[IPV4]: Correct rp_filter help text.
[linux-2.6/verdex.git] / arch / arm / mach-s3c2410 / mach-h1940.c
blob5ccd0be23a335717ae39d2be0f5f2545fd96b772
1 /* linux/arch/arm/mach-s3c2410/mach-h1940.c
3 * Copyright (c) 2003-2005 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
6 * http://www.handhelds.org/projects/h1940.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/serial_core.h>
21 #include <linux/platform_device.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/irq.h>
27 #include <asm/hardware.h>
28 #include <asm/io.h>
29 #include <asm/irq.h>
30 #include <asm/mach-types.h>
32 #include <asm/arch/regs-serial.h>
33 #include <asm/arch/regs-lcd.h>
34 #include <asm/arch/regs-gpio.h>
35 #include <asm/arch/regs-clock.h>
37 #include <asm/arch/h1940.h>
38 #include <asm/arch/h1940-latch.h>
39 #include <asm/arch/fb.h>
40 #include <asm/arch/udc.h>
42 #include <asm/plat-s3c24xx/clock.h>
43 #include <asm/plat-s3c24xx/devs.h>
44 #include <asm/plat-s3c24xx/cpu.h>
45 #include <asm/plat-s3c24xx/pm.h>
47 static struct map_desc h1940_iodesc[] __initdata = {
48 [0] = {
49 .virtual = (unsigned long)H1940_LATCH,
50 .pfn = __phys_to_pfn(H1940_PA_LATCH),
51 .length = SZ_16K,
52 .type = MT_DEVICE
56 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
57 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
58 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
60 static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
61 [0] = {
62 .hwport = 0,
63 .flags = 0,
64 .ucon = 0x3c5,
65 .ulcon = 0x03,
66 .ufcon = 0x51,
68 [1] = {
69 .hwport = 1,
70 .flags = 0,
71 .ucon = 0x245,
72 .ulcon = 0x03,
73 .ufcon = 0x00,
75 /* IR port */
76 [2] = {
77 .hwport = 2,
78 .flags = 0,
79 .uart_flags = UPF_CONS_FLOW,
80 .ucon = 0x3c5,
81 .ulcon = 0x43,
82 .ufcon = 0x51,
86 /* Board control latch control */
88 static unsigned int latch_state = H1940_LATCH_DEFAULT;
90 void h1940_latch_control(unsigned int clear, unsigned int set)
92 unsigned long flags;
94 local_irq_save(flags);
96 latch_state &= ~clear;
97 latch_state |= set;
99 __raw_writel(latch_state, H1940_LATCH);
101 local_irq_restore(flags);
104 EXPORT_SYMBOL_GPL(h1940_latch_control);
106 static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
108 printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
110 switch (cmd)
112 case S3C2410_UDC_P_ENABLE :
113 h1940_latch_control(0, H1940_LATCH_USB_DP);
114 break;
115 case S3C2410_UDC_P_DISABLE :
116 h1940_latch_control(H1940_LATCH_USB_DP, 0);
117 break;
118 case S3C2410_UDC_P_RESET :
119 break;
120 default:
121 break;
125 static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
126 .udc_command = h1940_udc_pullup,
127 .vbus_pin = S3C2410_GPG5,
128 .vbus_pin_inverted = 1,
133 * Set lcd on or off
135 static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
136 .fixed_syncs= 1,
137 .regs={
138 .lcdcon1= S3C2410_LCDCON1_TFT16BPP | \
139 S3C2410_LCDCON1_TFT | \
140 S3C2410_LCDCON1_CLKVAL(0x0C),
142 .lcdcon2= S3C2410_LCDCON2_VBPD(7) | \
143 S3C2410_LCDCON2_LINEVAL(319) | \
144 S3C2410_LCDCON2_VFPD(6) | \
145 S3C2410_LCDCON2_VSPW(0),
147 .lcdcon3= S3C2410_LCDCON3_HBPD(19) | \
148 S3C2410_LCDCON3_HOZVAL(239) | \
149 S3C2410_LCDCON3_HFPD(7),
151 .lcdcon4= S3C2410_LCDCON4_MVAL(0) | \
152 S3C2410_LCDCON4_HSPW(3),
154 .lcdcon5= S3C2410_LCDCON5_FRM565 | \
155 S3C2410_LCDCON5_INVVLINE | \
156 S3C2410_LCDCON5_HWSWP,
158 .lpcsel= 0x02,
159 .gpccon= 0xaa940659,
160 .gpccon_mask= 0xffffffff,
161 .gpcup= 0x0000ffff,
162 .gpcup_mask= 0xffffffff,
163 .gpdcon= 0xaa84aaa0,
164 .gpdcon_mask= 0xffffffff,
165 .gpdup= 0x0000faff,
166 .gpdup_mask= 0xffffffff,
168 .width= 240,
169 .height= 320,
170 .xres= {240,240,240},
171 .yres= {320,320,320},
172 .bpp= {16,16,16},
175 static struct platform_device s3c_device_leds = {
176 .name = "h1940-leds",
177 .id = -1,
180 static struct platform_device s3c_device_bluetooth = {
181 .name = "h1940-bt",
182 .id = -1,
185 static struct platform_device *h1940_devices[] __initdata = {
186 &s3c_device_usb,
187 &s3c_device_lcd,
188 &s3c_device_wdt,
189 &s3c_device_i2c,
190 &s3c_device_iis,
191 &s3c_device_usbgadget,
192 &s3c_device_leds,
193 &s3c_device_bluetooth,
196 static void __init h1940_map_io(void)
198 s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
199 s3c24xx_init_clocks(0);
200 s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
202 /* setup PM */
204 #ifdef CONFIG_PM_H1940
205 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
206 #endif
207 s3c2410_pm_init();
210 static void __init h1940_init_irq(void)
212 s3c24xx_init_irq();
215 static void __init h1940_init(void)
217 u32 tmp;
219 s3c24xx_fb_set_platdata(&h1940_lcdcfg);
220 s3c24xx_udc_set_platdata(&h1940_udc_cfg);
222 /* Turn off suspend on both USB ports, and switch the
223 * selectable USB port to USB device mode. */
225 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
226 S3C2410_MISCCR_USBSUSPND0 |
227 S3C2410_MISCCR_USBSUSPND1, 0x0);
229 tmp = (
230 0x78 << S3C2410_PLLCON_MDIVSHIFT)
231 | (0x02 << S3C2410_PLLCON_PDIVSHIFT)
232 | (0x03 << S3C2410_PLLCON_SDIVSHIFT);
233 writel(tmp, S3C2410_UPLLCON);
235 platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
238 MACHINE_START(H1940, "IPAQ-H1940")
239 /* Maintainer: Ben Dooks <ben@fluff.org> */
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 = h1940_map_io,
244 .init_irq = h1940_init_irq,
245 .init_machine = h1940_init,
246 .timer = &s3c24xx_timer,
247 MACHINE_END