change the way ./files* and the generic kernel files are applied. ./files now applies to *ALL* kernel versions, and is copied along with ./files-* - this gets rid of quite a bit of redundancy in the extra kernel drivers.

SVN-Revision: 13010

1 files changed, 0 insertions, 487 deletions

diff --git a/target/linux/rb532/files/drivers/block/rb500/ata.c b/target/linux/rb532/files/drivers/block/rb500/ata.c
deleted file mode 100644
index 31e6782fa4..0000000000
--- a/target/linux/rb532/files/drivers/block/rb500/ata.c
+++ /dev/null
@@ -1,487 +0,0 @@
-/* CF-mips driver
-   This is a block driver for the direct (mmaped) interface to the CF-slot,
-   found in Routerboard.com's RB532 board
-   See SDK provided from routerboard.com.
-   
-   Module adapted By P.Christeas <p_christeas@yahoo.com>, 2005-6.
-   Cleaned up and adapted to platform_device by Felix Fietkau <nbd@openwrt.org>
-
-   This work is redistributed under the terms of the GNU General Public License.
-*/
-
-#include <linux/kernel.h>	/* printk() */
-#include <linux/module.h>	/* module to be loadable */
-#include <linux/delay.h>
-#include <linux/sched.h>
-#include <linux/pci.h>
-#include <linux/ioport.h>	/* request_mem_region() */
-
-#include <asm/gpio.h>
-#include <asm/unaligned.h>		/* ioremap() */
-#include <asm/io.h>		/* ioremap() */
-#include <asm/rc32434/rb.h>
-
-#include "ata.h"
-
-#define REQUEST_MEM_REGION 0
-#define DEBUG 1
-
-#if DEBUG
-#define DEBUGP printk
-#else
-#define DEBUGP(format, args...)
-#endif
-
-#define SECS	1000000		/* unit for wait_not_busy() is 1us */
-
-unsigned cf_head = 0;
-unsigned cf_cyl = 0;
-unsigned cf_spt = 0;
-unsigned cf_sectors = 0;
-static unsigned cf_block_size = 1;
-static void *baddr = 0;
-
-#define DBUF32 ((volatile u32 *)((unsigned long)dev->baddr | ATA_DBUF_OFFSET))
-
-
-static void cf_do_tasklet(unsigned long dev_l);
-
-
-static inline void wareg(u8 val, unsigned reg, struct cf_mips_dev* dev)
-{
-	writeb(val, dev->baddr + ATA_REG_OFFSET + reg);
-}
-
-static inline u8 rareg(unsigned reg, struct cf_mips_dev* dev)
-{
-	return readb(dev->baddr + ATA_REG_OFFSET + reg);
-}
-
-static inline int cfrdy(struct cf_mips_dev *dev)
-{
-	return gpio_get_value(dev->pin);
-}
-
-static inline void prepare_cf_irq(struct cf_mips_dev *dev)
-{
-	rb500_gpio_set_int_level(1, dev->pin);	/* interrupt on cf ready (not busy) */
-	rb500_gpio_set_int_status(0, dev->pin); 	/* clear interrupt status */
-}
-
-static inline int cf_present(struct cf_mips_dev* dev)
-{
-	/* TODO: read and configure CIS into memory mapped mode
-	 * TODO:   parse CISTPL_CONFIG on CF+ cards to get base address (0x200)
-	 * TODO:   maybe adjust power saving setting for Hitachi Microdrive
-	 */
-	int i;
-
-	/* setup CFRDY GPIO as input */
-	rb500_gpio_set_func(dev->pin, 0);
-	gpio_direction_input(dev->pin);
-
-	for (i = 0; i < 0x10; ++i) {
-		if (rareg(i,dev) != 0xff)
-			return 1;
-	}
-	return 0;
-}
-
-static inline int is_busy(struct cf_mips_dev *dev)
-{
-	return !cfrdy(dev);
-}
-
-static int wait_not_busy(int to_us, int wait_for_busy,struct cf_mips_dev *dev)
-{
-	int us_passed = 0;
-	if (wait_for_busy && !is_busy(dev)) {
-		/* busy must appear within 400ns,
-		 * but it may dissapear before we see it
-		 *  => must not wait for busy in a loop
-		 */
-		ndelay(400);
-	}
-
-	do {
-		if (us_passed)
-			udelay(1);	/* never reached in async mode */
-		if (!is_busy(dev)) {
-			if (us_passed > 1 * SECS) {
-				printk(KERN_WARNING "cf-mips:   not busy ok (after %dus)"
-				       ", status 0x%02x\n", us_passed, (unsigned) rareg(ATA_REG_ST,dev));
-			}
-			return CF_TRANS_OK;
-		}
-		if (us_passed == 1 * SECS) {
-			printk(KERN_WARNING "cf-mips: wait not busy %dus..\n", to_us);
-		}
-		if (dev->async_mode) {
-			dev->to_timer.expires = jiffies + (to_us * HZ / SECS);
-			dev->irq_enable_time = jiffies;
-			prepare_cf_irq(dev);
-			if (is_busy(dev)) {
-				add_timer(&dev->to_timer);
-				enable_irq(dev->irq);
-				return CF_TRANS_IN_PROGRESS;
-			}
-			continue;
-		}
-		++us_passed;
-	} while (us_passed < to_us);
-
-	printk(KERN_ERR "cf-mips:  wait not busy timeout (%dus)"
-	       ", status 0x%02x, state %d\n",
-	       to_us, (unsigned) rareg(ATA_REG_ST,dev), dev->tstate);
-	return CF_TRANS_FAILED;
-}
-
-static irqreturn_t cf_irq_handler(int irq, void *dev_id)
-{
-	/* While tasklet has not disabled irq, irq will be retried all the time
-	 * because of ILEVEL matching GPIO pin status => deadlock.
-	 * To avoid this, we change ILEVEL to 0.
-	 */
-	struct cf_mips_dev *dev=dev_id;
-
-	rb500_gpio_set_int_level(0, dev->pin);
-	rb500_gpio_set_int_status(0, dev->pin);
-	
-	del_timer(&dev->to_timer);
-	tasklet_schedule(&dev->tasklet);
-	return IRQ_HANDLED;
-}
-
-static int do_reset(struct cf_mips_dev *dev)
-{
-	printk(KERN_INFO "cf-mips: resetting..\n");
-
-	wareg(ATA_REG_DC_SRST, ATA_REG_DC,dev);
-	udelay(1);		/* FIXME: how long should we wait here? */
-	wareg(0, ATA_REG_DC,dev);
-
-	return wait_not_busy(30 * SECS, 1,dev);
-}
-
-static int set_multiple(struct cf_mips_dev *dev)
-{
-	if (dev->block_size <= 1)
-		return CF_TRANS_OK;
-
-	wareg(dev->block_size, ATA_REG_SC,dev);
-	wareg(ATA_REG_DH_BASE | ATA_REG_DH_LBA, ATA_REG_DH,dev);
-	wareg(ATA_CMD_SET_MULTIPLE, ATA_REG_CMD,dev);
-
-	return wait_not_busy(10 * SECS, 1,dev);
-}
-
-static int set_cmd(struct cf_mips_dev *dev)
-{
-	//DEBUGP(KERN_INFO "cf-mips: ata cmd 0x%02x\n", dev->tcmd);
-	// sector_count should be <=24 bits..
-	BUG_ON(dev->tsect_start>=0x10000000);
-	// This way, it addresses 2^24 * 512 = 128G
-
-	if (dev->tsector_count) {
-		wareg(dev->tsector_count & 0xff, ATA_REG_SC,dev);
-		wareg(dev->tsect_start & 0xff, ATA_REG_SN,dev);
-		wareg((dev->tsect_start >> 8) & 0xff, ATA_REG_CL,dev);
-		wareg((dev->tsect_start >> 16) & 0xff, ATA_REG_CH,dev);
-	}
-	wareg(((dev->tsect_start >> 24) & 0x0f) | ATA_REG_DH_BASE | ATA_REG_DH_LBA,
-	      ATA_REG_DH,dev);	/* select drive on all commands */
-	wareg(dev->tcmd, ATA_REG_CMD,dev);
-	return wait_not_busy(10 * SECS, 1,dev);
-}
-
-static int do_trans(struct cf_mips_dev *dev)
-{
-	int res;
-	unsigned st;
-	int transfered;
-	
-	//printk("do_trans: %d sectors left\n",dev->tsectors_left);
-	while (dev->tsectors_left) {
-		transfered = 0;
-
-		st = rareg(ATA_REG_ST,dev);
-		if (!(st & ATA_REG_ST_DRQ)) {
-			printk(KERN_ERR "cf-mips: do_trans without DRQ (status 0x%x)!\n", st);
-			if (st & ATA_REG_ST_ERR) {
-				int errId = rareg(ATA_REG_ERR,dev);
-				printk(KERN_ERR "cf-mips: %s error, status 0x%x, errid 0x%x\n",
-				       (dev->tread ? "read" : "write"), st, errId);
-			}
-			return CF_TRANS_FAILED;
-		}
-		do { /* Fill/read the buffer one block */
-			u32 *qbuf, *qend;
-			qbuf = (u32 *)dev->tbuf;
-			qend = qbuf + CF_SECT_SIZE / sizeof(u32);
-			if (dev->tread) {
-			    while (qbuf!=qend)
-				put_unaligned(*DBUF32,qbuf++);
-				//*(qbuf++) = *DBUF32;
-			}
-			else {
-			    while(qbuf!=qend)
-				*DBUF32 = get_unaligned(qbuf++);
-			}
-
-			dev->tsectors_left--;
-			dev->tbuf += CF_SECT_SIZE;
-			dev->tbuf_size -= CF_SECT_SIZE;
-			transfered++;
-		} while (transfered != dev->block_size && dev->tsectors_left > 0);
-
-		res = wait_not_busy(10 * SECS, 1,dev);
-		if (res != CF_TRANS_OK)
-			return res;
-	};
-
-	st = rareg(ATA_REG_ST,dev);
-	if (st & (ATA_REG_ST_DRQ | ATA_REG_ST_DWF | ATA_REG_ST_ERR)) {
-		if (st & ATA_REG_ST_DRQ) {
-			printk(KERN_ERR "cf-mips: DRQ after all %d sectors are %s"
-			       ", status 0x%x\n", dev->tsector_count, (dev->tread ? "read" : "written"), st);
-		} else if (st & ATA_REG_ST_DWF) {
-			printk(KERN_ERR "cf-mips: write fault, status 0x%x\n", st);
-		} else {
-			int errId = rareg(ATA_REG_ERR,dev);
-			printk(KERN_ERR "cf-mips: %s error, status 0x%x, errid 0x%x\n",
-			       (dev->tread ? "read" : "write"), st, errId);
-		}
-		return CF_TRANS_FAILED;
-	}
-	return CF_TRANS_OK;
-}
-
-static int cf_do_state(struct cf_mips_dev *dev)
-{
-	int res;
-	switch (dev->tstate) {	/* fall through everywhere */
-	case TS_IDLE:
-		dev->tstate = TS_READY;
-		if (is_busy(dev)) {
-			dev->tstate = TS_AFTER_RESET;
-			res = do_reset(dev);
-			if (res != CF_TRANS_OK)
-				break;
-		}
-	case TS_AFTER_RESET:
-		if (dev->tstate == TS_AFTER_RESET) {
-			dev->tstate = TS_READY;
-			res = set_multiple(dev);
-			if (res != CF_TRANS_OK)
-				break;
-		}
-	case TS_READY:
-		dev->tstate = TS_CMD;
-		res = set_cmd(dev);
-		if (res != CF_TRANS_OK)
-			break;;
-	case TS_CMD:
-		dev->tstate = TS_TRANS;
-	case TS_TRANS:
-		res = do_trans(dev);
-		break;
-	default:
-		printk(KERN_ERR "cf-mips: BUG: unknown tstate %d\n", dev->tstate);
-		return CF_TRANS_FAILED;
-	}
-	if (res != CF_TRANS_IN_PROGRESS)
-		dev->tstate = TS_IDLE;
-	return res;
-}
-
-static void cf_do_tasklet(unsigned long dev_l)
-{
-	struct cf_mips_dev* dev=(struct cf_mips_dev*) dev_l;
-	int res;
-
-	disable_irq(dev->irq);
-
-	if (dev->tstate == TS_IDLE)
-		return;		/* can happen when irq is first registered */
-
-#if 0
-	DEBUGP(KERN_WARNING "cf-mips:   not busy ok (tasklet)  status 0x%02x\n",
-	       (unsigned) rareg(ATA_REG_ST,dev));
-#endif
-
-	res = cf_do_state(dev);
-	if (res == CF_TRANS_IN_PROGRESS)
-		return;
-	cf_async_trans_done(dev,res);
-}
-
-static void cf_async_timeout(unsigned long dev_l)
-{
-	struct cf_mips_dev* dev=(struct cf_mips_dev*) dev_l;
-	disable_irq(dev->irq);
-	/* Perhaps send abort to the device? */
-	printk(KERN_ERR "cf-mips:  wait not busy timeout (%lus)"
-	       ", status 0x%02x, state %d\n",
-	       jiffies - dev->irq_enable_time, (unsigned) rareg(ATA_REG_ST,dev), dev->tstate);
-	dev->tstate = TS_IDLE;
-	cf_async_trans_done(dev,CF_TRANS_FAILED);
-}
-
-int cf_do_transfer(struct cf_mips_dev* dev,sector_t sector, unsigned long nsect, 
-	char* buffer, int is_write)
-{
-	BUG_ON(dev->tstate!=TS_IDLE);
-	if (nsect > ATA_MAX_SECT_PER_CMD) {
-		printk(KERN_WARNING "cf-mips: sector count %lu out of range\n",nsect);
-		return CF_TRANS_FAILED;
-	}
-	if (sector + nsect > dev->sectors) {
-		printk(KERN_WARNING "cf-mips: sector %lu out of range\n",sector);
-		return CF_TRANS_FAILED;
-	}
-	dev->tbuf = buffer;
-	dev->tbuf_size = nsect*512;
-	dev->tsect_start = sector;
-	dev->tsector_count = nsect;
-	dev->tsectors_left = dev->tsector_count;
-	dev->tread = (is_write)?0:1;
-	
-	dev->tcmd = (dev->block_size == 1 ?
-		(is_write ? ATA_CMD_WRITE_SECTORS : ATA_CMD_READ_SECTORS) :
-		(is_write ? ATA_CMD_WRITE_MULTIPLE : ATA_CMD_READ_MULTIPLE));
-
-	return cf_do_state(dev);
-}
-
-static int do_identify(struct cf_mips_dev *dev)
-{
-	u16 sbuf[CF_SECT_SIZE >> 1];
- 	int res;
-	char tstr[17]; //serial
-	char tmp;
-	int i;
-	BUG_ON(dev->tstate!=TS_IDLE);
-	dev->tbuf = (char *) sbuf;
-	dev->tbuf_size = CF_SECT_SIZE;
-	dev->tsect_start = 0;
-	dev->tsector_count = 0;
-	dev->tsectors_left = 1;
-	dev->tread = 1;
-	dev->tcmd = ATA_CMD_IDENTIFY_DRIVE;
-
-	DEBUGP(KERN_INFO "cf-mips: identify drive..\n");
-	res = cf_do_state(dev);
-	if (res == CF_TRANS_IN_PROGRESS) {
-		printk(KERN_ERR "cf-mips: BUG: async identify cmd\n");
-		return CF_TRANS_FAILED;
-	}
-	if (res != CF_TRANS_OK)
-		return 0;
-
-	dev->head = sbuf[3];
-	dev->cyl = sbuf[1];
-	dev->spt = sbuf[6];
-	dev->sectors = ((unsigned long) sbuf[7] << 16) | sbuf[8];
-	dev->dtype=sbuf[0];
-	memcpy(tstr, &sbuf[12], 16);
-	tstr[16] = '\0';
-
-	/* Byte-swap the serial number */
-	for (i = 0; i<8; i++) {
-		tmp = tstr[i * 2];
-		tstr[i * 2] = tstr[i * 2 +1];
-		tstr[i * 2 + 1] = tmp;
-	}
-
-	printk(KERN_INFO "cf-mips: %s detected, C/H/S=%d/%d/%d sectors=%u (%uMB) Serial=%s\n",
-	       (sbuf[0] == 0x848A ? "CF card" : "ATA drive"), dev->cyl, dev->head,
-	       dev->spt, dev->sectors, dev->sectors >> 11, tstr);
-	return 1;
-}
-
-static void init_multiple(struct cf_mips_dev * dev)
-{
-	int res;
-	DEBUGP(KERN_INFO "cf-mips: detecting block size\n");
-
-	dev->block_size = 128;	/* max block size = 128 sectors (64KB) */
-	do {
-		wareg(dev->block_size, ATA_REG_SC,dev);
-		wareg(ATA_REG_DH_BASE | ATA_REG_DH_LBA, ATA_REG_DH,dev);
-		wareg(ATA_CMD_SET_MULTIPLE, ATA_REG_CMD,dev);
-
-		res = wait_not_busy(10 * SECS, 1,dev);
-		if (res != CF_TRANS_OK) {
-			printk(KERN_ERR "cf-mips: failed to detect block size: busy!\n");
-			dev->block_size = 1;
-			return;
-		}
-		if ((rareg(ATA_REG_ST,dev) & ATA_REG_ST_ERR) == 0)
-			break;
-		dev->block_size /= 2;
-	} while (dev->block_size > 1);
-
-	printk(KERN_INFO "cf-mips: multiple sectors = %d\n", dev->block_size);
-}
-
-int cf_init(struct cf_mips_dev *dev)
-{
-	tasklet_init(&dev->tasklet,cf_do_tasklet,(unsigned long)dev);
-	dev->baddr = ioremap_nocache((unsigned long)dev->base, CFDEV_BUF_SIZE);
-	if (!dev->baddr) {
-		printk(KERN_ERR "cf-mips: cf_init: ioremap for (%lx,%x) failed\n",
-		       (unsigned long) dev->base, CFDEV_BUF_SIZE);
-		return -EBUSY;
-	}
-
-	if (!cf_present(dev)) {
-		printk(KERN_WARNING "cf-mips: cf card not present\n");
-		iounmap(dev->baddr);
-		return -ENODEV;
-	}
-
-	if (do_reset(dev) != CF_TRANS_OK) {
-		printk(KERN_ERR "cf-mips: cf reset failed\n");
-		iounmap(dev->baddr);
-		return -EBUSY;
-	}
-
-	if (!do_identify(dev)) {
-		printk(KERN_ERR "cf-mips: cf identify failed\n");
-		iounmap(dev->baddr);
-		return -EBUSY;
-	}
-
-/*	set_apm_level(ATA_APM_WITH_STANDBY); */
-	init_multiple(dev);
-
-	init_timer(&dev->to_timer);
-	dev->to_timer.function = cf_async_timeout;
-	dev->to_timer.data = (unsigned long)dev;
-
-	prepare_cf_irq(dev);
-	if (request_irq(dev->irq, cf_irq_handler, 0, "CF Mips", dev)) {
-		printk(KERN_ERR "cf-mips: failed to get irq\n");
-		iounmap(dev->baddr);
-		return -EBUSY;
-	}
-	/* Disable below would be odd, because request will enable, and the tasklet
-	  will disable it itself */
-	//disable_irq(dev->irq);
-	
-	dev->async_mode = 1;
-
-	return 0;
-}
-
-void cf_cleanup(struct cf_mips_dev *dev)
-{
-	iounmap(dev->baddr);
-	free_irq(dev->irq, NULL);
-#if REQUEST_MEM_REGION
-	release_mem_region((unsigned long)dev->base, CFDEV_BUF_SIZE);
-#endif
-}
-
-
-/*eof*/