/* * Copyright (C) 2010 B Labs Ltd * Author: Alexey Zaytsev * * 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 2 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. */ #ifndef __MACH_DEBUG_LL_H__ #define __MACH_DEBUG_LL_H__ #include #include 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