Commit a71116d1 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller

[TG3]: Add register test

Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 944d980e
......@@ -7307,6 +7307,219 @@ static int tg3_test_link(struct tg3 *tp)
return -EIO;
}
/* Only test the commonly used registers */
static int tg3_test_registers(struct tg3 *tp)
{
int i, is_5705;
u32 offset, read_mask, write_mask, val, save_val, read_val;
static struct {
u16 offset;
u16 flags;
#define TG3_FL_5705 0x1
#define TG3_FL_NOT_5705 0x2
#define TG3_FL_NOT_5788 0x4
u32 read_mask;
u32 write_mask;
} reg_tbl[] = {
/* MAC Control Registers */
{ MAC_MODE, TG3_FL_NOT_5705,
0x00000000, 0x00ef6f8c },
{ MAC_MODE, TG3_FL_5705,
0x00000000, 0x01ef6b8c },
{ MAC_STATUS, TG3_FL_NOT_5705,
0x03800107, 0x00000000 },
{ MAC_STATUS, TG3_FL_5705,
0x03800100, 0x00000000 },
{ MAC_ADDR_0_HIGH, 0x0000,
0x00000000, 0x0000ffff },
{ MAC_ADDR_0_LOW, 0x0000,
0x00000000, 0xffffffff },
{ MAC_RX_MTU_SIZE, 0x0000,
0x00000000, 0x0000ffff },
{ MAC_TX_MODE, 0x0000,
0x00000000, 0x00000070 },
{ MAC_TX_LENGTHS, 0x0000,
0x00000000, 0x00003fff },
{ MAC_RX_MODE, TG3_FL_NOT_5705,
0x00000000, 0x000007fc },
{ MAC_RX_MODE, TG3_FL_5705,
0x00000000, 0x000007dc },
{ MAC_HASH_REG_0, 0x0000,
0x00000000, 0xffffffff },
{ MAC_HASH_REG_1, 0x0000,
0x00000000, 0xffffffff },
{ MAC_HASH_REG_2, 0x0000,
0x00000000, 0xffffffff },
{ MAC_HASH_REG_3, 0x0000,
0x00000000, 0xffffffff },
/* Receive Data and Receive BD Initiator Control Registers. */
{ RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
0x00000000, 0x00000003 },
{ RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ RCVDBDI_STD_BD+0, 0x0000,
0x00000000, 0xffffffff },
{ RCVDBDI_STD_BD+4, 0x0000,
0x00000000, 0xffffffff },
{ RCVDBDI_STD_BD+8, 0x0000,
0x00000000, 0xffff0002 },
{ RCVDBDI_STD_BD+0xc, 0x0000,
0x00000000, 0xffffffff },
/* Receive BD Initiator Control Registers. */
{ RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ RCVBDI_STD_THRESH, TG3_FL_5705,
0x00000000, 0x000003ff },
{ RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
/* Host Coalescing Control Registers. */
{ HOSTCC_MODE, TG3_FL_NOT_5705,
0x00000000, 0x00000004 },
{ HOSTCC_MODE, TG3_FL_5705,
0x00000000, 0x000000f6 },
{ HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_RXCOL_TICKS, TG3_FL_5705,
0x00000000, 0x000003ff },
{ HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_TXCOL_TICKS, TG3_FL_5705,
0x00000000, 0x000003ff },
{ HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
0x00000000, 0x000000ff },
{ HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
0x00000000, 0x000000ff },
{ HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
0x00000000, 0x000000ff },
{ HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
0x00000000, 0x000000ff },
{ HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
0x00000000, 0xffffffff },
{ HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
0x00000000, 0xffffffff },
{ HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
0x00000000, 0xffffffff },
{ HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
0xffffffff, 0x00000000 },
{ HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
0xffffffff, 0x00000000 },
/* Buffer Manager Control Registers. */
{ BUFMGR_MB_POOL_ADDR, 0x0000,
0x00000000, 0x007fff80 },
{ BUFMGR_MB_POOL_SIZE, 0x0000,
0x00000000, 0x007fffff },
{ BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
0x00000000, 0x0000003f },
{ BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
0x00000000, 0x000001ff },
{ BUFMGR_MB_HIGH_WATER, 0x0000,
0x00000000, 0x000001ff },
{ BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
0xffffffff, 0x00000000 },
{ BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
0xffffffff, 0x00000000 },
/* Mailbox Registers */
{ GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
0x00000000, 0x000001ff },
{ GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
0x00000000, 0x000001ff },
{ GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
0x00000000, 0x000007ff },
{ GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
0x00000000, 0x000001ff },
{ 0xffff, 0x0000, 0x00000000, 0x00000000 },
};
if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
is_5705 = 1;
else
is_5705 = 0;
for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
continue;
if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
continue;
if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
(reg_tbl[i].flags & TG3_FL_NOT_5788))
continue;
offset = (u32) reg_tbl[i].offset;
read_mask = reg_tbl[i].read_mask;
write_mask = reg_tbl[i].write_mask;
/* Save the original register content */
save_val = tr32(offset);
/* Determine the read-only value. */
read_val = save_val & read_mask;
/* Write zero to the register, then make sure the read-only bits
* are not changed and the read/write bits are all zeros.
*/
tw32(offset, 0);
val = tr32(offset);
/* Test the read-only and read/write bits. */
if (((val & read_mask) != read_val) || (val & write_mask))
goto out;
/* Write ones to all the bits defined by RdMask and WrMask, then
* make sure the read-only bits are not changed and the
* read/write bits are all ones.
*/
tw32(offset, read_mask | write_mask);
val = tr32(offset);
/* Test the read-only bits. */
if ((val & read_mask) != read_val)
goto out;
/* Test the read/write bits. */
if ((val & write_mask) != write_mask)
goto out;
tw32(offset, save_val);
}
return 0;
out:
printk(KERN_ERR PFX "Register test failed at offset %x\n", offset);
tw32(offset, save_val);
return -EIO;
}
static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
u64 *data)
{
......@@ -7322,6 +7535,34 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
etest->flags |= ETH_TEST_FL_FAILED;
data[1] = 1;
}
if (etest->flags & ETH_TEST_FL_OFFLINE) {
if (netif_running(dev))
tg3_netif_stop(tp);
spin_lock_irq(&tp->lock);
spin_lock(&tp->tx_lock);
tg3_halt(tp, RESET_KIND_SUSPEND, 1);
tg3_nvram_lock(tp);
tg3_halt_cpu(tp, RX_CPU_BASE);
if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
tg3_halt_cpu(tp, TX_CPU_BASE);
tg3_nvram_unlock(tp);
if (tg3_test_registers(tp) != 0) {
etest->flags |= ETH_TEST_FL_FAILED;
data[2] = 1;
}
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
if (netif_running(dev)) {
tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
tg3_init_hw(tp);
tg3_netif_start(tp);
}
spin_unlock(&tp->tx_lock);
spin_unlock_irq(&tp->lock);
}
}
static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
......
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