| Kukjin Kim | 461859d | 2010-01-29 10:21:16 +0900 | [diff] [blame] | 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 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) |
| 36 | |
| 37 | #define S5P6442_ULCON_DEFAULT S3C2410_LCON_CS8 |
| 38 | |
| 39 | #define S5P6442_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ |
| 40 | S5PV210_UFCON_TXTRIG4 | \ |
| 41 | S5PV210_UFCON_RXTRIG4) |
| 42 | |
| 43 | static struct s3c2410_uartcfg smdk6442_uartcfgs[] __initdata = { |
| 44 | [0] = { |
| 45 | .hwport = 0, |
| 46 | .flags = 0, |
| 47 | .ucon = S5P6442_UCON_DEFAULT, |
| 48 | .ulcon = S5P6442_ULCON_DEFAULT, |
| 49 | .ufcon = S5P6442_UFCON_DEFAULT, |
| 50 | }, |
| 51 | [1] = { |
| 52 | .hwport = 1, |
| 53 | .flags = 0, |
| 54 | .ucon = S5P6442_UCON_DEFAULT, |
| 55 | .ulcon = S5P6442_ULCON_DEFAULT, |
| 56 | .ufcon = S5P6442_UFCON_DEFAULT, |
| 57 | }, |
| 58 | [2] = { |
| 59 | .hwport = 2, |
| 60 | .flags = 0, |
| 61 | .ucon = S5P6442_UCON_DEFAULT, |
| 62 | .ulcon = S5P6442_ULCON_DEFAULT, |
| 63 | .ufcon = S5P6442_UFCON_DEFAULT, |
| 64 | }, |
| 65 | }; |
| 66 | |
| 67 | static struct platform_device *smdk6442_devices[] __initdata = { |
| 68 | }; |
| 69 | |
| 70 | static void __init smdk6442_map_io(void) |
| 71 | { |
| 72 | s5p_init_io(NULL, 0, S5P_VA_CHIPID); |
| 73 | s3c24xx_init_clocks(12000000); |
| 74 | s3c24xx_init_uarts(smdk6442_uartcfgs, ARRAY_SIZE(smdk6442_uartcfgs)); |
| 75 | } |
| 76 | |
| 77 | static void __init smdk6442_machine_init(void) |
| 78 | { |
| 79 | platform_add_devices(smdk6442_devices, ARRAY_SIZE(smdk6442_devices)); |
| 80 | } |
| 81 | |
| 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, |
| 91 | MACHINE_END |