diff options
author | Arnd Bergmann <arnd@arndb.de> | 2013-04-19 22:30:31 +0200 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2013-04-19 22:50:01 +0200 |
commit | 1b361942b53c33f38d55065c13785aadb5103a18 (patch) | |
tree | 07b26d32b175f27f18f1fca3d5944a58f89cd17f /arch/arm/mach-spear/include/mach/uncompress.h | |
parent | 61b464aef0e306f141dbc0bb3f9c58049a987a7e (diff) | |
parent | bcf3e72eff584136600a51a5b30ef7a794664d19 (diff) | |
download | linux-rt-1b361942b53c33f38d55065c13785aadb5103a18.tar.gz |
Merge branch 'spear/multiplatform' into late/cleanup
This is a prerequisite for the spear/dwdma series.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-spear/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-spear/include/mach/uncompress.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-spear/include/mach/uncompress.h b/arch/arm/mach-spear/include/mach/uncompress.h new file mode 100644 index 000000000000..51b2dc93e4da --- /dev/null +++ b/arch/arm/mach-spear/include/mach/uncompress.h @@ -0,0 +1,42 @@ +/* + * arch/arm/plat-spear/include/plat/uncompress.h + * + * Serial port stubs for kernel decompress status messages + * + * Copyright (C) 2009 ST Microelectronics + * Viresh Kumar <viresh.linux@gmail.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_relaxed(base + UART01x_FR) & UART01x_FR_TXFF) + barrier(); + + writel_relaxed(c, base + UART01x_DR); +} + +static inline void flush(void) +{ +} + +/* + * nothing to do + */ +#define arch_decomp_setup() + +#endif /* __PLAT_UNCOMPRESS_H */ |