> -----Original Message----- > From: Lukasz Majewski [mailto:[email protected]] > Sent: 2019年1月30日 14:50 > To: Peng Fan <[email protected]> > Cc: [email protected]; Fabio Estevam <[email protected]>; > dl-uboot-imx <[email protected]>; [email protected] > Subject: Re: [U-Boot] [PATCH 16/20] imx8m: fix sd to mmc1 and emmc to > mmc2 for i.MX8MM > > Hi Peng, > > > > -----Original Message----- > > > From: Lukasz Majewski [mailto:[email protected]] > > > Sent: 2019年1月30日 6:58 > > > To: Peng Fan <[email protected]> > > > Cc: [email protected]; Fabio Estevam <[email protected]>; > > > dl-uboot-imx <[email protected]>; [email protected] > > > Subject: Re: [U-Boot] [PATCH 16/20] imx8m: fix sd to mmc1 and emmc > > > to mmc2 for i.MX8MM > > > > > > Hi Peng, > > > > > > > Since the SD is usdhc2 and eMMC is usdhc3, > > > > > > Is this true on all IMX8M boards? Or is it only on the development > > > kit you do have? > > > > This is a hack for board, needs to be fixed in next version. > > > > > > > > My point is that this shall be setup by DTS aliases or maybe by > > > Kconfig option. > > > > Could you share more information? > > For example: > > / { > model = "K+P iMX6Q"; > compatible = "kp,imx6-kp", "fsl,imx6"; > > aliases { > mmc0 = &usdhc2; > mmc1 = &usdhc4; > usb1 = &usbh1; > }; > > chosen { > stdout-path = &uart1; > }; > > > And the "aliases" set the order in which you get the devices (like mmc0, > mmc1 above).
Then we need SPL to have Device tree support, right? Thanks, Peng. > > > > > Thanks, > > Peng. > > > > > > > > > this cause mapping problem > > > > for spl_boot_device. So far hard coded them to correct MMC index, > > > > so that SD and eMMC boot can work. > > > > > > > > Signed-off-by: Peng Fan <[email protected]> > > > > --- > > > > arch/arm/mach-imx/spl.c | 9 +++++++++ > > > > 1 file changed, 9 insertions(+) > > > > > > > > diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c > > > > index ebd8ff9290..0048832be8 100644 > > > > --- a/arch/arm/mach-imx/spl.c > > > > +++ b/arch/arm/mach-imx/spl.c > > > > @@ -147,9 +147,18 @@ u32 spl_boot_device(void) > > > > case SD1_BOOT: > > > > case MMC1_BOOT: > > > > return BOOT_DEVICE_MMC1; > > > > +#if defined(CONFIG_IMX8MM) > > > > + case SD2_BOOT: > > > > + case MMC2_BOOT: > > > > + return BOOT_DEVICE_MMC1; > > > > + case SD3_BOOT: > > > > + case MMC3_BOOT: > > > > + return BOOT_DEVICE_MMC2; > > > > +#else > > > > case SD2_BOOT: > > > > case MMC2_BOOT: > > > > return BOOT_DEVICE_MMC2; > > > > +#endif > > > > #endif > > > > case NAND_BOOT: > > > > return BOOT_DEVICE_NAND; > > > > > > > > > > > > > > > Best regards, > > > > > > Lukasz Majewski > > > > > > -- > > > > > > DENX Software Engineering GmbH, Managing Director: Wolfgang > > > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, > > > Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: > > > [email protected] > > > > > Best regards, > > Lukasz Majewski > > -- > > DENX Software Engineering GmbH, Managing Director: Wolfgang Denk > HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany > Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: > [email protected] _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
