701-powerpc_ibm_apm82181_phyclk_fix.patch 2.2 KB

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  1. diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c
  2. index 5d7db6c..01bed2e 100644
  3. --- a/drivers/net/ethernet/ibm/emac/core.c
  4. +++ b/drivers/net/ethernet/ibm/emac/core.c
  5. @@ -129,6 +129,7 @@ static inline void emac_report_timeout_error(struct emac_instance *dev,
  6. {
  7. if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX |
  8. EMAC_FTR_460EX_PHY_CLK_FIX |
  9. + EMAC_FTR_APM821XX_PHY_CLK_FIX |
  10. EMAC_FTR_440EP_PHY_CLK_FIX))
  11. DBG(dev, "%s" NL, error);
  12. else if (net_ratelimit())
  13. @@ -146,6 +147,10 @@ static inline void emac_rx_clk_tx(struct emac_instance *dev)
  14. if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX))
  15. dcri_clrset(SDR0, SDR0_MFR,
  16. 0, SDR0_MFR_ECS >> dev->cell_index);
  17. +
  18. + if (emac_has_feature(dev, EMAC_FTR_APM821XX_PHY_CLK_FIX))
  19. + dcri_clrset(SDR0, SDR0_ETH_CFG,
  20. + 0, 0x00000100 >> dev->cell_index);
  21. #endif
  22. }
  23. @@ -155,6 +160,10 @@ static inline void emac_rx_clk_default(struct emac_instance *dev)
  24. if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX))
  25. dcri_clrset(SDR0, SDR0_MFR,
  26. SDR0_MFR_ECS >> dev->cell_index, 0);
  27. +
  28. + if (emac_has_feature(dev, EMAC_FTR_APM821XX_PHY_CLK_FIX))
  29. + dcri_clrset(SDR0, SDR0_ETH_CFG,
  30. + 0x00000100 >> dev->cell_index, 0);
  31. #endif
  32. }
  33. @@ -2587,7 +2596,7 @@ static int emac_init_config(struct emac_instance *dev)
  34. if (of_device_is_compatible(np, "ibm,emac-apm821xx")) {
  35. dev->features |= (EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE |
  36. EMAC_FTR_APM821XX_NO_HALF_DUPLEX |
  37. - EMAC_FTR_460EX_PHY_CLK_FIX);
  38. + EMAC_FTR_APM821XX_PHY_CLK_FIX);
  39. }
  40. } else if (of_device_is_compatible(np, "ibm,emac4")) {
  41. dev->features |= EMAC_FTR_EMAC4;
  42. diff --git a/drivers/net/ethernet/ibm/emac/core.h b/drivers/net/ethernet/ibm/emac/core.h
  43. index 93ae114..072176a 100644
  44. --- a/drivers/net/ethernet/ibm/emac/core.h
  45. +++ b/drivers/net/ethernet/ibm/emac/core.h
  46. @@ -333,6 +333,8 @@ struct emac_instance {
  47. */
  48. #define EMAC_FTR_APM821XX_NO_HALF_DUPLEX 0x00001000
  49. +#define EMAC_FTR_APM821XX_PHY_CLK_FIX 0x000002000
  50. +
  51. /* Right now, we don't quite handle the always/possible masks on the
  52. * most optimal way as we don't have a way to say something like
  53. * always EMAC4. Patches welcome.