release/src-rt-6.x/linux/linux-2.6/arch/blackfin/mach-bf537/ints-priority.c

   1 /*
   2  * File:         arch/blackfin/mach-bf537/ints-priority.c
   3  * Based on:     arch/blackfin/mach-bf533/ints-priority.c
   4  * Author:       Michael Hennerich
   5  *
   6  * Created:
   7  * Description:  Set up the interrupt priorities
   8  *
   9  * Modified:
  10  *               Copyright 2004-2006 Analog Devices Inc.
  11  *
  12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, see the file COPYING, or write
  26  * to the Free Software Foundation, Inc.,
  27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  28  */
  29
  30 #include <linux/module.h>
  31 #include <asm/blackfin.h>
  32 #include <asm/irq.h>
  33
  34 void program_IAR(void)
  35 {
  36         /* Program the IAR0 Register with the configured priority */
  37         bfin_write_SIC_IAR0(((CONFIG_IRQ_PLL_WAKEUP - 7) << IRQ_PLL_WAKEUP_POS) |
  38                             ((CONFIG_IRQ_DMA_ERROR - 7) << IRQ_DMA_ERROR_POS) |
  39                             ((CONFIG_IRQ_ERROR - 7) << IRQ_ERROR_POS) |
  40                             ((CONFIG_IRQ_RTC - 7) << IRQ_RTC_POS) |
  41                             ((CONFIG_IRQ_PPI - 7) << IRQ_PPI_POS) |
  42                             ((CONFIG_IRQ_SPORT0_RX - 7) << IRQ_SPORT0_RX_POS) |
  43                             ((CONFIG_IRQ_SPORT0_TX - 7) << IRQ_SPORT0_TX_POS) |
  44                             ((CONFIG_IRQ_SPORT1_RX - 7) << IRQ_SPORT1_RX_POS));
  45
  46         bfin_write_SIC_IAR1(((CONFIG_IRQ_SPORT1_TX - 7) << IRQ_SPORT1_TX_POS) |
  47                             ((CONFIG_IRQ_TWI - 7) << IRQ_TWI_POS) |
  48                             ((CONFIG_IRQ_SPI - 7) << IRQ_SPI_POS) |
  49                             ((CONFIG_IRQ_UART0_RX - 7) << IRQ_UART0_RX_POS) |
  50                             ((CONFIG_IRQ_UART0_TX - 7) << IRQ_UART0_TX_POS) |
  51                             ((CONFIG_IRQ_UART1_RX - 7) << IRQ_UART1_RX_POS) |
  52                             ((CONFIG_IRQ_UART1_TX - 7) << IRQ_UART1_TX_POS) |
  53                             ((CONFIG_IRQ_CAN_RX - 7) << IRQ_CAN_RX_POS));
  54
  55         bfin_write_SIC_IAR2(((CONFIG_IRQ_CAN_TX - 7) << IRQ_CAN_TX_POS) |
  56                             ((CONFIG_IRQ_MAC_RX - 7) << IRQ_MAC_RX_POS) |
  57                             ((CONFIG_IRQ_MAC_TX - 7) << IRQ_MAC_TX_POS) |
  58                             ((CONFIG_IRQ_TMR0 - 7) << IRQ_TMR0_POS) |
  59                             ((CONFIG_IRQ_TMR1 - 7) << IRQ_TMR1_POS) |
  60                             ((CONFIG_IRQ_TMR2 - 7) << IRQ_TMR2_POS) |
  61                             ((CONFIG_IRQ_TMR3 - 7) << IRQ_TMR3_POS) |
  62                             ((CONFIG_IRQ_TMR4 - 7) << IRQ_TMR4_POS));
  63
  64         bfin_write_SIC_IAR3(((CONFIG_IRQ_TMR5 - 7) << IRQ_TMR5_POS) |
  65                             ((CONFIG_IRQ_TMR6 - 7) << IRQ_TMR6_POS) |
  66                             ((CONFIG_IRQ_TMR7 - 7) << IRQ_TMR7_POS) |
  67                             ((CONFIG_IRQ_PROG_INTA - 7) << IRQ_PROG_INTA_POS) |
  68                             ((CONFIG_IRQ_PORTG_INTB - 7) << IRQ_PORTG_INTB_POS) |
  69                             ((CONFIG_IRQ_MEM_DMA0 - 7) << IRQ_MEM_DMA0_POS) |
  70                             ((CONFIG_IRQ_MEM_DMA1 - 7) << IRQ_MEM_DMA1_POS) |
  71                             ((CONFIG_IRQ_WATCH - 7) << IRQ_WATCH_POS));
  72
  73         SSYNC();
  74 }