Konstantin Porotchkin | b3d4bd5 | 2021-02-28 16:12:56 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2021 Marvell International Ltd. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * https://spdx.org/licenses |
| 6 | */ |
| 7 | |
| 8 | #include <platform_def.h> |
| 9 | |
| 10 | #include <common/bl_common.h> |
| 11 | #include <common/debug.h> |
| 12 | #include <lib/mmio.h> |
| 13 | |
| 14 | #include <armada_common.h> |
| 15 | |
| 16 | #include "mss_defs.h" |
| 17 | |
| 18 | void mss_start_cp_cm3(int cp) |
| 19 | { |
| 20 | uint32_t magic; |
| 21 | uintptr_t sram = MVEBU_CP_REGS_BASE(cp) + MSS_CP_SRAM_OFFSET; |
| 22 | uintptr_t regs = MVEBU_CP_REGS_BASE(cp) + MSS_CP_REGS_OFFSET; |
| 23 | |
| 24 | magic = mmio_read_32(sram); |
| 25 | |
| 26 | /* Make sure the FW was loaded */ |
| 27 | if (magic != MSS_FW_READY_MAGIC) { |
| 28 | return; |
| 29 | } |
| 30 | |
| 31 | NOTICE("Starting CP%d MSS CPU\n", cp); |
| 32 | /* remove the magic */ |
| 33 | mmio_write_32(sram, 0); |
| 34 | /* Release M3 from reset */ |
| 35 | mmio_write_32(MSS_M3_RSTCR(regs), |
| 36 | (MSS_M3_RSTCR_RST_OFF << MSS_M3_RSTCR_RST_OFFSET)); |
| 37 | } |