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525.85.12

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This commit is contained in:
Maneet Singh
2023-01-30 16:30:12 -08:00
parent 811073c51e
commit 1dc88ff75e
11 changed files with 154 additions and 73 deletions
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81
src/common/nvswitch/kernel/ls10/link_ls10.c
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@@ -496,34 +496,6 @@ nvswitch_corelib_get_rx_detect_ls10
return NVL_SUCCESS;
}
static NvBool
_nvswitch_is_tlc_in_reset
(
nvswitch_device *device,
nvlink_link *link
)
{
NvU32 clkStatus;
clkStatus = NVSWITCH_LINK_RD32_LS10(device, link->linkNumber,
NVLIPT_LNK, _NVLIPT_LNK, _CTRL_CLK_CTRL);
//
// TLC is in reset if any of the per-link clocks are off
// -- if TX and RX clocks are off then link is not powered on
// -- if TX/RX clocks are on but NCISOC clock is off, DL layer
// is on but TLC is still off
//
if (FLD_TEST_DRF(_NVLIPT_LNK, _CTRL_CLK_CTRL, _RXCLK_STS, _OFF, clkStatus) ||
FLD_TEST_DRF(_NVLIPT_LNK, _CTRL_CLK_CTRL, _TXCLK_STS, _OFF, clkStatus) ||
FLD_TEST_DRF(_NVLIPT_LNK, _CTRL_CLK_CTRL, _NCISOCCLK_STS, _OFF, clkStatus))
{
return NV_TRUE;
}
return NV_FALSE;
}
void
nvswitch_reset_persistent_link_hw_state_ls10
(
@@ -531,6 +503,8 @@ nvswitch_reset_persistent_link_hw_state_ls10
NvU32 linkNumber
)
{
NvU32 clocksMask = NVSWITCH_PER_LINK_CLOCK_SET(RXCLK)|NVSWITCH_PER_LINK_CLOCK_SET(TXCLK)|
NVSWITCH_PER_LINK_CLOCK_SET(NCISOCCLK);
nvlink_link *link = nvswitch_get_link(device, linkNumber);
if (nvswitch_is_link_in_reset(device, link))
{
@@ -541,7 +515,8 @@ nvswitch_reset_persistent_link_hw_state_ls10
(void)nvswitch_minion_send_command(device, linkNumber, NV_MINION_NVLINK_DL_CMD_COMMAND_DLSTAT_CLR_DLERRCNT, 0);
// If TLC is not up then return
if (_nvswitch_is_tlc_in_reset(device, link))
if (!nvswitch_are_link_clocks_on_ls10(device, link, clocksMask))
{
return;
}
@@ -1583,3 +1558,51 @@ nvswitch_reset_and_train_link_ls10
return NVL_SUCCESS;
}
NvBool
nvswitch_are_link_clocks_on_ls10
(
nvswitch_device *device,
nvlink_link *link,
NvU32 clocksMask
)
{
NvU32 clockStatus;
NvU32 clk;
NvBool bIsOff = NV_FALSE;
clockStatus = NVSWITCH_LINK_RD32_LS10(device, link->linkNumber,
NVLIPT_LNK, _NVLIPT_LNK, _CTRL_CLK_CTRL);
FOR_EACH_INDEX_IN_MASK(32, clk, clocksMask)
{
switch(clk)
{
case NVSWITCH_PER_LINK_CLOCK_RXCLK:
{
bIsOff = FLD_TEST_DRF(_NVLIPT_LNK, _CTRL_CLK_CTRL, _RXCLK_STS, _OFF, clockStatus);
break;
}
case NVSWITCH_PER_LINK_CLOCK_TXCLK:
{
bIsOff = FLD_TEST_DRF(_NVLIPT_LNK, _CTRL_CLK_CTRL, _TXCLK_STS, _OFF, clockStatus);
break;
}
case NVSWITCH_PER_LINK_CLOCK_NCISOCCLK:
{
bIsOff = FLD_TEST_DRF(_NVLIPT_LNK, _CTRL_CLK_CTRL, _NCISOCCLK_STS, _OFF, clockStatus);
break;
}
default:
return NV_FALSE;
}
if (bIsOff)
{
return NV_FALSE;
}
}
FOR_EACH_INDEX_IN_MASK_END;
return NV_TRUE;
}