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 <asm/irq.h>
26 #include <asm/mach-types.h>
27
28 #include "regs-gpio.h"
29
30 #include <linux/platform_data/fb-s3c2410.h>
31 #include <linux/platform_data/i2c-s3c2410.h>
32
33 #include "devs.h"
34 #include "cpu.h"
35
36 #include "s3c24xx.h"
37 #include "common-smdk-s3c24xx.h"
38
39 static struct map_desc smdk2443_iodesc[] __initdata = {
40 /* ISA IO Space map (memory space selected by A24) */
41
42 {
43 .virtual = (u32)S3C24XX_VA_ISA_WORD,
44 .pfn = __phys_to_pfn(S3C2410_CS2),
45 .length = 0x10000,
46 .type = MT_DEVICE,
47 }, {
48 .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
49 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
50 .length = SZ_4M,
51 .type = MT_DEVICE,
52 }, {
53 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
54 .pfn = __phys_to_pfn(S3C2410_CS2),
55 .length = 0x10000,
56 .type = MT_DEVICE,
57 }, {
58 .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
59 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
60 .length = SZ_4M,
61 .type = MT_DEVICE,
62 }
63 };
64
65 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
66 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
67 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
68
69 static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
70 [0] = {
71 .hwport = 0,
72 .flags = 0,
73 .ucon = 0x3c5,
74 .ulcon = 0x03,
75 .ufcon = 0x51,
76 },
77 [1] = {
78 .hwport = 1,
79 .flags = 0,
80 .ucon = 0x3c5,
81 .ulcon = 0x03,
82 .ufcon = 0x51,
83 },
84 /* IR port */
85 [2] = {
86 .hwport = 2,
87 .flags = 0,
88 .ucon = 0x3c5,
89 .ulcon = 0x43,
90 .ufcon = 0x51,
91 },
92 [3] = {
93 .hwport = 3,
94 .flags = 0,
95 .ucon = 0x3c5,
96 .ulcon = 0x03,
97 .ufcon = 0x51,
98 }
99 };
100
101 static struct platform_device *smdk2443_devices[] __initdata = {
102 &s3c_device_wdt,
103 &s3c_device_i2c0,
104 &s3c_device_hsmmc1,
105 &s3c2443_device_dma,
106 };
107
smdk2443_map_io(void)108 static void __init smdk2443_map_io(void)
109 {
110 s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
111 s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
112 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
113 }
114
smdk2443_init_time(void)115 static void __init smdk2443_init_time(void)
116 {
117 s3c2443_init_clocks(12000000);
118 s3c24xx_timer_init();
119 }
120
smdk2443_machine_init(void)121 static void __init smdk2443_machine_init(void)
122 {
123 s3c_i2c0_set_platdata(NULL);
124 platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
125 smdk_machine_init();
126 }
127
128 MACHINE_START(SMDK2443, "SMDK2443")
129 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
130 .atag_offset = 0x100,
131
132 .init_irq = s3c2443_init_irq,
133 .map_io = smdk2443_map_io,
134 .init_machine = smdk2443_machine_init,
135 .init_time = smdk2443_init_time,
136 MACHINE_END
137