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/kernel/linux/linux-4.19/Documentation/devicetree/bindings/arm/bcm/
Dbrcm,bcm11351-cpu-method.txt1 Broadcom Kona Family CPU Enable Method
2 --------------------------------------
3 This binding defines the enable method used for starting secondary
5 BCM11130, BCM11140, BCM11351, BCM28145, BCM28155, BCM21664
7 The enable method is specified by defining the following required
8 properties in the "cpu" device tree node:
9 - enable-method = "brcm,bcm11351-cpu-method";
10 - secondary-boot-reg = <...>;
12 The secondary-boot-reg property is a u32 value that specifies the
14 code release a secondary CPU. The value written to the register is
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/kernel/linux/linux-5.10/arch/arm/boot/dts/
Dbcm11351.dtsi2 * Copyright (C) 2012-2013 Broadcom Corporation
14 #include <dt-bindings/interrupt-controller/arm-gic.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
17 #include "dt-bindings/clock/bcm281xx.h"
20 #address-cells = <1>;
21 #size-cells = <1>;
22 model = "BCM11351 SoC";
23 compatible = "brcm,bcm11351";
24 interrupt-parent = <&gic>;
31 #address-cells = <1>;
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Dbcm21664.dtsi14 #include <dt-bindings/interrupt-controller/arm-gic.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
17 #include "dt-bindings/clock/bcm21664.h"
20 #address-cells = <1>;
21 #size-cells = <1>;
24 interrupt-parent = <&gic>;
31 #address-cells = <1>;
32 #size-cells = <0>;
34 cpu0: cpu@0 {
35 device_type = "cpu";
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/kernel/linux/linux-4.19/arch/arm/boot/dts/
Dbcm11351.dtsi2 * Copyright (C) 2012-2013 Broadcom Corporation
14 #include <dt-bindings/interrupt-controller/arm-gic.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
17 #include "dt-bindings/clock/bcm281xx.h"
22 model = "BCM11351 SoC";
23 compatible = "brcm,bcm11351";
24 interrupt-parent = <&gic>;
31 #address-cells = <1>;
32 #size-cells = <0>;
34 cpu0: cpu@0 {
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Dbcm21664.dtsi14 #include <dt-bindings/interrupt-controller/arm-gic.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
17 #include "dt-bindings/clock/bcm21664.h"
24 interrupt-parent = <&gic>;
31 #address-cells = <1>;
32 #size-cells = <0>;
34 cpu0: cpu@0 {
35 device_type = "cpu";
36 compatible = "arm,cortex-a9";
40 cpu1: cpu@1 {
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/arm/
Dcpus.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
14 the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
15 defining properties for every cpu.
17 Bindings for CPU nodes follow the Devicetree Specification, available from:
21 with updates for 32-bit and 64-bit ARM systems provided in this document.
30 - square brackets define bitfields, eg reg[7:0] value of the bitfield in
34 cpus and cpu node bindings definition
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/kernel/linux/linux-4.19/Documentation/devicetree/bindings/arm/
Dcpus.txt6 the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
7 defining properties for every cpu.
9 Bindings for CPU nodes follow the Devicetree Specification, available from:
13 with updates for 32-bit and 64-bit ARM systems provided in this document.
22 - square brackets define bitfields, eg reg[7:0] value of the bitfield in
26 cpus and cpu node bindings definition
30 requires the cpus and cpu nodes to be present and contain the properties
33 - cpus node
35 Description: Container of cpu nodes
41 - #address-cells
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/kernel/linux/linux-5.10/arch/arm/mach-bcm/
Dplatsmp.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2014-2015 Broadcom Corporation
12 #include <linux/irqchip/irq-bcm2836.h>
34 #define OF_SECONDARY_BOOT "secondary-boot-reg"
54 return -ENXIO; in scu_a9_enable()
61 return -ENOENT; in scu_a9_enable()
68 return -ENOMEM; in scu_a9_enable()
78 static u32 secondary_boot_addr_for(unsigned int cpu) in secondary_boot_addr_for() argument
81 struct device_node *cpu_node = of_get_cpu_node(cpu, NULL); in secondary_boot_addr_for()
84 pr_err("Failed to find device tree node for CPU%u\n", cpu); in secondary_boot_addr_for()
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/kernel/linux/linux-4.19/arch/arm/mach-bcm/
Dplatsmp.c2 * Copyright (C) 2014-2015 Broadcom Corporation
20 #include <linux/irqchip/irq-bcm2836.h>
40 #define OF_SECONDARY_BOOT "secondary-boot-reg"
60 return -ENXIO; in scu_a9_enable()
67 return -ENOENT; in scu_a9_enable()
74 return -ENOMEM; in scu_a9_enable()
84 static u32 secondary_boot_addr_for(unsigned int cpu) in secondary_boot_addr_for() argument
87 struct device_node *cpu_node = of_get_cpu_node(cpu, NULL); in secondary_boot_addr_for()
90 pr_err("Failed to find device tree node for CPU%u\n", cpu); in secondary_boot_addr_for()
97 pr_err("required secondary boot register not specified for CPU%u\n", in secondary_boot_addr_for()
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