mach-goni.c revision c8def0857f93413db795ce3586bcc3c3eaae7088 
1/* linux/arch/arm/mach-s5pv210/mach-goni.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 *		http://www.samsung.com/
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9*/
10
11#include <linux/kernel.h>
12#include <linux/types.h>
13#include <linux/init.h>
14#include <linux/serial_core.h>
15
16#include <asm/mach/arch.h>
17#include <asm/mach/map.h>
18#include <asm/setup.h>
19#include <asm/mach-types.h>
20
21#include <mach/map.h>
22#include <mach/regs-clock.h>
23
24#include <plat/regs-serial.h>
25#include <plat/s5pv210.h>
26#include <plat/devs.h>
27#include <plat/cpu.h>
28
29/* Following are default values for UCON, ULCON and UFCON UART registers */
30#define GONI_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
31				 S3C2410_UCON_RXILEVEL |	\
32				 S3C2410_UCON_TXIRQMODE |	\
33				 S3C2410_UCON_RXIRQMODE |	\
34				 S3C2410_UCON_RXFIFO_TOI |	\
35				 S3C2443_UCON_RXERR_IRQEN)
36
37#define GONI_ULCON_DEFAULT	S3C2410_LCON_CS8
38
39#define GONI_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
40				 S5PV210_UFCON_TXTRIG4 |	\
41				 S5PV210_UFCON_RXTRIG4)
42
43static struct s3c2410_uartcfg goni_uartcfgs[] __initdata = {
44	[0] = {
45		.hwport		= 0,
46		.flags		= 0,
47		.ucon		= GONI_UCON_DEFAULT,
48		.ulcon		= GONI_ULCON_DEFAULT,
49		.ufcon		= GONI_UFCON_DEFAULT,
50	},
51	[1] = {
52		.hwport		= 1,
53		.flags		= 0,
54		.ucon		= GONI_UCON_DEFAULT,
55		.ulcon		= GONI_ULCON_DEFAULT,
56		.ufcon		= GONI_UFCON_DEFAULT,
57	},
58	[2] = {
59		.hwport		= 2,
60		.flags		= 0,
61		.ucon		= GONI_UCON_DEFAULT,
62		.ulcon		= GONI_ULCON_DEFAULT,
63		.ufcon		= GONI_UFCON_DEFAULT,
64	},
65	[3] = {
66		.hwport		= 3,
67		.flags		= 0,
68		.ucon		= GONI_UCON_DEFAULT,
69		.ulcon		= GONI_ULCON_DEFAULT,
70		.ufcon		= GONI_UFCON_DEFAULT,
71	},
72};
73
74static struct platform_device *goni_devices[] __initdata = {
75};
76
77static void __init goni_map_io(void)
78{
79	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
80	s3c24xx_init_clocks(24000000);
81	s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
82}
83
84static void __init goni_machine_init(void)
85{
86	platform_add_devices(goni_devices, ARRAY_SIZE(goni_devices));
87}
88
89MACHINE_START(GONI, "GONI")
90	/* Maintainers: Kyungmin Park <kyungmin.park@samsung.com> */
91	.phys_io	= S3C_PA_UART & 0xfff00000,
92	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
93	.boot_params	= S5P_PA_SDRAM + 0x100,
94	.init_irq	= s5pv210_init_irq,
95	.map_io		= goni_map_io,
96	.init_machine	= goni_machine_init,
97	.timer		= &s3c24xx_timer,
98MACHINE_END
99