[people/ms/u-boot.git] / drivers / pcmcia / marubun_pcmcia.c

/*
 * Marubun MR-SHPC-01 PCMCIA controller device driver
 *
 * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <config.h>
#include <pcmcia.h>
#include <asm/io.h>

#undef CONFIG_PCMCIA

#if defined(CONFIG_CMD_PCMCIA)
#define	CONFIG_PCMCIA
#endif

#if defined(CONFIG_IDE)
#define	CONFIG_PCMCIA
#endif

#if defined(CONFIG_PCMCIA)

/* MR-SHPC-01 register */
#define MRSHPC_MODE	(CONFIG_SYS_MARUBUN_MRSHPC + 4)
#define MRSHPC_OPTION   (CONFIG_SYS_MARUBUN_MRSHPC + 6)
#define MRSHPC_CSR      (CONFIG_SYS_MARUBUN_MRSHPC + 8)
#define MRSHPC_ISR      (CONFIG_SYS_MARUBUN_MRSHPC + 10)
#define MRSHPC_ICR      (CONFIG_SYS_MARUBUN_MRSHPC + 12)
#define MRSHPC_CPWCR    (CONFIG_SYS_MARUBUN_MRSHPC + 14)
#define MRSHPC_MW0CR1   (CONFIG_SYS_MARUBUN_MRSHPC + 16)
#define MRSHPC_MW1CR1   (CONFIG_SYS_MARUBUN_MRSHPC + 18)
#define MRSHPC_IOWCR1   (CONFIG_SYS_MARUBUN_MRSHPC + 20)
#define MRSHPC_MW0CR2   (CONFIG_SYS_MARUBUN_MRSHPC + 22)
#define MRSHPC_MW1CR2   (CONFIG_SYS_MARUBUN_MRSHPC + 24)
#define MRSHPC_IOWCR2   (CONFIG_SYS_MARUBUN_MRSHPC + 26)
#define MRSHPC_CDCR     (CONFIG_SYS_MARUBUN_MRSHPC + 28)
#define MRSHPC_PCIC_INFO (CONFIG_SYS_MARUBUN_MRSHPC + 30)

int pcmcia_on (void)
{
	printf("Enable PCMCIA " PCMCIA_SLOT_MSG "\n");

	/* Init */
	outw( 0x0000 , MRSHPC_MODE );

	if ((inw(MRSHPC_CSR) & 0x000c) == 0){	/* if card detect is true */
		if ((inw(MRSHPC_CSR) & 0x0080) == 0){
			outw(0x0674 ,MRSHPC_CPWCR);  /* Card Vcc is 3.3v? */
		}else{
			outw(0x0678 ,MRSHPC_CPWCR);  /* Card Vcc is 5V */
		}
		udelay( 100000 );   /* wait for power on */
	}else{
		return 1;
	}
	/*
	 *	PC-Card window open
	 *	flag == COMMON/ATTRIBUTE/IO
	 */
	/* common window open */
	outw(0x8a84,MRSHPC_MW0CR1); /* window 0xb8400000 */
	if ((inw(MRSHPC_CSR) & 0x4000) != 0)
		outw(0x0b00,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 1 */
	else
		outw(0x0300,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 0 */

	/* attribute window open */
	outw(0x8a85,MRSHPC_MW1CR1); /* window 0xb8500000 */
	if ((inw(MRSHPC_CSR) & 0x4000) != 0)
		outw(0x0a00,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 1 */
	else
		outw(0x0200,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 0 */

	/* I/O window open */
	outw(0x8a86,MRSHPC_IOWCR1); /* I/O window 0xb8600000 */
	outw(0x0008,MRSHPC_CDCR);   /* I/O card mode */
	if ((inw(MRSHPC_CSR) & 0x4000) != 0)
		outw(0x0a00,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1 */
	else
		outw(0x0200,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0 */

	outw(0x0000,MRSHPC_ISR);
	outw(0x2000,MRSHPC_ICR);
	outb(0x00,(CONFIG_SYS_MARUBUN_MW2 + 0x206));
	outb(0x42,(CONFIG_SYS_MARUBUN_MW2 + 0x200));

	return 0;
}

int pcmcia_off (void)
{
	printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n");

	return 0;
}

#endif /* CONFIG_PCMCIA */
Commit	Line	Data
33ecdc2f NI	1	/*
	2	* Marubun MR-SHPC-01 PCMCIA controller device driver
	3	*
	4	* (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
	5	*
1a459660	6	* SPDX-License-Identifier: GPL-2.0+
61fb15c5	7	*/
33ecdc2f NI	8
	9	#include <common.h>
	10	#include <config.h>
	11	#include <pcmcia.h>
	12	#include <asm/io.h>
	13
f91d7ae5 NI	14	#undef CONFIG_PCMCIA
	15
	16	#if defined(CONFIG_CMD_PCMCIA)
33ecdc2f NI	17	#define CONFIG_PCMCIA
	18	#endif
	19
fc843a02	20	#if defined(CONFIG_IDE)
33ecdc2f NI	21	#define CONFIG_PCMCIA
	22	#endif
	23
c9eff328	24	#if defined(CONFIG_PCMCIA)
33ecdc2f NI	25
33ecdc2f NI	26	/* MR-SHPC-01 register */
6d0f6bcf JCPV	27	#define MRSHPC_MODE (CONFIG_SYS_MARUBUN_MRSHPC + 4)
	28	#define MRSHPC_OPTION (CONFIG_SYS_MARUBUN_MRSHPC + 6)
	29	#define MRSHPC_CSR (CONFIG_SYS_MARUBUN_MRSHPC + 8)
	30	#define MRSHPC_ISR (CONFIG_SYS_MARUBUN_MRSHPC + 10)
	31	#define MRSHPC_ICR (CONFIG_SYS_MARUBUN_MRSHPC + 12)
	32	#define MRSHPC_CPWCR (CONFIG_SYS_MARUBUN_MRSHPC + 14)
	33	#define MRSHPC_MW0CR1 (CONFIG_SYS_MARUBUN_MRSHPC + 16)
	34	#define MRSHPC_MW1CR1 (CONFIG_SYS_MARUBUN_MRSHPC + 18)
	35	#define MRSHPC_IOWCR1 (CONFIG_SYS_MARUBUN_MRSHPC + 20)
	36	#define MRSHPC_MW0CR2 (CONFIG_SYS_MARUBUN_MRSHPC + 22)
	37	#define MRSHPC_MW1CR2 (CONFIG_SYS_MARUBUN_MRSHPC + 24)
	38	#define MRSHPC_IOWCR2 (CONFIG_SYS_MARUBUN_MRSHPC + 26)
	39	#define MRSHPC_CDCR (CONFIG_SYS_MARUBUN_MRSHPC + 28)
	40	#define MRSHPC_PCIC_INFO (CONFIG_SYS_MARUBUN_MRSHPC + 30)
33ecdc2f NI	41
	42	int pcmcia_on (void)
	43	{
	44	printf("Enable PCMCIA " PCMCIA_SLOT_MSG "\n");
	45
	46	/* Init */
	47	outw( 0x0000 , MRSHPC_MODE );
	48
	49	if ((inw(MRSHPC_CSR) & 0x000c) == 0){ /* if card detect is true */
	50	if ((inw(MRSHPC_CSR) & 0x0080) == 0){
	51	outw(0x0674 ,MRSHPC_CPWCR); /* Card Vcc is 3.3v? */
	52	}else{
	53	outw(0x0678 ,MRSHPC_CPWCR); /* Card Vcc is 5V */
	54	}
	55	udelay( 100000 ); /* wait for power on */
	56	}else{
	57	return 1;
	58	}
	59	/*
	60	* PC-Card window open
	61	* flag == COMMON/ATTRIBUTE/IO
	62	*/
	63	/* common window open */
	64	outw(0x8a84,MRSHPC_MW0CR1); /* window 0xb8400000 */
	65	if ((inw(MRSHPC_CSR) & 0x4000) != 0)
	66	outw(0x0b00,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 1 */
	67	else
	68	outw(0x0300,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 0 */
61fb15c5	69
33ecdc2f NI	70	/* attribute window open */
	71	outw(0x8a85,MRSHPC_MW1CR1); /* window 0xb8500000 */
	72	if ((inw(MRSHPC_CSR) & 0x4000) != 0)
	73	outw(0x0a00,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 1 */
	74	else
	75	outw(0x0200,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 0 */
61fb15c5	76
33ecdc2f NI	77	/* I/O window open */
	78	outw(0x8a86,MRSHPC_IOWCR1); /* I/O window 0xb8600000 */
	79	outw(0x0008,MRSHPC_CDCR); /* I/O card mode */
	80	if ((inw(MRSHPC_CSR) & 0x4000) != 0)
	81	outw(0x0a00,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1 */
	82	else
	83	outw(0x0200,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0 */
61fb15c5	84
33ecdc2f NI	85	outw(0x0000,MRSHPC_ISR);
33ecdc2f NI	86	outw(0x2000,MRSHPC_ICR);
6d0f6bcf JCPV	87	outb(0x00,(CONFIG_SYS_MARUBUN_MW2 + 0x206));
6d0f6bcf JCPV	88	outb(0x42,(CONFIG_SYS_MARUBUN_MW2 + 0x200));
33ecdc2f NI	89
	90	return 0;
	91	}
	92
	93	int pcmcia_off (void)
	94	{
	95	printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n");
	96
	97	return 0;
	98	}
	99
c9eff328	100	#endif /* CONFIG_PCMCIA */