board: kontron: pitx-imx8m: Add Kontron pitx-imx8m board support

The Kontron pitx-imx8m is an NXP i.MX8MQ based board in the pITX form factor.

---
v9:
- add spl_board_loader_name
- enable CONFIG_DM_SERIAL

changes due to internal review (thanks to Michael)
- refactor getcd
- create new file pitx_misc. for board variant detection
- remove atheros PHY specific init code (we use a TI PHY)
- remove board_fit_config_name_match
- disable/remove spl_board_init
- convert several config options to kconfig
- CONFIG_SPL_LIBCOMMON_SUPPORT
- CONFIG_SPL_LIBGENERIC_SUPPORT
- CONFIG_SPL_MMC
- CONFIG_SPL_DRIVERS_MISC
- CONFIG_IMX_BOOTAUX
- CONFIG_SPL_I2C
- CONFIG_SPL_POWER
- CONFIG_SPL_WATCHDOG
- CONFIG_PHY_GIGE
- CONFIG_FEC_MXC
- CONFIG_MII

v8:
- use only one commit for board support including linux upstream dts
- this includes the board dts from linux v5.16
- use common imx8mq-u-boot.dtsi
- save environment boot device dependent
- if boot from eMMC: save to eMMC boot partion 1
- if boot from SD: save to SD card partion 0
- get rid of unneeded off-on-delay-us for req_usdhc2_vmmc node

v7:
- add external blob entry for HDMI firmware

v6:
- increase PHY_ANEG_TIMEOUT
- spl: print boot source on startup
- spl: remove PMIC output
- enable CONFIG_CMD_TIME

v5:
- save env in eMMC boot partition 0

v4: update board integration

- migrate to IMX_CONFIG
- convert config options to Kconfig
- CONFIG_POWER_I2C
- CONFIG_SPL_POWER_I2C
- CONFIG_POWER_LEGACY
- CONFIG_SYS_LOAD_ADDR
- CONFIG_SYS_I2C_MXC
- CONFIG_SYS_I2C_LEGACY
- CONFIG_SYS_I2C_MXC_I2C1
- CONFIG_SYS_I2C_MXC_I2C2
- CONFIG_SYS_I2C_MXC_I2C3
- CONFIG_SYS_LOAD_ADDR
- CONFIG_MXC_GPIO

v3:
- enable EFI capsule support
- add update FIT image creation to binman config
- change env offset to fit into eMMC boot partition

v2:
- add support for 2/4GB variant
- enable config options
- CONFIG_CMD_GPT
- CONFIG_DM_ETH_PHY
- CONFIG_EFI_SET_TIME
- add pxefile_addr_r env variable

 arch/arm/dts/Makefile                         |    3 +-
 .../dts/imx8mq-kontron-pitx-imx8m-u-boot.dtsi |   12 +
 arch/arm/dts/imx8mq-kontron-pitx-imx8m.dts    |  612 ++++++
 arch/arm/mach-imx/imx8m/Kconfig               |    7 +
 board/kontron/pitx_imx8m/Kconfig              |   15 +
 board/kontron/pitx_imx8m/MAINTAINERS          |    7 +
 board/kontron/pitx_imx8m/Makefile             |    8 +
 board/kontron/pitx_imx8m/lpddr4_timing_2gb.c  | 1853 +++++++++++++++++
 board/kontron/pitx_imx8m/lpddr4_timing_4gb.c  | 1853 +++++++++++++++++
 board/kontron/pitx_imx8m/pitx_imx8m.c         |  169 ++
 board/kontron/pitx_imx8m/pitx_misc.c          |   38 +
 board/kontron/pitx_imx8m/pitx_misc.h          |    6 +
 board/kontron/pitx_imx8m/spl.c                |  299 +++
 configs/kontron_pitx_imx8m_defconfig          |   97 +
 doc/board/kontron/index.rst                   |    1 +
 doc/board/kontron/pitx-imx8m.rst              |   67 +
 include/configs/kontron_pitx_imx8m.h          |   97 +
 17 files changed, 5143 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/dts/imx8mq-kontron-pitx-imx8m-u-boot.dtsi
 create mode 100644 arch/arm/dts/imx8mq-kontron-pitx-imx8m.dts
 create mode 100644 board/kontron/pitx_imx8m/Kconfig
 create mode 100644 board/kontron/pitx_imx8m/MAINTAINERS
 create mode 100644 board/kontron/pitx_imx8m/Makefile
 create mode 100644 board/kontron/pitx_imx8m/lpddr4_timing_2gb.c
 create mode 100644 board/kontron/pitx_imx8m/lpddr4_timing_4gb.c
 create mode 100644 board/kontron/pitx_imx8m/pitx_imx8m.c
 create mode 100644 board/kontron/pitx_imx8m/pitx_misc.c
 create mode 100644 board/kontron/pitx_imx8m/pitx_misc.h
 create mode 100644 board/kontron/pitx_imx8m/spl.c
 create mode 100644 configs/kontron_pitx_imx8m_defconfig
 create mode 100644 doc/board/kontron/pitx-imx8m.rst
 create mode 100644 include/configs/kontron_pitx_imx8m.h

index 5d45d19481..8992b9c668 100644
@@ -916,7 +916,8 @@ dtb-$(CONFIG_ARCH_IMX8M) += \
 	imx8mq-phanbell.dtb \
 	imx8mp-evk.dtb \
 	imx8mp-phyboard-pollux-rdk.dtb \
-	imx8mq-pico-pi.dtb
+	imx8mq-pico-pi.dtb \
+	imx8mq-kontron-pitx-imx8m.dtb
 
 dtb-$(CONFIG_ARCH_IMXRT) += imxrt1050-evk.dtb \
 	imxrt1020-evk.dtb

new file mode 100644
index 0000000000..6f9c81462e
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+#include "imx8mq-u-boot.dtsi"
+
+&usdhc1 {
+	mmc-hs400-1_8v;
+};
+
+&usdhc2 {
+	sd-uhs-sdr104;
+	sd-uhs-ddr50;
+};

index d6a869068a..217c939b3c 100644
@@ -112,6 +112,12 @@ config TARGET_PICO_IMX8MQ
 	select IMX8MQ
 	select IMX8M_LPDDR4
 
+config TARGET_KONTRON_PITX_IMX8M
+	bool "Support Kontron pITX-imx8m"
+	select BINMAN
+	select IMX8MQ
+	select IMX8M_LPDDR4
+
 config TARGET_VERDIN_IMX8MM
 	bool "Support Toradex Verdin iMX8M Mini module"
 	select BINMAN

@@ -172,6 +178,7 @@ source "board/freescale/imx8mn_evk/Kconfig"
 source "board/freescale/imx8mp_evk/Kconfig"
 source "board/gateworks/venice/Kconfig"
 source "board/google/imx8mq_phanbell/Kconfig"
+source "board/kontron/pitx_imx8m/Kconfig"
 source "board/kontron/sl-mx8mm/Kconfig"
 source "board/phytec/phycore_imx8mm/Kconfig"
 source "board/phytec/phycore_imx8mp/Kconfig"

new file mode 100644
index 0000000000..ca1cec761a
@@ -0,0 +1,15 @@
+if TARGET_KONTRON_PITX_IMX8M
+
+config SYS_BOARD
+	default "pitx_imx8m"
+
+config SYS_VENDOR
+	default "kontron"
+
+config SYS_CONFIG_NAME
+	default "kontron_pitx_imx8m"
+
+config IMX_CONFIG
+	default "arch/arm/mach-imx/imx8m/imximage.cfg"
+
+endif

new file mode 100644
index 0000000000..aad84528e3
@@ -0,0 +1,7 @@
+Kontron pITX-imx8m Board
+M:	Heiko Thiery <[email protected]>
+S:	Maintained
+F:	arch/arm/dts/imx8mq-kontron-pitx-imx8m*
+F:	board/kontron/pitx_imx8m/*
+F:	include/configs/kontron_pitx_imx8m.h
+F:	configs/kontron_pitx_imx8m_defconfig

new file mode 100644
index 0000000000..6ebe5d0770
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0+
+
+obj-y += pitx_imx8m.o pitx_misc.o
+
+ifdef CONFIG_SPL_BUILD
+obj-y += spl.o pitx_misc.o
+obj-$(CONFIG_IMX8M_LPDDR4) += lpddr4_timing_2gb.o lpddr4_timing_4gb.o
+endif

new file mode 100644
index 0000000000..48b29c4bd3

new file mode 100644
index 0000000000..63d941a04a

index 7dfe3d9bc0..cb1906e626 100644

2.30.2

Part of the diff is not shown here. View the raw message.

Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

=====================================================================
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: [email protected]
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