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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/mach-s3c2440/
1/* linux/arch/arm/mach-s3c2440/mach-rx3715.c
2 *
3 * Copyright (c) 2003-2004 Simtec Electronics
4 *	Ben Dooks <ben@simtec.co.uk>
5 *
6 * http://www.handhelds.org/projects/rx3715.html
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12*/
13
14#include <linux/kernel.h>
15#include <linux/types.h>
16#include <linux/interrupt.h>
17#include <linux/list.h>
18#include <linux/memblock.h>
19#include <linux/timer.h>
20#include <linux/init.h>
21#include <linux/tty.h>
22#include <linux/console.h>
23#include <linux/sysdev.h>
24#include <linux/platform_device.h>
25#include <linux/serial_core.h>
26#include <linux/serial.h>
27#include <linux/io.h>
28#include <linux/mtd/mtd.h>
29#include <linux/mtd/nand.h>
30#include <linux/mtd/nand_ecc.h>
31#include <linux/mtd/partitions.h>
32
33#include <asm/mach/arch.h>
34#include <asm/mach/map.h>
35#include <asm/mach/irq.h>
36
37#include <mach/hardware.h>
38#include <asm/irq.h>
39#include <asm/mach-types.h>
40
41#include <plat/regs-serial.h>
42#include <mach/regs-gpio.h>
43#include <mach/regs-lcd.h>
44
45#include <mach/h1940.h>
46#include <plat/nand.h>
47#include <mach/fb.h>
48
49#include <plat/clock.h>
50#include <plat/devs.h>
51#include <plat/cpu.h>
52#include <plat/pm.h>
53
54static struct map_desc rx3715_iodesc[] __initdata = {
55	/* dump ISA space somewhere unused */
56
57	{
58		.virtual	= (u32)S3C24XX_VA_ISA_WORD,
59		.pfn		= __phys_to_pfn(S3C2410_CS3),
60		.length		= SZ_1M,
61		.type		= MT_DEVICE,
62	}, {
63		.virtual	= (u32)S3C24XX_VA_ISA_BYTE,
64		.pfn		= __phys_to_pfn(S3C2410_CS3),
65		.length		= SZ_1M,
66		.type		= MT_DEVICE,
67	},
68};
69
70
71static struct s3c24xx_uart_clksrc rx3715_serial_clocks[] = {
72	[0] = {
73		.name		= "fclk",
74		.divisor	= 0,
75		.min_baud	= 0,
76		.max_baud	= 0,
77	}
78};
79
80static struct s3c2410_uartcfg rx3715_uartcfgs[] = {
81	[0] = {
82		.hwport	     = 0,
83		.flags	     = 0,
84		.ucon	     = 0x3c5,
85		.ulcon	     = 0x03,
86		.ufcon	     = 0x51,
87		.clocks	     = rx3715_serial_clocks,
88		.clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
89	},
90	[1] = {
91		.hwport	     = 1,
92		.flags	     = 0,
93		.ucon	     = 0x3c5,
94		.ulcon	     = 0x03,
95		.ufcon	     = 0x00,
96		.clocks	     = rx3715_serial_clocks,
97		.clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
98	},
99	/* IR port */
100	[2] = {
101		.hwport	     = 2,
102		.uart_flags  = UPF_CONS_FLOW,
103		.ucon	     = 0x3c5,
104		.ulcon	     = 0x43,
105		.ufcon	     = 0x51,
106		.clocks	     = rx3715_serial_clocks,
107		.clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
108	}
109};
110
111/* framebuffer lcd controller information */
112
113static struct s3c2410fb_display rx3715_lcdcfg __initdata = {
114	.lcdcon5 =	S3C2410_LCDCON5_INVVLINE |
115			S3C2410_LCDCON5_FRM565 |
116			S3C2410_LCDCON5_HWSWP,
117
118	.type		= S3C2410_LCDCON1_TFT,
119	.width		= 240,
120	.height		= 320,
121
122	.pixclock	= 260000,
123	.xres		= 240,
124	.yres		= 320,
125	.bpp		= 16,
126	.left_margin	= 36,
127	.right_margin	= 36,
128	.hsync_len	= 8,
129	.upper_margin	= 6,
130	.lower_margin	= 7,
131	.vsync_len	= 3,
132};
133
134static struct s3c2410fb_mach_info rx3715_fb_info __initdata = {
135
136	.displays =	&rx3715_lcdcfg,
137	.num_displays =	1,
138	.default_display = 0,
139
140	.lpcsel =	0xf82,
141
142	.gpccon =	0xaa955699,
143	.gpccon_mask =	0xffc003cc,
144	.gpcup =	0x0000ffff,
145	.gpcup_mask =	0xffffffff,
146
147	.gpdcon =	0xaa95aaa1,
148	.gpdcon_mask =	0xffc0fff0,
149	.gpdup =	0x0000faff,
150	.gpdup_mask =	0xffffffff,
151};
152
153static struct mtd_partition __initdata rx3715_nand_part[] = {
154	[0] = {
155		.name		= "Whole Flash",
156		.offset		= 0,
157		.size		= MTDPART_SIZ_FULL,
158		.mask_flags	= MTD_WRITEABLE,
159	}
160};
161
162static struct s3c2410_nand_set __initdata rx3715_nand_sets[] = {
163	[0] = {
164		.name		= "Internal",
165		.nr_chips	= 1,
166		.nr_partitions	= ARRAY_SIZE(rx3715_nand_part),
167		.partitions	= rx3715_nand_part,
168	},
169};
170
171static struct s3c2410_platform_nand __initdata rx3715_nand_info = {
172	.tacls		= 25,
173	.twrph0		= 50,
174	.twrph1		= 15,
175	.nr_sets	= ARRAY_SIZE(rx3715_nand_sets),
176	.sets		= rx3715_nand_sets,
177};
178
179static struct platform_device *rx3715_devices[] __initdata = {
180	&s3c_device_ohci,
181	&s3c_device_lcd,
182	&s3c_device_wdt,
183	&s3c_device_i2c0,
184	&s3c_device_iis,
185	&s3c_device_nand,
186};
187
188static void __init rx3715_map_io(void)
189{
190	s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
191	s3c24xx_init_clocks(16934000);
192	s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs));
193}
194
195/* H1940 and RX3715 need to reserve this for suspend */
196static void __init rx3715_reserve(void)
197{
198	memblock_reserve(0x30003000, 0x1000);
199	memblock_reserve(0x30081000, 0x1000);
200}
201
202static void __init rx3715_init_irq(void)
203{
204	s3c24xx_init_irq();
205}
206
207static void __init rx3715_init_machine(void)
208{
209#ifdef CONFIG_PM_H1940
210	memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
211#endif
212	s3c_pm_init();
213
214	s3c_nand_set_platdata(&rx3715_nand_info);
215	s3c24xx_fb_set_platdata(&rx3715_fb_info);
216	platform_add_devices(rx3715_devices, ARRAY_SIZE(rx3715_devices));
217}
218
219MACHINE_START(RX3715, "IPAQ-RX3715")
220	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
221	.phys_io	= S3C2410_PA_UART,
222	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
223	.boot_params	= S3C2410_SDRAM_PA + 0x100,
224	.map_io		= rx3715_map_io,
225	.reserve	= rx3715_reserve,
226	.init_irq	= rx3715_init_irq,
227	.init_machine	= rx3715_init_machine,
228	.timer		= &s3c24xx_timer,
229MACHINE_END
230