66876c6f2f1c593f643cbdd9be679a7949597a27
[linux-2.6.git] / 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 <asm/irq.h>
32 #include <asm/mach-types.h>
33
34 #include <plat/regs-serial.h>
35 #include <mach/regs-gpio.h>
36 #include <mach/regs-mem.h>
37 #include <mach/regs-lcd.h>
38 #include <asm/plat-s3c/nand.h>
39
40 #include <linux/mtd/mtd.h>
41 #include <linux/mtd/nand.h>
42 #include <linux/mtd/nand_ecc.h>
43 #include <linux/mtd/partitions.h>
44
45 #include <plat/clock.h>
46 #include <plat/devs.h>
47 #include <plat/cpu.h>
48
49 static struct map_desc at2440evb_iodesc[] __initdata = {
50         /* Nothing here */
51 };
52
53 #define UCON S3C2410_UCON_DEFAULT
54 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
55 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
56
57 static struct s3c24xx_uart_clksrc at2440evb_serial_clocks[] = {
58         [0] = {
59                 .name           = "uclk",
60                 .divisor        = 1,
61                 .min_baud       = 0,
62                 .max_baud       = 0,
63         },
64         [1] = {
65                 .name           = "pclk",
66                 .divisor        = 1,
67                 .min_baud       = 0,
68                 .max_baud       = 0,
69         }
70 };
71
72
73 static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
74         [0] = {
75                 .hwport      = 0,
76                 .flags       = 0,
77                 .ucon        = UCON,
78                 .ulcon       = ULCON,
79                 .ufcon       = UFCON,
80                 .clocks      = at2440evb_serial_clocks,
81                 .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
82         },
83         [1] = {
84                 .hwport      = 1,
85                 .flags       = 0,
86                 .ucon        = UCON,
87                 .ulcon       = ULCON,
88                 .ufcon       = UFCON,
89                 .clocks      = at2440evb_serial_clocks,
90                 .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
91         },
92 };
93
94 /* NAND Flash on AT2440EVB board */
95
96 static struct mtd_partition at2440evb_default_nand_part[] = {
97         [0] = {
98                 .name   = "Boot Agent",
99                 .size   = SZ_256K,
100                 .offset = 0,
101         },
102         [1] = {
103                 .name   = "Kernel",
104                 .size   = SZ_2M,
105                 .offset = SZ_256K,
106         },
107         [2] = {
108                 .name   = "Root",
109                 .offset = SZ_256K + SZ_2M,
110                 .size   = MTDPART_SIZ_FULL,
111         },
112 };
113
114 static struct s3c2410_nand_set at2440evb_nand_sets[] = {
115         [0] = {
116                 .name           = "nand",
117                 .nr_chips       = 1,
118                 .nr_partitions  = ARRAY_SIZE(at2440evb_default_nand_part),
119                 .partitions     = at2440evb_default_nand_part,
120         },
121 };
122
123 static struct s3c2410_platform_nand at2440evb_nand_info = {
124         .tacls          = 25,
125         .twrph0         = 55,
126         .twrph1         = 40,
127         .nr_sets        = ARRAY_SIZE(at2440evb_nand_sets),
128         .sets           = at2440evb_nand_sets,
129 };
130
131 /* DM9000AEP 10/100 ethernet controller */
132
133 static struct resource at2440evb_dm9k_resource[] = {
134         [0] = {
135                 .start = S3C2410_CS3,
136                 .end   = S3C2410_CS3 + 3,
137                 .flags = IORESOURCE_MEM
138         },
139         [1] = {
140                 .start = S3C2410_CS3 + 4,
141                 .end   = S3C2410_CS3 + 7,
142                 .flags = IORESOURCE_MEM
143         },
144         [2] = {
145                 .start = IRQ_EINT7,
146                 .end   = IRQ_EINT7,
147                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
148         }
149 };
150
151 static struct dm9000_plat_data at2440evb_dm9k_pdata = {
152         .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
153 };
154
155 static struct platform_device at2440evb_device_eth = {
156         .name           = "dm9000",
157         .id             = -1,
158         .num_resources  = ARRAY_SIZE(at2440evb_dm9k_resource),
159         .resource       = at2440evb_dm9k_resource,
160         .dev            = {
161                 .platform_data  = &at2440evb_dm9k_pdata,
162         },
163 };
164
165 static struct platform_device *at2440evb_devices[] __initdata = {
166         &s3c_device_usb,
167         &s3c_device_wdt,
168         &s3c_device_adc,
169         &s3c_device_i2c,
170         &s3c_device_rtc,
171         &s3c_device_nand,
172         &at2440evb_device_eth,
173 };
174
175 static void __init at2440evb_map_io(void)
176 {
177         s3c_device_nand.dev.platform_data = &at2440evb_nand_info;
178
179         s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
180         s3c24xx_init_clocks(16934400);
181         s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
182 }
183
184 static void __init at2440evb_init(void)
185 {
186         platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
187 }
188
189
190 MACHINE_START(AT2440EVB, "AT2440EVB")
191         .phys_io        = S3C2410_PA_UART,
192         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
193         .boot_params    = S3C2410_SDRAM_PA + 0x100,
194         .map_io         = at2440evb_map_io,
195         .init_machine   = at2440evb_init,
196         .init_irq       = s3c24xx_init_irq,
197         .timer          = &s3c24xx_timer,
198 MACHINE_END