board: toradex: add verdin am62 support
This adds initial support for the Toradex Verdin AM62 Quad 1GB WB IT
V1.0A module and subsequent V1.1 launch configuration SKUs. They are
strapped to boot from their on-module eMMC. U-Boot supports booting
from the on-module eMMC only, DFU support is disabled for now due to
missing AM62x USB support.
The device trees were taken straight from Linux v6.5-rc1.
Boot sequence is:
SYSFW ---> R5 SPL (both in tiboot3.bin) ---> ATF (TF-A) ---> OP-TEE
---> A53 SPL (part of tispl.bin) ---> U-boot proper (u-boot.img)
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
diff --git a/board/toradex/verdin-am62/Kconfig b/board/toradex/verdin-am62/Kconfig
new file mode 100644
index 0000000..e752224
--- /dev/null
+++ b/board/toradex/verdin-am62/Kconfig
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright 2023 Toradex
+#
+
+choice
+ prompt "Toradex Verdin AM62 based boards"
+ optional
+
+config TARGET_VERDIN_AM62_A53
+ bool "Toradex Verdin AM62 running on A53"
+ select ARM64
+ select BINMAN
+
+config TARGET_VERDIN_AM62_R5
+ bool "Toradex Verdin AM62 running on R5"
+ select CPU_V7R
+ select SYS_THUMB_BUILD
+ select K3_LOAD_SYSFW
+ select RAM
+ select SPL_RAM
+ select K3_DDRSS
+ select BINMAN
+ imply SYS_K3_SPL_ATF
+
+endchoice
+
+if TARGET_VERDIN_AM62_A53
+
+config SYS_BOARD
+ default "verdin-am62"
+
+config SYS_CONFIG_NAME
+ default "verdin-am62"
+
+config SYS_VENDOR
+ default "toradex"
+
+config TDX_CFG_BLOCK
+ default y
+
+config TDX_CFG_BLOCK_2ND_ETHADDR
+ default y
+
+config TDX_CFG_BLOCK_DEV
+ default "0"
+
+config TDX_CFG_BLOCK_EXTRA
+ default y
+
+# Toradex config block in eMMC, at the end of 1st "boot sector"
+config TDX_CFG_BLOCK_OFFSET
+ default "-512"
+
+config TDX_CFG_BLOCK_PART
+ default "1"
+
+config TDX_HAVE_EEPROM_EXTRA
+ default y
+
+config TDX_HAVE_MMC
+ default y
+
+source "board/toradex/common/Kconfig"
+
+endif
+
+if TARGET_VERDIN_AM62_R5
+
+config SPL_LDSCRIPT
+ default "arch/arm/mach-omap2/u-boot-spl.lds"
+
+config SYS_BOARD
+ default "verdin-am62"
+
+config SYS_CONFIG_NAME
+ default "verdin-am62"
+
+config SYS_VENDOR
+ default "toradex"
+
+endif
diff --git a/board/toradex/verdin-am62/MAINTAINERS b/board/toradex/verdin-am62/MAINTAINERS
new file mode 100644
index 0000000..4e75980
--- /dev/null
+++ b/board/toradex/verdin-am62/MAINTAINERS
@@ -0,0 +1,17 @@
+Verdin AM62
+F: arch/arm/dts/k3-am625-verdin-lpddr4-1600MTs.dtsi
+F: arch/arm/dts/k3-am625-verdin-r5.dts
+F: arch/arm/dts/k3-am625-verdin-wifi-dev.dts
+F: arch/arm/dts/k3-am625-verdin-wifi-dev-binman.dtsi
+F: arch/arm/dts/k3-am625-verdin-wifi-dev-u-boot.dtsi
+F: arch/arm/dts/k3-am62-verdin-dev.dtsi
+F: arch/arm/dts/k3-am62-verdin.dtsi
+F: arch/arm/dts/k3-am62-verdin-wifi.dtsi
+F: board/toradex/verdin-am62/
+F: configs/verdin-am62_a53_defconfig
+F: configs/verdin-am62_r5_defconfig
+F: doc/board/toradex/verdin-am62.rst
+F: include/configs/verdin-am62.h
+M: Marcel Ziswiler <marcel.ziswiler@toradex.com>
+S: Maintained
+W: https://www.toradex.com/computer-on-modules/verdin-arm-family/ti-am-62
diff --git a/board/toradex/verdin-am62/Makefile b/board/toradex/verdin-am62/Makefile
new file mode 100644
index 0000000..af1a550
--- /dev/null
+++ b/board/toradex/verdin-am62/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Copyright 2023 Toradex
+#
+
+obj-y += verdin-am62.o
diff --git a/board/toradex/verdin-am62/board-cfg.yaml b/board/toradex/verdin-am62/board-cfg.yaml
new file mode 100644
index 0000000..36cfb55
--- /dev/null
+++ b/board/toradex/verdin-am62/board-cfg.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti.com/
+#
+# Board configuration for AM62
+#
+
+---
+
+board-cfg:
+ rev:
+ boardcfg_abi_maj : 0x0
+ boardcfg_abi_min : 0x1
+ control:
+ subhdr:
+ magic: 0xC1D3
+ size: 7
+ main_isolation_enable : 0x5A
+ main_isolation_hostid : 0x2
+ secproxy:
+ subhdr:
+ magic: 0x1207
+ size: 7
+ scaling_factor : 0x1
+ scaling_profile : 0x1
+ disable_main_nav_secure_proxy : 0
+ msmc:
+ subhdr:
+ magic: 0xA5C3
+ size: 5
+ msmc_cache_size : 0x0
+ debug_cfg:
+ subhdr:
+ magic: 0x020C
+ size: 8
+ trace_dst_enables : 0x00
+ trace_src_enables : 0x00
diff --git a/board/toradex/verdin-am62/pm-cfg.yaml b/board/toradex/verdin-am62/pm-cfg.yaml
new file mode 100644
index 0000000..5d04cf8
--- /dev/null
+++ b/board/toradex/verdin-am62/pm-cfg.yaml
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti.com/
+#
+# Power management configuration for AM62
+#
+
+---
+
+pm-cfg:
+ rev:
+ boardcfg_abi_maj : 0x0
+ boardcfg_abi_min : 0x1
diff --git a/board/toradex/verdin-am62/rm-cfg.yaml b/board/toradex/verdin-am62/rm-cfg.yaml
new file mode 100644
index 0000000..c28707b
--- /dev/null
+++ b/board/toradex/verdin-am62/rm-cfg.yaml
@@ -0,0 +1,1088 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti.com/
+#
+# Resource management configuration for AM62
+#
+
+---
+
+rm-cfg:
+ rm_boardcfg:
+ rev:
+ boardcfg_abi_maj : 0x0
+ boardcfg_abi_min : 0x1
+ host_cfg:
+ subhdr:
+ magic: 0x4C41
+ size : 356
+ host_cfg_entries:
+ - #1
+ host_id: 12
+ allowed_atype : 0x2A
+ allowed_qos : 0xAAAA
+ allowed_orderid : 0xAAAAAAAA
+ allowed_priority : 0xAAAA
+ allowed_sched_priority : 0xAA
+ - #2
+ host_id: 30
+ allowed_atype : 0x2A
+ allowed_qos : 0xAAAA
+ allowed_orderid : 0xAAAAAAAA
+ allowed_priority : 0xAAAA
+ allowed_sched_priority : 0xAA
+ - #3
+ host_id: 36
+ allowed_atype : 0x2A
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+ allowed_orderid : 0xAAAAAAAA
+ allowed_priority : 0xAAAA
+ allowed_sched_priority : 0xAA
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+ -
+ start_resource: 134
+ num_resource: 8
+ type: 1945
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 142
+ num_resource: 8
+ type: 1946
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 142
+ num_resource: 8
+ type: 1947
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 0
+ num_resource: 10
+ type: 1955
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 10
+ num_resource: 3
+ type: 1955
+ host_id: 35
+ reserved: 0
+
+ -
+ start_resource: 10
+ num_resource: 3
+ type: 1955
+ host_id: 36
+ reserved: 0
+
+ -
+ start_resource: 13
+ num_resource: 3
+ type: 1955
+ host_id: 30
+ reserved: 0
+
+ -
+ start_resource: 16
+ num_resource: 3
+ type: 1955
+ host_id: 128
+ reserved: 0
+
+ -
+ start_resource: 19
+ num_resource: 8
+ type: 1956
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 19
+ num_resource: 8
+ type: 1956
+ host_id: 36
+ reserved: 0
+
+ -
+ start_resource: 27
+ num_resource: 1
+ type: 1957
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 28
+ num_resource: 1
+ type: 1958
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 0
+ num_resource: 10
+ type: 1961
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 10
+ num_resource: 3
+ type: 1961
+ host_id: 35
+ reserved: 0
+
+ -
+ start_resource: 10
+ num_resource: 3
+ type: 1961
+ host_id: 36
+ reserved: 0
+
+ -
+ start_resource: 13
+ num_resource: 3
+ type: 1961
+ host_id: 30
+ reserved: 0
+
+ -
+ start_resource: 16
+ num_resource: 3
+ type: 1961
+ host_id: 128
+ reserved: 0
+
+ -
+ start_resource: 0
+ num_resource: 10
+ type: 1962
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 10
+ num_resource: 3
+ type: 1962
+ host_id: 35
+ reserved: 0
+
+ -
+ start_resource: 10
+ num_resource: 3
+ type: 1962
+ host_id: 36
+ reserved: 0
+
+ -
+ start_resource: 13
+ num_resource: 3
+ type: 1962
+ host_id: 30
+ reserved: 0
+
+ -
+ start_resource: 16
+ num_resource: 3
+ type: 1962
+ host_id: 128
+ reserved: 0
+
+ -
+ start_resource: 19
+ num_resource: 1
+ type: 1963
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 19
+ num_resource: 1
+ type: 1963
+ host_id: 36
+ reserved: 0
+
+ -
+ start_resource: 19
+ num_resource: 16
+ type: 1964
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 19
+ num_resource: 16
+ type: 1964
+ host_id: 36
+ reserved: 0
+
+ -
+ start_resource: 20
+ num_resource: 1
+ type: 1965
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 35
+ num_resource: 8
+ type: 1966
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 21
+ num_resource: 1
+ type: 1967
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 35
+ num_resource: 8
+ type: 1968
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 22
+ num_resource: 1
+ type: 1969
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 43
+ num_resource: 8
+ type: 1970
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 23
+ num_resource: 1
+ type: 1971
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 43
+ num_resource: 8
+ type: 1972
+ host_id: 12
+ reserved: 0
+
+ -
+ start_resource: 0
+ num_resource: 1
+ type: 2112
+ host_id: 128
+ reserved: 0
+
+ -
+ start_resource: 2
+ num_resource: 2
+ type: 2122
+ host_id: 12
+ reserved: 0
diff --git a/board/toradex/verdin-am62/sec-cfg.yaml b/board/toradex/verdin-am62/sec-cfg.yaml
new file mode 100644
index 0000000..07081ce
--- /dev/null
+++ b/board/toradex/verdin-am62/sec-cfg.yaml
@@ -0,0 +1,379 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti.com/
+#
+# Security management configuration for AM62
+#
+
+---
+
+sec-cfg:
+ rev:
+ boardcfg_abi_maj : 0x0
+ boardcfg_abi_min : 0x1
+ processor_acl_list:
+ subhdr:
+ magic: 0xF1EA
+ size: 164
+ proc_acl_entries:
+ - #1
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #2
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #3
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #4
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #5
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #6
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #7
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #8
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #9
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #10
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #11
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #12
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #13
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #14
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #15
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #16
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #17
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #18
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #19
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #20
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #21
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #22
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #23
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #24
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #25
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #26
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #27
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #28
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #29
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #30
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #31
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ - #32
+ processor_id: 0
+ proc_access_master: 0
+ proc_access_secondary: [0, 0, 0]
+ host_hierarchy:
+ subhdr:
+ magic: 0x8D27
+ size: 68
+ host_hierarchy_entries:
+ - #1
+ host_id: 0
+ supervisor_host_id: 0
+ - #2
+ host_id: 0
+ supervisor_host_id: 0
+ - #3
+ host_id: 0
+ supervisor_host_id: 0
+ - #4
+ host_id: 0
+ supervisor_host_id: 0
+ - #5
+ host_id: 0
+ supervisor_host_id: 0
+ - #6
+ host_id: 0
+ supervisor_host_id: 0
+ - #7
+ host_id: 0
+ supervisor_host_id: 0
+ - #8
+ host_id: 0
+ supervisor_host_id: 0
+ - #9
+ host_id: 0
+ supervisor_host_id: 0
+ - #10
+ host_id: 0
+ supervisor_host_id: 0
+ - #11
+ host_id: 0
+ supervisor_host_id: 0
+ - #12
+ host_id: 0
+ supervisor_host_id: 0
+ - #13
+ host_id: 0
+ supervisor_host_id: 0
+ - #14
+ host_id: 0
+ supervisor_host_id: 0
+ - #15
+ host_id: 0
+ supervisor_host_id: 0
+ - #16
+ host_id: 0
+ supervisor_host_id: 0
+ - #17
+ host_id: 0
+ supervisor_host_id: 0
+ - #18
+ host_id: 0
+ supervisor_host_id: 0
+ - #19
+ host_id: 0
+ supervisor_host_id: 0
+ - #20
+ host_id: 0
+ supervisor_host_id: 0
+ - #21
+ host_id: 0
+ supervisor_host_id: 0
+ - #22
+ host_id: 0
+ supervisor_host_id: 0
+ - #23
+ host_id: 0
+ supervisor_host_id: 0
+ - #24
+ host_id: 0
+ supervisor_host_id: 0
+ - #25
+ host_id: 0
+ supervisor_host_id: 0
+ - #26
+ host_id: 0
+ supervisor_host_id: 0
+ - #27
+ host_id: 0
+ supervisor_host_id: 0
+ - #28
+ host_id: 0
+ supervisor_host_id: 0
+ - #29
+ host_id: 0
+ supervisor_host_id: 0
+ - #30
+ host_id: 0
+ supervisor_host_id: 0
+ - #31
+ host_id: 0
+ supervisor_host_id: 0
+ - #32
+ host_id: 0
+ supervisor_host_id: 0
+ otp_config:
+ subhdr:
+ magic: 0x4081
+ size: 69
+ write_host_id : 0
+ otp_entry:
+ - #1
+ host_id: 0
+ host_perms: 0
+ - #2
+ host_id: 0
+ host_perms: 0
+ - #3
+ host_id: 0
+ host_perms: 0
+ - #4
+ host_id: 0
+ host_perms: 0
+ - #5
+ host_id: 0
+ host_perms: 0
+ - #6
+ host_id: 0
+ host_perms: 0
+ - #7
+ host_id: 0
+ host_perms: 0
+ - #8
+ host_id: 0
+ host_perms: 0
+ - #9
+ host_id: 0
+ host_perms: 0
+ - #10
+ host_id: 0
+ host_perms: 0
+ - #11
+ host_id: 0
+ host_perms: 0
+ - #12
+ host_id: 0
+ host_perms: 0
+ - #13
+ host_id: 0
+ host_perms: 0
+ - #14
+ host_id: 0
+ host_perms: 0
+ - #15
+ host_id: 0
+ host_perms: 0
+ - #16
+ host_id: 0
+ host_perms: 0
+ - #17
+ host_id: 0
+ host_perms: 0
+ - #18
+ host_id: 0
+ host_perms: 0
+ - #19
+ host_id: 0
+ host_perms: 0
+ - #20
+ host_id: 0
+ host_perms: 0
+ - #21
+ host_id: 0
+ host_perms: 0
+ - #22
+ host_id: 0
+ host_perms: 0
+ - #23
+ host_id: 0
+ host_perms: 0
+ - #24
+ host_id: 0
+ host_perms: 0
+ - #25
+ host_id: 0
+ host_perms: 0
+ - #26
+ host_id: 0
+ host_perms: 0
+ - #27
+ host_id: 0
+ host_perms: 0
+ - #28
+ host_id: 0
+ host_perms: 0
+ - #29
+ host_id: 0
+ host_perms: 0
+ - #30
+ host_id: 0
+ host_perms: 0
+ - #31
+ host_id: 0
+ host_perms: 0
+ - #32
+ host_id: 0
+ host_perms: 0
+ dkek_config:
+ subhdr:
+ magic: 0x5170
+ size: 12
+ allowed_hosts: [128, 0, 0, 0]
+ allow_dkek_export_tisci : 0x5A
+ rsvd: [0, 0, 0]
+ sa2ul_cfg:
+ subhdr:
+ magic: 0x23BE
+ size : 0
+ auth_resource_owner: 0
+ enable_saul_psil_global_config_writes: 0x5A
+ rsvd: [0, 0]
+ sec_dbg_config:
+ subhdr:
+ magic: 0x42AF
+ size: 16
+ allow_jtag_unlock : 0x5A
+ allow_wildcard_unlock : 0x5A
+ allowed_debug_level_rsvd: 0
+ rsvd: 0
+ min_cert_rev : 0x0
+ jtag_unlock_hosts: [0, 0, 0, 0]
+ sec_handover_cfg:
+ subhdr:
+ magic: 0x608F
+ size: 10
+ handover_msg_sender : 0
+ handover_to_host_id : 0
+ rsvd: [0, 0, 0, 0]
diff --git a/board/toradex/verdin-am62/verdin-am62.c b/board/toradex/verdin-am62/verdin-am62.c
new file mode 100644
index 0000000..5b166b1
--- /dev/null
+++ b/board/toradex/verdin-am62/verdin-am62.c
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Board specific initialization for Verdin AM62 SoM
+ *
+ * Copyright 2023 Toradex - https://www.toradex.com/
+ *
+ */
+
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include <dm/uclass.h>
+#include <env.h>
+#include <fdt_support.h>
+#include <init.h>
+#include <k3-ddrss.h>
+#include <spl.h>
+
+#include "../common/tdx-cfg-block.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ return 0;
+}
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size((long *)CFG_SYS_SDRAM_BASE, CFG_SYS_SDRAM_SIZE);
+
+ if (gd->ram_size < SZ_64M)
+ puts("## WARNING: Less than 64MB RAM detected\n");
+
+ return 0;
+}
+
+/*
+ * Avoid relocated U-Boot clash with Linux reserved-memory on 512 MB SoM
+ */
+phys_size_t board_get_usable_ram_top(phys_size_t total_size)
+{
+ return 0x9C000000;
+}
+
+#if defined(CONFIG_SPL_LOAD_FIT)
+int board_fit_config_name_match(const char *name)
+{
+ return 0;
+}
+#endif
+
+#if IS_ENABLED(CONFIG_OF_LIBFDT) && IS_ENABLED(CONFIG_OF_BOARD_SETUP)
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+ return ft_common_board_setup(blob, bd);
+}
+#endif
+
+static void select_dt_from_module_version(void)
+{
+ char variant[32];
+ char *env_variant = env_get("variant");
+ int is_wifi = 0;
+
+ if (IS_ENABLED(CONFIG_TDX_CFG_BLOCK)) {
+ /*
+ * If we have a valid config block and it says we are a module with
+ * Wi-Fi/Bluetooth make sure we use the -wifi device tree.
+ */
+ is_wifi = (tdx_hw_tag.prodid == VERDIN_AM62Q_WIFI_BT_IT) ||
+ (tdx_hw_tag.prodid == VERDIN_AM62S_512MB_WIFI_BT_IT) ||
+ (tdx_hw_tag.prodid == VERDIN_AM62D_1G_WIFI_BT_IT) ||
+ (tdx_hw_tag.prodid == VERDIN_AM62Q_2G_WIFI_BT_IT);
+ }
+
+ if (is_wifi)
+ strlcpy(&variant[0], "wifi", sizeof(variant));
+ else
+ strlcpy(&variant[0], "nonwifi", sizeof(variant));
+
+ if (strcmp(variant, env_variant)) {
+ printf("Setting variant to %s\n", variant);
+ env_set("variant", variant);
+ }
+}
+
+int board_late_init(void)
+{
+ select_dt_from_module_version();
+
+ return 0;
+}
+
+#define CTRLMMR_USB0_PHY_CTRL 0x43004008
+#define CTRLMMR_USB1_PHY_CTRL 0x43004018
+#define CORE_VOLTAGE 0x80000000
+#define MCU_CTRL_LFXOSC_32K_BYPASS_VAL BIT(4)
+
+#ifdef CONFIG_SPL_BOARD_INIT
+void spl_board_init(void)
+{
+ u32 val;
+
+ /* Set USB0 PHY core voltage to 0.85V */
+ val = readl(CTRLMMR_USB0_PHY_CTRL);
+ val &= ~(CORE_VOLTAGE);
+ writel(val, CTRLMMR_USB0_PHY_CTRL);
+
+ /* Set USB1 PHY core voltage to 0.85V */
+ val = readl(CTRLMMR_USB1_PHY_CTRL);
+ val &= ~(CORE_VOLTAGE);
+ writel(val, CTRLMMR_USB1_PHY_CTRL);
+
+ /* We use the 32k FOUT from the Epson RX8130CE RTC chip */
+ /* In WKUP_LFOSC0 clear the power down bit and set the bypass bit
+ * The bypass bit is required as we provide a CMOS clock signal and
+ * the power down seems to be required also in the bypass case
+ * despite of the datasheet stating otherwise
+ */
+ /* Compare with the AM62 datasheet,
+ * Table 7-21. LFXOSC Modes of Operation
+ */
+ val = readl(MCU_CTRL_LFXOSC_CTRL);
+ val &= ~MCU_CTRL_LFXOSC_32K_DISABLE_VAL;
+ val |= MCU_CTRL_LFXOSC_32K_BYPASS_VAL;
+ writel(val, MCU_CTRL_LFXOSC_CTRL);
+ /* Make sure to mux up to take the SoC 32k from the LFOSC input */
+ writel(MCU_CTRL_DEVICE_CLKOUT_LFOSC_SELECT_VAL,
+ MCU_CTRL_DEVICE_CLKOUT_32K_CTRL);
+}
+#endif