Lennert Buytenhek | e7736d4 | 2006-03-20 17:10:13 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * linux/include/asm-arm/arch-ep93xx/uncompress.h |
| 3 | * |
| 4 | * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> |
| 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 (at |
| 9 | * your option) any later version. |
| 10 | */ |
| 11 | |
| 12 | #include <asm/arch/ep93xx-regs.h> |
| 13 | |
| 14 | static unsigned char __raw_readb(unsigned int ptr) |
| 15 | { |
| 16 | return *((volatile unsigned char *)ptr); |
| 17 | } |
| 18 | |
| 19 | static void __raw_writeb(unsigned char value, unsigned int ptr) |
| 20 | { |
| 21 | *((volatile unsigned char *)ptr) = value; |
| 22 | } |
| 23 | |
| 24 | |
| 25 | #define PHYS_UART1_DATA 0x808c0000 |
| 26 | #define PHYS_UART1_FLAG 0x808c0018 |
| 27 | #define UART1_FLAG_TXFF 0x20 |
| 28 | |
| 29 | static __inline__ void putc(char c) |
| 30 | { |
| 31 | int i; |
| 32 | |
| 33 | for (i = 0; i < 1000; i++) { |
| 34 | /* Transmit fifo not full? */ |
| 35 | if (!(__raw_readb(PHYS_UART1_FLAG) & UART1_FLAG_TXFF)) |
| 36 | break; |
| 37 | } |
| 38 | |
| 39 | __raw_writeb(c, PHYS_UART1_DATA); |
| 40 | } |
| 41 | |
| 42 | static void putstr(const char *s) |
| 43 | { |
| 44 | while (*s) { |
| 45 | putc(*s); |
| 46 | if (*s == '\n') |
| 47 | putc('\r'); |
| 48 | s++; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | #define arch_decomp_setup() |
| 53 | #define arch_decomp_wdog() |