diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/sunxi_nand_spl.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/mtd/nand/sunxi_nand_spl.c b/drivers/mtd/nand/sunxi_nand_spl.c index 9efe904..147d476 100644 --- a/drivers/mtd/nand/sunxi_nand_spl.c +++ b/drivers/mtd/nand/sunxi_nand_spl.c @@ -5,9 +5,10 @@ * SPDX-License-Identifier: GPL-2.0+ */ +#include <asm/arch/clock.h> +#include <asm/io.h> #include <common.h> #include <config.h> -#include <asm/io.h> #include <nand.h> /* registers */ @@ -330,4 +331,16 @@ int nand_spl_load_image(uint32_t offs, unsigned int size, void *dest) return ecc_errors ? -1 : 0; } -void nand_deselect(void) {} +void nand_deselect(void) +{ + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + clrbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0)); +#ifdef CONFIG_MACH_SUN9I + clrbits_le32(&ccm->ahb_gate1, (1 << AHB_GATE_OFFSET_DMA)); +#else + clrbits_le32(&ccm->ahb_gate0, (1 << AHB_GATE_OFFSET_DMA)); +#endif + clrbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1); +} |