LXR uboot/board/renesas/ecovec/ecovec.c

   1/*
   2 * Copyright (C) 2009, 2011 Renesas Solutions Corp.
   3 * Copyright (C) 2009 Kuninori Morimoto <morimoto.kuninori@renesas.com>
   4 * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License as
   8 * published by the Free Software Foundation; either version 2 of
   9 * the License, or (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19 * MA 02111-1307 USA
  20 */
  21
  22#include <common.h>
  23#include <command.h>
  24#include <asm/io.h>
  25#include <asm/processor.h>
  26#include <i2c.h>
  27#include <netdev.h>
  28
  29/* USB power management register */
  30#define UPONCR0 0xA40501D4
  31
  32int checkboard(void)
  33{
  34        puts("BOARD: ecovec\n");
  35        return 0;
  36}
  37
  38int dram_init(void)
  39{
  40        DECLARE_GLOBAL_DATA_PTR;
  41
  42        gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  43        gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
  44        printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
  45        return 0;
  46}
  47
  48static void debug_led(u8 led)
  49{
  50        /* PDGR[0-4] is debug LED */
  51        outb((inb(PGDR) & ~0x0F) | (led & 0x0F), PGDR);
  52}
  53
  54int board_late_init(void)
  55{
  56        u8 mac[6];
  57        char env_mac[17];
  58
  59        udelay(1000);
  60
  61        /* SH-Eth (PLCR, PNCR, PXCR, PSELx )*/
  62        outw(inw(PLCR) & ~0xFFF0, PLCR);
  63        outw(inw(PNCR) & ~0x000F, PNCR);
  64        outw(inw(PXCR) & ~0x0FC0, PXCR);
  65        outw((inw(PSELB) & ~0x030F) | 0x020A, PSELB);
  66        outw((inw(PSELC) & ~0x0307) | 0x0207, PSELC);
  67        outw((inw(PSELE) & ~0x00c0) | 0x0080, PSELE);
  68
  69        debug_led(1 << 3);
  70
  71        outl(inl(MSTPCR2) & ~0x10000000, MSTPCR2);
  72
  73        i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
  74        i2c_set_bus_num(CONFIG_SYS_I2C_MODULE); /* Use I2C 1 */
  75
  76        /* Read MAC address */
  77        i2c_read(0x50, 0x10, 0, mac, 6);
  78
  79        /* Set MAC address */
  80        sprintf(env_mac, "%02X:%02X:%02X:%02X:%02X:%02X",
  81                mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  82        setenv("ethaddr", env_mac);
  83
  84        debug_led(0x0F);
  85
  86        return 0;
  87}
  88
  89int board_init(void)
  90{
  91
  92        /* LED (PTG) */
  93        outw((inw(PGCR) & ~0xFF) | 0x66, PGCR);
  94        outw((inw(HIZCRA) & ~0x02), HIZCRA);
  95
  96        debug_led(1 << 0);
  97
  98        /* SCIF0 (PTF, PTM) */
  99        outw(inw(PFCR) & ~0x30, PFCR);
 100        outw(inw(PMCR) & ~0x0C, PMCR);
 101        outw((inw(PSELA) & ~0x40) | 0x40, PSELA);
 102
 103        debug_led(1 << 1);
 104
 105        /* RMII (PTA) */
 106        outw((inw(PACR) & ~0x0C) | 0x04, PACR);
 107        outb((inb(PADR) & ~0x02) | 0x02, PADR);
 108
 109        debug_led(1 << 2);
 110
 111        /* USB host */
 112        outw((inw(PBCR) & ~0x300) | 0x100, PBCR);
 113        outb((inb(PBDR) & ~0x10) | 0x10, PBDR);
 114        outl(inl(MSTPCR2) & 0x100000, MSTPCR2);
 115        outw(0x0600, UPONCR0);
 116
 117        debug_led(1 << 3);
 118
 119        /* debug switch */
 120        outw((inw(PVCR) & ~0x03) | 0x02 , PVCR);
 121
 122        return 0;
 123}
 124