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author | Jo-Philipp Wich <jow@openwrt.org> | 2010-05-04 20:59:19 +0000 |
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committer | Jo-Philipp Wich <jow@openwrt.org> | 2010-05-04 20:59:19 +0000 |
commit | 32e7340bf26d1d59aefb14bf1af4c2e3cb9a9642 (patch) | |
tree | e04b357c36a5042b6f844d01e89633949600fdb3 /target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvVrtBrgPex.c | |
parent | d30f29165acba8532b117bd7c61f71be4cd6619c (diff) | |
download | master-31e0f0ae-32e7340bf26d1d59aefb14bf1af4c2e3cb9a9642.tar.gz master-31e0f0ae-32e7340bf26d1d59aefb14bf1af4c2e3cb9a9642.tar.bz2 master-31e0f0ae-32e7340bf26d1d59aefb14bf1af4c2e3cb9a9642.zip |
update OCF framework to version 20100325
SVN-Revision: 21356
Diffstat (limited to 'target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvVrtBrgPex.c')
-rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvVrtBrgPex.c | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvVrtBrgPex.c b/target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvVrtBrgPex.c new file mode 100644 index 0000000000..13d2f87261 --- /dev/null +++ b/target/linux/generic-2.6/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvVrtBrgPex.c @@ -0,0 +1,313 @@ +/******************************************************************************* +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 "mvPex.h" + +//#define MV_DEBUG +/* defines */ +#ifdef MV_DEBUG + #define DB(x) x +#else + #define DB(x) +#endif + +/* locals */ +typedef struct +{ + MV_U32 data; + MV_U32 mask; +}PEX_HEADER_DATA; + +/* local function forwad decleration */ +MV_U32 mvPexHwConfigRead (MV_U32 pexIf, MV_U32 bus, MV_U32 dev, MV_U32 func, + MV_U32 regOff); +MV_STATUS mvPexHwConfigWrite(MV_U32 pexIf, MV_U32 bus, MV_U32 dev, + MV_U32 func, MV_U32 regOff, MV_U32 data); +void resetPexConfig(MV_U32 pexIf, MV_U32 bus, MV_U32 dev); + + +PEX_HEADER_DATA configHdr[16] = +{ +{0x888811ab, 0x00000000}, /*[device ID, vendor ID] */ +{0x00100007, 0x0000ffff}, /*[status register, command register] */ +{0x0604000e, 0x00000000}, /*[programming interface, sub class code, class code, revision ID] */ +{0x00010008, 0x00000000}, /*[BIST, header type, latency time, cache line] */ +{0x00000000, 0x00000000}, /*[base address 0] */ +{0x00000000, 0x00000000}, /*[base address 1] */ +{0x00000000, 0x00ffffff}, /*[secondary latency timersubordinate bus number, secondary bus number, primary bus number] */ +{0x0000f101, 0x00000000}, /*[secondary status ,IO limit, IO base] */ +{0x9ff0a000, 0x00000000}, /*[memory limit, memory base] */ +{0x0001fff1, 0x00000000}, /*[prefetch memory limit, prefetch memory base] */ +{0xffffffff, 0x00000000}, /*[prefetch memory base upper] */ +{0x00000000, 0x00000000}, /*[prefetch memory limit upper] */ +{0xeffff000, 0x00000000}, /*[IO limit upper 16 bits, IO base upper 16 bits] */ +{0x00000000, 0x00000000}, /*[reserved, capability pointer] */ +{0x00000000, 0x00000000}, /*[expansion ROM base address] */ +{0x00000000, 0x000000FF}, /*[bridge control, interrupt pin, interrupt line] */ +}; + + +#define HEADER_WRITE(data, offset) configHdr[offset/4].data = ((configHdr[offset/4].data & ~configHdr[offset/4].mask) | \ + (data & configHdr[offset/4].mask)) +#define HEADER_READ(offset) configHdr[offset/4].data + +/******************************************************************************* +* mvVrtBrgPexInit - Initialize PEX interfaces +* +* DESCRIPTION: +* +* This function is responsible of intialization of the Pex Interface , It +* configure the Pex Bars and Windows in the following manner: +* +* Assumptions : +* Bar0 is always internal registers bar +* Bar1 is always the DRAM bar +* Bar2 is always the Device bar +* +* 1) Sets the Internal registers bar base by obtaining the base from +* the CPU Interface +* 2) Sets the DRAM bar base and size by getting the base and size from +* the CPU Interface when the size is the sum of all enabled DRAM +* chip selects and the base is the base of CS0 . +* 3) Sets the Device bar base and size by getting these values from the +* CPU Interface when the base is the base of the lowest base of the +* Device chip selects, and the +* +* +* INPUT: +* +* pexIf - PEX interface number. +* +* +* OUTPUT: +* None. +* +* RETURN: +* MV_OK if function success otherwise MV_ERROR or MV_BAD_PARAM +* +*******************************************************************************/ +MV_STATUS mvPexVrtBrgInit(MV_U32 pexIf) +{ + /* reset PEX tree to recover previous U-boot/Boot configurations */ + MV_U32 localBus = mvPexLocalBusNumGet(pexIf); + + + resetPexConfig(pexIf, localBus, 1); + return MV_OK; +} + + +MV_U32 mvPexVrtBrgConfigRead (MV_U32 pexIf, MV_U32 bus, MV_U32 dev, MV_U32 func, + MV_U32 regOff) +{ + + MV_U32 localBus = mvPexLocalBusNumGet(pexIf); + MV_U32 localDev = mvPexLocalDevNumGet(pexIf); + MV_U32 val; + if(bus == localBus) + { + if(dev > 1) + { +/* on the local device allow only device #0 & #1 */ + return 0xffffffff; + } + else + if (dev == localDev) + { + /* read the memory controller registers */ + return mvPexHwConfigRead (pexIf, bus, dev, func, regOff); + } + else + { + /* access the virtual brg header */ + return HEADER_READ(regOff); + } + } + else + if(bus == (localBus + 1)) + { + /* access the device behind the virtual bridge */ + if((dev == localDev) || (dev > 1)) + { + return 0xffffffff; + } + else + { + /* access the device behind the virtual bridge, in this case + * change the bus number to the local bus number in order to + * generate type 0 config cycle + */ + mvPexLocalBusNumSet(pexIf, bus); + mvPexLocalDevNumSet(pexIf, 1); + val = mvPexHwConfigRead (pexIf, bus, 0, func, regOff); + mvPexLocalBusNumSet(pexIf, localBus); + mvPexLocalDevNumSet(pexIf, localDev); + return val; + } + } + /* for all other devices use the HW function to get the + * requested registers + */ + mvPexLocalDevNumSet(pexIf, 1); + val = mvPexHwConfigRead (pexIf, bus, dev, func, regOff); + mvPexLocalDevNumSet(pexIf, localDev); + return val; +} + + +MV_STATUS mvPexVrtBrgConfigWrite(MV_U32 pexIf, MV_U32 bus, MV_U32 dev, + MV_U32 func, MV_U32 regOff, MV_U32 data) +{ + MV_U32 localBus = mvPexLocalBusNumGet(pexIf); + MV_U32 localDev = mvPexLocalDevNumGet(pexIf); + MV_STATUS status; + + if(bus == localBus) + { + if(dev > 1) + { + /* on the local device allow only device #0 & #1 */ + return MV_ERROR; + } + else + if (dev == localDev) + { + /* read the memory controller registers */ + return mvPexHwConfigWrite (pexIf, bus, dev, func, regOff, data); + } + else + { + /* access the virtual brg header */ + HEADER_WRITE(data, regOff); + return MV_OK; + } + } + else + if(bus == (localBus + 1)) + { + /* access the device behind the virtual bridge */ + if((dev == localDev) || (dev > 1)) + { + return MV_ERROR; + } + else + { + /* access the device behind the virtual bridge, in this case + * change the bus number to the local bus number in order to + * generate type 0 config cycle + */ + //return mvPexHwConfigWrite (pexIf, localBus, dev, func, regOff, data); + mvPexLocalBusNumSet(pexIf, bus); + mvPexLocalDevNumSet(pexIf, 1); + status = mvPexHwConfigWrite (pexIf, bus, 0, func, regOff, data); + mvPexLocalBusNumSet(pexIf, localBus); + mvPexLocalDevNumSet(pexIf, localDev); + return status; + + } + } + /* for all other devices use the HW function to get the + * requested registers + */ + mvPexLocalDevNumSet(pexIf, 1); + status = mvPexHwConfigWrite (pexIf, bus, dev, func, regOff, data); + mvPexLocalDevNumSet(pexIf, localDev); + return status; +} + + + + +void resetPexConfig(MV_U32 pexIf, MV_U32 bus, MV_U32 dev) +{ + MV_U32 tData; + MV_U32 i; + + /* restore the PEX configuration to initialization state */ + /* in case PEX P2P call recursive and reset config */ + tData = mvPexHwConfigRead (pexIf, bus, dev, 0x0, 0x0); + if(tData != 0xffffffff) + { + /* agent had been found - check whether P2P */ + tData = mvPexHwConfigRead (pexIf, bus, dev, 0x0, 0x8); + if((tData & 0xffff0000) == 0x06040000) + {/* P2P */ + /* get the sec bus and the subordinate */ + MV_U32 secBus; + tData = mvPexHwConfigRead (pexIf, bus, dev, 0x0, 0x18); + secBus = ((tData >> 8) & 0xff); + /* now scan on sec bus */ + for(i = 0;i < 0xff;i++) + { + resetPexConfig(pexIf, secBus, i); + } + /* now reset this device */ + DB(mvOsPrintf("Reset bus %d dev %d\n", bus, dev)); + mvPexHwConfigWrite(pexIf, bus, dev, 0x0, 0x18, 0x0); + DB(mvOsPrintf("Reset bus %d dev %d\n", bus, dev)); + } + } +} + + |