diff options
Diffstat (limited to 'arch/arm/mach-imx/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-imx/include/mach/uncompress.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/include/mach/uncompress.h b/arch/arm/mach-imx/include/mach/uncompress.h new file mode 100644 index 000000000000..70523e67a8f6 --- /dev/null +++ b/arch/arm/mach-imx/include/mach/uncompress.h | |||
@@ -0,0 +1,71 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-imxads/include/mach/uncompress.h | ||
3 | * | ||
4 | * | ||
5 | * | ||
6 | * Copyright (C) 1999 ARM Limited | ||
7 | * Copyright (C) Shane Nay (shane@minirl.com) | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License as published by | ||
11 | * the Free Software Foundation; either version 2 of the License, or | ||
12 | * (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 | */ | ||
23 | |||
24 | #define UART(x) (*(volatile unsigned long *)(serial_port + (x))) | ||
25 | |||
26 | #define UART1_BASE 0x206000 | ||
27 | #define UART2_BASE 0x207000 | ||
28 | #define USR2 0x98 | ||
29 | #define USR2_TXFE (1<<14) | ||
30 | #define TXR 0x40 | ||
31 | #define UCR1 0x80 | ||
32 | #define UCR1_UARTEN 1 | ||
33 | |||
34 | /* | ||
35 | * The following code assumes the serial port has already been | ||
36 | * initialized by the bootloader. We search for the first enabled | ||
37 | * port in the most probable order. If you didn't setup a port in | ||
38 | * your bootloader then nothing will appear (which might be desired). | ||
39 | * | ||
40 | * This does not append a newline | ||
41 | */ | ||
42 | static void putc(int c) | ||
43 | { | ||
44 | unsigned long serial_port; | ||
45 | |||
46 | do { | ||
47 | serial_port = UART1_BASE; | ||
48 | if ( UART(UCR1) & UCR1_UARTEN ) | ||
49 | break; | ||
50 | serial_port = UART2_BASE; | ||
51 | if ( UART(UCR1) & UCR1_UARTEN ) | ||
52 | break; | ||
53 | return; | ||
54 | } while(0); | ||
55 | |||
56 | while (!(UART(USR2) & USR2_TXFE)) | ||
57 | barrier(); | ||
58 | |||
59 | UART(TXR) = c; | ||
60 | } | ||
61 | |||
62 | static inline void flush(void) | ||
63 | { | ||
64 | } | ||
65 | |||
66 | /* | ||
67 | * nothing to do | ||
68 | */ | ||
69 | #define arch_decomp_setup() | ||
70 | |||
71 | #define arch_decomp_wdog() | ||