1 /* linux/arch/arm/mach-s5p6442/mach-smdk6442.c
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
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.
11 #include <linux/kernel.h>
12 #include <linux/types.h>
13 #include <linux/init.h>
14 #include <linux/serial_core.h>
16 #include <asm/mach/arch.h>
17 #include <asm/mach/map.h>
18 #include <asm/setup.h>
19 #include <asm/mach-types.h>
22 #include <mach/regs-clock.h>
24 #include <plat/regs-serial.h>
25 #include <plat/s5p6442.h>
26 #include <plat/devs.h>
29 /* Following are default values for UCON, ULCON and UFCON UART registers */
30 #define S5P6442_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)
37 #define S5P6442_ULCON_DEFAULT S3C2410_LCON_CS8
39 #define S5P6442_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
40 S5PV210_UFCON_TXTRIG4 | \
41 S5PV210_UFCON_RXTRIG4)
43 static struct s3c2410_uartcfg smdk6442_uartcfgs[] __initdata = {
47 .ucon = S5P6442_UCON_DEFAULT,
48 .ulcon = S5P6442_ULCON_DEFAULT,
49 .ufcon = S5P6442_UFCON_DEFAULT,
54 .ucon = S5P6442_UCON_DEFAULT,
55 .ulcon = S5P6442_ULCON_DEFAULT,
56 .ufcon = S5P6442_UFCON_DEFAULT,
61 .ucon = S5P6442_UCON_DEFAULT,
62 .ulcon = S5P6442_ULCON_DEFAULT,
63 .ufcon = S5P6442_UFCON_DEFAULT,
67 static struct platform_device *smdk6442_devices[] __initdata = {
70 static void __init smdk6442_map_io(void)
72 s5p_init_io(NULL, 0, S5P_VA_CHIPID);
73 s3c24xx_init_clocks(12000000);
74 s3c24xx_init_uarts(smdk6442_uartcfgs, ARRAY_SIZE(smdk6442_uartcfgs));
77 static void __init smdk6442_machine_init(void)
79 platform_add_devices(smdk6442_devices, ARRAY_SIZE(smdk6442_devices));
82 MACHINE_START(SMDK6442, "SMDK6442")
83 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
84 .phys_io = S3C_PA_UART & 0xfff00000,
85 .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
86 .boot_params = S5P_PA_SDRAM + 0x100,
87 .init_irq = s5p6442_init_irq,
88 .map_io = smdk6442_map_io,
89 .init_machine = smdk6442_machine_init,
90 .timer = &s3c24xx_timer,