Hi Tom,
On Friday 05 April 2013 09:51 PM, Tom Rini wrote: > In the case of booting from certain peripherals, such as UART, we must > not see what the device descriptor says for RAW or FAT mode because in > addition to being nonsensical, it leads to a hang. This is why we have > a test currently for the boot mode being within range. The problem > however is that on some platforms we get MMC2_2 as the boot mode and not > the defined value for MMC2, and in others we get the value for MMC2_2. > This is required to fix eMMC booting on omap5_uevm. > > Tested on am335x_evm (UART, NAND, SD), omap3_beagle (NAND, SD on > classic, SD only on xM rev C5) and omap5_uevm (SD, eMMC). > > Signed-off-by: Tom Rini <tr...@ti.com> > --- > arch/arm/cpu/armv7/omap-common/lowlevel_init.S | 10 +++++++--- > arch/arm/include/asm/arch-am33xx/spl.h | 3 +++ > arch/arm/include/asm/arch-omap3/spl.h | 3 +++ > arch/arm/include/asm/arch-omap4/spl.h | 2 ++ > arch/arm/include/asm/arch-omap5/spl.h | 2 ++ > 5 files changed, 17 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S > b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S > index b933fe8..90b3c8a 100644 > --- a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S > +++ b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S > @@ -60,10 +60,14 @@ ENTRY(save_boot_params) > ldr r3, =boot_params > strb r2, [r3, #BOOT_DEVICE_OFFSET] @ spl_boot_device <- r1 > > - /* boot mode is passed only for devices that can raw/fat mode */ > - cmp r2, #BOOT_DEVICE_XIP > + /* > + * boot mode is only valid for device that can be raw or FAT booted. > + * in other cases it may be fatal to look. While platforms differ > + * in the values used for each MMC slot, they are contiguous. > + */ > + cmp r2, #MMC_BOOT_DEVICES_START > blt 2f > - cmp r2, #BOOT_DEVICE_MMC2 > + cmp r2, #MMC_BOOT_DEVICES_END > bgt 2f > /* Store the boot mode (raw/FAT) in omap_bootmode */ > ldr r2, [r0, #DEV_DESC_PTR_OFFSET] @ get the device descriptor ptr > diff --git a/arch/arm/include/asm/arch-am33xx/spl.h > b/arch/arm/include/asm/arch-am33xx/spl.h > index f60b086..14a2c7c 100644 > --- a/arch/arm/include/asm/arch-am33xx/spl.h > +++ b/arch/arm/include/asm/arch-am33xx/spl.h > @@ -37,4 +37,7 @@ > #define BOOT_DEVICE_USBETH 68 > #define BOOT_DEVICE_CPGMAC 70 > #define BOOT_DEVICE_MMC2_2 0xFF > + > +#define MMC_BOOT_DEVICES_START BOOT_DEVICE_MMC1 > +#define MMC_BOOT_DEVICES_END BOOT_DEVICE_MMC2 > #endif > diff --git a/arch/arm/include/asm/arch-omap3/spl.h > b/arch/arm/include/asm/arch-omap3/spl.h > index dec4dac..84e6d7b 100644 > --- a/arch/arm/include/asm/arch-omap3/spl.h > +++ b/arch/arm/include/asm/arch-omap3/spl.h > @@ -31,4 +31,7 @@ > #define BOOT_DEVICE_MMC1 6 > #define BOOT_DEVICE_XIPWAIT 7 > #define BOOT_DEVICE_MMC2_2 0xFF > + > +#define MMC_BOOT_DEVICES_START BOOT_DEVICE_MMC2 > +#define MMC_BOOT_DEVICES_END BOOT_DEVICE_MMC1 > #endif > diff --git a/arch/arm/include/asm/arch-omap4/spl.h > b/arch/arm/include/asm/arch-omap4/spl.h > index 4e094f9..f61627f 100644 > --- a/arch/arm/include/asm/arch-omap4/spl.h > +++ b/arch/arm/include/asm/arch-omap4/spl.h > @@ -32,4 +32,6 @@ > #define BOOT_DEVICE_MMC2 6 > #define BOOT_DEVICE_MMC2_2 0xFF > > +#define MMC_BOOT_DEVICES_START BOOT_DEVICE_MMC1 > +#define MMC_BOOT_DEVICES_END BOOT_DEVICE_MMC2 > #endif > diff --git a/arch/arm/include/asm/arch-omap5/spl.h > b/arch/arm/include/asm/arch-omap5/spl.h > index 323cd63..d4d353c 100644 > --- a/arch/arm/include/asm/arch-omap5/spl.h > +++ b/arch/arm/include/asm/arch-omap5/spl.h > @@ -32,4 +32,6 @@ > #define BOOT_DEVICE_MMC2 6 > #define BOOT_DEVICE_MMC2_2 7 > > +#define MMC_BOOT_DEVICES_START BOOT_DEVICE_MMC1 > +#define MMC_BOOT_DEVICES_END BOOT_DEVICE_MMC2_2 > #endif Acked-by: R Sricharan <r.sricha...@ti.com> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
