The AM652 is basically a AM654 but with 2 cores instead of 4. Add a DTSI file for AM652 matching AM654 except this core difference. This removes the need to remove the extra cores from AM654 manually in DT files for boards that use the AM652 variant. Do that for the IOT2050 boards here. Signed-off-by: Andrew Davis <afd@xxxxxx> Reviewed-by: Bryan Brattlof <bb@xxxxxx> --- Changes for v2: - Add r-b - Rebase on next-20231204 .../boot/dts/ti/k3-am65-iot2050-common.dtsi | 1 - arch/arm64/boot/dts/ti/k3-am652.dtsi | 74 +++++++++++++++++++ .../ti/k3-am6528-iot2050-basic-common.dtsi | 11 +-- .../ti/k3-am6548-iot2050-advanced-common.dtsi | 1 + 4 files changed, 76 insertions(+), 11 deletions(-) create mode 100644 arch/arm64/boot/dts/ti/k3-am652.dtsi diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi index ab1dffa5c1c6f..73ff119d85cdc 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi @@ -9,7 +9,6 @@ * Common bits of the IOT2050 Basic and Advanced variants, PG1 and PG2 */ -#include "k3-am654.dtsi" #include <dt-bindings/phy/phy.h> #include <dt-bindings/net/ti-dp83867.h> diff --git a/arch/arm64/boot/dts/ti/k3-am652.dtsi b/arch/arm64/boot/dts/ti/k3-am652.dtsi new file mode 100644 index 0000000000000..0f22e00faa903 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am652.dtsi @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Source for AM65 SoC family in Dual core configuration + * + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#include "k3-am65.dtsi" + +/ { + cpus { + #address-cells = <1>; + #size-cells = <0>; + cpu-map { + cluster0: cluster0 { + core0 { + cpu = <&cpu0>; + }; + + core1 { + cpu = <&cpu1>; + }; + }; + }; + + cpu0: cpu@0 { + compatible = "arm,cortex-a53"; + reg = <0x000>; + device_type = "cpu"; + enable-method = "psci"; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + next-level-cache = <&L2_0>; + }; + + cpu1: cpu@1 { + compatible = "arm,cortex-a53"; + reg = <0x001>; + device_type = "cpu"; + enable-method = "psci"; + i-cache-size = <0x8000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; + d-cache-size = <0x8000>; + d-cache-line-size = <64>; + d-cache-sets = <128>; + next-level-cache = <&L2_0>; + }; + }; + + L2_0: l2-cache0 { + compatible = "cache"; + cache-level = <2>; + cache-unified; + cache-size = <0x80000>; + cache-line-size = <64>; + cache-sets = <512>; + next-level-cache = <&msmc_l3>; + }; + + msmc_l3: l3-cache0 { + compatible = "cache"; + cache-level = <3>; + cache-unified; + }; + + thermal_zones: thermal-zones { + #include "k3-am654-industrial-thermal.dtsi" + }; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic-common.dtsi b/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic-common.dtsi index 5ab434c02ab6b..feb0eae4e6df4 100644 --- a/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic-common.dtsi @@ -9,6 +9,7 @@ * Common bits of the IOT2050 Basic variant, PG1 and PG2 */ +#include "k3-am652.dtsi" #include "k3-am65-iot2050-common.dtsi" / { @@ -17,16 +18,6 @@ memory@80000000 { /* 1G RAM */ reg = <0x00000000 0x80000000 0x00000000 0x40000000>; }; - - cpus { - cpu-map { - /delete-node/ cluster1; - }; - /delete-node/ cpu@100; - /delete-node/ cpu@101; - }; - - /delete-node/ l2-cache1; }; /* eMMC */ diff --git a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-common.dtsi b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-common.dtsi index be55494b1f3fc..ff2fdc2e12e3c 100644 --- a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-common.dtsi @@ -11,6 +11,7 @@ /dts-v1/; +#include "k3-am654.dtsi" #include "k3-am65-iot2050-common.dtsi" / { -- 2.39.2
