ENGR00170299-1 Android: add support fastboot function

add support for otg in MX6Q uboot to enable fastboot function.

Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/cpu/arm_cortexa8/mx6/iomux-v3.c b/cpu/arm_cortexa8/mx6/iomux-v3.c
index 4f31567..fbd738f 100644
--- a/cpu/arm_cortexa8/mx6/iomux-v3.c
+++ b/cpu/arm_cortexa8/mx6/iomux-v3.c
@@ -69,6 +69,20 @@ int mxc_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t *pad_list, unsigned count)
 	return 0;
 }
 
+void mxc_iomux_set_gpr_register(int group, int start_bit, int num_bits, int value)
+{
+	int i = 0;
+	u32 reg;
+	reg = readl(base + group * 4);
+	while (num_bits) {
+		reg &= ~(1<<(start_bit + i));
+		i++;
+		num_bits--;
+	}
+	reg |= (value << start_bit);
+	writel(reg, base + group * 4);
+}
+
 void mxc_iomux_v3_init(void *iomux_v3_base)
 {
 	base = iomux_v3_base;