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Ben Dooksa21765a2007-02-11 18:31:01 +01001/* linux/arch/arm/mach-s3c2410/mach-amlm5900.c
David Andersda56c942006-09-21 22:57:12 +01002 *
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>
Ben Dooks1b8fc182007-02-11 18:56:03 +010038#include <linux/serial_core.h>
David Andersda56c942006-09-21 22:57:12 +010039
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
Ben Dooks531b6172007-07-22 16:05:25 +010051#include <asm/plat-s3c/regs-serial.h>
David Andersda56c942006-09-21 22:57:12 +010052#include <asm/arch/regs-lcd.h>
53#include <asm/arch/regs-gpio.h>
54
Ben Dooksa21765a2007-02-11 18:31:01 +010055#include <asm/plat-s3c24xx/devs.h>
56#include <asm/plat-s3c24xx/cpu.h>
David Andersda56c942006-09-21 22:57:12 +010057
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
65static struct resource amlm5900_nor_resource = {
66 .start = 0x00000000,
67 .end = 0x01000000 - 1,
68 .flags = IORESOURCE_MEM,
69};
70
71
72
73static 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
98static 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
104static 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
115static struct map_desc amlm5900_iodesc[] __initdata = {
David Andersda56c942006-09-21 22:57:12 +0100116};
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
122static 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
147static 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
Ben Dookse0787612007-05-28 18:57:31 +0100163static void __init amlm5900_map_io(void)
David Andersda56c942006-09-21 22:57:12 +0100164{
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));
David Andersda56c942006-09-21 22:57:12 +0100168}
169
170#ifdef CONFIG_FB_S3C2410
Krzysztof Helt09fe75f2007-10-16 01:28:56 -0700171static struct s3c2410fb_display __initdata amlm5900_lcd_info = {
David Andersda56c942006-09-21 22:57:12 +0100172 .width = 160,
173 .height = 160,
174
Krzysztof Helt1f411532007-10-16 01:28:57 -0700175 .type = S3C2410_LCDCON1_STN4,
176
Krzysztof Helt69816692007-10-16 01:29:06 -0700177 .pixclock = 680000, /* HCLK = 100MHz */
Krzysztof Helt09fe75f2007-10-16 01:28:56 -0700178 .xres = 160,
179 .yres = 160,
180 .bpp = 4,
Krzysztof Helt1f411532007-10-16 01:28:57 -0700181 .left_margin = 1 << (4 + 3),
182 .right_margin = 8 << 3,
Krzysztof Helt93d11f52007-10-16 01:29:00 -0700183 .hsync_len = 48,
Krzysztof Helt5f20f692007-10-16 01:28:59 -0700184 .upper_margin = 0,
185 .lower_margin = 0,
Krzysztof Helt09fe75f2007-10-16 01:28:56 -0700186
Krzysztof Heltf28ef572007-10-16 01:28:58 -0700187 .lcdcon5 = 0x00000001,
Krzysztof Helt09fe75f2007-10-16 01:28:56 -0700188};
189
190static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = {
191
192 .displays = &amlm5900_lcd_info,
193 .num_displays = 1,
194 .default_display = 0,
195
David Andersda56c942006-09-21 22:57:12 +0100196 .gpccon = 0xaaaaaaaa,
197 .gpccon_mask = 0xffffffff,
198 .gpcup = 0x0000ffff,
199 .gpcup_mask = 0xffffffff,
200
201 .gpdcon = 0xaaaaaaaa,
202 .gpdcon_mask = 0xffffffff,
203 .gpdup = 0x0000ffff,
204 .gpdup_mask = 0xffffffff,
David Andersda56c942006-09-21 22:57:12 +0100205};
206#endif
207
David Anders26f90812006-09-26 17:46:00 +0100208static irqreturn_t
Linus Torvalds0cd61b62006-10-06 10:53:39 -0700209amlm5900_wake_interrupt(int irq, void *ignored)
David Anders26f90812006-09-26 17:46:00 +0100210{
211 return IRQ_HANDLED;
212}
213
214static void amlm5900_init_pm(void)
215{
216 int ret = 0;
217
218 ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt,
219 IRQF_TRIGGER_RISING | IRQF_SHARED,
220 "amlm5900_wakeup", &amlm5900_wake_interrupt);
221 if (ret != 0) {
222 printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret);
223 } else {
224 enable_irq_wake(IRQ_EINT9);
225 /* configure the suspend/resume status pin */
226 s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP);
227 s3c2410_gpio_pullup(S3C2410_GPF2, 0);
228 }
229}
David Andersda56c942006-09-21 22:57:12 +0100230static void __init amlm5900_init(void)
231{
David Anders26f90812006-09-26 17:46:00 +0100232 amlm5900_init_pm();
David Andersda56c942006-09-21 22:57:12 +0100233#ifdef CONFIG_FB_S3C2410
Krzysztof Helt09fe75f2007-10-16 01:28:56 -0700234 s3c24xx_fb_set_platdata(&amlm5900_fb_info);
David Andersda56c942006-09-21 22:57:12 +0100235#endif
Ben Dooks57e51712007-04-20 11:19:16 +0100236 platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices));
David Andersda56c942006-09-21 22:57:12 +0100237}
238
239MACHINE_START(AML_M5900, "AML_M5900")
240 .phys_io = S3C2410_PA_UART,
241 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
242 .boot_params = S3C2410_SDRAM_PA + 0x100,
243 .map_io = amlm5900_map_io,
244 .init_irq = s3c24xx_init_irq,
245 .init_machine = amlm5900_init,
246 .timer = &s3c24xx_timer,
247MACHINE_END