imx6: add 4.4 support
[openwrt.git] / target / linux / imx6 / patches-4.4 / 203-net-igb-add-phy-read-write-functions-that-accept-phy.patch
diff --git a/target/linux/imx6/patches-4.4/203-net-igb-add-phy-read-write-functions-that-accept-phy.patch b/target/linux/imx6/patches-4.4/203-net-igb-add-phy-read-write-functions-that-accept-phy.patch
new file mode 100644 (file)
index 0000000..9d19af5
--- /dev/null
@@ -0,0 +1,260 @@
+From 16df7dc5901c1cb2a40f6adbd0d9423768ed8210 Mon Sep 17 00:00:00 2001
+From: Tim Harvey <tharvey@gateworks.com>
+Date: Thu, 15 May 2014 00:29:18 -0700
+Subject: [PATCH] net: igb: add phy read/write functions that accept phy addr
+
+Add igb_write_reg_gs40g/igb_read_reg_gs40g that can be passed a phy address.
+The existing igb_write_phy_reg_gs40g/igb_read_phy_reg_gs40g become wrappers
+to this function.
+
+Signed-off-by: Tim Harvey <tharvey@gateworks.com>
+---
+ drivers/net/ethernet/intel/igb/e1000_82575.c |  4 +-
+ drivers/net/ethernet/intel/igb/e1000_phy.c   | 74 +++++++++++++++++++---------
+ drivers/net/ethernet/intel/igb/e1000_phy.h   |  6 ++-
+ 3 files changed, 58 insertions(+), 26 deletions(-)
+
+--- a/drivers/net/ethernet/intel/igb/e1000_82575.c
++++ b/drivers/net/ethernet/intel/igb/e1000_82575.c
+@@ -2153,7 +2153,7 @@ static s32 igb_read_phy_reg_82580(struct
+       if (ret_val)
+               goto out;
+-      ret_val = igb_read_phy_reg_mdic(hw, offset, data);
++      ret_val = igb_read_phy_reg_mdic(hw, hw->phy.addr, offset, data);
+       hw->phy.ops.release(hw);
+@@ -2178,7 +2178,7 @@ static s32 igb_write_phy_reg_82580(struc
+       if (ret_val)
+               goto out;
+-      ret_val = igb_write_phy_reg_mdic(hw, offset, data);
++      ret_val = igb_write_phy_reg_mdic(hw, hw->phy.addr, offset, data);
+       hw->phy.ops.release(hw);
+--- a/drivers/net/ethernet/intel/igb/e1000_phy.c
++++ b/drivers/net/ethernet/intel/igb/e1000_phy.c
+@@ -126,9 +126,8 @@ out:
+  *  Reads the MDI control regsiter in the PHY at offset and stores the
+  *  information read to data.
+  **/
+-s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
++s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u8 addr, u32 offset, u16 *data)
+ {
+-      struct e1000_phy_info *phy = &hw->phy;
+       u32 i, mdicnfg, mdic = 0;
+       s32 ret_val = 0;
+@@ -147,14 +146,14 @@ s32 igb_read_phy_reg_mdic(struct e1000_h
+       case e1000_i211:
+               mdicnfg = rd32(E1000_MDICNFG);
+               mdicnfg &= ~(E1000_MDICNFG_PHY_MASK);
+-              mdicnfg |= (phy->addr << E1000_MDICNFG_PHY_SHIFT);
++              mdicnfg |= (addr << E1000_MDICNFG_PHY_SHIFT);
+               wr32(E1000_MDICNFG, mdicnfg);
+               mdic = ((offset << E1000_MDIC_REG_SHIFT) |
+                       (E1000_MDIC_OP_READ));
+               break;
+       default:
+               mdic = ((offset << E1000_MDIC_REG_SHIFT) |
+-                      (phy->addr << E1000_MDIC_PHY_SHIFT) |
++                      (addr << E1000_MDIC_PHY_SHIFT) |
+                       (E1000_MDIC_OP_READ));
+               break;
+       }
+@@ -208,9 +207,8 @@ out:
+  *
+  *  Writes data to MDI control register in the PHY at offset.
+  **/
+-s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
++s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u8 addr, u32 offset, u16 data)
+ {
+-      struct e1000_phy_info *phy = &hw->phy;
+       u32 i, mdicnfg, mdic = 0;
+       s32 ret_val = 0;
+@@ -229,7 +227,7 @@ s32 igb_write_phy_reg_mdic(struct e1000_
+               case e1000_i211:
+                       mdicnfg = rd32(E1000_MDICNFG);
+                       mdicnfg &= ~(E1000_MDICNFG_PHY_MASK);
+-                      mdicnfg |= (phy->addr << E1000_MDICNFG_PHY_SHIFT);
++                      mdicnfg |= (addr << E1000_MDICNFG_PHY_SHIFT);
+                       wr32(E1000_MDICNFG, mdicnfg);
+                       mdic = (((u32)data) |
+                               (offset << E1000_MDIC_REG_SHIFT) |
+@@ -238,7 +236,7 @@ s32 igb_write_phy_reg_mdic(struct e1000_
+               default:
+                       mdic = (((u32)data) |
+                               (offset << E1000_MDIC_REG_SHIFT) |
+-                              (phy->addr << E1000_MDIC_PHY_SHIFT) |
++                              (addr << E1000_MDIC_PHY_SHIFT) |
+                               (E1000_MDIC_OP_WRITE));
+                       break;
+       }
+@@ -458,7 +456,7 @@ s32 igb_read_phy_reg_igp(struct e1000_hw
+               goto out;
+       if (offset > MAX_PHY_MULTI_PAGE_REG) {
+-              ret_val = igb_write_phy_reg_mdic(hw,
++              ret_val = igb_write_phy_reg_mdic(hw, hw->phy.addr,
+                                                IGP01E1000_PHY_PAGE_SELECT,
+                                                (u16)offset);
+               if (ret_val) {
+@@ -467,8 +465,8 @@ s32 igb_read_phy_reg_igp(struct e1000_hw
+               }
+       }
+-      ret_val = igb_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
+-                                      data);
++      ret_val = igb_read_phy_reg_mdic(hw, hw->phy.addr,
++                                      MAX_PHY_REG_ADDRESS & offset, data);
+       hw->phy.ops.release(hw);
+@@ -497,7 +495,7 @@ s32 igb_write_phy_reg_igp(struct e1000_h
+               goto out;
+       if (offset > MAX_PHY_MULTI_PAGE_REG) {
+-              ret_val = igb_write_phy_reg_mdic(hw,
++              ret_val = igb_write_phy_reg_mdic(hw, hw->phy.addr,
+                                                IGP01E1000_PHY_PAGE_SELECT,
+                                                (u16)offset);
+               if (ret_val) {
+@@ -506,8 +504,8 @@ s32 igb_write_phy_reg_igp(struct e1000_h
+               }
+       }
+-      ret_val = igb_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
+-                                       data);
++      ret_val = igb_write_phy_reg_mdic(hw, hw->phy.addr,
++                                       MAX_PHY_REG_ADDRESS & offset, data);
+       hw->phy.ops.release(hw);
+@@ -2547,8 +2545,9 @@ out:
+ }
+ /**
+- *  igb_write_phy_reg_gs40g - Write GS40G PHY register
++ *  igb_write_reg_gs40g - Write GS40G PHY register
+  *  @hw: pointer to the HW structure
++ *  @addr: phy address to write to
+  *  @offset: lower half is register offset to write to
+  *     upper half is page to use.
+  *  @data: data to write at register offset
+@@ -2556,7 +2555,7 @@ out:
+  *  Acquires semaphore, if necessary, then writes the data to PHY register
+  *  at the offset.  Release any acquired semaphores before exiting.
+  **/
+-s32 igb_write_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 data)
++s32 igb_write_reg_gs40g(struct e1000_hw *hw, u8 addr, u32 offset, u16 data)
+ {
+       s32 ret_val;
+       u16 page = offset >> GS40G_PAGE_SHIFT;
+@@ -2566,10 +2565,10 @@ s32 igb_write_phy_reg_gs40g(struct e1000
+       if (ret_val)
+               return ret_val;
+-      ret_val = igb_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, page);
++      ret_val = igb_write_phy_reg_mdic(hw, addr, GS40G_PAGE_SELECT, page);
+       if (ret_val)
+               goto release;
+-      ret_val = igb_write_phy_reg_mdic(hw, offset, data);
++      ret_val = igb_write_phy_reg_mdic(hw, addr, offset, data);
+ release:
+       hw->phy.ops.release(hw);
+@@ -2577,8 +2576,24 @@ release:
+ }
+ /**
+- *  igb_read_phy_reg_gs40g - Read GS40G  PHY register
++ *  igb_write_phy_reg_gs40g - Write GS40G PHY register
++ *  @hw: pointer to the HW structure
++ *  @offset: lower half is register offset to write to
++ *     upper half is page to use.
++ *  @data: data to write at register offset
++ *
++ *  Acquires semaphore, if necessary, then writes the data to PHY register
++ *  at the offset.  Release any acquired semaphores before exiting.
++ **/
++s32 igb_write_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 data)
++{
++      return igb_write_reg_gs40g(hw, hw->phy.addr, offset, data);
++}
++
++/**
++ *  igb_read_reg_gs40g - Read GS40G  PHY register
+  *  @hw: pointer to the HW structure
++ *  @addr: phy address to read from
+  *  @offset: lower half is register offset to read to
+  *     upper half is page to use.
+  *  @data: data to read at register offset
+@@ -2586,7 +2601,7 @@ release:
+  *  Acquires semaphore, if necessary, then reads the data in the PHY register
+  *  at the offset.  Release any acquired semaphores before exiting.
+  **/
+-s32 igb_read_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 *data)
++s32 igb_read_reg_gs40g(struct e1000_hw *hw, u8 addr, u32 offset, u16 *data)
+ {
+       s32 ret_val;
+       u16 page = offset >> GS40G_PAGE_SHIFT;
+@@ -2596,10 +2611,10 @@ s32 igb_read_phy_reg_gs40g(struct e1000_
+       if (ret_val)
+               return ret_val;
+-      ret_val = igb_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, page);
++      ret_val = igb_write_phy_reg_mdic(hw, addr, GS40G_PAGE_SELECT, page);
+       if (ret_val)
+               goto release;
+-      ret_val = igb_read_phy_reg_mdic(hw, offset, data);
++      ret_val = igb_read_phy_reg_mdic(hw, addr, offset, data);
+ release:
+       hw->phy.ops.release(hw);
+@@ -2607,6 +2622,21 @@ release:
+ }
+ /**
++ *  igb_read_phy_reg_gs40g - Read GS40G  PHY register
++ *  @hw: pointer to the HW structure
++ *  @offset: lower half is register offset to read to
++ *     upper half is page to use.
++ *  @data: data to read at register offset
++ *
++ *  Acquires semaphore, if necessary, then reads the data in the PHY register
++ *  at the offset.  Release any acquired semaphores before exiting.
++ **/
++s32 igb_read_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 *data)
++{
++      return igb_read_reg_gs40g(hw, hw->phy.addr, offset, data);
++}
++
++/**
+  *  igb_set_master_slave_mode - Setup PHY for Master/slave mode
+  *  @hw: pointer to the HW structure
+  *
+--- a/drivers/net/ethernet/intel/igb/e1000_phy.h
++++ b/drivers/net/ethernet/intel/igb/e1000_phy.h
+@@ -62,8 +62,8 @@ void igb_power_up_phy_copper(struct e100
+ void igb_power_down_phy_copper(struct e1000_hw *hw);
+ s32  igb_phy_init_script_igp3(struct e1000_hw *hw);
+ s32  igb_initialize_M88E1512_phy(struct e1000_hw *hw);
+-s32  igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
+-s32  igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
++s32  igb_read_phy_reg_mdic(struct e1000_hw *hw, u8 addr, u32 offset, u16 *data);
++s32  igb_write_phy_reg_mdic(struct e1000_hw *hw, u8 addr, u32 offset, u16 data);
+ s32  igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data);
+ s32  igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data);
+ s32  igb_read_sfp_data_byte(struct e1000_hw *hw, u16 offset, u8 *data);
+@@ -73,6 +73,8 @@ s32  igb_phy_force_speed_duplex_82580(st
+ s32  igb_get_cable_length_82580(struct e1000_hw *hw);
+ s32  igb_read_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 *data);
+ s32  igb_write_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 data);
++s32  igb_read_reg_gs40g(struct e1000_hw *hw, u8 addr, u32 offset, u16 *data);
++s32  igb_write_reg_gs40g(struct e1000_hw *hw, u8 addr, u32 offset, u16 data);
+ s32  igb_check_polarity_m88(struct e1000_hw *hw);
+ /* IGP01E1000 Specific Registers */