diff options
Diffstat (limited to 'arch/arm/mach-sa1100/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-sa1100/include/mach/uncompress.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/uncompress.h b/arch/arm/mach-sa1100/include/mach/uncompress.h new file mode 100644 index 00000000000..714160b03d7 --- /dev/null +++ b/arch/arm/mach-sa1100/include/mach/uncompress.h | |||
@@ -0,0 +1,50 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-sa1100/include/mach/uncompress.h | ||
3 | * | ||
4 | * (C) 1999 Nicolas Pitre <nico@cam.org> | ||
5 | * | ||
6 | * Reorganised to be machine independent. | ||
7 | */ | ||
8 | |||
9 | #include "hardware.h" | ||
10 | |||
11 | /* | ||
12 | * The following code assumes the serial port has already been | ||
13 | * initialized by the bootloader. We search for the first enabled | ||
14 | * port in the most probable order. If you didn't setup a port in | ||
15 | * your bootloader then nothing will appear (which might be desired). | ||
16 | */ | ||
17 | |||
18 | #define UART(x) (*(volatile unsigned long *)(serial_port + (x))) | ||
19 | |||
20 | static void putc(int c) | ||
21 | { | ||
22 | unsigned long serial_port; | ||
23 | |||
24 | do { | ||
25 | serial_port = _Ser3UTCR0; | ||
26 | if (UART(UTCR3) & UTCR3_TXE) break; | ||
27 | serial_port = _Ser1UTCR0; | ||
28 | if (UART(UTCR3) & UTCR3_TXE) break; | ||
29 | serial_port = _Ser2UTCR0; | ||
30 | if (UART(UTCR3) & UTCR3_TXE) break; | ||
31 | return; | ||
32 | } while (0); | ||
33 | |||
34 | /* wait for space in the UART's transmitter */ | ||
35 | while (!(UART(UTSR1) & UTSR1_TNF)) | ||
36 | barrier(); | ||
37 | |||
38 | /* send the character out. */ | ||
39 | UART(UTDR) = c; | ||
40 | } | ||
41 | |||
42 | static inline void flush(void) | ||
43 | { | ||
44 | } | ||
45 | |||
46 | /* | ||
47 | * Nothing to do for these | ||
48 | */ | ||
49 | #define arch_decomp_setup() | ||
50 | #define arch_decomp_wdog() | ||