69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/*
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* (C) Copyright 2004
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* Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <mpc8xx.h>
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#include "kup.h"
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#include <asm/io.h>
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int misc_init_f(void)
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{
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volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
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volatile sysconf8xx_t *siu = &immap->im_siu_conf;
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while (in_be32(&siu->sc_sipend) & 0x20000000) {
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debug("waiting for 5V VCC\n");
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}
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/* RS232 / RS485 default is RS232 */
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clrbits_be16(&immap->im_ioport.iop_padat, PA_RS485);
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clrbits_be16(&immap->im_ioport.iop_papar, PA_RS485);
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clrbits_be16(&immap->im_ioport.iop_paodr, PA_RS485);
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setbits_be16(&immap->im_ioport.iop_padir, PA_RS485);
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/* IO Reset min 1 msec */
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setbits_be16(&immap->im_ioport.iop_padat,
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(PA_RESET_IO_01 | PA_RESET_IO_02));
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clrbits_be16(&immap->im_ioport.iop_papar,
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(PA_RESET_IO_01 | PA_RESET_IO_02));
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clrbits_be16(&immap->im_ioport.iop_paodr,
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(PA_RESET_IO_01 | PA_RESET_IO_02));
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setbits_be16(&immap->im_ioport.iop_padir,
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(PA_RESET_IO_01 | PA_RESET_IO_02));
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udelay(1000);
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clrbits_be16(&immap->im_ioport.iop_padat,
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(PA_RESET_IO_01 | PA_RESET_IO_02));
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return (0);
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}
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#ifdef CONFIG_IDE_LED
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void ide_led(uchar led, uchar status)
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{
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volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
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/* We have one led for both pcmcia slots */
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if (status)
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clrbits_be16(&immap->im_ioport.iop_padat, PA_LED_YELLOW);
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else
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setbits_be16(&immap->im_ioport.iop_padat, PA_LED_YELLOW);
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}
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#endif
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void poweron_key(void)
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{
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volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
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clrbits_be16(&immap->im_ioport.iop_pcpar, PC_SWITCH1);
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clrbits_be16(&immap->im_ioport.iop_pcdir, PC_SWITCH1);
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if (in_be16(&immap->im_ioport.iop_pcdat) & (PC_SWITCH1))
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setenv("key1", "off");
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else
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setenv("key1", "on");
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}
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