Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-clps711x/include/mach/uncompress.h |
| 3 | * |
| 4 | * Copyright (C) 2000 Deep Blue Solutions Ltd |
| 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 | */ |
Alexander Shiyan | 27723ec | 2012-05-14 21:46:08 +0400 | [diff] [blame] | 20 | #include <mach/clps711x.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 21 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 22 | #ifdef CONFIG_DEBUG_CLPS711X_UART2 |
| 23 | #define SYSFLGx SYSFLG2 |
| 24 | #define UARTDRx UARTDR2 |
| 25 | #else |
| 26 | #define SYSFLGx SYSFLG1 |
| 27 | #define UARTDRx UARTDR1 |
| 28 | #endif |
| 29 | |
Alexander Shiyan | 304b2c6 | 2012-05-06 09:21:57 +0400 | [diff] [blame] | 30 | #define phys_reg(x) (*(volatile u32 *)(CLPS711X_PHYS_BASE + (x))) |
| 31 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 32 | /* |
Alexander Shiyan | 304b2c6 | 2012-05-06 09:21:57 +0400 | [diff] [blame] | 33 | * The following code assumes the serial port has already been |
| 34 | * initialized by the bootloader. If you didn't setup a port in |
| 35 | * your bootloader then nothing will appear (which might be desired). |
| 36 | * |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 37 | * This does not append a newline |
| 38 | */ |
| 39 | static inline void putc(int c) |
| 40 | { |
Alexander Shiyan | 304b2c6 | 2012-05-06 09:21:57 +0400 | [diff] [blame] | 41 | while (phys_reg(SYSFLGx) & SYSFLG_UTXFF) |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 42 | barrier(); |
Alexander Shiyan | 304b2c6 | 2012-05-06 09:21:57 +0400 | [diff] [blame] | 43 | phys_reg(UARTDRx) = c; |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | static inline void flush(void) |
| 47 | { |
Alexander Shiyan | 304b2c6 | 2012-05-06 09:21:57 +0400 | [diff] [blame] | 48 | while (phys_reg(SYSFLGx) & SYSFLG_UBUSY) |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 49 | barrier(); |
| 50 | } |
| 51 | |
| 52 | /* |
| 53 | * nothing to do |
| 54 | */ |
| 55 | #define arch_decomp_setup() |
| 56 | |
| 57 | #define arch_decomp_wdog() |