1 // SPDX-License-Identifier: GPL-2.0
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 #include <linux/kernel.h>
11 #include <linux/types.h>
12 #include <linux/interrupt.h>
13 #include <linux/list.h>
14 #include <linux/timer.h>
15 #include <linux/init.h>
16 #include <linux/serial_core.h>
17 #include <linux/serial_s3c.h>
18 #include <linux/platform_device.h>
19 #include <linux/io.h>
20
21 #include <asm/mach/arch.h>
22 #include <asm/mach/map.h>
23 #include <asm/mach/irq.h>
24
25 #include <mach/hardware.h>
26 #include <asm/irq.h>
27 #include <asm/mach-types.h>
28
29 #include <mach/regs-gpio.h>
30 #include <mach/regs-lcd.h>
31
32 #include <mach/fb.h>
33 #include <linux/platform_data/i2c-s3c2410.h>
34
35 #include <plat/devs.h>
36 #include <plat/cpu.h>
37 #include <plat/samsung-time.h>
38
39 #include "common.h"
40 #include "common-smdk.h"
41
42 static struct map_desc smdk2443_iodesc[] __initdata = {
43 /* ISA IO Space map (memory space selected by A24) */
44
45 {
46 .virtual = (u32)S3C24XX_VA_ISA_WORD,
47 .pfn = __phys_to_pfn(S3C2410_CS2),
48 .length = 0x10000,
49 .type = MT_DEVICE,
50 }, {
51 .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
52 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
53 .length = SZ_4M,
54 .type = MT_DEVICE,
55 }, {
56 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
57 .pfn = __phys_to_pfn(S3C2410_CS2),
58 .length = 0x10000,
59 .type = MT_DEVICE,
60 }, {
61 .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
62 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
63 .length = SZ_4M,
64 .type = MT_DEVICE,
65 }
66 };
67
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
71
72 static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
73 [0] = {
74 .hwport = 0,
75 .flags = 0,
76 .ucon = 0x3c5,
77 .ulcon = 0x03,
78 .ufcon = 0x51,
79 },
80 [1] = {
81 .hwport = 1,
82 .flags = 0,
83 .ucon = 0x3c5,
84 .ulcon = 0x03,
85 .ufcon = 0x51,
86 },
87 /* IR port */
88 [2] = {
89 .hwport = 2,
90 .flags = 0,
91 .ucon = 0x3c5,
92 .ulcon = 0x43,
93 .ufcon = 0x51,
94 },
95 [3] = {
96 .hwport = 3,
97 .flags = 0,
98 .ucon = 0x3c5,
99 .ulcon = 0x03,
100 .ufcon = 0x51,
101 }
102 };
103
104 static struct platform_device *smdk2443_devices[] __initdata = {
105 &s3c_device_wdt,
106 &s3c_device_i2c0,
107 &s3c_device_hsmmc1,
108 &s3c2443_device_dma,
109 };
110
smdk2443_map_io(void)111 static void __init smdk2443_map_io(void)
112 {
113 s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
114 s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
115 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
116 }
117
smdk2443_init_time(void)118 static void __init smdk2443_init_time(void)
119 {
120 s3c2443_init_clocks(12000000);
121 samsung_timer_init();
122 }
123
smdk2443_machine_init(void)124 static void __init smdk2443_machine_init(void)
125 {
126 s3c_i2c0_set_platdata(NULL);
127 platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
128 smdk_machine_init();
129 }
130
131 MACHINE_START(SMDK2443, "SMDK2443")
132 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
133 .atag_offset = 0x100,
134
135 .init_irq = s3c2443_init_irq,
136 .map_io = smdk2443_map_io,
137 .init_machine = smdk2443_machine_init,
138 .init_time = smdk2443_init_time,
139 MACHINE_END
140