1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Copyright (c) 2004 Nex Vision
4 // Guillaume GOURAT <guillaume.gourat@nexvision.fr>
5
6 #include <linux/kernel.h>
7 #include <linux/types.h>
8 #include <linux/interrupt.h>
9 #include <linux/list.h>
10 #include <linux/timer.h>
11 #include <linux/init.h>
12 #include <linux/serial_core.h>
13 #include <linux/serial_s3c.h>
14 #include <linux/platform_device.h>
15 #include <linux/io.h>
16
17 #include <linux/platform_data/i2c-s3c2410.h>
18
19 #include <asm/irq.h>
20 #include <asm/mach-types.h>
21 #include <asm/mach/arch.h>
22 #include <asm/mach/map.h>
23 #include <asm/mach/irq.h>
24
25 #include "gpio-samsung.h"
26 #include "gpio-cfg.h"
27
28 #include "cpu.h"
29 #include "devs.h"
30
31 #include "s3c24xx.h"
32 #include "otom.h"
33
34 static struct map_desc otom11_iodesc[] __initdata = {
35 /* Device area */
36 { (u32)OTOM_VA_CS8900A_BASE, OTOM_PA_CS8900A_BASE, SZ_16M, MT_DEVICE },
37 };
38
39 #define UCON S3C2410_UCON_DEFAULT
40 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
41 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
42
43 static struct s3c2410_uartcfg otom11_uartcfgs[] __initdata = {
44 [0] = {
45 .hwport = 0,
46 .flags = 0,
47 .ucon = UCON,
48 .ulcon = ULCON,
49 .ufcon = UFCON,
50 },
51 [1] = {
52 .hwport = 1,
53 .flags = 0,
54 .ucon = UCON,
55 .ulcon = ULCON,
56 .ufcon = UFCON,
57 },
58 /* port 2 is not actually used */
59 [2] = {
60 .hwport = 2,
61 .flags = 0,
62 .ucon = UCON,
63 .ulcon = ULCON,
64 .ufcon = UFCON,
65 }
66 };
67
68 /* NOR Flash on NexVision OTOM board */
69
70 static struct resource otom_nor_resource[] = {
71 [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_4M),
72 };
73
74 static struct platform_device otom_device_nor = {
75 .name = "mtd-flash",
76 .id = -1,
77 .num_resources = ARRAY_SIZE(otom_nor_resource),
78 .resource = otom_nor_resource,
79 };
80
81 /* Standard OTOM devices */
82
83 static struct platform_device *otom11_devices[] __initdata = {
84 &s3c_device_ohci,
85 &s3c_device_lcd,
86 &s3c_device_wdt,
87 &s3c_device_i2c0,
88 &s3c_device_iis,
89 &s3c_device_rtc,
90 &otom_device_nor,
91 };
92
otom11_map_io(void)93 static void __init otom11_map_io(void)
94 {
95 s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc));
96 s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs));
97 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
98 }
99
otom11_init_time(void)100 static void __init otom11_init_time(void)
101 {
102 s3c2410_init_clocks(12000000);
103 s3c24xx_timer_init();
104 }
105
otom11_init(void)106 static void __init otom11_init(void)
107 {
108 s3c_i2c0_set_platdata(NULL);
109
110 /* Configure the I2S pins (GPE0...GPE4) in correct mode */
111 s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
112 S3C_GPIO_PULL_NONE);
113 platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices));
114 }
115
116 MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
117 /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
118 .atag_offset = 0x100,
119 .nr_irqs = NR_IRQS_S3C2410,
120 .map_io = otom11_map_io,
121 .init_machine = otom11_init,
122 .init_irq = s3c2410_init_irq,
123 .init_time = otom11_init_time,
124 MACHINE_END
125