cxgb3 - parity initialization for T3C adapters.

Add parity initialization for T3C adapters.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 111 insertions, 20 deletions

diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index dfdda4735bd..6e5b4992f17 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -62,7 +62,7 @@ int t3_wait_op_done_val(struct adapter *adapter, int reg, u32 mask,
 			return 0;
 		}
 		if (--attempts == 0)
- 			return -EAGAIN;
+			return -EAGAIN;
 		if (delay)
 			udelay(delay);
 	}
@@ -1263,7 +1263,13 @@ static int t3_handle_intr_status(struct adapter *adapter, unsigned int reg,
 	return fatal;
 }
 
-#define SGE_INTR_MASK (F_RSPQDISABLED)
+#define SGE_INTR_MASK (F_RSPQDISABLED | \
+		       F_UC_REQ_FRAMINGERROR | F_R_REQ_FRAMINGERROR | \
+		       F_CPPARITYERROR | F_OCPARITYERROR | F_RCPARITYERROR | \
+		       F_IRPARITYERROR | V_ITPARITYERROR(M_ITPARITYERROR) | \
+		       V_FLPARITYERROR(M_FLPARITYERROR) | F_LODRBPARITYERROR | \
+		       F_HIDRBPARITYERROR | F_LORCQPARITYERROR | \
+		       F_HIRCQPARITYERROR)
 #define MC5_INTR_MASK (F_PARITYERR | F_ACTRGNFULL | F_UNKNOWNCMD | \
 		       F_REQQPARERR | F_DISPQPARERR | F_DELACTEMPTY | \
 		       F_NFASRCHFAIL)
@@ -1280,16 +1286,23 @@ static int t3_handle_intr_status(struct adapter *adapter, unsigned int reg,
 #define PCIE_INTR_MASK (F_UNXSPLCPLERRR | F_UNXSPLCPLERRC | F_PCIE_PIOPARERR |\
 			F_PCIE_WFPARERR | F_PCIE_RFPARERR | F_PCIE_CFPARERR | \
 			/* V_PCIE_MSIXPARERR(M_PCIE_MSIXPARERR) | */ \
-			V_BISTERR(M_BISTERR))
-#define ULPRX_INTR_MASK F_PARERR
-#define ULPTX_INTR_MASK 0
-#define CPLSW_INTR_MASK (F_TP_FRAMING_ERROR | \
+			F_RETRYBUFPARERR | F_RETRYLUTPARERR | F_RXPARERR | \
+			F_TXPARERR | V_BISTERR(M_BISTERR))
+#define ULPRX_INTR_MASK (F_PARERRDATA | F_PARERRPCMD | F_ARBPF1PERR | \
+			 F_ARBPF0PERR | F_ARBFPERR | F_PCMDMUXPERR | \
+			 F_DATASELFRAMEERR1 | F_DATASELFRAMEERR0)
+#define ULPTX_INTR_MASK 0xfc
+#define CPLSW_INTR_MASK (F_CIM_OP_MAP_PERR | F_TP_FRAMING_ERROR | \
 			 F_SGE_FRAMING_ERROR | F_CIM_FRAMING_ERROR | \
 			 F_ZERO_SWITCH_ERROR)
 #define CIM_INTR_MASK (F_BLKWRPLINT | F_BLKRDPLINT | F_BLKWRCTLINT | \
 		       F_BLKRDCTLINT | F_BLKWRFLASHINT | F_BLKRDFLASHINT | \
 		       F_SGLWRFLASHINT | F_WRBLKFLASHINT | F_BLKWRBOOTINT | \
-	 	       F_FLASHRANGEINT | F_SDRAMRANGEINT | F_RSVDSPACEINT)
+	 	       F_FLASHRANGEINT | F_SDRAMRANGEINT | F_RSVDSPACEINT | \
+		       F_DRAMPARERR | F_ICACHEPARERR | F_DCACHEPARERR | \
+		       F_OBQSGEPARERR | F_OBQULPHIPARERR | F_OBQULPLOPARERR | \
+		       F_IBQSGELOPARERR | F_IBQSGEHIPARERR | F_IBQULPPARERR | \
+		       F_IBQTPPARERR | F_ITAGPARERR | F_DTAGPARERR)
 #define PMTX_INTR_MASK (F_ZERO_C_CMD_ERROR | ICSPI_FRM_ERR | OESPI_FRM_ERR | \
 			V_ICSPI_PAR_ERROR(M_ICSPI_PAR_ERROR) | \
 			V_OESPI_PAR_ERROR(M_OESPI_PAR_ERROR))
@@ -1358,6 +1371,10 @@ static void pcie_intr_handler(struct adapter *adapter)
 		{F_PCIE_CFPARERR, "PCI command FIFO parity error", -1, 1},
 		{V_PCIE_MSIXPARERR(M_PCIE_MSIXPARERR),
 		 "PCI MSI-X table/PBA parity error", -1, 1},
+		{F_RETRYBUFPARERR, "PCI retry buffer parity error", -1, 1},
+		{F_RETRYLUTPARERR, "PCI retry LUT parity error", -1, 1},
+		{F_RXPARERR, "PCI Rx parity error", -1, 1},
+		{F_TXPARERR, "PCI Tx parity error", -1, 1},
 		{V_BISTERR(M_BISTERR), "PCI BIST error", -1, 1},
 		{0}
 	};
@@ -1384,15 +1401,15 @@ static void tp_intr_handler(struct adapter *adapter)
 	};
 
 	static struct intr_info tp_intr_info_t3c[] = {
-		{ 0x1ffffff,  "TP parity error", -1, 1 },
-		{ F_FLMRXFLSTEMPTY, "TP out of Rx pages", -1, 1 },
-		{ F_FLMTXFLSTEMPTY, "TP out of Tx pages", -1, 1 },
-		{ 0 }
+		{0x1fffffff, "TP parity error", -1, 1},
+		{F_FLMRXFLSTEMPTY, "TP out of Rx pages", -1, 1},
+		{F_FLMTXFLSTEMPTY, "TP out of Tx pages", -1, 1},
+		{0}
 	};
 
 	if (t3_handle_intr_status(adapter, A_TP_INT_CAUSE, 0xffffffff,
 				  adapter->params.rev < T3_REV_C ?
-					tp_intr_info : tp_intr_info_t3c, NULL))
+				  tp_intr_info : tp_intr_info_t3c, NULL))
 		t3_fatal_err(adapter);
 }
 
@@ -1414,6 +1431,18 @@ static void cim_intr_handler(struct adapter *adapter)
 		{F_BLKWRCTLINT, "CIM block write to CTL space", -1, 1},
 		{F_BLKRDPLINT, "CIM block read from PL space", -1, 1},
 		{F_BLKWRPLINT, "CIM block write to PL space", -1, 1},
+		{F_DRAMPARERR, "CIM DRAM parity error", -1, 1},
+		{F_ICACHEPARERR, "CIM icache parity error", -1, 1},
+		{F_DCACHEPARERR, "CIM dcache parity error", -1, 1},
+		{F_OBQSGEPARERR, "CIM OBQ SGE parity error", -1, 1},
+		{F_OBQULPHIPARERR, "CIM OBQ ULPHI parity error", -1, 1},
+		{F_OBQULPLOPARERR, "CIM OBQ ULPLO parity error", -1, 1},
+		{F_IBQSGELOPARERR, "CIM IBQ SGELO parity error", -1, 1},
+		{F_IBQSGEHIPARERR, "CIM IBQ SGEHI parity error", -1, 1},
+		{F_IBQULPPARERR, "CIM IBQ ULP parity error", -1, 1},
+		{F_IBQTPPARERR, "CIM IBQ TP parity error", -1, 1},
+		{F_ITAGPARERR, "CIM itag parity error", -1, 1},
+		{F_DTAGPARERR, "CIM dtag parity error", -1, 1},
 		{0}
 	};
 
@@ -1428,7 +1457,14 @@ static void cim_intr_handler(struct adapter *adapter)
 static void ulprx_intr_handler(struct adapter *adapter)
 {
 	static const struct intr_info ulprx_intr_info[] = {
-		{F_PARERR, "ULP RX parity error", -1, 1},
+		{F_PARERRDATA, "ULP RX data parity error", -1, 1},
+		{F_PARERRPCMD, "ULP RX command parity error", -1, 1},
+		{F_ARBPF1PERR, "ULP RX ArbPF1 parity error", -1, 1},
+		{F_ARBPF0PERR, "ULP RX ArbPF0 parity error", -1, 1},
+		{F_ARBFPERR, "ULP RX ArbF parity error", -1, 1},
+		{F_PCMDMUXPERR, "ULP RX PCMDMUX parity error", -1, 1},
+		{F_DATASELFRAMEERR1, "ULP RX frame error", -1, 1},
+		{F_DATASELFRAMEERR0, "ULP RX frame error", -1, 1},
 		{0}
 	};
 
@@ -1447,6 +1483,7 @@ static void ulptx_intr_handler(struct adapter *adapter)
 		 STAT_ULP_CH0_PBL_OOB, 0},
 		{F_PBL_BOUND_ERR_CH1, "ULP TX channel 1 PBL out of bounds",
 		 STAT_ULP_CH1_PBL_OOB, 0},
+		{0xfc, "ULP TX parity error", -1, 1},
 		{0}
 	};
 
@@ -1521,7 +1558,8 @@ static void pmrx_intr_handler(struct adapter *adapter)
 static void cplsw_intr_handler(struct adapter *adapter)
 {
 	static const struct intr_info cplsw_intr_info[] = {
-/*		{ F_CIM_OVFL_ERROR, "CPL switch CIM overflow", -1, 1 }, */
+		{F_CIM_OP_MAP_PERR, "CPL switch CIM parity error", -1, 1},
+		{F_CIM_OVFL_ERROR, "CPL switch CIM overflow", -1, 1},
 		{F_TP_FRAMING_ERROR, "CPL switch TP framing error", -1, 1},
 		{F_SGE_FRAMING_ERROR, "CPL switch SGE framing error", -1, 1},
 		{F_CIM_FRAMING_ERROR, "CPL switch CIM framing error", -1, 1},
@@ -1907,6 +1945,16 @@ static int t3_sge_write_context(struct adapter *adapter, unsigned int id,
 			       0, SG_CONTEXT_CMD_ATTEMPTS, 1);
 }
 
+static int clear_sge_ctxt(struct adapter *adap, unsigned int id,
+			  unsigned int type)
+{
+	t3_write_reg(adap, A_SG_CONTEXT_DATA0, 0);
+	t3_write_reg(adap, A_SG_CONTEXT_DATA1, 0);
+	t3_write_reg(adap, A_SG_CONTEXT_DATA2, 0);
+	t3_write_reg(adap, A_SG_CONTEXT_DATA3, 0);
+	return t3_sge_write_context(adap, id, type);
+}
+
 /**
  *	t3_sge_init_ecntxt - initialize an SGE egress context
  *	@adapter: the adapter to configure
@@ -2408,7 +2456,7 @@ static inline unsigned int pm_num_pages(unsigned int mem_size,
 	t3_write_reg((adap), A_ ## reg, (start)); \
 	start += size
 
-/*
+/**
  *	partition_mem - partition memory and configure TP memory settings
  *	@adap: the adapter
  *	@p: the TP parameters
@@ -2493,7 +2541,7 @@ static void tp_config(struct adapter *adap, const struct tp_params *p)
 		     V_AUTOSTATE2(1) | V_AUTOSTATE1(0) |
 		     V_BYTETHRESHOLD(16384) | V_MSSTHRESHOLD(2) |
 		     F_AUTOCAREFUL | F_AUTOENABLE | V_DACK_MODE(1));
-	t3_set_reg_field(adap, A_TP_IN_CONFIG, F_IPV6ENABLE | F_NICMODE,
+	t3_set_reg_field(adap, A_TP_IN_CONFIG, F_RXFBARBPRIO | F_TXFBARBPRIO,
 			 F_IPV6ENABLE | F_NICMODE);
 	t3_write_reg(adap, A_TP_TX_RESOURCE_LIMIT, 0x18141814);
 	t3_write_reg(adap, A_TP_PARA_REG4, 0x5050105);
@@ -2505,7 +2553,9 @@ static void tp_config(struct adapter *adap, const struct tp_params *p)
 			 F_ENABLEEPCMDAFULL,
 			 F_ENABLEOCSPIFULL |F_TXDEFERENABLE | F_HEARBEATDACK |
 			 F_TXCONGESTIONMODE | F_RXCONGESTIONMODE);
-	t3_set_reg_field(adap, A_TP_PC_CONFIG2, F_CHDRAFULL, 0);
+	t3_set_reg_field(adap, A_TP_PC_CONFIG2, F_CHDRAFULL,
+			 F_ENABLEIPV6RSS | F_ENABLENONOFDTNLSYN |
+			 F_ENABLEARPMISS | F_DISBLEDAPARBIT0);
 	t3_write_reg(adap, A_TP_PROXY_FLOW_CNTL, 1080);
 	t3_write_reg(adap, A_TP_PROXY_FLOW_CNTL, 1000);
 
@@ -3212,7 +3262,8 @@ static void config_pcie(struct adapter *adap)
 			 V_REPLAYLMT(rpllmt));
 
 	t3_write_reg(adap, A_PCIE_PEX_ERR, 0xffffffff);
-	t3_set_reg_field(adap, A_PCIE_CFG, F_PCIE_CLIDECEN, F_PCIE_CLIDECEN);
+	t3_set_reg_field(adap, A_PCIE_CFG, 0,
+			 F_PCIE_DMASTOPEN | F_PCIE_CLIDECEN);
 }
 
 /*
@@ -3225,7 +3276,7 @@ static void config_pcie(struct adapter *adap)
  */
 int t3_init_hw(struct adapter *adapter, u32 fw_params)
 {
-	int err = -EIO, attempts = 100;
+	int err = -EIO, attempts, i;
 	const struct vpd_params *vpd = &adapter->params.vpd;
 
 	if (adapter->params.rev > 0)
@@ -3243,6 +3294,10 @@ int t3_init_hw(struct adapter *adapter, u32 fw_params)
 				adapter->params.mc5.nfilters,
 				adapter->params.mc5.nroutes))
 			goto out_err;
+
+		for (i = 0; i < 32; i++)
+			if (clear_sge_ctxt(adapter, i, F_CQ))
+				goto out_err;
 	}
 
 	if (tp_init(adapter, &adapter->params.tp))
@@ -3258,7 +3313,8 @@ int t3_init_hw(struct adapter *adapter, u32 fw_params)
 	if (is_pcie(adapter))
 		config_pcie(adapter);
 	else
-		t3_set_reg_field(adapter, A_PCIX_CFG, 0, F_CLIDECEN);
+		t3_set_reg_field(adapter, A_PCIX_CFG, 0,
+				 F_DMASTOPEN | F_CLIDECEN);
 
 	if (adapter->params.rev == T3_REV_C)
 		t3_set_reg_field(adapter, A_ULPTX_CONFIG, 0,
@@ -3275,6 +3331,7 @@ int t3_init_hw(struct adapter *adapter, u32 fw_params)
 		     V_BOOTADDR(FW_FLASH_BOOT_ADDR >> 2));
 	t3_read_reg(adapter, A_CIM_BOOT_CFG);	/* flush */
 
+	attempts = 100;
 	do {			/* wait for uP to initialize */
 		msleep(20);
 	} while (t3_read_reg(adapter, A_CIM_HOST_ACC_DATA) && --attempts);
@@ -3409,6 +3466,7 @@ void early_hw_init(struct adapter *adapter, const struct adapter_info *ai)
 	t3_write_reg(adapter, A_T3DBG_GPIO_EN,
 		     ai->gpio_out | F_GPIO0_OEN | F_GPIO0_OUT_VAL);
 	t3_write_reg(adapter, A_MC5_DB_SERVER_INDEX, 0);
+	t3_write_reg(adapter, A_SG_OCO_BASE, V_BASE1(0xfff));
 
 	if (adapter->params.rev == 0 || !uses_xaui(adapter))
 		val |= F_ENRGMII;
@@ -3458,6 +3516,36 @@ static int t3_reset_adapter(struct adapter *adapter)
 	return 0;
 }
 
+static int __devinit init_parity(struct adapter *adap)
+{
+		int i, err, addr;
+
+	if (t3_read_reg(adap, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY)
+		return -EBUSY;
+
+	for (err = i = 0; !err && i < 16; i++)
+		err = clear_sge_ctxt(adap, i, F_EGRESS);
+	for (i = 0xfff0; !err && i <= 0xffff; i++)
+		err = clear_sge_ctxt(adap, i, F_EGRESS);
+	for (i = 0; !err && i < SGE_QSETS; i++)
+		err = clear_sge_ctxt(adap, i, F_RESPONSEQ);
+	if (err)
+		return err;
+
+	t3_write_reg(adap, A_CIM_IBQ_DBG_DATA, 0);
+	for (i = 0; i < 4; i++)
+		for (addr = 0; addr <= M_IBQDBGADDR; addr++) {
+			t3_write_reg(adap, A_CIM_IBQ_DBG_CFG, F_IBQDBGEN |
+				     F_IBQDBGWR | V_IBQDBGQID(i) |
+				     V_IBQDBGADDR(addr));
+			err = t3_wait_op_done(adap, A_CIM_IBQ_DBG_CFG,
+					      F_IBQDBGBUSY, 0, 2, 1);
+			if (err)
+				return err;
+		}
+	return 0;
+}
+
 /*
  * Initialize adapter SW state for the various HW modules, set initial values
  * for some adapter tunables, take PHYs out of reset, and initialize the MDIO
@@ -3525,6 +3613,9 @@ int __devinit t3_prep_adapter(struct adapter *adapter,
 	}
 
 	early_hw_init(adapter, ai);
+	ret = init_parity(adapter);
+	if (ret)
+		return ret;
 
 	for_each_port(adapter, i) {
 		u8 hw_addr[6];