Pull platform-drivers into test branch
[linux-2.6] / arch / arm / mach-s3c2410 / mach-h1940.c
1 /* linux/arch/arm/mach-s3c2410/mach-h1940.c
2  *
3  * Copyright (c) 2003-2005 Simtec Electronics
4  *   Ben Dooks <ben@simtec.co.uk>
5  *
6  * http://www.handhelds.org/projects/h1940.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/timer.h>
19 #include <linux/init.h>
20 #include <linux/platform_device.h>
21
22 #include <asm/mach/arch.h>
23 #include <asm/mach/map.h>
24 #include <asm/mach/irq.h>
25
26 #include <asm/hardware.h>
27 #include <asm/hardware/iomd.h>
28 #include <asm/io.h>
29 #include <asm/irq.h>
30 #include <asm/mach-types.h>
31
32
33 #include <asm/arch/regs-serial.h>
34 #include <asm/arch/regs-lcd.h>
35
36 #include <asm/arch/h1940.h>
37 #include <asm/arch/h1940-latch.h>
38 #include <asm/arch/fb.h>
39
40 #include <linux/serial_core.h>
41
42 #include "clock.h"
43 #include "devs.h"
44 #include "cpu.h"
45 #include "pm.h"
46
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
53         },
54 };
55
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
59
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,
67         },
68         [1] = {
69                 .hwport      = 1,
70                 .flags       = 0,
71                 .ucon        = 0x245,
72                 .ulcon       = 0x03,
73                 .ufcon       = 0x00,
74         },
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,
83         }
84 };
85
86 /* Board control latch control */
87
88 static unsigned int latch_state = H1940_LATCH_DEFAULT;
89
90 void h1940_latch_control(unsigned int clear, unsigned int set)
91 {
92         unsigned long flags;
93
94         local_irq_save(flags);
95
96         latch_state &= ~clear;
97         latch_state |= set;
98
99         __raw_writel(latch_state, H1940_LATCH);
100
101         local_irq_restore(flags);
102 }
103
104 EXPORT_SYMBOL_GPL(h1940_latch_control);
105
106
107 /**
108  * Set lcd on or off
109  **/
110 static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
111         .fixed_syncs=           1,
112         .regs={
113                 .lcdcon1=       S3C2410_LCDCON1_TFT16BPP | \
114                                 S3C2410_LCDCON1_TFT | \
115                                 S3C2410_LCDCON1_CLKVAL(0x0C),
116
117                 .lcdcon2=       S3C2410_LCDCON2_VBPD(7) | \
118                                 S3C2410_LCDCON2_LINEVAL(319) | \
119                                 S3C2410_LCDCON2_VFPD(6) | \
120                                 S3C2410_LCDCON2_VSPW(0),
121
122                 .lcdcon3=       S3C2410_LCDCON3_HBPD(19) | \
123                                 S3C2410_LCDCON3_HOZVAL(239) | \
124                                 S3C2410_LCDCON3_HFPD(7),
125
126                 .lcdcon4=       S3C2410_LCDCON4_MVAL(0) | \
127                                 S3C2410_LCDCON4_HSPW(3),
128
129                 .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
130                                 S3C2410_LCDCON5_INVVLINE | \
131                                 S3C2410_LCDCON5_HWSWP,
132         },
133         .lpcsel=        0x02,
134         .gpccon=        0xaa940659,
135         .gpccon_mask=   0xffffffff,
136         .gpcup=         0x0000ffff,
137         .gpcup_mask=    0xffffffff,
138         .gpdcon=        0xaa84aaa0,
139         .gpdcon_mask=   0xffffffff,
140         .gpdup=         0x0000faff,
141         .gpdup_mask=    0xffffffff,
142
143         .width=         240,
144         .height=        320,
145         .xres=          {240,240,240},
146         .yres=          {320,320,320},
147         .bpp=           {16,16,16},
148 };
149
150 static struct platform_device *h1940_devices[] __initdata = {
151         &s3c_device_usb,
152         &s3c_device_lcd,
153         &s3c_device_wdt,
154         &s3c_device_i2c,
155         &s3c_device_iis,
156 };
157
158 static struct s3c24xx_board h1940_board __initdata = {
159         .devices       = h1940_devices,
160         .devices_count = ARRAY_SIZE(h1940_devices)
161 };
162
163 static void __init h1940_map_io(void)
164 {
165         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
166         s3c24xx_init_clocks(0);
167         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
168         s3c24xx_set_board(&h1940_board);
169
170         /* setup PM */
171
172         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
173         s3c2410_pm_init();
174 }
175
176 static void __init h1940_init_irq(void)
177 {
178         s3c24xx_init_irq();
179 }
180
181 static void __init h1940_init(void)
182 {
183         s3c24xx_fb_set_platdata(&h1940_lcdcfg);
184 }
185
186 MACHINE_START(H1940, "IPAQ-H1940")
187         /* Maintainer: Ben Dooks <ben@fluff.org> */
188         .phys_io        = S3C2410_PA_UART,
189         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
190         .boot_params    = S3C2410_SDRAM_PA + 0x100,
191         .map_io         = h1940_map_io,
192         .init_irq       = h1940_init_irq,
193         .init_machine   = h1940_init,
194         .timer          = &s3c24xx_timer,
195 MACHINE_END