| /* |
| * 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 <linux/io.h> |
| #include <linux/amba/serial.h> |
| #include <mach/bcm2835_soc.h> |
| |
| #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() |
