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https://github.com/AsahiLinux/u-boot
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280294c5df
Some sunxi boards ship with SPI flash, which allows booting through the BootROM. We cover this functionality by a separate SPL "mini" driver. Separately we have a proper DM_SPI driver for U-Boot proper, which provides access to the SPI flash through the "sf" command. That allows to update the firmware on the SPI flash, also to store the environment there. However only very few boards actually enable support for U-Boot proper, even though that would work and the SPL part is configured. Use the cleaned up configuration scheme to enable SPI flash on those boards which mention a SPI flash in their .dts, or which use the SPL SPI support. Out of the box this would enable storing the environment on the SPI flash, and allows people to read or write the flash from U-Boot, for instance to update the SPI flash when booted via an SD card. For this to actually work there must be a "spi0" alias in the DT, which most boards are missing. But this should be addressed separately. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
23 lines
578 B
Text
23 lines
578 B
Text
CONFIG_ARM=y
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CONFIG_ARCH_SUNXI=y
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CONFIG_DEFAULT_DEVICE_TREE="sun50i-h6-pine-h64"
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CONFIG_SPL=y
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CONFIG_MACH_SUN50I_H6=y
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CONFIG_SUNXI_DRAM_H6_LPDDR3=y
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CONFIG_MACPWR="PC16"
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CONFIG_MMC0_CD_PIN="PF6"
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CONFIG_MMC_SUNXI_SLOT_EXTRA=2
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CONFIG_USB3_VBUS_PIN="PL5"
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CONFIG_SPL_SPI_SUNXI=y
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# CONFIG_PSCI_RESET is not set
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# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
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CONFIG_SPI_FLASH_WINBOND=y
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CONFIG_SUN8I_EMAC=y
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CONFIG_PHY_SUN50I_USB3=y
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CONFIG_SPI=y
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CONFIG_USB_XHCI_HCD=y
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CONFIG_USB_XHCI_DWC3=y
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CONFIG_USB_EHCI_HCD=y
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CONFIG_USB_OHCI_HCD=y
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CONFIG_USB_DWC3=y
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# CONFIG_USB_DWC3_GADGET is not set
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