[U-Boot] [PATCH V2 00/32] i.MX: Add i.MX8QXP support
Peng Fan
peng.fan at nxp.com
Wed Jul 18 12:47:22 UTC 2018
> -----Original Message-----
> From: Peter Robinson [mailto:pbrobinson at gmail.com]
> Sent: 2018年7月18日 20:44
> To: Peng Fan <peng.fan at nxp.com>
> Cc: Lokesh Vutla <lokeshvutla at ti.com>; sbabic at denx.de; Fabio Estevam
> <fabio.estevam at nxp.com>; u-boot at lists.denx.de; dl-linux-imx
> <linux-imx at nxp.com>
> Subject: Re: [U-Boot] [PATCH V2 00/32] i.MX: Add i.MX8QXP support
>
> >> On Wednesday 18 July 2018 07:05 AM, Peng Fan wrote:
> >> > This patchset is to upstream i.MX8QXP and mek board support, with
> >> > some drivers update to support i.MX8QXP. The information about the
> >> > processor could be found
> >> > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2F
> >> > www
> >> > .nxp.com%2Fproducts%2Fprocessors-and-microcontrollers%2Fapplication
> >> > s-p
> >> > rocessors%2Fi.mx-applications-processors%2Fi.mx-8-processors%2Fi.mx
> >> > -8x
> >> > -family-arm-cortex-a35-3d-graphics-4k-video-dsp-error-correcting-co
> >> > de-
> >> >
> >>
> on-ddr%3Ai.MX8X&data=02%7C01%7Cpeng.fan%40nxp.com%7C6d7cd47
> >> a195849
> >> >
> >>
> c095ba08d5ec88ba4d%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C1%7
> >> C636674
> >> >
> >>
> 994349559376&sdata=1W0nb9VUQkwcnpKup2GXnD5tBOLe27xF1iMBhpg
> >> vCkw%3D&
> >> > amp;reserved=0
> >> >
> >> > The architecture of i.MX8QXP is different from i.MX6/7/8M, inside
> >> > i.MX8QXP, there is a dedicated processor(SCU) used for
> >> > power/clock/pin/
> >>
> >> Out of curiosity, How is the firmware loaded to this SCU? Who is
> >> responsible for loading the firmware?
> >
> > It is ROM code loading the firmware.
>
> Is it loading it from ROM too or a filesystem somewhere? If the later is it
> published somewhere? Is it open?
ROM will load the firmware stored on storage media. Currently no opensource available.
Regards,
Peng.
>
> >> > pad/resource management/thermal and etc.
> >> >
> >> > V2:
> >> > In this V2 patchset, the SCFW API is replaced by uclass driver
> >> > implementation, but the api name is not changed from scfw api.
> >> > The related macro definitions are kept in different api.h file
> >> > following SCFW API file structure.
> >> >
> >> > Impelemnted scu misc driver to handle the low level communication
> >> > between Acore and SCU.
> >> > Implemented rm/pm/pad/misc protocol code to invoke misc_call for
> >> > different functionality.
> >> > The dm clk/pinctrl/power and others will invokde the protocol api
> >> > to communicate with SCU.
> >> >
> >> > The arch/arm/mach-imx/imx8/clock.c currently is only a dummy file
> >> > to avoid build break for mxc_get_clock.
> >> >
> >> > The i2c patch and common power domain patches are removed from this
> >> > patchset.
> >> >
> >> > The imx8 name still kept, this is because NXP marketing requires to
> >> > use this name for i.MX branding.
> >> >
> >> > Peng Fan (30):
> >> > dt-bindings: pinctrl: add i.MX8QXP pads definition
> >> > dt-bindings: clock: dt-bindings: pinctrl: add i.MX8QXP clocks
> >> > definition
> >> > dt-bindings: soc: add i.MX8QXP pm and rsrc definition
> >> > imx8: add scfw macro definition
> >> > imx: add Kconfig entry for i.MX8QXP
> >> > arm: build mach-imx for i.MX8
> >> > misc: add i.MX8 misc driver
> >> > misc: imx8: add scfw api impementation
> >> > arm: global_data: add scu_dev for i.MX8
> >> > imx: boot_mode: Add FLEXSPI boot entry
> >> > imx8: add imx-regs header file
> >> > imx8: pins: include i.MX8QXP pin header when CONFIG_IMX8QXP
> defined
> >> > imx: add i.MX8 cpu type
> >> > armv8: add cpu core helper functions
> >> > imx8: add basic cpu support
> >> > imx8: add boot device detection
> >> > imx8: implement mmc_get_env_dev
> >> > imx8: add mmu and dram related functiions
> >> > imx8: add arch_cpu_init arch_cpu_init_dm
> >> > imx8: add iomux configuration api
> >> > imx8: add dummy clock
> >> > gpio: mxc_gpio: add support for i.MX8
> >> > pinctrl: Add pinctrl driver for i.MX8
> >> > power: Add power domain driver for i.MX8
> >> > clk: imx: add clk driver for i.MX8QXP
> >> > serial_lpuart: Update lpuart driver to support i.MX8
> >> > serial: lpuart: support uclass clk api
> >> > mmc: fsl_esdhc: add uclass clk support
> >> > arm: dts: introduce dtsi for i.MX8QXP
> >> > imx: add i.MX8QXP MEK board support
> >> >
> >> > Ye Li (2):
> >> > serial: lpuart: Enable RX and TX FIFO
> >> > fsl_esdhc: Update usdhc driver to support i.MX8
> >> >
> >> > arch/arm/Kconfig | 8 +
> >> > arch/arm/Makefile | 2 +-
> >> > arch/arm/dts/Makefile | 2 +
> >> > arch/arm/dts/fsl-imx8-ca35.dtsi | 66 ++
> >> > arch/arm/dts/fsl-imx8dx.dtsi | 444
> >> +++++++++++++
> >> > arch/arm/dts/fsl-imx8dxp.dtsi | 11 +
> >> > arch/arm/dts/fsl-imx8qxp-mek.dts | 136 ++++
> >> > arch/arm/dts/fsl-imx8qxp.dtsi | 51 ++
> >> > arch/arm/include/asm/arch-imx/cpu.h | 5 +
> >> > arch/arm/include/asm/arch-imx8/clock.h | 27 +
> >> > arch/arm/include/asm/arch-imx8/gpio.h | 21 +
> >> > arch/arm/include/asm/arch-imx8/imx-regs.h | 46 ++
> >> > arch/arm/include/asm/arch-imx8/imx8-pins.h | 15 +
> >> > arch/arm/include/asm/arch-imx8/iomux.h | 40 ++
> >> > arch/arm/include/asm/arch-imx8/power-domain.h | 15 +
> >> > arch/arm/include/asm/arch-imx8/sci/rpc.h | 159 +++++
> >> > arch/arm/include/asm/arch-imx8/sci/sci.h | 86 +++
> >> > arch/arm/include/asm/arch-imx8/sci/svc/misc/api.h | 30 +
> >> > arch/arm/include/asm/arch-imx8/sci/svc/pad/api.h | 57 ++
> >> > arch/arm/include/asm/arch-imx8/sci/svc/pm/api.h | 44 ++
> >> > arch/arm/include/asm/arch-imx8/sci/svc/rm/api.h | 69 ++
> >> > arch/arm/include/asm/arch-imx8/sci/types.h | 220 +++++++
> >> > arch/arm/include/asm/arch-imx8/sys_proto.h | 19 +
> >> > arch/arm/include/asm/armv8/cpu.h | 26 +
> >> > arch/arm/include/asm/global_data.h | 4 +
> >> > arch/arm/include/asm/mach-imx/boot_mode.h | 1 +
> >> > arch/arm/include/asm/mach-imx/sys_proto.h | 3 +
> >> > arch/arm/mach-imx/Makefile | 1 +
> >> > arch/arm/mach-imx/imx8/Kconfig | 22 +
> >> > arch/arm/mach-imx/imx8/Makefile | 7 +
> >> > arch/arm/mach-imx/imx8/clock.c | 21 +
> >> > arch/arm/mach-imx/imx8/cpu.c | 544
> >> ++++++++++++++++
> >> > arch/arm/mach-imx/imx8/iomux.c | 43 ++
> >> > board/freescale/imx8qxp_mek/Kconfig | 14 +
> >> > board/freescale/imx8qxp_mek/MAINTAINERS | 6 +
> >> > board/freescale/imx8qxp_mek/Makefile | 7 +
> >> > board/freescale/imx8qxp_mek/imx8qxp_mek.c | 152 +++++
> >> > configs/imx8qxp_mek_defconfig | 37 ++
> >> > drivers/clk/Kconfig | 1 +
> >> > drivers/clk/Makefile | 1 +
> >> > drivers/clk/imx/Kconfig | 6 +
> >> > drivers/clk/imx/Makefile | 5 +
> >> > drivers/clk/imx/clk-imx8.c | 212 ++++++
> >> > drivers/gpio/mxc_gpio.c | 30 +-
> >> > drivers/misc/Makefile | 1 +
> >> > drivers/misc/imx8/Makefile | 3 +
> >> > drivers/misc/imx8/clk.c | 93 +++
> >> > drivers/misc/imx8/misc.c | 88 +++
> >> > drivers/misc/imx8/pad.c | 39 ++
> >> > drivers/misc/imx8/pm.c | 38 ++
> >> > drivers/misc/imx8/rm.c | 97 +++
> >> > drivers/misc/imx8/scu.c | 247 +++++++
> >> > drivers/mmc/fsl_esdhc.c | 30 +-
> >> > drivers/pinctrl/nxp/Kconfig | 18 +
> >> > drivers/pinctrl/nxp/Makefile | 2 +
> >> > drivers/pinctrl/nxp/pinctrl-imx.c | 209 +++---
> >> > drivers/pinctrl/nxp/pinctrl-imx.h | 16 +
> >> > drivers/pinctrl/nxp/pinctrl-imx8.c | 40 ++
> >> > drivers/pinctrl/nxp/pinctrl-scu.c | 66 ++
> >> > drivers/power/domain/Kconfig | 6 +
> >> > drivers/power/domain/Makefile | 1 +
> >> > drivers/power/domain/imx8-power-domain.c | 312
> +++++++++
> >> > drivers/serial/serial_lpuart.c | 126 +++-
> >> > include/configs/imx8qxp_mek.h | 157 +++++
> >> > include/dt-bindings/clock/imx8qxp-clock.h | 583
> >> +++++++++++++++++
> >> > include/dt-bindings/pinctrl/pads-imx8qxp.h | 757
> >> ++++++++++++++++++++++
> >> > include/dt-bindings/soc/imx8_pd.h | 188 ++++++
> >> > include/dt-bindings/soc/imx_rsrc.h | 557
> >> ++++++++++++++++
> >> > include/fsl_lpuart.h | 2 +-
> >> > 69 files changed, 6251 insertions(+), 141 deletions(-) create
> >> > mode
> >> > 100644 arch/arm/dts/fsl-imx8-ca35.dtsi create mode 100644
> >> > arch/arm/dts/fsl-imx8dx.dtsi create mode 100644
> >> > arch/arm/dts/fsl-imx8dxp.dtsi create mode 100644
> >> > arch/arm/dts/fsl-imx8qxp-mek.dts create mode 100644
> >> > arch/arm/dts/fsl-imx8qxp.dtsi create mode 100644
> >> > arch/arm/include/asm/arch-imx8/clock.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/gpio.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/imx-regs.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/imx8-pins.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/iomux.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/power-domain.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/sci/rpc.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/sci/sci.h
> >> > create mode 100644
> >> > arch/arm/include/asm/arch-imx8/sci/svc/misc/api.h
> >> > create mode 100644
> >> > arch/arm/include/asm/arch-imx8/sci/svc/pad/api.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/sci/svc/pm/api.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/sci/svc/rm/api.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/sci/types.h
> >> > create mode 100644 arch/arm/include/asm/arch-imx8/sys_proto.h
> >> > create mode 100644 arch/arm/include/asm/armv8/cpu.h create mode
> >> > 100644 arch/arm/mach-imx/imx8/Kconfig create mode 100644
> >> > arch/arm/mach-imx/imx8/Makefile create mode 100644
> >> > arch/arm/mach-imx/imx8/clock.c create mode 100644
> >> > arch/arm/mach-imx/imx8/cpu.c create mode 100644
> >> > arch/arm/mach-imx/imx8/iomux.c create mode 100644
> >> > board/freescale/imx8qxp_mek/Kconfig
> >> > create mode 100644 board/freescale/imx8qxp_mek/MAINTAINERS
> >> > create mode 100644 board/freescale/imx8qxp_mek/Makefile
> >> > create mode 100644 board/freescale/imx8qxp_mek/imx8qxp_mek.c
> >> > create mode 100644 configs/imx8qxp_mek_defconfig create mode
> >> 100644
> >> > drivers/clk/imx/Kconfig create mode 100644
> >> > drivers/clk/imx/Makefile create mode 100644
> >> > drivers/clk/imx/clk-imx8.c create mode 100644
> >> > drivers/misc/imx8/Makefile create mode 100644
> >> > drivers/misc/imx8/clk.c create mode 100644 drivers/misc/imx8/misc.c
> >> > create mode 100644 drivers/misc/imx8/pad.c create mode 100644
> >> > drivers/misc/imx8/pm.c create mode 100644 drivers/misc/imx8/rm.c
> >> > create mode 100644 drivers/misc/imx8/scu.c create mode 100644
> >> > drivers/pinctrl/nxp/pinctrl-imx8.c
> >> > create mode 100644 drivers/pinctrl/nxp/pinctrl-scu.c create mode
> >> > 100644 drivers/power/domain/imx8-power-domain.c
> >> > create mode 100644 include/configs/imx8qxp_mek.h create mode
> >> 100644
> >> > include/dt-bindings/clock/imx8qxp-clock.h
> >> > create mode 100644 include/dt-bindings/pinctrl/pads-imx8qxp.h
> >> > create mode 100644 include/dt-bindings/soc/imx8_pd.h create mode
> >> > 100644 include/dt-bindings/soc/imx_rsrc.h
> >> >
> > _______________________________________________
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