[mirror_ubuntu-zesty-kernel.git] / include / asm-arm / arch-davinci / uncompress.h

/*
 * Serial port stubs for kernel decompress status messages
 *
 *  Author:     Anant Gole
 * (C) Copyright (C) 2006, Texas Instruments, Inc
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2. This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

#include <linux/types.h>
#include <linux/serial_reg.h>
#include <asm/arch/serial.h>

/* PORT_16C550A, in polled non-fifo mode */

static void putc(char c)
{
	volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE;

	while (!(uart[UART_LSR] & UART_LSR_THRE))
		barrier();
	uart[UART_TX] = c;
}

static inline void flush(void)
{
	volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE;
	while (!(uart[UART_LSR] & UART_LSR_THRE))
		barrier();
}

#define arch_decomp_setup()
#define arch_decomp_wdog()
Commit	Line	Data
7c6337e2 KH	1	/*
	2	* Serial port stubs for kernel decompress status messages
	3	*
	4	* Author: Anant Gole
	5	* (C) Copyright (C) 2006, Texas Instruments, Inc
	6	*
	7	* This file is licensed under the terms of the GNU General Public License
	8	* version 2. This program is licensed "as is" without any warranty of any
	9	* kind, whether express or implied.
	10	*/
	11
	12	#include <linux/types.h>
	13	#include <linux/serial_reg.h>
	14	#include <asm/arch/serial.h>
	15
	16	/* PORT_16C550A, in polled non-fifo mode */
	17
	18	static void putc(char c)
	19	{
	20	volatile u32 uart = (volatile void ) DAVINCI_UART0_BASE;
	21
	22	while (!(uart[UART_LSR] & UART_LSR_THRE))
	23	barrier();
	24	uart[UART_TX] = c;
	25	}
	26
	27	static inline void flush(void)
	28	{
	29	volatile u32 uart = (volatile void ) DAVINCI_UART0_BASE;
	30	while (!(uart[UART_LSR] & UART_LSR_THRE))
	31	barrier();
	32	}
	33
	34	#define arch_decomp_setup()
	35	#define arch_decomp_wdog()