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Commit 1b27777a authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

[TG3]: Add 5787 nvram support 



Support additional nvrams and new nvram format for 5787 and 5754.

Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d9ab5ad1

drivers/net/tg3.c

+123 −20
Original line number Diff line number Diff line
@@ -7816,29 +7816,53 @@ static void tg3_get_ethtool_stats (struct net_device *dev, 
}



#define NVRAM_TEST_SIZE 0x100

#define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14



static int tg3_test_nvram(struct tg3 *tp)

{

	u32 *buf, csum;

	int i, j, err = 0;

	u32 *buf, csum, magic;

	int i, j, err = 0, size;



	buf = kmalloc(NVRAM_TEST_SIZE, GFP_KERNEL);

	if (tg3_nvram_read(tp, 0, &magic) != 0)

		return -EIO;



	magic = swab32(magic);

	if (magic == TG3_EEPROM_MAGIC)

		size = NVRAM_TEST_SIZE;

	else if ((magic & 0xff000000) == 0xa5000000) {

		if ((magic & 0xe00000) == 0x200000)

			size = NVRAM_SELFBOOT_FORMAT1_SIZE;

		else

			return 0;

	} else

		return -EIO;



	buf = kmalloc(size, GFP_KERNEL);

	if (buf == NULL)

		return -ENOMEM;



	for (i = 0, j = 0; i < NVRAM_TEST_SIZE; i += 4, j++) {

	err = -EIO;

	for (i = 0, j = 0; i < size; i += 4, j++) {

		u32 val;



		if ((err = tg3_nvram_read(tp, i, &val)) != 0)

			break;

		buf[j] = cpu_to_le32(val);

	}

	if (i < NVRAM_TEST_SIZE)

	if (i < size)

		goto out;



	err = -EIO;

	if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC)

		goto out;

	/* Selfboot format */

	if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC) {

		u8 *buf8 = (u8 *) buf, csum8 = 0;



		for (i = 0; i < size; i++)

			csum8 += buf8[i];



		if (csum8 == 0)

			return 0;

		return -EIO;

	}



	/* Bootstrap checksum at offset 0x10 */

	csum = calc_crc((unsigned char *) buf, 0x10);
@@ -8561,14 +8585,15 @@ static struct ethtool_ops tg3_ethtool_ops = { 


static void __devinit tg3_get_eeprom_size(struct tg3 *tp)

{

	u32 cursize, val;

	u32 cursize, val, magic;



	tp->nvram_size = EEPROM_CHIP_SIZE;



	if (tg3_nvram_read(tp, 0, &val) != 0)

		return;



	if (swab32(val) != TG3_EEPROM_MAGIC)

	magic = swab32(val);

	if ((magic != TG3_EEPROM_MAGIC) && ((magic & 0xff000000) != 0xa5000000))

		return;



	/*
@@ -8576,13 +8601,13 @@ static void __devinit tg3_get_eeprom_size(struct tg3 *tp) 
	 * When we encounter our validation signature, we know the addressing

	 * has wrapped around, and thus have our chip size.

	 */

	cursize = 0x800;

	cursize = 0x10;



	while (cursize < tp->nvram_size) {

		if (tg3_nvram_read(tp, cursize, &val) != 0)

			return;



		if (swab32(val) == TG3_EEPROM_MAGIC)

		if (swab32(val) == magic)

			break;



		cursize <<= 1;
@@ -8595,6 +8620,15 @@ static void __devinit tg3_get_nvram_size(struct tg3 *tp) 
{

	u32 val;



	if (tg3_nvram_read(tp, 0, &val) != 0)

		return;



	/* Selfboot format */

	if (swab32(val) != TG3_EEPROM_MAGIC) {

		tg3_get_eeprom_size(tp);

		return;

	}



	if (tg3_nvram_read(tp, 0xf0, &val) == 0) {

		if (val != 0) {

			tp->nvram_size = (val >> 16) * 1024;
@@ -8718,6 +8752,44 @@ static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp) 
	}

}



static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)

{

	u32 nvcfg1;



	nvcfg1 = tr32(NVRAM_CFG1);



	switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {

		case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:

		case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:

		case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:

		case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:

			tp->nvram_jedecnum = JEDEC_ATMEL;

			tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;

			tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;



			nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;

			tw32(NVRAM_CFG1, nvcfg1);

			break;

		case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:

		case FLASH_5755VENDOR_ATMEL_FLASH_1:

		case FLASH_5755VENDOR_ATMEL_FLASH_2:

		case FLASH_5755VENDOR_ATMEL_FLASH_3:

			tp->nvram_jedecnum = JEDEC_ATMEL;

			tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;

			tp->tg3_flags2 |= TG3_FLG2_FLASH;

			tp->nvram_pagesize = 264;

			break;

		case FLASH_5752VENDOR_ST_M45PE10:

		case FLASH_5752VENDOR_ST_M45PE20:

		case FLASH_5752VENDOR_ST_M45PE40:

			tp->nvram_jedecnum = JEDEC_ST;

			tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;

			tp->tg3_flags2 |= TG3_FLG2_FLASH;

			tp->nvram_pagesize = 256;

			break;

	}

}



/* Chips other than 5700/5701 use the NVRAM for fetching info. */

static void __devinit tg3_nvram_init(struct tg3 *tp)

{
@@ -8753,6 +8825,8 @@ static void __devinit tg3_nvram_init(struct tg3 *tp) 


		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)

			tg3_get_5752_nvram_info(tp);

		else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)

			tg3_get_5787_nvram_info(tp);

		else

			tg3_get_nvram_info(tp);
@@ -9041,6 +9115,7 @@ static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len, 
			nvram_cmd |= NVRAM_CMD_LAST;



		if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&

		    (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&

		    (tp->nvram_jedecnum == JEDEC_ST) &&

		    (nvram_cmd & NVRAM_CMD_FIRST)) {
@@ -9444,6 +9519,7 @@ static void __devinit tg3_read_partno(struct tg3 *tp) 
{

	unsigned char vpd_data[256];

	int i;

	u32 magic;



	if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {

		/* Sun decided not to put the necessary bits in the
@@ -9453,6 +9529,10 @@ static void __devinit tg3_read_partno(struct tg3 *tp) 
		return;

	}



	if (tg3_nvram_read(tp, 0x0, &magic))

		return;



	if (swab32(magic) == TG3_EEPROM_MAGIC) {

		for (i = 0; i < 256; i += 4) {

			u32 tmp;
@@ -9464,6 +9544,29 @@ static void __devinit tg3_read_partno(struct tg3 *tp) 
			vpd_data[i + 2] = ((tmp >> 16) & 0xff);

			vpd_data[i + 3] = ((tmp >> 24) & 0xff);

		}

	} else {

		int vpd_cap;



		vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);

		for (i = 0; i < 256; i += 4) {

			u32 tmp, j = 0;

			u16 tmp16;



			pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,

					      i);

			while (j++ < 100) {

				pci_read_config_word(tp->pdev, vpd_cap +

						     PCI_VPD_ADDR, &tmp16);

				if (tmp16 & 0x8000)

					break;

				msleep(1);

			}

			pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,

					      &tmp);

			tmp = cpu_to_le32(tmp);

			memcpy(&vpd_data[i], &tmp, 4);

		}

	}



	/* Now parse and find the part number. */

	for (i = 0; i < 256; ) {

drivers/net/tg3.h

+7 −0
Original line number Diff line number Diff line
@@ -1438,6 +1438,13 @@ 
#define  FLASH_5752VENDOR_ST_M45PE10	 0x02400000

#define  FLASH_5752VENDOR_ST_M45PE20	 0x02400002

#define  FLASH_5752VENDOR_ST_M45PE40	 0x02400001

#define  FLASH_5755VENDOR_ATMEL_FLASH_1	 0x03400001

#define  FLASH_5755VENDOR_ATMEL_FLASH_2	 0x03400002

#define  FLASH_5755VENDOR_ATMEL_FLASH_3	 0x03400000

#define  FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ	 0x03000003

#define  FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ	 0x03000002

#define  FLASH_5787VENDOR_MICRO_EEPROM_64KHZ	 0x03000000

#define  FLASH_5787VENDOR_MICRO_EEPROM_376KHZ	 0x02000000

#define  NVRAM_CFG1_5752PAGE_SIZE_MASK	 0x70000000

#define  FLASH_5752PAGE_SIZE_256	 0x00000000

#define  FLASH_5752PAGE_SIZE_512	 0x10000000