#include <common.h>#include <mpc8xx.h>#include <pcmcia.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#define PCMCIA_BOARD_MSG "UC100"/* * Remark: don't turn off OE "__MY_PCMCIA_GCRX_CXOE" on UC100 board. *         This leads to board-hangup! (sr, 8 Dez. 2004) */static void cfg_ports (void){	volatile immap_t	*immap;	immap = (immap_t *)CFG_IMMR;	/*	* Configure Port A for MAX1602 PC-Card Power-Interface Switch	*/	immap->im_ioport.iop_padat &= ~0x8000;	/* set port x output to low */	immap->im_ioport.iop_padir |= 0x8000;	/* enable port x as output */	debug ("Set Port A: PAR: %08x DIR: %08x DAT: %08x\n",	       immap->im_ioport.iop_papar, immap->im_ioport.iop_padir,	       immap->im_ioport.iop_padat);}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));	/* Configure Ports for TPS2211A PC-Card Power-Interface Switch */	cfg_ports ();	/*	* Configure SIUMCR to enable PCMCIA port B	* (VFLS[0:1] are not used for debugging, we connect FRZ# instead)	*/	sysp->sc_siumcr &= ~SIUMCR_DBGC11;	/* set DBGC to 00 */	/* 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 */	PCMCIA_PGCRX(_slot_) = reg;	udelay(500);	/*	* 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);	if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) {		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) {		puts (" 5.0V card found: ");	} else {		puts (" 3.3V card found: ");	}	/*  switch VCC on */	immap->im_ioport.iop_padat |= 0x8000; /* power enable 3.3V */	udelay(10000);	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){	volatile immap_t	*immap;	volatile cpm8xx_t	*cp;	volatile pcmconf8xx_t	*pcmp;	u_long reg;	debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);	immap = (immap_t *)CFG_IMMR;	pcmp  = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));	/* switch VCC off */	immap->im_ioport.iop_padat &= ~0x8000; /* power disable 3.3V */	/* Configure PCMCIA General Control Register */	debug ("Disable PCMCIA buffers and assert RESET\n");	reg  = 0;	reg |= __MY_PCMCIA_GCRX_CXRESET;	/* active high */	PCMCIA_PGCRX(_slot_) = reg;	udelay(10000);	return (0);}#endif	/* CFG_CMD_PCMCIA */int pcmcia_voltage_set(int slot, int vcc, int vpp){	volatile immap_t	*immap;	volatile pcmconf8xx_t	*pcmp;	u_long reg;	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);	immap = (immap_t *)CFG_IMMR;	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 */	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 */	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);}#endif	/* CONFIG_PCMCIA */