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@@ -12,7 +12,7 @@
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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@@ -46,8 +46,8 @@ static const unsigned char pci_irq_swizzle[2][PCI_MAX_DEVICES] = {
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#ifdef CONFIG_USE_CPCIDVI
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typedef struct {
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unsigned int base;
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unsigned int init;
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unsigned int base;
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unsigned int init;
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} GT_CPCIDVI_ROM_T;
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static GT_CPCIDVI_ROM_T gt_cpcidvi_rom = {0, 0};
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@@ -133,20 +133,20 @@ static const unsigned int pci_p2p_configuration[] = {
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/********************************************************************
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* pciWriteConfigReg - Write to a PCI configuration register
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* - Make sure the GT is configured as a master before writing
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* to another device on the PCI.
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* - The function takes care of Big/Little endian conversion.
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* - Make sure the GT is configured as a master before writing
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* to another device on the PCI.
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* - The function takes care of Big/Little endian conversion.
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*
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*
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* Inputs: unsigned int regOffset: The register offset as it apears in the GT spec
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* (or any other PCI device spec)
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* pciDevNum: The device number needs to be addressed.
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* (or any other PCI device spec)
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* pciDevNum: The device number needs to be addressed.
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*
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* Configuration Address 0xCF8:
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*
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* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
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* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
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* |congif|Reserved| Bus |Device|Function|Register|00|
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* |Enable| |Number|Number| Number | Number | | <=field Name
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* |Enable| |Number|Number| Number | Number | | <=field Name
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*
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*********************************************************************/
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void pciWriteConfigReg (PCI_HOST host, unsigned int regOffset,
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@@ -180,20 +180,20 @@ void pciWriteConfigReg (PCI_HOST host, unsigned int regOffset,
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/********************************************************************
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* pciReadConfigReg - Read from a PCI0 configuration register
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* - Make sure the GT is configured as a master before reading
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* from another device on the PCI.
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* - The function takes care of Big/Little endian conversion.
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* - Make sure the GT is configured as a master before reading
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* from another device on the PCI.
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* - The function takes care of Big/Little endian conversion.
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* INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI
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* spec)
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* pciDevNum: The device number needs to be addressed.
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* spec)
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* pciDevNum: The device number needs to be addressed.
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* RETURNS: data , if the data == 0xffffffff check the master abort bit in the
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* cause register to make sure the data is valid
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* cause register to make sure the data is valid
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*
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* Configuration Address 0xCF8:
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*
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* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
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* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
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* |congif|Reserved| Bus |Device|Function|Register|00|
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* |Enable| |Number|Number| Number | Number | | <=field Name
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* |Enable| |Number|Number| Number | Number | | <=field Name
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*
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*********************************************************************/
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unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset,
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@@ -228,21 +228,21 @@ unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset,
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/********************************************************************
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* pciOverBridgeWriteConfigReg - Write to a PCI configuration register where
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* the agent is placed on another Bus. For more
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* information read P2P in the PCI spec.
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* the agent is placed on another Bus. For more
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* information read P2P in the PCI spec.
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*
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* Inputs: unsigned int regOffset - The register offset as it apears in the
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* GT spec (or any other PCI device spec).
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* unsigned int pciDevNum - The device number needs to be addressed.
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* unsigned int busNum - On which bus does the Target agent connect
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* to.
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* unsigned int data - data to be written.
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* GT spec (or any other PCI device spec).
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* unsigned int pciDevNum - The device number needs to be addressed.
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* unsigned int busNum - On which bus does the Target agent connect
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* to.
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* unsigned int data - data to be written.
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*
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* Configuration Address 0xCF8:
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*
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* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
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* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
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* |congif|Reserved| Bus |Device|Function|Register|01|
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* |Enable| |Number|Number| Number | Number | | <=field Name
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* |Enable| |Number|Number| Number | Number | | <=field Name
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*
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* The configuration Address is configure as type-I (bits[1:0] = '01') due to
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* PCI spec referring to P2P.
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@@ -273,23 +273,23 @@ void pciOverBridgeWriteConfigReg (PCI_HOST host,
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/********************************************************************
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* pciOverBridgeReadConfigReg - Read from a PCIn configuration register where
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* the agent target locate on another PCI bus.
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* - Make sure the GT is configured as a master
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* before reading from another device on the PCI.
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* - The function takes care of Big/Little endian
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* conversion.
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* the agent target locate on another PCI bus.
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* - Make sure the GT is configured as a master
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* before reading from another device on the PCI.
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* - The function takes care of Big/Little endian
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* conversion.
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* INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI
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* spec). (configuration register offset.)
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* pciDevNum: The device number needs to be addressed.
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* busNum: the Bus number where the agent is place.
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* spec). (configuration register offset.)
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* pciDevNum: The device number needs to be addressed.
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* busNum: the Bus number where the agent is place.
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* RETURNS: data , if the data == 0xffffffff check the master abort bit in the
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* cause register to make sure the data is valid
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* cause register to make sure the data is valid
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*
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* Configuration Address 0xCF8:
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*
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* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
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* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
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* |congif|Reserved| Bus |Device|Function|Register|01|
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* |Enable| |Number|Number| Number | Number | | <=field Name
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* |Enable| |Number|Number| Number | Number | | <=field Name
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*
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*********************************************************************/
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unsigned int pciOverBridgeReadConfigReg (PCI_HOST host,
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@@ -393,7 +393,7 @@ static unsigned int pciGetRemapOffset (PCI_HOST host, PCI_REGION region)
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/********************************************************************
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* pciGetBaseAddress - Gets the base address of a PCI.
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* - If the PCI size is 0 then this base address has no meaning!!!
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* - If the PCI size is 0 then this base address has no meaning!!!
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*
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*
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* INPUT: Bus, Region - The bus and region we ask for its base address.
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@@ -501,13 +501,13 @@ void pciMapMemoryBank (PCI_HOST host, MEMORY_BANK bank,
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/********************************************************************
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* pciSetRegionFeatures - This function modifys one of the 8 regions with
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* feature bits given as an input.
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* - Be advised to check the spec before modifying them.
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* feature bits given as an input.
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* - Be advised to check the spec before modifying them.
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* Inputs: PCI_PROTECT_REGION region - one of the eight regions.
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* unsigned int features - See file: pci.h there are defintion for those
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* region features.
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* unsigned int baseAddress - The region base Address.
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* unsigned int topAddress - The region top Address.
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* unsigned int features - See file: pci.h there are defintion for those
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* region features.
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* unsigned int baseAddress - The region base Address.
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* unsigned int topAddress - The region top Address.
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* Returns: false if one of the parameters is erroneous true otherwise.
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*********************************************************************/
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bool pciSetRegionFeatures (PCI_HOST host, PCI_ACCESS_REGIONS region,
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@@ -541,7 +541,7 @@ bool pciSetRegionFeatures (PCI_HOST host, PCI_ACCESS_REGIONS region,
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/********************************************************************
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* pciDisableAccessRegion - Disable The given Region by writing MAX size
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* to its low Address and MIN size to its high Address.
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* to its low Address and MIN size to its high Address.
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*
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* Inputs: PCI_ACCESS_REGIONS region - The region we to be Disabled.
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* Returns: N/A.
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@@ -588,12 +588,12 @@ bool pciArbiterDisable (PCI_HOST host)
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* pciSetArbiterAgentsPriority - Priority setup for the PCI agents (Hi or Low)
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*
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* Inputs: PCI_AGENT_PRIO internalAgent - priotity for internal agent.
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* PCI_AGENT_PRIO externalAgent0 - priotity for external#0 agent.
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* PCI_AGENT_PRIO externalAgent1 - priotity for external#1 agent.
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* PCI_AGENT_PRIO externalAgent2 - priotity for external#2 agent.
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* PCI_AGENT_PRIO externalAgent3 - priotity for external#3 agent.
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* PCI_AGENT_PRIO externalAgent4 - priotity for external#4 agent.
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* PCI_AGENT_PRIO externalAgent5 - priotity for external#5 agent.
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* PCI_AGENT_PRIO externalAgent0 - priotity for external#0 agent.
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* PCI_AGENT_PRIO externalAgent1 - priotity for external#1 agent.
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* PCI_AGENT_PRIO externalAgent2 - priotity for external#2 agent.
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* PCI_AGENT_PRIO externalAgent3 - priotity for external#3 agent.
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* PCI_AGENT_PRIO externalAgent4 - priotity for external#4 agent.
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* PCI_AGENT_PRIO externalAgent5 - priotity for external#5 agent.
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* Returns: true
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*********************************************************************/
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bool pciSetArbiterAgentsPriority (PCI_HOST host, PCI_AGENT_PRIO internalAgent,
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@@ -619,17 +619,17 @@ bool pciSetArbiterAgentsPriority (PCI_HOST host, PCI_AGENT_PRIO internalAgent,
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/********************************************************************
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* pciParkingDisable - Park on last option disable, with this function you can
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* disable the park on last mechanism for each agent.
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* disabling this option for all agents results parking
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* on the internal master.
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* disable the park on last mechanism for each agent.
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* disabling this option for all agents results parking
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* on the internal master.
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*
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* Inputs: PCI_AGENT_PARK internalAgent - parking Disable for internal agent.
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* PCI_AGENT_PARK externalAgent0 - parking Disable for external#0 agent.
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* PCI_AGENT_PARK externalAgent1 - parking Disable for external#1 agent.
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* PCI_AGENT_PARK externalAgent2 - parking Disable for external#2 agent.
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* PCI_AGENT_PARK externalAgent3 - parking Disable for external#3 agent.
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* PCI_AGENT_PARK externalAgent4 - parking Disable for external#4 agent.
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* PCI_AGENT_PARK externalAgent5 - parking Disable for external#5 agent.
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* PCI_AGENT_PARK externalAgent0 - parking Disable for external#0 agent.
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* PCI_AGENT_PARK externalAgent1 - parking Disable for external#1 agent.
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* PCI_AGENT_PARK externalAgent2 - parking Disable for external#2 agent.
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* PCI_AGENT_PARK externalAgent3 - parking Disable for external#3 agent.
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* PCI_AGENT_PARK externalAgent4 - parking Disable for external#4 agent.
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* PCI_AGENT_PARK externalAgent5 - parking Disable for external#5 agent.
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* Returns: true
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*********************************************************************/
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bool pciParkingDisable (PCI_HOST host, PCI_AGENT_PARK internalAgent,
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@@ -655,11 +655,11 @@ bool pciParkingDisable (PCI_HOST host, PCI_AGENT_PARK internalAgent,
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/********************************************************************
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* pciEnableBrokenAgentDetection - A master is said to be broken if it fails to
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* respond to grant assertion within a window specified in
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* the input value: 'brokenValue'.
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* respond to grant assertion within a window specified in
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* the input value: 'brokenValue'.
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*
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* Inputs: unsigned char brokenValue - A value which limits the Master to hold the
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* grant without asserting frame.
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* grant without asserting frame.
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* Returns: Error for illegal broken value otherwise true.
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*********************************************************************/
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bool pciEnableBrokenAgentDetection (PCI_HOST host, unsigned char brokenValue)
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@@ -678,9 +678,9 @@ bool pciEnableBrokenAgentDetection (PCI_HOST host, unsigned char brokenValue)
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/********************************************************************
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* pciDisableBrokenAgentDetection - This function disable the Broken agent
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* Detection mechanism.
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* NOTE: This operation may cause a dead lock on the
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* pci0 arbitration.
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* Detection mechanism.
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* NOTE: This operation may cause a dead lock on the
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* pci0 arbitration.
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*
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* Inputs: N/A
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* Returns: true.
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@@ -697,15 +697,15 @@ bool pciDisableBrokenAgentDetection (PCI_HOST host)
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/********************************************************************
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* pciP2PConfig - This function set the PCI_n P2P configurate.
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* For more information on the P2P read PCI spec.
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* For more information on the P2P read PCI spec.
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*
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* Inputs: unsigned int SecondBusLow - Secondery PCI interface Bus Range Lower
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* Boundry.
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* unsigned int SecondBusHigh - Secondry PCI interface Bus Range upper
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* Boundry.
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* unsigned int busNum - The CPI bus number to which the PCI interface
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* is connected.
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* unsigned int devNum - The PCI interface's device number.
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* Boundry.
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* unsigned int SecondBusHigh - Secondry PCI interface Bus Range upper
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* Boundry.
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* unsigned int busNum - The CPI bus number to which the PCI interface
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* is connected.
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* unsigned int devNum - The PCI interface's device number.
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*
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* Returns: true.
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*********************************************************************/
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@@ -723,15 +723,15 @@ bool pciP2PConfig (PCI_HOST host, unsigned int SecondBusLow,
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/********************************************************************
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* pciSetRegionSnoopMode - This function modifys one of the 4 regions which
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* supports Cache Coherency in the PCI_n interface.
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* supports Cache Coherency in the PCI_n interface.
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* Inputs: region - One of the four regions.
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* snoopType - There is four optional Types:
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* 1. No Snoop.
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* 2. Snoop to WT region.
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* 3. Snoop to WB region.
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* 4. Snoop & Invalidate to WB region.
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* baseAddress - Base Address of this region.
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* regionLength - Region length.
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* snoopType - There is four optional Types:
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* 1. No Snoop.
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* 2. Snoop to WT region.
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* 3. Snoop to WB region.
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* 4. Snoop & Invalidate to WB region.
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* baseAddress - Base Address of this region.
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* regionLength - Region length.
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* Returns: false if one of the parameters is wrong otherwise return true.
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*********************************************************************/
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bool pciSetRegionSnoopMode (PCI_HOST host, PCI_SNOOP_REGION region,
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@@ -754,7 +754,7 @@ bool pciSetRegionSnoopMode (PCI_HOST host, PCI_SNOOP_REGION region,
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GT_REG_WRITE (snoopXtopAddress, 0);
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return true;
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}
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baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */
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baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */
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data = (baseAddress >> 20) | snoopType << 12;
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GT_REG_WRITE (snoopXbaseAddress, data);
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snoopHigh = (snoopHigh & 0xfff00000) >> 20;
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@@ -827,7 +827,7 @@ static void gt_setup_ide (struct pci_controller *hose,
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static void gt_setup_cpcidvi (struct pci_controller *hose,
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pci_dev_t dev, struct pci_config_table *entry)
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{
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u32 bar_value, pci_response;
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u32 bar_value, pci_response;
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pci_hose_read_config_dword (hose, dev, PCI_COMMAND, &pci_response);
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pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0, 0xffffffff);
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@@ -843,30 +843,30 @@ static void gt_setup_cpcidvi (struct pci_controller *hose,
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unsigned char gt_cpcidvi_in8(unsigned int offset)
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{
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unsigned char data;
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unsigned char data;
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if (gt_cpcidvi_rom.init == 0) {
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return(0);
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}
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data = in8((offset & 0x04) + 0x3f000 + gt_cpcidvi_rom.base);
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return(data);
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return(0);
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}
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|
data = in8((offset & 0x04) + 0x3f000 + gt_cpcidvi_rom.base);
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|
return(data);
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}
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|
void gt_cpcidvi_out8(unsigned int offset, unsigned char data)
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{
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|
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|
|
unsigned int off;
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|
unsigned int off;
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|
if (gt_cpcidvi_rom.init == 0) {
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|
return;
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|
}
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|
return;
|
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|
}
|
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|
|
off = data;
|
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|
|
off = ((off << 3) & 0x7f8) + (offset & 0x4) + 0x3e000 + gt_cpcidvi_rom.base;
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|
|
in8(off);
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|
|
return;
|
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|
|
in8(off);
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|
|
return;
|
|
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|
|
}
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|
#endif
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|
/* TODO BJW: Change this for DB64360. This was pulled from the EV64260 */
|
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|
|
/* TODO BJW: Change this for DB64360. This was pulled from the EV64260 */
|
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|
|
/* and is curently not called *. */
|
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|
|
#if 0
|
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|
|
static void gt_fixup_irq (struct pci_controller *hose, pci_dev_t dev)
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|