diff options
Diffstat (limited to 'arch/arm/mach-imx/include/mach/uncompress.h')
| -rw-r--r-- | arch/arm/mach-imx/include/mach/uncompress.h | 71 | 
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/include/mach/uncompress.h b/arch/arm/mach-imx/include/mach/uncompress.h new file mode 100644 index 00000000000..70523e67a8f --- /dev/null +++ b/arch/arm/mach-imx/include/mach/uncompress.h @@ -0,0 +1,71 @@ +/* + *  arch/arm/mach-imxads/include/mach/uncompress.h + * + * + * + *  Copyright (C) 1999 ARM Limited + *  Copyright (C) Shane Nay (shane@minirl.com) + * + * 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 + */ + +#define UART(x) (*(volatile unsigned long *)(serial_port + (x))) + +#define UART1_BASE 0x206000 +#define UART2_BASE 0x207000 +#define USR2 0x98 +#define USR2_TXFE (1<<14) +#define TXR  0x40 +#define UCR1 0x80 +#define UCR1_UARTEN 1 + +/* + * The following code assumes the serial port has already been + * initialized by the bootloader.  We search for the first enabled + * port in the most probable order.  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) +{ +	unsigned long serial_port; + +	do { +		serial_port = UART1_BASE; +		if ( UART(UCR1) & UCR1_UARTEN ) +			break; +		serial_port = UART2_BASE; +		if ( UART(UCR1) & UCR1_UARTEN ) +			break; +		return; +	} while(0); + +	while (!(UART(USR2) & USR2_TXFE)) +		barrier(); + +	UART(TXR) = c; +} + +static inline void flush(void) +{ +} + +/* + * nothing to do + */ +#define arch_decomp_setup() + +#define arch_decomp_wdog()  |