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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> | |
35 | #include <linux/device.h> | |
36 | #include <linux/platform_device.h> | |
37 | #include <linux/proc_fs.h> | |
1b8fc188 | 38 | #include <linux/serial_core.h> |
da56c949 DA |
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 | ||
a21765a7 BD |
55 | #include <asm/plat-s3c24xx/devs.h> |
56 | #include <asm/plat-s3c24xx/cpu.h> | |
da56c949 DA |
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 | ||
65 | static struct resource amlm5900_nor_resource = { | |
66 | .start = 0x00000000, | |
67 | .end = 0x01000000 - 1, | |
68 | .flags = IORESOURCE_MEM, | |
69 | }; | |
70 | ||
71 | ||
72 | ||
73 | static 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 | ||
98 | static 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 | ||
104 | static 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 | ||
115 | static struct map_desc amlm5900_iodesc[] __initdata = { | |
da56c949 DA |
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 | ||
122 | static 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 | ||
147 | static 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 | ||
da56c949 DA |
163 | 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)); | |
da56c949 DA |
168 | } |
169 | ||
170 | #ifdef CONFIG_FB_S3C2410 | |
171 | static 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 | ||
26f90818 | 216 | static irqreturn_t |
0cd61b68 | 217 | amlm5900_wake_interrupt(int irq, void *ignored) |
da56c949 | 218 | { |
26f90818 DA |
219 | return IRQ_HANDLED; |
220 | } | |
da56c949 | 221 | |
26f90818 DA |
222 | static 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 | } | |
238 | static void __init amlm5900_init(void) | |
239 | { | |
240 | amlm5900_init_pm(); | |
da56c949 DA |
241 | #ifdef CONFIG_FB_S3C2410 |
242 | s3c24xx_fb_set_platdata(&amlm5900_lcd_info); | |
243 | #endif | |
57e5171c | 244 | platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); |
da56c949 DA |
245 | } |
246 | ||
247 | MACHINE_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, | |
255 | MACHINE_END |