TI中文支持网8148的mmc控制器3的驱动在现有内核里面没有处理，我自己添加了，但是没有搞明白相关管脚的复用关系，我做了如下设置：
if (cpu_is_ti814x()) {
omap_mux_init_signal("mmc2_clk", 0);
/* omap_mux_init_signal("mmc2_cmd", TI814X_PULL_UP); */
omap_mux_init_signal("mmc2_cmd", 0);
omap_mux_init_signal("mmc2_dat0", 0);
omap_mux_init_signal("mmc2_dat1", 0);
omap_mux_init_signal("mmc2_dat2", 0);
omap_mux_init_signal("mmc2_dat3", 0);
/* omap_mux_init_signal("mmc2_dat3", TI814X_PULL_UP); */
omap_mux_init_signal("mmc2_sdcd", 0);
/* omap_mux_init_signal("mmc2_sdwp", OMAP_PULL_ENA); */
}
请问这一部分到底怎么设置才正确？
Yang Zeroman：
出现的错误如下：
Detected MACID=0:0:0:0:0:0
mmc2: clock 400000Hz busmode 1 powermode 2 cs 0 Vdd 21 width 0 timing 0
mmc2: starting CMD52 arg 00000c00 flags 00000195
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD52, argument 0x00000c00
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req done (CMD52): -110: 00000000 00000000 00000000 00000000
mmc2: starting CMD52 arg 80000c08 flags 00000195
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD52, argument 0x80000c08
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req done (CMD52): -110: 00000000 00000000 00000000 00000000
mmc2: clock 400000Hz busmode 1 powermode 2 cs 1 Vdd 21 width 0 timing 0
mmc2: starting CMD0 arg 00000000 flags 000000c0
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD0, argument 0x00000000
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req done (CMD0): -110: 00000000 00000000 00000000 00000000
mmc2: clock 400000Hz busmode 1 powermode 2 cs 0 Vdd 21 width 0 timing 0
mmc2: starting CMD8 arg 000001aa flags 000002f5
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD8, argument 0x000001aa
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req done (CMD8): -110: 00000000 00000000 00000000 00000000
mmc2: starting CMD5 arg 00000000 flags 000002e1
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD5, argument 0x00000000
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req failed (CMD5): -110, retrying…
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD5, argument 0x00000000
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req failed (CMD5): -110, retrying…
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD5, argument 0x00000000
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req failed (CMD5): -110, retrying…
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD5, argument 0x00000000
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req done (CMD5): -110: 00000000 00000000 00000000 00000000
mmc2: starting CMD55 arg 00000000 flags 000000f5
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD55, argument 0x00000000
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req done (CMD55): -110: 00000000 00000000 00000000 00000000
mmc2: starting CMD55 arg 00000000 flags 000000f5
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD55, argument 0x00000000
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req done (CMD55): -110: 00000000 00000000 00000000 00000000
mmc2: starting CMD55 arg 00000000 flags 000000f5
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD55, argument 0x00000000
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req done (CMD55): -110: 00000000 00000000 00000000 00000000
mmc2: starting CMD55 arg 00000000 flags 000000f5
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD55, argument 0x00000000
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req done (CMD55): -110: 00000000 00000000 00000000 00000000
mmc2: starting CMD1 arg 00000000 flags 000000e1
mmci-omap-hs mmci-omap-hs.2: mmc2: CMD1, argument 0x00000000
mmci-omap-hs mmci-omap-hs.2: IRQ Status is 38000
mmci-omap-hs mmci-omap-hs.2: MMC IRQ 0x38000 : ERRI CTO CCRC
mmc2: req done (CMD1): -110: 00000000 00000000 00000000 00000000
mmc2: clock 0Hz busmode 1 powermode 0 cs 0 Vdd 0 width 0 timing 0
mmci-omap-hs mmci-omap-hs.2: mmc_fclk: disabled
mmci-omap-hs mmci-omap-hs.2: mmc_fclk: enabled
mmci-omap-hs mmci-omap-hs.2: context was not lost
