[U-Boot] [PATCHv3 2/2] MMC: omap_hsmmc.c: disable multiblock rw on old rev omap34xx silicon

Signed-off-by: John Rigby john.rigby@linaro.org --- V3: use get_cpu_family and get_cpu_rev in test, previous patch also disabled multiblock on beagle-xm

drivers/mmc/omap_hsmmc.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index dcbde89..957b987 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -467,6 +467,14 @@ int omap_mmc_init(int dev_index)

mmc->b_max = 0;

+#if defined(CONFIG_OMAP34XX) + /* + * Silicon revs 2.1 and older do not support multiblock transfers. + */ + if ((get_cpu_family() == CPU_OMAP34XX) && (get_cpu_rev() <= CPU_3XX_ES21)) + mmc->b_max = 1; +#endif + mmc_register(mmc);

return 0;