On 25/04/2022 20:06, Angus Ainslie wrote:
Initial commit of Librem5 u-boot and SPL
Signed-off-by: Angus Ainslie angus@akkea.ca Co-developed-by: Sebastian Krzyszkowiak sebastian.krzyszkowiak@puri.sm Signed-off-by: Sebastian Krzyszkowiak sebastian.krzyszkowiak@puri.sm
All of the pre-requisite patches for this board are now upstream or in review.
Changes since v3:
Dropped unused MMCROOT Rebased on u-boot-imx Needs this patch to supress SPL warnings https://lists.denx.de/pipermail/u-boot/2022-April/482369.html
Changes since v2:
Cleanup Kconfig symbols used in librem5.h Cleanup various checkpatch issues Drop some un-used functions
Changes since v1:
Merged patches into a monolithic board patch Using DM drivers for devices in u-boot Added USB storage support for uSD rootfs Dropped many SPL_BUILD guarded define's Fixed documentation index
arch/arm/dts/Makefile | 3 +- arch/arm/dts/imx8mq-librem5-r4-u-boot.dtsi | 134 ++ arch/arm/dts/imx8mq-librem5-r4.dts | 35 + arch/arm/dts/imx8mq-librem5.dtsi | 1255 +++++++++++++++++ arch/arm/mach-imx/imx8m/Kconfig | 9 + board/purism/librem5/Kconfig | 15 + board/purism/librem5/MAINTAINERS | 8 + board/purism/librem5/Makefile | 13 + board/purism/librem5/imximage-8mq-lpddr4.cfg | 8 + board/purism/librem5/librem5.c | 425 ++++++ board/purism/librem5/librem5.h | 181 +++ board/purism/librem5/lpddr4_timing.c | 1324 ++++++++++++++++++ board/purism/librem5/lpddr4_timing_b0.c | 1191 ++++++++++++++++ board/purism/librem5/spl.c | 593 ++++++++ configs/librem5_defconfig | 142 ++ doc/board/index.rst | 1 + doc/board/purism/index.rst | 9 + doc/board/purism/librem5.rst | 60 + include/configs/librem5.h | 113 ++ 19 files changed, 5518 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/imx8mq-librem5-r4-u-boot.dtsi create mode 100644 arch/arm/dts/imx8mq-librem5-r4.dts create mode 100644 arch/arm/dts/imx8mq-librem5.dtsi create mode 100644 board/purism/librem5/Kconfig create mode 100644 board/purism/librem5/MAINTAINERS create mode 100644 board/purism/librem5/Makefile create mode 100644 board/purism/librem5/imximage-8mq-lpddr4.cfg create mode 100644 board/purism/librem5/librem5.c create mode 100644 board/purism/librem5/librem5.h create mode 100644 board/purism/librem5/lpddr4_timing.c create mode 100644 board/purism/librem5/lpddr4_timing_b0.c create mode 100644 board/purism/librem5/spl.c create mode 100644 configs/librem5_defconfig create mode 100644 doc/board/purism/index.rst create mode 100644 doc/board/purism/librem5.rst create mode 100644 include/configs/librem5.h
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 90f86e3fca..719fd7db8d 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -937,7 +937,8 @@ dtb-$(CONFIG_ARCH_IMX8M) += \ imx8mp-venice-gw74xx.dtb \ imx8mp-verdin.dtb \ imx8mq-pico-pi.dtb \
- imx8mq-kontron-pitx-imx8m.dtb
- imx8mq-kontron-pitx-imx8m.dtb \
- imx8mq-librem5-r4.dtb
dtb-$(CONFIG_ARCH_IMXRT) += imxrt1050-evk.dtb \ imxrt1020-evk.dtb diff --git a/arch/arm/dts/imx8mq-librem5-r4-u-boot.dtsi b/arch/arm/dts/imx8mq-librem5-r4-u-boot.dtsi new file mode 100644 index 0000000000..e3f780ca75 --- /dev/null +++ b/arch/arm/dts/imx8mq-librem5-r4-u-boot.dtsi @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/ {
- binman: binman {
multiple-images;- };
+};
+&binman {
- u-boot-spl-ddr {
filename = "u-boot-spl-ddr.bin";pad-byte = <0xff>;align-size = <4>;align = <4>;u-boot-spl {align-end = <4>;};blob_1: blob-ext@1 {filename = "lpddr4_pmu_train_1d_imem.bin";size = <0x8000>;};blob_2: blob-ext@2 {filename = "lpddr4_pmu_train_1d_dmem.bin";size = <0x4000>;};blob_3: blob-ext@3 {filename = "lpddr4_pmu_train_2d_imem.bin";size = <0x8000>;};blob_4: blob-ext@4 {filename = "lpddr4_pmu_train_2d_dmem.bin";size = <0x4000>;};- };
- spl {
filename = "spl.bin";mkimage {args = "-n spl/u-boot-spl.cfgout -T imx8mimage -e 0x7e1000";blob {filename = "u-boot-spl-ddr.bin";};};- };
- itb {
filename = "u-boot.itb";fit {description = "Configuration to load ATF before U-Boot";#address-cells = <1>;fit,external-offset = <CONFIG_FIT_EXTERNAL_OFFSET>;images {uboot {description = "U-Boot (64-bit)";type = "standalone";arch = "arm64";compression = "none";load = <CONFIG_SYS_TEXT_BASE>;uboot_blob: blob-ext {filename = "u-boot-nodtb.bin";};};atf {description = "ARM Trusted Firmware";type = "firmware";arch = "arm64";compression = "none";load = <0x910000>;entry = <0x910000>;atf_blob: blob-ext {filename = "bl31.bin";};};fdt {description = "NAME";type = "flat_dt";compression = "none";uboot_fdt_blob: blob-ext {filename = "u-boot.dtb";};};};configurations {default = "conf";conf {description = "NAME";firmware = "uboot";loadables = "atf";fdt = "fdt";};};};- };
- imx-boot {
filename = "flash.bin";pad-byte = <0x00>;spl: blob-ext@1 {offset = <0x0>;filename = "spl.bin";};uboot: blob-ext@2 {offset = <0x57c00>;filename = "u-boot.itb";};- };
+};
These look mostly the same as imx8mq-u-boot.dtsi, try #include-ing that instead of duplicating things here.
+[...]