| /* |
| * Copyright (C) 2010 B Labs Ltd |
| * Author: Alexey Zaytsev <alexey.zaytsev@gmail.com> |
| * |
| * barebox 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 3 of the License, or |
| * (at your option) any later version. |
| * |
| * barebox 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 barebox. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef __MACH_DEBUG_LL_H__ |
| #define __MACH_DEBUG_LL_H__ |
| |
| #include <linux/amba/serial.h> |
| #include <asm/io.h> |
| |
| static inline void putc(char c) |
| { |
| /* Wait until there is space in the FIFO */ |
| while (readl(0x101F1000 + UART01x_FR) & UART01x_FR_TXFF); |
| |
| /* Send the character */ |
| writel(c, 0x101F1000 + UART01x_DR); |
| |
| /* Wait to make sure it hits the line, in case we die too soon. */ |
| while (readl(0x101F1000 + UART01x_FR) & UART01x_FR_TXFF); |
| } |
| |
| #endif |
