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[26/52] mips: octeon: Add cvmx-fau-compat.c

Message ID 20220330100728.871561-27-sr@denx.de
State Superseded
Delegated to: Stefan Roese
Headers show
Series mips: octeon: Add ethernet support | expand

Commit Message

Stefan Roese March 30, 2022, 10:07 a.m. UTC 
From: Aaron Williams <awilliams@marvell.com>

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>
---
 arch/mips/mach-octeon/cvmx-fau-compat.c | 53 +++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 arch/mips/mach-octeon/cvmx-fau-compat.c
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Patch

diff --git a/arch/mips/mach-octeon/cvmx-fau-compat.c b/arch/mips/mach-octeon/cvmx-fau-compat.c
new file mode 100644
index 000000000000..9c2ff763ad53
--- /dev/null
+++ b/arch/mips/mach-octeon/cvmx-fau-compat.c
@@ -0,0 +1,53 @@ 
+// 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;
+}