Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
[linux-2.6] / arch / arm / mach-s3c2440 / mach-at2440evb.c
1 /* linux/arch/arm/mach-s3c2440/mach-at2440evb.c
2  *
3  * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
4  *      Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
5  *      and modifications by SBZ <sbz@spgui.org> and
6  *      Weibing <http://weibing.blogbus.com>
7  *
8  * For product information, visit http://www.arm9e.com/
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
15 #include <linux/kernel.h>
16 #include <linux/types.h>
17 #include <linux/interrupt.h>
18 #include <linux/list.h>
19 #include <linux/timer.h>
20 #include <linux/init.h>
21 #include <linux/io.h>
22 #include <linux/serial_core.h>
23 #include <linux/dm9000.h>
24 #include <linux/platform_device.h>
25
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
29
30 #include <mach/hardware.h>
31 #include <mach/fb.h>
32 #include <asm/irq.h>
33 #include <asm/mach-types.h>
34
35 #include <plat/regs-serial.h>
36 #include <mach/regs-gpio.h>
37 #include <mach/regs-mem.h>
38 #include <mach/regs-lcd.h>
39 #include <plat/nand.h>
40 #include <plat/iic.h>
41
42 #include <linux/mtd/mtd.h>
43 #include <linux/mtd/nand.h>
44 #include <linux/mtd/nand_ecc.h>
45 #include <linux/mtd/partitions.h>
46
47 #include <plat/clock.h>
48 #include <plat/devs.h>
49 #include <plat/cpu.h>
50 #include <plat/mci.h>
51
52 static struct map_desc at2440evb_iodesc[] __initdata = {
53         /* Nothing here */
54 };
55
56 #define UCON S3C2410_UCON_DEFAULT
57 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
58 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
59
60 static struct s3c24xx_uart_clksrc at2440evb_serial_clocks[] = {
61         [0] = {
62                 .name           = "uclk",
63                 .divisor        = 1,
64                 .min_baud       = 0,
65                 .max_baud       = 0,
66         },
67         [1] = {
68                 .name           = "pclk",
69                 .divisor        = 1,
70                 .min_baud       = 0,
71                 .max_baud       = 0,
72         }
73 };
74
75
76 static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
77         [0] = {
78                 .hwport      = 0,
79                 .flags       = 0,
80                 .ucon        = UCON,
81                 .ulcon       = ULCON,
82                 .ufcon       = UFCON,
83                 .clocks      = at2440evb_serial_clocks,
84                 .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
85         },
86         [1] = {
87                 .hwport      = 1,
88                 .flags       = 0,
89                 .ucon        = UCON,
90                 .ulcon       = ULCON,
91                 .ufcon       = UFCON,
92                 .clocks      = at2440evb_serial_clocks,
93                 .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
94         },
95 };
96
97 /* NAND Flash on AT2440EVB board */
98
99 static struct mtd_partition at2440evb_default_nand_part[] = {
100         [0] = {
101                 .name   = "Boot Agent",
102                 .size   = SZ_256K,
103                 .offset = 0,
104         },
105         [1] = {
106                 .name   = "Kernel",
107                 .size   = SZ_2M,
108                 .offset = SZ_256K,
109         },
110         [2] = {
111                 .name   = "Root",
112                 .offset = SZ_256K + SZ_2M,
113                 .size   = MTDPART_SIZ_FULL,
114         },
115 };
116
117 static struct s3c2410_nand_set at2440evb_nand_sets[] = {
118         [0] = {
119                 .name           = "nand",
120                 .nr_chips       = 1,
121                 .nr_partitions  = ARRAY_SIZE(at2440evb_default_nand_part),
122                 .partitions     = at2440evb_default_nand_part,
123         },
124 };
125
126 static struct s3c2410_platform_nand at2440evb_nand_info = {
127         .tacls          = 25,
128         .twrph0         = 55,
129         .twrph1         = 40,
130         .nr_sets        = ARRAY_SIZE(at2440evb_nand_sets),
131         .sets           = at2440evb_nand_sets,
132 };
133
134 /* DM9000AEP 10/100 ethernet controller */
135
136 static struct resource at2440evb_dm9k_resource[] = {
137         [0] = {
138                 .start = S3C2410_CS3,
139                 .end   = S3C2410_CS3 + 3,
140                 .flags = IORESOURCE_MEM
141         },
142         [1] = {
143                 .start = S3C2410_CS3 + 4,
144                 .end   = S3C2410_CS3 + 7,
145                 .flags = IORESOURCE_MEM
146         },
147         [2] = {
148                 .start = IRQ_EINT7,
149                 .end   = IRQ_EINT7,
150                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
151         }
152 };
153
154 static struct dm9000_plat_data at2440evb_dm9k_pdata = {
155         .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
156 };
157
158 static struct platform_device at2440evb_device_eth = {
159         .name           = "dm9000",
160         .id             = -1,
161         .num_resources  = ARRAY_SIZE(at2440evb_dm9k_resource),
162         .resource       = at2440evb_dm9k_resource,
163         .dev            = {
164                 .platform_data  = &at2440evb_dm9k_pdata,
165         },
166 };
167
168 static struct s3c24xx_mci_pdata at2440evb_mci_pdata = {
169         .gpio_detect    = S3C2410_GPG10,
170 };
171
172 /* 7" LCD panel */
173
174 static struct s3c2410fb_display at2440evb_lcd_cfg __initdata = {
175
176         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
177                           S3C2410_LCDCON5_INVVLINE |
178                           S3C2410_LCDCON5_INVVFRAME |
179                           S3C2410_LCDCON5_PWREN |
180                           S3C2410_LCDCON5_HWSWP,
181
182         .type           = S3C2410_LCDCON1_TFT,
183
184         .width          = 800,
185         .height         = 480,
186
187         .pixclock       = 33333, /* HCLK 60 MHz, divisor 2 */
188         .xres           = 800,
189         .yres           = 480,
190         .bpp            = 16,
191         .left_margin    = 88,
192         .right_margin   = 40,
193         .hsync_len      = 128,
194         .upper_margin   = 32,
195         .lower_margin   = 11,
196         .vsync_len      = 2,
197 };
198
199 static struct s3c2410fb_mach_info at2440evb_fb_info __initdata = {
200         .displays       = &at2440evb_lcd_cfg,
201         .num_displays   = 1,
202         .default_display = 0,
203 };
204
205 static struct platform_device *at2440evb_devices[] __initdata = {
206         &s3c_device_usb,
207         &s3c_device_wdt,
208         &s3c_device_adc,
209         &s3c_device_i2c0,
210         &s3c_device_rtc,
211         &s3c_device_nand,
212         &s3c_device_sdi,
213         &s3c_device_lcd,
214         &at2440evb_device_eth,
215 };
216
217 static void __init at2440evb_map_io(void)
218 {
219         s3c_device_nand.dev.platform_data = &at2440evb_nand_info;
220         s3c_device_sdi.name = "s3c2440-sdi";
221         s3c_device_sdi.dev.platform_data = &at2440evb_mci_pdata;
222
223         s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
224         s3c24xx_init_clocks(16934400);
225         s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
226 }
227
228 static void __init at2440evb_init(void)
229 {
230         s3c24xx_fb_set_platdata(&at2440evb_fb_info);
231         s3c_i2c0_set_platdata(NULL);
232
233         platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
234 }
235
236
237 MACHINE_START(AT2440EVB, "AT2440EVB")
238         .phys_io        = S3C2410_PA_UART,
239         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
240         .boot_params    = S3C2410_SDRAM_PA + 0x100,
241         .map_io         = at2440evb_map_io,
242         .init_machine   = at2440evb_init,
243         .init_irq       = s3c24xx_init_irq,
244         .timer          = &s3c24xx_timer,
245 MACHINE_END