blob: 9c2ff763ad53b745e4baea1e00764df267892a54 [file] [log] [blame]
Aaron Williams2aab1c22022-04-07 09:11:28 +02001// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2018-2022 Marvell International Ltd.
4 */
5
6#include <log.h>
7#include <time.h>
8#include <linux/delay.h>
9
10#include <mach/cvmx-regs.h>
11#include <mach/cvmx-csr.h>
12#include <mach/cvmx-bootmem.h>
13#include <mach/octeon-model.h>
14#include <mach/cvmx-fuse.h>
15#include <mach/octeon-feature.h>
16#include <mach/cvmx-qlm.h>
17#include <mach/octeon_qlm.h>
18#include <mach/cvmx-pcie.h>
19#include <mach/cvmx-coremask.h>
20
21#include <mach/cvmx-global-resources.h>
22
23#include <mach/cvmx-pki.h>
24#include <mach/cvmx-helper.h>
25#include <mach/cvmx-helper-board.h>
26#include <mach/cvmx-helper-cfg.h>
27
28#include <mach/cvmx-hwfau.h>
29
30u8 *cvmx_fau_regs_ptr;
31
32void cvmx_fau_bootmem_init(void *bootmem)
33{
34 memset(bootmem, 0, CVMX_FAU_MAX_REGISTERS_8);
35}
36
37/**
38 * Initializes FAU region for devices without FAU unit.
39 * @return 0 on success -1 on failure
40 */
41int cvmx_fau_init(void)
42{
43 cvmx_fau_regs_ptr = (u8 *)cvmx_bootmem_alloc_named_range_once(
44 CVMX_FAU_MAX_REGISTERS_8, 0, 1ull << 31, 128,
45 "cvmx_fau_registers", cvmx_fau_bootmem_init);
46
47 if (cvmx_fau_regs_ptr == 0ull) {
48 debug("ERROR: Failed to alloc named block for software FAU.\n");
49 return -1;
50 }
51
52 return 0;
53}