avoid endless loops in lib/swiotlb.c
[wrt350n-kernel.git] / arch / arm / mach-s3c2440 / mach-rx3715.c
blobbac40c4878a50ae93dc1b309e2ed6c7bca1c1227
1 /* linux/arch/arm/mach-s3c2440/mach-rx3715.c
3 * Copyright (c) 2003,2004 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
6 * http://www.handhelds.org/projects/rx3715.html
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.
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/interrupt.h>
17 #include <linux/list.h>
18 #include <linux/timer.h>
19 #include <linux/init.h>
20 #include <linux/tty.h>
21 #include <linux/console.h>
22 #include <linux/sysdev.h>
23 #include <linux/platform_device.h>
24 #include <linux/serial_core.h>
25 #include <linux/serial.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/nand.h>
29 #include <linux/mtd/nand_ecc.h>
30 #include <linux/mtd/partitions.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34 #include <asm/mach/irq.h>
36 #include <asm/hardware.h>
37 #include <asm/io.h>
38 #include <asm/irq.h>
39 #include <asm/mach-types.h>
41 #include <asm/plat-s3c/regs-serial.h>
42 #include <asm/arch/regs-gpio.h>
43 #include <asm/arch/regs-lcd.h>
45 #include <asm/arch/h1940.h>
46 #include <asm/plat-s3c/nand.h>
47 #include <asm/arch/fb.h>
49 #include <asm/plat-s3c24xx/clock.h>
50 #include <asm/plat-s3c24xx/devs.h>
51 #include <asm/plat-s3c24xx/cpu.h>
52 #include <asm/plat-s3c24xx/pm.h>
54 static struct map_desc rx3715_iodesc[] __initdata = {
55 /* dump ISA space somewhere unused */
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,
71 static struct s3c24xx_uart_clksrc rx3715_serial_clocks[] = {
72 [0] = {
73 .name = "fclk",
74 .divisor = 0,
75 .min_baud = 0,
76 .max_baud = 0,
80 static 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),
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),
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),
111 /* framebuffer lcd controller information */
113 static struct s3c2410fb_display rx3715_lcdcfg __initdata = {
114 .lcdcon5 = S3C2410_LCDCON5_INVVLINE |
115 S3C2410_LCDCON5_FRM565 |
116 S3C2410_LCDCON5_HWSWP,
118 .type = S3C2410_LCDCON1_TFT,
119 .width = 240,
120 .height = 320,
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,
134 static struct s3c2410fb_mach_info rx3715_fb_info __initdata = {
136 .displays = &rx3715_lcdcfg,
137 .num_displays = 1,
138 .default_display = 0,
140 .lpcsel = 0xf82,
142 .gpccon = 0xaa955699,
143 .gpccon_mask = 0xffc003cc,
144 .gpcup = 0x0000ffff,
145 .gpcup_mask = 0xffffffff,
147 .gpdcon = 0xaa95aaa1,
148 .gpdcon_mask = 0xffc0fff0,
149 .gpdup = 0x0000faff,
150 .gpdup_mask = 0xffffffff,
153 static struct mtd_partition rx3715_nand_part[] = {
154 [0] = {
155 .name = "Whole Flash",
156 .offset = 0,
157 .size = MTDPART_SIZ_FULL,
158 .mask_flags = MTD_WRITEABLE,
162 static struct s3c2410_nand_set 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,
171 static struct s3c2410_platform_nand 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,
179 static struct platform_device *rx3715_devices[] __initdata = {
180 &s3c_device_usb,
181 &s3c_device_lcd,
182 &s3c_device_wdt,
183 &s3c_device_i2c,
184 &s3c_device_iis,
185 &s3c_device_nand,
188 static void __init rx3715_map_io(void)
190 s3c_device_nand.dev.platform_data = &rx3715_nand_info;
192 s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
193 s3c24xx_init_clocks(16934000);
194 s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs));
197 static void __init rx3715_init_irq(void)
199 s3c24xx_init_irq();
202 static void __init rx3715_init_machine(void)
204 #ifdef CONFIG_PM_H1940
205 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
206 #endif
207 s3c2410_pm_init();
209 s3c24xx_fb_set_platdata(&rx3715_fb_info);
210 platform_add_devices(rx3715_devices, ARRAY_SIZE(rx3715_devices));
213 MACHINE_START(RX3715, "IPAQ-RX3715")
214 /* Maintainer: Ben Dooks <ben@fluff.org> */
215 .phys_io = S3C2410_PA_UART,
216 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
217 .boot_params = S3C2410_SDRAM_PA + 0x100,
218 .map_io = rx3715_map_io,
219 .init_irq = rx3715_init_irq,
220 .init_machine = rx3715_init_machine,
221 .timer = &s3c24xx_timer,
222 MACHINE_END