diff options
Diffstat (limited to 'kernel/arch/arm/mach-w90x900/include/mach/uncompress.h')
| -rw-r--r-- | kernel/arch/arm/mach-w90x900/include/mach/uncompress.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-w90x900/include/mach/uncompress.h b/kernel/arch/arm/mach-w90x900/include/mach/uncompress.h new file mode 100644 index 000000000..4b7c324ff --- /dev/null +++ b/kernel/arch/arm/mach-w90x900/include/mach/uncompress.h @@ -0,0 +1,48 @@ +/* + * arch/arm/mach-w90x900/include/mach/uncompress.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/uncompress.h + * + * 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. + * + */ + +#ifndef __ASM_ARCH_UNCOMPRESS_H +#define __ASM_ARCH_UNCOMPRESS_H + +/* Defines for UART registers */ + +#include <mach/regs-serial.h> +#include <mach/map.h> +#include <linux/serial_reg.h> + +#define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) +static volatile u32 * const uart_base = (u32 *)UART0_PA; + +static void putc(int ch) +{ + /* Check THRE and TEMT bits before we transmit the character. + */ + while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE) + barrier(); + + *uart_base = ch; +} + +static inline void flush(void) +{ +} + +static void arch_decomp_setup(void) +{ +} + +#endif/* __ASM_W90X900_UNCOMPRESS_H */ |