ints-priority.c

来自「linux 内核源代码」· C语言 代码 · 共 66 行

/*
 * File:         arch/blackfin/mach-bf533/ints-priority.c
 * Based on:
 * Author:       Michael Hennerich
 *
 * Created:      ?
 * Description:  Set up the interrupt priorities
 *
 * Modified:
 *               Copyright 2004-2006 Analog Devices Inc.
 *
 * Bugs:         Enter bugs at http://blackfin.uclinux.org/
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see the file COPYING, or write
 * to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <linux/module.h>
#include <linux/irq.h>
#include <asm/blackfin.h>

void program_IAR(void)
{
	/* Program the IAR0 Register with the configured priority */
	bfin_write_SIC_IAR0(((CONFIG_PLLWAKE_ERROR - 7) << PLLWAKE_ERROR_POS) |
			    ((CONFIG_DMA_ERROR - 7) << DMA_ERROR_POS) |
			    ((CONFIG_PPI_ERROR - 7) << PPI_ERROR_POS) |
			    ((CONFIG_SPORT0_ERROR - 7) << SPORT0_ERROR_POS) |
			    ((CONFIG_SPI_ERROR - 7) << SPI_ERROR_POS) |
			    ((CONFIG_SPORT1_ERROR - 7) << SPORT1_ERROR_POS) |
			    ((CONFIG_UART_ERROR - 7) << UART_ERROR_POS) |
			    ((CONFIG_RTC_ERROR - 7) << RTC_ERROR_POS));

	bfin_write_SIC_IAR1(((CONFIG_DMA0_PPI - 7) << DMA0_PPI_POS) |
			    ((CONFIG_DMA1_SPORT0RX - 7) << DMA1_SPORT0RX_POS) |
			    ((CONFIG_DMA2_SPORT0TX - 7) << DMA2_SPORT0TX_POS) |
			    ((CONFIG_DMA3_SPORT1RX - 7) << DMA3_SPORT1RX_POS) |
			    ((CONFIG_DMA4_SPORT1TX - 7) << DMA4_SPORT1TX_POS) |
			    ((CONFIG_DMA5_SPI - 7) << DMA5_SPI_POS) |
			    ((CONFIG_DMA6_UARTRX - 7) << DMA6_UARTRX_POS) |
			    ((CONFIG_DMA7_UARTTX - 7) << DMA7_UARTTX_POS));

	bfin_write_SIC_IAR2(((CONFIG_TIMER0 - 7) << TIMER0_POS) |
			    ((CONFIG_TIMER1 - 7) << TIMER1_POS) |
			    ((CONFIG_TIMER2 - 7) << TIMER2_POS) |
			    ((CONFIG_PFA - 7) << PFA_POS) |
			    ((CONFIG_PFB - 7) << PFB_POS) |
			    ((CONFIG_MEMDMA0 - 7) << MEMDMA0_POS) |
			    ((CONFIG_MEMDMA1 - 7) << MEMDMA1_POS) |
			    ((CONFIG_WDTIMER - 7) << WDTIMER_POS));

	SSYNC();
}