arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi
Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi
File Facts
- System
- Linux kernel
- Corpus path
arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi- Extension
.dtsi- Size
- 2067 bytes
- Lines
- 162
- Domain
- Architecture Layer
- Bucket
- arch/arm
- Inferred role
- Architecture Layer: configuration, schema, or hardware description
- Status
- atlas-only
Why This File Exists
CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
- CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
- Allocates kernel memory; connect allocation flags and lifetime to context constraints.
Dependency Surface
aspeed-g6.dtsidt-bindings/gpio/aspeed-gpio.hfacebook-bmc-flash-layout-128.dtsi
Detected Declarations
- No top-level syscall, struct, function, initcall, or export declaration detected by the generator.
Annotated Snippet
// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2020 Facebook Inc.
#include "aspeed-g6.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
/ {
aliases {
mmc0 = &emmc;
spi1 = &spi1;
spi2 = &spi_gpio;
};
chosen {
bootargs = "console=ttyS0,9600n8 root=/dev/ram rw vmalloc=640M";
};
memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x80000000>;
};
/*
* GPIO-based SPI Master is required to access SPI TPM, because
* full-duplex SPI transactions are not supported by ASPEED SPI
* Controllers.
*/
spi_gpio: spi {
status = "okay";
compatible = "spi-gpio";
#address-cells = <1>;
#size-cells = <0>;
/*
* chipselect pins are defined in platform .dts files
* separately.
*/
sck-gpios = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
mosi-gpios = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
miso-gpios = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
tpm@0 {
compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
spi-max-frequency = <33000000>;
reg = <0>;
};
};
};
&fmc {
status = "okay";
flash@0 {
status = "okay";
m25p,fast-read;
label = "spi0.0";
#include "facebook-bmc-flash-layout-128.dtsi"
};
flash@1 {
status = "okay";
m25p,fast-read;
label = "spi0.1";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
Annotation
- Immediate include surface: `aspeed-g6.dtsi`, `dt-bindings/gpio/aspeed-gpio.h`, `facebook-bmc-flash-layout-128.dtsi`.
- Atlas domain: Architecture Layer / arch/arm.
- Implementation status: atlas-only.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.