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773-bgmac-add-srab-switch.patch 3.5 KB

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  1. From 3cb240533ab787899dc7f17aa7d6c5b4810e2e58 Mon Sep 17 00:00:00 2001
  2. From: Hauke Mehrtens <[email protected]>
  3. Date: Fri, 7 Jul 2017 17:26:01 +0200
  4. Subject: bcm53xx: bgmac: use srab switch driver
  5. use the srab switch driver on these SoCs.
  6. Signed-off-by: Hauke Mehrtens <[email protected]>
  7. ---
  8. drivers/net/ethernet/broadcom/bgmac-bcma.c | 1 +
  9. drivers/net/ethernet/broadcom/bgmac.c | 24 ++++++++++++++++++++++++
  10. drivers/net/ethernet/broadcom/bgmac.h | 4 ++++
  11. 3 files changed, 29 insertions(+)
  12. Index: linux-4.9.34/drivers/net/ethernet/broadcom/bgmac-bcma.c
  13. ===================================================================
  14. --- linux-4.9.34.orig/drivers/net/ethernet/broadcom/bgmac-bcma.c
  15. +++ linux-4.9.34/drivers/net/ethernet/broadcom/bgmac-bcma.c
  16. @@ -230,6 +230,7 @@ static int bgmac_probe(struct bcma_devic
  17. bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
  18. bgmac->feature_flags |= BGMAC_FEAT_NO_RESET;
  19. bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500;
  20. + bgmac->feature_flags |= BGMAC_FEAT_SRAB;
  21. break;
  22. case BCMA_CHIP_ID_BCM53573:
  23. bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
  24. Index: linux-4.9.34/drivers/net/ethernet/broadcom/bgmac.c
  25. ===================================================================
  26. --- linux-4.9.34.orig/drivers/net/ethernet/broadcom/bgmac.c
  27. +++ linux-4.9.34/drivers/net/ethernet/broadcom/bgmac.c
  28. @@ -11,6 +11,7 @@
  29. #include <linux/bcma/bcma.h>
  30. #include <linux/etherdevice.h>
  31. +#include <linux/platform_data/b53.h>
  32. #include <linux/bcm47xx_nvram.h>
  33. #include "bgmac.h"
  34. @@ -1387,6 +1388,17 @@ static const struct ethtool_ops bgmac_et
  35. .set_link_ksettings = phy_ethtool_set_link_ksettings,
  36. };
  37. +static struct b53_platform_data bgmac_b53_pdata = {
  38. +};
  39. +
  40. +static struct platform_device bgmac_b53_dev = {
  41. + .name = "b53-srab-switch",
  42. + .id = -1,
  43. + .dev = {
  44. + .platform_data = &bgmac_b53_pdata,
  45. + },
  46. +};
  47. +
  48. /**************************************************
  49. * MII
  50. **************************************************/
  51. @@ -1533,6 +1545,14 @@ int bgmac_enet_probe(struct bgmac *bgmac
  52. net_dev->hw_features = net_dev->features;
  53. net_dev->vlan_features = net_dev->features;
  54. + if ((bgmac->feature_flags & BGMAC_FEAT_SRAB) && !bgmac_b53_pdata.regs) {
  55. + bgmac_b53_pdata.regs = ioremap_nocache(0x18007000, 0x1000);
  56. +
  57. + err = platform_device_register(&bgmac_b53_dev);
  58. + if (!err)
  59. + bgmac->b53_device = &bgmac_b53_dev;
  60. + }
  61. +
  62. err = register_netdev(bgmac->net_dev);
  63. if (err) {
  64. dev_err(bgmac->dev, "Cannot register net device\n");
  65. @@ -1555,6 +1575,10 @@ EXPORT_SYMBOL_GPL(bgmac_enet_probe);
  66. void bgmac_enet_remove(struct bgmac *bgmac)
  67. {
  68. + if (bgmac->b53_device)
  69. + platform_device_unregister(&bgmac_b53_dev);
  70. + bgmac->b53_device = NULL;
  71. +
  72. unregister_netdev(bgmac->net_dev);
  73. phy_disconnect(bgmac->net_dev->phydev);
  74. netif_napi_del(&bgmac->napi);
  75. Index: linux-4.9.34/drivers/net/ethernet/broadcom/bgmac.h
  76. ===================================================================
  77. --- linux-4.9.34.orig/drivers/net/ethernet/broadcom/bgmac.h
  78. +++ linux-4.9.34/drivers/net/ethernet/broadcom/bgmac.h
  79. @@ -409,6 +409,7 @@
  80. #define BGMAC_FEAT_CC4_IF_SW_TYPE BIT(17)
  81. #define BGMAC_FEAT_CC4_IF_SW_TYPE_RGMII BIT(18)
  82. #define BGMAC_FEAT_CC7_IF_TYPE_RGMII BIT(19)
  83. +#define BGMAC_FEAT_SRAB BIT(20)
  84. struct bgmac_slot_info {
  85. union {
  86. @@ -513,6 +514,9 @@ struct bgmac {
  87. u32 (*get_bus_clock)(struct bgmac *bgmac);
  88. void (*cmn_maskset32)(struct bgmac *bgmac, u16 offset, u32 mask,
  89. u32 set);
  90. +
  91. + /* platform device for associated switch */
  92. + struct platform_device *b53_device;
  93. };
  94. struct bgmac *bgmac_alloc(struct device *dev);