From 31c21471debbc9cec7466088da4fe2ee970d33b6 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Sat, 15 Aug 2015 11:58:03 +0200
Subject: [PATCH] sunxi_nand_spl: Make sure the DMA controller is enabled
We use DMA for nand data transfers in the SPL, so make sure the DMA
controller is enabled.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
---
board/sunxi/board.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index b76bb83251..1ebd0a423d 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -125,7 +125,13 @@ static void nand_clock_setup(void)
{
struct sunxi_ccm_reg *const ccm =
(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
setbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0));
+#ifdef CONFIG_MACH_SUN9I
+ setbits_le32(&ccm->ahb_gate1, (1 << AHB_GATE_OFFSET_DMA));
+#else
+ setbits_le32(&ccm->ahb_gate0, (1 << AHB_GATE_OFFSET_DMA));
+#endif
setbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1);
}
--
2.39.5