1 // SPDX-License-Identifier: GPL-2.0
2 // linux/arch/arm/mach-s3c2440/mach-smdk2440.c
4 // Copyright (c) 2004-2005 Simtec Electronics
5 // Ben Dooks <ben@simtec.co.uk>
7 // http://www.fluff.org/ben/smdk2440/
9 // Thanks to Dimity Andric and TomTom for the loan of an SMDK2440.
11 #include <linux/kernel.h>
12 #include <linux/types.h>
13 #include <linux/interrupt.h>
14 #include <linux/list.h>
15 #include <linux/timer.h>
16 #include <linux/init.h>
17 #include <linux/serial_core.h>
18 #include <linux/serial_s3c.h>
19 #include <linux/platform_device.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/map.h>
24 #include <asm/mach/irq.h>
27 #include <asm/mach-types.h>
29 #include "regs-gpio.h"
30 #include "gpio-samsung.h"
33 #include <linux/platform_data/fb-s3c2410.h>
34 #include <linux/platform_data/i2c-s3c2410.h>
40 #include "common-smdk-s3c24xx.h"
42 static struct map_desc smdk2440_iodesc[] __initdata = {
43 /* ISA IO Space map (memory space selected by A24) */
46 .virtual = (u32)S3C24XX_VA_ISA_WORD,
47 .pfn = __phys_to_pfn(S3C2410_CS2),
51 .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
52 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
56 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
57 .pfn = __phys_to_pfn(S3C2410_CS2),
61 .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
62 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
68 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
69 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
70 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
72 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
99 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
101 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
102 S3C2410_LCDCON5_INVVLINE |
103 S3C2410_LCDCON5_INVVFRAME |
104 S3C2410_LCDCON5_PWREN |
105 S3C2410_LCDCON5_HWSWP,
107 .type = S3C2410_LCDCON1_TFT,
112 .pixclock = 166667, /* HCLK 60 MHz, divisor 10 */
124 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
125 .displays = &smdk2440_lcd_cfg,
127 .default_display = 0,
130 /* currently setup by downloader */
131 .gpccon = 0xaa940659,
132 .gpccon_mask = 0xffffffff,
134 .gpcup_mask = 0xffffffff,
135 .gpdcon = 0xaa84aaa0,
136 .gpdcon_mask = 0xffffffff,
138 .gpdup_mask = 0xffffffff,
140 .gpccon_reg = S3C2410_GPCCON,
141 .gpcup_reg = S3C2410_GPCUP,
142 .gpdcon_reg = S3C2410_GPDCON,
143 .gpdup_reg = S3C2410_GPDUP,
146 .lpcsel = ((0xCE6) & ~7) | 1<<4,
149 static struct platform_device *smdk2440_devices[] __initdata = {
157 static void __init smdk2440_map_io(void)
159 s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
160 s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
161 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
164 static void __init smdk2440_init_time(void)
166 s3c2440_init_clocks(16934400);
167 s3c24xx_timer_init();
170 static void __init smdk2440_machine_init(void)
172 s3c24xx_fb_set_platdata(&smdk2440_fb_info);
173 s3c_i2c0_set_platdata(NULL);
174 /* Configure the I2S pins (GPE0...GPE4) in correct mode */
175 s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
177 platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
181 MACHINE_START(S3C2440, "SMDK2440")
182 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
183 .atag_offset = 0x100,
185 .init_irq = s3c2440_init_irq,
186 .map_io = smdk2440_map_io,
187 .init_machine = smdk2440_machine_init,
188 .init_time = smdk2440_init_time,