target/linux/bmips/patches-5.15/520-net-dsa-b53-add-bcm53134-support.patch

   1 From 8ec46b847fc64a40da5c2c891e1732c863703bb5 Mon Sep 17 00:00:00 2001
   2 From: Paul Geurts <paul.geurts@prodrive-technologies.com>
   3 Date: Wed, 22 Mar 2023 20:17:04 +0100
   4 Subject: [PATCH] net: dsa: b53: mdio: add support for BCM53134
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 Add support for the BCM53134 Ethernet switch in the existing b53 dsa driver.
  10 The BCM53134 is very familiar to the BCM58XX series.
  11
  12 Signed-off-by: Paul Geurts <paul.geurts@prodrive-technologies.com>
  13 Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
  14 ---
  15  drivers/net/dsa/b53/b53_common.c | 15 +++++++++++++++
  16  drivers/net/dsa/b53/b53_mdio.c   |  5 ++++-
  17  drivers/net/dsa/b53/b53_priv.h   |  4 +++-
  18  3 files changed, 22 insertions(+), 2 deletions(-)
  19
  20 --- a/drivers/net/dsa/b53/b53_common.c
  21 +++ b/drivers/net/dsa/b53/b53_common.c
  22 @@ -2609,6 +2609,20 @@ static const struct b53_chip_data b53_sw
  23                 .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
  24                 .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
  25         },
  26 +       {
  27 +               .chip_id = BCM53134_DEVICE_ID,
  28 +               .dev_name = "BCM53134",
  29 +               .vlans = 4096,
  30 +               .enabled_ports = 0x12f,
  31 +               .imp_port = 8,
  32 +               .cpu_port = B53_CPU_PORT,
  33 +               .vta_regs = B53_VTA_REGS,
  34 +               .arl_bins = 4,
  35 +               .arl_buckets = 1024,
  36 +               .duplex_reg = B53_DUPLEX_STAT_GE,
  37 +               .jumbo_pm_reg = B53_JUMBO_PORT_MASK,
  38 +               .jumbo_size_reg = B53_JUMBO_MAX_SIZE,
  39 +       },
  40  };
  41
  42  static int b53_switch_init(struct b53_device *dev)
  43 @@ -2785,6 +2799,7 @@ int b53_switch_detect(struct b53_device
  44                 case BCM53012_DEVICE_ID:
  45                 case BCM53018_DEVICE_ID:
  46                 case BCM53019_DEVICE_ID:
  47 +               case BCM53134_DEVICE_ID:
  48                         dev->chip_id = id32;
  49                         break;
  50                 default:
  51 --- a/drivers/net/dsa/b53/b53_mdio.c
  52 +++ b/drivers/net/dsa/b53/b53_mdio.c
  53 @@ -286,6 +286,7 @@ static const struct b53_io_ops b53_mdio_
  54  #define B53_BRCM_OUI_2 0x03625c00
  55  #define B53_BRCM_OUI_3 0x00406000
  56  #define B53_BRCM_OUI_4 0x01410c00
  57 +#define B53_BRCM_OUI_5 0xae025000
  58
  59  static int b53_mdio_probe(struct mdio_device *mdiodev)
  60  {
  61 @@ -313,7 +314,8 @@ static int b53_mdio_probe(struct mdio_de
  62         if ((phy_id & 0xfffffc00) != B53_BRCM_OUI_1 &&
  63             (phy_id & 0xfffffc00) != B53_BRCM_OUI_2 &&
  64             (phy_id & 0xfffffc00) != B53_BRCM_OUI_3 &&
  65 -           (phy_id & 0xfffffc00) != B53_BRCM_OUI_4) {
  66 +           (phy_id & 0xfffffc00) != B53_BRCM_OUI_4 &&
  67 +           (phy_id & 0xfffffc00) != B53_BRCM_OUI_5) {
  68                 dev_err(&mdiodev->dev, "Unsupported device: 0x%08x\n", phy_id);
  69                 return -ENODEV;
  70         }
  71 @@ -377,6 +379,7 @@ static const struct of_device_id b53_of_
  72         { .compatible = "brcm,bcm53115" },
  73         { .compatible = "brcm,bcm53125" },
  74         { .compatible = "brcm,bcm53128" },
  75 +       { .compatible = "brcm,bcm53134" },
  76         { .compatible = "brcm,bcm5365" },
  77         { .compatible = "brcm,bcm5389" },
  78         { .compatible = "brcm,bcm5395" },
  79 --- a/drivers/net/dsa/b53/b53_priv.h
  80 +++ b/drivers/net/dsa/b53/b53_priv.h
  81 @@ -85,6 +85,7 @@ enum {
  82         BCM583XX_DEVICE_ID = 0x58300,
  83         BCM7445_DEVICE_ID = 0x7445,
  84         BCM7278_DEVICE_ID = 0x7278,
  85 +       BCM53134_DEVICE_ID = 0x5075,
  86  };
  87
  88  #define B53_N_PORTS    9
  89 @@ -210,7 +211,8 @@ static inline int is58xx(struct b53_devi
  90         return dev->chip_id == BCM58XX_DEVICE_ID ||
  91                 dev->chip_id == BCM583XX_DEVICE_ID ||
  92                 dev->chip_id == BCM7445_DEVICE_ID ||
  93 -               dev->chip_id == BCM7278_DEVICE_ID;
  94 +               dev->chip_id == BCM7278_DEVICE_ID ||
  95 +               dev->chip_id == BCM53134_DEVICE_ID;
  96  }
  97
  98  #define B53_63XX_RGMII0        4