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mips: octeon: Add cvmx-fau-compat.c

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Import cvmx-fau-compat.c from 2013 U-Boot. It will be used by the later
added drivers to support networking on the MIPS Octeon II / III
platforms.

Signed-off-by: Aaron Williams <awilliams@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Aaron Williams 2022-04-07 09:11:28 +02:00 committed by Stefan Roese
parent 16c50d61ee
commit 2aab1c2370
1 changed files with 53 additions and 0 deletions
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arch/mips/mach-octeon/cvmx-fau-compat.c Normal file
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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2018-2022 Marvell International Ltd.
*/
#include <log.h>
#include <time.h>
#include <linux/delay.h>
#include <mach/cvmx-regs.h>
#include <mach/cvmx-csr.h>
#include <mach/cvmx-bootmem.h>
#include <mach/octeon-model.h>
#include <mach/cvmx-fuse.h>
#include <mach/octeon-feature.h>
#include <mach/cvmx-qlm.h>
#include <mach/octeon_qlm.h>
#include <mach/cvmx-pcie.h>
#include <mach/cvmx-coremask.h>
#include <mach/cvmx-global-resources.h>
#include <mach/cvmx-pki.h>
#include <mach/cvmx-helper.h>
#include <mach/cvmx-helper-board.h>
#include <mach/cvmx-helper-cfg.h>
#include <mach/cvmx-hwfau.h>
u8 *cvmx_fau_regs_ptr;
void cvmx_fau_bootmem_init(void *bootmem)
{
memset(bootmem, 0, CVMX_FAU_MAX_REGISTERS_8);
}
/**
* Initializes FAU region for devices without FAU unit.
* @return 0 on success -1 on failure
*/
int cvmx_fau_init(void)
{
cvmx_fau_regs_ptr = (u8 *)cvmx_bootmem_alloc_named_range_once(
CVMX_FAU_MAX_REGISTERS_8, 0, 1ull << 31, 128,
"cvmx_fau_registers", cvmx_fau_bootmem_init);
if (cvmx_fau_regs_ptr == 0ull) {
debug("ERROR: Failed to alloc named block for software FAU.\n");
return -1;
}
return 0;
}