/* * (C) Copyright 2002 ELTEC Elektronik AG * Frank Gottschling <fgottschling@eltec.de> * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */#include <common.h>#include <command.h>#include <mpc106.h>#include <video_fb.h>/* ------------------------------------------------------------------------- */int checkboard (void){    puts ("Board: ELTEC PowerPC\n");    return (0);}/* ------------------------------------------------------------------------- */int checkflash (void){    /* TODO */    printf ("Test not implemented !\n");    return (0);}/* ------------------------------------------------------------------------- */static unsigned int mpc106_read_cfg_dword (unsigned int reg){    unsigned int reg_addr = MPC106_REG | (reg & 0xFFFFFFFC);    out32r(MPC106_REG_ADDR, reg_addr);    return (in32r(MPC106_REG_DATA | (reg & 0x3)));}/* ------------------------------------------------------------------------- */long int dram_size (int board_type){    /*    * No actual initialisation to do - done when setting up    * PICRs MCCRs ME/SARs etc in asm_init.S.    */    register unsigned long i, msar1, mear1, memSize;#if defined(CFG_MEMTEST)    register unsigned long reg;    printf("Testing DRAM\n");    /* write each mem addr with it's address */    for (reg = CFG_MEMTEST_START; reg < CFG_MEMTEST_END; reg+=4)        *reg = reg;    for (reg = CFG_MEMTEST_START; reg < CFG_MEMTEST_END; reg+=4)    {        if (*reg != reg)        return -1;    }#endif    /*    * Since MPC107 memory controller chip has already been set to    * control all memory, just read and interpret its memory boundery register.    */    memSize = 0;    msar1 = mpc106_read_cfg_dword(MPC106_MSAR1);    mear1 = mpc106_read_cfg_dword(MPC106_MEAR1);    i     = mpc106_read_cfg_dword(MPC106_MBER) & 0xf;    do    {        if (i & 0x01)   /* is bank enabled ? */            memSize += (mear1 & 0xff) - (msar1 & 0xff) + 1;        msar1 >>= 8;        mear1 >>= 8;        i     >>= 1;    } while (i);    return (memSize * 0x100000);}/* ------------------------------------------------------------------------- */long int initdram(int board_type){    return dram_size(board_type);}/* ------------------------------------------------------------------------- *//* * The BAB 911 can be reset by writing bit 0 of the Processor Initialization * Register PI in the MPC 107 (at offset 0x41090 of the Embedded Utilities * Memory Block). */void do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]){    out8(MPC107_EUMB_PI, 1);}/* ------------------------------------------------------------------------- */#if defined(CONFIG_WATCHDOG)/* * Since the 7xx CPUs don't have an internal watchdog, this function is * board specific. */void watchdog_reset(void){}#endif    /* CONFIG_WATCHDOG *//* ------------------------------------------------------------------------- */void after_reloc (ulong dest_addr){    DECLARE_GLOBAL_DATA_PTR;    /*     * Jump to the main ppcboot board init code     */    board_init_r(gd, dest_addr);}/* ------------------------------------------------------------------------- */#ifdef CONFIG_CONSOLE_EXTRA_INFOextern GraphicDevice smi;void video_get_info_str (int line_number, char *info){    /* init video info strings for graphic console */    switch (line_number)    {    case 1:        sprintf (info," MPC7xx V%d.%d at %d / %d MHz",            (get_pvr() >> 8) & 0xFF,            get_pvr() & 0xFF,            400,            100);        return;    case 2:        sprintf (info, " ELTEC ELPPC with %ld MB DRAM and %ld MB FLASH",            dram_size(0)/0x100000,            flash_init()/0x100000);        return;    case 3:        sprintf (info, " %s", smi.modeIdent);        return;    }    /* no more info lines */    *info = 0;    return;}#endif