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 	.map_io		= otom11_map_io,
120 	.init_machine	= otom11_init,
121 	.init_irq	= s3c2410_init_irq,
122 	.init_time	= otom11_init_time,
123 MACHINE_END
124