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- /*
- * Copyright (c) 2010-2012 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * EXYNOS - uncompress code
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #ifndef __ASM_ARCH_UNCOMPRESS_H
- #define __ASM_ARCH_UNCOMPRESS_H __FILE__
- #include <asm/mach-types.h>
- #include <mach/map.h>
- volatile u8 *uart_base;
- #include <plat/uncompress.h>
- static unsigned int __raw_readl(unsigned int ptr)
- {
- return *((volatile unsigned int *)ptr);
- }
- static void arch_detect_cpu(void)
- {
- u32 chip_id = __raw_readl(EXYNOS_PA_CHIPID);
- /*
- * product_id is bits 31:12
- * bits 23:20 describe the exynosX family
- * bits 27:24 describe the exynosX family in exynos5420
- */
- chip_id >>= 20;
- if ((chip_id & 0x0f) == 0x5 || (chip_id & 0xf0) == 0x50)
- uart_base = (volatile u8 *)EXYNOS5_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT);
- else
- uart_base = (volatile u8 *)EXYNOS4_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT);
- /*
- * For preventing FIFO overrun or infinite loop of UART console,
- * fifo_max should be the minimum fifo size of all of the UART channels
- */
- fifo_mask = S5PV210_UFSTAT_TXMASK;
- fifo_max = 15 << S5PV210_UFSTAT_TXSHIFT;
- }
- #endif /* __ASM_ARCH_UNCOMPRESS_H */
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