Hi On 09/27/2013 09:10 PM, Rajeshwari S Shinde 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. > Changes in V4: > Added flag to dissble SMU > drivers/mmc/dw_mmc.c | 10 ++++++++++ > drivers/mmc/exynos_dw_mmc.c | 3 +++ > include/dwmmc.h | 15 +++++++++++++++ > 3 files changed, 28 insertions(+) > > diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c > index a82ee17..2a8da5c 100644 > --- a/drivers/mmc/dw_mmc.c > +++ b/drivers/mmc/dw_mmc.c > @@ -300,6 +300,16 @@ static int dwmci_init(struct mmc *mmc) > struct dwmci_host *host = (struct dwmci_host *)mmc->priv; > u32 fifo_size; > > + if (host->quirks & DWMCI_QUIRK_DISABLE_SMU) { > + 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); > + } > + > dwmci_writel(host, DWMCI_PWREN, 1); > > if (!dwmci_wait_reset(host, DWMCI_RESET_ALL)) { > diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c > index 4ef9fec..f7439a0 100644 > --- a/drivers/mmc/exynos_dw_mmc.c > +++ b/drivers/mmc/exynos_dw_mmc.c > @@ -62,6 +62,9 @@ int exynos_dwmci_add_port(int index, u32 regbase, int > bus_width, u32 clksel) > host->name = "EXYNOS DWMMC"; > host->ioaddr = (void *)regbase; > host->buswidth = bus_width; > +#ifdef CONFIG_EXYNOS5420 > + host->quirks = DWMCI_QUIRK_DISABLE_SMU; > +#endif > > if (clksel) { > host->clksel_val = clksel; > diff --git a/include/dwmmc.h b/include/dwmmc.h > index 08ced0b..00bceec 100644 > --- a/include/dwmmc.h > +++ b/include/dwmmc.h > @@ -49,6 +49,9 @@ > #define DWMCI_DSCADDR 0x094 > #define DWMCI_BUFADDR 0x098 > #define DWMCI_DATA 0x200 > +#define EMMCP_MPSBEGIN0 0x1200 > +#define EMMCP_SEND0 0x1204 > +#define EMMCP_CTRL0 0x120C > > /* Interrupt Mask register */ > #define DWMCI_INTMSK_ALL 0xffffffff > @@ -123,6 +126,18 @@ > #define DWMCI_BMOD_IDMAC_FB (1 << 1) > #define DWMCI_BMOD_IDMAC_EN (1 << 7) > > +#define MPSCTRL_SECURE_READ_BIT (0x1<<7) > +#define MPSCTRL_SECURE_WRITE_BIT (0x1<<6) > +#define MPSCTRL_NON_SECURE_READ_BIT (0x1<<5) > +#define MPSCTRL_NON_SECURE_WRITE_BIT (0x1<<4) > +#define MPSCTRL_USE_FUSE_KEY (0x1<<3) > +#define MPSCTRL_ECB_MODE (0x1<<2) > +#define MPSCTRL_ENCRYPTION (0x1<<1) > +#define MPSCTRL_VALID (0x1<<0) > + > +/* quirks */ > +#define DWMCI_QUIRK_DISABLE_SMU (1 << 0)
These values are exynos5420 specifi, isn't? Then i don't want to include into "dwmmc.h" Best Regards, Jaehoon Chung > + > struct dwmci_host { > char *name; > void *ioaddr; > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot