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Commit | Line | Data |
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651c74c7 SB |
1 | /* |
2 | * include/asm-arm/arch-kirkwood/uncompress.h | |
3 | * | |
4 | * This file is licensed under the terms of the GNU General Public | |
5 | * License version 2. This program is licensed "as is" without any | |
6 | * warranty of any kind, whether express or implied. | |
7 | */ | |
8 | ||
9 | #include <linux/serial_reg.h> | |
10 | #include <asm/arch/kirkwood.h> | |
11 | ||
12 | #define SERIAL_BASE ((unsigned char *)UART0_PHYS_BASE) | |
13 | ||
14 | static void putc(const char c) | |
15 | { | |
16 | unsigned char *base = SERIAL_BASE; | |
17 | int i; | |
18 | ||
19 | for (i = 0; i < 0x1000; i++) { | |
20 | if (base[UART_LSR << 2] & UART_LSR_THRE) | |
21 | break; | |
22 | barrier(); | |
23 | } | |
24 | ||
25 | base[UART_TX << 2] = c; | |
26 | } | |
27 | ||
28 | static void flush(void) | |
29 | { | |
30 | unsigned char *base = SERIAL_BASE; | |
31 | unsigned char mask; | |
32 | int i; | |
33 | ||
34 | mask = UART_LSR_TEMT | UART_LSR_THRE; | |
35 | ||
36 | for (i = 0; i < 0x1000; i++) { | |
37 | if ((base[UART_LSR << 2] & mask) == mask) | |
38 | break; | |
39 | barrier(); | |
40 | } | |
41 | } | |
42 | ||
43 | /* | |
44 | * nothing to do | |
45 | */ | |
46 | #define arch_decomp_setup() | |
47 | #define arch_decomp_wdog() |