diff options
Diffstat (limited to 'target/linux/apm821xx/patches-4.4/701-powerpc_ibm_apm82181_phyclk_fix.patch')
| -rw-r--r-- | target/linux/apm821xx/patches-4.4/701-powerpc_ibm_apm82181_phyclk_fix.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/apm821xx/patches-4.4/701-powerpc_ibm_apm82181_phyclk_fix.patch b/target/linux/apm821xx/patches-4.4/701-powerpc_ibm_apm82181_phyclk_fix.patch new file mode 100644 index 0000000000..ec9de179a4 --- /dev/null +++ b/target/linux/apm821xx/patches-4.4/701-powerpc_ibm_apm82181_phyclk_fix.patch @@ -0,0 +1,56 @@ +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. |