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_BYTE,
44 .pfn = __phys_to_pfn(S3C2410_CS2),
45 .length = 0x10000,
46 .type = MT_DEVICE,
47 }, {
48 .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
49 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
50 .length = SZ_4M,
51 .type = MT_DEVICE,
52 }
53 };
54
55 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
56 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
57 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
58
59 static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
60 [0] = {
61 .hwport = 0,
62 .flags = 0,
63 .ucon = 0x3c5,
64 .ulcon = 0x03,
65 .ufcon = 0x51,
66 },
67 [1] = {
68 .hwport = 1,
69 .flags = 0,
70 .ucon = 0x3c5,
71 .ulcon = 0x03,
72 .ufcon = 0x51,
73 },
74 /* IR port */
75 [2] = {
76 .hwport = 2,
77 .flags = 0,
78 .ucon = 0x3c5,
79 .ulcon = 0x43,
80 .ufcon = 0x51,
81 },
82 [3] = {
83 .hwport = 3,
84 .flags = 0,
85 .ucon = 0x3c5,
86 .ulcon = 0x03,
87 .ufcon = 0x51,
88 }
89 };
90
91 static struct platform_device *smdk2443_devices[] __initdata = {
92 &s3c_device_wdt,
93 &s3c_device_i2c0,
94 &s3c_device_hsmmc1,
95 &s3c2443_device_dma,
96 };
97
smdk2443_map_io(void)98 static void __init smdk2443_map_io(void)
99 {
100 s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
101 s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
102 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
103 }
104
smdk2443_init_time(void)105 static void __init smdk2443_init_time(void)
106 {
107 s3c2443_init_clocks(12000000);
108 s3c24xx_timer_init();
109 }
110
smdk2443_machine_init(void)111 static void __init smdk2443_machine_init(void)
112 {
113 s3c_i2c0_set_platdata(NULL);
114 platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
115 smdk_machine_init();
116 }
117
118 MACHINE_START(SMDK2443, "SMDK2443")
119 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
120 .atag_offset = 0x100,
121 .nr_irqs = NR_IRQS_S3C2443,
122 .init_irq = s3c2443_init_irq,
123 .map_io = smdk2443_map_io,
124 .init_machine = smdk2443_machine_init,
125 .init_time = smdk2443_init_time,
126 MACHINE_END
127