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author | Joerg Roedel <joerg.roedel@amd.com> | 2010-06-01 11:57:49 +0400 |
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committer | Joerg Roedel <joerg.roedel@amd.com> | 2010-06-01 11:57:49 +0400 |
commit | 1d61e73ab4c7470833241af888939a7aab2b0354 (patch) | |
tree | dd714c2428070a7ea2bf807c2821ac75ff13ec55 /arch/arm/plat-spear/include/plat/uncompress.h | |
parent | 84fe6c19e4a598e8071e3bd1b2c923454eae1268 (diff) | |
parent | 67a3e12b05e055c0415c556a315a3d3eb637e29e (diff) | |
download | linux-1d61e73ab4c7470833241af888939a7aab2b0354.tar.xz |
Merge commit 'v2.6.35-rc1' into amd-iommu/2.6.35
Diffstat (limited to 'arch/arm/plat-spear/include/plat/uncompress.h')
-rw-r--r-- | arch/arm/plat-spear/include/plat/uncompress.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/plat-spear/include/plat/uncompress.h b/arch/arm/plat-spear/include/plat/uncompress.h new file mode 100644 index 000000000000..99ba6789cc97 --- /dev/null +++ b/arch/arm/plat-spear/include/plat/uncompress.h @@ -0,0 +1,43 @@ +/* + * arch/arm/plat-spear/include/plat/uncompress.h + * + * Serial port stubs for kernel decompress status messages + * + * Copyright (C) 2009 ST Microelectronics + * Viresh Kumar<viresh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/io.h> +#include <linux/amba/serial.h> +#include <mach/spear.h> + +#ifndef __PLAT_UNCOMPRESS_H +#define __PLAT_UNCOMPRESS_H +/* + * This does not append a newline + */ +static inline void putc(int c) +{ + void __iomem *base = (void __iomem *)SPEAR_DBG_UART_BASE; + + while (readl(base + UART01x_FR) & UART01x_FR_TXFF) + barrier(); + + writel(c, base + UART01x_DR); +} + +static inline void flush(void) +{ +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() + +#endif /* __PLAT_UNCOMPRESS_H */ |