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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 17:14:38 +1100 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 17:14:38 +1100 |
commit | bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch) | |
tree | 2f6dffd2d3e4dd67355a224de7e7a960335a92fd /arch/arm/mach-ux500/include/mach/uncompress.h | |
parent | 11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff) | |
parent | 3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff) |
Merge commit 'origin/master' into next
Conflicts:
include/linux/kvm.h
Diffstat (limited to 'arch/arm/mach-ux500/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-ux500/include/mach/uncompress.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/include/mach/uncompress.h b/arch/arm/mach-ux500/include/mach/uncompress.h new file mode 100644 index 00000000000..8552eb188b5 --- /dev/null +++ b/arch/arm/mach-ux500/include/mach/uncompress.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2009 ST-Ericsson + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_UNCOMPRESS_H +#define __ASM_ARCH_UNCOMPRESS_H + +#include <asm/setup.h> +#include <linux/io.h> +#include <mach/hardware.h> + +#define U8500_UART_DR 0x80007000 +#define U8500_UART_LCRH 0x8000702c +#define U8500_UART_CR 0x80007030 +#define U8500_UART_FR 0x80007018 + +static void putc(const char c) +{ + /* Do nothing if the UART is not enabled. */ + if (!(readb(U8500_UART_CR) & 0x1)) + return; + + if (c == '\n') + putc('\r'); + + while (readb(U8500_UART_FR) & (1 << 5)) + barrier(); + writeb(c, U8500_UART_DR); +} + +static void flush(void) +{ + if (!(readb(U8500_UART_CR) & 0x1)) + return; + while (readb(U8500_UART_FR) & (1 << 3)) + barrier(); +} + +static inline void arch_decomp_setup(void) +{ +} + +#define arch_decomp_wdog() /* nothing to do here */ + +#endif /* __ASM_ARCH_UNCOMPRESS_H */ |