diff options
Diffstat (limited to 'arch/arm/mach-zynq/include/mach/uncompress.h')
| -rw-r--r-- | arch/arm/mach-zynq/include/mach/uncompress.h | 51 | 
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/mach-zynq/include/mach/uncompress.h b/arch/arm/mach-zynq/include/mach/uncompress.h new file mode 100644 index 00000000000..af4e8447bfa --- /dev/null +++ b/arch/arm/mach-zynq/include/mach/uncompress.h @@ -0,0 +1,51 @@ +/* arch/arm/mach-zynq/include/mach/uncompress.h + * + *  Copyright (C) 2011 Xilinx + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + */ + +#ifndef __MACH_UNCOMPRESS_H__ +#define __MACH_UNCOMPRESS_H__ + +#include <linux/io.h> +#include <asm/processor.h> +#include <mach/zynq_soc.h> +#include <mach/uart.h> + +void arch_decomp_setup(void) +{ +} + +static inline void flush(void) +{ +	/* +	 * Wait while the FIFO is not empty +	 */ +	while (!(__raw_readl(IOMEM(LL_UART_PADDR + UART_SR_OFFSET)) & +		UART_SR_TXEMPTY)) +		cpu_relax(); +} + +#define arch_decomp_wdog() + +static void putc(char ch) +{ +	/* +	 * Wait for room in the FIFO, then write the char into the FIFO +	 */ +	while (__raw_readl(IOMEM(LL_UART_PADDR + UART_SR_OFFSET)) & +		UART_SR_TXFULL) +		cpu_relax(); + +	__raw_writel(ch, IOMEM(LL_UART_PADDR + UART_FIFO_OFFSET)); +} + +#endif  |