omap3630: Configure HSMMC1 to 4-bit

The HSMMC1 controller on omap3630 supprts only 4-bit mode. If cpu
is 3630 configure HSMMC1 wires to 4-bit.

Signed-off-by: Madhusudhan Chikkature <madhu.cr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c
index 340391468909..7bef170686dd 100644
--- a/arch/arm/mach-omap2/mmc-twl4030.c
+++ b/arch/arm/mach-omap2/mmc-twl4030.c
@@ -489,6 +489,12 @@ void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
                         /* on-chip level shifting via PBIAS0/PBIAS1 */
                         mmc->slots[0].set_power = twl_mmc1_set_power;
                         mmc->slots[0].set_sleep = twl_mmc1_set_sleep;
+
+                        /* Omap3630 HSMMC1 supports only 4-bit */
+                        if (cpu_is_omap3630() && c->wires > 4) {
+                                c->wires = 4;
+                                mmc->slots[0].wires = c->wires;
+                        }
                         break;
                 case 2:
                         if (c->ext_clock)