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 <netdev.h>
  26 #include <nios-io.h>
  27 #include <spi.h>
  28
  29 #if     defined(CONFIG_HW_WATCHDOG)
  30 extern void ssv_wd_pio_init(void);      /* comes from ../common/wd_pio.c
  31                                            included by ./misc.c */
  32 #endif
  33
  34 void _default_hdlr (void)
  35 {
  36         printf ("default_hdlr\n");
  37 }
  38
  39 int board_early_init_f (void)
  40 {
  41 #if     defined(CONFIG_HW_WATCHDOG)
  42         ssv_wd_pio_init();
  43 #endif
  44         return 0;
  45 }
  46
  47 int checkboard (void)
  48 {
  49         puts (  "Board: SSV DilNetPC ADNP/ESC1"
  50 #if     defined(CONFIG_DNPEVA2)
  51                 " on DNP/EVA2"
  52 #endif
  53                 "\n");
  54 #if     defined(CONFIG_NIOS_BASE_32)
  55         puts ("Conf.: SSV Base 32 (nios_32)\n");
  56 #endif
  57
  58         return 0;
  59 }
  60
  61 phys_size_t initdram (int board_type)
  62 {
  63         return (0);
  64 }
  65
  66 /*
  67  * The following are used to control the SPI chip selects for the SPI command.
  68  */
  69 #if defined(CONFIG_CMD_SPI) && CONFIG_NIOS_SPI
  70
  71 #define SPI_RTC_CS_MASK 0x00000001
  72
  73 int spi_cs_is_valid(unsigned int bus, unsigned int cs)
  74 {
  75         return bus == 0 && cs == 0;
  76 }
  77
  78 void spi_cs_activate(struct spi_slave *slave)
  79 {
  80         nios_spi_t *spi = (nios_spi_t *)CONFIG_SYS_NIOS_SPIBASE;
  81
  82         spi->slaveselect = SPI_RTC_CS_MASK;     /* activate (1) */
  83 }
  84
  85 void spi_cs_deactivate(struct spi_slave *slave)
  86 {
  87         nios_spi_t *spi = (nios_spi_t *)CONFIG_SYS_NIOS_SPIBASE;
  88
  89         spi->slaveselect = 0;                   /* deactivate (0) */
  90 }
  91
  92 #endif
  93
  94 #ifdef CONFIG_CMD_NET
  95 int board_eth_init(bd_t *bis)
  96 {
  97         int rc = 0;
  98 #ifdef CONFIG_CS8900
  99         rc = cs8900_initialize(0, CONFIG_CS8900_BASE);
 100 #endif
 101         return rc;
 102 }
 103 #endif