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 36static 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 63static 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 70static 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 77MACHINE_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, 86MACHINE_END 87