Hi Rajeshwari, On Wed, Sep 11, 2013 at 4:01 AM, Rajeshwari S Shinde < rajeshwar...@samsung.com> wrote:
> SMDK5420 has a new Security Management Unit added > for dwmmc driver, hence, configuring the control > registers to support booting via eMMC. > > Signed-off-by: Alim Akhtar <alim.akh...@samsung.com> > Signed-off-by: Rajeshwari Shinde <rajeshwar...@samsung.com> > --- > Changes in V3: > - New patch. > drivers/mmc/dw_mmc.c | 7 +++++++ > include/dwmmc.h | 12 ++++++++++++ > 2 files changed, 19 insertions(+) > > diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c > index a82ee17..d763949 100644 > --- a/drivers/mmc/dw_mmc.c > +++ b/drivers/mmc/dw_mmc.c > @@ -300,6 +300,13 @@ static int dwmci_init(struct mmc *mmc) > struct dwmci_host *host = (struct dwmci_host *)mmc->priv; > u32 fifo_size; > > + dwmci_writel(host, EMMCP_MPSBEGIN0, 0); > + dwmci_writel(host, EMMCP_SEND0, 0); > + dwmci_writel(host, EMMCP_CTRL0, > + MPSCTRL_SECURE_READ_BIT | MPSCTRL_SECURE_WRITE_BIT | > + MPSCTRL_NON_SECURE_READ_BIT | MPSCTRL_NON_SECURE_WRITE_BIT > | > + MPSCTRL_VALID); > + > Is this safe for all users of this file (Exynos5250, etc. ? Regards, Simon
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