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freifunkist-firmware/target/linux/apm821xx/patches-4.4/701-powerpc_ibm_apm82181_ph...

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2.2 KiB

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