| Pankaj Gupta | 513a36d | 2020-12-09 14:02:39 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020 NXP |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #include <endian.h> |
| 9 | |
| 10 | #include <common/debug.h> |
| 11 | #include <csu.h> |
| 12 | #include <lib/mmio.h> |
| 13 | |
| 14 | void enable_layerscape_ns_access(struct csu_ns_dev_st *csu_ns_dev, |
| 15 | uint32_t num, uintptr_t nxp_csu_addr) |
| 16 | { |
| 17 | uint32_t *base = (uint32_t *)nxp_csu_addr; |
| 18 | uint32_t *reg; |
| 19 | uint32_t val; |
| 20 | int i; |
| 21 | |
| 22 | for (i = 0; i < num; i++) { |
| 23 | reg = base + csu_ns_dev[i].ind / 2U; |
| 24 | val = be32toh(mmio_read_32((uintptr_t)reg)); |
| 25 | if (csu_ns_dev[i].ind % 2U == 0U) { |
| 26 | val &= 0x0000ffffU; |
| 27 | val |= csu_ns_dev[i].val << 16U; |
| 28 | } else { |
| 29 | val &= 0xffff0000U; |
| 30 | val |= csu_ns_dev[i].val; |
| 31 | } |
| 32 | mmio_write_32((uintptr_t)reg, htobe32(val)); |
| 33 | } |
| 34 | } |