board/xilinx/ml401/ml401.c

   1 /*
   2  * (C) Copyright 2007 Michal Simek
   3  *
   4  * Michal  SIMEK <monstr@monstr.eu>
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 /* This is a board specific file.  It's OK to include board specific
  26  * header files */
  27
  28 #include <common.h>
  29 #include <config.h>
  30 #include <asm/microblaze_intc.h>
  31 #include <asm/asm.h>
  32
  33 void do_reset (void)
  34 {
  35 #ifdef CONFIG_SYS_GPIO_0
  36         *((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)) =
  37             ++(*((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)));
  38 #endif
  39 #ifdef CONFIG_SYS_RESET_ADDRESS
  40         puts ("Reseting board\n");
  41         asm ("bra r0");
  42 #endif
  43 }
  44
  45 int gpio_init (void)
  46 {
  47 #ifdef CONFIG_SYS_GPIO_0
  48         *((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)) = 0xFFFFFFFF;
  49 #endif
  50         return 0;
  51 }
  52
  53 #ifdef CONFIG_SYS_FSL_2
  54 void fsl_isr2 (void *arg) {
  55         volatile int num;
  56         *((unsigned int *)(CONFIG_SYS_GPIO_0_ADDR + 0x4)) =
  57             ++(*((unsigned int *)(CONFIG_SYS_GPIO_0_ADDR + 0x4)));
  58         GET (num, 2);
  59         NGET (num, 2);
  60         puts("*");
  61 }
  62
  63 void fsl_init2 (void) {
  64         puts("fsl_init2\n");
  65         install_interrupt_handler (FSL_INTR_2,\
  66  fsl_isr2,\
  67  NULL);
  68 }
  69 #endif