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
at2440evb_map_io(void)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
at2440evb_init(void)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
246