diff options
Diffstat (limited to 'kernel/arch/arm/mach-clps711x/include/mach/uncompress.h')
-rw-r--r-- | kernel/arch/arm/mach-clps711x/include/mach/uncompress.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-clps711x/include/mach/uncompress.h b/kernel/arch/arm/mach-clps711x/include/mach/uncompress.h new file mode 100644 index 000000000..5f02d06dc --- /dev/null +++ b/kernel/arch/arm/mach-clps711x/include/mach/uncompress.h @@ -0,0 +1,55 @@ +/* + * arch/arm/mach-clps711x/include/mach/uncompress.h + * + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * 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 + */ +#include <mach/clps711x.h> + +#ifdef CONFIG_DEBUG_CLPS711X_UART2 +#define SYSFLGx SYSFLG2 +#define UARTDRx UARTDR2 +#else +#define SYSFLGx SYSFLG1 +#define UARTDRx UARTDR1 +#endif + +#define phys_reg(x) (*(volatile u32 *)(CLPS711X_PHYS_BASE + (x))) + +/* + * 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 inline void putc(int c) +{ + while (phys_reg(SYSFLGx) & SYSFLG_UTXFF) + barrier(); + phys_reg(UARTDRx) = c; +} + +static inline void flush(void) +{ + while (phys_reg(SYSFLGx) & SYSFLG_UBUSY) + barrier(); +} + +/* + * nothing to do + */ +#define arch_decomp_setup() |