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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 | |
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 = { |
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, |
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 | |
166 | static 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 |
174 | static 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 | |
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 | |
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 | |
211 | static irqreturn_t |
212 | amlm5900_wake_interrupt(int irq, void *ignored) |
213 | { |
214 | return IRQ_HANDLED; |
215 | } |
216 | |
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 */ |
229 | s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); |
230 | s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP); |
231 | } |
232 | } |
233 | static 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 | |
243 | MACHINE_START(AML_M5900, "AML_M5900") |
244 | .boot_params = S3C2410_SDRAM_PA + 0x100, |
245 | .map_io = amlm5900_map_io, |
246 | .init_irq = s3c24xx_init_irq, |
247 | .init_machine = amlm5900_init, |
248 | .timer = &s3c24xx_timer, |
249 | MACHINE_END |
250 |
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