diff options
author | Paul Mackerras <paulus@samba.org> | 2006-03-29 13:24:50 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2006-03-29 13:24:50 +1100 |
commit | bac30d1a78d0f11c613968fc8b351a91ed465386 (patch) | |
tree | e52f3c876522a2f6047a6ec1c27df2e8a79486b8 /include/asm-arm/arch-ebsa110/uncompress.h | |
parent | e8222502ee6157e2713da9e0792c21f4ad458d50 (diff) | |
parent | ca9ba4471c1203bb6e759b76e83167fec54fe590 (diff) |
Merge ../linux-2.6
Diffstat (limited to 'include/asm-arm/arch-ebsa110/uncompress.h')
-rw-r--r-- | include/asm-arm/arch-ebsa110/uncompress.h | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/include/asm-arm/arch-ebsa110/uncompress.h b/include/asm-arm/arch-ebsa110/uncompress.h index eee95581a923..66b19c7fd908 100644 --- a/include/asm-arm/arch-ebsa110/uncompress.h +++ b/include/asm-arm/arch-ebsa110/uncompress.h @@ -8,33 +8,34 @@ * published by the Free Software Foundation. */ +#include <linux/serial_reg.h> + +#define SERIAL_BASE ((unsigned char *)0xfe000be0) + /* * This does not append a newline */ -static void putstr(const char *s) +static inline void putc(int c) +{ + unsigned char v, *base = SERIAL_BASE; + + do { + v = base[UART_LSR << 2]; + barrier(); + } while (!(v & UART_LSR_THRE)); + + base[UART_TX << 2] = c; +} + +static inline void flush(void) { - unsigned long tmp1, tmp2; - __asm__ __volatile__( - "ldrb %0, [%2], #1\n" -" teq %0, #0\n" -" beq 3f\n" -"1: strb %0, [%3]\n" -"2: ldrb %1, [%3, #0x14]\n" -" and %1, %1, #0x60\n" -" teq %1, #0x60\n" -" bne 2b\n" -" teq %0, #'\n'\n" -" moveq %0, #'\r'\n" -" beq 1b\n" -" ldrb %0, [%2], #1\n" -" teq %0, #0\n" -" bne 1b\n" -"3: ldrb %1, [%3, #0x14]\n" -" and %1, %1, #0x60\n" -" teq %1, #0x60\n" -" bne 3b" - : "=&r" (tmp1), "=&r" (tmp2) - : "r" (s), "r" (0xf0000be0) : "cc"); + unsigned char v, *base = SERIAL_BASE; + + do { + v = base[UART_LSR << 2]; + barrier(); + } while ((v & (UART_LSR_TEMT|UART_LSR_THRE)) != + (UART_LSR_TEMT|UART_LSR_THRE)); } /* |