board/ssv/adnpesc1/adnpesc1.c

   1 /*
   2  * (C) Copyright 2004, Li-Pro.Net <www.li-pro.net>
   3  * Stephan Linz <linz@li-pro.net>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <nios-io.h>
  26 #include <spi.h>
  27
  28 #if     defined(CONFIG_HW_WATCHDOG)
  29 extern void ssv_wd_pio_init(void);      /* comes from ../common/wd_pio.c
  30                                            included by ./misc.c */
  31 #endif
  32
  33 void _default_hdlr (void)
  34 {
  35         printf ("default_hdlr\n");
  36 }
  37
  38 int board_early_init_f (void)
  39 {
  40 #if     defined(CONFIG_HW_WATCHDOG)
  41         ssv_wd_pio_init();
  42 #endif
  43         return 0;
  44 }
  45
  46 int checkboard (void)
  47 {
  48         puts (  "Board: SSV DilNetPC ADNP/ESC1"
  49 #if     defined(CONFIG_DNPEVA2)
  50                 " on DNP/EVA2"
  51 #endif
  52                 "\n");
  53 #if     defined(CONFIG_NIOS_BASE_32)
  54         puts ("Conf.: SSV Base 32 (nios_32)\n");
  55 #endif
  56
  57         return 0;
  58 }
  59
  60 phys_size_t initdram (int board_type)
  61 {
  62         return (0);
  63 }
  64
  65 /*
  66  * The following are used to control the SPI chip selects for the SPI command.
  67  */
  68 #if defined(CONFIG_CMD_SPI) && CONFIG_NIOS_SPI
  69
  70 #define SPI_RTC_CS_MASK 0x00000001
  71
  72 int spi_cs_is_valid(unsigned int bus, unsigned int cs)
  73 {
  74         return bus == 0 && cs == 0;
  75 }
  76
  77 void spi_cs_activate(struct spi_slave *slave)
  78 {
  79         nios_spi_t *spi = (nios_spi_t *)CONFIG_SYS_NIOS_SPIBASE;
  80
  81         spi->slaveselect = SPI_RTC_CS_MASK;     /* activate (1) */
  82 }
  83
  84 void spi_cs_deactivate(struct spi_slave *slave)
  85 {
  86         nios_spi_t *spi = (nios_spi_t *)CONFIG_SYS_NIOS_SPIBASE;
  87
  88         spi->slaveselect = 0;                   /* deactivate (0) */
  89 }
  90
  91 #endif
  92
  93 #if     defined(CONFIG_POST)
  94 /*
  95  * Returns 1 if keys pressed to start the power-on long-running tests
  96  * Called from board_init_f().
  97  */
  98 int post_hotkeys_pressed(void)
  99 {
 100         return 0;       /* No hotkeys supported */
 101 }
 102 #endif /* CONFIG_POST */