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authorMichael Chan <mchan@broadcom.com>2006-09-27 16:10:14 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-28 18:01:42 -0700
commitb16250e3d1c55820f08f0296624a423122ea9805 (patch)
tree9559f4acd5e740b727c42e635699b7427f21d3c3 /drivers/net
parent715116a12610b67c1d301a9b845ce95f7247dad3 (diff)
downloadlinux-b16250e3d1c55820f08f0296624a423122ea9805.tar.bz2
[TG3]: Add 5709 self-test support.
Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/tg3.c123
-rw-r--r--drivers/net/tg3.h4
2 files changed, 111 insertions, 16 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 23f5744bdffa..21843de4a88a 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -3615,8 +3615,7 @@ static irqreturn_t tg3_test_isr(int irq, void *dev_id,
if ((sblk->status & SD_STATUS_UPDATED) ||
!(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
- tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
- 0x00000001);
+ tg3_disable_ints(tp);
return IRQ_RETVAL(1);
}
return IRQ_RETVAL(0);
@@ -6860,8 +6859,7 @@ static int tg3_request_irq(struct tg3 *tp)
static int tg3_test_interrupt(struct tg3 *tp)
{
struct net_device *dev = tp->dev;
- int err, i;
- u32 int_mbox = 0;
+ int err, i, intr_ok = 0;
if (!netif_running(dev))
return -ENODEV;
@@ -6882,10 +6880,18 @@ static int tg3_test_interrupt(struct tg3 *tp)
HOSTCC_MODE_NOW);
for (i = 0; i < 5; i++) {
+ u32 int_mbox, misc_host_ctrl;
+
int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
TG3_64BIT_REG_LOW);
- if (int_mbox != 0)
+ misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
+
+ if ((int_mbox != 0) ||
+ (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
+ intr_ok = 1;
break;
+ }
+
msleep(10);
}
@@ -6898,7 +6904,7 @@ static int tg3_test_interrupt(struct tg3 *tp)
if (err)
return err;
- if (int_mbox != 0)
+ if (intr_ok)
return 0;
return -EIO;
@@ -8288,6 +8294,8 @@ static void tg3_get_ethtool_stats (struct net_device *dev,
#define NVRAM_TEST_SIZE 0x100
#define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
+#define NVRAM_SELFBOOT_HW_SIZE 0x20
+#define NVRAM_SELFBOOT_DATA_SIZE 0x1c
static int tg3_test_nvram(struct tg3 *tp)
{
@@ -8299,12 +8307,14 @@ static int tg3_test_nvram(struct tg3 *tp)
if (magic == TG3_EEPROM_MAGIC)
size = NVRAM_TEST_SIZE;
- else if ((magic & 0xff000000) == 0xa5000000) {
+ else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
if ((magic & 0xe00000) == 0x200000)
size = NVRAM_SELFBOOT_FORMAT1_SIZE;
else
return 0;
- } else
+ } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
+ size = NVRAM_SELFBOOT_HW_SIZE;
+ else
return -EIO;
buf = kmalloc(size, GFP_KERNEL);
@@ -8323,7 +8333,8 @@ static int tg3_test_nvram(struct tg3 *tp)
goto out;
/* Selfboot format */
- if (cpu_to_be32(buf[0]) != TG3_EEPROM_MAGIC) {
+ if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
+ TG3_EEPROM_MAGIC_FW) {
u8 *buf8 = (u8 *) buf, csum8 = 0;
for (i = 0; i < size; i++)
@@ -8338,6 +8349,51 @@ static int tg3_test_nvram(struct tg3 *tp)
goto out;
}
+ if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
+ TG3_EEPROM_MAGIC_HW) {
+ u8 data[NVRAM_SELFBOOT_DATA_SIZE];
+ u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
+ u8 *buf8 = (u8 *) buf;
+ int j, k;
+
+ /* Separate the parity bits and the data bytes. */
+ for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
+ if ((i == 0) || (i == 8)) {
+ int l;
+ u8 msk;
+
+ for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
+ parity[k++] = buf8[i] & msk;
+ i++;
+ }
+ else if (i == 16) {
+ int l;
+ u8 msk;
+
+ for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
+ parity[k++] = buf8[i] & msk;
+ i++;
+
+ for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
+ parity[k++] = buf8[i] & msk;
+ i++;
+ }
+ data[j++] = buf8[i];
+ }
+
+ err = -EIO;
+ for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
+ u8 hw8 = hweight8(data[i]);
+
+ if ((hw8 & 0x1) && parity[i])
+ goto out;
+ else if (!(hw8 & 0x1) && !parity[i])
+ goto out;
+ }
+ err = 0;
+ goto out;
+ }
+
/* Bootstrap checksum at offset 0x10 */
csum = calc_crc((unsigned char *) buf, 0x10);
if(csum != cpu_to_le32(buf[0x10/4]))
@@ -8384,7 +8440,7 @@ static int tg3_test_link(struct tg3 *tp)
/* Only test the commonly used registers */
static int tg3_test_registers(struct tg3 *tp)
{
- int i, is_5705;
+ int i, is_5705, is_5750;
u32 offset, read_mask, write_mask, val, save_val, read_val;
static struct {
u16 offset;
@@ -8392,6 +8448,7 @@ static int tg3_test_registers(struct tg3 *tp)
#define TG3_FL_5705 0x1
#define TG3_FL_NOT_5705 0x2
#define TG3_FL_NOT_5788 0x4
+#define TG3_FL_NOT_5750 0x8
u32 read_mask;
u32 write_mask;
} reg_tbl[] = {
@@ -8502,9 +8559,9 @@ static int tg3_test_registers(struct tg3 *tp)
0xffffffff, 0x00000000 },
/* Buffer Manager Control Registers. */
- { BUFMGR_MB_POOL_ADDR, 0x0000,
+ { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
0x00000000, 0x007fff80 },
- { BUFMGR_MB_POOL_SIZE, 0x0000,
+ { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
0x00000000, 0x007fffff },
{ BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
0x00000000, 0x0000003f },
@@ -8530,10 +8587,12 @@ static int tg3_test_registers(struct tg3 *tp)
{ 0xffff, 0x0000, 0x00000000, 0x00000000 },
};
- if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
+ is_5705 = is_5750 = 0;
+ if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
is_5705 = 1;
- else
- is_5705 = 0;
+ if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
+ is_5750 = 1;
+ }
for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
@@ -8546,6 +8605,9 @@ static int tg3_test_registers(struct tg3 *tp)
(reg_tbl[i].flags & TG3_FL_NOT_5788))
continue;
+ if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
+ continue;
+
offset = (u32) reg_tbl[i].offset;
read_mask = reg_tbl[i].read_mask;
write_mask = reg_tbl[i].write_mask;
@@ -8637,6 +8699,13 @@ static int tg3_test_memory(struct tg3 *tp)
{ 0x00008000, 0x02000},
{ 0x00010000, 0x0c000},
{ 0xffffffff, 0x00000}
+ }, mem_tbl_5906[] = {
+ { 0x00000200, 0x00008},
+ { 0x00004000, 0x00400},
+ { 0x00006000, 0x00400},
+ { 0x00008000, 0x01000},
+ { 0x00010000, 0x01000},
+ { 0xffffffff, 0x00000}
};
struct mem_entry *mem_tbl;
int err = 0;
@@ -8646,6 +8715,8 @@ static int tg3_test_memory(struct tg3 *tp)
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
mem_tbl = mem_tbl_5755;
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+ mem_tbl = mem_tbl_5906;
else
mem_tbl = mem_tbl_5705;
} else
@@ -8691,6 +8762,21 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
} else if (loopback_mode == TG3_PHY_LOOPBACK) {
u32 val;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
+ u32 phytest;
+
+ if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
+ u32 phy;
+
+ tg3_writephy(tp, MII_TG3_EPHY_TEST,
+ phytest | MII_TG3_EPHY_SHADOW_EN);
+ if (!tg3_readphy(tp, 0x1b, &phy))
+ tg3_writephy(tp, 0x1b, phy & ~0x20);
+ if (!tg3_readphy(tp, 0x10, &phy))
+ tg3_writephy(tp, 0x10, phy & ~0x4000);
+ tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
+ }
+ }
val = BMCR_LOOPBACK | BMCR_FULLDPLX;
if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
val |= BMCR_SPEED100;
@@ -8699,6 +8785,9 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
tg3_writephy(tp, MII_BMCR, val);
udelay(40);
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+ tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
+
/* reset to prevent losing 1st rx packet intermittently */
if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
tw32_f(MAC_RX_MODE, RX_MODE_RESET);
@@ -9112,7 +9201,9 @@ static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
return;
- if ((magic != TG3_EEPROM_MAGIC) && ((magic & 0xff000000) != 0xa5000000))
+ if ((magic != TG3_EEPROM_MAGIC) &&
+ ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
+ ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
return;
/*
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 9259d12fabd9..92f53000bce6 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1507,6 +1507,10 @@
#define TG3_EEPROM_MAGIC 0x669955aa
+#define TG3_EEPROM_MAGIC_FW 0xa5000000
+#define TG3_EEPROM_MAGIC_FW_MSK 0xff000000
+#define TG3_EEPROM_MAGIC_HW 0xabcd
+#define TG3_EEPROM_MAGIC_HW_MSK 0xffff
/* 32K Window into NIC internal memory */
#define NIC_SRAM_WIN_BASE 0x00008000