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[ARM] 3558/1: SMDK24XX: LED platform devices
[net-next-2.6.git] / arch / arm / mach-s3c2410 / mach-h1940.c
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1da177e4
LT		 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 * Modifications:
13 * 16-May-2003 BJD Created initial version
14 * 16-Aug-2003 BJD Fixed header files and copyright, added URL
15 * 05-Sep-2003 BJD Moved to v2.6 kernel
16 * 06-Jan-2003 BJD Updates for <arch/map.h>
17 * 18-Jan-2003 BJD Added serial port configuration
18 * 17-Feb-2003 BJD Copied to mach-ipaq.c
19 * 21-Aug-2004 BJD Added struct s3c2410_board
20 * 04-Sep-2004 BJD Changed uart init, renamed ipaq_ -> h1940_
21 * 18-Oct-2004 BJD Updated new board structure name
22 * 04-Nov-2004 BJD Change for new serial clock
23 * 04-Jan-2005 BJD Updated uart init call
24 * 10-Jan-2005 BJD Removed include of s3c2410.h
25 * 14-Jan-2005 BJD Added clock init
26 * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
5fe10ab1 27 * 20-Sep-2005 BJD Added static to non-exported items
893b0309 28 * 26-Oct-2005 BJD Changed name of fb init call
1da177e4
LT		 29*/
30
31#include <linux/kernel.h>
32#include <linux/types.h>
33#include <linux/interrupt.h>
34#include <linux/list.h>
35#include <linux/timer.h>
36#include <linux/init.h>
d052d1be 37#include <linux/platform_device.h>
1da177e4
LT		 38
39#include <asm/mach/arch.h>
40#include <asm/mach/map.h>
41#include <asm/mach/irq.h>
42
43#include <asm/hardware.h>
44#include <asm/hardware/iomd.h>
45#include <asm/io.h>
46#include <asm/irq.h>
47#include <asm/mach-types.h>
48
e1981680 49
1da177e4 50#include <asm/arch/regs-serial.h>
f92273c1
AP		 51#include <asm/arch/regs-lcd.h>
52
e1981680 53#include <asm/arch/h1940-latch.h>
f92273c1 54#include <asm/arch/fb.h>
1da177e4
LT		 55
56#include <linux/serial_core.h>
57
58#include "clock.h"
59#include "devs.h"
60#include "cpu.h"
61
62static struct map_desc h1940_iodesc[] __initdata = {
e1981680
BD		 63 [0] = {
64 .virtual = (unsigned long)H1940_LATCH,
65 .pfn = __phys_to_pfn(H1940_PA_LATCH),
66 .length = SZ_16K,
67 .type = MT_DEVICE
68 },
1da177e4
LT		 69};
70
71#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
72#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
73#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
74
75static struct s3c2410_uartcfg h1940_uartcfgs[] = {
76 [0] = {
77 .hwport = 0,
78 .flags = 0,
79 .ucon = 0x3c5,
80 .ulcon = 0x03,
81 .ufcon = 0x51,
82 },
83 [1] = {
84 .hwport = 1,
85 .flags = 0,
86 .ucon = 0x245,
87 .ulcon = 0x03,
88 .ufcon = 0x00,
89 },
90 /* IR port */
91 [2] = {
92 .hwport = 2,
93 .flags = 0,
94 .uart_flags = UPF_CONS_FLOW,
95 .ucon = 0x3c5,
96 .ulcon = 0x43,
97 .ufcon = 0x51,
98 }
99};
100
e1981680
BD		 101/* Board control latch control */
102
103static unsigned int latch_state = H1940_LATCH_DEFAULT;
104
105void h1940_latch_control(unsigned int clear, unsigned int set)
106{
107 unsigned long flags;
108
109 local_irq_save(flags);
110
111 latch_state &= ~clear;
112 latch_state |= set;
113
114 __raw_writel(latch_state, H1940_LATCH);
115
116 local_irq_restore(flags);
117}
118
119EXPORT_SYMBOL_GPL(h1940_latch_control);
1da177e4
LT		 120
121
f92273c1
AP		 122/**
123 * Set lcd on or off
124 **/
125static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
126 .fixed_syncs= 1,
127 .regs={
128 .lcdcon1= S3C2410_LCDCON1_TFT16BPP | \
129 S3C2410_LCDCON1_TFT | \
130 S3C2410_LCDCON1_CLKVAL(0x0C),
131
132 .lcdcon2= S3C2410_LCDCON2_VBPD(7) | \
133 S3C2410_LCDCON2_LINEVAL(319) | \
134 S3C2410_LCDCON2_VFPD(6) | \
135 S3C2410_LCDCON2_VSPW(0),
136
137 .lcdcon3= S3C2410_LCDCON3_HBPD(19) | \
138 S3C2410_LCDCON3_HOZVAL(239) | \
139 S3C2410_LCDCON3_HFPD(7),
140
141 .lcdcon4= S3C2410_LCDCON4_MVAL(0) | \
142 S3C2410_LCDCON4_HSPW(3),
143
144 .lcdcon5= S3C2410_LCDCON5_FRM565 | \
145 S3C2410_LCDCON5_INVVLINE | \
146 S3C2410_LCDCON5_HWSWP,
147 },
148 .lpcsel= 0x02,
149 .gpccon= 0xaa940659,
150 .gpccon_mask= 0xffffffff,
151 .gpcup= 0x0000ffff,
152 .gpcup_mask= 0xffffffff,
153 .gpdcon= 0xaa84aaa0,
154 .gpdcon_mask= 0xffffffff,
155 .gpdup= 0x0000faff,
156 .gpdup_mask= 0xffffffff,
157
158 .width= 240,
159 .height= 320,
160 .xres= {240,240,240},
161 .yres= {320,320,320},
162 .bpp= {16,16,16},
163};
1da177e4
LT		 164
165static struct platform_device *h1940_devices[] __initdata = {
166 &s3c_device_usb,
167 &s3c_device_lcd,
168 &s3c_device_wdt,
169 &s3c_device_i2c,
170 &s3c_device_iis,
171};
172
173static struct s3c24xx_board h1940_board __initdata = {
174 .devices = h1940_devices,
175 .devices_count = ARRAY_SIZE(h1940_devices)
176};
177
5fe10ab1 178static void __init h1940_map_io(void)
1da177e4
LT		 179{
180 s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
181 s3c24xx_init_clocks(0);
182 s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
183 s3c24xx_set_board(&h1940_board);
184}
185
5fe10ab1 186static void __init h1940_init_irq(void)
1da177e4
LT		 187{
188 s3c24xx_init_irq();
189
190}
191
5fe10ab1 192static void __init h1940_init(void)
f92273c1 193{
893b0309 194 s3c24xx_fb_set_platdata(&h1940_lcdcfg);
f92273c1
AP		 195}
196
1da177e4 197MACHINE_START(H1940, "IPAQ-H1940")
e9dea0c6 198 /* Maintainer: Ben Dooks <ben@fluff.org> */
e9dea0c6
RK		 199 .phys_io = S3C2410_PA_UART,
200 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
201 .boot_params = S3C2410_SDRAM_PA + 0x100,
202 .map_io = h1940_map_io,
203 .init_irq = h1940_init_irq,
f92273c1 204 .init_machine = h1940_init,
1da177e4
LT		 205 .timer = &s3c24xx_timer,
206MACHINE_END
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