| /* |
| * linux/include/asm-arm/arch-imxads/uncompress.h |
| * |
| * |
| * |
| * Copyright (C) 1999 ARM Limited |
| * Copyright (C) Shane Nay (shane@minirl.com) |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #define UART(x) (*(volatile unsigned long *)(serial_port + (x))) |
| |
| #define UART1_BASE 0x206000 |
| #define UART2_BASE 0x207000 |
| #define USR2 0x98 |
| #define USR2_TXFE (1<<14) |
| #define TXR 0x40 |
| #define UCR1 0x80 |
| #define UCR1_UARTEN 1 |
| |
| /* |
| * The following code assumes the serial port has already been |
| * initialized by the bootloader. We search for the first enabled |
| * port in the most probable order. If you didn't setup a port in |
| * your bootloader then nothing will appear (which might be desired). |
| * |
| * This does not append a newline |
| */ |
| static void putc(int c) |
| { |
| unsigned long serial_port; |
| |
| do { |
| serial_port = UART1_BASE; |
| if ( UART(UCR1) & UCR1_UARTEN ) |
| break; |
| serial_port = UART2_BASE; |
| if ( UART(UCR1) & UCR1_UARTEN ) |
| break; |
| return; |
| } while(0); |
| |
| while (!(UART(USR2) & USR2_TXFE)) |
| barrier(); |
| |
| UART(TXR) = c; |
| } |
| |
| static inline void flush(void) |
| { |
| } |
| |
| /* |
| * nothing to do |
| */ |
| #define arch_decomp_setup() |
| |
| #define arch_decomp_wdog() |