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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 03:23:47 +07:00
2aba2f2a70
In order to support device tree probing of IXP4xx NOR flash chips, a certain big-endian or mixed-endian memory access pattern need to be used. I have opted to use the pattern set by previous plug-ins to physmap for Gemini and Versatile, just override some functions and reuse most of the physmap core code as it is to minimize maintenance. Parts of drivers/mtd/ixp4xx.c are copied into this file. After we have IXP4xx converted fully to device tree, the drivers/mtd/ixp4xx.c file will be deleted and this will be the only access pattern to the IXP4xx flash. I did not keep the quirk in the flash write function after probe, where the old code for a while checks for access to odd addresses, fails and assigns a "faster" write function once it has convinced probe to only use 2-byte accesses. As we mandate that this device should be using bank-width = <2> this should not be a problem unless misconfigured. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
48 lines
1.7 KiB
Makefile
48 lines
1.7 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# linux/drivers/maps/Makefile
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#
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ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y)
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obj-$(CONFIG_MTD) += map_funcs.o
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endif
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# Chip mappings
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obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o
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obj-$(CONFIG_MTD_DC21285) += dc21285.o
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obj-$(CONFIG_MTD_L440GX) += l440gx.o
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obj-$(CONFIG_MTD_AMD76XROM) += amd76xrom.o
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obj-$(CONFIG_MTD_ESB2ROM) += esb2rom.o
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obj-$(CONFIG_MTD_ICHXROM) += ichxrom.o
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obj-$(CONFIG_MTD_CK804XROM) += ck804xrom.o
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obj-$(CONFIG_MTD_TSUNAMI) += tsunami_flash.o
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obj-$(CONFIG_MTD_PXA2XX) += pxa2xx-flash.o
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physmap-objs-y += physmap-core.o
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physmap-objs-$(CONFIG_MTD_PHYSMAP_VERSATILE) += physmap-versatile.o
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physmap-objs-$(CONFIG_MTD_PHYSMAP_GEMINI) += physmap-gemini.o
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physmap-objs-$(CONFIG_MTD_PHYSMAP_IXP4XX) += physmap-ixp4xx.o
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physmap-objs := $(physmap-objs-y)
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obj-$(CONFIG_MTD_PHYSMAP) += physmap.o
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obj-$(CONFIG_MTD_PISMO) += pismo.o
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obj-$(CONFIG_MTD_PMC_MSP_EVM) += pmcmsp-flash.o
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obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o
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obj-$(CONFIG_MTD_SA1100) += sa1100-flash.o
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obj-$(CONFIG_MTD_SBC_GXX) += sbc_gxx.o
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obj-$(CONFIG_MTD_SC520CDP) += sc520cdp.o
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obj-$(CONFIG_MTD_NETSC520) += netsc520.o
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obj-$(CONFIG_MTD_TS5500) += ts5500_flash.o
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obj-$(CONFIG_MTD_SUN_UFLASH) += sun_uflash.o
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obj-$(CONFIG_MTD_SCx200_DOCFLASH)+= scx200_docflash.o
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obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o
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obj-$(CONFIG_MTD_PCI) += pci.o
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obj-$(CONFIG_MTD_IMPA7) += impa7.o
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obj-$(CONFIG_MTD_UCLINUX) += uclinux.o
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obj-$(CONFIG_MTD_NETtel) += nettel.o
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obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o
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obj-$(CONFIG_MTD_IXP4XX) += ixp4xx.o
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obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o
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obj-$(CONFIG_MTD_INTEL_VR_NOR) += intel_vr_nor.o
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obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o
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obj-$(CONFIG_MTD_VMU) += vmu-flash.o
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obj-$(CONFIG_MTD_LANTIQ) += lantiq-flash.o
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