| /* |
| * (C) Copyright 2000 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.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 <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 |
| * Pin Signal Type Active Initial state |
| * PA7 fpgaProgramLowOut Out Low High |
| * PA1 fpgaCoreVoltageFailLow In Low N/A |
| */ |
| { /* conf ppar psor pdir podr pdat pint function */ |
| /* 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 }, /* */ |
| #if !defined(CONFIG_SC) |
| /* PA1 */ { 1, 0, 0, 0, 0, 0, 0 }, /* fpgaCoreVoltageFail*/ |
| #else |
| /* PA1 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
| #endif |
| /* PA0 */ { 0, 0, 0, 0, 0, 0, 0 } /* */ |
| }, |
| |
| /* |
| * Port B configuration |
| * Pin Signal Type Active Initial state |
| * PB14 docBusyLowIn In Low X |
| * PB15 gpio1Sig Out High Low |
| * PB16 fpgaDoneBi In High X |
| * PB17 swBitOkLowOut Out Low High |
| * PB19 speakerVolSig Out/Hi-Z High/Low High (Hi-Z) |
| * PB22 fpgaInitLowBi In Low X |
| * PB23 batteryOkSig In High X |
| * PB31 pulseCatcherClr Out High 0 |
| */ |
| { /* conf ppar psor pdir podr pdat pint function */ |
| #if !defined(CONFIG_SC) |
| /* PB31 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
| #else |
| /* PB31 */ { 1, 0, 0, 1, 0, 0, 0 }, /* pulseCatcherClr */ |
| #endif |
| /* 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 }, /* */ |
| #if !defined(CONFIG_SC) |
| /* PB23 */ { 1, 0, 0, 0, 0, 0, 0 }, /* batteryOk */ |
| #else |
| /* PB23 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
| #endif |
| /* 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 }, /* */ |
| #if !defined(CONFIG_SC) |
| /* PB19 */ { 1, 0, 0, 1, 1, 1, 0 }, /* speakerVol */ |
| #else |
| /* PB19 */ { 0, 0, 0, 1, 1, 1, 0 }, /* */ |
| #endif |
| /* PB18 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
| /* PB17 */ { 1, 0, 0, 1, 0, 1, 0 }, /* swBitOkLow */ |
| /* PB16 */ { 1, 0, 0, 0, 0, 0, 0 }, /* fpgaDone */ |
| /* PB15 */ { 1, 0, 0, 1, 0, 0, 0 }, /* gpio1 */ |
| #if !defined(CONFIG_SC) |
| /* PB14 */ { 1, 0, 0, 0, 0, 0, 0 } /* docBusyLow */ |
| #else |
| /* PB14 */ { 0, 0, 0, 0, 0, 0, 0 } /* */ |
| #endif |
| }, |
| |
| /* |
| * Port C configuration |
| * 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 |
| */ |
| { /* conf ppar psor pdir podr pdat pint function */ |
| /* 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 }, /* */ |
| #if !defined(CONFIG_SC) |
| /* PC12 */ { 1, 0, 0, 0, 0, 0, 0 }, /* systemBitOkIn */ |
| #else |
| /* PC12 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
| #endif |
| /* PC11 */ { 1, 0, 0, 1, 0, 1, 0 }, /* fpgaResetLowOut */ |
| #if !defined(CONFIG_SC) |
| /* PC10 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus4EnSig */ |
| #else |
| /* PC10 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */ |
| #endif |
| /* PC9 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
| #if !defined(CONFIG_SC) |
| /* PC8 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus3EnSig */ |
| #else |
| /* PC8 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */ |
| #endif |
| /* PC7 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
| /* PC6 */ { 1, 0, 0, 1, 0, 1, 0 }, /* gpio0 */ |
| #if !defined(CONFIG_SC) |
| /* PC5 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus2EnSig */ |
| /* PC4 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus1EnSig */ |
| #else |
| /* PC5 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */ |
| /* PC4 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */ |
| #endif |
| /* 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 } /* */ |
| }, |
| |
| /* |
| * Port D configuration |
| */ |
| { /* conf ppar psor pdir podr pdat pint function */ |
| /* 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 } /* */ |
| } |
| }; |
| |
| /* |
| * Configure the MPC8XX I/O ports per the ioport configuration table |
| * (taken from ./cpu/mpc8260/cpu_init.c) |
| */ |
| void config_mpc8xx_ioports (volatile immap_t * immr) |
| { |
| int portnum; |
| |
| for (portnum = 0; portnum < NUM_PORTS; portnum++) { |
| uint pmsk = 0, ppar = 0, psor = 0, pdir = 0; |
| uint podr = 0, pdat = 0, pint = 0; |
| uint msk = 1; |
| mpc8xx_iop_conf_t *iopc = |
| (mpc8xx_iop_conf_t *) & iop_conf_tab[portnum][0]; |
| 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) { |
| iopc = (mpc8xx_iop_conf_t *) & |
| iop_conf_tab[portnum][2]; |
| } |
| |
| /* |
| * NOTE: index 0 refers to pin 17, index 17 refers to pin 0 |
| */ |
| while (iopc < eiopc) { |
| if (iopc->conf) { |
| pmsk |= msk; |
| 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++; |
| } |
| |
| PRINTF ("%s:%d:\n portnum=%d ", __FUNCTION__, __LINE__, |
| portnum); |
| #ifdef IOPORT_DEBUG |
| switch (portnum) { |
| case 0: |
| printf ("(A)\n"); |
| break; |
| case 1: |
| printf ("(B)\n"); |
| break; |
| case 2: |
| printf ("(C)\n"); |
| break; |
| case 3: |
| printf ("(D)\n"); |
| break; |
| default: |
| printf ("(?)\n"); |
| break; |
| } |
| #endif |
| PRINTF (" ppar=0x%.8x pdir=0x%.8x podr=0x%.8x\n" |
| " pdat=0x%.8x psor=0x%.8x pint=0x%.8x pmsk=0x%.8x\n", |
| ppar, pdir, podr, pdat, psor, pint, pmsk); |
| |
| /* |
| * Have to handle the ioports on a port-by-port basis since there |
| * are three different flavors. |
| */ |
| if (pmsk != 0) { |
| uint tpmsk = ~pmsk; |
| |
| 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; |
| } |
| } |
| } |
| |
| PRINTF ("%s:%d: Port A:\n papar=0x%.4x padir=0x%.4x" |
| " paodr=0x%.4x\n padat=0x%.4x\n", __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:\n pbpar=0x%.8x pbdir=0x%.8x" |
| " pbodr=0x%.8x\n pbdat=0x%.8x\n", __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:\n pcpar=0x%.4x pcdir=0x%.4x" |
| " pcdat=0x%.4x\n pcso=0x%.4x pcint=0x%.4x\n ", |
| __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:\n pdpar=0x%.4x pddir=0x%.4x" |
| " pddat=0x%.4x\n", __FUNCTION__, __LINE__, |
| immr->im_ioport.iop_pdpar, immr->im_ioport.iop_pddir, |
| immr->im_ioport.iop_pddat); |
| } |
