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); + dwmci_writel(host, DWMCI_PWREN, 1); if (!dwmci_wait_reset(host, DWMCI_RESET_ALL)) { diff --git a/include/dwmmc.h b/include/dwmmc.h index 08ced0b..1a67cbf 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 +126,15 @@ #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) + struct dwmci_host { char *name; void *ioaddr; -- 1.7.12.4 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot