diff options
Diffstat (limited to 'include/asm-arm/arch-davinci/uncompress.h')
-rw-r--r-- | include/asm-arm/arch-davinci/uncompress.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/asm-arm/arch-davinci/uncompress.h b/include/asm-arm/arch-davinci/uncompress.h new file mode 100644 index 000000000000..f6d1570f7206 --- /dev/null +++ b/include/asm-arm/arch-davinci/uncompress.h @@ -0,0 +1,35 @@ +/* + * Serial port stubs for kernel decompress status messages + * + * Author: Anant Gole + * (C) Copyright (C) 2006, Texas Instruments, Inc + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <linux/types.h> +#include <linux/serial_reg.h> +#include <asm/arch/serial.h> + +/* PORT_16C550A, in polled non-fifo mode */ + +static void putc(char c) +{ + volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE; + + while (!(uart[UART_LSR] & UART_LSR_THRE)) + barrier(); + uart[UART_TX] = c; +} + +static inline void flush(void) +{ + volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE; + while (!(uart[UART_LSR] & UART_LSR_THRE)) + barrier(); +} + +#define arch_decomp_setup() +#define arch_decomp_wdog() |