LXR uboot/board/xilinx/microblaze-generic/microblaze-generic.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 <netdev.h>
  31#include <asm/microblaze_intc.h>
  32#include <asm/asm.h>
  33
  34int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  35{
  36#ifdef CONFIG_SYS_GPIO_0
  37        *((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)) =
  38            ++(*((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)));
  39#endif
  40#ifdef CONFIG_SYS_RESET_ADDRESS
  41        puts ("Reseting board\n");
  42        asm ("bra r0");
  43#endif
  44        return 0;
  45}
  46
  47int gpio_init (void)
  48{
  49#ifdef CONFIG_SYS_GPIO_0
  50        *((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)) = 0xFFFFFFFF;
  51#endif
  52        return 0;
  53}
  54
  55#ifdef CONFIG_SYS_FSL_2
  56void fsl_isr2 (void *arg) {
  57        volatile int num;
  58        *((unsigned int *)(CONFIG_SYS_GPIO_0_ADDR + 0x4)) =
  59            ++(*((unsigned int *)(CONFIG_SYS_GPIO_0_ADDR + 0x4)));
  60        GET (num, 2);
  61        NGET (num, 2);
  62        puts("*");
  63}
  64
  65int fsl_init2 (void) {
  66        puts("fsl_init2\n");
  67        install_interrupt_handler (FSL_INTR_2, fsl_isr2, NULL);
  68        return 0;
  69}
  70#endif
  71
  72int board_eth_init(bd_t *bis)
  73{
  74        /*
  75         * This board either has PCI NICs or uses the CPU's TSECs
  76         * pci_eth_init() will return 0 if no NICs found, so in that case
  77         * returning -1 will force cpu_eth_init() to be called.
  78         */
  79#ifdef CONFIG_XILINX_EMACLITE
  80        return xilinx_emaclite_initialize(bis, XILINX_EMACLITE_BASEADDR);
  81#endif
  82}
  83