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
+ 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;
+};
