57 lines
2.2 KiB
Diff
57 lines
2.2 KiB
Diff
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diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c
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index 5d7db6c..01bed2e 100644
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--- a/drivers/net/ethernet/ibm/emac/core.c
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+++ b/drivers/net/ethernet/ibm/emac/core.c
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@@ -129,6 +129,7 @@ static inline void emac_report_timeout_error(struct emac_instance *dev,
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{
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if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX |
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EMAC_FTR_460EX_PHY_CLK_FIX |
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+ EMAC_FTR_APM821XX_PHY_CLK_FIX |
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EMAC_FTR_440EP_PHY_CLK_FIX))
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DBG(dev, "%s" NL, error);
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else if (net_ratelimit())
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@@ -146,6 +147,10 @@ static inline void emac_rx_clk_tx(struct emac_instance *dev)
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if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX))
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dcri_clrset(SDR0, SDR0_MFR,
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0, SDR0_MFR_ECS >> dev->cell_index);
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+
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+ if (emac_has_feature(dev, EMAC_FTR_APM821XX_PHY_CLK_FIX))
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+ dcri_clrset(SDR0, SDR0_ETH_CFG,
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+ 0, 0x00000100 >> dev->cell_index);
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#endif
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}
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@@ -155,6 +160,10 @@ static inline void emac_rx_clk_default(struct emac_instance *dev)
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if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX))
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dcri_clrset(SDR0, SDR0_MFR,
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SDR0_MFR_ECS >> dev->cell_index, 0);
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+
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+ if (emac_has_feature(dev, EMAC_FTR_APM821XX_PHY_CLK_FIX))
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+ dcri_clrset(SDR0, SDR0_ETH_CFG,
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+ 0x00000100 >> dev->cell_index, 0);
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#endif
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}
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@@ -2587,7 +2596,7 @@ static int emac_init_config(struct emac_instance *dev)
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if (of_device_is_compatible(np, "ibm,emac-apm821xx")) {
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dev->features |= (EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE |
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EMAC_FTR_APM821XX_NO_HALF_DUPLEX |
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- EMAC_FTR_460EX_PHY_CLK_FIX);
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+ EMAC_FTR_APM821XX_PHY_CLK_FIX);
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}
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} else if (of_device_is_compatible(np, "ibm,emac4")) {
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dev->features |= EMAC_FTR_EMAC4;
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diff --git a/drivers/net/ethernet/ibm/emac/core.h b/drivers/net/ethernet/ibm/emac/core.h
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index 93ae114..072176a 100644
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--- a/drivers/net/ethernet/ibm/emac/core.h
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+++ b/drivers/net/ethernet/ibm/emac/core.h
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@@ -333,6 +333,8 @@ struct emac_instance {
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*/
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#define EMAC_FTR_APM821XX_NO_HALF_DUPLEX 0x00001000
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+#define EMAC_FTR_APM821XX_PHY_CLK_FIX 0x000002000
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+
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/* Right now, we don't quite handle the always/possible masks on the
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* most optimal way as we don't have a way to say something like
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* always EMAC4. Patches welcome.
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