Hi Andrew,

On 02/09/25 19:15, Andrew Davis wrote:
On 9/2/25 1:07 AM, Paresh Bhagat wrote:
Introduce the base dts files needed for u-boot or to augment the
linux dtbs for use in the u-boot-spl and u-boot binaries.
Support added for HS-SE and HS-FS boot binaries for AM62dx via
binman.

Signed-off-by: Paresh Bhagat <p-bha...@ti.com>
---
  arch/arm/dts/Makefile                        |    2 +
  arch/arm/dts/k3-am62d-ddr-1866mhz-32bit.dtsi | 2802 ++++++++++++++++++
  arch/arm/dts/k3-am62d-evm-binman.dtsi        |  359 +++
  arch/arm/dts/k3-am62d2-evm-u-boot.dtsi       |   14 +
  arch/arm/dts/k3-am62d2-r5-evm.dts            |   82 +
  5 files changed, 3259 insertions(+)
  create mode 100644 arch/arm/dts/k3-am62d-ddr-1866mhz-32bit.dtsi
  create mode 100644 arch/arm/dts/k3-am62d-evm-binman.dtsi
  create mode 100644 arch/arm/dts/k3-am62d2-evm-u-boot.dtsi
  create mode 100644 arch/arm/dts/k3-am62d2-r5-evm.dts

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ff8f1ed1ac0..99c37b9c02a 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1109,6 +1109,8 @@ dtb-$(CONFIG_SOC_K3_AM62A7) += \
      k3-am62a7-r5-sk.dtb \
      k3-am62a7-r5-phycore-som-2gb.dtb
  +dtb-$(CONFIG_SOC_K3_AM62D2) += k3-am62d2-r5-evm.dtb
+
  dtb-$(CONFIG_SOC_K3_AM62P5) += k3-am62p5-r5-sk.dtb \
                     k3-am62p5-verdin-r5.dtb \
                     k3-am62p5-verdin-wifi-dev.dtb

[...]

+&binman {
+    ti-spl_unsigned {

Why do we need these unsigned versions of tispl.bin and u-boot.img if we only support HS?

Andrew


Thanks for the review. Will correct this.

+        insert-template = <&ti_spl_unsigned_template>;
+
+        fit {
+            images {
+                tifsstub-hs {
+                    description = "tifsstub";
+                    type = "firmware";
+                    arch = "arm32";
+                    compression = "none";
+                    os = "tifsstub-hs";
+                    load = <0x9ca00000>;
+                    entry = <0x9ca00000>;
+                    blob-ext {
+                        filename = "tifsstub.bin_hs";
+                    };
+                };
+
+                tifsstub-fs {
+                    description = "tifsstub";
+                    type = "firmware";
+                    arch = "arm32";
+                    compression = "none";
+                    os = "tifsstub-fs";
+                    load = <0x9ca00000>;
+                    entry = <0x9ca00000>;
+                    blob-ext {
+                        filename = "tifsstub.bin_fs";
+                    };
+                };
+
+                dm {
+                    ti-dm {
+                        filename = AM62A7_SK_DM;
+                    };
+                };
+
+                fdt-0 {
+                    description = "k3-am62d2-evm";
+                    type = "flat_dt";
+                    arch = "arm";
+                    compression = "none";
+                    blob {
+                        filename = "spl/dts/ti/k3-am62d2-evm.dtb";
+                    };
+                };
+            };
+
+            configurations {
+                default = "conf-0";
+
+                conf-0 {
+                    description = "k3-am62d2-evm";
+                    firmware = "atf";
+                    loadables = "tee", "dm", "spl",
+                    "tifsstub-hs", "tifsstub-fs";
+                    fdt = "fdt-0";
+                };
+            };
+        };
+    };
+};
+
+&binman {
+    u-boot_unsigned {
+        insert-template = <&u_boot_unsigned_template>;
+
+        fit {
+            images {
+                uboot {
+                    description = "U-Boot for AM62Dx Board";
+                };
+
+                fdt-0 {
+                    description = "k3-am62d2-evm";
+                    type = "flat_dt";
+                    arch = "arm";
+                    compression = "none";
+                    blob {
+                        filename = "u-boot.dtb";
+                    };
+                    hash {
+                        algo = "crc32";
+                    };
+                };
+            };
+
+            configurations {
+                default = "conf-0";
+
+                conf-0 {
+                    description = "k3-am62d2-evm";
+                    firmware = "uboot";
+                    loadables = "uboot";
+                    fdt = "fdt-0";
+                };
+            };
+        };
+    };
+};
+#endif
diff --git a/arch/arm/dts/k3-am62d2-evm-u-boot.dtsi b/arch/arm/dts/k3-am62d2-evm-u-boot.dtsi
new file mode 100644
index 00000000000..d1b17e8f83f
--- /dev/null
+++ b/arch/arm/dts/k3-am62d2-evm-u-boot.dtsi
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Common AM62D EVM dts file for SPLs
+ * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#include "k3-am62d-evm-binman.dtsi"
+
+/ {
+    chosen {
+        stdout-path = "serial2:115200n8";
+        tick-timer = &main_timer0;
+    };
+};
diff --git a/arch/arm/dts/k3-am62d2-r5-evm.dts b/arch/arm/dts/k3-am62d2-r5-evm.dts
new file mode 100644
index 00000000000..a3213d00145
--- /dev/null
+++ b/arch/arm/dts/k3-am62d2-r5-evm.dts
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * AM62D2 EVM dts file for R5 SPL
+ * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#include "k3-am62d2-evm.dts"
+#include "k3-am62d-ddr-1866mhz-32bit.dtsi"
+#include "k3-am62a-ddr.dtsi"
+
+#include "k3-am62d2-evm-u-boot.dtsi"
+
+/ {
+    aliases {
+        tick-timer = &main_timer0;
+        remoteproc0 = &sysctrler;
+        remoteproc1 = &a53_0;
+    };
+
+    a53_0: a53@0 {
+        compatible = "ti,am654-rproc";
+        reg = <0x00 0x00a90000 0x00 0x10>;
+        power-domains = <&k3_pds 61 TI_SCI_PD_EXCLUSIVE>,
+                <&k3_pds 135 TI_SCI_PD_EXCLUSIVE>,
+                <&k3_pds 166 TI_SCI_PD_EXCLUSIVE>;
+        resets = <&k3_reset 135 0>;
+        clocks = <&k3_clks 61 0>, <&k3_clks 135 0>;
+        clock-names = "gtc", "core";
+        assigned-clocks = <&k3_clks 61 0>, <&k3_clks 135 0>;
+        assigned-clock-parents = <&k3_clks 61 2>;
+        assigned-clock-rates = <200000000>, <1200000000>;
+        ti,sci = <&dmsc>;
+        ti,sci-proc-id = <32>;
+        ti,sci-host-id = <10>;
+        bootph-pre-ram;
+    };
+
+    dm_tifs: dm-tifs {
+        compatible = "ti,j721e-dm-sci";
+        ti,host-id = <36>;
+        ti,secure-host;
+        mbox-names = "rx", "tx";
+        mboxes= <&secure_proxy_main 22>,
+            <&secure_proxy_main 23>;
+        bootph-pre-ram;
+    };
+};
+
+&dmsc {
+    mboxes= <&secure_proxy_main 0>,
+        <&secure_proxy_main 1>,
+        <&secure_proxy_main 0>;
+    mbox-names = "rx", "tx", "notify";
+    ti,host-id = <35>;
+    ti,secure-host;
+};
+
+&secure_proxy_sa3 {
+    /* Needed for initial handshake with ROM */
+    status = "okay";
+    bootph-pre-ram;
+};
+
+&cbass_main {
+    sysctrler: sysctrler {
+        compatible = "ti,am654-tisci-rproc-r5";
+        mboxes= <&secure_proxy_main 1>,
+            <&secure_proxy_main 0>,
+            <&secure_proxy_sa3 0>;
+        mbox-names = "tx", "rx", "boot_notify";
+        bootph-pre-ram;
+    };
+};
+
+&main_timer0 {
+    /delete-property/ clocks;
+    /delete-property/ clocks-names;
+    /delete-property/ assigned-clocks;
+    /delete-property/ assigned-clock-parents;
+    clock-frequency = <25000000>;
+    bootph-pre-ram;
+};

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