Commit | Line | Data |
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8ad68bbf CM |
1 | /* |
2 | * linux/include/asm-arm/arch-realview/uncompress.h | |
3 | * | |
4 | * Copyright (C) 2003 ARM Limited | |
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 as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
be509729 | 20 | #include <asm/arch/hardware.h> |
9a386f06 | 21 | #include <asm/mach-types.h> |
8ad68bbf | 22 | |
9a386f06 | 23 | #include <asm/arch/board-eb.h> |
34401ec4 | 24 | #include <asm/arch/board-pb11mp.h> |
14a6acc2 | 25 | #include <asm/arch/board-pb1176.h> |
356cb470 | 26 | |
9a386f06 CM |
27 | #define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00)) |
28 | #define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c)) | |
29 | #define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30)) | |
30 | #define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18)) | |
31 | ||
32 | /* | |
33 | * Return the UART base address | |
34 | */ | |
35 | static inline unsigned long get_uart_base(void) | |
36 | { | |
37 | if (machine_is_realview_eb()) | |
38 | return REALVIEW_EB_UART0_BASE; | |
34401ec4 CM |
39 | else if (machine_is_realview_pb11mp()) |
40 | return REALVIEW_PB11MP_UART0_BASE; | |
14a6acc2 CM |
41 | else if (machine_is_realview_pb1176()) |
42 | return REALVIEW_PB1176_UART0_BASE; | |
9a386f06 CM |
43 | else |
44 | return 0; | |
45 | } | |
8ad68bbf CM |
46 | |
47 | /* | |
48 | * This does not append a newline | |
49 | */ | |
a081568d | 50 | static inline void putc(int c) |
8ad68bbf | 51 | { |
9a386f06 CM |
52 | unsigned long base = get_uart_base(); |
53 | ||
54 | while (AMBA_UART_FR(base) & (1 << 5)) | |
a081568d | 55 | barrier(); |
8ad68bbf | 56 | |
9a386f06 | 57 | AMBA_UART_DR(base) = c; |
a081568d | 58 | } |
8ad68bbf | 59 | |
a081568d RK |
60 | static inline void flush(void) |
61 | { | |
9a386f06 CM |
62 | unsigned long base = get_uart_base(); |
63 | ||
64 | while (AMBA_UART_FR(base) & (1 << 3)) | |
8ad68bbf CM |
65 | barrier(); |
66 | } | |
67 | ||
68 | /* | |
69 | * nothing to do | |
70 | */ | |
71 | #define arch_decomp_setup() | |
72 | #define arch_decomp_wdog() |