/* * Copyright (C) 2010 Broadcom * Copyright (C) 2003 ARM Limited * * 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. */ #include #include #include #define UART0_BASE BCM2835_DEBUG_PHYS #define BCM2835_UART_DR IOMEM(UART0_BASE + UART01x_DR) #define BCM2835_UART_FR IOMEM(UART0_BASE + UART01x_FR) #define BCM2835_UART_CR IOMEM(UART0_BASE + UART011_CR) static inline void putc(int c) { while (__raw_readl(BCM2835_UART_FR) & UART01x_FR_TXFF) barrier(); __raw_writel(c, BCM2835_UART_DR); } static inline void flush(void) { int fr; do { fr = __raw_readl(BCM2835_UART_FR); barrier(); } while ((fr & (UART011_FR_TXFE | UART01x_FR_BUSY)) != UART011_FR_TXFE); } #define arch_decomp_setup()