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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/arm/mach-exynos/include/mach/uncompress.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/arm/mach-exynos/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-exynos/include/mach/uncompress.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/include/mach/uncompress.h b/arch/arm/mach-exynos/include/mach/uncompress.h
new file mode 100644
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--- /dev/null
+++ b/arch/arm/mach-exynos/include/mach/uncompress.h
@@ -0,0 +1,52 @@
+/*
+ * 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
+ *
+ */
+ chip_id >>= 20;
+ chip_id &= 0xf;
+
+ if (chip_id == 0x5)
+ 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 */