diff options
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 @@ | |||
8 | * published by the Free Software Foundation. | 8 | * published by the Free Software Foundation. |
9 | */ | 9 | */ |
10 | 10 | ||
11 | #include <linux/serial_reg.h> | ||
12 | |||
13 | #define SERIAL_BASE ((unsigned char *)0xfe000be0) | ||
14 | |||
11 | /* | 15 | /* |
12 | * This does not append a newline | 16 | * This does not append a newline |
13 | */ | 17 | */ |
14 | static void putstr(const char *s) | 18 | static inline void putc(int c) |
19 | { | ||
20 | unsigned char v, *base = SERIAL_BASE; | ||
21 | |||
22 | do { | ||
23 | v = base[UART_LSR << 2]; | ||
24 | barrier(); | ||
25 | } while (!(v & UART_LSR_THRE)); | ||
26 | |||
27 | base[UART_TX << 2] = c; | ||
28 | } | ||
29 | |||
30 | static inline void flush(void) | ||
15 | { | 31 | { |
16 | unsigned long tmp1, tmp2; | 32 | unsigned char v, *base = SERIAL_BASE; |
17 | __asm__ __volatile__( | 33 | |
18 | "ldrb %0, [%2], #1\n" | 34 | do { |
19 | " teq %0, #0\n" | 35 | v = base[UART_LSR << 2]; |
20 | " beq 3f\n" | 36 | barrier(); |
21 | "1: strb %0, [%3]\n" | 37 | } while ((v & (UART_LSR_TEMT|UART_LSR_THRE)) != |
22 | "2: ldrb %1, [%3, #0x14]\n" | 38 | (UART_LSR_TEMT|UART_LSR_THRE)); |
23 | " and %1, %1, #0x60\n" | ||
24 | " teq %1, #0x60\n" | ||
25 | " bne 2b\n" | ||
26 | " teq %0, #'\n'\n" | ||
27 | " moveq %0, #'\r'\n" | ||
28 | " beq 1b\n" | ||
29 | " ldrb %0, [%2], #1\n" | ||
30 | " teq %0, #0\n" | ||
31 | " bne 1b\n" | ||
32 | "3: ldrb %1, [%3, #0x14]\n" | ||
33 | " and %1, %1, #0x60\n" | ||
34 | " teq %1, #0x60\n" | ||
35 | " bne 3b" | ||
36 | : "=&r" (tmp1), "=&r" (tmp2) | ||
37 | : "r" (s), "r" (0xf0000be0) : "cc"); | ||
38 | } | 39 | } |
39 | 40 | ||
40 | /* | 41 | /* |