Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Buddha, Catweasel and X-Surf PATA controller driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (c) 2018 Samsung Electronics Co., Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *		http://www.samsung.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Based on buddha.c:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *	Copyright (C) 1997, 2001 by Geert Uytterhoeven and others
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/ata.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/libata.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/mod_devicetable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <linux/zorro.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <scsi/scsi_cmnd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <asm/amigahw.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #include <asm/amigaints.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #include <asm/ide.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #include <asm/setup.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #define DRV_NAME "pata_buddha"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define DRV_VERSION "0.1.1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define BUDDHA_BASE1	0x800
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #define BUDDHA_BASE2	0xa00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #define BUDDHA_BASE3	0xc00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) #define XSURF_BASE1	0xb000 /* 2.5" interface */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #define XSURF_BASE2	0xd000 /* 3.5" interface */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) #define BUDDHA_CONTROL	0x11a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #define BUDDHA_IRQ	0xf00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #define XSURF_IRQ	0x7e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #define BUDDHA_IRQ_MR	0xfc0	/* master interrupt enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	BOARD_BUDDHA = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	BOARD_CATWEASEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	BOARD_XSURF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) static unsigned int buddha_bases[3] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	BUDDHA_BASE1, BUDDHA_BASE2, BUDDHA_BASE3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) static unsigned int xsurf_bases[2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	XSURF_BASE1, XSURF_BASE2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) static struct scsi_host_template pata_buddha_sht = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	ATA_PIO_SHT(DRV_NAME),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) /* FIXME: is this needed? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) static unsigned int pata_buddha_data_xfer(struct ata_queued_cmd *qc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 					 unsigned char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 					 unsigned int buflen, int rw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	struct ata_device *dev = qc->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	struct ata_port *ap = dev->link->ap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	void __iomem *data_addr = ap->ioaddr.data_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	unsigned int words = buflen >> 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	/* Transfer multiple of 2 bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	if (rw == READ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		raw_insw((u16 *)data_addr, (u16 *)buf, words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		raw_outsw((u16 *)data_addr, (u16 *)buf, words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	/* Transfer trailing byte, if any. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	if (unlikely(buflen & 0x01)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		unsigned char pad[2] = { };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		/* Point buf to the tail of buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		buf += buflen - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		if (rw == READ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 			raw_insw((u16 *)data_addr, (u16 *)pad, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 			*buf = pad[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 			pad[0] = *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 			raw_outsw((u16 *)data_addr, (u16 *)pad, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		words++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	return words << 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)  * Provide our own set_mode() as we don't want to change anything that has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)  * already been configured..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static int pata_buddha_set_mode(struct ata_link *link,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 				struct ata_device **unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	struct ata_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	ata_for_each_dev(dev, link, ENABLED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		/* We don't really care */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		dev->pio_mode = dev->xfer_mode = XFER_PIO_0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		dev->xfer_shift = ATA_SHIFT_PIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		dev->flags |= ATA_DFLAG_PIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		ata_dev_info(dev, "configured for PIO\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static bool pata_buddha_irq_check(struct ata_port *ap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	u8 ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	ch = z_readb((unsigned long)ap->private_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	return !!(ch & 0x80);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static void pata_xsurf_irq_clear(struct ata_port *ap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	z_writeb(0, (unsigned long)ap->private_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) static struct ata_port_operations pata_buddha_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	.inherits	= &ata_sff_port_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	.sff_data_xfer	= pata_buddha_data_xfer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	.sff_irq_check	= pata_buddha_irq_check,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	.cable_detect	= ata_cable_unknown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	.set_mode	= pata_buddha_set_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static struct ata_port_operations pata_xsurf_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	.inherits	= &ata_sff_port_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	.sff_data_xfer	= pata_buddha_data_xfer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	.sff_irq_check	= pata_buddha_irq_check,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	.sff_irq_clear	= pata_xsurf_irq_clear,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	.cable_detect	= ata_cable_unknown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	.set_mode	= pata_buddha_set_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static int pata_buddha_probe(struct zorro_dev *z,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 			     const struct zorro_device_id *ent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	static const char * const board_name[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		"Buddha", "Catweasel", "X-Surf"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	struct ata_host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	void __iomem *buddha_board;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	unsigned long board;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	unsigned int type = ent->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	unsigned int nr_ports = (type == BOARD_CATWEASEL) ? 3 : 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	void *old_drvdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	dev_info(&z->dev, "%s IDE controller\n", board_name[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	board = z->resource.start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	if (type != BOARD_XSURF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		if (!devm_request_mem_region(&z->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 					     board + BUDDHA_BASE1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 					     0x800, DRV_NAME))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 			return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		if (!devm_request_mem_region(&z->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 					     board + XSURF_BASE1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 					     0x1000, DRV_NAME))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 			return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		if (!devm_request_mem_region(&z->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 					     board + XSURF_BASE2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 					     0x1000, DRV_NAME)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	/* Workaround for X-Surf: Save drvdata in case zorro8390 has set it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	if (type == BOARD_XSURF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		old_drvdata = dev_get_drvdata(&z->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	/* allocate host */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	host = ata_host_alloc(&z->dev, nr_ports);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	if (type == BOARD_XSURF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		dev_set_drvdata(&z->dev, old_drvdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	if (!host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	buddha_board = ZTWO_VADDR(board);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	/* enable the board IRQ on Buddha/Catweasel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	if (type != BOARD_XSURF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		z_writeb(0, buddha_board + BUDDHA_IRQ_MR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	for (i = 0; i < nr_ports; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		struct ata_port *ap = host->ports[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		void __iomem *base, *irqport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 		unsigned long ctl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		if (type != BOARD_XSURF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 			ap->ops = &pata_buddha_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 			base = buddha_board + buddha_bases[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 			ctl = BUDDHA_CONTROL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 			irqport = buddha_board + BUDDHA_IRQ + i * 0x40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 			ap->ops = &pata_xsurf_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 			base = buddha_board + xsurf_bases[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 			/* X-Surf has no CS1* (Control/AltStat) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 			irqport = buddha_board + XSURF_IRQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		ap->pio_mask = ATA_PIO4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		ap->flags |= ATA_FLAG_SLAVE_POSS | ATA_FLAG_NO_IORDY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		ap->ioaddr.data_addr		= base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		ap->ioaddr.error_addr		= base + 2 + 1 * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		ap->ioaddr.feature_addr		= base + 2 + 1 * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		ap->ioaddr.nsect_addr		= base + 2 + 2 * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		ap->ioaddr.lbal_addr		= base + 2 + 3 * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		ap->ioaddr.lbam_addr		= base + 2 + 4 * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		ap->ioaddr.lbah_addr		= base + 2 + 5 * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		ap->ioaddr.device_addr		= base + 2 + 6 * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		ap->ioaddr.status_addr		= base + 2 + 7 * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		ap->ioaddr.command_addr		= base + 2 + 7 * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		if (ctl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 			ap->ioaddr.altstatus_addr = base + ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 			ap->ioaddr.ctl_addr	  = base + ctl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 		ap->private_data = (void *)irqport;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", board,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 			      ctl ? board + buddha_bases[i] + ctl : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	ata_host_activate(host, IRQ_AMIGA_PORTS, ata_sff_interrupt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 			  IRQF_SHARED, &pata_buddha_sht);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) static void pata_buddha_remove(struct zorro_dev *z)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	struct ata_host *host = dev_get_drvdata(&z->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	ata_host_detach(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) static const struct zorro_device_id pata_buddha_zorro_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	{ ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA, BOARD_BUDDHA},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	{ ZORRO_PROD_INDIVIDUAL_COMPUTERS_CATWEASEL, BOARD_CATWEASEL},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	{ 0 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) MODULE_DEVICE_TABLE(zorro, pata_buddha_zorro_tbl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) static struct zorro_driver pata_buddha_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	.name           = "pata_buddha",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	.id_table       = pata_buddha_zorro_tbl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	.probe          = pata_buddha_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	.remove         = pata_buddha_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)  * We cannot have a modalias for X-Surf boards, as it competes with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)  * zorro8390 network driver. As a stopgap measure until we have proper
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)  * MFD support for this board, we manually attach to it late after Zorro
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)  * has enumerated its boards.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) static int __init pata_buddha_late_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	struct zorro_dev *z = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	/* Auto-bind to regular boards */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	zorro_register_driver(&pata_buddha_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	/* Manually bind to all X-Surf boards */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	while ((z = zorro_find_device(ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, z))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 		static struct zorro_device_id xsurf_ent = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 			ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, BOARD_XSURF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 		pata_buddha_probe(z, &xsurf_ent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) late_initcall(pata_buddha_late_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) MODULE_AUTHOR("Bartlomiej Zolnierkiewicz");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) MODULE_DESCRIPTION("low-level driver for Buddha/Catweasel/X-Surf PATA");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) MODULE_VERSION(DRV_VERSION);