diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/cpu/mvCpu.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/cpu/mvCpu.c | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/cpu/mvCpu.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/cpu/mvCpu.c new file mode 100644 index 000000000..fed0fa114 --- /dev/null +++ b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/kw_family/cpu/mvCpu.c @@ -0,0 +1,320 @@ +/******************************************************************************* +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 Commercial License Option + +If you received this File from Marvell and you have entered into a commercial +license agreement (a "Commercial License") with Marvell, the File is licensed +to you under the terms of the applicable Commercial License. + +******************************************************************************** +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. +******************************************************************************** +Marvell BSD License Option + +If you received this File from Marvell, you may opt to use, redistribute and/or +modify this File under the following licensing terms. +Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + * Neither the name of Marvell nor the names of its contributors may be + used to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON +ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +*******************************************************************************/ + + +#include "cpu/mvCpu.h" +#include "ctrlEnv/mvCtrlEnvLib.h" +#include "ctrlEnv/mvCtrlEnvRegs.h" +#include "ctrlEnv/sys/mvCpuIfRegs.h" + +/* defines */ +#ifdef MV_DEBUG + #define DB(x) x +#else + #define DB(x) +#endif + +/* locals */ + +/******************************************************************************* +* mvCpuPclkGet - Get the CPU pClk (pipe clock) +* +* DESCRIPTION: +* This routine extract the CPU core clock. +* +* INPUT: +* None. +* +* OUTPUT: +* None. +* +* RETURN: +* 32bit clock cycles in MHertz. +* +*******************************************************************************/ +/* 6180 have different clk reset sampling */ + +static MV_U32 mvCpu6180PclkGet(MV_VOID) +{ + MV_U32 tmpPClkRate=0; + MV_CPU_ARM_CLK cpu6180_ddr_l2_CLK[] = MV_CPU6180_DDR_L2_CLCK_TBL; + + tmpPClkRate = MV_REG_READ(MPP_SAMPLE_AT_RESET); + tmpPClkRate = tmpPClkRate & MSAR_CPUCLCK_MASK_6180; + tmpPClkRate = tmpPClkRate >> MSAR_CPUCLCK_OFFS_6180; + + tmpPClkRate = cpu6180_ddr_l2_CLK[tmpPClkRate].cpuClk; + + return tmpPClkRate; +} + + +MV_U32 mvCpuPclkGet(MV_VOID) +{ +#if defined(PCLCK_AUTO_DETECT) + MV_U32 tmpPClkRate=0; + MV_U32 cpuCLK[] = MV_CPU_CLCK_TBL; + + if(mvCtrlModelGet() == MV_6180_DEV_ID) + return mvCpu6180PclkGet(); + + tmpPClkRate = MV_REG_READ(MPP_SAMPLE_AT_RESET); + tmpPClkRate = MSAR_CPUCLCK_EXTRACT(tmpPClkRate); + tmpPClkRate = cpuCLK[tmpPClkRate]; + + return tmpPClkRate; +#else + return MV_DEFAULT_PCLK +#endif +} + +/******************************************************************************* +* mvCpuL2ClkGet - Get the CPU L2 (CPU bus clock) +* +* DESCRIPTION: +* This routine extract the CPU L2 clock. +* +* RETURN: +* 32bit clock cycles in Hertz. +* +*******************************************************************************/ +static MV_U32 mvCpu6180L2ClkGet(MV_VOID) +{ + MV_U32 L2ClkRate=0; + MV_CPU_ARM_CLK _cpu6180_ddr_l2_CLK[] = MV_CPU6180_DDR_L2_CLCK_TBL; + + L2ClkRate = MV_REG_READ(MPP_SAMPLE_AT_RESET); + L2ClkRate = L2ClkRate & MSAR_CPUCLCK_MASK_6180; + L2ClkRate = L2ClkRate >> MSAR_CPUCLCK_OFFS_6180; + + L2ClkRate = _cpu6180_ddr_l2_CLK[L2ClkRate].l2Clk; + + return L2ClkRate; + +} + +MV_U32 mvCpuL2ClkGet(MV_VOID) +{ +#ifdef L2CLK_AUTO_DETECT + MV_U32 L2ClkRate, tmp, pClkRate, indexL2Rtio; + MV_U32 L2Rtio[][2] = MV_L2_CLCK_RTIO_TBL; + + if(mvCtrlModelGet() == MV_6180_DEV_ID) + return mvCpu6180L2ClkGet(); + + pClkRate = mvCpuPclkGet(); + + tmp = MV_REG_READ(MPP_SAMPLE_AT_RESET); + indexL2Rtio = MSAR_L2CLCK_EXTRACT(tmp); + + L2ClkRate = ((pClkRate * L2Rtio[indexL2Rtio][1]) / L2Rtio[indexL2Rtio][0]); + + return L2ClkRate; +#else + return MV_BOARD_DEFAULT_L2CLK; +#endif +} + + +/******************************************************************************* +* mvCpuNameGet - Get CPU name +* +* DESCRIPTION: +* This function returns a string describing the CPU model and revision. +* +* INPUT: +* None. +* +* OUTPUT: +* pNameBuff - Buffer to contain board name string. Minimum size 32 chars. +* +* RETURN: +* None. +*******************************************************************************/ +MV_VOID mvCpuNameGet(char *pNameBuff) +{ + MV_U32 cpuModel; + + cpuModel = mvOsCpuPartGet(); + + /* The CPU module is indicated in the Processor Version Register (PVR) */ + switch(cpuModel) + { + case CPU_PART_MRVL131: + mvOsSPrintf(pNameBuff, "%s (Rev %d)", "Marvell Feroceon",mvOsCpuRevGet()); + break; + case CPU_PART_ARM926: + mvOsSPrintf(pNameBuff, "%s (Rev %d)", "ARM926",mvOsCpuRevGet()); + break; + case CPU_PART_ARM946: + mvOsSPrintf(pNameBuff, "%s (Rev %d)", "ARM946",mvOsCpuRevGet()); + break; + default: + mvOsSPrintf(pNameBuff,"??? (0x%04x) (Rev %d)",cpuModel,mvOsCpuRevGet()); + break; + } /* switch */ + + return; +} + + +#define MV_PROC_STR_SIZE 50 + +static void mvCpuIfGetL2EccMode(MV_8 *buf) +{ + MV_U32 regVal = MV_REG_READ(CPU_L2_CONFIG_REG); + if (regVal & BIT2) + mvOsSPrintf(buf, "L2 ECC Enabled"); + else + mvOsSPrintf(buf, "L2 ECC Disabled"); +} + +static void mvCpuIfGetL2Mode(MV_8 *buf) +{ + MV_U32 regVal = 0; + __asm volatile ("mrc p15, 1, %0, c15, c1, 0" : "=r" (regVal)); /* Read Marvell extra features register */ + if (regVal & BIT22) + mvOsSPrintf(buf, "L2 Enabled"); + else + mvOsSPrintf(buf, "L2 Disabled"); +} + +static void mvCpuIfGetL2PrefetchMode(MV_8 *buf) +{ + MV_U32 regVal = 0; + __asm volatile ("mrc p15, 1, %0, c15, c1, 0" : "=r" (regVal)); /* Read Marvell extra features register */ + if (regVal & BIT24) + mvOsSPrintf(buf, "L2 Prefetch Disabled"); + else + mvOsSPrintf(buf, "L2 Prefetch Enabled"); +} + +static void mvCpuIfGetWriteAllocMode(MV_8 *buf) +{ + MV_U32 regVal = 0; + __asm volatile ("mrc p15, 1, %0, c15, c1, 0" : "=r" (regVal)); /* Read Marvell extra features register */ + if (regVal & BIT28) + mvOsSPrintf(buf, "Write Allocate Enabled"); + else + mvOsSPrintf(buf, "Write Allocate Disabled"); +} + +static void mvCpuIfGetCpuStreamMode(MV_8 *buf) +{ + MV_U32 regVal = 0; + __asm volatile ("mrc p15, 1, %0, c15, c1, 0" : "=r" (regVal)); /* Read Marvell extra features register */ + if (regVal & BIT29) + mvOsSPrintf(buf, "CPU Streaming Enabled"); + else + mvOsSPrintf(buf, "CPU Streaming Disabled"); +} + +static void mvCpuIfPrintCpuRegs(void) +{ + MV_U32 regVal = 0; + + __asm volatile ("mrc p15, 1, %0, c15, c1, 0" : "=r" (regVal)); /* Read Marvell extra features register */ + mvOsPrintf("Extra Feature Reg = 0x%x\n",regVal); + + __asm volatile ("mrc p15, 0, %0, c1, c0, 0" : "=r" (regVal)); /* Read Control register */ + mvOsPrintf("Control Reg = 0x%x\n",regVal); + + __asm volatile ("mrc p15, 0, %0, c0, c0, 0" : "=r" (regVal)); /* Read ID Code register */ + mvOsPrintf("ID Code Reg = 0x%x\n",regVal); + + __asm volatile ("mrc p15, 0, %0, c0, c0, 1" : "=r" (regVal)); /* Read Cache Type register */ + mvOsPrintf("Cache Type Reg = 0x%x\n",regVal); + +} + +MV_U32 mvCpuIfPrintSystemConfig(MV_8 *buffer, MV_U32 index) +{ + MV_U32 count = 0; + + MV_8 L2_ECC_str[MV_PROC_STR_SIZE]; + MV_8 L2_En_str[MV_PROC_STR_SIZE]; + MV_8 L2_Prefetch_str[MV_PROC_STR_SIZE]; + MV_8 Write_Alloc_str[MV_PROC_STR_SIZE]; + MV_8 Cpu_Stream_str[MV_PROC_STR_SIZE]; + + mvCpuIfGetL2Mode(L2_En_str); + mvCpuIfGetL2EccMode(L2_ECC_str); + mvCpuIfGetL2PrefetchMode(L2_Prefetch_str); + mvCpuIfGetWriteAllocMode(Write_Alloc_str); + mvCpuIfGetCpuStreamMode(Cpu_Stream_str); + mvCpuIfPrintCpuRegs(); + + count += mvOsSPrintf(buffer + count + index, "%s\n", L2_En_str); + count += mvOsSPrintf(buffer + count + index, "%s\n", L2_ECC_str); + count += mvOsSPrintf(buffer + count + index, "%s\n", L2_Prefetch_str); + count += mvOsSPrintf(buffer + count + index, "%s\n", Write_Alloc_str); + count += mvOsSPrintf(buffer + count + index, "%s\n", Cpu_Stream_str); + return count; +} + +MV_U32 whoAmI(MV_VOID) +{ + return 0; +} + |