On 19/01/2024 19:50, Apurva Nandan wrote:
> From: Dasnavis Sabiya <sabiy...@ti.com>
>
> 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.
>
> Signed-off-by: Dasnavis Sabiya <sabiy...@ti.com>
> Signed-off-by: Apurva Nandan <a-nan...@ti.com>
> ---
> arch/arm/dts/Makefile | 1 +
> arch/arm/dts/k3-am69-r5-sk.dts | 105 ++++++++++++++++++++++++++++
> arch/arm/dts/k3-am69-sk-u-boot.dtsi | 48 +++++++++++++
> board/ti/j784s4/MAINTAINERS | 2 +
> 4 files changed, 156 insertions(+)
> create mode 100644 arch/arm/dts/k3-am69-r5-sk.dts
> create mode 100644 arch/arm/dts/k3-am69-sk-u-boot.dtsi
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 876802b88e..1c5a6662f6 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -1412,6 +1412,7 @@ dtb-$(CONFIG_SOC_K3_J721S2) +=
> k3-am68-sk-base-board.dtb\
> k3-j721s2-r5-common-proc-board.dtb
>
> dtb-$(CONFIG_SOC_K3_J784S4) += k3-am69-sk.dtb \
> + k3-am69-r5-sk.dtb \
> k3-j784s4-evm.dtb \
> k3-j784s4-r5-evm.dtb
>
> diff --git a/arch/arm/dts/k3-am69-r5-sk.dts b/arch/arm/dts/k3-am69-r5-sk.dts
> new file mode 100644
> index 0000000000..d2e73bd1bf
> --- /dev/null
> +++ b/arch/arm/dts/k3-am69-r5-sk.dts
> @@ -0,0 +1,105 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (C) 2022-2023 Texas Instruments Incorporated -
> https://www.ti.com/
> + */
> +
> +/dts-v1/;
> +
> +#include "k3-am69-sk.dts"
> +#include "k3-j784s4-ddr-evm-lp4-4266.dtsi"
> +#include "k3-j784s4-ddr.dtsi"
> +#include "k3-am69-sk-u-boot.dtsi"
> +
> +/ {
> + chosen {
> + tick-timer = &mcu_timer0;
> + };
> +
> + aliases {
> + remoteproc0 = &sysctrler;
> + remoteproc1 = &a72_0;
> + };
> +
> + a72_0: a72@0 {
> + compatible = "ti,am654-rproc";
> + reg = <0x0 0x00a90000 0x0 0x10>;
> + power-domains = <&k3_pds 61 TI_SCI_PD_EXCLUSIVE>,
> + <&k3_pds 202 TI_SCI_PD_EXCLUSIVE>;
> + resets = <&k3_reset 202 0>;
> + clocks = <&k3_clks 61 0>;
> + assigned-clocks = <&k3_clks 61 0>, <&k3_clks 202 0>;
> + assigned-clock-parents = <&k3_clks 61 2>;
> + assigned-clock-rates = <200000000>, <2000000000>;
> + ti,sci = <&sms>;
> + 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 = <3>;
> + ti,secure-host;
> + mbox-names = "rx", "tx";
> + mboxes= <&secure_proxy_mcu 21>, <&secure_proxy_mcu 23>;
> + bootph-pre-ram;
> + };
> +};
> +
> +&mcu_timer0 {
> + status = "okay";
> + clock-frequency = <250000000>;
> + bootph-pre-ram;
> +};
> +
> +&secure_proxy_sa3 {
> + status = "okay";
> + bootph-pre-ram;
> +};
> +
> +&secure_proxy_mcu {
> + status = "okay";
> + bootph-pre-ram;
> +};
> +
> +&cbass_mcu_wakeup {
> + sysctrler: sysctrler {
> + compatible = "ti,am654-system-controller";
> + mboxes= <&secure_proxy_mcu 4>,
> + <&secure_proxy_mcu 5>,
> + <&secure_proxy_sa3 5>;
> + mbox-names = "tx", "rx", "boot_notify";
> + bootph-pre-ram;
> + };
> +};
> +
> +&sms {
> + mboxes= <&secure_proxy_mcu 8>, <&secure_proxy_mcu 6>,
> <&secure_proxy_mcu 5>;
> + mbox-names = "tx", "rx", "notify";
> + ti,host-id = <4>;
> + ti,secure-host;
> + bootph-pre-ram;
> +};
> +
> +&wkup_uart0 {
> + bootph-pre-ram;
> + status = "okay";
In k3-am69-sk.dts this is marked as reserved. Why do you need to enable it here?
Maybe a comment would help readers.
> +};
> +
> +&ospi0 {
> + reg = <0x0 0x47040000 0x0 0x100>,
> + <0x0 0x50000000 0x0 0x8000000>;
> +};
> +
> +&ospi1 {
> + reg = <0x0 0x47050000 0x0 0x100>,
> + <0x0 0x58000000 0x0 0x8000000>;
> +};
> +
> +&mcu_ringacc {
> + ti,sci = <&dm_tifs>;
> +};
> +
> +&mcu_udmap {
> + ti,sci = <&dm_tifs>;
> +};
> diff --git a/arch/arm/dts/k3-am69-sk-u-boot.dtsi
> b/arch/arm/dts/k3-am69-sk-u-boot.dtsi
> new file mode 100644
> index 0000000000..4f8c99a1e6
> --- /dev/null
> +++ b/arch/arm/dts/k3-am69-sk-u-boot.dtsi
> @@ -0,0 +1,48 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (C) 2022-2023 Texas Instruments Incorporated -
> https://www.ti.com/
> + */
> +
> +#include "k3-j784s4-binman.dtsi"
> +
> +&mcu_udmap {
> + reg = <0x0 0x285c0000 0x0 0x100>,
> + <0x0 0x284c0000 0x0 0x4000>,
> + <0x0 0x2a800000 0x0 0x40000>,
> + <0x0 0x284a0000 0x0 0x4000>,
> + <0x0 0x2aa00000 0x0 0x40000>,
> + <0x0 0x28400000 0x0 0x2000>;
> + reg-names = "gcfg", "rchan", "rchanrt", "tchan",
> + "tchanrt", "rflow";
> + bootph-pre-ram;
> +};
> +
> +&sms {
> + k3_sysreset: sysreset-controller {
> + compatible = "ti,sci-sysreset";
> + bootph-pre-ram;
> + };
> +};
> +
> +#ifdef CONFIG_TARGET_J784S4_A72_EVM
> +
> +#define SPL_AM69_SK_DTB "spl/dts/k3-am69-sk.dtb"
> +#define AM69_SK_DTB "arch/arm/dts/k3-am69-sk.dtb"
> +
> +&spl_j784s4_evm_dtb {
> + filename = SPL_AM69_SK_DTB;
> +};
> +
> +&j784s4_evm_dtb {
> + filename = AM69_SK_DTB;
> +};
> +
> +&spl_j784s4_evm_dtb_unsigned {
> + filename = SPL_AM69_SK_DTB;
> +};
> +
> +&j784s4_evm_dtb_unsigned {
> + filename = AM69_SK_DTB;
> +};
> +
> +#endif
> diff --git a/board/ti/j784s4/MAINTAINERS b/board/ti/j784s4/MAINTAINERS
> index ac6db23da5..53bc4bab03 100644
> --- a/board/ti/j784s4/MAINTAINERS
> +++ b/board/ti/j784s4/MAINTAINERS
> @@ -16,3 +16,5 @@ F: arch/arm/dts/k3-j784s4-ddr-evm-lp4-4266.dtsi
>
> AM69 SK BOARD
> F: arch/arm/dts/k3-am69-sk.dts
> +F: arch/arm/dts/k3-am69-sk-u-boot.dtsi
> +F: arch/arm/dts/k3-am69-r5-sk.dts
--
cheers,
-roger
