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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> |
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.. | ||
amd76xrom.c | ||
cfi_flagadm.c | ||
ck804xrom.c | ||
dc21285.c | ||
esb2rom.c | ||
ichxrom.c | ||
impa7.c | ||
intel_vr_nor.c | ||
ixp4xx.c | ||
Kconfig | ||
l440gx.c | ||
lantiq-flash.c | ||
Makefile | ||
map_funcs.c | ||
netsc520.c | ||
nettel.c | ||
pci.c | ||
pcmciamtd.c | ||
physmap-core.c | ||
physmap-gemini.c | ||
physmap-gemini.h | ||
physmap-ixp4xx.c | ||
physmap-ixp4xx.h | ||
physmap-versatile.c | ||
physmap-versatile.h | ||
pismo.c | ||
plat-ram.c | ||
pmcmsp-flash.c | ||
pxa2xx-flash.c | ||
rbtx4939-flash.c | ||
sa1100-flash.c | ||
sbc_gxx.c | ||
sc520cdp.c | ||
scb2_flash.c | ||
scx200_docflash.c | ||
solutionengine.c | ||
sun_uflash.c | ||
ts5500_flash.c | ||
tsunami_flash.c | ||
uclinux.c | ||
vmu-flash.c |