drivers: ethernet: Initial support for Ethernet driver for RA8

Add minimal support for ethernet driver use FSP on EK-RA8M1, EK-RA8D1 and MCK-RA8T1 Signed-off-by: Tri Nguyen <[email protected]> Signed-off-by: Thao Luong <[email protected]>
zephyrproject-rtos · Sep 23, 2024 · b8d2bdf · b8d2bdf
1 parent f61b8f9
commit b8d2bdf
Show file tree

Hide file tree

Showing 26 changed files with 765 additions and 0 deletions.
diff --git a/boards/renesas/ek_ra8d1/doc/index.rst b/boards/renesas/ek_ra8d1/doc/index.rst
@@ -104,9 +104,23 @@ The below features are currently supported on Zephyr OS for EK-RA8D1 board:
 +--------------+------------+------------------+
 | FLASH        | on-chip    | flash            |
 +--------------+------------+------------------+
+| ETHERNET     | on-chip    | ethernet         |
++--------------+------------+------------------+
 
 Other hardware features are currently not supported by the port.
 
+**Note:**
+
+ETHERNET B is default support. Set the configuration switches (SW1) as below to enable ETHERNET B.
+
++-------------+-------------+--------------+------------+------------+------------+-------------+-----------+
+| SW1-1 PMOD1 | SW1-2 TRACE | SW1-3 CAMERA | SW1-4 ETHA | SW1-5 ETHB | SW1-6 GLCD | SW1-7 SDRAM | SW1-8 I3C |
++-------------+-------------+--------------+------------+------------+------------+-------------+-----------+
+|     OFF     |      OFF    |      OFF     |     OFF    |     ON     |      OFF   |      OFF    |     OFF   |
++-------------+-------------+--------------+------------+------------+------------+-------------+-----------+
+
+CAUTION: Do not enable SW1-4 and SW1-5 together.
+
 Programming and Debugging
 *************************
 

diff --git a/boards/renesas/ek_ra8d1/ek_ra8d1-pinctrl.dtsi b/boards/renesas/ek_ra8d1/ek_ra8d1-pinctrl.dtsi
@@ -25,4 +25,62 @@
 			<RA_PSEL(RA_PSEL_SPI, 7, 3)>;
 		};
 	};
+
+	ether_default: ether_default {
+		group1 {
+			/* ET0_MDC */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 1)>;
+			drive-strength = "medium";
+		};
+		group2 {
+			/* ET0_MDIO */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 2)>;
+			drive-strength = "medium";
+		};
+		group3 {
+			/* ET0_LINKSTA */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 3)>;
+			drive-strength = "high";
+		};
+		group5 {
+			/* RMII0_TXD_EN */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 5)>;
+			drive-strength = "high";
+		};
+		group6 {
+			/* RMII0_TXD1 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 6)>;
+			drive-strength = "high";
+		};
+		group7 {
+			/* RMII0_TXD0 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 0)>;
+			drive-strength = "high";
+		};
+		group8 {
+			/* REF50CK0 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 1)>;
+			drive-strength = "high";
+		};
+		group9 {
+			/* RMII0_RXD0 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 2)>;
+			drive-strength = "high";
+		};
+		group10 {
+			/* RMII0_RXD1 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 3)>;
+			drive-strength = "high";
+		};
+		group11 {
+			/* RMII0_RX_ER */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 4)>;
+			drive-strength = "high";
+		};
+		group12 {
+			/* RMII0_CRS_DV */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 5)>;
+			drive-strength = "high";
+		};
+	};
 };
diff --git a/boards/renesas/ek_ra8m1/doc/index.rst b/boards/renesas/ek_ra8m1/doc/index.rst
@@ -106,9 +106,21 @@ The below features are currently supported on Zephyr OS for EK-RA8M1 board:
 +-----------+------------+----------------------+
 | FLASH     | on-chip    | flash                |
 +-----------+------------+----------------------+
+| ETHERNET  | on-chip    | ethernet             |
++-----------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 
+**Note:**
+
+ETHERNET B is default support. Remove jumper J61 to enable Ethernet B.
+
++--------+----------------+
+| Jumper | Configurations |
++ ------ + ---------------+
+| J61    | Open           |
++--------+----------------+
+
 Programming and Debugging
 *************************
 

diff --git a/boards/renesas/ek_ra8m1/ek_ra8m1-pinctrl.dtsi b/boards/renesas/ek_ra8m1/ek_ra8m1-pinctrl.dtsi
@@ -53,4 +53,62 @@
 			<RA_PSEL(RA_PSEL_SPI, 4, 13)>;
 		};
 	};
+
+	ether_default: ether_default {
+		group1 {
+			/* ET0_MDC */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 1)>;
+			drive-strength = "medium";
+		};
+		group2 {
+			/* ET0_MDIO */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 2)>;
+			drive-strength = "medium";
+		};
+		group3 {
+			/* ET0_LINKSTA */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 3)>;
+			drive-strength = "high";
+		};
+		group4 {
+			/* RMII0_TXD_EN */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 5)>;
+			drive-strength = "high";
+		};
+		group5 {
+			/* RMII0_TXD1 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 6)>;
+			drive-strength = "high";
+		};
+		group6 {
+			/* RMII0_TXD0 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 0)>;
+			drive-strength = "high";
+		};
+		group7 {
+			/* REF50CK0 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 1)>;
+			drive-strength = "high";
+		};
+		group8 {
+			/* RMII0_RXD0 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 2)>;
+			drive-strength = "high";
+		};
+		group9 {
+			/* RMII0_RXD1 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 3)>;
+			drive-strength = "high";
+		};
+		group10 {
+			/* RMII0_RX_ER */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 4)>;
+			drive-strength = "high";
+		};
+		group11 {
+			/* RMII0_CRS_DV */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 5)>;
+			drive-strength = "high";
+		};
+	};
 };
diff --git a/boards/renesas/mck_ra8t1/doc/index.rst b/boards/renesas/mck_ra8t1/doc/index.rst
@@ -102,6 +102,8 @@ The below features are currently supported on Zephyr OS for MCB-RA8T1 board:
 +--------------+------------+----------------------+
 | FLASH        | on-chip    | flash                |
 +--------------+------------+----------------------+
+| ETHERNET     | on-chip    | ethernet             |
++--------------+------------+----------------------+
 
 Other hardware features are currently not supported by the port.
 

diff --git a/boards/renesas/mck_ra8t1/mck_ra8t1-pinctrl.dtsi b/boards/renesas/mck_ra8t1/mck_ra8t1-pinctrl.dtsi
@@ -25,4 +25,62 @@
 			<RA_PSEL(RA_PSEL_SPI, 2, 4)>;
 		};
 	};
+
+	ether_default: ether_default {
+		group1 {
+			/* ET0_MDC */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 1)>;
+			drive-strength = "medium";
+		};
+		group2 {
+			/* ET0_MDIO */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 2)>;
+			drive-strength = "medium";
+		};
+		group3 {
+			/* ET0_LINKSTA */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 3)>;
+			drive-strength = "high";
+		};
+		group4 {
+			/* RMII0_TXD_EN */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 5)>;
+			drive-strength = "high";
+		};
+		group5 {
+			/* RMII0_TXD1 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 4, 6)>;
+			drive-strength = "high";
+		};
+		group6 {
+			/* RMII0_TXD0 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 0)>;
+			drive-strength = "high";
+		};
+		group7 {
+			/* REF50CK0 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 1)>;
+			drive-strength = "high";
+		};
+		group8 {
+			/* RMII0_RXD0 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 2)>;
+			drive-strength = "high";
+		};
+		group9 {
+			/* RMII0_RXD1 */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 3)>;
+			drive-strength = "high";
+		};
+		group10 {
+			/* RMII0_RX_ER */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 4)>;
+			drive-strength = "high";
+		};
+		group11 {
+			/* RMII0_CRS_DV */
+			psels = <RA_PSEL(RA_PSEL_ETH_RMII, 7, 5)>;
+			drive-strength = "high";
+		};
+	};
 };
diff --git a/drivers/ethernet/CMakeLists.txt b/drivers/ethernet/CMakeLists.txt
@@ -40,6 +40,7 @@ zephyr_library_sources_ifdef(CONFIG_ETH_IVSHMEM 	eth_ivshmem.c eth_ivshmem_queue
 zephyr_library_sources_ifdef(CONFIG_ETH_ADIN2111	eth_adin2111.c)
 zephyr_library_sources_ifdef(CONFIG_ETH_LAN865X	        eth_lan865x.c oa_tc6.c)
 zephyr_library_sources_ifdef(CONFIG_ETH_XMC4XXX     eth_xmc4xxx.c)
+zephyr_library_sources_ifdef(CONFIG_ETH_RENESAS_RA     eth_renesas_ra.c)
 
 if(CONFIG_ETH_NXP_S32_NETC)
   zephyr_library_sources(eth_nxp_s32_netc.c)

diff --git a/drivers/ethernet/Kconfig b/drivers/ethernet/Kconfig
@@ -80,6 +80,7 @@ source "drivers/ethernet/dwc_xgmac/Kconfig"
 source "drivers/ethernet/phy/Kconfig"
 
 source "drivers/ethernet/nxp_enet/Kconfig"
+source "drivers/ethernet/Kconfig.renesas_ra"
 
 endif # "Ethernet Drivers"
 

diff --git a/drivers/ethernet/Kconfig.renesas_ra b/drivers/ethernet/Kconfig.renesas_ra
@@ -0,0 +1,24 @@
+# Copyright (c) 2024 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+config ETH_RENESAS_RA
+	bool "Renesas RA Ethernet"
+	default y
+	select USE_RA_FSP_ETHER
+	help
+	  Enable Renesas RA Ethernet Driver.
+
+if ETH_RENESAS_RA
+
+config ETH_RA_RX_THREAD_STACK_SIZE
+	int "Stack size for internal incoming packet handler"
+	default 800
+	help
+	  Size of the stack used for internal thread which is ran for
+	  incoming packet processing.
+
+config ETH_RA_RX_THREAD_PRIORITY
+	int "Renesas RA Ethernet receive thread priority"
+	default 2
+
+endif