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192.168.1.100 / T103 / 1f884588077ad3476b9c91cbb0ee9ee0332bbb68 / . / src / kernel / linux / v4.14 / arch / arm / mach-s3c24xx / mach-smdk2443.c
blob: 474cd81aa8ad58bd261e1fc0371ea8a19bf30369 [file] [log] [blame]
rjw1f884582022-01-06 17:20:42 +0800[diff] [blame^]1/* linux/arch/arm/mach-s3c2443/mach-smdk2443.c
2 *
3 * Copyright (c) 2007 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * http://www.fluff.org/ben/smdk2443/
7 *
8 * Thanks to Samsung for the loan of an SMDK2443
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
16#include <linux/kernel.h>
17#include <linux/types.h>
18#include <linux/interrupt.h>
19#include <linux/list.h>
20#include <linux/timer.h>
21#include <linux/init.h>
22#include <linux/serial_core.h>
23#include <linux/serial_s3c.h>
24#include <linux/platform_device.h>
25#include <linux/io.h>
26
27#include <asm/mach/arch.h>
28#include <asm/mach/map.h>
29#include <asm/mach/irq.h>
30
31#include <mach/hardware.h>
32#include <asm/irq.h>
33#include <asm/mach-types.h>
34
35#include <mach/regs-gpio.h>
36#include <mach/regs-lcd.h>
37
38#include <mach/fb.h>
39#include <linux/platform_data/i2c-s3c2410.h>
40
41#include <plat/devs.h>
42#include <plat/cpu.h>
43#include <plat/samsung-time.h>
44
45#include "common.h"
46#include "common-smdk.h"
47
48static struct map_desc smdk2443_iodesc[] __initdata = {
49 /* ISA IO Space map (memory space selected by A24) */
50
51 {
52 .virtual = (u32)S3C24XX_VA_ISA_WORD,
53 .pfn = __phys_to_pfn(S3C2410_CS2),
54 .length = 0x10000,
55 .type = MT_DEVICE,
56 }, {
57 .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
58 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
59 .length = SZ_4M,
60 .type = MT_DEVICE,
61 }, {
62 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
63 .pfn = __phys_to_pfn(S3C2410_CS2),
64 .length = 0x10000,
65 .type = MT_DEVICE,
66 }, {
67 .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
68 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
69 .length = SZ_4M,
70 .type = MT_DEVICE,
71 }
72};
73
74#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
75#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
76#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
77
78static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
79 [0] = {
80 .hwport = 0,
81 .flags = 0,
82 .ucon = 0x3c5,
83 .ulcon = 0x03,
84 .ufcon = 0x51,
85 },
86 [1] = {
87 .hwport = 1,
88 .flags = 0,
89 .ucon = 0x3c5,
90 .ulcon = 0x03,
91 .ufcon = 0x51,
92 },
93 /* IR port */
94 [2] = {
95 .hwport = 2,
96 .flags = 0,
97 .ucon = 0x3c5,
98 .ulcon = 0x43,
99 .ufcon = 0x51,
100 },
101 [3] = {
102 .hwport = 3,
103 .flags = 0,
104 .ucon = 0x3c5,
105 .ulcon = 0x03,
106 .ufcon = 0x51,
107 }
108};
109
110static struct platform_device *smdk2443_devices[] __initdata = {
111 &s3c_device_wdt,
112 &s3c_device_i2c0,
113 &s3c_device_hsmmc1,
114 &s3c2443_device_dma,
115};
116
117static void __init smdk2443_map_io(void)
118{
119 s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
120 s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
121 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
122}
123
124static void __init smdk2443_init_time(void)
125{
126 s3c2443_init_clocks(12000000);
127 samsung_timer_init();
128}
129
130static void __init smdk2443_machine_init(void)
131{
132 s3c_i2c0_set_platdata(NULL);
133 platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
134 smdk_machine_init();
135}
136
137MACHINE_START(SMDK2443, "SMDK2443")
138 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
139 .atag_offset = 0x100,
140
141 .init_irq = s3c2443_init_irq,
142 .map_io = smdk2443_map_io,
143 .init_machine = smdk2443_machine_init,
144 .init_time = smdk2443_init_time,
145MACHINE_END