Merge branch 'upstream'
[linux-2.6] / arch / arm / mach-s3c2410 / mach-smdk2440.c
1 /* linux/arch/arm/mach-s3c2410/mach-smdk2440.c
2  *
3  * Copyright (c) 2004,2005 Simtec Electronics
4  *      Ben Dooks <ben@simtec.co.uk>
5  *
6  * http://www.fluff.org/ben/smdk2440/
7  *
8  * Thanks to Dimity Andric and TomTom for the loan of an SMDK2440.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  *
14  * Modifications:
15  *      01-Nov-2004 BJD   Initial version
16  *      12-Nov-2004 BJD   Updated for release
17  *      04-Jan-2005 BJD   Fixes for pre-release
18  *      22-Feb-2005 BJD   Updated for 2.6.11-rc5 relesa
19  *      10-Mar-2005 LCVR  Replaced S3C2410_VA by S3C24XX_VA
20  *      14-Mar-2005 BJD   void __iomem fixes
21  *      20-Sep-2005 BJD   Added static to non-exported items
22  *      26-Oct-2005 BJD   Added framebuffer data
23 */
24
25 #include <linux/kernel.h>
26 #include <linux/types.h>
27 #include <linux/interrupt.h>
28 #include <linux/list.h>
29 #include <linux/timer.h>
30 #include <linux/init.h>
31
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34 #include <asm/mach/irq.h>
35
36 #include <asm/hardware.h>
37 #include <asm/hardware/iomd.h>
38 #include <asm/io.h>
39 #include <asm/irq.h>
40 #include <asm/mach-types.h>
41
42 //#include <asm/debug-ll.h>
43 #include <asm/arch/regs-serial.h>
44 #include <asm/arch/regs-gpio.h>
45 #include <asm/arch/regs-lcd.h>
46
47 #include <asm/arch/idle.h>
48 #include <asm/arch/fb.h>
49
50 #include "s3c2410.h"
51 #include "s3c2440.h"
52 #include "clock.h"
53 #include "devs.h"
54 #include "cpu.h"
55 #include "pm.h"
56
57 static struct map_desc smdk2440_iodesc[] __initdata = {
58         /* ISA IO Space map (memory space selected by A24) */
59
60         { (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS2, SZ_16M, MT_DEVICE },
61         { (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS2, SZ_16M, MT_DEVICE },
62 };
63
64 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
65 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
66 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
67
68 static struct s3c2410_uartcfg smdk2440_uartcfgs[] = {
69         [0] = {
70                 .hwport      = 0,
71                 .flags       = 0,
72                 .ucon        = 0x3c5,
73                 .ulcon       = 0x03,
74                 .ufcon       = 0x51,
75         },
76         [1] = {
77                 .hwport      = 1,
78                 .flags       = 0,
79                 .ucon        = 0x3c5,
80                 .ulcon       = 0x03,
81                 .ufcon       = 0x51,
82         },
83         /* IR port */
84         [2] = {
85                 .hwport      = 2,
86                 .flags       = 0,
87                 .ucon        = 0x3c5,
88                 .ulcon       = 0x43,
89                 .ufcon       = 0x51,
90         }
91 };
92
93 /* LCD driver info */
94
95 static struct s3c2410fb_mach_info smdk2440_lcd_cfg __initdata = {
96         .regs   = {
97
98                 .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
99                                   S3C2410_LCDCON1_TFT |
100                                   S3C2410_LCDCON1_CLKVAL(0x04),
101
102                 .lcdcon2        = S3C2410_LCDCON2_VBPD(7) |
103                                   S3C2410_LCDCON2_LINEVAL(319) |
104                                   S3C2410_LCDCON2_VFPD(6) |
105                                   S3C2410_LCDCON2_VSPW(3),
106
107                 .lcdcon3        = S3C2410_LCDCON3_HBPD(19) |
108                                   S3C2410_LCDCON3_HOZVAL(239) |
109                                   S3C2410_LCDCON3_HFPD(7),
110
111                 .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
112                                   S3C2410_LCDCON4_HSPW(3),
113
114                 .lcdcon5        = S3C2410_LCDCON5_FRM565 |
115                                   S3C2410_LCDCON5_INVVLINE |
116                                   S3C2410_LCDCON5_INVVFRAME |
117                                   S3C2410_LCDCON5_PWREN |
118                                   S3C2410_LCDCON5_HWSWP,
119         },
120
121 #if 0
122         /* currently setup by downloader */
123         .gpccon         = 0xaa940659,
124         .gpccon_mask    = 0xffffffff,
125         .gpcup          = 0x0000ffff,
126         .gpcup_mask     = 0xffffffff,
127         .gpdcon         = 0xaa84aaa0,
128         .gpdcon_mask    = 0xffffffff,
129         .gpdup          = 0x0000faff,
130         .gpdup_mask     = 0xffffffff,
131 #endif
132
133         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
134
135         .width          = 240,
136         .height         = 320,
137
138         .xres           = {
139                 .min    = 240,
140                 .max    = 240,
141                 .defval = 240,
142         },
143
144         .yres           = {
145                 .min    = 320,
146                 .max    = 320,
147                 .defval = 320,
148         },
149
150         .bpp            = {
151                 .min    = 16,
152                 .max    = 16,
153                 .defval = 16,
154         },
155 };
156
157 static struct platform_device *smdk2440_devices[] __initdata = {
158         &s3c_device_usb,
159         &s3c_device_lcd,
160         &s3c_device_wdt,
161         &s3c_device_i2c,
162         &s3c_device_iis,
163 };
164
165 static struct s3c24xx_board smdk2440_board __initdata = {
166         .devices       = smdk2440_devices,
167         .devices_count = ARRAY_SIZE(smdk2440_devices)
168 };
169
170 static void __init smdk2440_map_io(void)
171 {
172         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
173         s3c24xx_init_clocks(16934400);
174         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
175         s3c24xx_set_board(&smdk2440_board);
176 }
177
178 static void __init smdk2440_machine_init(void)
179 {
180         /* Configure the LEDs (even if we have no LED support)*/
181
182         s3c2410_gpio_cfgpin(S3C2410_GPF4, S3C2410_GPF4_OUTP);
183         s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPF5_OUTP);
184         s3c2410_gpio_cfgpin(S3C2410_GPF6, S3C2410_GPF6_OUTP);
185         s3c2410_gpio_cfgpin(S3C2410_GPF7, S3C2410_GPF7_OUTP);
186
187         s3c2410_gpio_setpin(S3C2410_GPF4, 0);
188         s3c2410_gpio_setpin(S3C2410_GPF5, 0);
189         s3c2410_gpio_setpin(S3C2410_GPF6, 0);
190         s3c2410_gpio_setpin(S3C2410_GPF7, 0);
191
192         s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg);
193
194         s3c2410_pm_init();
195 }
196
197 MACHINE_START(S3C2440, "SMDK2440")
198         /* Maintainer: Ben Dooks <ben@fluff.org> */
199         .phys_ram       = S3C2410_SDRAM_PA,
200         .phys_io        = S3C2410_PA_UART,
201         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
202         .boot_params    = S3C2410_SDRAM_PA + 0x100,
203
204         .init_irq       = s3c24xx_init_irq,
205         .map_io         = smdk2440_map_io,
206         .init_machine   = smdk2440_machine_init,
207         .timer          = &s3c24xx_timer,
208 MACHINE_END