From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lukasz Majewski Date: Fri, 17 Nov 2017 10:27:25 +0100 Subject: [U-Boot] [RFC PATCH 09/10] sunxi: Transition from the MMC to a FAT-based environment In-Reply-To: <20171116092231.27740-10-maxime.ripard@free-electrons.com> References: <20171116092231.27740-1-maxime.ripard@free-electrons.com> <20171116092231.27740-10-maxime.ripard@free-electrons.com> Message-ID: <20171117102725.49403f94@jawa> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thu, 16 Nov 2017 10:22:30 +0100 Maxime Ripard wrote: > The current environment has been hardcoded to an offset that starts > to be an issue given the current size of our main U-Boot binary. > > By implementing a custom environment location routine, we can always > favor the FAT-based environment, and fallback to the MMC if we don't > find something in the FAT partition. We also implement the same order > when saving the environment, so that hopefully we can slowly migrate > the users over to FAT-based environment and away from the raw MMC one. > > Eventually, and hopefully before we reach that limit again, we will > have most of our users using that setup, and we'll be able to retire > the raw environment, and gain more room for the U-Boot binary. > > Signed-off-by: Maxime Ripard > --- > board/sunxi/board.c | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/board/sunxi/board.c b/board/sunxi/board.c > index dcacdf3e626d..8891961dcc6b 100644 > --- a/board/sunxi/board.c > +++ b/board/sunxi/board.c > @@ -173,6 +173,22 @@ void i2c_init_board(void) > #endif > } > > +#if defined(CONFIG_ENV_IS_IN_MMC) && defined(CONFIG_ENV_IS_IN_FAT) > +enum env_location env_get_location(enum env_operation op, int prio) > +{ > + switch (prio) { > + case 0: > + return ENVL_FAT; > + > + case 1: > + return ENVL_MMC; > + > + default: > + return ENVL_UNKNOWN; > + } > +} > +#endif > + > /* add board specific code here */ > int board_init(void) > { Reviewed-by: Lukasz Majewski Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 488 bytes Desc: OpenPGP digital signature URL: