c949 DA |
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> | |
ec976d6e | 35 | #include <linux/gpio.h> |
da56c949 DA |
36 | #include <linux/device.h> |
37 | #include <linux/platform_device.h> | |
38 | #include <linux/proc_fs.h> | |
1b8fc188 | 39 | #include <linux/serial_core.h> |
fced80c7 | 40 | #include <linux/io.h> |
da56c949 DA |
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 | ||
a09e64fb | 47 | #include <mach/hardware.h> |
da56c949 DA |
48 | #include <asm/irq.h> |
49 | #include <asm/mach-types.h> | |
a09e64fb | 50 | #include <mach/fb.h> |
da56c949 | 51 | |
a2b7ba9c | 52 | #include <plat/regs-serial.h> |
a09e64fb RK |
53 | #include <mach/regs-lcd.h> |
54 | #include <mach/regs-gpio.h> | |
da56c949 | 55 | |
3e1b776c | 56 | #include <plat/iic.h> |
a2b7ba9c BD |
57 | #include <plat/devs.h> |
58 | #include <plat/cpu.h> | |
40b956f0 | 59 | #include <plat/gpio-cfg.h> |
da56c949 DA |
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 | ||
68 | static struct resource amlm5900_nor_resource = { | |
69 | .start = 0x00000000, | |
70 | .end = 0x01000000 - 1, | |
71 | .flags = IORESOURCE_MEM, | |
72 | }; | |
73 | ||
74 | ||
75 | ||
76 | static 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 | ||
101 | static 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 | ||
107 | static 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 | ||
118 | static struct map_desc amlm5900_iodesc[] __initdata = { | |
da56c949 DA |
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 | ||
125 | static 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 | ||
150 | static 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, | |
3e1b776c | 156 | &s3c_device_i2c0, |
b813248c | 157 | &s3c_device_ohci, |
da56c949 DA |
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 | ||
e078761a | 166 | static void __init amlm5900_map_io(void) |
da56c949 DA |
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)); | |
da56c949 DA |
171 | } |
172 | ||
173 | #ifdef CONFIG_FB_S3C2410 | |
09fe75f6 | 174 | static struct s3c2410fb_display __initdata amlm5900_lcd_info = { |
da56c949 DA |
175 | .width = 160, |
176 | .height = 160, | |
177 | ||
1f411537 KH |
178 | .type = S3C2410_LCDCON1_STN4, |
179 | ||
69816699 | 180 | .pixclock = 680000, /* HCLK = 100MHz */ |
09fe75f6 KH |
181 | .xres = 160, |
182 | .yres = 160, | |
183 | .bpp = 4, | |
1f411537 KH |
184 | .left_margin = 1 << (4 + 3), |
185 | .right_margin = 8 << 3, | |
93d11f5a | 186 | .hsync_len = 48, |
5f20f69b KH |
187 | .upper_margin = 0, |
188 | .lower_margin = 0, | |
09fe75f6 | 189 | |
f28ef573 | 190 | .lcdcon5 = 0x00000001, |
09fe75f6 KH |
191 | }; |
192 | ||
193 | static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = { | |
194 | ||
195 | .displays = &amlm5900_lcd_info, | |
196 | .num_displays = 1, | |
197 | .default_display = 0, | |
198 | ||
da56c949 DA |
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, | |
da56c949 DA |
208 | }; |
209 | #endif | |
210 | ||
26f90818 | 211 | static irqreturn_t |
0cd61b68 | 212 | amlm5900_wake_interrupt(int irq, void *ignored) |
da56c949 | 213 | { |
26f90818 DA |
214 | return IRQ_HANDLED; |
215 | } | |
da56c949 | 216 | |
26f90818 DA |
217 | static 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 */ | |
40b956f0 | 229 | s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); |
fb378747 | 230 | s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP); |
26f90818 DA |
231 | } |
232 | } | |
233 | static void __init amlm5900_init(void) | |
234 | { | |
235 | amlm5900_init_pm(); | |
da56c949 | 236 | #ifdef CONFIG_FB_S3C2410 |
09fe75f6 | 237 | s3c24xx_fb_set_platdata(&amlm5900_fb_info); |
da56c949 | 238 | #endif |
3e1b776c | 239 | s3c_i2c0_set_platdata(NULL); |
57e5171c | 240 | platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); |
da56c949 DA |
241 | } |
242 | ||
243 | MACHINE_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, | |
251 | MACHINE_END |