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[87.16.233.11]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a626cda4151sm801020466b.197.2024.05.30.03.11.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 May 2024 03:11:55 -0700 (PDT) From: Andrea della Porta To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Ray Jui , Scott Branden , Broadcom internal kernel review list , Ulf Hansson , Adrian Hunter , Kamal Dasu , Al Cooper , Stefan Wahren , devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org Cc: Andrea della Porta Subject: [PATCH v5 4/4] arm64: dts: broadcom: Add minimal support for Raspberry Pi 5 Date: Thu, 30 May 2024 12:12:01 +0200 Message-ID: <874589f6c621036620cca944986e5be7238b4784.1717061147.git.andrea.porta@suse.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240530_031158_646479_548ED641 X-CRM114-Status: GOOD ( 21.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The BCM2712 SoC family can be found on Raspberry Pi 5. Add minimal SoC and board (Rpi5 specific) dts file to be able to boot from SD card and use console on debug UART. Signed-off-by: Andrea della Porta Reviewed-by: Stefan Wahren --- arch/arm64/boot/dts/broadcom/Makefile | 1 + .../boot/dts/broadcom/bcm2712-rpi-5-b.dts | 64 ++++ arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 283 ++++++++++++++++++ 3 files changed, 348 insertions(+) create mode 100644 arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts create mode 100644 arch/arm64/boot/dts/broadcom/bcm2712.dtsi diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile index 8b4591ddd27c..92565e9781ad 100644 --- a/arch/arm64/boot/dts/broadcom/Makefile +++ b/arch/arm64/boot/dts/broadcom/Makefile @@ -6,6 +6,7 @@ DTC_FLAGS := -@ dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-400.dtb \ bcm2711-rpi-4-b.dtb \ bcm2711-rpi-cm4-io.dtb \ + bcm2712-rpi-5-b.dtb \ bcm2837-rpi-3-a-plus.dtb \ bcm2837-rpi-3-b.dtb \ bcm2837-rpi-3-b-plus.dtb \ diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts new file mode 100644 index 000000000000..2bdbb6780242 --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/dts-v1/; + +#include +#include "bcm2712.dtsi" + +/ { + compatible = "raspberrypi,5-model-b", "brcm,bcm2712"; + model = "Raspberry Pi 5"; + + aliases { + serial10 = &uart10; + }; + + chosen: chosen { + stdout-path = "serial10:115200n8"; + }; + + /* Will be filled by the bootloader */ + memory@0 { + device_type = "memory"; + reg = <0 0 0 0x28000000>; + }; + + sd_io_1v8_reg: sd-io-1v8-reg { + compatible = "regulator-gpio"; + regulator-name = "vdd-sd-io"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + regulator-settling-time-us = <5000>; + gpios = <&gio_aon 3 GPIO_ACTIVE_HIGH>; + states = <1800000 1>, + <3300000 0>; + }; + + sd_vcc_reg: sd-vcc-reg { + compatible = "regulator-fixed"; + regulator-name = "vcc-sd"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + gpios = <&gio_aon 4 GPIO_ACTIVE_HIGH>; + }; +}; + +/* The Debug UART, on Rpi5 it's on JST-SH 1.0mm 3-pin connector + * labeled "UART", i.e. the interface with the system console. + */ +&uart10 { + status = "okay"; +}; + +/* SDIO1 is used to drive the SD card */ +&sdio1 { + vqmmc-supply = <&sd_io_1v8_reg>; + vmmc-supply = <&sd_vcc_reg>; + bus-width = <4>; + sd-uhs-sdr50; + sd-uhs-ddr50; + sd-uhs-sdr104; +}; diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi new file mode 100644 index 000000000000..bccb7318ce7e --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi @@ -0,0 +1,283 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +#include + +/ { + compatible = "brcm,bcm2712"; + + #address-cells = <2>; + #size-cells = <2>; + + interrupt-parent = <&gicv2>; + + clocks { + /* The oscillator is the root of the clock tree. */ + clk_osc: clk-osc { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-output-names = "osc"; + clock-frequency = <54000000>; + }; + + clk_vpu: clk-vpu { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <750000000>; + clock-output-names = "vpu-clock"; + }; + + clk_uart: clk-uart { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <9216000>; + clock-output-names = "uart-clock"; + }; + + clk_emmc2: clk-emmc2 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <200000000>; + clock-output-names = "emmc2-clock"; + }; + }; + + cpus: cpus { + #address-cells = <1>; + #size-cells = <0>; + + /* Source for L1 d/i cache-line-size, cache-sets, cache-size + * https://developer.arm.com/documentation/100798/0401/L1-memory-system/About-the-L1-memory-system?lang=en + * Source for L2 cache-line-size and cache-sets: + * https://developer.arm.com/documentation/100798/0401/L2-memory-system/About-the-L2-memory-system?lang=en + * and for cache-size: + * https://www.raspberrypi.com/documentation/computers/processors.html#bcm2712 + */ + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a76"; + reg = <0x000>; + enable-method = "psci"; + d-cache-size = <0x10000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set + i-cache-size = <0x10000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set + next-level-cache = <&l2_cache_l0>; + + l2_cache_l0: l2-cache-l0 { + compatible = "cache"; + cache-size = <0x80000>; + cache-line-size = <128>; + cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set + cache-level = <2>; + cache-unified; + next-level-cache = <&l3_cache>; + }; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a76"; + reg = <0x100>; + enable-method = "psci"; + d-cache-size = <0x10000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set + i-cache-size = <0x10000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set + next-level-cache = <&l2_cache_l1>; + + l2_cache_l1: l2-cache-l1 { + compatible = "cache"; + cache-size = <0x80000>; + cache-line-size = <128>; + cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set + cache-level = <2>; + cache-unified; + next-level-cache = <&l3_cache>; + }; + }; + + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a76"; + reg = <0x200>; + enable-method = "psci"; + d-cache-size = <0x10000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set + i-cache-size = <0x10000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set + next-level-cache = <&l2_cache_l2>; + + l2_cache_l2: l2-cache-l2 { + compatible = "cache"; + cache-size = <0x80000>; + cache-line-size = <128>; + cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set + cache-level = <2>; + cache-unified; + next-level-cache = <&l3_cache>; + }; + }; + + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a76"; + reg = <0x300>; + enable-method = "psci"; + d-cache-size = <0x10000>; + d-cache-line-size = <64>; + d-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set + i-cache-size = <0x10000>; + i-cache-line-size = <64>; + i-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set + next-level-cache = <&l2_cache_l3>; + + l2_cache_l3: l2-cache-l3 { + compatible = "cache"; + cache-size = <0x80000>; + cache-line-size = <128>; + cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set + cache-level = <2>; + cache-unified; + next-level-cache = <&l3_cache>; + }; + }; + + /* Source for cache-line-size and cache-sets: + * https://developer.arm.com/documentation/100453/0401/L3-cache?lang=en + * Source for cache-size: + * https://www.raspberrypi.com/documentation/computers/processors.html#bcm2712 + */ + l3_cache: l3-cache { + compatible = "cache"; + cache-size = <0x200000>; + cache-line-size = <64>; + cache-sets = <2048>; // 2MiB(size)/64(line-size)=32768ways/16-way set + cache-level = <3>; + cache-unified; + }; + }; + + psci { + method = "smc"; + compatible = "arm,psci-1.0", "arm,psci-0.2"; + }; + + rmem: reserved-memory { + ranges; + #address-cells = <2>; + #size-cells = <2>; + + atf@0 { + reg = <0x0 0x0 0x0 0x80000>; + no-map; + }; + + cma: linux,cma { + compatible = "shared-dma-pool"; + size = <0x0 0x4000000>; /* 64MB */ + reusable; + linux,cma-default; + alloc-ranges = <0x0 0x00000000 0x0 0x40000000>; + }; + }; + + soc: soc@107c000000 { + compatible = "simple-bus"; + ranges = <0x00000000 0x10 0x00000000 0x80000000>; + #address-cells = <1>; + #size-cells = <1>; + + sdio1: mmc@fff000 { + compatible = "brcm,bcm2712-sdhci", + "brcm,sdhci-brcmstb"; + reg = <0x00fff000 0x260>, + <0x00fff400 0x200>; + reg-names = "host", "cfg"; + interrupts = ; + clocks = <&clk_emmc2>; + clock-names = "sw_sdio"; + mmc-ddr-3_3v; + }; + + system_timer: timer@7c003000 { + compatible = "brcm,bcm2835-system-timer"; + reg = <0x7c003000 0x1000>; + interrupts = , + , + , + ; + clock-frequency = <1000000>; + }; + + mailbox: mailbox@7c013880 { + compatible = "brcm,bcm2835-mbox"; + reg = <0x7c013880 0x40>; + interrupts = ; + #mbox-cells = <0>; + }; + + local_intc: local-intc@7cd00000 { + compatible = "brcm,bcm2836-l1-intc"; + reg = <0x7cd00000 0x100>; + }; + + uart10: serial@7d001000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x7d001000 0x200>; + interrupts = ; + clocks = <&clk_uart>, <&clk_vpu>; + clock-names = "uartclk", "apb_pclk"; + arm,primecell-periphid = <0x00241011>; + status = "disabled"; + }; + + interrupt-controller@7d517000 { + compatible = "brcm,bcm7271-l2-intc"; + reg = <0x7d517000 0x10>; + interrupts = ; + interrupt-controller; + #interrupt-cells = <1>; + }; + + gio_aon: gpio@7d517c00 { + compatible = "brcm,bcm7445-gpio", "brcm,brcmstb-gpio"; + reg = <0x7d517c00 0x40>; + gpio-controller; + #gpio-cells = <2>; + brcm,gpio-bank-widths = <17 6>; + /* The lack of 'interrupt-controller' property here is intended: + * don't use GIO_AON as an interrupt controller because it will + * clash with the firmware monitoring the PMIC interrupt via the VPU. + */ + }; + + gicv2: interrupt-controller@7fff9000 { + compatible = "arm,gic-400"; + reg = <0x7fff9000 0x1000>, + <0x7fffa000 0x2000>, + <0x7fffc000 0x2000>, + <0x7fffe000 0x2000>; + interrupt-controller; + #interrupt-cells = <3>; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + , + ; + }; +};