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/*
* (C) Copyright 2002
* Wolfgang Grandegger, DENX Software Engineering, wg@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 <mpc8260.h>
#include <common.h>
#include "../common/fpga.h"
fpga_t fpga_list[] = {
{"FIOX", CFG_FIOX_BASE,
CFG_PD_FIOX_INIT, CFG_PD_FIOX_PROG, CFG_PD_FIOX_DONE}
,
{"FDOHM", CFG_FDOHM_BASE,
CFG_PD_FDOHM_INIT, CFG_PD_FDOHM_PROG, CFG_PD_FDOHM_DONE}
};
int fpga_count = sizeof (fpga_list) / sizeof (fpga_t);
ulong fpga_control (fpga_t * fpga, int cmd)
{
volatile immap_t *immr = (immap_t *) CFG_IMMR;
switch (cmd) {
case FPGA_INIT_IS_HIGH:
immr->im_ioport.iop_pdird &= ~fpga->init_mask; /* input */
return (immr->im_ioport.iop_pdatd & fpga->init_mask) ? 1 : 0;
case FPGA_INIT_SET_LOW:
immr->im_ioport.iop_pdird |= fpga->init_mask; /* output */
immr->im_ioport.iop_pdatd &= ~fpga->init_mask;
break;
case FPGA_INIT_SET_HIGH:
immr->im_ioport.iop_pdird |= fpga->init_mask; /* output */
immr->im_ioport.iop_pdatd |= fpga->init_mask;
break;
case FPGA_PROG_SET_LOW:
immr->im_ioport.iop_pdatd &= ~fpga->prog_mask;
break;
case FPGA_PROG_SET_HIGH:
immr->im_ioport.iop_pdatd |= fpga->prog_mask;
break;
case FPGA_DONE_IS_HIGH:
return (immr->im_ioport.iop_pdatd & fpga->done_mask) ? 1 : 0;
case FPGA_READ_MODE:
break;
case FPGA_LOAD_MODE:
break;
case FPGA_GET_ID:
if (fpga->conf_base == CFG_FIOX_BASE) {
ulong ver =
*(volatile ulong *) (fpga->conf_base + 0x10);
return ((ver >> 10) & 0xf) + ((ver >> 2) & 0xf0);
} else if (fpga->conf_base == CFG_FDOHM_BASE) {
return (*(volatile ushort *) fpga->conf_base) & 0xff;
} else {
return *(volatile ulong *) fpga->conf_base;
}
case FPGA_INIT_PORTS:
immr->im_ioport.iop_ppard &= ~fpga->init_mask; /* INIT I/O */
immr->im_ioport.iop_psord &= ~fpga->init_mask;
immr->im_ioport.iop_pdird &= ~fpga->init_mask;
immr->im_ioport.iop_ppard &= ~fpga->prog_mask; /* PROG Output */
immr->im_ioport.iop_psord &= ~fpga->prog_mask;
immr->im_ioport.iop_pdird |= fpga->prog_mask;
immr->im_ioport.iop_ppard &= ~fpga->done_mask; /* DONE Input */
immr->im_ioport.iop_psord &= ~fpga->done_mask;
immr->im_ioport.iop_pdird &= ~fpga->done_mask;
break;
}
return 0;
}
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