| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * arch/arm/mach-aaec2000/include/mach/uncompress.h |
| 3 | * |
| 4 | * Copyright (c) 2005 Nicolas Bellido Y Ortega |
| 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 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | |
| 11 | #ifndef __ASM_ARCH_UNCOMPRESS_H |
| 12 | #define __ASM_ARCH_UNCOMPRESS_H |
| 13 | |
| 14 | #include "hardware.h" |
| 15 | |
| 16 | #define UART(x) (*(volatile unsigned long *)(serial_port + (x))) |
| 17 | |
| 18 | static void putc(int c) |
| 19 | { |
| 20 | unsigned long serial_port; |
| 21 | do { |
| 22 | serial_port = _UART3_BASE; |
| 23 | if (UART(UART_CR) & UART_CR_EN) break; |
| 24 | serial_port = _UART1_BASE; |
| 25 | if (UART(UART_CR) & UART_CR_EN) break; |
| 26 | serial_port = _UART2_BASE; |
| 27 | if (UART(UART_CR) & UART_CR_EN) break; |
| 28 | return; |
| 29 | } while (0); |
| 30 | |
| 31 | /* wait for space in the UART's transmitter */ |
| 32 | while ((UART(UART_SR) & UART_SR_TxFF)) |
| 33 | barrier(); |
| 34 | |
| 35 | /* send the character out. */ |
| 36 | UART(UART_DR) = c; |
| 37 | } |
| 38 | |
| 39 | static inline void flush(void) |
| 40 | { |
| 41 | } |
| 42 | |
| 43 | #define arch_decomp_setup() |
| 44 | #define arch_decomp_wdog() |
| 45 | |
| 46 | #endif /* __ASM_ARCH_UNCOMPRESS_H */ |