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 "map.h"
27
28 #include "devs.h"
29 #include "cpu.h"
30 #include <linux/platform_data/i2c-s3c2410.h>
31 #include "gpio-samsung.h"
32
33 #include "s3c64xx.h"
34
35 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
36 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
37 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
38
39 static struct s3c2410_uartcfg smdk6400_uartcfgs[] __initdata = {
40 [0] = {
41 .hwport = 0,
42 .flags = 0,
43 .ucon = 0x3c5,
44 .ulcon = 0x03,
45 .ufcon = 0x51,
46 },
47 [1] = {
48 .hwport = 1,
49 .flags = 0,
50 .ucon = 0x3c5,
51 .ulcon = 0x03,
52 .ufcon = 0x51,
53 },
54 };
55
56 static struct map_desc smdk6400_iodesc[] = {};
57
smdk6400_map_io(void)58 static void __init smdk6400_map_io(void)
59 {
60 s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
61 s3c64xx_set_xtal_freq(12000000);
62 s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs));
63 s3c64xx_set_timer_source(S3C64XX_PWM3, S3C64XX_PWM4);
64 }
65
66 static struct platform_device *smdk6400_devices[] __initdata = {
67 &s3c_device_hsmmc1,
68 &s3c_device_i2c0,
69 };
70
71 static struct i2c_board_info i2c_devs[] __initdata = {
72 { I2C_BOARD_INFO("wm8753", 0x1A), },
73 { I2C_BOARD_INFO("24c08", 0x50), },
74 };
75
smdk6400_machine_init(void)76 static void __init smdk6400_machine_init(void)
77 {
78 i2c_register_board_info(0, i2c_devs, ARRAY_SIZE(i2c_devs));
79 platform_add_devices(smdk6400_devices, ARRAY_SIZE(smdk6400_devices));
80 }
81
82 MACHINE_START(SMDK6400, "SMDK6400")
83 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
84 .atag_offset = 0x100,
85 .nr_irqs = S3C64XX_NR_IRQS,
86 .init_irq = s3c6400_init_irq,
87 .map_io = smdk6400_map_io,
88 .init_machine = smdk6400_machine_init,
89 .init_time = s3c64xx_timer_init,
90 MACHINE_END
91