[TG3]: add basic bcm5752 support

Add ASIC_REV_5752 definition.

Track-down all references to ASIC_REV_5750 and mirror them with
references to the newly defined ASIC_REV_5752.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 12de808..34301ef 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -86,7 +86,8 @@
 #define TG3_MIN_MTU			60
 #define TG3_MAX_MTU(tp)	\
 	((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 && \
-	  GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750) ? 9000 : 1500)
+	  GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 && \
+	  GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) ? 9000 : 1500)
 
 /* These numbers seem to be hard coded in the NIC firmware somehow.
  * You can't change the ring sizes, but you can change where you place
@@ -861,7 +862,8 @@
 		/* Cannot do read-modify-write on 5401 */
 		tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
 	} else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
-		   GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750) {
+		   GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
+		   GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) {
 		u32 phy_reg;
 
 		/* Set bit 14 with read-modify-write to preserve other bits */
@@ -874,7 +876,8 @@
 	 * jumbo frames transmission.
 	 */
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
-	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750) {
+	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
+	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) {
 		u32 phy_reg;
 
 		if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
@@ -1068,7 +1071,8 @@
 			mac_mode = MAC_MODE_PORT_MODE_TBI;
 		}
 
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750)
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
+		    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752)
 			tw32(MAC_LED_CTRL, tp->led_ctrl);
 
 		if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
@@ -3967,7 +3971,8 @@
 		tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
 		if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
 			tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
-			if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
+			if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+			    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
 				tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
 		}
 	}
@@ -5041,7 +5046,8 @@
 	tw32(GRC_MISC_CFG, val);
 
 	/* Initialize MBUF/DESC pool. */
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) {
 		/* Do nothing.  */
 	} else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
 		tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
@@ -5240,7 +5246,8 @@
 		rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
 	if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
 	     tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
-	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
+	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+	     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)) {
 		if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
 		    (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
 		     tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
@@ -5355,7 +5362,8 @@
 
 	if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
 	     tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
-	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+	     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)) {
 		if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
 		    (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
 		     tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
@@ -7028,7 +7036,8 @@
 		tw32(NVRAM_CFG1, nvcfg1);
 	}
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) {
 		switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
 			case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
 				tp->nvram_jedecnum = JEDEC_ATMEL;
@@ -7093,7 +7102,8 @@
 	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
 		tp->tg3_flags |= TG3_FLAG_NVRAM;
 
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) {
 			u32 nvaccess = tr32(NVRAM_ACCESS);
 
 			tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
@@ -7102,7 +7112,8 @@
 		tg3_get_nvram_info(tp);
 		tg3_get_nvram_size(tp);
 
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) {
 			u32 nvaccess = tr32(NVRAM_ACCESS);
 
 			tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
@@ -7195,7 +7206,8 @@
 
 	tg3_nvram_lock(tp);
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) {
 		u32 nvaccess = tr32(NVRAM_ACCESS);
 
 		tw32_f(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
@@ -7210,7 +7222,8 @@
 
 	tg3_nvram_unlock(tp);
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) {
 		u32 nvaccess = tr32(NVRAM_ACCESS);
 
 		tw32_f(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
@@ -7438,7 +7451,8 @@
 
 		tg3_nvram_lock(tp);
 
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) {
 			u32 nvaccess = tr32(NVRAM_ACCESS);
 
 			tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
@@ -7463,7 +7477,8 @@
 		grc_mode = tr32(GRC_MODE);
 		tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
 
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) {
 			u32 nvaccess = tr32(NVRAM_ACCESS);
 
 			tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
@@ -7581,7 +7596,8 @@
 		} else
 			eeprom_phy_id = 0;
 
-		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) {
 			led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
 				    SHASTA_EXT_LED_MODE_MASK);
 		} else
@@ -7634,7 +7650,8 @@
 
 		if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
 			tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
-			if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
+			if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+			    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
 				tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
 		}
 		if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
@@ -7932,10 +7949,12 @@
 	tp->pci_bist         = (cacheline_sz_reg >> 24) & 0xff;
 
 	if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
-	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750))
+	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
+	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752))
 		tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
+	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
 		tp->tg3_flags2 |= TG3_FLG2_HW_TSO;
 
 	if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
@@ -8066,7 +8085,8 @@
 		tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
 
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
-	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
 		tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
 
 	/* Only 5701 and later support tagged irq status mode.
@@ -8462,7 +8482,8 @@
 		tp->dma_rwctrl |= 0x00180000;
 	} else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
 		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
-		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
+		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
 			tp->dma_rwctrl |= 0x003f0000;
 		else
 			tp->dma_rwctrl |= 0x003f000f;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index d48887d..820df83 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -132,6 +132,7 @@
 #define   ASIC_REV_5704			 0x02
 #define   ASIC_REV_5705			 0x03
 #define   ASIC_REV_5750			 0x04
+#define   ASIC_REV_5752			 0x05
 #define  GET_CHIP_REV(CHIP_REV_ID)	((CHIP_REV_ID) >> 8)
 #define   CHIPREV_5700_AX		 0x70
 #define   CHIPREV_5700_BX		 0x71