Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-marvell

- net: mv88e6xxx: fix missing SMI address initialization (Marek)
- mvebu: turris_omnia: Enable networking via ethernet switch (Marek)
- mvebu: helios-4: add config fragment for spi booting et al (Josua)
- rng: Add Turris Mox rTWM RNG driver (Max)

arch/arm/dts/armada-385-turris-omnia-u-boot.dtsi

@@ -35,6 +35,57 @@
 	};
 };
 
+&mdio {
+	switch@10 {
+		mdio {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			sw_phy0: ethernet-phy@0 {
+				reg = <0x0>;
+			};
+
+			sw_phy1: ethernet-phy@1 {
+				reg = <0x1>;
+			};
+
+			sw_phy2: ethernet-phy@2 {
+				reg = <0x2>;
+			};
+
+			sw_phy3: ethernet-phy@3 {
+				reg = <0x3>;
+			};
+
+			sw_phy4: ethernet-phy@4 {
+				reg = <0x4>;
+			};
+		};
+		ports {
+			ports@0 {
+				phy-handle = <&sw_phy0>;
+				phy-mode = "internal";
+			};
+			ports@1 {
+				phy-handle = <&sw_phy1>;
+				phy-mode = "internal";
+			};
+			ports@2 {
+				phy-handle = <&sw_phy2>;
+				phy-mode = "internal";
+			};
+			ports@3 {
+				phy-handle = <&sw_phy3>;
+				phy-mode = "internal";
+			};
+			ports@4 {
+				phy-handle = <&sw_phy4>;
+				phy-mode = "internal";
+			};
+		};
+	};
+};
+
 #ifdef CONFIG_ENV_IS_IN_SPI_FLASH
 &spi0 {
 	flash@0 {

arch/arm/dts/armada-38x-solidrun-microsom.dtsi

@@ -99,6 +99,11 @@
 };
 
 &i2c0 {
+	clock-frequency = <400000>;
+	pinctrl-0 = <&i2c0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
 	eeprom@53 {
 		compatible = "atmel,24c02";
 		reg = <0x53>;

board/kobol/helios4/spiboot.config

@@ -0,0 +1,4 @@
+CONFIG_MVEBU_SPL_BOOT_DEVICE_SPI=y
+# CONFIG_MVEBU_SPL_BOOT_DEVICE_MMC is not set
+CONFIG_ENV_OFFSET=0x100000
+CONFIG_ENV_SECT_SIZE=0x10000

configs/helios4_defconfig

@@ -43,7 +43,6 @@ CONFIG_CMD_MMC=y
 CONFIG_CMD_PCI=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
-# CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_TFTPPUT=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y

configs/turris_omnia_defconfig

@@ -95,7 +95,9 @@ CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SPI_FLASH_MTD=y
 CONFIG_PHY_MARVELL=y
 CONFIG_PHY_FIXED=y
+CONFIG_DM_DSA=y
 CONFIG_PHY_GIGE=y
+CONFIG_MV88E6XXX=y
 CONFIG_MVNETA=y
 CONFIG_MII=y
 CONFIG_MVMDIO=y

drivers/net/mv88e6xxx.c

@@ -745,6 +745,7 @@ static int mv88e6xxx_probe(struct udevice *dev)
 {
 	struct dsa_pdata *dsa_pdata = dev_get_uclass_plat(dev);
 	struct mv88e6xxx_priv *priv = dev_get_priv(dev);
+	fdt_addr_t smi_addr;
 	int val, ret;
 
 	if (ofnode_valid(dev_ofnode(dev)) &&
@@ -753,6 +754,13 @@ static int mv88e6xxx_probe(struct udevice *dev)
 		return -ENODEV;
 	}
 
+	smi_addr = dev_read_addr(dev);
+	if (smi_addr == FDT_ADDR_T_NONE) {
+		dev_err(dev, "Missing SMI address\n");
+		return -EINVAL;
+	}
+	priv->smi_addr = smi_addr;
+
 	/* probe internal mdio bus */
 	ret = mv88e6xxx_probe_mdio(dev);
 	if (ret)

drivers/rng/Kconfig

@@ -105,4 +105,12 @@ config RNG_JH7110
 	help
 	  Enable True Random Number Generator in StarFive JH7110 SoCs.
 
+config RNG_TURRIS_RWTM
+	bool "Turris Mox TRNG in Secure Processor"
+	depends on DM_RNG && ARMADA_3700
+	help
+	  Use TRNG in Turris Mox Secure Processor Firmware. Can be used
+	  on other Armada-3700 devices (like EspressoBin) if Secure
+	  Firmware from CZ.NIC is used.
+
 endif

drivers/rng/Makefile

@@ -17,3 +17,4 @@ obj-$(CONFIG_RNG_SMCCC_TRNG) += smccc_trng.o
 obj-$(CONFIG_RNG_ARM_RNDR) += arm_rndr.o
 obj-$(CONFIG_TPM_RNG) += tpm_rng.o
 obj-$(CONFIG_RNG_JH7110) += jh7110_rng.o
+obj-$(CONFIG_RNG_TURRIS_RWTM) += turris_rwtm_rng.o

drivers/rng/turris_rwtm_rng.c

@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
+/*
+ * Copyright (c) 2024, Max Resch
+ */
+
+#include <dm.h>
+#include <malloc.h>
+#include <rng.h>
+#include <asm/dma-mapping.h>
+#include <asm/types.h>
+#include <mach/mbox.h>
+
+/* size of entropy buffer */
+#define RNG_BUFFER_SIZE	128U
+
+struct turris_rwtm_rng_priv {
+	phys_addr_t buffer;
+};
+
+static int turris_rwtm_rng_fill_entropy(phys_addr_t entropy, size_t size)
+{
+	u32 args[3] = { 1, (u32)entropy, size };
+	int ret;
+
+	/* flush data cache */
+	flush_dcache_range(entropy, entropy + size);
+
+	/*
+	 * get entropy
+	 * args[0] = 1 copies BYTES array in args[1] of length args[2]
+	 */
+	ret = mbox_do_cmd(MBOX_CMD_GET_RANDOM, args, 3, NULL, 0);
+	if (ret < 0)
+		return ret;
+
+	/* invalidate data cache */
+	invalidate_dcache_range(entropy, entropy + size);
+
+	return 0;
+}
+
+static int turris_rwtm_rng_random_read(struct udevice *dev, void *data, size_t count)
+{
+	struct turris_rwtm_rng_priv *priv = dev_get_priv(dev);
+	phys_addr_t phys;
+	size_t size;
+	int ret;
+
+	phys = priv->buffer;
+
+	while (count) {
+		size = min_t(size_t, RNG_BUFFER_SIZE, count);
+
+		ret = turris_rwtm_rng_fill_entropy(phys, size);
+		if (ret < 0)
+			return ret;
+
+		memcpy(data, (void *)phys, size);
+		count -= size;
+		data = (u8 *)data + size;
+	}
+
+	return 0;
+}
+
+static int turris_rwtm_rng_probe(struct udevice *dev)
+{
+	struct turris_rwtm_rng_priv *priv = dev_get_priv(dev);
+	u32 args[] = { 0 };
+	int ret;
+
+	/*
+	 * check if the random command is supported
+	 * args[0] = 0 would copy 16 DWORDS entropy to out but we ignore them
+	 */
+	ret = mbox_do_cmd(MBOX_CMD_GET_RANDOM, args, ARRAY_SIZE(args), NULL, 0);
+	if (ret < 0)
+		return ret;
+
+	/* entropy buffer */
+	priv->buffer = 0;
+
+	/* buffer address need to be aligned */
+	dma_alloc_coherent(RNG_BUFFER_SIZE, (unsigned long *)&priv->buffer);
+	if (!priv->buffer)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static int turris_rwtm_rng_remove(struct udevice *dev)
+{
+	struct turris_rwtm_rng_priv *priv = dev_get_priv(dev);
+	phys_addr_t phys = priv->buffer;
+
+	dma_free_coherent((void *)phys);
+
+	return 0;
+}
+
+static const struct dm_rng_ops turris_rwtm_rng_ops = {
+	.read = turris_rwtm_rng_random_read,
+};
+
+/*
+ * only Turris MOX firmware has the RNG but allow all probable devices to be
+ * probed the default firmware will just reject the probe
+ */
+static const struct udevice_id turris_rwtm_rng_match[] = {
+	{ .compatible = "cznic,turris-mox-rwtm" },
+	{ .compatible = "marvell,armada-3700-rwtm-firmware" },
+	{},
+};
+
+U_BOOT_DRIVER(turris_rwtm_rng) = {
+	.name	= "turris-rwtm-rng",
+	.id	= UCLASS_RNG,
+	.of_match = turris_rwtm_rng_match,
+	.ops	= &turris_rwtm_rng_ops,
+	.probe	= turris_rwtm_rng_probe,
+	.remove = turris_rwtm_rng_remove,
+	.priv_auto = sizeof(struct turris_rwtm_rng_priv),
+};