#include <common.h>#include <mpc8xx.h>#include <pcmcia.h>#include "csr.h"#undef	CONFIG_PCMCIA#if	(CONFIG_COMMANDS & CFG_CMD_PCMCIA)#define	CONFIG_PCMCIA#endif#if	(CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)#define	CONFIG_PCMCIA#endif#ifdef	CONFIG_PCMCIA/* A lot of this has been taken from the RPX code in this file it works from me.   I have added the voltage selection for the MBX board. *//* MBX voltage bit in control register #2 */#define CR2_VPP12       ((uchar)0x10)#define CR2_VPPVDD      ((uchar)0x20)#define CR2_VDD5        ((uchar)0x40)#define CR2_VDD3        ((uchar)0x80)#define PCMCIA_BOARD_MSG "MBX860"int pcmcia_voltage_set (int slot, int vcc, int vpp){	uchar reg = 0;	debug ("voltage_set: PCMCIA_BOARD_MSG Slot %c, Vcc=%d.%d, Vpp=%d.%d\n",	       'A' + slot, vcc / 10, vcc % 10, vpp / 10, vcc % 10);	switch (vcc) {		case 0:			break;		case 33:			reg |= CR2_VDD3;			break;		case 50:			reg |= CR2_VDD5;			break;		default:			return 1;	}	switch (vpp) {		case 0:			break;		case 33:		case 50:			if (vcc == vpp) {				reg |= CR2_VPPVDD;			} else {				return 1;			}			break;		case 120:			reg |= CR2_VPP12;			break;		default:			return 1;	}	/* first, turn off all power */	MBX_CSR2 &= ~(CR2_VDDSEL | CR2_VPPSEL);	/* enable new powersettings */	MBX_CSR2 |= reg;	debug ("MBX_CSR2 read = 0x%02x\n", MBX_CSR2);	return (0);}int pcmcia_hardware_enable (int slot){	volatile immap_t *immap;	volatile cpm8xx_t *cp;	volatile pcmconf8xx_t *pcmp;	volatile sysconf8xx_t *sysp;	uint reg, mask;	debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n",	       'A' + slot);	udelay (10000);	immap = (immap_t *) CFG_IMMR;	sysp = (sysconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_siu_conf));	pcmp = (pcmconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_pcmcia));	cp = (cpm8xx_t *) (&(((immap_t *) CFG_IMMR)->im_cpm));	/* clear interrupt state, and disable interrupts */	pcmp->pcmc_pscr = PCMCIA_MASK (_slot_);	pcmp->pcmc_per &= ~PCMCIA_MASK (_slot_);	/*	* Disable interrupts, DMA, and PCMCIA buffers	* (isolate the interface) and assert RESET signal	*/	debug ("Disable PCMCIA buffers and assert RESET\n");	reg = 0;	reg |= __MY_PCMCIA_GCRX_CXRESET;	/* active high */	reg |= __MY_PCMCIA_GCRX_CXOE;	/* active low  */	PCMCIA_PGCRX (_slot_) = reg;	udelay (500);	/* remove all power */	pcmcia_voltage_set (slot, 0, 0);	/*	* Make sure there is a card in the slot, then configure the interface.	*/	udelay(10000);	debug ("[%d] %s: PIPR(%p)=0x%x\n",	       __LINE__,__FUNCTION__,	       &(pcmp->pcmc_pipr),pcmp->pcmc_pipr);#ifndef CONFIG_HMI10	if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) {#else	if (pcmp->pcmc_pipr & (0x10000000 >> (slot << 4))) {#endif	/* CONFIG_HMI10 */		printf ("   No Card found\n");		return (1);	}	/*	* Power On.	*/	mask = PCMCIA_VS1 (_slot_) | PCMCIA_VS2 (_slot_);	reg = pcmp->pcmc_pipr;	debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", reg,	       (reg & PCMCIA_VS1 (slot)) ? "n" : "ff",	       (reg & PCMCIA_VS2 (slot)) ? "n" : "ff");	if ((reg & mask) == mask) {		pcmcia_voltage_set (_slot_, 50, 0);		printf (" 5.0V card found: ");	} else {		pcmcia_voltage_set (_slot_, 33, 0);		printf (" 3.3V card found: ");	}	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 (250000);	/* some cards need >150 ms to come up :-( */	debug ("# hardware_enable done\n");	return (0);	}#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)int pcmcia_hardware_disable (int slot){	return 0;	/* No hardware to disable */}#endif /* CFG_CMD_PCMCIA */#endif	/* CONFIG_PCMCIA */