| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> |
| */ |
| |
| #include <common.h> |
| #include <syscon.h> |
| #include <asm/io.h> |
| #include <asm/arch-rockchip/clock.h> |
| #include <asm/arch-rockchip/grf_rk3399.h> |
| #include <asm/arch-rockchip/hardware.h> |
| #include <linux/bitops.h> |
| |
| #ifdef CONFIG_MISC_INIT_R |
| int misc_init_r(void) |
| { |
| struct rk3399_grf_regs *grf = |
| syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| |
| /** |
| * Some SSD's to work on rock960 would require explicit |
| * domain voltage change, so BT565 is in 1.8v domain |
| */ |
| rk_setreg(&grf->io_vsel, BIT(0)); |
| |
| return 0; |
| } |
| #endif |