1 /* linux/arch/arm/mach-s3c2440/mach-at2440evb.c
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>
8 * For product information, visit http://www.arm9e.com/
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.
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>
22 #include <linux/serial_core.h>
23 #include <linux/dm9000.h>
24 #include <linux/platform_device.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
30 #include <asm/hardware.h>
32 #include <asm/mach-types.h>
34 #include <asm/plat-s3c/regs-serial.h>
35 #include <asm/arch/regs-gpio.h>
36 #include <asm/arch/regs-mem.h>
37 #include <asm/arch/regs-lcd.h>
38 #include <asm/plat-s3c/nand.h>
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>
45 #include <asm/plat-s3c24xx/clock.h>
46 #include <asm/plat-s3c24xx/devs.h>
47 #include <asm/plat-s3c24xx/cpu.h>
49 static struct map_desc at2440evb_iodesc
[] __initdata
= {
53 #define UCON S3C2410_UCON_DEFAULT
54 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
55 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
57 static struct s3c24xx_uart_clksrc at2440evb_serial_clocks
[] = {
73 static struct s3c2410_uartcfg at2440evb_uartcfgs
[] __initdata
= {
80 .clocks
= at2440evb_serial_clocks
,
81 .clocks_size
= ARRAY_SIZE(at2440evb_serial_clocks
),
89 .clocks
= at2440evb_serial_clocks
,
90 .clocks_size
= ARRAY_SIZE(at2440evb_serial_clocks
),
94 /* NAND Flash on AT2440EVB board */
96 static struct mtd_partition at2440evb_default_nand_part
[] = {
109 .offset
= SZ_256K
+ SZ_2M
,
110 .size
= MTDPART_SIZ_FULL
,
114 static struct s3c2410_nand_set at2440evb_nand_sets
[] = {
118 .nr_partitions
= ARRAY_SIZE(at2440evb_default_nand_part
),
119 .partitions
= at2440evb_default_nand_part
,
123 static struct s3c2410_platform_nand at2440evb_nand_info
= {
127 .nr_sets
= ARRAY_SIZE(at2440evb_nand_sets
),
128 .sets
= at2440evb_nand_sets
,
131 /* DM9000AEP 10/100 ethernet controller */
133 static struct resource at2440evb_dm9k_resource
[] = {
135 .start
= S3C2410_CS3
,
136 .end
= S3C2410_CS3
+ 3,
137 .flags
= IORESOURCE_MEM
140 .start
= S3C2410_CS3
+ 4,
141 .end
= S3C2410_CS3
+ 7,
142 .flags
= IORESOURCE_MEM
147 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHEDGE
,
151 static struct dm9000_plat_data at2440evb_dm9k_pdata
= {
152 .flags
= (DM9000_PLATF_16BITONLY
| DM9000_PLATF_NO_EEPROM
),
155 static struct platform_device at2440evb_device_eth
= {
158 .num_resources
= ARRAY_SIZE(at2440evb_dm9k_resource
),
159 .resource
= at2440evb_dm9k_resource
,
161 .platform_data
= &at2440evb_dm9k_pdata
,
165 static struct platform_device
*at2440evb_devices
[] __initdata
= {
172 &at2440evb_device_eth
,
175 static void __init
at2440evb_map_io(void)
177 s3c_device_nand
.dev
.platform_data
= &at2440evb_nand_info
;
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
));
184 static void __init
at2440evb_init(void)
186 platform_add_devices(at2440evb_devices
, ARRAY_SIZE(at2440evb_devices
));
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
,