1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Copyright 2008 Simtec Electronics
4 //	Ben Dooks <ben@simtec.co.uk>
5 //	http://armlinux.simtec.co.uk/
6 
7 #include <linux/kernel.h>
8 #include <linux/types.h>
9 #include <linux/interrupt.h>
10 #include <linux/list.h>
11 #include <linux/timer.h>
12 #include <linux/init.h>
13 #include <linux/serial_core.h>
14 #include <linux/serial_s3c.h>
15 #include <linux/platform_device.h>
16 #include <linux/i2c.h>
17 #include <linux/io.h>
18 
19 #include <asm/mach-types.h>
20 
21 #include <asm/mach/arch.h>
22 #include <asm/mach/map.h>
23 #include <asm/mach/irq.h>
24 
25 #include <mach/irqs.h>
26 #include <mach/hardware.h>
27 #include <mach/map.h>
28 
29 #include <plat/devs.h>
30 #include <plat/cpu.h>
31 #include <linux/platform_data/i2c-s3c2410.h>
32 #include <mach/gpio-samsung.h>
33 #include <plat/samsung-time.h>
34 
35 #include "common.h"
36 
37 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
38 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
39 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
40 
41 static struct s3c2410_uartcfg smdk6400_uartcfgs[] __initdata = {
42 	[0] = {
43 		.hwport	     = 0,
44 		.flags	     = 0,
45 		.ucon	     = 0x3c5,
46 		.ulcon	     = 0x03,
47 		.ufcon	     = 0x51,
48 	},
49 	[1] = {
50 		.hwport	     = 1,
51 		.flags	     = 0,
52 		.ucon	     = 0x3c5,
53 		.ulcon	     = 0x03,
54 		.ufcon	     = 0x51,
55 	},
56 };
57 
58 static struct map_desc smdk6400_iodesc[] = {};
59 
smdk6400_map_io(void)60 static void __init smdk6400_map_io(void)
61 {
62 	s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
63 	s3c64xx_set_xtal_freq(12000000);
64 	s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs));
65 	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
66 }
67 
68 static struct platform_device *smdk6400_devices[] __initdata = {
69 	&s3c_device_hsmmc1,
70 	&s3c_device_i2c0,
71 };
72 
73 static struct i2c_board_info i2c_devs[] __initdata = {
74 	{ I2C_BOARD_INFO("wm8753", 0x1A), },
75 	{ I2C_BOARD_INFO("24c08", 0x50), },
76 };
77 
smdk6400_machine_init(void)78 static void __init smdk6400_machine_init(void)
79 {
80 	i2c_register_board_info(0, i2c_devs, ARRAY_SIZE(i2c_devs));
81 	platform_add_devices(smdk6400_devices, ARRAY_SIZE(smdk6400_devices));
82 }
83 
84 MACHINE_START(SMDK6400, "SMDK6400")
85 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
86 	.atag_offset	= 0x100,
87 	.nr_irqs	= S3C64XX_NR_IRQS,
88 	.init_irq	= s3c6400_init_irq,
89 	.map_io		= smdk6400_map_io,
90 	.init_machine	= smdk6400_machine_init,
91 	.init_time	= samsung_timer_init,
92 	.restart	= s3c64xx_restart,
93 MACHINE_END
94