1/* linux/arch/arm/mach-s5p6442/mach-smdk6442.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/s5p6442.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 SMDK6442_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 SMDK6442_ULCON_DEFAULT S3C2410_LCON_CS8 38 39#define SMDK6442_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ 40 S5PV210_UFCON_TXTRIG4 | \ 41 S5PV210_UFCON_RXTRIG4) 42 43static struct s3c2410_uartcfg smdk6442_uartcfgs[] __initdata = { 44 [0] = { 45 .hwport = 0, 46 .flags = 0, 47 .ucon = SMDK6442_UCON_DEFAULT, 48 .ulcon = SMDK6442_ULCON_DEFAULT, 49 .ufcon = SMDK6442_UFCON_DEFAULT, 50 }, 51 [1] = { 52 .hwport = 1, 53 .flags = 0, 54 .ucon = SMDK6442_UCON_DEFAULT, 55 .ulcon = SMDK6442_ULCON_DEFAULT, 56 .ufcon = SMDK6442_UFCON_DEFAULT, 57 }, 58 [2] = { 59 .hwport = 2, 60 .flags = 0, 61 .ucon = SMDK6442_UCON_DEFAULT, 62 .ulcon = SMDK6442_ULCON_DEFAULT, 63 .ufcon = SMDK6442_UFCON_DEFAULT, 64 }, 65}; 66 67static struct platform_device *smdk6442_devices[] __initdata = { 68 &s5p6442_device_iis0, 69 &s3c_device_wdt, 70}; 71 72static void __init smdk6442_map_io(void) 73{ 74 s5p_init_io(NULL, 0, S5P_VA_CHIPID); 75 s3c24xx_init_clocks(12000000); 76 s3c24xx_init_uarts(smdk6442_uartcfgs, ARRAY_SIZE(smdk6442_uartcfgs)); 77} 78 79static void __init smdk6442_machine_init(void) 80{ 81 platform_add_devices(smdk6442_devices, ARRAY_SIZE(smdk6442_devices)); 82} 83 84MACHINE_START(SMDK6442, "SMDK6442") 85 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */ 86 .phys_io = S3C_PA_UART & 0xfff00000, 87 .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc, 88 .boot_params = S5P_PA_SDRAM + 0x100, 89 .init_irq = s5p6442_init_irq, 90 .map_io = smdk6442_map_io, 91 .init_machine = smdk6442_machine_init, 92 .timer = &s3c24xx_timer, 93MACHINE_END 94