On 11/01/2011 07:16 PM, Fabio Estevam wrote: > Enable D and I caches on mx31pdk. > > Signed-off-by: Fabio Estevam <[email protected]> > --- > Stefano, > > You explained that enabling cache may cause some drivers like FEC and MMC not > to work properly. > As mx31pdk does not have FEC or MMC driver I thought this should be OK. > > Tested by booting Linux kernel via TFTP and mounting a NFS rootfs. > > board/freescale/mx31pdk/mx31pdk.c | 8 ++++++++ > 1 files changed, 8 insertions(+), 0 deletions(-) > > diff --git a/board/freescale/mx31pdk/mx31pdk.c > b/board/freescale/mx31pdk/mx31pdk.c > index 9f8bc53..1d7b4f6 100644 > --- a/board/freescale/mx31pdk/mx31pdk.c > +++ b/board/freescale/mx31pdk/mx31pdk.c > @@ -71,11 +71,19 @@ int board_early_init_f(void) > return 0; > } > > +void enable_caches(void) > +{ > + icache_enable(); > + dcache_enable(); > +} > + > int board_init(void) > { > /* adress of boot parameters */ > gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; > > + enable_caches(); > + > return 0; > } >
Applied to u-boot-imx, thanks. Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: [email protected] ===================================================================== _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
