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56c4046038
This change allows more fine tuning of driver model based SPI support in
SPL and TPL. It is now possible to explicitly enable/disable the DM_SPI
support in SPL and TPL via Kconfig option.
Before this change it was necessary to use:
/* SPI Flash Configs */
#if defined(CONFIG_SPL_BUILD)
#undef CONFIG_DM_SPI
#undef CONFIG_DM_SPI_FLASH
#undef CONFIG_SPI_FLASH_MTD
#endif
in the ./include/configs/<board>.h, which is error prone and shall be
avoided when we strive to switch to Kconfig.
The goal of this patch:
Provide distinction for DM_SPI support in both U-Boot proper and SPL (TPL).
Valid use case is when U-Boot proper wants to use DM_SPI, but SPL must
still support non DM driver.
Another use case is the conversion of non DM/DTS SPI driver to support
DM/DTS. When such driver needs to work in both SPL and U-Boot proper, the
distinction is needed in Kconfig (also if SPL version of the driver
supports OF_PLATDATA).
In the end of the day one would have to support following use cases (in
single driver file - e.g. mxs_spi.c):
- U-Boot proper driver supporting DT/DTS
- U-Boot proper driver without DT/DTS support (deprecated)
- SPL driver without DT/DTS support
- SPL (and TPL) driver with DT/DTS (when the SoC has enough resources to
run full blown DT/DTS)
- SPL driver with DT/DTS and SPL_OF_PLATDATA (when one have constrained
environment with no fitImage and OF_LIBFDT support).
Some boards do require SPI support (with DM) in SPL (TPL) and some only
have DM_SPI{_FLASH} defined to allow compiling SPL.
This patch converts #ifdef CONFIG_DM_SPI* to #if CONFIG_IS_ENABLED(DM_SPI)
and provides corresponding defines in Kconfig.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Tested-by: Adam Ford <aford173@gmail.com> #da850-evm
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
[trini: Fixup a few platforms]
Signed-off-by: Tom Rini <trini@konsulko.com>
23 lines
606 B
Makefile
23 lines
606 B
Makefile
# SPDX-License-Identifier: GPL-2.0+
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#
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# (C) Copyright 2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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obj-$(CONFIG_$(SPL_TPL_)DM_SPI_FLASH) += sf-uclass.o
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spi-nor-y := sf_probe.o spi-nor-ids.o
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ifdef CONFIG_SPL_BUILD
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obj-$(CONFIG_SPL_SPI_BOOT) += fsl_espi_spl.o
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ifeq ($(CONFIG_SPL_SPI_FLASH_TINY),y)
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spi-nor-y += spi-nor-tiny.o
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else
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spi-nor-y += spi-nor-core.o
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endif
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else
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spi-nor-y += spi-nor-core.o
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endif
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obj-$(CONFIG_SPI_FLASH) += spi-nor.o
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obj-$(CONFIG_SPI_FLASH_DATAFLASH) += sf_dataflash.o
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obj-$(CONFIG_$(SPL_TPL_)SPI_FLASH_MTD) += sf_mtd.o
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obj-$(CONFIG_SPI_FLASH_SANDBOX) += sandbox.o
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