1 // SPDX-License-Identifier: GPL-2.0
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.arm.com/
10 #include <linux/kernel.h>
11 #include <linux/types.h>
12 #include <linux/gpio/machine.h>
13 #include <linux/interrupt.h>
14 #include <linux/list.h>
15 #include <linux/timer.h>
16 #include <linux/init.h>
18 #include <linux/serial_core.h>
19 #include <linux/serial_s3c.h>
20 #include <linux/dm9000.h>
21 #include <linux/platform_device.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/irq.h>
27 #include <mach/hardware.h>
30 #include <asm/mach-types.h>
32 #include <mach/regs-gpio.h>
33 #include <mach/regs-lcd.h>
34 #include <mach/gpio-samsung.h>
35 #include <linux/platform_data/mtd-nand-s3c2410.h>
36 #include <linux/platform_data/i2c-s3c2410.h>
38 #include <linux/mtd/mtd.h>
39 #include <linux/mtd/rawnand.h>
40 #include <linux/mtd/nand_ecc.h>
41 #include <linux/mtd/partitions.h>
43 #include <plat/devs.h>
45 #include <linux/platform_data/mmc-s3cmci.h>
46 #include <plat/samsung-time.h>
50 static struct map_desc at2440evb_iodesc[] __initdata = {
54 #define UCON S3C2410_UCON_DEFAULT
55 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
56 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
58 static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
65 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
73 .clk_sel = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
77 /* NAND Flash on AT2440EVB board */
79 static struct mtd_partition __initdata at2440evb_default_nand_part[] = {
92 .offset = SZ_256K + SZ_2M,
93 .size = MTDPART_SIZ_FULL,
97 static struct s3c2410_nand_set __initdata at2440evb_nand_sets[] = {
101 .nr_partitions = ARRAY_SIZE(at2440evb_default_nand_part),
102 .partitions = at2440evb_default_nand_part,
106 static struct s3c2410_platform_nand __initdata at2440evb_nand_info = {
110 .nr_sets = ARRAY_SIZE(at2440evb_nand_sets),
111 .sets = at2440evb_nand_sets,
112 .ecc_mode = NAND_ECC_SOFT,
115 /* DM9000AEP 10/100 ethernet controller */
117 static struct resource at2440evb_dm9k_resource[] = {
118 [0] = DEFINE_RES_MEM(S3C2410_CS3, 4),
119 [1] = DEFINE_RES_MEM(S3C2410_CS3 + 4, 4),
120 [2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ \
121 | IORESOURCE_IRQ_HIGHEDGE),
124 static struct dm9000_plat_data at2440evb_dm9k_pdata = {
125 .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
128 static struct platform_device at2440evb_device_eth = {
131 .num_resources = ARRAY_SIZE(at2440evb_dm9k_resource),
132 .resource = at2440evb_dm9k_resource,
134 .platform_data = &at2440evb_dm9k_pdata,
138 static struct s3c24xx_mci_pdata at2440evb_mci_pdata __initdata = {
139 /* Intentionally left blank */
142 static struct gpiod_lookup_table at2440evb_mci_gpio_table = {
143 .dev_id = "s3c2410-sdi",
145 /* Card detect S3C2410_GPG(10) */
146 GPIO_LOOKUP("GPIOG", 10, "cd", GPIO_ACTIVE_LOW),
153 static struct s3c2410fb_display at2440evb_lcd_cfg __initdata = {
155 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
156 S3C2410_LCDCON5_INVVLINE |
157 S3C2410_LCDCON5_INVVFRAME |
158 S3C2410_LCDCON5_PWREN |
159 S3C2410_LCDCON5_HWSWP,
161 .type = S3C2410_LCDCON1_TFT,
166 .pixclock = 33333, /* HCLK 60 MHz, divisor 2 */
178 static struct s3c2410fb_mach_info at2440evb_fb_info __initdata = {
179 .displays = &at2440evb_lcd_cfg,
181 .default_display = 0,
184 static struct platform_device *at2440evb_devices[] __initdata = {
193 &at2440evb_device_eth,
196 static void __init at2440evb_map_io(void)
198 s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
199 s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
200 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
203 static void __init at2440evb_init_time(void)
205 s3c2440_init_clocks(16934400);
206 samsung_timer_init();
209 static void __init at2440evb_init(void)
211 s3c24xx_fb_set_platdata(&at2440evb_fb_info);
212 gpiod_add_lookup_table(&at2440evb_mci_gpio_table);
213 s3c24xx_mci_set_platdata(&at2440evb_mci_pdata);
214 s3c_nand_set_platdata(&at2440evb_nand_info);
215 s3c_i2c0_set_platdata(NULL);
217 platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
221 MACHINE_START(AT2440EVB, "AT2440EVB")
222 .atag_offset = 0x100,
223 .map_io = at2440evb_map_io,
224 .init_machine = at2440evb_init,
225 .init_irq = s3c2440_init_irq,
226 .init_time = at2440evb_init_time,