AM67A: How to connect the switch chip

static int davinci_mdio_probe(struct platform_device *pdev)
{
	struct mdio_platform_data *pdata = dev_get_platdata(&pdev->dev);
	struct device *dev = &pdev->dev;
	struct davinci_mdio_data *data;
	struct resource *res;
	struct phy_device *phy;
	int ret, addr;
	int autosuspend_delay_ms = -1;

	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
	if (!data)
		return -ENOMEM;

	data->manual_mode = false;
	data->bb_ctrl.ops = &davinci_mdiobb_ops;

	if (IS_ENABLED(CONFIG_OF) && dev->of_node) {
		const struct soc_device_attribute *soc_match_data;

		soc_match_data = soc_device_match(k3_mdio_socinfo);
		if (soc_match_data && soc_match_data->data) {
			const struct k3_mdio_soc_data *socdata =
						soc_match_data->data;

			data->manual_mode = socdata->manual_mode;
		}
	}

	if (data->manual_mode)
		data->bus = alloc_mdio_bitbang(&data->bb_ctrl);
	else
		data->bus = devm_mdiobus_alloc(dev);

	if (!data->bus) {
		dev_err(dev, "failed to alloc mii bus\n");
		return -ENOMEM;
	}

	if (IS_ENABLED(CONFIG_OF) && dev->of_node) {
		const struct davinci_mdio_of_param *of_mdio_data;

		ret = davinci_mdio_probe_dt(&data->pdata, pdev);
		if (ret)
			return ret;
		snprintf(data->bus->id, MII_BUS_ID_SIZE, "%s", pdev->name);

		of_mdio_data = of_device_get_match_data(&pdev->dev);
		if (of_mdio_data) {
			autosuspend_delay_ms =
					of_mdio_data->autosuspend_delay_ms;
		}
	} else {
		data->pdata = pdata ? (*pdata) : default_pdata;
		snprintf(data->bus->id, MII_BUS_ID_SIZE, "%s-%x",
			 pdev->name, pdev->id);
	}

	data->bus->name		= dev_name(dev);

	if (data->manual_mode) {
		data->bus->read		= davinci_mdiobb_read_c22;
		data->bus->write	= davinci_mdiobb_write_c22;
		data->bus->read_c45	= davinci_mdiobb_read_c45;
		data->bus->write_c45	= davinci_mdiobb_write_c45;
		data->bus->reset	= davinci_mdiobb_reset;

		dev_info(dev, "Configuring MDIO in manual mode\n");
	} else {
		data->bus->read		= davinci_mdio_read;
		data->bus->write	= davinci_mdio_write;
		data->bus->reset	= davinci_mdio_reset;
		data->bus->priv		= data;
	}
	data->bus->parent	= dev;

	data->clk = devm_clk_get(dev, "fck");
	if (IS_ERR(data->clk)) {
		dev_err(dev, "failed to get device clock\n");
		return PTR_ERR(data->clk);
	}

	dev_set_drvdata(dev, data);
	data->dev = dev;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res)
		return -EINVAL;
	data->regs = devm_ioremap(dev, res->start, resource_size(res));
	if (!data->regs)
		return -ENOMEM;

	davinci_mdio_init_clk(data);

	pm_runtime_set_autosuspend_delay(&pdev->dev, autosuspend_delay_ms);
	pm_runtime_use_autosuspend(&pdev->dev);
	pm_runtime_enable(&pdev->dev);

	/* register the mii bus
	 * Create PHYs from DT only in case if PHY child nodes are explicitly
	 * defined to support backward compatibility with DTs which assume that
	 * Davinci MDIO will always scan the bus for PHYs detection.
	 */
	if (dev->of_node && of_get_child_count(dev->of_node))
		data->skip_scan = true;

	ret = of_mdiobus_register(data->bus, dev->of_node);
	if (ret)
		goto bail_out;

	// ��ȡPHY��λGPIO
    rmii1_reset_gpio = devm_gpiod_get_optional(dev, "rmii1-reset", GPIOD_OUT_LOW);
    if (IS_ERR(rmii1_reset_gpio)) {
        ret = PTR_ERR(rmii1_reset_gpio);
        goto bail_out;
    }

	rmii2_reset_gpio = devm_gpiod_get_optional(dev, "rmii2-reset", GPIOD_OUT_LOW);
    if (IS_ERR(rmii2_reset_gpio)) {
        ret = PTR_ERR(rmii2_reset_gpio);
        goto bail_out;
    }

	if (rmii1_reset_gpio && rmii2_reset_gpio) {
        gpiod_set_value_cansleep(rmii1_reset_gpio, 1);
		gpiod_set_value_cansleep(rmii2_reset_gpio, 0);
        msleep(500);
    }

	/* Configure the 8512 PHY chip and disable the broadcast address. */
	int phy_addr = 1; 
	u16 original_val, modified_val;
	
	ret = data->bus->write(data->bus, phy_addr, 0x1e, 0x0000);
	if (ret) {
		dev_err(dev, "Failed to write to PHY 0x1e register\n");
		goto bail_out;
	}
	
	original_val = data->bus->read(data->bus, phy_addr, 0x1f);
	dev_info(dev, "PHY %d register (0x1f) original value: 0x%04x\n", phy_addr, original_val);
	
	modified_val = original_val & ~(0x3 << 5);  // clear bit5 bit6
	
	ret = data->bus->write(data->bus, phy_addr, 0x1f, modified_val);
	if (ret) {
		dev_err(dev, "Failed to write modified value to PHY 0x1f register\n");
		goto bail_out;
	}
	dev_info(dev, "PHY %d broadcast address disabled: bit5-6 cleared, new value: 0x%04x\n", 
			phy_addr, modified_val);

	if (rmii2_reset_gpio) {
		gpiod_set_value_cansleep(rmii2_reset_gpio, 1);
        msleep(500);
    }

	/* config test */
	int switch_addr = 0;

	ret = data->bus->write(data->bus, switch_addr, 0x1f, 0x003c);
	if (ret) {
	    dev_err(dev, "Failed to configure switch\n");
	    goto bail_out;
	}
	u16 switch_reg = data->bus->read(data->bus, switch_addr, 0x1f);
	dev_info(dev, "PHY %d register (0x1f) original value: 0x%04x\n", switch_addr, switch_reg);

	switch_reg = data->bus->read(data->bus, switch_addr, 0x00);
	dev_info(dev, "PHY %d register (0x00) original value: 0x%04x\n", switch_addr, switch_reg);

	switch_reg = data->bus->read(data->bus, switch_addr, 0x0e);
	dev_info(dev, "PHY %d register (0x0e) original value: 0x%04x\n", switch_addr, switch_reg);

	/* scan and dump the bus */
	for (addr = 0; addr < PHY_MAX_ADDR; addr++) {
		phy = mdiobus_get_phy(data->bus, addr);
		if (phy) {
			dev_info(dev, "phy[%d]: device %s, driver %s\n",
				 phy->mdio.addr, phydev_name(phy),
				 phy->drv ? phy->drv->name : "unknown");
		}
	}

	return 0;

bail_out:
	pm_runtime_dont_use_autosuspend(&pdev->dev);
	pm_runtime_disable(&pdev->dev);
	return ret;
}

[    0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
[    0.000000] Linux version 6.6.44-gef8287ba1ad0-dirty (cotrust@cotrust) (aarch64-none-linux-gnu-gcc (Arm GNU Toolchain 11.3.Rel1) 11.3.1 20220712, GNU ld (Arm GNU Toolchain 11.3.Rel1) 2.38.20220708) #17 SMP Thu Aug 28 14:31:53 CST 2025
[    0.000000] Machine model: Texas Instruments J722S EVM
[    0.000000] earlycon: ns16550a0 at MMIO32 0x0000000002800000 (options '')
[    0.000000] printk: bootconsole [ns16550a0] enabled
[    0.000000] efi: UEFI not found.
[    0.000000] OF: reserved mem: 0x0000000080000000..0x000000008007ffff (512 KiB) nomap non-reusable tfa@80000000
[    0.000000] OF: reserved mem: 0x000000009e800000..0x000000009fffffff (24576 KiB) nomap non-reusable optee@9e800000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a0000000, size 1 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-r5f-dma-memory@a0000000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000a0000000..0x00000000a00fffff (1024 KiB) nomap non-reusable vision-apps-r5f-dma-memory@a0000000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a0100000, size 15 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-r5f-memory@a0100000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000a0100000..0x00000000a0ffffff (15360 KiB) nomap non-reusable vision-apps-r5f-memory@a0100000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a1000000, size 1 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-r5f-dma-memory@a1000000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000a1000000..0x00000000a10fffff (1024 KiB) nomap non-reusable vision-apps-r5f-dma-memory@a1000000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a1100000, size 15 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-r5f-memory@a1100000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000a1100000..0x00000000a1ffffff (15360 KiB) nomap non-reusable vision-apps-r5f-memory@a1100000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a2000000, size 1 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-r5f-dma-memory@a2000000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000a2000000..0x00000000a20fffff (1024 KiB) nomap non-reusable vision-apps-r5f-dma-memory@a2000000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a2100000, size 31 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-r5f-memory@a2100000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000a2100000..0x00000000a3ffffff (31744 KiB) nomap non-reusable vision-apps-r5f-memory@a2100000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a5000000, size 32 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-rtos-ipc-memory-region@a5000000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000a5000000..0x00000000a6ffffff (32768 KiB) nomap non-reusable vision-apps-rtos-ipc-memory-region@a5000000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000a7000000, size 96 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-dma-memory@a7000000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000a7000000..0x00000000acffffff (98304 KiB) nomap non-reusable vision-apps-dma-memory@a7000000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000ad000000, size 1 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-c71-dma-memory@ad000000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000ad000000..0x00000000ad0fffff (1024 KiB) nomap non-reusable vision-apps-c71-dma-memory@ad000000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000ad100000, size 63 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-c71_0-memory@ad100000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000ad100000..0x00000000b0ffffff (64512 KiB) nomap non-reusable vision-apps-c71_0-memory@ad100000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000b1000000, size 1 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-c71_1-dma-memory@b1000000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000b1000000..0x00000000b10fffff (1024 KiB) nomap non-reusable vision-apps-c71_1-dma-memory@b1000000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000b1100000, size 63 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-c71_1-memory@b1100000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000b1100000..0x00000000b4ffffff (64512 KiB) nomap non-reusable vision-apps-c71_1-memory@b1100000
[    0.000000] Reserved memory: created DMA memory pool at 0x00000000b5000000, size 40 MiB
[    0.000000] OF: reserved mem: initialized node vision-apps-core-heap-memory-lo@b5000000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x00000000b5000000..0x00000000b77fffff (40960 KiB) nomap non-reusable vision-apps-core-heap-memory-lo@b5000000
[    0.000000] Reserved memory: created DMA memory pool at 0x0000000880000000, size 512 MiB
[    0.000000] OF: reserved mem: initialized node c7x-ddr-heaps-hi@880000000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x0000000880000000..0x000000089fffffff (524288 KiB) nomap non-reusable c7x-ddr-heaps-hi@880000000
[    0.000000] OF: reserved mem: initialized node vision_apps_shared-memories, compatible id dma-heap-carveout
[    0.000000] OF: reserved mem: 0x0000000900000000..0x000000091fffffff (524288 KiB) map non-reusable vision_apps_shared-memories
[    0.000000] Reserved memory: created CMA memory pool at 0x0000000980000000, size 896 MiB
[    0.000000] OF: reserved mem: initialized node linux-cma-buffers@980000000, compatible id shared-dma-pool
[    0.000000] OF: reserved mem: 0x0000000980000000..0x00000009b7ffffff (917504 KiB) map reusable linux-cma-buffers@980000000
[    0.000000] Zone ranges:
[    0.000000]   DMA      [mem 0x0000000080000000-0x00000000ffffffff]
[    0.000000]   DMA32    empty
[    0.000000]   Normal   [mem 0x0000000100000000-0x00000009ffffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000080000000-0x000000008007ffff]
[    0.000000]   node   0: [mem 0x0000000080080000-0x000000009e7fffff]
[    0.000000]   node   0: [mem 0x000000009e800000-0x00000000a3ffffff]
[    0.000000]   node   0: [mem 0x00000000a4000000-0x00000000a4ffffff]
[    0.000000]   node   0: [mem 0x00000000a5000000-0x00000000b77fffff]
[    0.000000]   node   0: [mem 0x00000000b7800000-0x00000000ffffffff]
[    0.000000]   node   0: [mem 0x0000000880000000-0x000000089fffffff]
[    0.000000]   node   0: [mem 0x00000008a0000000-0x00000009ffffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x00000009ffffffff]
[    0.000000] psci: probing for conduit method from DT.
[    0.000000] psci: PSCIv1.1 detected in firmware.
[    0.000000] psci: Using standard PSCI v0.2 function IDs
[    0.000000] psci: Trusted OS migration not required
[    0.000000] psci: SMC Calling Convention v1.5
[    0.000000] percpu: Embedded 21 pages/cpu s45480 r8192 d32344 u86016
[    0.000000] pcpu-alloc: s45480 r8192 d32344 u86016 alloc=21*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[    0.000000] Detected VIPT I-cache on CPU0
[    0.000000] CPU features: detected: GIC system register CPU interface
[    0.000000] CPU features: kernel page table isolation disabled by kernel configuration
[    0.000000] CPU features: detected: ARM erratum 845719
[    0.000000] alternatives: applying boot alternatives
[    0.000000] Kernel command line: console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000 root=PARTUUID=076c4a2a-02 rw rootfstype=ext4 rootwait
[    0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[    0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 2064384
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] software IO TLB: area num 4.
[    0.000000] software IO TLB: mapped [mem 0x00000000fbfff000-0x00000000fffff000] (64MB)
[    0.000000] Memory: 5800576K/8388608K available (10944K kernel code, 1206K rwdata, 2728K rodata, 2240K init, 486K bss, 1670528K reserved, 917504K cma-reserved)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] rcu: Hierarchical RCU implementation.
[    0.000000] rcu:     RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=4.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.
[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
[    0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[    0.000000] GICv3: GIC: Using split EOI/Deactivate mode
[    0.000000] GICv3: 256 SPIs implemented
[    0.000000] GICv3: 0 Extended SPIs implemented
[    0.000000] Root IRQ handler: 0xffff800080010080
[    0.000000] GICv3: GICv3 features: 16 PPIs
[    0.000000] GICv3: CPU0: found redistributor 0 region 0:0x0000000001880000
[    0.000000] ITS [mem 0x01820000-0x0182ffff]
[    0.000000] GIC: enabling workaround for ITS: Socionext Synquacer pre-ITS
[    0.000000] ITS@0x0000000001820000: Devices Table too large, reduce ids 20->19
[    0.000000] ITS@0x0000000001820000: allocated 524288 Devices @8a0800000 (flat, esz 8, psz 64K, shr 0)
[    0.000000] ITS: using cache flushing for cmd queue
[    0.000000] GICv3: using LPI property table @0x00000008a0030000
[    0.000000] GIC: using cache flushing for LPI property table
[    0.000000] GICv3: CPU0: using allocated LPI pending table @0x00000008a0040000
[    0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[    0.000000] arch_timer: cp15 timer(s) running at 200.00MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0x3ffffffffffffff max_cycles: 0x2e2049d3e8, max_idle_ns: 440795210634 ns
[    0.000000] sched_clock: 58 bits at 200MHz, resolution 5ns, wraps every 4398046511102ns
[    0.008475] Console: colour dummy device 80x25
[    0.013059] Calibrating delay loop (skipped), value calculated using timer frequency.. 400.00 BogoMIPS (lpj=200000)
[    0.023722] pid_max: default: 32768 minimum: 301
[    0.028484] LSM: initializing lsm=capability,selinux,integrity
[    0.034456] SELinux:  Initializing.
[    0.038129] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[    0.045883] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[    0.055319] rcu: Hierarchical SRCU implementation.
[    0.060228] rcu:     Max phase no-delay instances is 400.
[    0.065632] Platform MSI: msi-controller@1820000 domain created
[    0.071942] PCI/MSI: /bus@f0000/interrupt-controller@1800000/msi-controller@1820000 domain created
[    0.081201] EFI services will not be available.
[    0.085976] smp: Bringing up secondary CPUs ...
[    0.091075] Detected VIPT I-cache on CPU1
[    0.091147] GICv3: CPU1: found redistributor 1 region 0:0x00000000018a0000
[    0.091161] GICv3: CPU1: using allocated LPI pending table @0x00000008a0050000
[    0.091203] CPU1: Booted secondary processor 0x0000000001 [0x410fd034]
[    0.091654] Detected VIPT I-cache on CPU2
[    0.091703] GICv3: CPU2: found redistributor 2 region 0:0x00000000018c0000
[    0.091715] GICv3: CPU2: using allocated LPI pending table @0x00000008a0060000
[    0.091743] CPU2: Booted secondary processor 0x0000000002 [0x410fd034]
[    0.092138] Detected VIPT I-cache on CPU3
[    0.092179] GICv3: CPU3: found redistributor 3 region 0:0x00000000018e0000
[    0.092190] GICv3: CPU3: using allocated LPI pending table @0x00000008a0070000
[    0.092216] CPU3: Booted secondary processor 0x0000000003 [0x410fd034]
[    0.092260] smp: Brought up 1 node, 4 CPUs
[    0.171836] SMP: Total of 4 processors activated.
[    0.176635] CPU features: detected: 32-bit EL0 Support
[    0.181878] CPU features: detected: CRC32 instructions
[    0.187166] CPU: All CPU(s) started at EL2
[    0.191347] alternatives: applying system-wide alternatives
[    0.198179] devtmpfs: initialized
[    0.211519] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[    0.221494] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[    0.249804] pinctrl core: initialized pinctrl subsystem
[    0.255468] DMI not present or invalid.
[    0.259802] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[    0.266725] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations
[    0.274129] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations
[    0.282218] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations
[    0.290434] audit: initializing netlink subsys (disabled)
[    0.296043] audit: type=2000 audit(0.107:1): state=initialized audit_enabled=0 res=1
[    0.296404] thermal_sys: Registered thermal governor 'step_wise'
[    0.304101] ASID allocator initialised with 65536 entries
[    0.326761] platform 30200000.dss: Fixed dependency cycle(s) with /bus@f0000/dss@30200000/oldi-txes/oldi@1
[    0.336644] platform 30200000.dss: Fixed dependency cycle(s) with /bus@f0000/dss@30200000/oldi-txes/oldi@0
[    0.348286] platform display: Fixed dependency cycle(s) with /bus@f0000/dss@30200000/oldi-txes/oldi@1
[    0.357726] platform display: Fixed dependency cycle(s) with /bus@f0000/dss@30200000/oldi-txes/oldi@0
[    0.368162] Modules: 28336 pages in range for non-PLT usage
[    0.368169] Modules: 519856 pages in range for PLT usage
[    0.374367] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages
[    0.386742] HugeTLB: 0 KiB vmemmap can be freed for a 1.00 GiB page
[    0.393141] HugeTLB: registered 32.0 MiB page size, pre-allocated 0 pages
[    0.400070] HugeTLB: 0 KiB vmemmap can be freed for a 32.0 MiB page
[    0.406466] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages
[    0.413393] HugeTLB: 0 KiB vmemmap can be freed for a 2.00 MiB page
[    0.419790] HugeTLB: registered 64.0 KiB page size, pre-allocated 0 pages
[    0.426718] HugeTLB: 0 KiB vmemmap can be freed for a 64.0 KiB page
[    0.434003] k3-chipinfo 43000014.chipid: Family:J722S rev:SR1.0 JTAGID[0x0bba002f] Detected
[    0.443526] iommu: Default domain type: Translated
[    0.448432] iommu: DMA domain TLB invalidation policy: strict mode
[    0.455008] SCSI subsystem initialized
[    0.458927] libata version 3.00 loaded.
[    0.459074] usbcore: registered new interface driver usbfs
[    0.464694] usbcore: registered new interface driver hub
[    0.470137] usbcore: registered new device driver usb
[    0.475734] pps_core: LinuxPPS API ver. 1 registered
[    0.480803] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.490138] PTP clock support registered
[    0.494291] EDAC MC: Ver: 3.0.0
[    0.497717] scmi_core: SCMI protocol bus registered
[    0.502881] FPGA manager framework
[    0.506423] Advanced Linux Sound Architecture Driver Initialized.
[    0.513393] vgaarb: loaded
[    0.516416] clocksource: Switched to clocksource arch_sys_counter
[    0.522829] VFS: Disk quotas dquot_6.6.0
[    0.526857] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    0.539361] Carveout Heap: Exported 512 MiB at 0x0000000900000000
[    0.545672] NET: Registered PF_INET protocol family
[    0.550911] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[    0.563692] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, linear)
[    0.572482] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[    0.580400] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear)
[    0.588878] TCP bind hash table entries: 65536 (order: 9, 2097152 bytes, linear)
[    0.598209] TCP: Hash tables configured (established 65536 bind 65536)
[    0.605013] UDP hash table entries: 4096 (order: 5, 131072 bytes, linear)
[    0.612095] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes, linear)
[    0.619735] NET: Registered PF_UNIX/PF_LOCAL protocol family
[    0.625847] RPC: Registered named UNIX socket transport module.
[    0.631904] RPC: Registered udp transport module.
[    0.636706] RPC: Registered tcp transport module.
[    0.641505] RPC: Registered tcp-with-tls transport module.
[    0.647103] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.653687] PCI: CLS 0 bytes, default 64
[    0.658650] Initialise system trusted keyrings
[    0.663342] workingset: timestamp_bits=62 max_order=21 bucket_order=0
[    0.670174] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.676303] NFS: Registering the id_resolver key type
[    0.681483] Key type id_resolver registered
[    0.685752] Key type id_legacy registered
[    0.689855] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    0.696698] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[    0.733968] Key type asymmetric registered
[    0.738156] Asymmetric key parser 'x509' registered
[    0.743180] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244)
[    0.750735] io scheduler mq-deadline registered
[    0.755359] io scheduler kyber registered
[    0.759465] io scheduler bfq registered
[    0.766327] pinctrl-single 4084000.pinctrl: 34 pins, size 136
[    0.772768] pinctrl-single f4000.pinctrl: 171 pins, size 684
[    0.784924] Serial: 8250/16550 driver, 12 ports, IRQ sharing enabled
[    0.802580] loop: module loaded
[    0.806732] megasas: 07.725.01.00-rc1
[    0.811346] SPI driver spidev has no spi_device_id for rohm,bh2228fv
[    0.820214] tun: Universal TUN/TAP device driver, 1.6
[    0.826244] VFIO - User Level meta-driver version: 0.3
[    0.832613] usbcore: registered new interface driver usb-storage
[    0.839418] i2c_dev: i2c /dev entries driver
[    0.844293] sdhci: Secure Digital Host Controller Interface driver
[    0.850605] sdhci: Copyright(c) Pierre Ossman
[    0.855262] sdhci-pltfm: SDHCI platform and OF driver helper
[    0.861839] ledtrig-cpu: registered to indicate activity on CPUs
[    0.868273] SMCCC: SOC_ID: ARCH_SOC_ID not implemented, skipping ....
[    0.875444] usbcore: registered new interface driver usbhid
[    0.881135] usbhid: USB HID core driver
[    0.885822] optee: probing for conduit method.
[    0.890385] optee: revision 4.4 (8f645256efc0dc66)
[    0.890682] optee: dynamic shared memory is enabled
[    0.901163] random: crng init done
[    0.904722] optee: initialized driver
[    0.910229] Initializing XFRM netlink socket
[    0.914632] NET: Registered PF_PACKET protocol family
[    0.919852] Key type dns_resolver registered
[    0.930421] Loading compiled-in X.509 certificates
[    0.944877] ti-sci 44043000.system-controller: ABI: 4.0 (firmware rev 0x000a '10.1.6--v10.01.06 (Fiery Fox)')
[    1.006931] rtc-pcf8563 0-0051: low voltage detected, date/time is not reliable.
[    1.014629] rtc-pcf8563 0-0051: registered as rtc0
[    1.019838] rtc-pcf8563 0-0051: low voltage detected, date/time is not reliable.
[    1.027396] rtc-pcf8563 0-0051: hctosys: unable to read the hardware clock
[    1.034827] omap_i2c 20000000.i2c: bus 0 rev0.12 at 400 kHz
[    1.041075] ti-sci-intr 4210000.interrupt-controller: Interrupt Router 5 domain created
[    1.049391] ti-sci-intr bus@f0000:interrupt-controller@a00000: Interrupt Router 3 domain created
[    1.058578] ti-sci-inta 48000000.interrupt-controller: Interrupt Aggregator domain 28 created
[    1.067528] ti-sci-inta 4e400000.interrupt-controller: Interrupt Aggregator domain 200 created
[    1.081988] ti-udma 485c0100.dma-controller: Number of rings: 82
[    1.090162] ti-udma 485c0100.dma-controller: Channels: 44 (bchan: 16, tchan: 12, rchan: 16)
[    1.100656] ti-udma 485c0000.dma-controller: Number of rings: 150
[    1.110896] ti-udma 485c0000.dma-controller: Channels: 35 (tchan: 20, rchan: 15)
[    1.120118] ti-udma 4e230000.dma-controller: Number of rings: 40
[    1.128603] ti-udma 4e230000.dma-controller: Channels: 40 (bchan: 0, tchan: 8, rchan: 32)
[    1.139247] printk: console [ttyS2] disabled
[    1.143895] 2800000.serial: ttyS2 at MMIO 0x2800000 (irq = 305, base_baud = 3000000) is a 8250
[    1.152734] printk: console [ttyS2] enabled
[    1.161175] printk: bootconsole [ns16550a0] disabled
[    1.173005] tidss 30200000.dss: failed to init OLDI: -517
[    1.179890] am65-cpsw-nuss 8000000.ethernet: initializing am65 cpsw nuss version 0x6BA01903, cpsw version 0x6BA81903 Ports: 3 quirks:00000006
[    1.192930] am65-cpsw-nuss 8000000.ethernet: Use random MAC address
[    1.199198] am65-cpsw-nuss 8000000.ethernet: initialized cpsw ale version 1.5
[    1.206323] am65-cpsw-nuss 8000000.ethernet: ALE Table size 512
[    1.212758] am65-cpsw-nuss 8000000.ethernet: CPTS ver 0x4e8a010d, freq:500000000, add_val:1 pps:0
[    1.226111] am65-cpsw-nuss 8000000.ethernet: set new flow-id-base 19
[    1.236684] xhci-hcd xhci-hcd.0.auto: xHCI Host Controller
[    1.242196] xhci-hcd xhci-hcd.0.auto: new USB bus registered, assigned bus number 1
[    1.249932] xhci-hcd xhci-hcd.0.auto: USB3 root hub has no ports
[    1.255932] xhci-hcd xhci-hcd.0.auto: hcc params 0x0258fe6d hci version 0x110 quirks 0x0000008020000010
[    1.265348] xhci-hcd xhci-hcd.0.auto: irq 316, io mem 0x31000000
[    1.272052] hub 1-0:1.0: USB hub found
[    1.275833] hub 1-0:1.0: 1 port detected
[    1.280779] input: pwm-beeper as /devices/platform/pwm-beeper/input/input0
[    1.288988] mmc0: CQHCI version 5.10
[    1.289381] mmc1: CQHCI version 5.10
[    1.298918] panel-simple display: supply power not found, using dummy regulator
[    1.308717] [drm] Initialized tidss 1.0.0 20180215 for 30200000.dss on minor 0
[    1.331063] mmc1: SDHCI controller on fa00000.mmc [fa00000.mmc] using ADMA 64-bit
[    1.331063] mmc0: SDHCI controller on fa10000.mmc [fa10000.mmc] using ADMA 64-bit
[    1.351399] Console: switching to colour frame buffer device 240x67
[    1.388462] tidss 30200000.dss: [drm] fb0: tidssdrmfb frame buffer device
[    1.394575] mmc1: new ultra high speed SDR104 SDXC card at address b36a
[    1.402440] mmcblk1: mmc1:b36a EZSD1 58.2 GiB
[    1.408461]  mmcblk1: p1 p2
[    1.431702] mmc0: Command Queue Engine enabled
[    1.436163] mmc0: new HS400 MMC card at address 0001
[    1.436429] davinci_mdio 8000f00.mdio: davinci mdio revision 17.7, bus freq 1000000
[    1.441607] mmcblk0: mmc0:0001 88A398 7.28 GiB
[    1.454643]  mmcblk0: p1 p2
[    1.457892] mmcblk0boot0: mmc0:0001 88A398 4.00 MiB
[    1.463662] mmcblk0boot1: mmc0:0001 88A398 4.00 MiB
[    1.469291] mmcblk0rpmb: mmc0:0001 88A398 4.00 MiB, chardev (239:0)
[    1.954847] davinci_mdio 8000f00.mdio: PHY 1 register (0x1f) original value: 0x0c7f
[    1.962713] davinci_mdio 8000f00.mdio: PHY 1 broadcast address disabled: bit5-6 cleared, new value: 0x0c1f
[    2.474838] davinci_mdio 8000f00.mdio: PHY 0 register (0x1f) original value: 0xfffb
[    2.482692] davinci_mdio 8000f00.mdio: PHY 0 register (0x00) original value: 0xfffb
[    2.490546] davinci_mdio 8000f00.mdio: PHY 0 register (0x0e) original value: 0xfffb
[    2.498192] davinci_mdio 8000f00.mdio: phy[0]: device 8000f00.mdio:00, driver unknown
[    2.506010] davinci_mdio 8000f00.mdio: phy[1]: device 8000f00.mdio:01, driver unknown
[    2.514927] input: matrix_keyboard0 as /devices/platform/matrix_keyboard0/input/input1
[    2.528535] power_cut_probe sucess !
[    2.532556] clk: Disabling unused clocks
[    2.541419] ALSA device list:
[    2.544392]   No soundcards found.
[    2.701062] EXT4-fs (mmcblk1p2): recovery complete
[    2.706892] EXT4-fs (mmcblk1p2): mounted filesystem 2c28f9f4-ee3a-46b9-95b8-207d7e959c17 r/w with ordered data mode. Quota mode: none.
[    2.719050] VFS: Mounted root (ext4 filesystem) on device 179:2.
[    2.725538] devtmpfs: mounted
[    2.729098] Freeing unused kernel memory: 2240K
[    2.733716] Run /sbin/init as init process
[    2.737807]   with arguments:
[    2.737810]     /sbin/init
[    2.737812]   with environment:
[    2.737815]     HOME=/
[    2.737818]     TERM=linux
[    2.916205] systemd[1]: System time before build time, advancing clock.
[    2.944644] systemd[1]: systemd 255.13^ running in system mode (+PAM -AUDIT -SELINUX -APPARMOR +IMA -SMACK +SECCOMP -GCRYPT -GNUTLS -OPENSSL +ACL +BLKID -CURL -ELFUTILS -FIDO2 -IDN2 -IDN -IPTC +KMOD -LIBCRYPTSETUP +LIBFDISK -PCRE2 -PWQUALITY -P11KIT -QRENCODE -TPM2 -BZIP2 -LZ4 -XZ -ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified)
[    2.976556] systemd[1]: Detected architecture arm64.
[    2.991049] systemd[1]: Hostname set to <j722s-evm>.
[    3.072122] systemd-sysv-generator[100]: SysV service '/etc/init.d/edgeai-launcher.sh' lacks a native systemd unit file. ~ Automatically generating a unit file for compatibility. Please update package to include a native systemd unit file, in order to make it safe, robust and future-proof. ! This compatibility logic is deprecated, expect removal soon. !
[    3.262731] systemd[1]: Binding to IPv6 address not available since kernel does not support IPv6.
[    3.271661] systemd[1]: Binding to IPv6 address not available since kernel does not support IPv6.
[    3.312820] systemd[1]: /usr/lib/systemd/system/bt-enable.service:9: Standard output type syslog is obsolete, automatically updating to journal. Please update your unit file, and consider removing the setting altogether.
[    3.424240] systemd[1]: /etc/systemd/system/sync-clocks.service:11: Standard output type syslog is obsolete, automatically updating to journal. Please update your unit file, and consider removing the setting altogether.
[    3.508509] systemd[1]: Queued start job for default target Graphical Interface.
[    3.531786] systemd[1]: Created slice Slice /system/getty.
[    3.546762] systemd[1]: Created slice Slice /system/modprobe.
[    3.561723] systemd[1]: Created slice Slice /system/serial-getty.
[    3.577135] systemd[1]: Created slice User and Session Slice.
[    3.591795] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[    3.608700] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[    3.627571] systemd[1]: Expecting device /dev/mmcblk0p1...
[    3.638483] systemd[1]: Expecting device /dev/ttyS2...
[    3.649645] systemd[1]: Reached target Path Units.
[    3.660530] systemd[1]: Reached target Remote File Systems.
[    3.674524] systemd[1]: Reached target Slice Units.
[    3.685531] systemd[1]: Reached target Swaps.
[    3.696330] systemd[1]: Listening on RPCbind Server Activation Socket.
[    3.711605] systemd[1]: Reached target RPC Port Mapper.
[    3.733302] systemd[1]: Listening on Process Core Dump Socket.
[    3.747895] systemd[1]: Listening on initctl Compatibility Named Pipe.
[    3.763584] systemd[1]: Listening on Journal Audit Socket.
[    3.778100] systemd[1]: Listening on Journal Socket (/dev/log).
[    3.793129] systemd[1]: Listening on Journal Socket.
[    3.807666] systemd[1]: Listening on Network Service Netlink Socket.
[    3.827593] systemd[1]: Listening on udev Control Socket.
[    3.842146] systemd[1]: Listening on udev Kernel Socket.
[    3.856089] systemd[1]: Listening on User Database Manager Socket.
[    3.884784] systemd[1]: Mounting Huge Pages File System...
[    3.893211] systemd[1]: Mounting POSIX Message Queue File System...
[    3.913632] systemd[1]: Mounting Kernel Debug File System...
[    3.926086] systemd[1]: Kernel Trace File System was skipped because of an unmet condition check (ConditionPathExists=/sys/kernel/tracing).
[    3.947798] systemd[1]: Mounting Temporary Directory /tmp...
[    3.960121] systemd[1]: Create List of Static Device Nodes was skipped because of an unmet condition check (ConditionFileNotEmpty=/lib/modules/6.6.44-gef8287ba1ad0-dirty/modules.devname).
[    3.980347] systemd[1]: Starting Load Kernel Module configfs...
[    3.996183] systemd[1]: Starting Load Kernel Module drm...
[    4.021080] systemd[1]: Starting Load Kernel Module fuse...
[    4.030757] systemd[1]: Starting Start psplash boot splash screen...
[    4.050545] systemd[1]: Starting RPC Bind...
[    4.060951] systemd[1]: File System Check on Root Device was skipped because of an unmet condition check (ConditionPathIsReadWrite=!/).
[    4.074326] systemd[1]: systemd-journald.service: unit configures an IP firewall, but the local system does not support BPF/cgroup firewalling.
[    4.074343] systemd[1]: systemd-journald.service: (This warning is only shown for the first unit using IP firewalling.)
[    4.087136] systemd[1]: Starting Journal Service...
[    4.142168] systemd[1]: Starting Load Kernel Modules...
[    4.159214] systemd[1]: Starting Generate network units from Kernel command line...
[    4.170053] systemd-journald[113]: Collecting audit messages is enabled.
[    4.187865] systemd[1]: Starting Remount Root and Kernel File Systems...
[    4.220980] systemd[1]: Starting Create Static Device Nodes in /dev gracefully...
[    4.252939] EXT4-fs (mmcblk1p2): re-mounted 2c28f9f4-ee3a-46b9-95b8-207d7e959c17 r/w. Quota mode: none.
[    4.267261] systemd[1]: Starting Coldplug All udev Devices...
[    4.287104] systemd[1]: Started RPC Bind.
[    4.297245] systemd[1]: Started Start psplash boot splash screen.
[    4.312994] systemd[1]: Started Journal Service.
[    4.558260] systemd-journald[113]: Received client request to flush runtime journal.
[    6.374213] EXT4-fs (mmcblk0p1): recovery complete
[    6.379909] EXT4-fs (mmcblk0p1): mounted filesystem 253dc52a-5986-46eb-944e-a3d12db0a36e r/w with ordered data mode. Quota mode: none.
[    8.367292] EXT4-fs (mmcblk0p2): mounted filesystem 67e486ba-40d1-424a-beed-1acd824f74ad r/w with ordered data mode. Quota mode: none.
[    8.941075] dbus-broker-lau[547]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
[    9.440810] am65-cpsw-nuss 8000000.ethernet eth0: PHY [8000f00.mdio:01] driver [Generic PHY] (irq=POLL)
[    9.450900] am65-cpsw-nuss 8000000.ethernet eth0: configuring for phy/rmii link mode
[   10.170974] audit: type=1006 audit(1743200114.600:2): pid=674 uid=0 subj=kernel old-auid=4294967295 auid=1000 tty=(none) old-ses=4294967295 ses=1 res=1
[   10.184611] audit: type=1300 audit(1743200114.600:2): arch=c00000b7 syscall=64 success=yes exit=4 a0=8 a1=ffffd93cc6e8 a2=4 a3=1 items=0 ppid=1 pid=674 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=1 comm="(systemd)" exe="/usr/lib/systemd/systemd-executor" subj=kernel key=(null)
[   10.212335] audit: type=1327 audit(1743200114.600:2): proctitle="(systemd)"
[   10.901121] audit: type=1006 audit(1743200115.331:3): pid=644 uid=0 subj=kernel old-auid=4294967295 auid=1000 tty=tty7 old-ses=4294967295 ses=2 res=1
[   10.915140] audit: type=1300 audit(1743200115.331:3): arch=c00000b7 syscall=64 success=yes exit=4 a0=8 a1=ffffe9d6e348 a2=4 a3=1 items=0 ppid=1 pid=644 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=tty7 ses=2 comm="(weston)" exe="/usr/lib/systemd/systemd-executor" subj=kernel key=(null)
[   10.942621] audit: type=1327 audit(1743200115.331:3): proctitle="(weston)"
[   12.565422] platform 2b300050.target-module: deferred probe pending
[ 2270.483110] am65-cpsw-nuss 8000000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx