2 * Copyright (c) 2010-2012 Samsung Electronics Co., Ltd.
3 * http://www.samsung.com
5 * EXYNOS - uncompress code
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #ifndef __ASM_ARCH_UNCOMPRESS_H
13 #define __ASM_ARCH_UNCOMPRESS_H __FILE__
15 #include <asm/mach-types.h>
19 volatile u8 *uart_base;
21 #include <plat/uncompress.h>
23 static unsigned int __raw_readl(unsigned int ptr)
25 return *((volatile unsigned int *)ptr);
28 static void arch_detect_cpu(void)
30 u32 chip_id = __raw_readl(EXYNOS_PA_CHIPID);
33 * product_id is bits 31:12
34 * bits 23:20 describe the exynosX family
41 uart_base = (volatile u8 *)EXYNOS5_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT);
43 uart_base = (volatile u8 *)EXYNOS4_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT);
46 * For preventing FIFO overrun or infinite loop of UART console,
47 * fifo_max should be the minimum fifo size of all of the UART channels
49 fifo_mask = S5PV210_UFSTAT_TXMASK;
50 fifo_max = 15 << S5PV210_UFSTAT_TXSHIFT;
52 #endif /* __ASM_ARCH_UNCOMPRESS_H */