[TG3]: add 5780 basic support

Add 5780 PCI IDs, chip IDs, and other basic support.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 51 insertions, 5 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 54640686e983..b01f6a07e5e7 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -221,6 +221,10 @@ static struct pci_device_id tg3_pci_tbl[] = {
           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F,
           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+        { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780,
+          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+        { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S,
+          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
         { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781,
           PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
         { PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX,
@@ -508,6 +512,9 @@ static void tg3_switch_clocks(struct tg3 *tp)
         u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
         u32 orig_clock_ctrl;
 
+        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+                return;
+
         orig_clock_ctrl = clock_ctrl;
         clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
                        CLOCK_CTRL_CLKRUN_OENABLE |
@@ -1145,6 +1152,8 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
                      CLOCK_CTRL_ALTCLK |
                      CLOCK_CTRL_PWRDOWN_PLL133);
                 udelay(40);
+        } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+                /* do nothing */
         } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
                      (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
                 u32 newbits1, newbits2;
@@ -4056,7 +4065,30 @@ static int tg3_chip_reset(struct tg3 *tp)
         val &= ~PCIX_CAPS_RELAXED_ORDERING;
         pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
 
-        tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
+        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+                u32 val;
+
+                /* Chip reset on 5780 will reset MSI enable bit,
+                 * so need to restore it.
+                 */
+                if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+                        u16 ctrl;
+
+                        pci_read_config_word(tp->pdev,
+                                             tp->msi_cap + PCI_MSI_FLAGS,
+                                             &ctrl);
+                        pci_write_config_word(tp->pdev,
+                                              tp->msi_cap + PCI_MSI_FLAGS,
+                                              ctrl | PCI_MSI_FLAGS_ENABLE);
+                        val = tr32(MSGINT_MODE);
+                        tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
+                }
+
+                val = tr32(MEMARB_MODE);
+                tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
+
+        } else
+                tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
 
         if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
                 tg3_stop_fw(tp);
@@ -5683,7 +5715,8 @@ static int tg3_reset_hw(struct tg3 *tp)
         tw32(MAC_RCV_RULE_1,  0x86000004 & RCV_RULE_DISABLE_MASK);
         tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
 
-        if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
+        if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
+            (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780))
                 limit = 8;
         else
                 limit = 16;
@@ -8928,6 +8961,10 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
         if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
                 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
 
+        /* Find msi capability. */
+        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+                tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
+
         /* Initialize misc host control in PCI block. */
         tp->misc_host_ctrl |= (misc_ctrl_reg &
                                MISC_HOST_CTRL_CHIPREV);
@@ -8943,7 +8980,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
         tp->pci_bist         = (cacheline_sz_reg >> 24) & 0xff;
 
         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
-            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
 
         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
@@ -9305,8 +9343,9 @@ static int __devinit tg3_get_device_address(struct tg3 *tp)
 #endif
 
         mac_offset = 0x7c;
-        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
-            !(tp->tg3_flags & TG3_FLG2_SUN_570X)) {
+        if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
+             !(tp->tg3_flags & TG3_FLG2_SUN_570X)) ||
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
                 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
                         mac_offset = 0xcc;
                 if (tg3_nvram_lock(tp))
@@ -9620,6 +9659,9 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
 
                         /* Set bit 23 to enable PCIX hw bug fix */
                         tp->dma_rwctrl |= 0x009f0000;
+                } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+                        /* 5780 always in PCIX mode */
+                        tp->dma_rwctrl |= 0x00144000;
                 } else {
                         tp->dma_rwctrl |= 0x001b000f;
                 }
@@ -9803,6 +9845,7 @@ static char * __devinit tg3_phy_string(struct tg3 *tp)
         case PHY_ID_BCM5705:    return "5705";
         case PHY_ID_BCM5750:    return "5750";
         case PHY_ID_BCM5752:    return "5752";
+        case PHY_ID_BCM5780:    return "5780";
         case PHY_ID_BCM8002:    return "8002/serdes";
         case 0:                 return "serdes";
         default:                return "unknown";
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 70ad450733e6..46fa105fce83 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -136,6 +136,7 @@
 #define   ASIC_REV_5705                  0x03
 #define   ASIC_REV_5750                  0x04
 #define   ASIC_REV_5752                  0x06
+#define   ASIC_REV_5780                  0x08
 #define  GET_CHIP_REV(CHIP_REV_ID)      ((CHIP_REV_ID) >> 8)
 #define   CHIPREV_5700_AX                0x70
 #define   CHIPREV_5700_BX                0x71
@@ -2187,6 +2188,7 @@ struct tg3 {
         u8                              pci_bist;
 
         int                             pm_cap;
+        int                             msi_cap;
 
         /* PHY info */
         u32                             phy_id;
@@ -2200,6 +2202,7 @@ struct tg3 {
 #define PHY_ID_BCM5705                  0x600081a0
 #define PHY_ID_BCM5750                  0x60008180
 #define PHY_ID_BCM5752                  0x60008100
+#define PHY_ID_BCM5780                  0x60008350
 #define PHY_ID_BCM8002                  0x60010140
 #define PHY_ID_INVALID                  0xffffffff
 #define PHY_ID_REV_MASK                 0x0000000f