/* * (C) Copyright 2000 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.de> * * (C) Copyright 2001 * Advent Networks, Inc. <http://www.adventnetworks.com> * Jay Monkman <jtm@smoothsmoothie.com> * * 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 <ioports.h>#include <mpc8260.h>/* * I/O Port configuration table * * if conf is 1, then that port pin will be configured at boot time * according to the five values podr/pdir/ppar/psor/pdat for that entry */const iop_conf_t iop_conf_tab[4][32] = {    /* Port A configuration */    {	/*	      conf ppar psor pdir podr pdat */	/* PA31 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 *ATMTXEN */	/* PA30 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMTCA   */	/* PA29 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMTSOC  */	/* PA28 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 *ATMRXEN */	/* PA27 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMRSOC */	/* PA26 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMRCA */	/* PA25 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[0] */	/* PA24 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[1] */	/* PA23 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[2] */	/* PA22 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[3] */	/* PA21 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[4] */	/* PA20 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[5] */	/* PA19 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[6] */	/* PA18 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMTXD[7] */	/* PA17 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[7] */	/* PA16 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[6] */	/* PA15 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[5] */	/* PA14 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[4] */	/* PA13 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[3] */	/* PA12 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[2] */	/* PA11 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[1] */	/* PA10 */ {   1,   0,   0,   1,   0,   0   }, /* FCC1 ATMRXD[0] */	/* PA9  */ {   1,   1,   0,   1,   0,   0   }, /* SMC2 TXD */	/* PA8  */ {   1,   1,   0,   0,   0,   0   }, /* SMC2 RXD */	/* PA7  */ {   1,   0,   0,   1,   0,   0   }, /* PA7 */	/* PA6  */ {   1,   0,   0,   1,   0,   0   }, /* PA6 */	/* PA5  */ {   1,   0,   0,   1,   0,   0   }, /* PA5 */	/* PA4  */ {   1,   0,   0,   1,   0,   0   }, /* PA4 */	/* PA3  */ {   1,   0,   0,   1,   0,   0   }, /* PA3 */	/* PA2  */ {   1,   0,   0,   1,   0,   0   }, /* PA2 */	/* PA1  */ {   1,   0,   0,   1,   0,   0   }, /* PA1 */	/* PA0  */ {   1,   0,   0,   1,   0,   0   }  /* PA0 */    },    /* Port B configuration */    {   /*	      conf ppar psor pdir podr pdat */	/* PB31 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TX_ER */	/* PB30 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_DV */	/* PB29 */ {   1,   1,   1,   1,   0,   0   }, /* FCC2 MII TX_EN */	/* PB28 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_ER */	/* PB27 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII COL */	/* PB26 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII CRS */	/* PB25 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[3] */	/* PB24 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[2] */	/* PB23 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[1] */	/* PB22 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[0] */	/* PB21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[0] */	/* PB20 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[1] */	/* PB19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[2] */	/* PB18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[3] */	/* PB17 */ {   1,   0,   0,   1,   0,   0   }, /* PB17 */	/* PB16 */ {   1,   0,   0,   1,   0,   0   }, /* PB16 */	/* PB15 */ {   1,   0,   0,   1,   0,   0   }, /* PB15 */	/* PB14 */ {   1,   0,   0,   1,   0,   0   }, /* PB14 */	/* PB13 */ {   1,   0,   0,   1,   0,   0   }, /* PB13 */	/* PB12 */ {   1,   0,   0,   1,   0,   0   }, /* PB12 */	/* PB11 */ {   1,   0,   0,   1,   0,   0   }, /* PB11 */	/* PB10 */ {   1,   0,   0,   1,   0,   0   }, /* PB10 */	/* PB9  */ {   1,   0,   0,   1,   0,   0   }, /* PB9 */	/* PB8  */ {   1,   0,   0,   1,   0,   0   }, /* PB8 */	/* PB7  */ {   1,   0,   0,   1,   0,   0   }, /* PB7 */	/* PB6  */ {   1,   0,   0,   1,   0,   0   }, /* PB6 */	/* PB5  */ {   1,   0,   0,   1,   0,   0   }, /* PB5 */	/* PB4  */ {   1,   0,   0,   1,   0,   0   }, /* PB4 */	/* PB3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */	/* PB2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */	/* PB1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */	/* PB0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */    },    /* Port C */    {   /*	      conf ppar psor pdir podr pdat */	/* PC31 */ {   1,   0,   0,   1,   0,   0   }, /* PC31 */	/* PC30 */ {   1,   0,   0,   1,   0,   0   }, /* PC30 */	/* PC29 */ {   1,   1,   1,   0,   0,   0   }, /* SCC1 EN *CLSN */	/* PC28 */ {   1,   0,   0,   1,   0,   0   }, /* PC28 */	/* PC27 */ {   1,   0,   0,   1,   0,   0   }, /* PC27 */	/* PC26 */ {   1,   0,   0,   1,   0,   0   }, /* PC26 */	/* PC25 */ {   1,   0,   0,   1,   0,   0   }, /* PC25 */	/* PC24 */ {   1,   0,   0,   1,   0,   0   }, /* PC24 */	/* PC23 */ {   1,   1,   0,   1,   0,   0   }, /* ATMTFCLK */	/* PC22 */ {   1,   1,   0,   0,   0,   0   }, /* ATMRFCLK */	/* PC21 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RXCLK */	/* PC20 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN TXCLK */	/* PC19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_CLK */	/* PC18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII TX_CLK */	/* PC17 */ {   1,   0,   0,   1,   0,   0   }, /* PC17 */	/* PC16 */ {   1,   0,   0,   1,   0,   0   }, /* PC16 */	/* PC15 */ {   1,   0,   0,   1,   0,   0   }, /* PC15 */	/* PC14 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN *CD */	/* PC13 */ {   1,   0,   0,   1,   0,   0   }, /* PC13 */	/* PC12 */ {   1,   0,   0,   1,   0,   0   }, /* PC12 */	/* PC11 */ {   1,   0,   0,   1,   0,   0   }, /* PC11 */	/* PC10 */ {   1,   0,   0,   1,   0,   0   }, /* FCC2 MDC */	/* PC9  */ {   1,   0,   0,   1,   0,   0   }, /* FCC2 MDIO */	/* PC8  */ {   1,   0,   0,   1,   0,   0   }, /* PC8 */	/* PC7  */ {   1,   0,   0,   1,   0,   0   }, /* PC7 */	/* PC6  */ {   1,   0,   0,   1,   0,   0   }, /* PC6 */	/* PC5  */ {   1,   0,   0,   1,   0,   0   }, /* PC5 */	/* PC4  */ {   1,   0,   0,   1,   0,   0   }, /* PC4 */	/* PC3  */ {   1,   0,   0,   1,   0,   0   }, /* PC3 */	/* PC2  */ {   1,   0,   0,   1,   0,   1   }, /* ENET FDE */	/* PC1  */ {   1,   0,   0,   1,   0,   0   }, /* ENET DSQE */	/* PC0  */ {   1,   0,   0,   1,   0,   0   }, /* ENET LBK */    },    /* Port D */    {   /*	      conf ppar psor pdir podr pdat */	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RxD */	/* PD30 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 EN TxD */	/* PD29 */ {   1,   1,   0,   1,   0,   0   }, /* SCC1 EN TENA */	/* PD28 */ {   1,   0,   0,   1,   0,   0   }, /* PD28 */	/* PD27 */ {   1,   0,   0,   1,   0,   0   }, /* PD27 */	/* PD26 */ {   1,   0,   0,   1,   0,   0   }, /* PD26 */	/* PD25 */ {   1,   0,   0,   1,   0,   0   }, /* PD25 */	/* PD24 */ {   1,   0,   0,   1,   0,   0   }, /* PD24 */	/* PD23 */ {   1,   0,   0,   1,   0,   0   }, /* PD23 */	/* PD22 */ {   1,   0,   0,   1,   0,   0   }, /* PD22 */	/* PD21 */ {   1,   0,   0,   1,   0,   0   }, /* PD21 */	/* PD20 */ {   1,   0,   0,   1,   0,   0   }, /* PD20 */	/* PD19 */ {   1,   0,   0,   1,   0,   0   }, /* PD19 */	/* PD18 */ {   1,   0,   0,   1,   0,   0   }, /* PD18 */	/* PD17 */ {   1,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXPRTY */	/* PD16 */ {   1,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXPRTY */#if defined(CONFIG_SOFT_I2C)	/* PD15 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SDA */	/* PD14 */ {   1,   0,   0,   1,   1,   1   }, /* I2C SCL */#else#if defined(CONFIG_HARD_I2C)	/* PD15 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SDA */	/* PD14 */ {   1,   1,   1,   0,   1,   0   }, /* I2C SCL */#else /* normal I/O port pins */	/* PD15 */ {   1,   0,   0,   1,   0,   0   }, /* I2C SDA */	/* PD14 */ {   1,   0,   0,   1,   0,   0   }, /* I2C SCL */#endif#endif	/* PD13 */ {   1,   0,   0,   0,   0,   0   }, /* PD13 */	/* PD12 */ {   1,   0,   0,   0,   0,   0   }, /* PD12 */	/* PD11 */ {   1,   0,   0,   0,   0,   0   }, /* PD11 */	/* PD10 */ {   1,   0,   0,   0,   0,   0   }, /* PD10 */	/* PD9  */ {   1,   1,   0,   1,   0,   0   }, /* SMC1 TXD */	/* PD8  */ {   1,   1,   0,   0,   0,   0   }, /* SMC1 RXD */	/* PD7  */ {   1,   0,   0,   1,   0,   1   }, /* PD7 */	/* PD6  */ {   1,   0,   0,   1,   0,   1   }, /* PD6 */	/* PD5  */ {   1,   0,   0,   1,   0,   1   }, /* PD5 */	/* PD4  */ {   1,   0,   0,   1,   0,   1   }, /* PD4 */	/* PD3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */	/* PD2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */	/* PD1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */	/* PD0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */    }};/* ------------------------------------------------------------------------- *//* * Check Board Identity: */int checkboard (void){	puts ("Board: EST SBC8260\n");	return 0;}/* ------------------------------------------------------------------------- */long int initdram (int board_type){	volatile immap_t *immap = (immap_t *) CFG_IMMR;	volatile memctl8260_t *memctl = &immap->im_memctl;	volatile uchar c = 0, *ramaddr = (uchar *) (CFG_SDRAM_BASE + 0x8);	ulong psdmr = CFG_PSDMR;	int i;	/*	 * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):	 *	 * "At system reset, initialization software must set up the	 *  programmable parameters in the memory controller banks registers	 *  (ORx, BRx, P/LSDMR). After all memory parameters are configured,	 *  system software should execute the following initialization sequence	 *  for each SDRAM device.	 *	 *  1. Issue a PRECHARGE-ALL-BANKS command	 *  2. Issue eight CBR REFRESH commands	 *  3. Issue a MODE-SET command to initialize the mode register	 *	 *  The initial commands are executed by setting P/LSDMR[OP] and	 *  accessing the SDRAM with a single-byte transaction."	 *	 * The appropriate BRx/ORx registers have already been set when we	 * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.	 */	memctl->memc_psrt = CFG_PSRT;	memctl->memc_mptpr = CFG_MPTPR;	memctl->memc_psdmr = psdmr | PSDMR_OP_PREA;	*ramaddr = c;	memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR;	for (i = 0; i < 8; i++)		*ramaddr = c;	memctl->memc_psdmr = psdmr | PSDMR_OP_MRW;	*ramaddr = c;	memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN;	*ramaddr = c;	/* return total ram size */	return (CFG_SDRAM0_SIZE * 1024 * 1024);}#ifdef CONFIG_MISC_INIT_R/* ------------------------------------------------------------------------- */int misc_init_r (void){#ifdef CFG_LED_BASE	uchar ds = *(unsigned char *) (CFG_LED_BASE + 1);	uchar ss;	uchar tmp[64];	int res;	if ((ds != 0) && (ds != 0xff)) {		res = getenv_r ("ethaddr", tmp, sizeof (tmp));		if (res > 0) {			ss = ((ds >> 4) & 0x0f);			ss += ss < 0x0a ? '0' : ('a' - 10);			tmp[15] = ss;			ss = (ds & 0x0f);			ss += ss < 0x0a ? '0' : ('a' - 10);			tmp[16] = ss;			tmp[17] = '\0';			setenv ("ethaddr", tmp);			/* set the led to show the address */			*((unsigned char *) (CFG_LED_BASE + 1)) = ds;		}	}#endif /* CFG_LED_BASE */	return (0);}#endif /* CONFIG_MISC_INIT_R */