arm: mx6: cm_fx6: add nand support

[people/ms/u-boot.git] / board / compulab / cm_fx6 / spl.c

diff --git a/board/compulab/cm_fx6/spl.c b/board/compulab/cm_fx6/spl.c
index a3abc7b3f32f9c5084e683a5f8f3e7621a7dc3ed..3948ba23ae9e4267bfaa7b3d6f59aeb5b894c1ac 100644 (file)
--- a/board/compulab/cm_fx6/spl.c
+++ b/board/compulab/cm_fx6/spl.c
@@ -15,6 +15,7 @@
 #include <asm/arch/mx6-ddr.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/sys_proto.h>
+#include <asm/arch/crm_regs.h>
 #include <asm/imx-common/iomux-v3.h>
 #include <fsl_esdhc.h>
 #include "common.h"
@@ -309,7 +310,17 @@ static void cm_fx6_setup_ecspi(void) { }
 
 void board_init_f(ulong dummy)
 {
+       struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
        gd = &gdata;
+       /*
+        * We don't use DMA in SPL, but we do need it in U-Boot. U-Boot
+        * initializes DMA very early (before all board code), so the only
+        * opportunity we have to initialize APBHDMA clocks is in SPL.
+        */
+       setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
+       enable_usdhc_clk(1, 2);
+
        arch_cpu_init();
        timer_init();
        cm_fx6_setup_ecspi();