aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/netxen/netxen_nic_hw.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/netxen/netxen_nic_hw.c')
-rw-r--r--drivers/net/netxen/netxen_nic_hw.c1359
1 files changed, 1244 insertions, 115 deletions
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index a472873f48b..defbeeac5db 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -38,6 +38,248 @@
#include <net/ip.h>
+#define MASK(n) ((1ULL<<(n))-1)
+#define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
+#define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
+#define MS_WIN(addr) (addr & 0x0ffc0000)
+
+#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
+
+#define CRB_BLK(off) ((off >> 20) & 0x3f)
+#define CRB_SUBBLK(off) ((off >> 16) & 0xf)
+#define CRB_WINDOW_2M (0x130060)
+#define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
+#define CRB_INDIRECT_2M (0x1e0000UL)
+
+#define CRB_WIN_LOCK_TIMEOUT 100000000
+static crb_128M_2M_block_map_t crb_128M_2M_map[64] = {
+ {{{0, 0, 0, 0} } }, /* 0: PCI */
+ {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */
+ {1, 0x0110000, 0x0120000, 0x130000},
+ {1, 0x0120000, 0x0122000, 0x124000},
+ {1, 0x0130000, 0x0132000, 0x126000},
+ {1, 0x0140000, 0x0142000, 0x128000},
+ {1, 0x0150000, 0x0152000, 0x12a000},
+ {1, 0x0160000, 0x0170000, 0x110000},
+ {1, 0x0170000, 0x0172000, 0x12e000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x01e0000, 0x01e0800, 0x122000},
+ {0, 0x0000000, 0x0000000, 0x000000} } },
+ {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
+ {{{0, 0, 0, 0} } }, /* 3: */
+ {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
+ {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */
+ {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */
+ {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */
+ {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x08f0000, 0x08f2000, 0x172000} } },
+ {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x09f0000, 0x09f2000, 0x176000} } },
+ {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x0af0000, 0x0af2000, 0x17a000} } },
+ {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
+ {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
+ {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
+ {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
+ {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
+ {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
+ {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
+ {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
+ {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
+ {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
+ {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
+ {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
+ {{{0, 0, 0, 0} } }, /* 23: */
+ {{{0, 0, 0, 0} } }, /* 24: */
+ {{{0, 0, 0, 0} } }, /* 25: */
+ {{{0, 0, 0, 0} } }, /* 26: */
+ {{{0, 0, 0, 0} } }, /* 27: */
+ {{{0, 0, 0, 0} } }, /* 28: */
+ {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
+ {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
+ {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
+ {{{0} } }, /* 32: PCI */
+ {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */
+ {1, 0x2110000, 0x2120000, 0x130000},
+ {1, 0x2120000, 0x2122000, 0x124000},
+ {1, 0x2130000, 0x2132000, 0x126000},
+ {1, 0x2140000, 0x2142000, 0x128000},
+ {1, 0x2150000, 0x2152000, 0x12a000},
+ {1, 0x2160000, 0x2170000, 0x110000},
+ {1, 0x2170000, 0x2172000, 0x12e000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000} } },
+ {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
+ {{{0} } }, /* 35: */
+ {{{0} } }, /* 36: */
+ {{{0} } }, /* 37: */
+ {{{0} } }, /* 38: */
+ {{{0} } }, /* 39: */
+ {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
+ {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
+ {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
+ {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
+ {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
+ {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
+ {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
+ {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
+ {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
+ {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
+ {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
+ {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
+ {{{0} } }, /* 52: */
+ {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
+ {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
+ {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
+ {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
+ {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
+ {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
+ {{{0} } }, /* 59: I2C0 */
+ {{{0} } }, /* 60: I2C1 */
+ {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
+ {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
+ {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */
+};
+
+/*
+ * top 12 bits of crb internal address (hub, agent)
+ */
+static unsigned crb_hub_agt[64] =
+{
+ 0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PS,
+ NETXEN_HW_CRB_HUB_AGT_ADR_MN,
+ NETXEN_HW_CRB_HUB_AGT_ADR_MS,
+ 0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_SRE,
+ NETXEN_HW_CRB_HUB_AGT_ADR_NIU,
+ NETXEN_HW_CRB_HUB_AGT_ADR_QMN,
+ NETXEN_HW_CRB_HUB_AGT_ADR_SQN0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_SQN1,
+ NETXEN_HW_CRB_HUB_AGT_ADR_SQN2,
+ NETXEN_HW_CRB_HUB_AGT_ADR_SQN3,
+ NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
+ NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
+ NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGN4,
+ NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGN0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGN1,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGN2,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGN3,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGND,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGNI,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGS0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGS1,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGS2,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGS3,
+ 0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGSI,
+ NETXEN_HW_CRB_HUB_AGT_ADR_SN,
+ 0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_EG,
+ 0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PS,
+ NETXEN_HW_CRB_HUB_AGT_ADR_CAM,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
+ 0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1,
+ NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2,
+ NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3,
+ NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4,
+ NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5,
+ NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6,
+ NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7,
+ NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
+ NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
+ NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
+ 0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8,
+ NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9,
+ NETXEN_HW_CRB_HUB_AGT_ADR_OCM0,
+ 0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_SMB,
+ NETXEN_HW_CRB_HUB_AGT_ADR_I2C0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_I2C1,
+ 0,
+ NETXEN_HW_CRB_HUB_AGT_ADR_PGNC,
+ 0,
+};
+
struct netxen_recv_crb recv_crb_registers[] = {
/*
* Instance 0.
@@ -123,7 +365,7 @@ static u64 ctx_addr_sig_regs[][3] = {
#define NETXEN_MIN_MTU 64
#define NETXEN_ETH_FCS_SIZE 4
#define NETXEN_ENET_HEADER_SIZE 14
-#define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */
+#define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */
#define NETXEN_FIRMWARE_LEN ((16 * 1024) / 4)
#define NETXEN_NIU_HDRSIZE (0x1 << 6)
#define NETXEN_NIU_TLRSIZE (0x1 << 5)
@@ -139,8 +381,6 @@ static u64 ctx_addr_sig_regs[][3] = {
#define NETXEN_NIC_WINDOW_MARGIN 0x100000
-static unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
- unsigned long long addr);
void netxen_free_hw_resources(struct netxen_adapter *adapter);
int netxen_nic_set_mac(struct net_device *netdev, void *p)
@@ -181,9 +421,9 @@ netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter)
if (adapter->mc_enabled)
return 0;
- netxen_nic_hw_read_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+ adapter->hw_read_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
val |= (1UL << (28+port));
- netxen_nic_hw_write_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+ adapter->hw_write_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
/* add broadcast addr to filter */
val = 0xffffff;
@@ -212,9 +452,9 @@ netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter)
if (!adapter->mc_enabled)
return 0;
- netxen_nic_hw_read_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+ adapter->hw_read_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
val &= ~(1UL << (28+port));
- netxen_nic_hw_write_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+ adapter->hw_write_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
val = MAC_HI(addr);
netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
@@ -344,18 +584,15 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter)
for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- DPRINTK(INFO, "Command Peg ready..waiting for rcv peg\n");
loops = 0;
state = 0;
- /* Window 1 call */
- state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_RCVPEG_STATE));
- while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) {
- msleep(1);
+ do {
/* Window 1 call */
- state = readl(NETXEN_CRB_NORMALIZE(adapter,
- CRB_RCVPEG_STATE));
+ state = adapter->pci_read_normalize(adapter,
+ CRB_RCVPEG_STATE);
+ msleep(1);
loops++;
- }
+ } while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20);
if (loops >= 20) {
printk(KERN_ERR "Rcv Peg initialization not complete:"
"%x.\n", state);
@@ -363,10 +600,10 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter)
return err;
}
}
- adapter->intr_scheme = readl(
- NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_FW));
- adapter->msi_mode = readl(
- NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_FW));
+ adapter->intr_scheme = adapter->pci_read_normalize(adapter,
+ CRB_NIC_CAPABILITIES_FW);
+ adapter->msi_mode = adapter->pci_read_normalize(adapter,
+ CRB_NIC_MSI_MODE_FW);
addr = pci_alloc_consistent(adapter->pdev,
sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
@@ -449,12 +686,12 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter)
}
/* Window = 1 */
- writel(lower32(adapter->ctx_desc_phys_addr),
- NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_LO(func_id)));
- writel(upper32(adapter->ctx_desc_phys_addr),
- NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_HI(func_id)));
- writel(NETXEN_CTX_SIGNATURE | func_id,
- NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_SIGNATURE_REG(func_id)));
+ adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_LO(func_id),
+ lower32(adapter->ctx_desc_phys_addr));
+ adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_HI(func_id),
+ upper32(adapter->ctx_desc_phys_addr));
+ adapter->pci_write_normalize(adapter, CRB_CTX_SIGNATURE_REG(func_id),
+ NETXEN_CTX_SIGNATURE | func_id);
return err;
}
@@ -601,10 +838,41 @@ int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 mac[])
return 0;
}
+#define CRB_WIN_LOCK_TIMEOUT 100000000
+
+static int crb_win_lock(struct netxen_adapter *adapter)
+{
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore3 from PCI HW block */
+ adapter->hw_read_wx(adapter,
+ NETXEN_PCIE_REG(PCIE_SEM7_LOCK), &done, 4);
+ if (done == 1)
+ break;
+ if (timeout >= CRB_WIN_LOCK_TIMEOUT)
+ return -1;
+ timeout++;
+ udelay(1);
+ }
+ netxen_crb_writelit_adapter(adapter,
+ NETXEN_CRB_WIN_LOCK_ID, adapter->portnum);
+ return 0;
+}
+
+static void crb_win_unlock(struct netxen_adapter *adapter)
+{
+ int val;
+
+ adapter->hw_read_wx(adapter,
+ NETXEN_PCIE_REG(PCIE_SEM7_UNLOCK), &val, 4);
+}
+
/*
* Changes the CRB window to the specified window.
*/
-void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
+void
+netxen_nic_pci_change_crbwindow_128M(struct netxen_adapter *adapter, u32 wndw)
{
void __iomem *offset;
u32 tmp;
@@ -633,7 +901,7 @@ void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
while ((tmp = readl(offset)) != wndw) {
printk(KERN_WARNING "%s: %s WARNING: CRB window value not "
"registered properly: 0x%08x.\n",
- netxen_nic_driver_name, __FUNCTION__, tmp);
+ netxen_nic_driver_name, __func__, tmp);
mdelay(1);
if (count >= 10)
break;
@@ -646,51 +914,112 @@ void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
adapter->curr_window = 0;
}
+/*
+ * Return -1 if off is not valid,
+ * 1 if window access is needed. 'off' is set to offset from
+ * CRB space in 128M pci map
+ * 0 if no window access is needed. 'off' is set to 2M addr
+ * In: 'off' is offset from base in 128M pci map
+ */
+static int
+netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter,
+ ulong *off, int len)
+{
+ unsigned long end = *off + len;
+ crb_128M_2M_sub_block_map_t *m;
+
+
+ if (*off >= NETXEN_CRB_MAX)
+ return -1;
+
+ if (*off >= NETXEN_PCI_CAMQM && (end <= NETXEN_PCI_CAMQM_2M_END)) {
+ *off = (*off - NETXEN_PCI_CAMQM) + NETXEN_PCI_CAMQM_2M_BASE +
+ (ulong)adapter->ahw.pci_base0;
+ return 0;
+ }
+
+ if (*off < NETXEN_PCI_CRBSPACE)
+ return -1;
+
+ *off -= NETXEN_PCI_CRBSPACE;
+ end = *off + len;
+
+ /*
+ * Try direct map
+ */
+ m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
+
+ if (m->valid && (m->start_128M <= *off) && (m->end_128M >= end)) {
+ *off = *off + m->start_2M - m->start_128M +
+ (ulong)adapter->ahw.pci_base0;
+ return 0;
+ }
+
+ /*
+ * Not in direct map, use crb window
+ */
+ return 1;
+}
+
+/*
+ * In: 'off' is offset from CRB space in 128M pci map
+ * Out: 'off' is 2M pci map addr
+ * side effect: lock crb window
+ */
+static void
+netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off)
+{
+ u32 win_read;
+
+ adapter->crb_win = CRB_HI(*off);
+ writel(adapter->crb_win, (void *)(CRB_WINDOW_2M +
+ adapter->ahw.pci_base0));
+ /*
+ * Read back value to make sure write has gone through before trying
+ * to use it.
+ */
+ win_read = readl((void *)(CRB_WINDOW_2M + adapter->ahw.pci_base0));
+ if (win_read != adapter->crb_win) {
+ printk(KERN_ERR "%s: Written crbwin (0x%x) != "
+ "Read crbwin (0x%x), off=0x%lx\n",
+ __func__, adapter->crb_win, win_read, *off);
+ }
+ *off = (*off & MASK(16)) + CRB_INDIRECT_2M +
+ (ulong)adapter->ahw.pci_base0;
+}
+
int netxen_load_firmware(struct netxen_adapter *adapter)
{
int i;
u32 data, size = 0;
u32 flashaddr = NETXEN_FLASH_BASE, memaddr = NETXEN_PHANTOM_MEM_BASE;
- u64 off;
- void __iomem *addr;
size = NETXEN_FIRMWARE_LEN;
- writel(1, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
+ adapter->pci_write_normalize(adapter,
+ NETXEN_ROMUSB_GLB_CAS_RST, 1);
for (i = 0; i < size; i++) {
- int retries = 10;
if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0)
return -EIO;
- off = netxen_nic_pci_set_window(adapter, memaddr);
- addr = pci_base_offset(adapter, off);
- writel(data, addr);
- do {
- if (readl(addr) == data)
- break;
- msleep(100);
- writel(data, addr);
- } while (--retries);
- if (!retries) {
- printk(KERN_ERR "%s: firmware load aborted, write failed at 0x%x\n",
- netxen_nic_driver_name, memaddr);
- return -EIO;
- }
+ adapter->pci_mem_write(adapter, memaddr, &data, 4);
flashaddr += 4;
memaddr += 4;
+ cond_resched();
}
udelay(100);
/* make sure Casper is powered on */
- writel(0x3fff,
- NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL));
- writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
+ adapter->pci_write_normalize(adapter,
+ NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff);
+ adapter->pci_write_normalize(adapter,
+ NETXEN_ROMUSB_GLB_CAS_RST, 0);
return 0;
}
int
-netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
- int len)
+netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter,
+ ulong off, void *data, int len)
{
void __iomem *addr;
@@ -698,7 +1027,7 @@ netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
addr = NETXEN_CRB_NORMALIZE(adapter, off);
} else { /* Window 0 */
addr = pci_base_offset(adapter, off);
- netxen_nic_pci_change_crbwindow(adapter, 0);
+ netxen_nic_pci_change_crbwindow_128M(adapter, 0);
}
DPRINTK(INFO, "writing to base %lx offset %llx addr %p"
@@ -706,7 +1035,7 @@ netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
pci_base(adapter, off), off, addr,
*(unsigned long long *)data, len);
if (!addr) {
- netxen_nic_pci_change_crbwindow(adapter, 1);
+ netxen_nic_pci_change_crbwindow_128M(adapter, 1);
return 1;
}
@@ -733,14 +1062,14 @@ netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
break;
}
if (!ADDR_IN_WINDOW1(off))
- netxen_nic_pci_change_crbwindow(adapter, 1);
+ netxen_nic_pci_change_crbwindow_128M(adapter, 1);
return 0;
}
int
-netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
- int len)
+netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter,
+ ulong off, void *data, int len)
{
void __iomem *addr;
@@ -748,13 +1077,13 @@ netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
addr = NETXEN_CRB_NORMALIZE(adapter, off);
} else { /* Window 0 */
addr = pci_base_offset(adapter, off);
- netxen_nic_pci_change_crbwindow(adapter, 0);
+ netxen_nic_pci_change_crbwindow_128M(adapter, 0);
}
DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
pci_base(adapter, off), off, addr);
if (!addr) {
- netxen_nic_pci_change_crbwindow(adapter, 1);
+ netxen_nic_pci_change_crbwindow_128M(adapter, 1);
return 1;
}
switch (len) {
@@ -778,76 +1107,190 @@ netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
DPRINTK(INFO, "read %lx\n", *(unsigned long *)data);
if (!ADDR_IN_WINDOW1(off))
- netxen_nic_pci_change_crbwindow(adapter, 1);
+ netxen_nic_pci_change_crbwindow_128M(adapter, 1);
return 0;
}
-void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val)
-{ /* Only for window 1 */
- void __iomem *addr;
+int
+netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter,
+ ulong off, void *data, int len)
+{
+ unsigned long flags = 0;
+ int rv;
- addr = NETXEN_CRB_NORMALIZE(adapter, off);
- DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n",
- pci_base(adapter, off), off, addr, val);
- writel(val, addr);
+ rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off, len);
+ if (rv == -1) {
+ printk(KERN_ERR "%s: invalid offset: 0x%016lx\n",
+ __func__, off);
+ dump_stack();
+ return -1;
+ }
+
+ if (rv == 1) {
+ write_lock_irqsave(&adapter->adapter_lock, flags);
+ crb_win_lock(adapter);
+ netxen_nic_pci_set_crbwindow_2M(adapter, &off);
+ }
+
+ DPRINTK(1, INFO, "write data %lx to offset %llx, len=%d\n",
+ *(unsigned long *)data, off, len);
+
+ switch (len) {
+ case 1:
+ writeb(*(uint8_t *)data, (void *)off);
+ break;
+ case 2:
+ writew(*(uint16_t *)data, (void *)off);
+ break;
+ case 4:
+ writel(*(uint32_t *)data, (void *)off);
+ break;
+ case 8:
+ writeq(*(uint64_t *)data, (void *)off);
+ break;
+ default:
+ DPRINTK(1, INFO,
+ "writing data %lx to offset %llx, num words=%d\n",
+ *(unsigned long *)data, off, (len>>3));
+ break;
+ }
+ if (rv == 1) {
+ crb_win_unlock(adapter);
+ write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ }
+
+ return 0;
}
-int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off)
-{ /* Only for window 1 */
- void __iomem *addr;
- int val;
+int
+netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter,
+ ulong off, void *data, int len)
+{
+ unsigned long flags = 0;
+ int rv;
- addr = NETXEN_CRB_NORMALIZE(adapter, off);
- DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
- pci_base(adapter, off), off, addr);
- val = readl(addr);
- writel(val, addr);
+ rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off, len);
+
+ if (rv == -1) {
+ printk(KERN_ERR "%s: invalid offset: 0x%016lx\n",
+ __func__, off);
+ dump_stack();
+ return -1;
+ }
+
+ if (rv == 1) {
+ write_lock_irqsave(&adapter->adapter_lock, flags);
+ crb_win_lock(adapter);
+ netxen_nic_pci_set_crbwindow_2M(adapter, &off);
+ }
+
+ DPRINTK(1, INFO, "read from offset %lx, len=%d\n", off, len);
+
+ switch (len) {
+ case 1:
+ *(uint8_t *)data = readb((void *)off);
+ break;
+ case 2:
+ *(uint16_t *)data = readw((void *)off);
+ break;
+ case 4:
+ *(uint32_t *)data = readl((void *)off);
+ break;
+ case 8:
+ *(uint64_t *)data = readq((void *)off);
+ break;
+ default:
+ break;
+ }
+
+ DPRINTK(1, INFO, "read %lx\n", *(unsigned long *)data);
+ if (rv == 1) {
+ crb_win_unlock(adapter);
+ write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ }
+
+ return 0;
+}
+
+void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val)
+{
+ adapter->hw_write_wx(adapter, off, &val, 4);
+}
+
+int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off)
+{
+ int val;
+ adapter->hw_read_wx(adapter, off, &val, 4);
return val;
}
/* Change the window to 0, write and change back to window 1. */
void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value)
{
- void __iomem *addr;
-
- netxen_nic_pci_change_crbwindow(adapter, 0);
- addr = pci_base_offset(adapter, index);
- writel(value, addr);
- netxen_nic_pci_change_crbwindow(adapter, 1);
+ adapter->hw_write_wx(adapter, index, &value, 4);
}
/* Change the window to 0, read and change back to window 1. */
-void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value)
+void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 *value)
{
- void __iomem *addr;
+ adapter->hw_read_wx(adapter, index, value, 4);
+}
- addr = pci_base_offset(adapter, index);
+void netxen_nic_write_w1(struct netxen_adapter *adapter, u32 index, u32 value)
+{
+ adapter->hw_write_wx(adapter, index, &value, 4);
+}
+
+void netxen_nic_read_w1(struct netxen_adapter *adapter, u32 index, u32 *value)
+{
+ adapter->hw_read_wx(adapter, index, value, 4);
+}
+
+/*
+ * check memory access boundary.
+ * used by test agent. support ddr access only for now
+ */
+static unsigned long
+netxen_nic_pci_mem_bound_check(struct netxen_adapter *adapter,
+ unsigned long long addr, int size)
+{
+ if (!ADDR_IN_RANGE(addr,
+ NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX) ||
+ !ADDR_IN_RANGE(addr+size-1,
+ NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX) ||
+ ((size != 1) && (size != 2) && (size != 4) && (size != 8))) {
+ return 0;
+ }
- netxen_nic_pci_change_crbwindow(adapter, 0);
- *value = readl(addr);
- netxen_nic_pci_change_crbwindow(adapter, 1);
+ return 1;
}
static int netxen_pci_set_window_warning_count;
-static unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
- unsigned long long addr)
+unsigned long
+netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
+ unsigned long long addr)
{
void __iomem *offset;
- static int ddr_mn_window = -1;
- static int qdr_sn_window = -1;
int window;
+ unsigned long long qdr_max;
uint8_t func = adapter->ahw.pci_func;
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2;
+ } else {
+ qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3;
+ }
+
if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
/* DDR network side */
addr -= NETXEN_ADDR_DDR_NET;
window = (addr >> 25) & 0x3ff;
- if (ddr_mn_window != window) {
- ddr_mn_window = window;
+ if (adapter->ahw.ddr_mn_window != window) {
+ adapter->ahw.ddr_mn_window = window;
offset = PCI_OFFSET_SECOND_RANGE(adapter,
NETXEN_PCIX_PH_REG(PCIE_MN_WINDOW_REG(func)));
writel(window, offset);
@@ -862,14 +1305,12 @@ static unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
} else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
addr -= NETXEN_ADDR_OCM1;
addr += NETXEN_PCI_OCM1;
- } else
- if (ADDR_IN_RANGE
- (addr, NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX_P2)) {
+ } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_QDR_NET, qdr_max)) {
/* QDR network side */
addr -= NETXEN_ADDR_QDR_NET;
window = (addr >> 22) & 0x3f;
- if (qdr_sn_window != window) {
- qdr_sn_window = window;
+ if (adapter->ahw.qdr_sn_window != window) {
+ adapter->ahw.qdr_sn_window = window;
offset = PCI_OFFSET_SECOND_RANGE(adapter,
NETXEN_PCIX_PH_REG(PCIE_SN_WINDOW_REG(func)));
writel((window << 22), offset);
@@ -888,11 +1329,711 @@ static unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
printk("%s: Warning:netxen_nic_pci_set_window()"
" Unknown address range!\n",
netxen_nic_driver_name);
+ addr = -1UL;
+ }
+ return addr;
+}
+
+/*
+ * Note : only 32-bit writes!
+ */
+int netxen_nic_pci_write_immediate_128M(struct netxen_adapter *adapter,
+ u64 off, u32 data)
+{
+ writel(data, (void __iomem *)(PCI_OFFSET_SECOND_RANGE(adapter, off)));
+ return 0;
+}
+
+u32 netxen_nic_pci_read_immediate_128M(struct netxen_adapter *adapter, u64 off)
+{
+ return readl((void __iomem *)(pci_base_offset(adapter, off)));
+}
+
+void netxen_nic_pci_write_normalize_128M(struct netxen_adapter *adapter,
+ u64 off, u32 data)
+{
+ writel(data, NETXEN_CRB_NORMALIZE(adapter, off));
+}
+
+u32 netxen_nic_pci_read_normalize_128M(struct netxen_adapter *adapter, u64 off)
+{
+ return readl(NETXEN_CRB_NORMALIZE(adapter, off));
+}
+
+unsigned long
+netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
+ unsigned long long addr)
+{
+ int window;
+ u32 win_read;
+ if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
+ /* DDR network side */
+ window = MN_WIN(addr);
+ adapter->ahw.ddr_mn_window = window;
+ adapter->hw_write_wx(adapter,
+ adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+ &window, 4);
+ adapter->hw_read_wx(adapter,
+ adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+ &win_read, 4);
+ if ((win_read << 17) != window) {
+ printk(KERN_INFO "Written MNwin (0x%x) != "
+ "Read MNwin (0x%x)\n", window, win_read);
+ }
+ addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_DDR_NET;
+ } else if (ADDR_IN_RANGE(addr,
+ NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
+ if ((addr & 0x00ff800) == 0xff800) {
+ printk("%s: QM access not handled.\n", __func__);
+ addr = -1UL;
+ }
+
+ window = OCM_WIN(addr);
+ adapter->ahw.ddr_mn_window = window;
+ adapter->hw_write_wx(adapter,
+ adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+ &window, 4);
+ adapter->hw_read_wx(adapter,
+ adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+ &win_read, 4);
+ if ((win_read >> 7) != window) {
+ printk(KERN_INFO "%s: Written OCMwin (0x%x) != "
+ "Read OCMwin (0x%x)\n",
+ __func__, window, win_read);
+ }
+ addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_OCM0_2M;
+
+ } else if (ADDR_IN_RANGE(addr,
+ NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX_P3)) {
+ /* QDR network side */
+ window = MS_WIN(addr);
+ adapter->ahw.qdr_sn_window = window;
+ adapter->hw_write_wx(adapter,
+ adapter->ahw.ms_win_crb | NETXEN_PCI_CRBSPACE,
+ &window, 4);
+ adapter->hw_read_wx(adapter,
+ adapter->ahw.ms_win_crb | NETXEN_PCI_CRBSPACE,
+ &win_read, 4);
+ if (win_read != window) {
+ printk(KERN_INFO "%s: Written MSwin (0x%x) != "
+ "Read MSwin (0x%x)\n",
+ __func__, window, win_read);
+ }
+ addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_QDR_NET;
+
+ } else {
+ /*
+ * peg gdb frequently accesses memory that doesn't exist,
+ * this limits the chit chat so debugging isn't slowed down.
+ */
+ if ((netxen_pci_set_window_warning_count++ < 8)
+ || (netxen_pci_set_window_warning_count%64 == 0)) {
+ printk("%s: Warning:%s Unknown address range!\n",
+ __func__, netxen_nic_driver_name);
+}
+ addr = -1UL;
}
return addr;
}
+static int netxen_nic_pci_is_same_window(struct netxen_adapter *adapter,
+ unsigned long long addr)
+{
+ int window;
+ unsigned long long qdr_max;
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2;
+ else
+ qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3;
+
+ if (ADDR_IN_RANGE(addr,
+ NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
+ /* DDR network side */
+ BUG(); /* MN access can not come here */
+ } else if (ADDR_IN_RANGE(addr,
+ NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
+ return 1;
+ } else if (ADDR_IN_RANGE(addr,
+ NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
+ return 1;
+ } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_QDR_NET, qdr_max)) {
+ /* QDR network side */
+ window = ((addr - NETXEN_ADDR_QDR_NET) >> 22) & 0x3f;
+ if (adapter->ahw.qdr_sn_window == window)
+ return 1;
+ }
+
+ return 0;
+}
+
+static int netxen_nic_pci_mem_read_direct(struct netxen_adapter *adapter,
+ u64 off, void *data, int size)
+{
+ unsigned long flags;
+ void *addr;
+ int ret = 0;
+ u64 start;
+ uint8_t *mem_ptr = NULL;
+ unsigned long mem_base;
+ unsigned long mem_page;
+
+ write_lock_irqsave(&adapter->adapter_lock, flags);
+
+ /*
+ * If attempting to access unknown address or straddle hw windows,
+ * do not access.
+ */
+ start = adapter->pci_set_window(adapter, off);
+ if ((start == -1UL) ||
+ (netxen_nic_pci_is_same_window(adapter, off+size-1) == 0)) {
+ write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ printk(KERN_ERR "%s out of bound pci memory access. "
+ "offset is 0x%llx\n", netxen_nic_driver_name, off);
+ return -1;
+ }
+
+ addr = (void *)(pci_base_offset(adapter, start));
+ if (!addr) {
+ write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ mem_base = pci_resource_start(adapter->pdev, 0);
+ mem_page = start & PAGE_MASK;
+ /* Map two pages whenever user tries to access addresses in two
+ consecutive pages.
+ */
+ if (mem_page != ((start + size - 1) & PAGE_MASK))
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
+ else
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+ if (mem_ptr == 0UL) {
+ *(uint8_t *)data = 0;
+ return -1;
+ }
+ addr = mem_ptr;
+ addr += start & (PAGE_SIZE - 1);
+ write_lock_irqsave(&adapter->adapter_lock, flags);
+ }
+
+ switch (size) {
+ case 1:
+ *(uint8_t *)data = readb(addr);
+ break;
+ case 2:
+ *(uint16_t *)data = readw(addr);
+ break;
+ case 4:
+ *(uint32_t *)data = readl(addr);
+ break;
+ case 8:
+ *(uint64_t *)data = readq(addr);
+ break;
+ default:
+ ret = -1;
+ break;
+ }
+ write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data);
+
+ if (mem_ptr)
+ iounmap(mem_ptr);
+ return ret;
+}
+
+static int
+netxen_nic_pci_mem_write_direct(struct netxen_adapter *adapter, u64 off,
+ void *data, int size)
+{
+ unsigned long flags;
+ void *addr;
+ int ret = 0;
+ u64 start;
+ uint8_t *mem_ptr = NULL;
+ unsigned long mem_base;
+ unsigned long mem_page;
+
+ write_lock_irqsave(&adapter->adapter_lock, flags);
+
+ /*
+ * If attempting to access unknown address or straddle hw windows,
+ * do not access.
+ */
+ start = adapter->pci_set_window(adapter, off);
+ if ((start == -1UL) ||
+ (netxen_nic_pci_is_same_window(adapter, off+size-1) == 0)) {
+ write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ printk(KERN_ERR "%s out of bound pci memory access. "
+ "offset is 0x%llx\n", netxen_nic_driver_name, off);
+ return -1;
+ }
+
+ addr = (void *)(pci_base_offset(adapter, start));
+ if (!addr) {
+ write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ mem_base = pci_resource_start(adapter->pdev, 0);
+ mem_page = start & PAGE_MASK;
+ /* Map two pages whenever user tries to access addresses in two
+ * consecutive pages.
+ */
+ if (mem_page != ((start + size - 1) & PAGE_MASK))
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
+ else
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+ if (mem_ptr == 0UL)
+ return -1;
+ addr = mem_ptr;
+ addr += start & (PAGE_SIZE - 1);
+ write_lock_irqsave(&adapter->adapter_lock, flags);
+ }
+
+ switch (size) {
+ case 1:
+ writeb(*(uint8_t *)data, addr);
+ break;
+ case 2:
+ writew(*(uint16_t *)data, addr);
+ break;
+ case 4:
+ writel(*(uint32_t *)data, addr);
+ break;
+ case 8:
+ writeq(*(uint64_t *)data, addr);
+ break;
+ default:
+ ret = -1;
+ break;
+ }
+ write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ DPRINTK(1, INFO, "writing data %llx to offset %llx\n",
+ *(unsigned long long *)data, start);
+ if (mem_ptr)
+ iounmap(mem_ptr);
+ return ret;
+}
+
+#define MAX_CTL_CHECK 1000
+
+int
+netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
+ u64 off, void *data, int size)
+{
+ unsigned long flags, mem_crb;
+ int i, j, ret = 0, loop, sz[2], off0;
+ uint32_t temp;
+ uint64_t off8, tmpw, word[2] = {0, 0};
+
+ /*
+ * If not MN, go check for MS or invalid.
+ */
+ if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+ return netxen_nic_pci_mem_write_direct(adapter,
+ off, data, size);
+
+ off8 = off & 0xfffffff8;
+ off0 = off & 0x7;
+ sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+ sz[1] = size - sz[0];
+ loop = ((off0 + size - 1) >> 3) + 1;
+ mem_crb = (unsigned long)pci_base_offset(adapter, NETXEN_CRB_DDR_NET);
+
+ if ((size != 8) || (off0 != 0)) {
+ for (i = 0; i < loop; i++) {
+ if (adapter->pci_mem_read(adapter,
+ off8 + (i << 3), &word[i], 8))
+ return -1;
+ }
+ }
+
+ switch (size) {
+ case 1:
+ tmpw = *((uint8_t *)data);
+ break;
+ case 2:
+ tmpw = *((uint16_t *)data);
+ break;
+ case 4:
+ tmpw = *((uint32_t *)data);
+ break;
+ case 8:
+ default:
+ tmpw = *((uint64_t *)data);
+ break;
+ }
+ word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+ word[0] |= tmpw << (off0 * 8);
+
+ if (loop == 2) {
+ word[1] &= ~(~0ULL << (sz[1] * 8));
+ word[1] |= tmpw >> (sz[0] * 8);
+ }
+
+ write_lock_irqsave(&adapter->adapter_lock, flags);
+ netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+
+ for (i = 0; i < loop; i++) {
+ writel((uint32_t)(off8 + (i << 3)),
+ (void *)(mem_crb+MIU_TEST_AGT_ADDR_LO));
+ writel(0,
+ (void *)(mem_crb+MIU_TEST_AGT_ADDR_HI));
+ writel(word[i] & 0xffffffff,
+ (void *)(mem_crb+MIU_TEST_AGT_WRDATA_LO));
+ writel((word[i] >> 32) & 0xffffffff,
+ (void *)(mem_crb+MIU_TEST_AGT_WRDATA_HI));
+ writel(MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE,
+ (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+ writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE,
+ (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ temp = readl(
+ (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+ if ((temp & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ printk("%s: %s Fail to write through agent\n",
+ __func__, netxen_nic_driver_name);
+ ret = -1;
+ break;
+ }
+ }
+
+ netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+ write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ return ret;
+}
+
+int
+netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
+ u64 off, void *data, int size)
+{
+ unsigned long flags, mem_crb;
+ int i, j = 0, k, start, end, loop, sz[2], off0[2];
+ uint32_t temp;
+ uint64_t off8, val, word[2] = {0, 0};
+
+
+ /*
+ * If not MN, go check for MS or invalid.
+ */
+ if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+ return netxen_nic_pci_mem_read_direct(adapter, off, data, size);
+
+ off8 = off & 0xfffffff8;
+ off0[0] = off & 0x7;
+ off0[1] = 0;
+ sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
+ sz[1] = size - sz[0];
+ loop = ((off0[0] + size - 1) >> 3) + 1;
+ mem_crb = (unsigned long)pci_base_offset(adapter, NETXEN_CRB_DDR_NET);
+
+ write_lock_irqsave(&adapter->adapter_lock, flags);
+ netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+
+ for (i = 0; i < loop; i++) {
+ writel((uint32_t)(off8 + (i << 3)),
+ (void *)(mem_crb+MIU_TEST_AGT_ADDR_LO));
+ writel(0,
+ (void *)(mem_crb+MIU_TEST_AGT_ADDR_HI));
+ writel(MIU_TA_CTL_ENABLE,
+ (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+ writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE,
+ (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ temp = readl(
+ (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+ if ((temp & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ printk(KERN_ERR "%s: %s Fail to read through agent\n",
+ __func__, netxen_nic_driver_name);
+ break;
+ }
+
+ start = off0[i] >> 2;
+ end = (off0[i] + sz[i] - 1) >> 2;
+ for (k = start; k <= end; k++) {
+ word[i] |= ((uint64_t) readl(
+ (void *)(mem_crb +
+ MIU_TEST_AGT_RDDATA(k))) << (32*k));
+ }
+ }
+
+ netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+ write_unlock_irqrestore(&adapter->adapter_lock, flags);
+
+ if (j >= MAX_CTL_CHECK)
+ return -1;
+
+ if (sz[0] == 8) {
+ val = word[0];
+ } else {
+ val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+ ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+ }
+
+ switch (size) {
+ case 1:
+ *(uint8_t *)data = val;
+ break;
+ case 2:
+ *(uint16_t *)data = val;
+ break;
+ case 4:
+ *(uint32_t *)data = val;
+ break;
+ case 8:
+ *(uint64_t *)data = val;
+ break;
+ }
+ DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data);
+ return 0;
+}
+
+int
+netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
+ u64 off, void *data, int size)
+{
+ int i, j, ret = 0, loop, sz[2], off0;
+ uint32_t temp;
+ uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
+
+ /*
+ * If not MN, go check for MS or invalid.
+ */
+ if (off >= NETXEN_ADDR_QDR_NET && off <= NETXEN_ADDR_QDR_NET_MAX_P3)
+ mem_crb = NETXEN_CRB_QDR_NET;
+ else {
+ mem_crb = NETXEN_CRB_DDR_NET;
+ if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+ return netxen_nic_pci_mem_write_direct(adapter,
+ off, data, size);
+ }
+
+ off8 = off & 0xfffffff8;
+ off0 = off & 0x7;
+ sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+ sz[1] = size - sz[0];
+ loop = ((off0 + size - 1) >> 3) + 1;
+
+ if ((size != 8) || (off0 != 0)) {
+ for (i = 0; i < loop; i++) {
+ if (adapter->pci_mem_read(adapter, off8 + (i << 3),
+ &word[i], 8))
+ return -1;
+ }
+ }
+
+ switch (size) {
+ case 1:
+ tmpw = *((uint8_t *)data);
+ break;
+ case 2:
+ tmpw = *((uint16_t *)data);
+ break;
+ case 4:
+ tmpw = *((uint32_t *)data);
+ break;
+ case 8:
+ default:
+ tmpw = *((uint64_t *)data);
+ break;
+ }
+
+ word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+ word[0] |= tmpw << (off0 * 8);
+
+ if (loop == 2) {
+ word[1] &= ~(~0ULL << (sz[1] * 8));
+ word[1] |= tmpw >> (sz[0] * 8);
+ }
+
+ /*
+ * don't lock here - write_wx gets the lock if each time
+ * write_lock_irqsave(&adapter->adapter_lock, flags);
+ * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+ */
+
+ for (i = 0; i < loop; i++) {
+ temp = off8 + (i << 3);
+ adapter->hw_write_wx(adapter,
+ mem_crb+MIU_TEST_AGT_ADDR_LO, &temp, 4);
+ temp = 0;
+ adapter->hw_write_wx(adapter,
+ mem_crb+MIU_TEST_AGT_ADDR_HI, &temp, 4);
+ temp = word[i] & 0xffffffff;
+ adapter->hw_write_wx(adapter,
+ mem_crb+MIU_TEST_AGT_WRDATA_LO, &temp, 4);
+ temp = (word[i] >> 32) & 0xffffffff;
+ adapter->hw_write_wx(adapter,
+ mem_crb+MIU_TEST_AGT_WRDATA_HI, &temp, 4);
+ temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+ adapter->hw_write_wx(adapter,
+ mem_crb+MIU_TEST_AGT_CTRL, &temp, 4);
+ temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+ adapter->hw_write_wx(adapter,
+ mem_crb+MIU_TEST_AGT_CTRL, &temp, 4);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ adapter->hw_read_wx(adapter,
+ mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+ if ((temp & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ printk(KERN_ERR "%s: Fail to write through agent\n",
+ netxen_nic_driver_name);
+ ret = -1;
+ break;
+ }
+ }
+
+ /*
+ * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+ * write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ */
+ return ret;
+}
+
+int
+netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
+ u64 off, void *data, int size)
+{
+ int i, j = 0, k, start, end, loop, sz[2], off0[2];
+ uint32_t temp;
+ uint64_t off8, val, mem_crb, word[2] = {0, 0};
+
+ /*
+ * If not MN, go check for MS or invalid.
+ */
+
+ if (off >= NETXEN_ADDR_QDR_NET && off <= NETXEN_ADDR_QDR_NET_MAX_P3)
+ mem_crb = NETXEN_CRB_QDR_NET;
+ else {
+ mem_crb = NETXEN_CRB_DDR_NET;
+ if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+ return netxen_nic_pci_mem_read_direct(adapter,
+ off, data, size);
+ }
+
+ off8 = off & 0xfffffff8;
+ off0[0] = off & 0x7;
+ off0[1] = 0;
+ sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
+ sz[1] = size - sz[0];
+ loop = ((off0[0] + size - 1) >> 3) + 1;
+
+ /*
+ * don't lock here - write_wx gets the lock if each time
+ * write_lock_irqsave(&adapter->adapter_lock, flags);
+ * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+ */
+
+ for (i = 0; i < loop; i++) {
+ temp = off8 + (i << 3);
+ adapter->hw_write_wx(adapter,
+ mem_crb + MIU_TEST_AGT_ADDR_LO, &temp, 4);
+ temp = 0;
+ adapter->hw_write_wx(adapter,
+ mem_crb + MIU_TEST_AGT_ADDR_HI, &temp, 4);
+ temp = MIU_TA_CTL_ENABLE;
+ adapter->hw_write_wx(adapter,
+ mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+ temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+ adapter->hw_write_wx(adapter,
+ mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ adapter->hw_read_wx(adapter,
+ mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+ if ((temp & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ printk(KERN_ERR "%s: Fail to read through agent\n",
+ netxen_nic_driver_name);
+ break;
+ }
+
+ start = off0[i] >> 2;
+ end = (off0[i] + sz[i] - 1) >> 2;
+ for (k = start; k <= end; k++) {
+ adapter->hw_read_wx(adapter,
+ mem_crb + MIU_TEST_AGT_RDDATA(k), &temp, 4);
+ word[i] |= ((uint64_t)temp << (32 * k));
+ }
+ }
+
+ /*
+ * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+ * write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ */
+
+ if (j >= MAX_CTL_CHECK)
+ return -1;
+
+ if (sz[0] == 8) {
+ val = word[0];
+ } else {
+ val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+ ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+ }
+
+ switch (size) {
+ case 1:
+ *(uint8_t *)data = val;
+ break;
+ case 2:
+ *(uint16_t *)data = val;
+ break;
+ case 4:
+ *(uint32_t *)data = val;
+ break;
+ case 8:
+ *(uint64_t *)data = val;
+ break;
+ }
+ DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data);
+ return 0;
+}
+
+/*
+ * Note : only 32-bit writes!
+ */
+int netxen_nic_pci_write_immediate_2M(struct netxen_adapter *adapter,
+ u64 off, u32 data)
+{
+ adapter->hw_write_wx(adapter, off, &data, 4);
+
+ return 0;
+}
+
+u32 netxen_nic_pci_read_immediate_2M(struct netxen_adapter *adapter, u64 off)
+{
+ u32 temp;
+ adapter->hw_read_wx(adapter, off, &temp, 4);
+ return temp;
+}
+
+void netxen_nic_pci_write_normalize_2M(struct netxen_adapter *adapter,
+ u64 off, u32 data)
+{
+ adapter->hw_write_wx(adapter, off, &data, 4);
+}
+
+u32 netxen_nic_pci_read_normalize_2M(struct netxen_adapter *adapter, u64 off)
+{
+ u32 temp;
+ adapter->hw_read_wx(adapter, off, &temp, 4);
+ return temp;
+}
+
#if 0
int
netxen_nic_erase_pxe(struct netxen_adapter *adapter)
@@ -1006,19 +2147,10 @@ void netxen_nic_init_niu_gb(struct netxen_adapter *adapter)
}
void
-netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off,
- int data)
+netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
+ unsigned long off, int data)
{
- void __iomem *addr;
-
- if (ADDR_IN_WINDOW1(off)) {
- writel(data, NETXEN_CRB_NORMALIZE(adapter, off));
- } else {
- netxen_nic_pci_change_crbwindow(adapter, 0);
- addr = pci_base_offset(adapter, off);
- writel(data, addr);
- netxen_nic_pci_change_crbwindow(adapter, 1);
- }
+ adapter->hw_write_wx(adapter, off, &data, 4);
}
void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
@@ -1105,12 +2237,9 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter)
addr += sizeof(u32);
}
- fw_major = readl(NETXEN_CRB_NORMALIZE(adapter,
- NETXEN_FW_VERSION_MAJOR));
- fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter,
- NETXEN_FW_VERSION_MINOR));
- fw_build =
- readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB));
+ adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_MAJOR, &fw_major, 4);
+ adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_MINOR, &fw_minor, 4);
+ adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_SUB, &fw_build, 4);
if (adapter->portnum == 0) {
get_brd_name_by_type(board_info->board_type, brd_name);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-12 22:37:18 +0000