Merge tag 'xilinx-for-v2023.01-rc1-v2' of https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze into next

Xilinx changes for v2023.01-rc1 (round 2)

xilinx:
- Add support for new Versal NET SOC

zynqmp:
- Use mdio bus for ethernet phy description
- Wire ethernet phy reset via i2c-gpio

versal:
- Config cleanup

5 files changed, 199 insertions, 3 deletions

diff --git a/board/xilinx/Kconfig b/board/xilinx/Kconfig
index 1788066173..746a2332ad 100644
--- a/board/xilinx/Kconfig
+++ b/board/xilinx/Kconfig
@@ -42,7 +42,7 @@ endif
 
 config XILINX_OF_BOARD_DTB_ADDR
 	hex "Default DTB pickup address"
-	default 0x1000 if ARCH_VERSAL
+	default 0x1000 if ARCH_VERSAL || ARCH_VERSAL_NET
 	default 0x8000 if MICROBLAZE
 	default 0x100000 if ARCH_ZYNQ || ARCH_ZYNQMP
 	depends on OF_BOARD || OF_SEPARATE
@@ -51,10 +51,10 @@ config XILINX_OF_BOARD_DTB_ADDR
 
 config BOOT_SCRIPT_OFFSET
 	hex "Boot script offset"
-	depends on ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL || MICROBLAZE
+	depends on ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL || ARCH_VERSAL_NET || MICROBLAZE
 	default 0xFC0000 if ARCH_ZYNQ || MICROBLAZE
 	default 0x3E80000 if ARCH_ZYNQMP
-	default 0x7F80000 if ARCH_VERSAL
+	default 0x7F80000 if ARCH_VERSAL || ARCH_VERSAL_NET
 	help
 	   Specifies distro boot script offset in NAND/QSPI/NOR flash.
 
diff --git a/board/xilinx/versal-net/Kconfig b/board/xilinx/versal-net/Kconfig
new file mode 100644
index 0000000000..8f94d2bb39
--- /dev/null
+++ b/board/xilinx/versal-net/Kconfig
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (C) 2020 - 2022, Xilinx, Inc.
+# Copyright (C) 2022, Advanced Micro Devices, Inc.
+#
+
+if ARCH_VERSAL_NET
+
+endif
diff --git a/board/xilinx/versal-net/MAINTAINERS b/board/xilinx/versal-net/MAINTAINERS
new file mode 100644
index 0000000000..50120a88d6
--- /dev/null
+++ b/board/xilinx/versal-net/MAINTAINERS
@@ -0,0 +1,8 @@
+XILINX_VERSAL_NET BOARDS
+M:	Michal Simek <michal.simek@amd.com>
+S:	Maintained
+T:	git https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze.git
+F:	arch/arm/dts/versal-net*
+F:	board/xilinx/versal-net/
+F:	include/configs/xilinx_versal_net*
+F:	configs/xilinx_versal_net*
diff --git a/board/xilinx/versal-net/Makefile b/board/xilinx/versal-net/Makefile
new file mode 100644
index 0000000000..2008d4e231
--- /dev/null
+++ b/board/xilinx/versal-net/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (C) 2021 - 2022, Xilinx, Inc.
+# Copyright (C) 2022, Advanced Micro Devices, Inc.
+#
+# Michal Simek <michal.simek@amd.com>
+#
+
+obj-y	:= board.o
diff --git a/board/xilinx/versal-net/board.c b/board/xilinx/versal-net/board.c
new file mode 100644
index 0000000000..760031927f
--- /dev/null
+++ b/board/xilinx/versal-net/board.c
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2021 - 2022, Xilinx, Inc.
+ * Copyright (C) 2022, Advanced Micro Devices, Inc.
+ *
+ * Michal Simek <michal.simek@amd.com>
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+#include <fdtdec.h>
+#include <init.h>
+#include <log.h>
+#include <malloc.h>
+#include <time.h>
+#include <asm/cache.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+#include <dm/device.h>
+#include <dm/uclass.h>
+#include "../common/board.h"
+
+#include <linux/bitfield.h>
+#include <debug_uart.h>
+#include <generated/dt.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	printf("EL Level:\tEL%d\n", current_el());
+
+	return 0;
+}
+
+static u32 platform_id, platform_version;
+
+char *soc_name_decode(void)
+{
+	char *name, *platform_name;
+
+	switch (platform_id) {
+	case VERSAL_NET_SPP:
+		platform_name = "ipp";
+		break;
+	case VERSAL_NET_EMU:
+		platform_name = "emu";
+		break;
+	case VERSAL_NET_QEMU:
+		platform_name = "qemu";
+		break;
+	default:
+		return NULL;
+	}
+
+	/*
+	 * --rev. are 6 chars
+	 * max platform name is qemu which is 4 chars
+	 * platform version number are 1+1
+	 * Plus 1 char for \n
+	 */
+	name = calloc(1, strlen(CONFIG_SYS_BOARD) + 13);
+	if (!name)
+		return NULL;
+
+	sprintf(name, "%s-%s-rev%d.%d", CONFIG_SYS_BOARD,
+		platform_name, platform_version / 10,
+		platform_version % 10);
+
+	return name;
+}
+
+bool soc_detection(void)
+{
+	u32 version;
+
+	version = readl(PMC_TAP_VERSION);
+	platform_id = FIELD_GET(PLATFORM_MASK, version);
+
+	debug("idcode %x, version %x, usercode %x\n",
+	      readl(PMC_TAP_IDCODE), version,
+	      readl(PMC_TAP_USERCODE));
+
+	debug("pmc_ver %lx, ps version %lx, rtl version %lx\n",
+	      FIELD_GET(PMC_VERSION_MASK, version),
+	      FIELD_GET(PS_VERSION_MASK, version),
+	      FIELD_GET(RTL_VERSION_MASK, version));
+
+	platform_version = FIELD_GET(PLATFORM_VERSION_MASK, version);
+
+	if (platform_id == VERSAL_NET_SPP ||
+	    platform_id == VERSAL_NET_EMU) {
+		/*
+		 * 9 is diff for
+		 * 0 means 0.9 version
+		 * 1 means 1.0 version
+		 * 2 means 1.1 version
+		 * etc,
+		 */
+		platform_version += 9;
+	}
+
+	debug("Platform id: %d version: %d.%d\n", platform_id,
+	      platform_version / 10, platform_version % 10);
+
+	return true;
+}
+
+int board_early_init_f(void)
+{
+	if (IS_ENABLED(CONFIG_DEBUG_UART)) {
+		/* Uart debug for sure */
+		debug_uart_init();
+		puts("Debug uart enabled\n"); /* or printch() */
+	}
+
+	return 0;
+}
+
+int board_early_init_r(void)
+{
+	return 0;
+}
+
+int board_late_init(void)
+{
+	if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
+		debug("Saved variables - Skipping\n");
+		return 0;
+	}
+
+	if (!CONFIG_IS_ENABLED(ENV_VARS_UBOOT_RUNTIME_CONFIG))
+		return 0;
+
+	return board_late_init_xilinx();
+}
+
+int dram_init_banksize(void)
+{
+	int ret;
+
+	ret = fdtdec_setup_memory_banksize();
+	if (ret)
+		return ret;
+
+	mem_map_fill();
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	int ret;
+
+	if (CONFIG_IS_ENABLED(SYS_MEM_RSVD_FOR_MMU))
+		ret = fdtdec_setup_mem_size_base();
+	else
+		ret = fdtdec_setup_mem_size_base_lowest();
+
+	if (ret)
+		return -EINVAL;
+
+	return 0;
+}
+
+void reset_cpu(void)
+{
+}