diff options
Diffstat (limited to 'arch/arm/mach-netx/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-netx/include/mach/uncompress.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/mach-netx/include/mach/uncompress.h b/arch/arm/mach-netx/include/mach/uncompress.h new file mode 100644 index 000000000000..84f91284f612 --- /dev/null +++ b/arch/arm/mach-netx/include/mach/uncompress.h | |||
@@ -0,0 +1,76 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-netx/include/mach/uncompress.h | ||
3 | * | ||
4 | * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 | ||
8 | * as published by the Free Software Foundation. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
18 | */ | ||
19 | |||
20 | /* | ||
21 | * The following code assumes the serial port has already been | ||
22 | * initialized by the bootloader. We search for the first enabled | ||
23 | * port in the most probable order. If you didn't setup a port in | ||
24 | * your bootloader then nothing will appear (which might be desired). | ||
25 | * | ||
26 | * This does not append a newline | ||
27 | */ | ||
28 | |||
29 | #define REG(x) (*(volatile unsigned long *)(x)) | ||
30 | |||
31 | #define UART1_BASE 0x100a00 | ||
32 | #define UART2_BASE 0x100a80 | ||
33 | |||
34 | #define UART_DR 0x0 | ||
35 | |||
36 | #define UART_CR 0x14 | ||
37 | #define CR_UART_EN (1<<0) | ||
38 | |||
39 | #define UART_FR 0x18 | ||
40 | #define FR_BUSY (1<<3) | ||
41 | #define FR_TXFF (1<<5) | ||
42 | |||
43 | static void putc(char c) | ||
44 | { | ||
45 | unsigned long base; | ||
46 | |||
47 | if (REG(UART1_BASE + UART_CR) & CR_UART_EN) | ||
48 | base = UART1_BASE; | ||
49 | else if (REG(UART2_BASE + UART_CR) & CR_UART_EN) | ||
50 | base = UART2_BASE; | ||
51 | else | ||
52 | return; | ||
53 | |||
54 | while (REG(base + UART_FR) & FR_TXFF); | ||
55 | REG(base + UART_DR) = c; | ||
56 | } | ||
57 | |||
58 | static inline void flush(void) | ||
59 | { | ||
60 | unsigned long base; | ||
61 | |||
62 | if (REG(UART1_BASE + UART_CR) & CR_UART_EN) | ||
63 | base = UART1_BASE; | ||
64 | else if (REG(UART2_BASE + UART_CR) & CR_UART_EN) | ||
65 | base = UART2_BASE; | ||
66 | else | ||
67 | return; | ||
68 | |||
69 | while (REG(base + UART_FR) & FR_BUSY); | ||
70 | } | ||
71 | |||
72 | /* | ||
73 | * nothing to do | ||
74 | */ | ||
75 | #define arch_decomp_setup() | ||
76 | #define arch_decomp_wdog() | ||