drivers: dsa: netc: add mmio memory mapping support (c10f64c9) · Commits · Wenxi XU / zephyr

drivers/ethernet/dsa/dsa_nxp_imx_netc.c

+31 −1

Original line number	Diff line number	Diff line
		@@ -18,12 +18,22 @@ LOG_MODULE_REGISTER(dsa_netc, CONFIG_ETHERNET_LOG_LEVEL);
		#define DT_DRV_COMPAT nxp_netc_switch
		#define PRV_DATA(ctx) ((struct dsa_netc_data *const)(ctx)->prv_data)

		#define DEV_CFG(_dev) ((const struct dsa_netc_config *)(_dev)->config)
		#define DEV_DATA(_dev) ((struct dsa_netc_data *)(_dev)->data)

		struct dsa_netc_port_config {
		const struct pinctrl_dev_config *pincfg;
		netc_hw_mii_mode_t phy_mode;
		};

		struct dsa_netc_config {
		DEVICE_MMIO_NAMED_ROM(base);
		DEVICE_MMIO_NAMED_ROM(pfconfig);
		};

		struct dsa_netc_data {
		DEVICE_MMIO_NAMED_RAM(base);
		DEVICE_MMIO_NAMED_RAM(pfconfig);
		swt_config_t swt_config;
		swt_handle_t swt_handle;
		netc_cmd_bd_t *cmd_bd;
		@@ -108,6 +118,14 @@ static void dsa_netc_port_phylink_change(const struct device *phydev, struct phy
		}
		}

		static int dsa_netc_switch_init(const struct device *dev)
		{
		DEVICE_MMIO_NAMED_MAP(dev, base, K_MEM_CACHE_NONE \| K_MEM_DIRECT_MAP);
		DEVICE_MMIO_NAMED_MAP(dev, pfconfig, K_MEM_CACHE_NONE \| K_MEM_DIRECT_MAP);

		return 0;
		}

		static struct dsa_api dsa_netc_api = {
		.port_init = dsa_netc_port_init,
		.port_generate_random_mac = dsa_netc_port_generate_random_mac,
		@@ -138,9 +156,21 @@ static struct dsa_api dsa_netc_api = {
		#define DSA_NETC_DEVICE(n) \
		AT_NONCACHEABLE_SECTION_ALIGN(static netc_cmd_bd_t dsa_netc_##n##_cmd_bd[8], \
		NETC_BD_ALIGN); \
		static const struct dsa_netc_config netc_switch##n##_config = { \
		DEVICE_MMIO_NAMED_ROM_INIT_BY_NAME(base, DT_DRV_INST(n)), \
		DEVICE_MMIO_NAMED_ROM_INIT_BY_NAME(pfconfig, DT_DRV_INST(n)), \
		}; \
		static struct dsa_netc_data dsa_netc_data_##n = { \
		.cmd_bd = dsa_netc_##n##_cmd_bd, \
		}; \
		DSA_SWITCH_INST_INIT(n, &dsa_netc_api, &dsa_netc_data_##n, DSA_NETC_PORT_INST_INIT);
		DEVICE_DT_INST_DEFINE(n, \
		dsa_netc_switch_init, \
		NULL, \
		&dsa_netc_data_##n, \
		&netc_switch##n##_config, \
		POST_KERNEL, \
		CONFIG_ETH_INIT_PRIORITY, \
		NULL); \
		DSA_SWITCH_INST_INIT(n, &dsa_netc_api, &dsa_netc_data_##n, DSA_NETC_PORT_INST_INIT); \

		DT_INST_FOREACH_STATUS_OKAY(DSA_NETC_DEVICE);

dts/arm/nxp/nxp_imx943_m33.dtsi

+4 −1

Original line number	Diff line number	Diff line
		@@ -466,8 +466,11 @@
		status = "disabled";
		};

		netc_switch: switch {
		netc_switch: switch@4cc00000 {
		compatible = "nxp,netc-switch";
		reg = <0x4cc00000 0x40000>,
		<0x4ca02000 0x1000>;
		reg-names = "base", "pfconfig";
		status = "disabled";
		#address-cells = <1>;
		#size-cells = <0>;

dts/arm/nxp/nxp_rt118x.dtsi

+4 −1

Original line number	Diff line number	Diff line
		@@ -666,8 +666,11 @@
		status = "disabled";
		};

		switch: dsa {
		switch: dsa@60a00000 {
		compatible = "nxp,netc-switch";
		reg = <0x60a00000 0x10000>,
		<0x60002000 0x1000>;
		reg-names = "base", "pfconfig";
		status = "disabled";
		#address-cells = <1>;
		#size-cells = <0>;

dts/bindings/dsa/nxp,netc-switch.yaml

+5 −1

Original line number	Diff line number	Diff line
		@@ -5,4 +5,8 @@ description: NXP NETC ethernet switch

		compatible: "nxp,netc-switch"

		include: [dsa.yaml]
		include: [dsa.yaml, base.yaml]

		properties:
		reg:
		required: true

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