On Friday 09 June 2017 07:59 PM, Tom Rini wrote: > On Fri, Jun 09, 2017 at 05:24:16PM +0300, Sam Protsenko wrote: >> On 9 June 2017 at 17:17, Tom Rini <tr...@konsulko.com> wrote: >>> On Fri, Jun 09, 2017 at 05:12:56PM +0300, Sam Protsenko wrote: >>> >>>> Use eMMC (instead of SD card) to store U-Boot environment. Use >>>> "reserved" partition for U-Boot environment. >>>> >>>> Signed-off-by: Sam Protsenko <semen.protse...@linaro.org> >>>> --- >>>> include/configs/am57xx_evm.h | 14 +++++++++----- >>>> 1 file changed, 9 insertions(+), 5 deletions(-) >>>> >>>> diff --git a/include/configs/am57xx_evm.h b/include/configs/am57xx_evm.h >>>> index af19098727..7a42d79647 100644 >>>> --- a/include/configs/am57xx_evm.h >>>> +++ b/include/configs/am57xx_evm.h >>>> @@ -13,6 +13,7 @@ >>>> #define __CONFIG_AM57XX_EVM_H >>>> >>>> #include <environment/ti/dfu.h> >>>> +#include <linux/sizes.h> >>>> >>>> #ifdef CONFIG_SPL_BUILD >>>> #define CONFIG_IODELAY_RECALIBRATION >>>> @@ -20,11 +21,14 @@ >>>> >>>> #define CONFIG_NR_DRAM_BANKS 2 >>>> >>>> -#define CONFIG_ENV_SIZE (64 << 10) >>>> -#define CONFIG_ENV_IS_IN_FAT >>>> -#define FAT_ENV_INTERFACE "mmc" >>>> -#define FAT_ENV_DEVICE_AND_PART "0:1" >>>> -#define FAT_ENV_FILE "uboot.env" >>>> +/* MMC ENV related defines */ >>>> +#define CONFIG_ENV_IS_IN_MMC >>>> +#define CONFIG_SYS_MMC_ENV_DEV 1 /* eMMC */ >>>> +#define CONFIG_SYS_MMC_ENV_PART 0 >>>> +#define CONFIG_ENV_SIZE SZ_128K >>>> +#define CONFIG_ENV_OFFSET 0x260000 >>>> +#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) >>>> +#define CONFIG_SYS_REDUNDAND_ENVIRONMENT >>> >>> Why are we doing this? >> >> This is exactly how it's done for DRA7 EVM board. And since those two >> boards are basically the same family, we should stick to one way of >> doing things here. And we agreed with Praneeth that this policy is >> booting Android from eMMC. > > Right, but Android isn't the only use-case here. If Lokesh acks it, I'm > fine with it. But, to be clear, are there am57xx_evm targets that lack > eMMC? I don't want to get into the case we used to have on am335x_evm > where we assume NAND for env, and run on many targets without NAND. >
Yeah, I really like to keep env in FAT partition but because of android usecases we will have to keep it in eMMC(I am still trying to find a strong reason for not using it in eMMC and stick to FAT ;) ). As of now, all am57x boards(am572-evm, beagle-x15, am572-idk, am571-idk has eMMC.) Anyways, Reviewed-by: Lokesh Vutla <lokeshv...@ti.com> Thanks and regards, Lokesh _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
