Merge tag 'audit-pr-20180403' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoor...
[linux-2.6-microblaze.git] / arch / arm / mach-s3c24xx / mach-smdk2443.c
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
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
118 static void __init smdk2443_init_time(void)
119 {
120         s3c2443_init_clocks(12000000);
121         samsung_timer_init();
122 }
123
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