1234567891011121314151617181920212223242526272829303132333435363738394041424344 |
- /*
- * 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()
|