--- /dev/null
+/*******************************************************************************
+Copyright (C) Marvell International Ltd. and its affiliates
+
+This software file (the "File") is owned and distributed by Marvell
+International Ltd. and/or its affiliates ("Marvell") under the following
+alternative licensing terms. Once you have made an election to distribute the
+File under one of the following license alternatives, please (i) delete this
+introductory statement regarding license alternatives, (ii) delete the two
+license alternatives that you have not elected to use and (iii) preserve the
+Marvell copyright notice above.
+
+
+********************************************************************************
+Marvell GPL License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File in accordance with the terms and conditions of the General
+Public License Version 2, June 1991 (the "GPL License"), a copy of which is
+available along with the File in the license.txt file or by writing to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
+on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+
+THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
+WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
+DISCLAIMED. The GPL License provides additional details about this warranty
+disclaimer.
+*******************************************************************************/
+/*******************************************************************************
+* mvOsCpuArchLib.c - Marvell CPU architecture library
+*
+* DESCRIPTION:
+* This library introduce Marvell API for OS dependent CPU architecture
+* APIs. This library introduce single CPU architecture services APKI
+* cross OS.
+*
+* DEPENDENCIES:
+* None.
+*
+*******************************************************************************/
+
+/* includes */
+#include <asm/processor.h>
+#include "mvOs.h"
+
+static MV_U32 read_p15_c0 (void);
+
+/* defines */
+#define ARM_ID_REVISION_OFFS 0
+#define ARM_ID_REVISION_MASK (0xf << ARM_ID_REVISION_OFFS)
+
+#define ARM_ID_PART_NUM_OFFS 4
+#define ARM_ID_PART_NUM_MASK (0xfff << ARM_ID_PART_NUM_OFFS)
+
+#define ARM_ID_ARCH_OFFS 16
+#define ARM_ID_ARCH_MASK (0xf << ARM_ID_ARCH_OFFS)
+
+#define ARM_ID_VAR_OFFS 20
+#define ARM_ID_VAR_MASK (0xf << ARM_ID_VAR_OFFS)
+
+#define ARM_ID_ASCII_OFFS 24
+#define ARM_ID_ASCII_MASK (0xff << ARM_ID_ASCII_OFFS)
+
+
+
+void* mvOsIoCachedMalloc( void* osHandle, MV_U32 size, MV_ULONG* pPhyAddr,
+ MV_U32 *memHandle)
+{
+ void *p = kmalloc( size, GFP_KERNEL );
+ *pPhyAddr = pci_map_single( osHandle, p, 0, PCI_DMA_BIDIRECTIONAL );
+ return p;
+}
+void* mvOsIoUncachedMalloc( void* osHandle, MV_U32 size, MV_ULONG* pPhyAddr,
+ MV_U32 *memHandle)
+{
+ return pci_alloc_consistent( osHandle, size, (dma_addr_t *)pPhyAddr );
+}
+
+void mvOsIoUncachedFree( void* osHandle, MV_U32 size, MV_ULONG phyAddr, void* pVirtAddr,
+ MV_U32 memHandle)
+{
+ return pci_free_consistent( osHandle, size, pVirtAddr, (dma_addr_t)phyAddr );
+}
+
+void mvOsIoCachedFree( void* osHandle, MV_U32 size, MV_ULONG phyAddr, void* pVirtAddr,
+ MV_U32 memHandle )
+{
+ return kfree( pVirtAddr );
+}
+
+int mvOsRand(void)
+{
+ int rand;
+ get_random_bytes(&rand, sizeof(rand) );
+ return rand;
+}
+
+/*******************************************************************************
+* mvOsCpuVerGet() -
+*
+* DESCRIPTION:
+*
+* INPUT:
+* None.
+*
+* OUTPUT:
+* None.
+*
+* RETURN:
+* 32bit CPU Revision
+*
+*******************************************************************************/
+MV_U32 mvOsCpuRevGet( MV_VOID )
+{
+ return ((read_p15_c0() & ARM_ID_REVISION_MASK ) >> ARM_ID_REVISION_OFFS);
+}
+/*******************************************************************************
+* mvOsCpuPartGet() -
+*
+* DESCRIPTION:
+*
+* INPUT:
+* None.
+*
+* OUTPUT:
+* None.
+*
+* RETURN:
+* 32bit CPU Part number
+*
+*******************************************************************************/
+MV_U32 mvOsCpuPartGet( MV_VOID )
+{
+ return ((read_p15_c0() & ARM_ID_PART_NUM_MASK ) >> ARM_ID_PART_NUM_OFFS);
+}
+/*******************************************************************************
+* mvOsCpuArchGet() -
+*
+* DESCRIPTION:
+*
+* INPUT:
+* None.
+*
+* OUTPUT:
+* None.
+*
+* RETURN:
+* 32bit CPU Architicture number
+*
+*******************************************************************************/
+MV_U32 mvOsCpuArchGet( MV_VOID )
+{
+ return ((read_p15_c0() & ARM_ID_ARCH_MASK ) >> ARM_ID_ARCH_OFFS);
+}
+/*******************************************************************************
+* mvOsCpuVarGet() -
+*
+* DESCRIPTION:
+*
+* INPUT:
+* None.
+*
+* OUTPUT:
+* None.
+*
+* RETURN:
+* 32bit CPU Variant number
+*
+*******************************************************************************/
+MV_U32 mvOsCpuVarGet( MV_VOID )
+{
+ return ((read_p15_c0() & ARM_ID_VAR_MASK ) >> ARM_ID_VAR_OFFS);
+}
+/*******************************************************************************
+* mvOsCpuAsciiGet() -
+*
+* DESCRIPTION:
+*
+* INPUT:
+* None.
+*
+* OUTPUT:
+* None.
+*
+* RETURN:
+* 32bit CPU Variant number
+*
+*******************************************************************************/
+MV_U32 mvOsCpuAsciiGet( MV_VOID )
+{
+ return ((read_p15_c0() & ARM_ID_ASCII_MASK ) >> ARM_ID_ASCII_OFFS);
+}
+
+
+
+/*
+static unsigned long read_p15_c0 (void)
+*/
+/* read co-processor 15, register #0 (ID register) */
+static MV_U32 read_p15_c0 (void)
+{
+ MV_U32 value;
+
+ __asm__ __volatile__(
+ "mrc p15, 0, %0, c0, c0, 0 @ read control reg\n"
+ : "=r" (value)
+ :
+ : "memory");
+
+ return value;
+}
+
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