diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-14 14:58:01 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-14 14:58:01 +0200 |
commit | 51ca3c679194e7435c25b8e77b0a73c597e41ae9 (patch) | |
tree | a681dca369607ab0f371d5246b0f75140b860a8a /arch/arm/mach-at91/include/mach/uncompress.h | |
parent | b55793f7528ce1b73c25b3ac8a86a6cda2a0f9a4 (diff) | |
parent | b635acec48bcaa9183fcbf4e3955616b0d4119b5 (diff) |
Merge branch 'linus' into x86/core
Conflicts:
arch/x86/kernel/genapic_64.c
include/asm-x86/kvm_host.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-at91/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-at91/include/mach/uncompress.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/uncompress.h b/arch/arm/mach-at91/include/mach/uncompress.h new file mode 100644 index 00000000000..0410d548e9b --- /dev/null +++ b/arch/arm/mach-at91/include/mach/uncompress.h @@ -0,0 +1,76 @@ +/* + * arch/arm/mach-at91/include/mach/uncompress.h + * + * Copyright (C) 2003 SAN People + * + * 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/io.h> +#include <linux/atmel_serial.h> + +#if defined(CONFIG_AT91_EARLY_DBGU) +#define UART_OFFSET (AT91_DBGU + AT91_BASE_SYS) +#elif defined(CONFIG_AT91_EARLY_USART0) +#define UART_OFFSET AT91_USART0 +#elif defined(CONFIG_AT91_EARLY_USART1) +#define UART_OFFSET AT91_USART1 +#elif defined(CONFIG_AT91_EARLY_USART2) +#define UART_OFFSET AT91_USART2 +#elif defined(CONFIG_AT91_EARLY_USART3) +#define UART_OFFSET AT91_USART3 +#elif defined(CONFIG_AT91_EARLY_USART4) +#define UART_OFFSET AT91_USART4 +#elif defined(CONFIG_AT91_EARLY_USART5) +#define UART_OFFSET AT91_USART5 +#endif + +/* + * The following code assumes the serial port has already been + * initialized by the bootloader. If you didn't setup a port in + * your bootloader then nothing will appear (which might be desired). + * + * This does not append a newline + */ +static void putc(int c) +{ +#ifdef UART_OFFSET + void __iomem *sys = (void __iomem *) UART_OFFSET; /* physical address */ + + while (!(__raw_readl(sys + ATMEL_US_CSR) & ATMEL_US_TXRDY)) + barrier(); + __raw_writel(c, sys + ATMEL_US_THR); +#endif +} + +static inline void flush(void) +{ +#ifdef UART_OFFSET + void __iomem *sys = (void __iomem *) UART_OFFSET; /* physical address */ + + /* wait for transmission to complete */ + while (!(__raw_readl(sys + ATMEL_US_CSR) & ATMEL_US_TXEMPTY)) + barrier(); +#endif +} + +#define arch_decomp_setup() + +#define arch_decomp_wdog() + +#endif |