[PATCH v2 6/7] arm64: Add initial support for Blaize BLZP1600 CB2

Nikolaos Pasaloukos nikolaos.pasaloukos at blaize.com
Thu Apr 25 02:33:51 PDT 2024


On 24/04/2024 16:15, Conor Dooley wrote:
> On Wed, Apr 24, 2024 at 01:33:23PM +0000, Niko Pasaloukos wrote:
>> Adds support for the Blaize CB2 development board based on
>> BLZP1600 SoC. This consists of a Carrier-Board-2 and a SoM.
>>
>> The blaize-blzp1600.dtsi is the common part for the SoC,
>> blaize-blzp1600-som.dtsi is the common part for the SoM and
>> blaize-blzp1600-cb2.dts is the board specific file.
>>
>> 'make dtbs_check' complains about ['ti,ina3221'] and ['national,lm96163']
>> which are already upstreamed drivers with no yaml documentation.
> 
> Might not be what you want to hear, but please add yaml documentation
> for them. Rob told you to do so on v1:
> https://lore.kernel.org/all/20230412140344.GA2234522-robh@kernel.org/
> 
> That said, I went and looked. ina3221 _is_ documented in a yaml binding
> and has been since October. national,lm96163 on the other hand, you'll
> have to document if you want to use it.
> 
> Cheers,
> Conor.

Apologies Conor. It has been removed for now and I'll do it when
we will push it upstream.

Kind regards,
Niko

> 
>>
>> Co-developed-by: James Cowgill <james.cowgill at blaize.com>
>> Signed-off-by: James Cowgill <james.cowgill at blaize.com>
>> Co-developed-by: Matt Redfearn <matt.redfearn at blaize.com>
>> Signed-off-by: Matt Redfearn <matt.redfearn at blaize.com>
>> Co-developed-by: Neil Jones <neil.jones at blaize.com>
>> Signed-off-by: Neil Jones <neil.jones at blaize.com>
>> Signed-off-by: Nikolaos Pasaloukos <nikolaos.pasaloukos at blaize.com>
>> ---
>>  arch/arm64/boot/dts/Makefile                  |   1 +
>>  arch/arm64/boot/dts/blaize/Makefile           |   2 +
>>  .../boot/dts/blaize/blaize-blzp1600-cb2.dts   |  84 +++++++
>>  .../boot/dts/blaize/blaize-blzp1600-som.dtsi  |  23 ++
>>  .../boot/dts/blaize/blaize-blzp1600.dtsi      | 211 ++++++++++++++++++
>>  5 files changed, 321 insertions(+)
>>  create mode 100644 arch/arm64/boot/dts/blaize/Makefile
>>  create mode 100644 arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts
>>  create mode 100644 arch/arm64/boot/dts/blaize/blaize-blzp1600-som.dtsi
>>  create mode 100644 arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
>> index 30dd6347a929..601b6381ea0c 100644
>> --- a/arch/arm64/boot/dts/Makefile
>> +++ b/arch/arm64/boot/dts/Makefile
>> @@ -9,6 +9,7 @@ subdir-y += apm
>>  subdir-y += apple
>>  subdir-y += arm
>>  subdir-y += bitmain
>> +subdir-y += blaize
>>  subdir-y += broadcom
>>  subdir-y += cavium
>>  subdir-y += exynos
>> diff --git a/arch/arm64/boot/dts/blaize/Makefile b/arch/arm64/boot/dts/blaize/Makefile
>> new file mode 100644
>> index 000000000000..595e7a350300
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/blaize/Makefile
>> @@ -0,0 +1,2 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +dtb-$(CONFIG_ARCH_BLAIZE_BLZP1600) += blaize-blzp1600-cb2.dtb
>> diff --git a/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts b/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts
>> new file mode 100644
>> index 000000000000..0bdec7e81380
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/blaize/blaize-blzp1600-cb2.dts
>> @@ -0,0 +1,84 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +/*
>> + * Copyright (c) 2023 Blaize, Inc. All rights reserved.
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "blaize-blzp1600-som.dtsi"
>> +#include <dt-bindings/net/ti-dp83867.h>
>> +
>> +/ {
>> +	model = "Blaize BLZP1600 SoM1600P CB2 Development Board";
>> +
>> +	compatible = "blaize,blzp1600-cb2", "blaize,blzp1600";
>> +
>> +	aliases {
>> +		serial0 = &uart0;
>> +	};
>> +
>> +	chosen {
>> +		stdout-path = "serial0:115200";
>> +	};
>> +};
>> +
>> +&i2c0 {
>> +	clock-frequency = <100000>;
>> +	status = "okay";
>> +};
>> +
>> +&i2c1 {
>> +	clock-frequency = <100000>;
>> +	status = "okay";
>> +};
>> +
>> +&i2c3 {
>> +	clock-frequency = <100000>;
>> +	status = "okay";
>> +
>> +	gpio_expander: gpio at 74 {
>> +		compatible = "ti,tca9539";
>> +		reg = <0x74>;
>> +		gpio-controller;
>> +		#gpio-cells = <2>;
>> +		gpio-line-names = "RSP_PIN_7",	/* GPIO_0 */
>> +				  "RSP_PIN_11",	/* GPIO_1 */
>> +				  "RSP_PIN_13",	/* GPIO_2 */
>> +				  "RSP_PIN_15",	/* GPIO_3 */
>> +				  "RSP_PIN_27",	/* GPIO_4 */
>> +				  "RSP_PIN_29",	/* GPIO_5 */
>> +				  "RSP_PIN_31",	/* GPIO_6 */
>> +				  "RSP_PIN_33",	/* GPIO_7 */
>> +				  "RSP_PIN_37",	/* GPIO_8 */
>> +				  "RSP_PIN_16",	/* GPIO_9 */
>> +				  "RSP_PIN_18",	/* GPIO_10 */
>> +				  "RSP_PIN_22",	/* GPIO_11 */
>> +				  "RSP_PIN_28",	/* GPIO_12 */
>> +				  "RSP_PIN_32",	/* GPIO_13 */
>> +				  "RSP_PIN_36",	/* GPIO_14 */
>> +				  "TP31";	/* GPIO_15 */
>> +	};
>> +
>> +	gpio_expander_m2: gpio at 75 {
>> +		compatible = "ti,tca9539";
>> +		reg = <0x75>;
>> +		gpio-controller;
>> +		#gpio-cells = <2>;
>> +		gpio-line-names = "M2_W_DIS1_N",	/* GPIO_0 */
>> +				  "M2_W_DIS2_N",	/* GPIO_1 */
>> +				  "M2_UART_WAKE_N",	/* GPIO_2 */
>> +				  "M2_COEX3",		/* GPIO_3 */
>> +				  "M2_COEX_RXD",	/* GPIO_4 */
>> +				  "M2_COEX_TXD",	/* GPIO_5 */
>> +				  "M2_VENDOR_PIN40",	/* GPIO_6 */
>> +				  "M2_VENDOR_PIN42",	/* GPIO_7 */
>> +				  "M2_VENDOR_PIN38",	/* GPIO_8 */
>> +				  "M2_SDIO_RST_N",	/* GPIO_9 */
>> +				  "M2_SDIO_WAKE_N",	/* GPIO_10 */
>> +				  "M2_PETN1",		/* GPIO_11 */
>> +				  "M2_PERP1",		/* GPIO_12 */
>> +				  "M2_PERN1",		/* GPIO_13 */
>> +				  "UIM_SWP",		/* GPIO_14 */
>> +				  "UART1_TO_RSP";	/* GPIO_15 */
>> +	};
>> +};
>> diff --git a/arch/arm64/boot/dts/blaize/blaize-blzp1600-som.dtsi b/arch/arm64/boot/dts/blaize/blaize-blzp1600-som.dtsi
>> new file mode 100644
>> index 000000000000..efac0d6b3d60
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/blaize/blaize-blzp1600-som.dtsi
>> @@ -0,0 +1,23 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +/*
>> + * Copyright (c) 2023 Blaize, Inc. All rights reserved.
>> + */
>> +
>> +#include "blaize-blzp1600.dtsi"
>> +
>> +/ {
>> +	memory at 1000 {
>> +		device_type = "memory";
>> +		reg = <0x0 0x00001000 0xfffff000>;
>> +	};
>> +};
>> +
>> +/* i2c4 bus is available only on the SoM, not on the board */
>> +&i2c4 {
>> +	clock-frequency = <100000>;
>> +	status = "okay";
>> +};
>> +
>> +&uart0 {
>> +	status = "okay";
>> +};
>> diff --git a/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi b/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi
>> new file mode 100644
>> index 000000000000..ad1e502559d8
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/blaize/blaize-blzp1600.dtsi
>> @@ -0,0 +1,211 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +/*
>> + * Copyright (c) 2023 Blaize, Inc. All rights reserved.
>> + */
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>> +#include <dt-bindings/reset/blaize,blzp1600-reset.h>
>> +#include <dt-bindings/clock/blaize,blzp1600-clk.h>
>> +
>> +/ {
>> +	interrupt-parent = <&gic>;
>> +	#address-cells = <2>;
>> +	#size-cells = <1>;
>> +
>> +	cpus {
>> +		#address-cells = <2>;
>> +		#size-cells = <0>;
>> +
>> +		cpu0: cpu at 0 {
>> +			compatible = "arm,cortex-a53";
>> +			device_type = "cpu";
>> +			enable-method = "psci";
>> +			reg = <0x0 0x0>;
>> +			next-level-cache = <&l2>;
>> +		};
>> +
>> +		cpu1: cpu at 1 {
>> +			compatible = "arm,cortex-a53";
>> +			device_type = "cpu";
>> +			enable-method = "psci";
>> +			reg = <0x0 0x1>;
>> +			next-level-cache = <&l2>;
>> +		};
>> +
>> +		l2: l2-cache0 {
>> +			compatible = "cache";
>> +			cache-level = <2>;
>> +			cache-unified;
>> +		};
>> +	};
>> +
>> +	timer {
>> +		compatible = "arm,armv8-timer";
>> +		interrupts = /* Physical Secure PPI */
>> +			     <GIC_PPI 13 (GIC_CPU_MASK_RAW(0x3) |
>> +					  IRQ_TYPE_LEVEL_LOW)>,
>> +			     /* Physical Non-Secure PPI */
>> +			     <GIC_PPI 14 (GIC_CPU_MASK_RAW(0x3) |
>> +					  IRQ_TYPE_LEVEL_LOW)>,
>> +			     /* Hypervisor PPI */
>> +			     <GIC_PPI 10 (GIC_CPU_MASK_RAW(0x3) |
>> +					  IRQ_TYPE_LEVEL_LOW)>,
>> +			     /* Virtual PPI */
>> +			     <GIC_PPI 11 (GIC_CPU_MASK_RAW(0x3) |
>> +					  IRQ_TYPE_LEVEL_LOW)>;
>> +	};
>> +
>> +	psci {
>> +		compatible = "arm,psci-1.0", "arm,psci-0.2";
>> +		method = "smc";
>> +	};
>> +
>> +	pmu {
>> +		compatible = "arm,cortex-a53-pmu";
>> +		interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
>> +			     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
>> +		interrupt-affinity = <&cpu0>, <&cpu1>;
>> +	};
>> +
>> +	sram at 0 {
>> +		/*
>> +		 * On BLZP1600 there is no general purpose (non-secure) SRAM.
>> +		 * A small DDR memory space has been reserved for general use.
>> +		 */
>> +		compatible = "mmio-sram";
>> +		reg = <0x0 0x00000000 0x00001000>;
>> +		#address-cells = <1>;
>> +		#size-cells = <1>;
>> +		ranges = <0 0x0 0x00000000 0x1000>;
>> +
>> +		/* SCMI reserved buffer space on DDR space */
>> +		scmi0_shm: scmi-sram at 800 {
>> +			compatible = "arm,scmi-shmem";
>> +			reg = <0x800 0x80>;
>> +		};
>> +	};
>> +
>> +	firmware {
>> +		scmi {
>> +			compatible = "arm,scmi-smc";
>> +			arm,smc-id = <0x82002000>;
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +
>> +			shmem = <&scmi0_shm>;
>> +
>> +			scmi_clk: protocol at 14 {
>> +				reg = <0x14>;
>> +				#clock-cells = <1>;
>> +			};
>> +
>> +			scmi_rst: protocol at 16 {
>> +				reg = <0x16>;
>> +				#reset-cells = <1>;
>> +			};
>> +		};
>> +	};
>> +
>> +	soc {
>> +		compatible = "simple-bus";
>> +		#address-cells = <2>;
>> +		#size-cells = <1>;
>> +		ranges;
>> +
>> +		gic: interrupt-controller at 200410000 {
>> +			compatible = "arm,gic-400";
>> +			#interrupt-cells = <3>;
>> +			#address-cells = <0>;
>> +			interrupt-controller;
>> +			reg = <0x2 0x00410000 0x20000>,
>> +			      <0x2 0x00420000 0x20000>,
>> +			      <0x2 0x00440000 0x20000>,
>> +			      <0x2 0x00460000 0x20000>;
>> +			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_RAW(0x3) |
>> +						 IRQ_TYPE_LEVEL_LOW)>;
>> +		};
>> +
>> +		uart0: serial at 2004d0000 {
>> +			compatible = "ns16550a";
>> +			reg = <0x2 0x004d0000 0x1000>;
>> +			clocks = <&scmi_clk BLZP1600_UART0_CLK>;
>> +			resets = <&scmi_rst BLZP1600_UART0_RST>;
>> +			reg-shift = <2>;
>> +			interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
>> +			status = "disabled";
>> +		};
>> +
>> +		uart1: serial at 2004e0000 {
>> +			compatible = "ns16550a";
>> +			reg = <0x2 0x004e0000 0x1000>;
>> +			clocks = <&scmi_clk BLZP1600_UART1_CLK>;
>> +			resets = <&scmi_rst BLZP1600_UART1_RST>;
>> +			reg-shift = <2>;
>> +			interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
>> +			status = "disabled";
>> +		};
>> +
>> +		i2c0: i2c at 2004f0000 {
>> +			compatible = "snps,designware-i2c";
>> +			reg = <0x2 0x004f0000 0x1000>;
>> +			interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&scmi_clk BLZP1600_I2C0_CLK>;
>> +			resets = <&scmi_rst BLZP1600_I2C0_RST>;
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			status = "disabled";
>> +		};
>> +
>> +		i2c1: i2c at 200500000 {
>> +			compatible = "snps,designware-i2c";
>> +			reg = <0x2 0x00500000 0x1000>;
>> +			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&scmi_clk BLZP1600_I2C1_CLK>;
>> +			resets = <&scmi_rst BLZP1600_I2C1_RST>;
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			status = "disabled";
>> +		};
>> +
>> +		i2c2: i2c at 200510000 {
>> +			compatible = "snps,designware-i2c";
>> +			reg = <0x2 0x00510000 0x1000>;
>> +			interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&scmi_clk BLZP1600_I2C2_CLK>;
>> +			resets = <&scmi_rst BLZP1600_I2C2_RST>;
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			status = "disabled";
>> +		};
>> +
>> +		i2c3: i2c at 200520000 {
>> +			compatible = "snps,designware-i2c";
>> +			reg = <0x2 0x00520000 0x1000>;
>> +			interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&scmi_clk BLZP1600_I2C3_CLK>;
>> +			resets = <&scmi_rst BLZP1600_I2C3_RST>;
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			status = "disabled";
>> +		};
>> +
>> +		i2c4: i2c at 200530000 {
>> +			compatible = "snps,designware-i2c";
>> +			reg = <0x2 0x00530000 0x1000>;
>> +			interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&scmi_clk BLZP1600_I2C4_CLK>;
>> +			resets = <&scmi_rst BLZP1600_I2C4_RST>;
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			status = "disabled";
>> +		};
>> +
>> +		arm_cc712: crypto at 200550000 {
>> +			compatible = "arm,cryptocell-712-ree";
>> +			reg = <0x2 0x00550000 0x1000>;
>> +			interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks = <&scmi_clk 7>;
>> +		};
>> +	};
>> +};
>> -- 
>> 2.34.1
>>




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