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[TG3]: Add memory test 

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2005-05-29 14:58:36 -07:00 committed by David S. Miller
parent a71116d1f3
commit 7942e1dbd7
1 changed files with 60 additions and 0 deletions
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60
drivers/net/tg3.c
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@ -7520,6 +7520,62 @@ static int tg3_test_registers(struct tg3 *tp)
return -EIO;
}
static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
{
static u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
int i;
u32 j;
for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
for (j = 0; j < len; j += 4) {
u32 val;
tg3_write_mem(tp, offset + j, test_pattern[i]);
tg3_read_mem(tp, offset + j, &val);
if (val != test_pattern[i])
return -EIO;
}
}
return 0;
}
static int tg3_test_memory(struct tg3 *tp)
{
static struct mem_entry {
u32 offset;
u32 len;
} mem_tbl_570x[] = {
{ 0x00000000, 0x01000},
{ 0x00002000, 0x1c000},
{ 0xffffffff, 0x00000}
}, mem_tbl_5705[] = {
{ 0x00000100, 0x0000c},
{ 0x00000200, 0x00008},
{ 0x00000b50, 0x00400},
{ 0x00004000, 0x00800},
{ 0x00006000, 0x01000},
{ 0x00008000, 0x02000},
{ 0x00010000, 0x0e000},
{ 0xffffffff, 0x00000}
};
struct mem_entry *mem_tbl;
int err = 0;
int i;
if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
mem_tbl = mem_tbl_5705;
else
mem_tbl = mem_tbl_570x;
for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
mem_tbl[i].len)) != 0)
break;
}
return err;
}
static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
u64 *data)
{
@ -7553,6 +7609,10 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
etest->flags |= ETH_TEST_FL_FAILED;
data[2] = 1;
}
if (tg3_test_memory(tp) != 0) {
etest->flags |= ETH_TEST_FL_FAILED;
data[3] = 1;
}
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
if (netif_running(dev)) {