/* * (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). */int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]){	out8 (MPC107_EUMB_PI, 1);	return (0);}/* ------------------------------------------------------------------------- */#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 U-Boot board init code	 */	board_init_r ((gd_t *)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