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board/gen860t/ioport.c 10.8 KB
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c609719b8   wdenk   Initial revision 
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  /*
   * (C) Copyright 2000
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *
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   * SPDX-License-Identifier:	GPL-2.0+
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   */
  
  #include <common.h>
  #include <mpc8xx.h>
  #include <asm/8xx_immap.h>
  #include "ioport.h"
  
  #if 0
  #define IOPORT_DEBUG
  #endif
  
  #ifdef  IOPORT_DEBUG
  #define PRINTF(fmt,args...) printf (fmt ,##args)
  #else
  #define PRINTF(fmt,args...)
  #endif
  
  /*
   * The ioport configuration table.
   */
  const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
      /*
  	 * Port A configuration
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  	 * Pin	Signal					Type	Active	Initial state
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  	 * PA7	fpgaProgramLowOut		Out		Low			High
  	 * PA1	fpgaCoreVoltageFailLow	In		Low			N/A
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  	 */
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      {	/*	    conf ppar psor pdir podr pdat pint	   function		*/
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  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /* No pin			*/
  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /* No pin			*/
  	/* PA15 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PA14 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PA13 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PA12 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PA11 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PA10 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PA9  */ { 1,   0,   0,   1,   0,   0,   0 }, /* grn bicolor LED 1*/
  	/* PA8  */ { 1,   0,   0,   1,   0,   0,   0 }, /* red bicolor LED 1*/
  	/* PA7  */ { 1,   0,   0,   1,   0,   1,   0 }, /* fpgaProgramLow	*/
  	/* PA6  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PA5  */ { 1,   0,   0,   1,   0,   0,   0 }, /* grn bicolor LED 0*/
  	/* PA4  */ { 1,   0,   0,   1,   0,   0,   0 }, /* red bicolor LED 0*/
  	/* PA3  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PA2  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
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  #if !defined(CONFIG_SC)
  	/* PA1  */ { 1,   0,   0,   0,   0,   0,   0 }, /*	fpgaCoreVoltageFail*/
  #else
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  	/* PA1  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
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  #endif
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  	/* PA0  */ { 0,   0,   0,   0,   0,   0,   0 }  /*	*/
      },
  
  	/*
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  	 * Port B configuration
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  	 * Pin		Signal			Type		Active		Initial state
  	 * PB14		docBusyLowIn	In			Low			X
  	 * PB15		gpio1Sig		Out			High		Low
  	 * PB16		fpgaDoneBi		In			High		X
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  	 * PB17		swBitOkLowOut	Out			Low			High
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  	 * PB19		speakerVolSig	Out/Hi-Z	High/Low	High (Hi-Z)
  	 * PB22		fpgaInitLowBi	In			Low			X
  	 * PB23		batteryOkSig	In			High		X
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  	 * PB31		pulseCatcherClr	Out			High		0
  	 */
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  	{	/*	    conf ppar psor pdir podr pdat pint	  function			*/
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  #if !defined(CONFIG_SC)
  	/* PB31 */ { 0,	  0,   0,   0,   0,   0,   0 }, /*	*/
  #else
  	/* PB31 */ { 1,   0,   0,   1,   0,   0,   0 }, /* pulseCatcherClr	*/
  #endif
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  	/* PB30 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PB29 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PB28 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PB27 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PB26 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PB25 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PB24 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
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  #if !defined(CONFIG_SC)
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  	/* PB23 */ { 1,   0,   0,   0,   0,   0,   0 }, /* batteryOk		*/
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  #else
  	/* PB23 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  #endif
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  	/* PB22 */ { 1,   0,   0,   0,   0,   0,   0 }, /* fpgaInitLowBi	*/
  	/* PB21 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PB20 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
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  #if !defined(CONFIG_SC)
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  	/* PB19 */ { 1,   0,   0,   1,   1,   1,   0 }, /* speakerVol		*/
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  #else
  	/* PB19 */ { 0,   0,   0,   1,   1,   1,   0 }, /*	*/
  #endif
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  	/* PB18 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
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  	/* PB17 */ { 1,   0,   0,   1,   0,   1,   0 }, /* swBitOkLow		*/
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  	/* PB16 */ { 1,   0,   0,   0,   0,   0,   0 }, /* fpgaDone			*/
  	/* PB15 */ { 1,   0,   0,   1,   0,   0,   0 }, /* gpio1			*/
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  #if !defined(CONFIG_SC)
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  	/* PB14 */ { 1,   0,   0,   0,   0,   0,   0 }  /* docBusyLow		*/
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  #else
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  	/* PB14 */ { 0,   0,   0,   0,   0,   0,   0 }  /*	*/
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  #endif
  	},
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  	/*
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  	 * Port C configuration
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  	 * Pin		Signal				Type	Active		Initial state
  	 * PC4		i2cBus1EnSig		Out		High		High
  	 * PC5		i2cBus2EnSig		Out		High		High
  	 * PC6		gpio0Sig			Out		High		Low
  	 * PC8		i2cBus3EnSig		Out		High		High
  	 * PC10		i2cBus4EnSig		Out		High		High
  	 * PC11		fpgaResetLowOut		Out		Low			High
  	 * PC12		systemBitOkIn		In		High		X
  	 * PC15		selfDreqLow			In		Low			X
  	 */
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  	{	/*	    conf ppar psor pdir podr pdat pint	  function			*/
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  	/* N/A	*/ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* N/A	*/ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PC15 */ { 1,   0,   0,   0,   0,   0,   0 }, /* selfDreqLowIn	*/
  	/* PC14 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PC13 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
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  #if !defined(CONFIG_SC)
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  	/* PC12 */ { 1,   0,   0,   0,   0,   0,   0 }, /* systemBitOkIn	*/
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  #else
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  	/* PC12 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
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  #endif
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  	/* PC11 */ { 1,   0,   0,   1,   0,   1,   0 }, /* fpgaResetLowOut	*/
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  #if !defined(CONFIG_SC)
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  	/* PC10 */ { 1,   0,   0,   1,   0,   1,   0 }, /* i2cBus4EnSig		*/
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  #else
  	/* PC10 */ { 0,   0,   0,   1,   0,   1,   0 }, /*	*/
  #endif
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  	/* PC9  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
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  #if !defined(CONFIG_SC)
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  	/* PC8  */ { 1,   0,   0,   1,   0,   1,   0 }, /* i2cBus3EnSig		*/
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  #else
  	/* PC8  */ { 0,   0,   0,   1,   0,   1,   0 }, /*	*/
  #endif
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  	/* PC7  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PC6  */ { 1,   0,   0,   1,   0,   1,   0 }, /* gpio0			*/
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  #if !defined(CONFIG_SC)
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  	/* PC5  */ { 1,   0,   0,   1,   0,   1,   0 }, /* i2cBus2EnSig		*/
  	/* PC4  */ { 1,   0,   0,   1,   0,   1,   0 }, /* i2cBus1EnSig		*/
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  #else
  	/* PC5  */ { 0,   0,   0,   1,   0,   1,   0 }, /*	*/
  	/* PC4  */ { 0,   0,   0,   1,   0,   1,   0 }, /*	*/
  #endif
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  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }  /*	*/
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  	},
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  	/*
  	 * Port D configuration
  	 */









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  	{	/*	    conf ppar psor pdir podr pdat pint	   function			*/









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  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD15 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD14 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD13 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD12 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD11 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD10 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD9  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD8  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD7  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD6  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD5  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD4  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* PD3  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
  	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }  /*	*/









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  	}









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  };
  
  /*
   * Configure the MPC8XX I/O ports per the ioport configuration table









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   * (taken from ./arch/powerpc/cpu/mpc8260/cpu_init.c)









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   */









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  void config_mpc8xx_ioports (volatile immap_t * immr)









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  {









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  	int portnum;









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  	for (portnum = 0; portnum < NUM_PORTS; portnum++) {









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  		uint pmsk = 0, ppar = 0, psor = 0, pdir = 0;
  		uint podr = 0, pdat = 0, pint = 0;
  		uint msk = 1;









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  		mpc8xx_iop_conf_t *iopc =
  			(mpc8xx_iop_conf_t *) & iop_conf_tab[portnum][0];









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  		mpc8xx_iop_conf_t *eiopc = iopc + PORT_BITS;
  
  		/*
  		 * For all ports except port B, ignore the two don't care entries
  		 * in the configuration tables.
  		 */
  		if (portnum != 1) {









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  			iopc = (mpc8xx_iop_conf_t *) &
  				iop_conf_tab[portnum][2];









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  		}
  
  		/*
  		 * NOTE: index 0 refers to pin 17, index 17 refers to pin 0
  		 */
  		while (iopc < eiopc) {









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  			if (iopc->conf) {









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  				pmsk |= msk;









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  				if (iopc->ppar)
  					ppar |= msk;
  				if (iopc->psor)
  					psor |= msk;
  				if (iopc->pdir)
  					pdir |= msk;
  				if (iopc->podr)
  					podr |= msk;
  				if (iopc->pdat)
  					pdat |= msk;
  				if (iopc->pint)
  					pint |= msk;
  			}
  			msk <<= 1;
  			iopc++;









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  		}









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  		PRINTF ("%s:%d:
    portnum=%d ", __FUNCTION__, __LINE__,
  			portnum);









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  #ifdef IOPORT_DEBUG









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  		switch (portnum) {
  		case 0:
  			printf ("(A)
  ");
  			break;
  		case 1:
  			printf ("(B)
  ");
  			break;
  		case 2:
  			printf ("(C)
  ");
  			break;
  		case 3:
  			printf ("(D)
  ");
  			break;
  		default:
  			printf ("(?)
  ");
  			break;









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  		}
  #endif









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  		PRINTF ("  ppar=0x%.8x  pdir=0x%.8x  podr=0x%.8x
  "
  			"  pdat=0x%.8x  psor=0x%.8x  pint=0x%.8x  pmsk=0x%.8x
  ",
  			ppar, pdir, podr, pdat, psor, pint, pmsk);









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  		/*
  		 * Have to handle the ioports on a port-by-port basis since there
  		 * are three different flavors.
  		 */
  		if (pmsk != 0) {









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  			uint tpmsk = ~pmsk;









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  			if (0 == portnum) {	/* port A */
  				immr->im_ioport.iop_papar &= tpmsk;
  				immr->im_ioport.iop_padat =
  					(immr->im_ioport.
  					 iop_padat & tpmsk) | pdat;
  				immr->im_ioport.iop_padir =
  					(immr->im_ioport.
  					 iop_padir & tpmsk) | pdir;
  				immr->im_ioport.iop_paodr =
  					(immr->im_ioport.
  					 iop_paodr & tpmsk) | podr;
  				immr->im_ioport.iop_papar |= ppar;
  			} else if (1 == portnum) {	/* port B */
  				immr->im_cpm.cp_pbpar &= tpmsk;
  				immr->im_cpm.cp_pbdat =
  					(immr->im_cpm.
  					 cp_pbdat & tpmsk) | pdat;
  				immr->im_cpm.cp_pbdir =
  					(immr->im_cpm.
  					 cp_pbdir & tpmsk) | pdir;
  				immr->im_cpm.cp_pbodr =
  					(immr->im_cpm.
  					 cp_pbodr & tpmsk) | podr;
  				immr->im_cpm.cp_pbpar |= ppar;
  			} else if (2 == portnum) {	/* port C */
  				immr->im_ioport.iop_pcpar &= tpmsk;
  				immr->im_ioport.iop_pcdat =
  					(immr->im_ioport.
  					 iop_pcdat & tpmsk) | pdat;
  				immr->im_ioport.iop_pcdir =
  					(immr->im_ioport.
  					 iop_pcdir & tpmsk) | pdir;
  				immr->im_ioport.iop_pcint =
  					(immr->im_ioport.
  					 iop_pcint & tpmsk) | pint;
  				immr->im_ioport.iop_pcso =
  					(immr->im_ioport.
  					 iop_pcso & tpmsk) | psor;
  				immr->im_ioport.iop_pcpar |= ppar;
  			} else if (3 == portnum) {	/* port D */
  				immr->im_ioport.iop_pdpar &= tpmsk;
  				immr->im_ioport.iop_pddat =
  					(immr->im_ioport.
  					 iop_pddat & tpmsk) | pdat;
  				immr->im_ioport.iop_pddir =
  					(immr->im_ioport.
  					 iop_pddir & tpmsk) | pdir;
  				immr->im_ioport.iop_pdpar |= ppar;









c609719b8
 
 wdenk
 
Initial revision




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  			}
  		}









bf9e3b38f
 
 wdenk
 
* Some code cleanup




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  	}









c609719b8
 
 wdenk
 
Initial revision




320












bf9e3b38f
 
 wdenk
 
* Some code cleanup




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  	PRINTF ("%s:%d: Port A:
    papar=0x%.4x  padir=0x%.4x"
  		"  paodr=0x%.4x
    padat=0x%.4x
  ", __FUNCTION__, __LINE__,
  		immr->im_ioport.iop_papar, immr->im_ioport.iop_padir,
  		immr->im_ioport.iop_paodr, immr->im_ioport.iop_padat);
  	PRINTF ("%s:%d: Port B:
    pbpar=0x%.8x  pbdir=0x%.8x"
  		"  pbodr=0x%.8x
    pbdat=0x%.8x
  ", __FUNCTION__, __LINE__,
  		immr->im_cpm.cp_pbpar, immr->im_cpm.cp_pbdir,
  		immr->im_cpm.cp_pbodr, immr->im_cpm.cp_pbdat);
  	PRINTF ("%s:%d: Port C:
    pcpar=0x%.4x  pcdir=0x%.4x"
  		"  pcdat=0x%.4x
    pcso=0x%.4x  pcint=0x%.4x
    ",
  		__FUNCTION__, __LINE__, immr->im_ioport.iop_pcpar,
  		immr->im_ioport.iop_pcdir, immr->im_ioport.iop_pcdat,
  		immr->im_ioport.iop_pcso, immr->im_ioport.iop_pcint);
  	PRINTF ("%s:%d: Port D:
    pdpar=0x%.4x  pddir=0x%.4x"
  		"  pddat=0x%.4x
  ", __FUNCTION__, __LINE__,
  		immr->im_ioport.iop_pdpar, immr->im_ioport.iop_pddir,
  		immr->im_ioport.iop_pddat);









c609719b8
 
 wdenk
 
Initial revision




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  }