projects / mirror_ubuntu-hirsute-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 038c5b60 BN |
1 | /* |
| 2 | * linux/include/asm-arm/arch-aaec2000/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 | ||
| a081568d | 18 | static void putc(int c) |
| 038c5b60 BN |
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 | ||
| a081568d RK |
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 | { | |
| 038c5b60 BN |
41 | } |
| 42 | ||
| 43 | #define arch_decomp_setup() | |
| 44 | #define arch_decomp_wdog() | |
| 45 | ||
| 46 | #endif /* __ASM_ARCH_UNCOMPRESS_H */ |