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/device.h>
36#include <linux/platform_device.h>
37#include <linux/proc_fs.h>
38#include <linux/serial_core.h>
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
55#include <asm/plat-s3c24xx/devs.h>
56#include <asm/plat-s3c24xx/cpu.h>
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
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 = {
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
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
163static 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));
168}
169
170#ifdef CONFIG_FB_S3C2410
171static 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
216static irqreturn_t
217amlm5900_wake_interrupt(int irq, void *ignored)
218{
219	return IRQ_HANDLED;
220}
221
222static 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}
238static void __init amlm5900_init(void)
239{
240	amlm5900_init_pm();
241#ifdef CONFIG_FB_S3C2410
242	s3c24xx_fb_set_platdata(&amlm5900_lcd_info);
243#endif
244	platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices));
245}
246
247MACHINE_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,
255MACHINE_END
256