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>
26 #include <mach/hardware.h>
28 #include <asm/mach-types.h>
30 #include <mach/regs-gpio.h>
31 #include <mach/regs-lcd.h>
34 #include <linux/platform_data/i2c-s3c2410.h>
36 #include <plat/devs.h>
38 #include <plat/samsung-time.h>
41 #include "common-smdk.h"
43 static struct map_desc smdk2440_iodesc[] __initdata = {
44 /* ISA IO Space map (memory space selected by A24) */
47 .virtual = (u32)S3C24XX_VA_ISA_WORD,
48 .pfn = __phys_to_pfn(S3C2410_CS2),
52 .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
53 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
57 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
58 .pfn = __phys_to_pfn(S3C2410_CS2),
62 .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
63 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
69 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
70 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
71 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
73 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
100 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
102 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
103 S3C2410_LCDCON5_INVVLINE |
104 S3C2410_LCDCON5_INVVFRAME |
105 S3C2410_LCDCON5_PWREN |
106 S3C2410_LCDCON5_HWSWP,
108 .type = S3C2410_LCDCON1_TFT,
113 .pixclock = 166667, /* HCLK 60 MHz, divisor 10 */
125 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
126 .displays = &smdk2440_lcd_cfg,
128 .default_display = 0,
131 /* currently setup by downloader */
132 .gpccon = 0xaa940659,
133 .gpccon_mask = 0xffffffff,
135 .gpcup_mask = 0xffffffff,
136 .gpdcon = 0xaa84aaa0,
137 .gpdcon_mask = 0xffffffff,
139 .gpdup_mask = 0xffffffff,
142 .lpcsel = ((0xCE6) & ~7) | 1<<4,
145 static struct platform_device *smdk2440_devices[] __initdata = {
153 static void __init smdk2440_map_io(void)
155 s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
156 s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
157 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
160 static void __init smdk2440_init_time(void)
162 s3c2440_init_clocks(16934400);
163 samsung_timer_init();
166 static void __init smdk2440_machine_init(void)
168 s3c24xx_fb_set_platdata(&smdk2440_fb_info);
169 s3c_i2c0_set_platdata(NULL);
171 platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
175 MACHINE_START(S3C2440, "SMDK2440")
176 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
177 .atag_offset = 0x100,
179 .init_irq = s3c2440_init_irq,
180 .map_io = smdk2440_map_io,
181 .init_machine = smdk2440_machine_init,
182 .init_time = smdk2440_init_time,