| Kyungmin Park | 516607d | 2010-08-06 19:59:21 +0900 | [diff] [blame] | 1 | /* linux/arch/arm/mach-s5pv310/mach-universal_c210.c |
| 2 | * |
| 3 | * Copyright (c) 2010 Samsung Electronics Co., Ltd. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 as |
| 7 | * published by the Free Software Foundation. |
| 8 | */ |
| 9 | |
| 10 | #include <linux/serial_core.h> |
| 11 | |
| 12 | #include <asm/mach/arch.h> |
| 13 | #include <asm/mach-types.h> |
| 14 | #include <asm/hardware/cache-l2x0.h> |
| 15 | |
| 16 | #include <plat/regs-serial.h> |
| 17 | #include <plat/s5pv310.h> |
| 18 | #include <plat/cpu.h> |
| 19 | |
| 20 | #include <mach/map.h> |
| 21 | |
| 22 | /* Following are default values for UCON, ULCON and UFCON UART registers */ |
| 23 | #define UNIVERSAL_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ |
| 24 | S3C2410_UCON_RXILEVEL | \ |
| 25 | S3C2410_UCON_TXIRQMODE | \ |
| 26 | S3C2410_UCON_RXIRQMODE | \ |
| 27 | S3C2410_UCON_RXFIFO_TOI | \ |
| 28 | S3C2443_UCON_RXERR_IRQEN) |
| 29 | |
| 30 | #define UNIVERSAL_ULCON_DEFAULT S3C2410_LCON_CS8 |
| 31 | |
| 32 | #define UNIVERSAL_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ |
| 33 | S5PV210_UFCON_TXTRIG256 | \ |
| 34 | S5PV210_UFCON_RXTRIG256) |
| 35 | |
| 36 | static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = { |
| 37 | [0] = { |
| 38 | .hwport = 0, |
| 39 | .ucon = UNIVERSAL_UCON_DEFAULT, |
| 40 | .ulcon = UNIVERSAL_ULCON_DEFAULT, |
| 41 | .ufcon = UNIVERSAL_UFCON_DEFAULT, |
| 42 | }, |
| 43 | [1] = { |
| 44 | .hwport = 1, |
| 45 | .ucon = UNIVERSAL_UCON_DEFAULT, |
| 46 | .ulcon = UNIVERSAL_ULCON_DEFAULT, |
| 47 | .ufcon = UNIVERSAL_UFCON_DEFAULT, |
| 48 | }, |
| 49 | [2] = { |
| 50 | .hwport = 2, |
| 51 | .ucon = UNIVERSAL_UCON_DEFAULT, |
| 52 | .ulcon = UNIVERSAL_ULCON_DEFAULT, |
| 53 | .ufcon = UNIVERSAL_UFCON_DEFAULT, |
| 54 | }, |
| 55 | [3] = { |
| 56 | .hwport = 3, |
| 57 | .ucon = UNIVERSAL_UCON_DEFAULT, |
| 58 | .ulcon = UNIVERSAL_ULCON_DEFAULT, |
| 59 | .ufcon = UNIVERSAL_UFCON_DEFAULT, |
| 60 | }, |
| 61 | }; |
| 62 | |
| 63 | static void __init universal_map_io(void) |
| 64 | { |
| 65 | s5p_init_io(NULL, 0, S5P_VA_CHIPID); |
| 66 | s3c24xx_init_clocks(24000000); |
| 67 | s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs)); |
| 68 | } |
| 69 | |
| 70 | static void __init universal_machine_init(void) |
| 71 | { |
| 72 | #ifdef CONFIG_CACHE_L2X0 |
| 73 | l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff); |
| 74 | #endif |
| 75 | } |
| 76 | |
| 77 | MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210") |
| 78 | /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */ |
| 79 | .phys_io = S3C_PA_UART & 0xfff00000, |
| 80 | .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc, |
| 81 | .boot_params = S5P_PA_SDRAM + 0x100, |
| 82 | .init_irq = s5pv310_init_irq, |
| 83 | .map_io = universal_map_io, |
| 84 | .init_machine = universal_machine_init, |
| 85 | .timer = &s5pv310_timer, |
| 86 | MACHINE_END |