Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
[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-latch.h>
37 #include <asm/arch/fb.h>
38
39 #include <linux/serial_core.h>
40
41 #include "clock.h"
42 #include "devs.h"
43 #include "cpu.h"
44
45 static struct map_desc h1940_iodesc[] __initdata = {
46         [0] = {
47                 .virtual        = (unsigned long)H1940_LATCH,
48                 .pfn            = __phys_to_pfn(H1940_PA_LATCH),
49                 .length         = SZ_16K,
50                 .type           = MT_DEVICE
51         },
52 };
53
54 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
55 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
56 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
57
58 static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
59         [0] = {
60                 .hwport      = 0,
61                 .flags       = 0,
62                 .ucon        = 0x3c5,
63                 .ulcon       = 0x03,
64                 .ufcon       = 0x51,
65         },
66         [1] = {
67                 .hwport      = 1,
68                 .flags       = 0,
69                 .ucon        = 0x245,
70                 .ulcon       = 0x03,
71                 .ufcon       = 0x00,
72         },
73         /* IR port */
74         [2] = {
75                 .hwport      = 2,
76                 .flags       = 0,
77                 .uart_flags  = UPF_CONS_FLOW,
78                 .ucon        = 0x3c5,
79                 .ulcon       = 0x43,
80                 .ufcon       = 0x51,
81         }
82 };
83
84 /* Board control latch control */
85
86 static unsigned int latch_state = H1940_LATCH_DEFAULT;
87
88 void h1940_latch_control(unsigned int clear, unsigned int set)
89 {
90         unsigned long flags;
91
92         local_irq_save(flags);
93
94         latch_state &= ~clear;
95         latch_state |= set;
96
97         __raw_writel(latch_state, H1940_LATCH);
98
99         local_irq_restore(flags);
100 }
101
102 EXPORT_SYMBOL_GPL(h1940_latch_control);
103
104
105 /**
106  * Set lcd on or off
107  **/
108 static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
109         .fixed_syncs=           1,
110         .regs={
111                 .lcdcon1=       S3C2410_LCDCON1_TFT16BPP | \
112                                 S3C2410_LCDCON1_TFT | \
113                                 S3C2410_LCDCON1_CLKVAL(0x0C),
114
115                 .lcdcon2=       S3C2410_LCDCON2_VBPD(7) | \
116                                 S3C2410_LCDCON2_LINEVAL(319) | \
117                                 S3C2410_LCDCON2_VFPD(6) | \
118                                 S3C2410_LCDCON2_VSPW(0),
119
120                 .lcdcon3=       S3C2410_LCDCON3_HBPD(19) | \
121                                 S3C2410_LCDCON3_HOZVAL(239) | \
122                                 S3C2410_LCDCON3_HFPD(7),
123
124                 .lcdcon4=       S3C2410_LCDCON4_MVAL(0) | \
125                                 S3C2410_LCDCON4_HSPW(3),
126
127                 .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
128                                 S3C2410_LCDCON5_INVVLINE | \
129                                 S3C2410_LCDCON5_HWSWP,
130         },
131         .lpcsel=        0x02,
132         .gpccon=        0xaa940659,
133         .gpccon_mask=   0xffffffff,
134         .gpcup=         0x0000ffff,
135         .gpcup_mask=    0xffffffff,
136         .gpdcon=        0xaa84aaa0,
137         .gpdcon_mask=   0xffffffff,
138         .gpdup=         0x0000faff,
139         .gpdup_mask=    0xffffffff,
140
141         .width=         240,
142         .height=        320,
143         .xres=          {240,240,240},
144         .yres=          {320,320,320},
145         .bpp=           {16,16,16},
146 };
147
148 static struct platform_device *h1940_devices[] __initdata = {
149         &s3c_device_usb,
150         &s3c_device_lcd,
151         &s3c_device_wdt,
152         &s3c_device_i2c,
153         &s3c_device_iis,
154 };
155
156 static struct s3c24xx_board h1940_board __initdata = {
157         .devices       = h1940_devices,
158         .devices_count = ARRAY_SIZE(h1940_devices)
159 };
160
161 static void __init h1940_map_io(void)
162 {
163         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
164         s3c24xx_init_clocks(0);
165         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
166         s3c24xx_set_board(&h1940_board);
167 }
168
169 static void __init h1940_init_irq(void)
170 {
171         s3c24xx_init_irq();
172
173 }
174
175 static void __init h1940_init(void)
176 {
177         s3c24xx_fb_set_platdata(&h1940_lcdcfg);
178 }
179
180 MACHINE_START(H1940, "IPAQ-H1940")
181         /* Maintainer: Ben Dooks <ben@fluff.org> */
182         .phys_io        = S3C2410_PA_UART,
183         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
184         .boot_params    = S3C2410_SDRAM_PA + 0x100,
185         .map_io         = h1940_map_io,
186         .init_irq       = h1940_init_irq,
187         .init_machine   = h1940_init,
188         .timer          = &s3c24xx_timer,
189 MACHINE_END