提交: d35b2113745dca34f1557cfad394e6ea79531f2b - uboot (git)

Commit MetaInfo

• 修訂: d35b2113745dca34f1557cfad394e6ea79531f2b (tree)
• 時間: 2022-07-26 02:02:04
• 作者: Sumit Garg <sumit.garg@lina...>
• Commiter: Tom Rini

Log Message

board: qualcomm: Add support for dragonboard845c

Add support for 96Boards Dragonboard 845C aka Robotics RB3 development
platform. This board complies with 96Boards Open Platform Specifications.

Features:
- Qualcomm Snapdragon SDA845 SoC
- 4GiB RAM
- 64GiB UFS drive

U-boot is chain loaded by ABL in 64-bit mode as part of boot.img.
For detailed build and boot instructions, refer to
doc/board/qualcomm/sdm845.rst, board: dragonboard845c.

Signed-off-by: Sumit Garg <[e-mail]>
Reviewed-by: Ramon Fried <[e-mail]>

Change Summary

• add: arch/arm/dts/dragonboard845c-uboot.dtsi
• add: arch/arm/dts/dragonboard845c.dts
• modified: arch/arm/mach-snapdragon/Kconfig
• add: board/qualcomm/dragonboard845c/Kconfig
• add: board/qualcomm/dragonboard845c/MAINTAINERS
• add: board/qualcomm/dragonboard845c/Makefile
• add: board/qualcomm/dragonboard845c/db845c.its
• add: board/qualcomm/dragonboard845c/dragonboard845c.c
• add: configs/dragonboard845c_defconfig
• modified: doc/board/qualcomm/sdm845.rst
• add: include/configs/dragonboard845c.h

差異

--- /dev/null
+++ b/arch/arm/dts/dragonboard845c-uboot.dtsi
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * U-Boot addition to handle Qualcomm Robotics RB3 Development Platform
+ * (dragonboard845c) pins
+ *
+ * (C) Copyright 2022 Sumit Garg <[e-mail]>
+ */
+
+/
+{
+	soc {
+		u-boot,dm-pre-reloc;
+
+		serial@a84000 {
+			u-boot,dm-pre-reloc;
+		};
+
+		clock-controller@100000 {
+			u-boot,dm-pre-reloc;
+		};
+
+		pinctrl_north@3900000 {
+			u-boot,dm-pre-reloc;
+		};
+	};
+};
+
+&pm8998_pon {
+	key_vol_down {
+		gpios = <&pm8998_pon 1 0>;
+		label = "key_vol_down";
+	};
+	key_power {
+		gpios = <&pm8998_pon 0 0>;
+		label = "key_power";
+	};
+};

--- /dev/null
+++ b/arch/arm/dts/dragonboard845c.dts
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Qualcomm Robotics RB3 Development (dragonboard845c) board device
+ * tree source
+ *
+ * (C) Copyright 2022 Sumit Garg <[e-mail]>
+ */
+
+/dts-v1/;
+
+#include "sdm845.dtsi"
+
+/ {
+	model = "Thundercomm Dragonboard 845c";
+	compatible = "thundercomm,db845c", "qcom,sdm845";
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	aliases {
+		serial0 = &debug_uart;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0 0x80000000 0 0xfdfa0000>;
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+	};
+
+	soc: soc {
+		serial@a84000 {
+			status = "okay";
+		};
+	};
+};
+
+#include "dragonboard845c-uboot.dtsi"

--- a/arch/arm/mach-snapdragon/Kconfig
+++ b/arch/arm/mach-snapdragon/Kconfig
@@ -44,6 +44,19 @@ config TARGET_DRAGONBOARD820C
 	  - 3GiB RAM
 	  - 32GiB UFS drive
 
+config TARGET_DRAGONBOARD845C
+	bool "96Boards Dragonboard 845C"
+	help
+	  Support for 96Boards Dragonboard 845C aka Robotics RB3 Development
+	  Platform. This board complies with 96Boards Open Platform
+	  Specifications. Features:
+	  - Qualcomm Snapdragon SDA845 SoC
+	  - 4GiB RAM
+	  - 64GiB UFS drive
+	select MISC_INIT_R
+	select SDM845
+	select DM_ETH if NET
+
 config TARGET_STARQLTECHN
 	bool "Samsung S9 SM-G9600(starqltechn)"
 	help
@@ -60,6 +73,7 @@ endchoice
 
 source "board/qualcomm/dragonboard410c/Kconfig"
 source "board/qualcomm/dragonboard820c/Kconfig"
+source "board/qualcomm/dragonboard845c/Kconfig"
 source "board/samsung/starqltechn/Kconfig"
 
 endif

--- /dev/null
+++ b/board/qualcomm/dragonboard845c/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_DRAGONBOARD845C
+
+config SYS_BOARD
+	default "dragonboard845c"
+
+config SYS_CONFIG_NAME
+	default "dragonboard845c"
+
+config SYS_VENDOR
+	default "qualcomm"
+
+endif

--- /dev/null
+++ b/board/qualcomm/dragonboard845c/MAINTAINERS
@@ -0,0 +1,6 @@
+Qualcomm Robotics RB3 Development Platform (dragonboard845c)
+M:	Sumit Garg <[e-mail]>
+S:	Maintained
+F:	board/qualcomm/dragonboard845c/
+F:	include/configs/dragonboard845c.h
+F:	configs/dragonboard845c_defconfig

--- /dev/null
+++ b/board/qualcomm/dragonboard845c/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2022 Sumit Garg <[e-mail]>
+#
+# This empty file prevents make error.
+# Board logic defined in board/qualcomm/common/sdm845.c, no custom logic for dragonboard845c so far.
+#
+
+obj-y += dragonboard845c.o

--- /dev/null
+++ b/board/qualcomm/dragonboard845c/db845c.its
@@ -0,0 +1,63 @@
+/*
+ * U-Boot uImage source file with multiple kernels, ramdisks and FDT blobs
+ */
+
+/dts-v1/;
+
+/ {
+	description = "Various kernels, ramdisks and FDT blobs";
+	#address-cells = <1>;
+
+	images {
+		kernel-1 {
+			description = "5.15.0-qcomlt-arm64";
+			data = /incbin/("./db845c_imgs/Image.gz--5.15-r0-dragonboard-845c-20211218193034-511.bin");
+			type = "kernel";
+			arch = "arm64";
+			os = "linux";
+			compression = "gzip";
+			load = <0x80000000>;
+			entry = <0x80000000>;
+			hash-1 {
+				algo = "sha1";
+			};
+		};
+
+		ramdisk-1 {
+			description = "initramfs-test-full-image-dragonboard-845c";
+			data = /incbin/("./db845c_imgs/initramfs-test-full-image-dragonboard-845c-20211218193034-511.rootfs.cpio.gz");
+			type = "ramdisk";
+			arch = "arm64";
+			os = "linux";
+			compression = "gzip";
+			load = <00000000>;
+			entry = <00000000>;
+			hash-1 {
+				algo = "sha1";
+			};
+		};
+
+		fdt-1 {
+			description = "sdm845-db845c-fdt";
+			data = /incbin/("./db845c_imgs/sdm845-db845c--5.15-r0-dragonboard-845c-20211218193034.dtb");
+			type = "flat_dt";
+			arch = "arm64";
+			compression = "none";
+			hash-1 {
+				algo = "sha1";
+			};
+		};
+
+	};
+
+	configurations {
+		default = "config-1";
+
+		config-1 {
+			description = "db845c kernel-5.15.0 configuration";
+			kernel = "kernel-1";
+			ramdisk = "ramdisk-1";
+			fdt = "fdt-1";
+		};
+	};
+};

--- /dev/null
+++ b/board/qualcomm/dragonboard845c/dragonboard845c.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * This empty file prevents make linking error.
+ * No custom logic for dragonboard845c so far.
+ *
+ * (C) Copyright 2022 Sumit Garg <[e-mail]>
+ */
+
+void noop(void) {}

--- /dev/null
+++ b/configs/dragonboard845c_defconfig
@@ -0,0 +1,29 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_COUNTER_FREQUENCY=19000000
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_SNAPDRAGON=y
+CONFIG_DEFAULT_DEVICE_TREE="dragonboard845c"
+CONFIG_TARGET_DRAGONBOARD845C=y
+CONFIG_IDENT_STRING="\nQualcomm-DragonBoard 845C"
+CONFIG_SYS_LOAD_ADDR=0x80000000
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_BOOTDELAY=5
+CONFIG_SAVE_PREV_BL_FDT_ADDR=y
+CONFIG_SAVE_PREV_BL_INITRAMFS_START_ADDR=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_MAXARGS=64
+CONFIG_SYS_CBSIZE=512
+CONFIG_CMD_GPIO=y
+# CONFIG_NET is not set
+CONFIG_CLK=y
+CONFIG_MSM_GPIO=y
+CONFIG_PM8916_GPIO=y
+CONFIG_PINCTRL=y
+CONFIG_DM_PMIC=y
+CONFIG_PMIC_PM8916=y
+CONFIG_MSM_GENI_SERIAL=y
+CONFIG_SPMI_MSM=y
+CONFIG_LMB_MAX_REGIONS=64

--- a/doc/board/qualcomm/sdm845.rst
+++ b/doc/board/qualcomm/sdm845.rst
@@ -35,9 +35,25 @@ Pack android boot image
 ^^^^^^^^^^^^^^^^^^^^^^^
 We'll assemble android boot image with ``u-boot.bin`` instead of linux kernel,
 and FIT image instead of ``initramfs``. Android bootloader expect gzipped kernel
-with appended dtb, so let's mimic linux to satisfy stock bootloader:
+with appended dtb, so let's mimic linux to satisfy stock bootloader.
 
-- create dump dtb::
+Boards
+------------
+starqlte
+^^^^^^^^^^^^
+
+The starqltechn is a production board for Samsung S9 (SM-G9600) phone,
+based on the Qualcomm SDM845 SoC.
+
+Steps:
+
+- Build u-boot::
+
+	$ export CROSS_COMPILE=<aarch64 toolchain prefix>
+	$ make starqltechn_defconfig
+	$ make
+
+- Create dump dtb::
 
 	workdir=/tmp/prepare_payload
 	mkdir -p "$workdir"
@@ -56,10 +72,15 @@ with appended dtb, so let's mimic linux to satisfy stock bootloader:
 	};
 	EOF
 
-- gzip u-boot ``gzip u-boot.bin``
-- append dtb to gzipped u-boot: ``cat u-boot.bin.gz "$mock_dtb" > u-boot.bin.gz-dtb``
+- gzip u-boot::
+
+	gzip u-boot.bin
 
-Now we've got everything to build android boot image:::
+- Append dtb to gzipped u-boot::
+
+	cat u-boot.bin.gz "$mock_dtb" > u-boot.bin.gz-dtb
+
+- Now we've got everything to build android boot image::
 
 	mkbootimg --base 0x0 --kernel_offset 0x00008000 \
 	--ramdisk_offset 0x02000000 --tags_offset 0x01e00000 \
@@ -68,16 +89,69 @@ Now we've got everything to build android boot image:::
 	--kernel u-boot.bin.gz-dtb \
 	-o boot.img
 
-Flash image with your phone's flashing method.
+- Flash image with your phone's flashing method.
 
-Boards
-------------
-starqlte
-^^^^^^^^^^^^
+More information can be found on the `Samsung S9 page`_.
 
-The starqltechn is a production board for Samsung S9 (SM-G9600) phone,
-based on the Qualcomm SDM845 SoC.
+dragonboard845c
+^^^^^^^^^^^^^^^
 
-More information can be found on the `Samsung S9 page`_.
+The dragonboard845c is a Qualcomm Robotics RB3 Development Platform, based on
+the Qualcomm SDM845 SoC.
+
+Steps:
+
+- Build u-boot::
+
+	$ export CROSS_COMPILE=<aarch64 toolchain prefix>
+	$ make dragonboard845c_defconfig
+	$ make
+
+- Create dummy dtb::
+
+	workdir=/tmp/prepare_payload
+	mkdir -p "$workdir"
+	mock_dtb="$workdir"/payload_mock.dtb
+
+	dtc -I dts -O dtb -o "$mock_dtb" << EOF
+	/dts-v1/;
+	/ {
+		#address-cells = <2>;
+		#size-cells = <2>;
+
+		memory@80000000 {
+			device_type = "memory";
+			/* We expect the bootloader to fill in the size */
+			reg = <0 0x80000000 0 0>;
+		};
+
+		chosen { };
+	};
+	EOF
+
+- gzip u-boot::
+
+	gzip u-boot.bin
+
+- Append dtb to gzipped u-boot::
+
+	 cat u-boot.bin.gz "$mock_dtb" > u-boot.bin.gz-dtb
+
+- A ``db845c.its`` file can be found in ``board/qualcomm/dragonboard845c/``
+  directory. It expects a folder as ``db845c_imgs/`` in the main directory
+  containing pre-built kernel, dts and ramdisk images. See ``db845c.its``
+  for full path to images::
+
+	mkimage -f db845c.its db845c.itb
+
+- Now we've got everything to build android boot image::
+
+	mkbootimg --kernel u-boot.bin.gz-dtb --ramdisk db845c.itb \
+	--output boot.img --pagesize 4096 --base 0x80000000
+
+- Flash boot.img using db845c fastboot method.
+
+More information can be found on the `DragonBoard 845c page`_.
 
 .. _Samsung S9 page: https://en.wikipedia.org/wiki/Samsung_Galaxy_S9
+.. _DragonBoard 845c page: https://www.96boards.org/product/rb3-platform/

--- /dev/null
+++ b/include/configs/dragonboard845c.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Configuration file for Dragonboard 845c, based on Qualcomm SDA845 chip
+ *
+ * (C) Copyright 2022 Sumit Garg <[e-mail]>
+ */
+
+#ifndef __CONFIGS_SDM845_H
+#define __CONFIGS_SDM845_H
+
+#include <linux/sizes.h>
+#include <asm/arch/sysmap-sdm845.h>
+
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 115200, 230400, 460800, 921600 }
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"bootm_size=0x5000000\0"	\
+	"bootm_low=0x80000000\0"	\
+	"bootcmd=bootm $prevbl_initrd_start_addr\0"
+
+#endif