1 files changed, 0 insertions, 676 deletions

diff --git a/package/broadcom-mmc/src/mmc.c b/package/broadcom-mmc/src/mmc.c
deleted file mode 100644
index 64cb8d97b9..0000000000
--- a/package/broadcom-mmc/src/mmc.c
+++ /dev/null
@@ -1,676 +0,0 @@
-#include <linux/delay.h>
-#include <linux/timer.h>
-
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/blkpg.h>
-#include <linux/hdreg.h>
-#include <linux/major.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-
-#define DEVICE_NAME "mmc"
-#define DEVICE_NR(device) (MINOR(device))
-#define DEVICE_ON(device)
-#define DEVICE_OFF(device)
-#define MAJOR_NR 121
-
-#include <linux/blk.h>
-
-MODULE_AUTHOR("Madsuk/Rohde");
-MODULE_DESCRIPTION("Driver MMC/SD-Cards");
-MODULE_SUPPORTED_DEVICE("WRT54G");
-MODULE_LICENSE("GPL");
-
-#define SD_DI 0x20
-#define SD_DO 0x10
-#define SD_CLK 0x08
-#define SD_CS 0x80
-
-/* we have only one device */
-static int hd_sizes[1<<6];
-static int hd_blocksizes[1<<6];
-static int hd_hardsectsizes[1<<6];
-static int hd_maxsect[1<<6];
-static struct hd_struct hd[1<<6];
-
-static struct timer_list mmc_timer;
-static int mmc_media_detect = 0;
-static int mmc_media_changed = 1;
-
-typedef unsigned int uint32;
-
-static unsigned char port_state = 0x00;
-static volatile uint32 *gpioaddr_input = (uint32 *)0xb8000060;
-static volatile uint32 *gpioaddr_output = (uint32 *)0xb8000064;
-static volatile uint32 *gpioaddr_enable = (uint32 *)0xb8000068;
-static volatile uint32 *gpioaddr_control = (uint32 *)0xb800006c;
-
-static void mmc_spi_cs_low(void)
-{
-  port_state &= ~(SD_CS);
-  *gpioaddr_output = port_state;
-}
-
-static void mmc_spi_cs_high(void)
-{
-  port_state |= SD_CS;
-  *gpioaddr_output = port_state;
-}
-
-static unsigned char mmc_spi_io(unsigned char data_out)
-{
-  int i;
-  unsigned char result = 0, tmp_data = 0;
-  
-  for(i=0; i<8; i++) {
-    if(data_out & (0x01 << (7-i)))
-      port_state |= SD_DI;
-    else
-      port_state &= ~SD_DI;
-    
-    *gpioaddr_output = port_state;
-    port_state |= SD_CLK;
-    *gpioaddr_output = port_state;
-    
-    tmp_data = *gpioaddr_input;
-    
-    port_state &= ~SD_CLK;
-    *gpioaddr_output = port_state;
-    
-    result <<= 1;
-    
-    if(tmp_data & SD_DO)
-      result |= 1;
-  }
-  
-  return(result);
-}
-
-static int mmc_write_block(unsigned int dest_addr, unsigned char *data)
-{
-	unsigned int address;
-	unsigned char r = 0;
-	unsigned char ab0, ab1, ab2, ab3;
-	int i;
-
-	address = dest_addr;
-
-	ab3 = 0xff & (address >> 24);
-	ab2 = 0xff & (address >> 16);
-	ab1 = 0xff & (address >> 8);
-	ab0 = 0xff & address;
-	mmc_spi_cs_low();
-	for (i = 0; i < 4; i++) mmc_spi_io(0xff);
-	mmc_spi_io(0x58);
-	mmc_spi_io(ab3); /* msb */
-	mmc_spi_io(ab2);
-	mmc_spi_io(ab1);
-	mmc_spi_io(ab0); /* lsb */
-	mmc_spi_io(0xff);
-	for (i = 0; i < 8; i++)
-	{
-		r = mmc_spi_io(0xff);
-		if (r == 0x00) break;
-	}
-	if (r != 0x00)
-	{
-		mmc_spi_cs_high();
-		mmc_spi_io(0xff);
-		return(1);
-	}
-
-	mmc_spi_io(0xfe);
-	for (i = 0; i < 512; i++) mmc_spi_io(data[i]);
-	for (i = 0; i < 2; i++) mmc_spi_io(0xff);
-
-	for (i = 0; i < 1000000; i++)
-	{
-		r = mmc_spi_io(0xff);
-		if (r == 0xff) break;
-	}
-	if (r != 0xff)
-	{
-		mmc_spi_cs_high();
-		mmc_spi_io(0xff);
-		return(3);
-	}
-	mmc_spi_cs_high();
-	mmc_spi_io(0xff);
-	return(0);
-}
-
-static int mmc_read_block(unsigned char *data, unsigned int src_addr)
-{
-	unsigned int address;
-	unsigned char r = 0;
-	unsigned char ab0, ab1, ab2, ab3;
-	int i;
-
-	address = src_addr;
-
-	ab3 = 0xff & (address >> 24);
-	ab2 = 0xff & (address >> 16);
-	ab1 = 0xff & (address >> 8);
-	ab0 = 0xff & address;
-
-	mmc_spi_cs_low();
-	for (i = 0; i < 4; i++) mmc_spi_io(0xff);
-	mmc_spi_io(0x51);
-	mmc_spi_io(ab3); /* msb */
-	mmc_spi_io(ab2);
-	mmc_spi_io(ab1);
-	mmc_spi_io(ab0); /* lsb */
-
-	mmc_spi_io(0xff);
-	for (i = 0; i < 8; i++)
-	{
-		r = mmc_spi_io(0xff);
-		if (r == 0x00) break;
-	}
-	if (r != 0x00)
-	{
-		mmc_spi_cs_high();
-		mmc_spi_io(0xff);
-		return(1);
-	}
-	for (i = 0; i < 100000; i++)
-	{
-		r = mmc_spi_io(0xff);
-		if (r == 0xfe) break;
-	}
-	if (r != 0xfe)
-	{
-		mmc_spi_cs_high();
-		mmc_spi_io(0xff);
-		return(2);
-	}
-	for (i = 0; i < 512; i++)
-	{
-		r = mmc_spi_io(0xff);
-		data[i] = r;
-	}
-	for (i = 0; i < 2; i++)
-	{
-		r = mmc_spi_io(0xff);
-	}
-	mmc_spi_cs_high();
-	mmc_spi_io(0xff);
-
-	return(0);
-}
-
-static void mmc_request(request_queue_t *q)
-{
-	unsigned int mmc_address;
-	unsigned char *buffer_address;
-	int nr_sectors;
-	int i;
-	int cmd;
-	int rc, code;
-	
-	(void)q;
-	while (1)
-	{
-		code = 1; // Default is success
-		INIT_REQUEST;
-		mmc_address = (CURRENT->sector + hd[MINOR(CURRENT->rq_dev)].start_sect) * hd_hardsectsizes[0];
-		buffer_address = CURRENT->buffer;
-		nr_sectors = CURRENT->current_nr_sectors;
-		cmd = CURRENT->cmd;
-		if (((CURRENT->sector + CURRENT->current_nr_sectors + hd[MINOR(CURRENT->rq_dev)].start_sect) > hd[0].nr_sects) || (mmc_media_detect == 0))
-		{
-			code = 0;
-		}
-		else if (cmd == READ)
-		{
-			spin_unlock_irq(&io_request_lock);
-			for (i = 0; i < nr_sectors; i++)
-			{
-				rc = mmc_read_block(buffer_address, mmc_address);
-				if (rc != 0)
-				{
-					printk("mmc: error in mmc_read_block (%d)\n", rc);
-					code = 0;
-					break;
-				}
-				else
-				{
-					mmc_address += hd_hardsectsizes[0];
-					buffer_address += hd_hardsectsizes[0];
-				}
-			}
-			spin_lock_irq(&io_request_lock);
-		}
-		else if (cmd == WRITE)
-		{
-			spin_unlock_irq(&io_request_lock);
-			for (i = 0; i < nr_sectors; i++)
-			{
-				rc = mmc_write_block(mmc_address, buffer_address);
-				if (rc != 0)
-				{
-					printk("mmc: error in mmc_write_block (%d)\n", rc);
-					code = 0;
-					break;
-				}
-				else
-				{
-					mmc_address += hd_hardsectsizes[0];
-					buffer_address += hd_hardsectsizes[0];
-				}
-			}
-			spin_lock_irq(&io_request_lock);
-		}
-		else
-		{
-			code = 0;
-		}
-		end_request(code);
-	}
-}
-
-
-static int mmc_open(struct inode *inode, struct file *filp)
-{
-	int device;
-	(void)filp;
-	
-	if (mmc_media_detect == 0) return -ENODEV;
-
-#if defined(MODULE)
-	MOD_INC_USE_COUNT;
-#endif
-	return 0;
-}
-
-static int mmc_release(struct inode *inode, struct file *filp)
-{
-	(void)filp;
-	fsync_dev(inode->i_rdev);
-        invalidate_buffers(inode->i_rdev);
-
-#if defined(MODULE)
-	MOD_DEC_USE_COUNT;
-#endif
-	return 0;
-}
-
-extern struct gendisk hd_gendisk;
-static int mmc_revalidate(kdev_t dev)
-{
-	int target, max_p, start, i;
-	if (mmc_media_detect == 0) return -ENODEV;
-	
-	target = DEVICE_NR(dev);
-
-	max_p = hd_gendisk.max_p;
-	start = target << 6;
-	for (i = max_p - 1; i >= 0; i--) {
-		int minor = start + i;
-		invalidate_device(MKDEV(MAJOR_NR, minor), 1);
-		hd_gendisk.part[minor].start_sect = 0;
-		hd_gendisk.part[minor].nr_sects = 0;
-	}
-	
-	grok_partitions(&hd_gendisk, target, 1 << 6,
-			hd_sizes[0] * 2);
-
-	return 0;
-}
-
-static int mmc_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
-{
-	if (!inode || !inode->i_rdev)
-		return -EINVAL;
-
-	switch(cmd) {
-	case BLKGETSIZE:
-		return put_user(hd[MINOR(inode->i_rdev)].nr_sects, (unsigned long *)arg);
-	case BLKGETSIZE64:
-		return put_user((u64)hd[MINOR(inode->i_rdev)].
-				nr_sects, (u64 *) arg);
-	case BLKRRPART:
-		if (!capable(CAP_SYS_ADMIN))
-			return -EACCES;
-			
-		return mmc_revalidate(inode->i_rdev);
-	case HDIO_GETGEO:
-	{
-		struct hd_geometry *loc, g;
-		loc = (struct hd_geometry *) arg;
-		if (!loc)
-			return -EINVAL;
-		g.heads = 4;
-		g.sectors = 16;
-		g.cylinders = hd[0].nr_sects / (4 * 16);
-		g.start = hd[MINOR(inode->i_rdev)].start_sect;
-		return copy_to_user(loc, &g, sizeof(g)) ? -EFAULT : 0;
-	}
-	default:
-		return blk_ioctl(inode->i_rdev, cmd, arg);
-	}
-}
-
-static int mmc_card_init(void)
-{
-	unsigned char r = 0;
-	short i, j;
-	unsigned long flags;
-
-	save_flags(flags);
-	cli();
-
-        printk("mmc Card init\n");
-	mmc_spi_cs_high();
-	for (i = 0; i < 20; i++) mmc_spi_io(0xff);
-
-	mmc_spi_cs_low();
-
-	mmc_spi_io(0x40);
-	for (i = 0; i < 4; i++) mmc_spi_io(0x00);
-	mmc_spi_io(0x95);
-	for (i = 0; i < 8; i++)
-	{
-		r = mmc_spi_io(0xff);
-		if (r == 0x01) break;
-	}
-	mmc_spi_cs_high();
-	mmc_spi_io(0xff);
-	if (r != 0x01)
-	{
-		restore_flags(flags);
-		return(1);
-	}
-
-        printk("mmc Card init *1*\n");
-	for (j = 0; j < 10000; j++)
-	{
-		mmc_spi_cs_low();
-
-		mmc_spi_io(0x41);
-		for (i = 0; i < 4; i++) mmc_spi_io(0x00);
-		mmc_spi_io(0xff);
-		for (i = 0; i < 8; i++)
-		{
-			r = mmc_spi_io(0xff);
-			if (r == 0x00) break;
-		}
-		mmc_spi_cs_high();
-		mmc_spi_io(0xff);
-		if (r == 0x00)
-		{
-			restore_flags(flags);
-			printk("mmc Card init *2*\n");
-			return(0);
-		}
-	}
-	restore_flags(flags);
-
-	return(2);
-}
-
-static int mmc_card_config(void)
-{
-	unsigned char r = 0;
-	short i;
-	unsigned char csd[32];
-	unsigned int c_size;
-	unsigned int c_size_mult;
-	unsigned int mult;
-	unsigned int read_bl_len;
-	unsigned int blocknr = 0;
-	unsigned int block_len = 0;
-	unsigned int size = 0;
-
-	mmc_spi_cs_low();
-	for (i = 0; i < 4; i++) mmc_spi_io(0xff);
-	mmc_spi_io(0x49);
-	for (i = 0; i < 4; i++) mmc_spi_io(0x00);
-	mmc_spi_io(0xff);
-	for (i = 0; i < 8; i++)
-	{
-		r = mmc_spi_io(0xff);
-		if (r == 0x00) break;
-	}
-	if (r != 0x00)
-	{
-		mmc_spi_cs_high();
-		mmc_spi_io(0xff);
-		return(1);
-	}
-	for (i = 0; i < 8; i++)
-	{
-		r = mmc_spi_io(0xff);
-		if (r == 0xfe) break;
-	}
-	if (r != 0xfe)
-	{
-		mmc_spi_cs_high();
-		mmc_spi_io(0xff);
-		return(2);
-	}
-	for (i = 0; i < 16; i++)
-	{
-		r = mmc_spi_io(0xff);
-		csd[i] = r;
-	}
-	for (i = 0; i < 2; i++)
-	{
-		r = mmc_spi_io(0xff);
-	}
-	mmc_spi_cs_high();
-	mmc_spi_io(0xff);
-	if (r == 0x00) return(3);
-
-	c_size = csd[8] + csd[7] * 256 + (csd[6] & 0x03) * 256 * 256;
-	c_size >>= 6;
-	c_size_mult = csd[10] + (csd[9] & 0x03) * 256;
-	c_size_mult >>= 7;
-	read_bl_len = csd[5] & 0x0f;
-	mult = 1;
-	mult <<= c_size_mult + 2;
-	blocknr = (c_size + 1) * mult;
-	block_len = 1;
-	block_len <<= read_bl_len;
-	size = block_len * blocknr;
-	size >>= 10;
-
-	for(i=0; i<(1<<6); i++) {
-	  hd_blocksizes[i] = 1024;
-	  hd_hardsectsizes[i] = block_len;
-	  hd_maxsect[i] = 256;
-	}
-	hd_sizes[0] = size;
-	hd[0].nr_sects = blocknr;
-
-
-	printk("Size = %d, hardsectsize = %d, sectors = %d\n",
-	       size, block_len, blocknr);
-
-	return 0;
-}
-
-static int mmc_hardware_init(void)
-{
-  unsigned char gpio_outen;
-  
-  // Set inputs/outputs here
-  printk("mmc Hardware init\n");
-  gpio_outen = *gpioaddr_enable;
-  
-  gpio_outen = (gpio_outen | SD_DI | SD_CLK | SD_CS) & ~SD_DO;
-  *gpioaddr_enable = gpio_outen;
-  
-  port_state = *gpioaddr_input;
-  
-  // Clock low
-  port_state &= ~(SD_CLK | SD_DI | SD_CS);
-  *gpioaddr_output = port_state;
-
-  return 0;
-}
-
-static int mmc_check_media_change(kdev_t dev)
-{
-	(void)dev;
-	if (mmc_media_changed == 1)
-	{
-		mmc_media_changed = 0;
-		return 1;
-	}
-	else return 0;
-}
-
-static struct block_device_operations mmc_bdops = 
-{
-	open: mmc_open,
-	release: mmc_release,
-	ioctl: mmc_ioctl,
-#if 0
-	check_media_change: mmc_check_media_change,
-	revalidate: mmc_revalidate,
-#endif
-};
-
-static struct gendisk hd_gendisk = {
-	major:		MAJOR_NR,
-	major_name:	DEVICE_NAME,
-	minor_shift:	6,
-	max_p:		1 << 6,
-	part:		hd,
-	sizes:		hd_sizes,
-	fops:		&mmc_bdops,
-};
-
-static int mmc_init(void)
-{
-	int rc;
-
-	rc = mmc_hardware_init(); 
-
-	if ( rc != 0)
-	{
-		printk("mmc: error in mmc_hardware_init (%d)\n", rc);
-		return -1;
-	}
-
-	rc = mmc_card_init(); 
-	if ( rc != 0)
-	{
-		// Give it an extra shot
-		rc = mmc_card_init(); 
-		if ( rc != 0)
-		{
-			printk("mmc: error in mmc_card_init (%d)\n", rc);
-			return -1;
-		}
-	}
-
-	memset(hd_sizes, 0, sizeof(hd_sizes));
-	rc = mmc_card_config(); 
-	if ( rc != 0)
-	{
-		printk("mmc: error in mmc_card_config (%d)\n", rc);
-		return -1;
-	}
-	
-
-	blk_size[MAJOR_NR] = hd_sizes;
-
-	memset(hd, 0, sizeof(hd));
-	hd[0].nr_sects = hd_sizes[0]*2;
-
-	blksize_size[MAJOR_NR] = hd_blocksizes;
-	hardsect_size[MAJOR_NR] = hd_hardsectsizes;
-	max_sectors[MAJOR_NR] = hd_maxsect;
-
-	hd_gendisk.nr_real = 1;
-
-	register_disk(&hd_gendisk, MKDEV(MAJOR_NR,0), 1<<6,
-		      &mmc_bdops, hd_sizes[0]*2);
-
-	return 0;
-}
-
-static void mmc_exit(void)
-{
-	blk_size[MAJOR_NR] = NULL;
-	blksize_size[MAJOR_NR] = NULL;
-	hardsect_size[MAJOR_NR] = NULL;
-	max_sectors[MAJOR_NR] = NULL;
-	hd[0].nr_sects = 0;
-}
-
-static void mmc_check_media(void)
-{
-	int old_state;
-	int rc;
-	
-	old_state = mmc_media_detect; 
-
-	// TODO: Add card detection here
-	mmc_media_detect = 1;
-	if (old_state != mmc_media_detect) 
-	{
-		mmc_media_changed = 1;
-		if (mmc_media_detect == 1)
-		{
-			rc = mmc_init();
-			if (rc != 0) printk("mmc: error in mmc_init (%d)\n", rc);
-		}
-		else 
-		{
-			mmc_exit();
-		}
-	}
-
-	/* del_timer(&mmc_timer);
-	mmc_timer.expires = jiffies + 10*HZ;
-	add_timer(&mmc_timer); */
-}
-
-static int __init mmc_driver_init(void)
-{
-	int rc;
-
-	rc = devfs_register_blkdev(MAJOR_NR, DEVICE_NAME, &mmc_bdops);
-	if (rc < 0)
-	{
-		printk(KERN_WARNING "mmc: can't get major %d\n", MAJOR_NR);
-		return rc;
-	}
-
-	blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), mmc_request);
-
-	read_ahead[MAJOR_NR] = 8;
-	add_gendisk(&hd_gendisk);
-
-	mmc_check_media();
-
-	/*init_timer(&mmc_timer);
-	mmc_timer.expires = jiffies + HZ;
-	mmc_timer.function = (void *)mmc_check_media;
-	add_timer(&mmc_timer);*/
-
-	return 0;
-}
-
-static void __exit mmc_driver_exit(void)
-{
-	int i;
-	del_timer(&mmc_timer);
-
-	for (i = 0; i < (1 << 6); i++)
-		fsync_dev(MKDEV(MAJOR_NR, i));
-
-	blk_cleanup_queue(BLK_DEFAULT_QUEUE(MAJOR_NR));
-	del_gendisk(&hd_gendisk);
-	devfs_unregister_blkdev(MAJOR_NR, DEVICE_NAME);
-	mmc_exit();
-}
-
-module_init(mmc_driver_init);
-module_exit(mmc_driver_exit);