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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-07-21 00:55:14 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-07-21 00:55:14 -0400 |
| commit | 908cf4b925e419bc74f3297b2f0e51d6f8a81da2 (patch) | |
| tree | 6c2da79366d4695a9c2560ab18259eca8a2a25b4 /include/asm-arm/arch-orion5x/uncompress.h | |
| parent | 92c49890922d54cba4b1eadeb0b185773c2c9570 (diff) | |
| parent | 14b395e35d1afdd8019d11b92e28041fad591b71 (diff) | |
| download | talos-op-linux-908cf4b925e419bc74f3297b2f0e51d6f8a81da2.tar.gz talos-op-linux-908cf4b925e419bc74f3297b2f0e51d6f8a81da2.zip | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
Diffstat (limited to 'include/asm-arm/arch-orion5x/uncompress.h')
| -rw-r--r-- | include/asm-arm/arch-orion5x/uncompress.h | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/include/asm-arm/arch-orion5x/uncompress.h b/include/asm-arm/arch-orion5x/uncompress.h index 5c13d4fafb4e..7548cedf2d76 100644 --- a/include/asm-arm/arch-orion5x/uncompress.h +++ b/include/asm-arm/arch-orion5x/uncompress.h @@ -8,23 +8,38 @@ * warranty of any kind, whether express or implied. */ +#include <linux/serial_reg.h> #include <asm/arch/orion5x.h> -#define MV_UART_THR ((volatile unsigned char *)(UART0_PHYS_BASE + 0x0)) -#define MV_UART_LSR ((volatile unsigned char *)(UART0_PHYS_BASE + 0x14)) - -#define LSR_THRE 0x20 +#define SERIAL_BASE ((unsigned char *)UART0_PHYS_BASE) static void putc(const char c) { - int j = 0x1000; - while (--j && !(*MV_UART_LSR & LSR_THRE)) + unsigned char *base = SERIAL_BASE; + int i; + + for (i = 0; i < 0x1000; i++) { + if (base[UART_LSR << 2] & UART_LSR_THRE) + break; barrier(); - *MV_UART_THR = c; + } + + 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(); + } } /* |
