uncompress.h

来自「omap3 linux 2.6 用nocc去除了冗余代码」· C头文件 代码 · 共 58 行

/*
 * linux/include/asm-arm/arch-omap/uncompress.h
 *
 * Serial port stubs for kernel decompress status messages
 *
 * Initially based on:
 * linux-2.4.15-rmk1-dsplinux1.6/include/asm-arm/arch-omap1510/uncompress.h
 * Copyright (C) 2000 RidgeRun, Inc.
 * Author: Greg Lonnon <[e-mail]>
 *
 * Rewritten by:
 * Author: <[e-mail]>
 * 2004 (c) MontaVista Software, 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>

unsigned int system_rev;

#define UART_OMAP_MDR1		0x08	/* mode definition register */
#define OMAP_ID_730		0x355F
#define ID_MASK			0x7fff
#define check_port(base, shift) ((base[UART_OMAP_MDR1 << shift] & 7) == 0)
#define omap_get_id() ((*(volatile unsigned int *)(0xfffed404)) >> 12) & ID_MASK

static void putc(int c)
{
	volatile u8 * uart = 0;
	int shift = 2;


	uart = (volatile u8 *)(OMAP_UART3_BASE);


	/*
	 * Now, xmit each character
	 */
	while (!(uart[UART_LSR << shift] & UART_LSR_THRE))
		barrier();
	uart[UART_TX << shift] = c;
}

static inline void flush(void)
{
}

/*
 * nothing to do
 */
#define arch_decomp_setup()
#define arch_decomp_wdog()