diff options
Diffstat (limited to 'arch/arm/cpu/armv7/sunxi/prcm.c')
| -rw-r--r-- | arch/arm/cpu/armv7/sunxi/prcm.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/prcm.c b/arch/arm/cpu/armv7/sunxi/prcm.c new file mode 100644 index 0000000..7b3ee89 --- /dev/null +++ b/arch/arm/cpu/armv7/sunxi/prcm.c @@ -0,0 +1,33 @@ +/* + * Sunxi A31 Power Management Unit + * + * (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl> + * http://linux-sunxi.org + * + * Based on sun6i sources and earlier U-Boot Allwinner A10 SPL work + * + * (C) Copyright 2006-2013 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Berg Xing <bergxing@allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/prcm.h> +#include <asm/arch/sys_proto.h> + +void prcm_init_apb0(void) +{ + struct sunxi_prcm_reg *prcm = + (struct sunxi_prcm_reg *)SUNXI_PRCM_BASE; + + setbits_le32(&prcm->apb0_gate, PRCM_APB0_GATE_P2WI | + PRCM_APB0_GATE_PIO); + setbits_le32(&prcm->apb0_reset, PRCM_APB0_RESET_P2WI | + PRCM_APB0_RESET_PIO); +} |