[PATCH v2 0/4] board: fsl: lx2160ardb: add networking support for RevC

[PATCH v2 0/4] board: fsl: lx2160ardb: add networking support for RevC

[Ioana Ciornei]

This patch set adds networking support for the LX2160A-RDB revC board.
The main difference is that the 10G Aquantia PHYs are at different MDIO
bus addresses. To address this, the u-boot's DTS (in case of DM_ETH) and
the kernel's DTS need to undergo a fixup.

This patch set applies cleanly on top of the following, yet unnaccepted,
patch:
https://patchwork.ozlabs.org/project/uboot/patch/20210417180332.1164345-1-wasim.khan at oss.nxp.com/


Changes in v2:
 - in 1/4: trigger the i2c node fixup if the board rev is 'C' or greater

Florin Chiculita (3):
  board: fsl: lx2160ardb: add api for obtaining board revision
  board: fsl: lx2160ardb: add support for lx2160ardb revC board
  board: fsl: lx2160ardb: add dts fixup function for RevC

Ioana Ciornei (1):
  board: fsl: lx2160ardb: add dts fixup for RevC

 board/freescale/lx2160a/eth_lx2160ardb.c | 160 ++++++++++++++++++++++-
 board/freescale/lx2160a/lx2160a.c        |  21 ++-
 board/freescale/lx2160a/lx2160a.h        |   7 +-
 include/configs/lx2160ardb.h             |   5 +-
 4 files changed, 186 insertions(+), 7 deletions(-)

-- 
2.17.1

[PATCH v2 1/4] board: fsl: lx2160ardb: add api for obtaining board revision

[Ioana Ciornei]

From: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>

Add new API for obtaining board revision and trigger the i2c node
fixup with this new API.

Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
 board/freescale/lx2160a/lx2160a.c | 13 ++++++++++---
 board/freescale/lx2160a/lx2160a.h |  6 +++++-
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/board/freescale/lx2160a/lx2160a.c b/board/freescale/lx2160a/lx2160a.c
index 8f75b48f956b..9f1a6979258c 100644
--- a/board/freescale/lx2160a/lx2160a.c
+++ b/board/freescale/lx2160a/lx2160a.c
@@ -564,6 +564,15 @@ int config_board_mux(void)
 }
 #endif
 
+#if CONFIG_IS_ENABLED(TARGET_LX2160ARDB)
+u8 get_board_rev(void)
+{
+	u8 board_rev = (QIXIS_READ(arch) & 0xf) - 1 + 'A';
+
+	return board_rev;
+}
+#endif
+
 unsigned long get_board_sys_clk(void)
 {
 #if defined(CONFIG_TARGET_LX2160AQDS) || defined(CONFIG_TARGET_LX2162AQDS)
@@ -847,7 +856,6 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 	u64 mc_memory_base = 0;
 	u64 mc_memory_size = 0;
 	u16 total_memory_banks;
-	u8 board_rev;
 
 	ft_cpu_setup(blob, bd);
 
@@ -903,8 +911,7 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 	fdt_fixup_icid(blob);
 
 if (IS_ENABLED(CONFIG_TARGET_LX2160ARDB)) {
-	board_rev = (QIXIS_READ(arch) & 0xf) - 1 + 'A';
-	if (board_rev == 'C')
+	if (get_board_rev() >= 'C')
 		fdt_fixup_i2c_thermal_node(blob);
 	}
 
diff --git a/board/freescale/lx2160a/lx2160a.h b/board/freescale/lx2160a/lx2160a.h
index 52b020765dc6..cf56cefb45a3 100644
--- a/board/freescale/lx2160a/lx2160a.h
+++ b/board/freescale/lx2160a/lx2160a.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * Copyright 2020 NXP
+ * Copyright 2020-2021 NXP
  */
 
 #ifndef __LX2160_H
@@ -58,4 +58,8 @@
 #endif
 #endif
 
+#if CONFIG_IS_ENABLED(TARGET_LX2160ARDB)
+u8 get_board_rev(void);
+#endif
+
 #endif /* __LX2160_H */
-- 
2.17.1

[PATCH v2 2/4] board: fsl: lx2160ardb: add support for lx2160ardb revC board

[Ioana Ciornei]

From: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>

New RevC LX2160A-RDB board doesn't have any 40G PHY and the 10G Aquantia
PHYs have different MDIO bus addresses, thus a different init is
required.
This patch adds support for the non-DM_ETH use of the LX2160ARDB RevC
board.

Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
 board/freescale/lx2160a/eth_lx2160ardb.c | 52 +++++++++++++++++++++++-
 include/configs/lx2160ardb.h             |  5 ++-
 2 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/board/freescale/lx2160a/eth_lx2160ardb.c b/board/freescale/lx2160a/eth_lx2160ardb.c
index 15cbc58d59a7..8fd2a501de16 100644
--- a/board/freescale/lx2160a/eth_lx2160ardb.c
+++ b/board/freescale/lx2160a/eth_lx2160ardb.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright 2018, 2020 NXP
+ * Copyright 2018-2021 NXP
  *
  */
 
@@ -41,6 +41,49 @@ static bool get_inphi_phy_id(struct mii_dev *bus, int addr, int devad)
 		return false;
 }
 
+int setup_eth_rev_c(u32 srds_p)
+{
+	struct mii_dev *bus;
+	int i;
+
+	/* difference between SerDes1 protocols 18/19 is 4x10G vs. 40G */
+	switch (srds_p) {
+	case 19:
+		wriop_init_dpmac_enet_if(WRIOP1_DPMAC2,
+					 PHY_INTERFACE_MODE_XLAUI);
+		break;
+	case 18:
+		for (i = WRIOP1_DPMAC7; i <= WRIOP1_DPMAC10; i++)
+			wriop_init_dpmac_enet_if(i, PHY_INTERFACE_MODE_XFI);
+		break;
+	default:
+		printf("SerDes1 protocol 0x%x is not supported on LX2160ARDB\n",
+		       srds_p);
+		return -1;
+	}
+
+	/* common interfaces for SerDes1 protocols 18 and 19 initialization */
+	wriop_set_phy_address(WRIOP1_DPMAC3, 0, AQR113C_PHY_ADDR1);
+	wriop_set_phy_address(WRIOP1_DPMAC4, 0, AQR113C_PHY_ADDR2);
+	wriop_set_phy_address(WRIOP1_DPMAC5, 0, INPHI_PHY_ADDR1);
+	wriop_set_phy_address(WRIOP1_DPMAC6, 0, INPHI_PHY_ADDR1);
+	wriop_set_phy_address(WRIOP1_DPMAC17, 0, RGMII_PHY_ADDR1);
+	wriop_set_phy_address(WRIOP1_DPMAC18, 0, RGMII_PHY_ADDR2);
+
+	/* assign DPMAC/PHY to MDIO bus */
+	bus = miiphy_get_dev_by_name(DEFAULT_WRIOP_MDIO1_NAME);
+	wriop_set_mdio(WRIOP1_DPMAC3, bus);
+	wriop_set_mdio(WRIOP1_DPMAC4, bus);
+	wriop_set_mdio(WRIOP1_DPMAC17, bus);
+	wriop_set_mdio(WRIOP1_DPMAC18, bus);
+
+	bus = miiphy_get_dev_by_name(DEFAULT_WRIOP_MDIO2_NAME);
+	wriop_set_mdio(WRIOP1_DPMAC5, bus);
+	wriop_set_mdio(WRIOP1_DPMAC6, bus);
+
+	return 0;
+}
+
 int board_eth_init(struct bd_info *bis)
 {
 #if defined(CONFIG_FSL_MC_ENET)
@@ -70,6 +113,13 @@ int board_eth_init(struct bd_info *bis)
 	fm_memac_mdio_init(bis, &mdio_info);
 
 	dev = miiphy_get_dev_by_name(DEFAULT_WRIOP_MDIO2_NAME);
+
+	/* new LX2160A-RDB2 revC board uses phy-less 25G/40G interfaces */
+	if (get_board_rev() == 'C') {
+		setup_eth_rev_c(srds_s1);
+		goto next;
+	}
+
 	switch (srds_s1) {
 	case 19:
 		wriop_set_phy_address(WRIOP1_DPMAC2, 0,
diff --git a/include/configs/lx2160ardb.h b/include/configs/lx2160ardb.h
index 097f1224c90f..a7e9753dc174 100644
--- a/include/configs/lx2160ardb.h
+++ b/include/configs/lx2160ardb.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * Copyright 2018,2020 NXP
+ * Copyright 2018-2021 NXP
  */
 
 #ifndef __LX2_RDB_H
@@ -21,6 +21,9 @@
 #if defined(CONFIG_FSL_MC_ENET)
 #define CONFIG_MII
 #define CONFIG_ETHPRIME		"DPMAC1@xgmii"
+
+#define AQR113C_PHY_ADDR1	0x0
+#define AQR113C_PHY_ADDR2	0x08
 #endif
 
 /* EMC2305 */
-- 
2.17.1

[PATCH v2 3/4] board: fsl: lx2160ardb: add dts fixup function for RevC

[Ioana Ciornei]

From: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>

Since the new RevC LX2160A-RDB board has its 10G Aquantia PHYs at
different MDIO bus addresses, we must update both the kernel DTS and
u-boot's DTS (in case of DM_ETH) in case the board is indeed RevC.
Use the newly introduced get_board_rev() function to trigger a fixup
of the kernel DTS to properly match the actual PHY addresses.
All this is encapsulated in the fdt_fixup_board_phy_revc() function
which will be used in the next patch.

Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
 board/freescale/lx2160a/eth_lx2160ardb.c | 106 +++++++++++++++++++++++
 board/freescale/lx2160a/lx2160a.h        |   1 +
 2 files changed, 107 insertions(+)

diff --git a/board/freescale/lx2160a/eth_lx2160ardb.c b/board/freescale/lx2160a/eth_lx2160ardb.c
index 8fd2a501de16..c693ad9a0a4a 100644
--- a/board/freescale/lx2160a/eth_lx2160ardb.c
+++ b/board/freescale/lx2160a/eth_lx2160ardb.c
@@ -231,6 +231,112 @@ void reset_phy(void)
 }
 #endif /* CONFIG_RESET_PHY_R */
 
+static int fdt_get_dpmac_node(void *fdt, int dpmac_id)
+{
+	char dpmac_str[] = "dpmacs at 00";
+	int offset, dpmacs_offset;
+
+	/* get the dpmac offset */
+	dpmacs_offset = fdt_path_offset(fdt, "/soc/fsl-mc/dpmacs");
+	if (dpmacs_offset < 0)
+		dpmacs_offset = fdt_path_offset(fdt, "/fsl-mc/dpmacs");
+
+	if (dpmacs_offset < 0) {
+		printf("dpmacs node not found in device tree\n");
+		return dpmacs_offset;
+	}
+
+	sprintf(dpmac_str, "dpmac@%x", dpmac_id);
+	offset = fdt_subnode_offset(fdt, dpmacs_offset, dpmac_str);
+	if (offset < 0) {
+		sprintf(dpmac_str, "ethernet@%x", dpmac_id);
+		offset = fdt_subnode_offset(fdt, dpmacs_offset, dpmac_str);
+		if (offset < 0) {
+			printf("dpmac@%x/ethernet@%x node not found in device tree\n",
+			       dpmac_id, dpmac_id);
+			return offset;
+		}
+	}
+
+	return offset;
+}
+
+static int fdt_update_phy_addr(void *fdt, int dpmac_id, int phy_addr)
+{
+	char dpmac_str[] = "dpmacs at 00";
+	const u32 *phyhandle;
+	int offset;
+	int err;
+
+	/* get the dpmac offset */
+	offset = fdt_get_dpmac_node(fdt, dpmac_id);
+	if (offset < 0)
+		return offset;
+
+	/* get dpmac phy-handle */
+	sprintf(dpmac_str, "dpmac@%x", dpmac_id);
+	phyhandle = (u32 *)fdt_getprop(fdt, offset, "phy-handle", NULL);
+	if (!phyhandle) {
+		printf("%s node not found in device tree\n", dpmac_str);
+		return offset;
+	}
+
+	offset = fdt_node_offset_by_phandle(fdt, fdt32_to_cpu(*phyhandle));
+	if (offset < 0) {
+		printf("Could not get the ph node offset for dpmac %d\n",
+		       dpmac_id);
+		return offset;
+	}
+
+	phy_addr = cpu_to_fdt32(phy_addr);
+	err = fdt_setprop(fdt, offset, "reg", &phy_addr, sizeof(phy_addr));
+	if (err < 0) {
+		printf("Could not set phy node's reg for dpmac %d: %s.\n",
+		       dpmac_id, fdt_strerror(err));
+		return err;
+	}
+
+	return 0;
+}
+
+static int fdt_delete_phy_handle(void *fdt, int dpmac_id)
+{
+	const u32 *phyhandle;
+	int offset;
+
+	/* get the dpmac offset */
+	offset = fdt_get_dpmac_node(fdt, dpmac_id);
+	if (offset < 0)
+		return offset;
+
+	/* verify if the node has a phy-handle */
+	phyhandle = (u32 *)fdt_getprop(fdt, offset, "phy-handle", NULL);
+	if (!phyhandle)
+		return 0;
+
+	return fdt_delprop(fdt, offset, "phy-handle");
+}
+
+int fdt_fixup_board_phy_revc(void *fdt)
+{
+	int ret;
+
+	if (get_board_rev() != 'C')
+		return 0;
+
+	/* DPMACs 3,4 have their Aquantia PHYs@new addresses */
+	ret = fdt_update_phy_addr(fdt, 3, AQR113C_PHY_ADDR1);
+	if (ret)
+		return ret;
+
+	ret = fdt_update_phy_addr(fdt, 4, AQR113C_PHY_ADDR2);
+	if (ret)
+		return ret;
+
+	/* There is no PHY for the DPMAC2, so remove the phy-handle */
+	return fdt_delete_phy_handle(fdt, 2);
+}
+
 int fdt_fixup_board_phy(void *fdt)
 {
 	int mdio_offset;
diff --git a/board/freescale/lx2160a/lx2160a.h b/board/freescale/lx2160a/lx2160a.h
index cf56cefb45a3..e9b318339af3 100644
--- a/board/freescale/lx2160a/lx2160a.h
+++ b/board/freescale/lx2160a/lx2160a.h
@@ -60,6 +60,7 @@
 
 #if CONFIG_IS_ENABLED(TARGET_LX2160ARDB)
 u8 get_board_rev(void);
+int fdt_fixup_board_phy_revc(void *fdt);
 #endif
 
 #endif /* __LX2160_H */
-- 
2.17.1

[PATCH v2 4/4] board: fsl: lx2160ardb: add dts fixup for RevC

[Ioana Ciornei]

Use the newly fdt_fixup_board_phy_revc() function introduced to updated
both kernel's DTS and u-boot's DTS in case we are running with DM_ETH.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
---
 board/freescale/lx2160a/eth_lx2160ardb.c | 2 +-
 board/freescale/lx2160a/lx2160a.c        | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/board/freescale/lx2160a/eth_lx2160ardb.c b/board/freescale/lx2160a/eth_lx2160ardb.c
index c693ad9a0a4a..30a3af9f4737 100644
--- a/board/freescale/lx2160a/eth_lx2160ardb.c
+++ b/board/freescale/lx2160a/eth_lx2160ardb.c
@@ -366,5 +366,5 @@ int fdt_fixup_board_phy(void *fdt)
 		}
 	}
 
-	return ret;
+	return fdt_fixup_board_phy_revc(fdt);
 }
diff --git a/board/freescale/lx2160a/lx2160a.c b/board/freescale/lx2160a/lx2160a.c
index 9f1a6979258c..0736735e6f0d 100644
--- a/board/freescale/lx2160a/lx2160a.c
+++ b/board/freescale/lx2160a/lx2160a.c
@@ -189,6 +189,11 @@ int board_fix_fdt(void *fdt)
 						    "fsl,lx2160a-pcie");
 	}
 
+	/* Fixup u-boot's DTS in case this is a revC board and
+	 * we're using DM_ETH.
+	 */
+	if (IS_ENABLED(CONFIG_TARGET_LX2160ARDB) && IS_ENABLED(CONFIG_DM_ETH))
+		fdt_fixup_board_phy_revc(fdt);
 	return 0;
 }
 #endif
@@ -723,6 +728,9 @@ void fdt_fixup_board_enet(void *fdt)
 		fdt_status_okay(fdt, offset);
 #ifndef CONFIG_DM_ETH
 		fdt_fixup_board_phy(fdt);
+#else
+		if (IS_ENABLED(CONFIG_TARGET_LX2160ARDB))
+			fdt_fixup_board_phy_revc(fdt);
 #endif
 	} else {
 		fdt_status_fail(fdt, offset);
-- 
2.17.1

[PATCH v2 3/4] board: fsl: lx2160ardb: add dts fixup function for RevC

[Priyanka Jain]

>-----Original Message-----
>From: Ioana Ciornei <ioana.ciornei@nxp.com>
>Sent: Monday, April 26, 2021 6:31 PM
>To: Priyanka Jain <priyanka.jain@nxp.com>
>Cc: u-boot at lists.denx.de; Florin Laurentiu Chiculita
><florinlaurentiu.chiculita@nxp.com>; Wasim Khan (OSS)
><wasim.khan@oss.nxp.com>; Ioana Ciornei <ioana.ciornei@nxp.com>
>Subject: [PATCH v2 3/4] board: fsl: lx2160ardb: add dts fixup function for RevC
>
>From: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
>
>Since the new RevC LX2160A-RDB board has its 10G Aquantia PHYs at different
>MDIO bus addresses, we must update both the kernel DTS and u-boot's DTS (in
>case of DM_ETH) in case the board is indeed RevC.
>Use the newly introduced get_board_rev() function to trigger a fixup of the kernel
>DTS to properly match the actual PHY addresses.
>All this is encapsulated in the fdt_fixup_board_phy_revc() function which will be
>used in the next patch.
>
>Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
>Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
>---
> board/freescale/lx2160a/eth_lx2160ardb.c | 106 +++++++++++++++++++++++
> board/freescale/lx2160a/lx2160a.h        |   1 +
> 2 files changed, 107 insertions(+)
>
>diff --git a/board/freescale/lx2160a/eth_lx2160ardb.c
>b/board/freescale/lx2160a/eth_lx2160ardb.c
>index 8fd2a501de16..c693ad9a0a4a 100644
>--- a/board/freescale/lx2160a/eth_lx2160ardb.c
>+++ b/board/freescale/lx2160a/eth_lx2160ardb.c
>@@ -231,6 +231,112 @@ void reset_phy(void)  }  #endif /*
>CONFIG_RESET_PHY_R */
>
>+static int fdt_get_dpmac_node(void *fdt, int dpmac_id) {
>+	char dpmac_str[] = "dpmacs at 00";
>+	int offset, dpmacs_offset;
>+
>+	/* get the dpmac offset */
>+	dpmacs_offset = fdt_path_offset(fdt, "/soc/fsl-mc/dpmacs");
>+	if (dpmacs_offset < 0)
>+		dpmacs_offset = fdt_path_offset(fdt, "/fsl-mc/dpmacs");
>+
>+	if (dpmacs_offset < 0) {
>+		printf("dpmacs node not found in device tree\n");
>+		return dpmacs_offset;
>+	}
>+
>+	sprintf(dpmac_str, "dpmac@%x", dpmac_id);
>+	offset = fdt_subnode_offset(fdt, dpmacs_offset, dpmac_str);
>+	if (offset < 0) {
>+		sprintf(dpmac_str, "ethernet@%x", dpmac_id);
>+		offset = fdt_subnode_offset(fdt, dpmacs_offset, dpmac_str);
>+		if (offset < 0) {
>+			printf("dpmac@%x/ethernet@%x node not found in
>device tree\n",
>+			       dpmac_id, dpmac_id);
>+			return offset;
>+		}
>+	}
>+
>+	return offset;
>+}
>+
>+static int fdt_update_phy_addr(void *fdt, int dpmac_id, int phy_addr) {
>+	char dpmac_str[] = "dpmacs at 00";
>+	const u32 *phyhandle;
>+	int offset;
>+	int err;
>+
>+	/* get the dpmac offset */
>+	offset = fdt_get_dpmac_node(fdt, dpmac_id);
>+	if (offset < 0)
>+		return offset;
>+
>+	/* get dpmac phy-handle */
>+	sprintf(dpmac_str, "dpmac@%x", dpmac_id);
>+	phyhandle = (u32 *)fdt_getprop(fdt, offset, "phy-handle", NULL);
>+	if (!phyhandle) {
>+		printf("%s node not found in device tree\n", dpmac_str);
>+		return offset;
>+	}
>+
>+	offset = fdt_node_offset_by_phandle(fdt, fdt32_to_cpu(*phyhandle));
>+	if (offset < 0) {
>+		printf("Could not get the ph node offset for dpmac %d\n",
>+		       dpmac_id);
>+		return offset;
>+	}
>+
>+	phy_addr = cpu_to_fdt32(phy_addr);
>+	err = fdt_setprop(fdt, offset, "reg", &phy_addr, sizeof(phy_addr));
>+	if (err < 0) {
>+		printf("Could not set phy node's reg for dpmac %d: %s.\n",
>+		       dpmac_id, fdt_strerror(err));
>+		return err;
>+	}
>+
>+	return 0;
>+}
>+
>+static int fdt_delete_phy_handle(void *fdt, int dpmac_id) {
>+	const u32 *phyhandle;
>+	int offset;
>+
>+	/* get the dpmac offset */
>+	offset = fdt_get_dpmac_node(fdt, dpmac_id);
>+	if (offset < 0)
>+		return offset;
>+
>+	/* verify if the node has a phy-handle */
>+	phyhandle = (u32 *)fdt_getprop(fdt, offset, "phy-handle", NULL);
>+	if (!phyhandle)
>+		return 0;
>+
>+	return fdt_delprop(fdt, offset, "phy-handle"); }
>+
>+int fdt_fixup_board_phy_revc(void *fdt) {
>+	int ret;
>+
>+	if (get_board_rev() != 'C')
>+		return 0;

Do we want to check for < 'C' version or != here?
Is fdt_fixup_board_phy_revc() rquired only for Rev C version or >= Rev C?

Regards
Priyanka

RE: [PATCH v2 3/4] board: fsl: lx2160ardb: add dts fixup function for RevC

[Priyanka Jain]

>-----Original Message-----
>From: Ioana Ciornei <ioana.ciornei@nxp.com>
>Sent: Monday, April 26, 2021 6:31 PM
>To: Priyanka Jain <priyanka.jain@nxp.com>
>Cc: u-boot@lists.denx.de; Florin Laurentiu Chiculita
><florinlaurentiu.chiculita@nxp.com>; Wasim Khan (OSS)
><wasim.khan@oss.nxp.com>; Ioana Ciornei <ioana.ciornei@nxp.com>
>Subject: [PATCH v2 3/4] board: fsl: lx2160ardb: add dts fixup function for RevC
>
>From: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
>
>Since the new RevC LX2160A-RDB board has its 10G Aquantia PHYs at different
>MDIO bus addresses, we must update both the kernel DTS and u-boot's DTS (in
>case of DM_ETH) in case the board is indeed RevC.
>Use the newly introduced get_board_rev() function to trigger a fixup of the kernel
>DTS to properly match the actual PHY addresses.
>All this is encapsulated in the fdt_fixup_board_phy_revc() function which will be
>used in the next patch.
>
>Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
>Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
>---
> board/freescale/lx2160a/eth_lx2160ardb.c | 106 +++++++++++++++++++++++
> board/freescale/lx2160a/lx2160a.h        |   1 +
> 2 files changed, 107 insertions(+)
>
>diff --git a/board/freescale/lx2160a/eth_lx2160ardb.c
>b/board/freescale/lx2160a/eth_lx2160ardb.c
>index 8fd2a501de16..c693ad9a0a4a 100644
>--- a/board/freescale/lx2160a/eth_lx2160ardb.c
>+++ b/board/freescale/lx2160a/eth_lx2160ardb.c
>@@ -231,6 +231,112 @@ void reset_phy(void)  }  #endif /*
>CONFIG_RESET_PHY_R */
>
>+static int fdt_get_dpmac_node(void *fdt, int dpmac_id) {
>+	char dpmac_str[] = "dpmacs@00";
>+	int offset, dpmacs_offset;
>+
>+	/* get the dpmac offset */
>+	dpmacs_offset = fdt_path_offset(fdt, "/soc/fsl-mc/dpmacs");
>+	if (dpmacs_offset < 0)
>+		dpmacs_offset = fdt_path_offset(fdt, "/fsl-mc/dpmacs");
>+
>+	if (dpmacs_offset < 0) {
>+		printf("dpmacs node not found in device tree\n");
>+		return dpmacs_offset;
>+	}
>+
>+	sprintf(dpmac_str, "dpmac@%x", dpmac_id);
>+	offset = fdt_subnode_offset(fdt, dpmacs_offset, dpmac_str);
>+	if (offset < 0) {
>+		sprintf(dpmac_str, "ethernet@%x", dpmac_id);
>+		offset = fdt_subnode_offset(fdt, dpmacs_offset, dpmac_str);
>+		if (offset < 0) {
>+			printf("dpmac@%x/ethernet@%x node not found in
>device tree\n",
>+			       dpmac_id, dpmac_id);
>+			return offset;
>+		}
>+	}
>+
>+	return offset;
>+}
>+
>+static int fdt_update_phy_addr(void *fdt, int dpmac_id, int phy_addr) {
>+	char dpmac_str[] = "dpmacs@00";
>+	const u32 *phyhandle;
>+	int offset;
>+	int err;
>+
>+	/* get the dpmac offset */
>+	offset = fdt_get_dpmac_node(fdt, dpmac_id);
>+	if (offset < 0)
>+		return offset;
>+
>+	/* get dpmac phy-handle */
>+	sprintf(dpmac_str, "dpmac@%x", dpmac_id);
>+	phyhandle = (u32 *)fdt_getprop(fdt, offset, "phy-handle", NULL);
>+	if (!phyhandle) {
>+		printf("%s node not found in device tree\n", dpmac_str);
>+		return offset;
>+	}
>+
>+	offset = fdt_node_offset_by_phandle(fdt, fdt32_to_cpu(*phyhandle));
>+	if (offset < 0) {
>+		printf("Could not get the ph node offset for dpmac %d\n",
>+		       dpmac_id);
>+		return offset;
>+	}
>+
>+	phy_addr = cpu_to_fdt32(phy_addr);
>+	err = fdt_setprop(fdt, offset, "reg", &phy_addr, sizeof(phy_addr));
>+	if (err < 0) {
>+		printf("Could not set phy node's reg for dpmac %d: %s.\n",
>+		       dpmac_id, fdt_strerror(err));
>+		return err;
>+	}
>+
>+	return 0;
>+}
>+
>+static int fdt_delete_phy_handle(void *fdt, int dpmac_id) {
>+	const u32 *phyhandle;
>+	int offset;
>+
>+	/* get the dpmac offset */
>+	offset = fdt_get_dpmac_node(fdt, dpmac_id);
>+	if (offset < 0)
>+		return offset;
>+
>+	/* verify if the node has a phy-handle */
>+	phyhandle = (u32 *)fdt_getprop(fdt, offset, "phy-handle", NULL);
>+	if (!phyhandle)
>+		return 0;
>+
>+	return fdt_delprop(fdt, offset, "phy-handle"); }
>+
>+int fdt_fixup_board_phy_revc(void *fdt) {
>+	int ret;
>+
>+	if (get_board_rev() != 'C')
>+		return 0;
>+
>+	/* DPMACs 3,4 have their Aquantia PHYs at new addresses */
>+	ret = fdt_update_phy_addr(fdt, 3, AQR113C_PHY_ADDR1);
>+	if (ret)
>+		return ret;
>+
>+	ret = fdt_update_phy_addr(fdt, 4, AQR113C_PHY_ADDR2);
>+	if (ret)
>+		return ret;
>+
>+	/* There is no PHY for the DPMAC2, so remove the phy-handle */
>+	return fdt_delete_phy_handle(fdt, 2);
>+}
>+
> int fdt_fixup_board_phy(void *fdt)
> {
> 	int mdio_offset;
>diff --git a/board/freescale/lx2160a/lx2160a.h
>b/board/freescale/lx2160a/lx2160a.h
>index cf56cefb45a3..e9b318339af3 100644
>--- a/board/freescale/lx2160a/lx2160a.h
>+++ b/board/freescale/lx2160a/lx2160a.h
>@@ -60,6 +60,7 @@
>
> #if CONFIG_IS_ENABLED(TARGET_LX2160ARDB)
> u8 get_board_rev(void);
>+int fdt_fixup_board_phy_revc(void *fdt);
> #endif
>
> #endif /* __LX2160_H */
>--
>2.17.1


Kindly ensure build for all lx2160a platforms, fix build issues like below  
2021-06-16T15:10:30.1450001Z    aarch64:  +   lx2162aqds_tfa
2021-06-16T15:10:30.1450811Z +board/freescale/lx2160a/lx2160a.c: In function 'board_fix_fdt':
2021-06-16T15:10:30.1451830Z +board/freescale/lx2160a/lx2160a.c:196:3: error: implicit declaration of function 'fdt_fixup_board_phy_revc'; did you mean 'fdt_fixup_board_enet'? [-Werror=implicit-function-declaration]
2021-06-16T15:10:30.1452462Z +  196 |   fdt_fixup_board_phy_revc(fdt);
2021-06-16T15:10:30.1452800Z +      |   ^~~~~~~~~~~~~~~~~~~~~~~~
2021-06-16T15:10:30.1453131Z +      |   fdt_fixup_board_enet
2021-06-16T15:10:30.1453705Z +board/freescale/lx2160a/lx2160a.c: In function 'ft_board_setup':
2021-06-16T15:10:30.1454548Z +board/freescale/lx2160a/lx2160a.c:922:6: error: implicit declaration of function 'get_board_rev' [-Werror=implicit-function-declaration]
2021-06-16T15:10:30.1455235Z +  922 |  if (get_board_rev() >= 'C')
2021-06-16T15:10:30.1455569Z +      |      ^~~~~~~~~~~~~
2021-06-16T15:10:30.1456345Z +board/freescale/lx2160a/lx2160a.c:923:3: error: implicit declaration of function 'fdt_fixup_i2c_thermal_node' [-Werror=implicit-function-declaration]
2021-06-16T15:10:30.1456912Z +  923 |   fdt_fixup_i2c_thermal_node(blob);
2021-06-16T15:10:30.1457254Z +      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~
2021-06-16T15:10:30.1457608Z +cc1: all warnings being treated as errors
2021-06-16T15:10:30.1457987Z +make[2]: *** [board/freescale/lx2160a/lx2160a.o] Error 1
2021-06-16T15:10:30.1458374Z +make[1]: *** [board/freescale/lx2160a] Error 2
2021-06-16T15:10:30.1458878Z +make: *** [sub-make] Error 2
2021-06-16T15:10:30.1459042Z 
2021-06-16T15:10:49.8594009Z     2    0    3 /8       -3      0:01:07  : lx2162aqds_tfa
2021-06-16T15:10:49.8606363Z                                                            

https://dev.azure.com/u-boot/a1096300-2999-4ec4-a21a-4c22075e3771/_apis/build/builds/2383/logs/415


Regards
Priyanka