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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 09:44:51 +0400 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 09:44:51 +0400 |
commit | 43d2548bb2ef7e6d753f91468a746784041e522d (patch) | |
tree | 77d13fcd48fd998393abb825ec36e2b732684a73 /include/asm-arm/arch-kirkwood/uncompress.h | |
parent | 585583d95c5660973bc0cf64add517b040acd8a4 (diff) | |
parent | 85082fd7cbe3173198aac0eb5e85ab1edcc6352c (diff) | |
download | linux-43d2548bb2ef7e6d753f91468a746784041e522d.tar.xz |
Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-build
Manual fixup of:
arch/powerpc/Kconfig
Diffstat (limited to 'include/asm-arm/arch-kirkwood/uncompress.h')
-rw-r--r-- | include/asm-arm/arch-kirkwood/uncompress.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/asm-arm/arch-kirkwood/uncompress.h b/include/asm-arm/arch-kirkwood/uncompress.h new file mode 100644 index 000000000000..a9062b6d7680 --- /dev/null +++ b/include/asm-arm/arch-kirkwood/uncompress.h @@ -0,0 +1,47 @@ +/* + * include/asm-arm/arch-kirkwood/uncompress.h + * + * 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/serial_reg.h> +#include <asm/arch/kirkwood.h> + +#define SERIAL_BASE ((unsigned char *)UART0_PHYS_BASE) + +static void putc(const char c) +{ + unsigned char *base = SERIAL_BASE; + int i; + + for (i = 0; i < 0x1000; i++) { + if (base[UART_LSR << 2] & UART_LSR_THRE) + break; + barrier(); + } + + base[UART_TX << 2] = c; +} + +static void flush(void) +{ + unsigned char *base = SERIAL_BASE; + unsigned char mask; + int i; + + mask = UART_LSR_TEMT | UART_LSR_THRE; + + for (i = 0; i < 0x1000; i++) { + if ((base[UART_LSR << 2] & mask) == mask) + break; + barrier(); + } +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() |