cmd_pcmcia.c

		" Slot %c, Vcc=%d.%d, Vpp=%d.%d\n",
		'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10);

	immap = (immap_t *)CFG_IMMR;
	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm));
	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
	/*
	 * Disable PCMCIA buffers (isolate the interface)
	 * and assert RESET signal
	 */
	debug ("Disable PCMCIA buffers and assert RESET\n");
	reg  = PCMCIA_PGCRX(_slot_);
	reg |= __MY_PCMCIA_GCRX_CXRESET;	/* active high */
	reg |= __MY_PCMCIA_GCRX_CXOE;		/* active low  */
	PCMCIA_PGCRX(_slot_) = reg;
	udelay(500);

	/*
	 * Configure Port C pins for
	 * 5 Volts Enable and 3 Volts enable,
	 * Turn all power pins to Hi-Z
	 */
	debug ("PCMCIA power OFF\n");
	cfg_ports ();	/* Enables switch, but all in Hi-Z */

	sreg  = immap->im_ioport.iop_pcdat;
	set_vppd(0, 1); set_vppd(1, 1);

	switch(vcc) {
	case  0:
		break;	/* Switch off		*/

	case 33:
		set_vccd(0, 1); set_vccd(1, 0);
		break;

	case 50:
		set_vccd(0, 0); set_vccd(1, 1);
		break;

	default:
		goto done;
	}

	/* Checking supported voltages */

	debug ("PIPR: 0x%x --> %s\n",
		pcmp->pcmc_pipr,
		(pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V");

done:
	debug ("Enable PCMCIA buffers and stop RESET\n");
	reg  =  PCMCIA_PGCRX(_slot_);
	reg &= ~__MY_PCMCIA_GCRX_CXRESET;	/* active high */
	reg &= ~__MY_PCMCIA_GCRX_CXOE;		/* active low  */
	PCMCIA_PGCRX(_slot_) = reg;
	udelay(500);

	debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n",
		slot+'A');
	return (0);
}

static void cfg_ports (void)
{
	volatile immap_t	*immap;
	volatile cpm8xx_t	*cp;

	immap = (immap_t *)CFG_IMMR;
	cp    = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm));


	cfg_vppd(0); cfg_vppd(1);	/* VPPD0,VPPD1 VAVPP => Hi-Z */
	cfg_vccd(0); cfg_vccd(1);	/* 3V and 5V off */
	cfg_shdn();
	cfg_oc();

	/*
	 * Configure Port A for TPS2211 PC-Card Power-Interface Switch
	 *
	 * Switch off all voltages, assert shutdown
	 */
	set_vppd(0, 1); set_vppd(1, 1);
	set_vccd(0, 0); set_vccd(1, 0);
	set_shdn(1);

	udelay(100000);
}

#endif	/* NETTA */


/* -------------------------------------------------------------------- */

#endif /* CFG_CMD_PCMCIA || (CFG_CMD_IDE && CONFIG_IDE_8xx_PCCARD) */

/**************************************************/

#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)
U_BOOT_CMD(
	pinit,	2,	1,	do_pinit,
	"pinit   - PCMCIA sub-system\n",
	"on  - power on PCMCIA socket\n"
	"pinit off - power off PCMCIA socket\n"
);
#endif