*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
{0, 0, 0, 0, 0, 0, 0, 29, 29, [9 ... PCI_MAX_DEVICES - 1] = 0 },
};
+#ifdef CONFIG_USE_CPCIDVI
+typedef struct {
+ unsigned int base;
+ unsigned int init;
+} GT_CPCIDVI_ROM_T;
+
+static GT_CPCIDVI_ROM_T gt_cpcidvi_rom = {0, 0};
+#endif
#ifdef DEBUG
static const unsigned int pci_bus_list[] = { PCI_0_MODE, PCI_1_MODE };
/********************************************************************
* pciWriteConfigReg - Write to a PCI configuration register
-* - Make sure the GT is configured as a master before writing
-* to another device on the PCI.
-* - The function takes care of Big/Little endian conversion.
+* - Make sure the GT is configured as a master before writing
+* to another device on the PCI.
+* - The function takes care of Big/Little endian conversion.
*
*
* Inputs: unsigned int regOffset: The register offset as it apears in the GT spec
-* (or any other PCI device spec)
-* pciDevNum: The device number needs to be addressed.
+* (or any other PCI device spec)
+* pciDevNum: The device number needs to be addressed.
*
* Configuration Address 0xCF8:
*
-* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
+* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
* |congif|Reserved| Bus |Device|Function|Register|00|
-* |Enable| |Number|Number| Number | Number | | <=field Name
+* |Enable| |Number|Number| Number | Number | | <=field Name
*
*********************************************************************/
void pciWriteConfigReg (PCI_HOST host, unsigned int regOffset,
/********************************************************************
* pciReadConfigReg - Read from a PCI0 configuration register
-* - Make sure the GT is configured as a master before reading
-* from another device on the PCI.
-* - The function takes care of Big/Little endian conversion.
+* - Make sure the GT is configured as a master before reading
+* from another device on the PCI.
+* - The function takes care of Big/Little endian conversion.
* INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI
-* spec)
-* pciDevNum: The device number needs to be addressed.
+* spec)
+* pciDevNum: The device number needs to be addressed.
* RETURNS: data , if the data == 0xffffffff check the master abort bit in the
-* cause register to make sure the data is valid
+* cause register to make sure the data is valid
*
* Configuration Address 0xCF8:
*
-* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
+* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
* |congif|Reserved| Bus |Device|Function|Register|00|
-* |Enable| |Number|Number| Number | Number | | <=field Name
+* |Enable| |Number|Number| Number | Number | | <=field Name
*
*********************************************************************/
unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset,
/********************************************************************
* pciOverBridgeWriteConfigReg - Write to a PCI configuration register where
-* the agent is placed on another Bus. For more
-* information read P2P in the PCI spec.
+* the agent is placed on another Bus. For more
+* information read P2P in the PCI spec.
*
* Inputs: unsigned int regOffset - The register offset as it apears in the
-* GT spec (or any other PCI device spec).
-* unsigned int pciDevNum - The device number needs to be addressed.
-* unsigned int busNum - On which bus does the Target agent connect
-* to.
-* unsigned int data - data to be written.
+* GT spec (or any other PCI device spec).
+* unsigned int pciDevNum - The device number needs to be addressed.
+* unsigned int busNum - On which bus does the Target agent connect
+* to.
+* unsigned int data - data to be written.
*
* Configuration Address 0xCF8:
*
-* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
+* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
* |congif|Reserved| Bus |Device|Function|Register|01|
-* |Enable| |Number|Number| Number | Number | | <=field Name
+* |Enable| |Number|Number| Number | Number | | <=field Name
*
* The configuration Address is configure as type-I (bits[1:0] = '01') due to
* PCI spec referring to P2P.
/********************************************************************
* pciOverBridgeReadConfigReg - Read from a PCIn configuration register where
-* the agent target locate on another PCI bus.
-* - Make sure the GT is configured as a master
-* before reading from another device on the PCI.
-* - The function takes care of Big/Little endian
-* conversion.
+* the agent target locate on another PCI bus.
+* - Make sure the GT is configured as a master
+* before reading from another device on the PCI.
+* - The function takes care of Big/Little endian
+* conversion.
* INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI
-* spec). (configuration register offset.)
-* pciDevNum: The device number needs to be addressed.
-* busNum: the Bus number where the agent is place.
+* spec). (configuration register offset.)
+* pciDevNum: The device number needs to be addressed.
+* busNum: the Bus number where the agent is place.
* RETURNS: data , if the data == 0xffffffff check the master abort bit in the
-* cause register to make sure the data is valid
+* cause register to make sure the data is valid
*
* Configuration Address 0xCF8:
*
-* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
+* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
* |congif|Reserved| Bus |Device|Function|Register|01|
-* |Enable| |Number|Number| Number | Number | | <=field Name
+* |Enable| |Number|Number| Number | Number | | <=field Name
*
*********************************************************************/
unsigned int pciOverBridgeReadConfigReg (PCI_HOST host,
/********************************************************************
* pciGetBaseAddress - Gets the base address of a PCI.
-* - If the PCI size is 0 then this base address has no meaning!!!
+* - If the PCI size is 0 then this base address has no meaning!!!
*
*
* INPUT: Bus, Region - The bus and region we ask for its base address.
/********************************************************************
* pciSetRegionFeatures - This function modifys one of the 8 regions with
-* feature bits given as an input.
-* - Be advised to check the spec before modifying them.
+* feature bits given as an input.
+* - Be advised to check the spec before modifying them.
* Inputs: PCI_PROTECT_REGION region - one of the eight regions.
-* unsigned int features - See file: pci.h there are defintion for those
-* region features.
-* unsigned int baseAddress - The region base Address.
-* unsigned int topAddress - The region top Address.
+* unsigned int features - See file: pci.h there are defintion for those
+* region features.
+* unsigned int baseAddress - The region base Address.
+* unsigned int topAddress - The region top Address.
* Returns: false if one of the parameters is erroneous true otherwise.
*********************************************************************/
bool pciSetRegionFeatures (PCI_HOST host, PCI_ACCESS_REGIONS region,
/********************************************************************
* pciDisableAccessRegion - Disable The given Region by writing MAX size
-* to its low Address and MIN size to its high Address.
+* to its low Address and MIN size to its high Address.
*
* Inputs: PCI_ACCESS_REGIONS region - The region we to be Disabled.
* Returns: N/A.
* pciSetArbiterAgentsPriority - Priority setup for the PCI agents (Hi or Low)
*
* Inputs: PCI_AGENT_PRIO internalAgent - priotity for internal agent.
-* PCI_AGENT_PRIO externalAgent0 - priotity for external#0 agent.
-* PCI_AGENT_PRIO externalAgent1 - priotity for external#1 agent.
-* PCI_AGENT_PRIO externalAgent2 - priotity for external#2 agent.
-* PCI_AGENT_PRIO externalAgent3 - priotity for external#3 agent.
-* PCI_AGENT_PRIO externalAgent4 - priotity for external#4 agent.
-* PCI_AGENT_PRIO externalAgent5 - priotity for external#5 agent.
+* PCI_AGENT_PRIO externalAgent0 - priotity for external#0 agent.
+* PCI_AGENT_PRIO externalAgent1 - priotity for external#1 agent.
+* PCI_AGENT_PRIO externalAgent2 - priotity for external#2 agent.
+* PCI_AGENT_PRIO externalAgent3 - priotity for external#3 agent.
+* PCI_AGENT_PRIO externalAgent4 - priotity for external#4 agent.
+* PCI_AGENT_PRIO externalAgent5 - priotity for external#5 agent.
* Returns: true
*********************************************************************/
bool pciSetArbiterAgentsPriority (PCI_HOST host, PCI_AGENT_PRIO internalAgent,
/********************************************************************
* pciParkingDisable - Park on last option disable, with this function you can
-* disable the park on last mechanism for each agent.
-* disabling this option for all agents results parking
-* on the internal master.
+* disable the park on last mechanism for each agent.
+* disabling this option for all agents results parking
+* on the internal master.
*
* Inputs: PCI_AGENT_PARK internalAgent - parking Disable for internal agent.
-* PCI_AGENT_PARK externalAgent0 - parking Disable for external#0 agent.
-* PCI_AGENT_PARK externalAgent1 - parking Disable for external#1 agent.
-* PCI_AGENT_PARK externalAgent2 - parking Disable for external#2 agent.
-* PCI_AGENT_PARK externalAgent3 - parking Disable for external#3 agent.
-* PCI_AGENT_PARK externalAgent4 - parking Disable for external#4 agent.
-* PCI_AGENT_PARK externalAgent5 - parking Disable for external#5 agent.
+* PCI_AGENT_PARK externalAgent0 - parking Disable for external#0 agent.
+* PCI_AGENT_PARK externalAgent1 - parking Disable for external#1 agent.
+* PCI_AGENT_PARK externalAgent2 - parking Disable for external#2 agent.
+* PCI_AGENT_PARK externalAgent3 - parking Disable for external#3 agent.
+* PCI_AGENT_PARK externalAgent4 - parking Disable for external#4 agent.
+* PCI_AGENT_PARK externalAgent5 - parking Disable for external#5 agent.
* Returns: true
*********************************************************************/
bool pciParkingDisable (PCI_HOST host, PCI_AGENT_PARK internalAgent,
/********************************************************************
* pciEnableBrokenAgentDetection - A master is said to be broken if it fails to
-* respond to grant assertion within a window specified in
-* the input value: 'brokenValue'.
+* respond to grant assertion within a window specified in
+* the input value: 'brokenValue'.
*
* Inputs: unsigned char brokenValue - A value which limits the Master to hold the
-* grant without asserting frame.
+* grant without asserting frame.
* Returns: Error for illegal broken value otherwise true.
*********************************************************************/
bool pciEnableBrokenAgentDetection (PCI_HOST host, unsigned char brokenValue)
/********************************************************************
* pciDisableBrokenAgentDetection - This function disable the Broken agent
-* Detection mechanism.
-* NOTE: This operation may cause a dead lock on the
-* pci0 arbitration.
+* Detection mechanism.
+* NOTE: This operation may cause a dead lock on the
+* pci0 arbitration.
*
* Inputs: N/A
* Returns: true.
/********************************************************************
* pciP2PConfig - This function set the PCI_n P2P configurate.
-* For more information on the P2P read PCI spec.
+* For more information on the P2P read PCI spec.
*
* Inputs: unsigned int SecondBusLow - Secondery PCI interface Bus Range Lower
-* Boundry.
-* unsigned int SecondBusHigh - Secondry PCI interface Bus Range upper
-* Boundry.
-* unsigned int busNum - The CPI bus number to which the PCI interface
-* is connected.
-* unsigned int devNum - The PCI interface's device number.
+* Boundry.
+* unsigned int SecondBusHigh - Secondry PCI interface Bus Range upper
+* Boundry.
+* unsigned int busNum - The CPI bus number to which the PCI interface
+* is connected.
+* unsigned int devNum - The PCI interface's device number.
*
* Returns: true.
*********************************************************************/
/********************************************************************
* pciSetRegionSnoopMode - This function modifys one of the 4 regions which
-* supports Cache Coherency in the PCI_n interface.
+* supports Cache Coherency in the PCI_n interface.
* Inputs: region - One of the four regions.
-* snoopType - There is four optional Types:
-* 1. No Snoop.
-* 2. Snoop to WT region.
-* 3. Snoop to WB region.
-* 4. Snoop & Invalidate to WB region.
-* baseAddress - Base Address of this region.
-* regionLength - Region length.
+* snoopType - There is four optional Types:
+* 1. No Snoop.
+* 2. Snoop to WT region.
+* 3. Snoop to WB region.
+* 4. Snoop & Invalidate to WB region.
+* baseAddress - Base Address of this region.
+* regionLength - Region length.
* Returns: false if one of the parameters is wrong otherwise return true.
*********************************************************************/
bool pciSetRegionSnoopMode (PCI_HOST host, PCI_SNOOP_REGION region,
GT_REG_WRITE (snoopXtopAddress, 0);
return true;
}
- baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */
+ baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */
data = (baseAddress >> 20) | snoopType << 12;
GT_REG_WRITE (snoopXbaseAddress, data);
snoopHigh = (snoopHigh & 0xfff00000) >> 20;
unsigned int offset =
(bar < 2) ? bar * 8 : 0x100 + (bar - 2) * 8;
- pci_write_config_dword (dev, PCI_BASE_ADDRESS_0 + offset,
- 0x0);
- pci_read_config_dword (dev, PCI_BASE_ADDRESS_0 + offset,
- &bar_response);
+ pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0 + offset,
+ 0x0);
+ pci_hose_read_config_dword (hose, dev, PCI_BASE_ADDRESS_0 + offset,
+ &bar_response);
pciauto_region_allocate (bar_response &
PCI_BASE_ADDRESS_SPACE_IO ? hose->
pci_io : hose->pci_mem, ide_bar[bar],
&bar_value);
- pci_write_config_dword (dev, PCI_BASE_ADDRESS_0 + bar * 4,
- bar_value);
+ pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0 + bar * 4,
+ bar_value);
}
}
+#ifdef CONFIG_USE_CPCIDVI
+static void gt_setup_cpcidvi (struct pci_controller *hose,
+ pci_dev_t dev, struct pci_config_table *entry)
+{
+ u32 bar_value, pci_response;
+
+ pci_hose_read_config_dword (hose, dev, PCI_COMMAND, &pci_response);
+ pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0, 0xffffffff);
+ pci_hose_read_config_dword (hose, dev, PCI_BASE_ADDRESS_0, &pci_response);
+ pciauto_region_allocate (hose->pci_mem, 0x01000000, &bar_value);
+ pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0, (bar_value & 0xffffff00));
+ pci_hose_write_config_dword (hose, dev, PCI_ROM_ADDRESS, 0x0);
+ pciauto_region_allocate (hose->pci_mem, 0x40000, &bar_value);
+ pci_hose_write_config_dword (hose, dev, PCI_ROM_ADDRESS, (bar_value & 0xffffff00) | 0x01);
+ gt_cpcidvi_rom.base = bar_value & 0xffffff00;
+ gt_cpcidvi_rom.init = 1;
+}
+
+unsigned char gt_cpcidvi_in8(unsigned int offset)
+{
+ unsigned char data;
+
+ if (gt_cpcidvi_rom.init == 0) {
+ return(0);
+ }
+ data = in8((offset & 0x04) + 0x3f000 + gt_cpcidvi_rom.base);
+ return(data);
+}
+
+void gt_cpcidvi_out8(unsigned int offset, unsigned char data)
+{
+ unsigned int off;
-/* TODO BJW: Change this for DB64360. This was pulled from the EV64260 */
+ if (gt_cpcidvi_rom.init == 0) {
+ return;
+ }
+ off = data;
+ off = ((off << 3) & 0x7f8) + (offset & 0x4) + 0x3e000 + gt_cpcidvi_rom.base;
+ in8(off);
+ return;
+}
+#endif
+
+/* TODO BJW: Change this for DB64360. This was pulled from the EV64260 */
/* and is curently not called *. */
#if 0
static void gt_fixup_irq (struct pci_controller *hose, pci_dev_t dev)
#endif
struct pci_config_table gt_config_table[] = {
+#ifdef CONFIG_USE_CPCIDVI
+ {PCI_VENDOR_ID_CT, PCI_DEVICE_ID_CT_69030, PCI_CLASS_DISPLAY_VGA,
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, gt_setup_cpcidvi},
+#endif
{PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE,
PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, gt_setup_ide},
-
{}
};
#ifdef CONFIG_PCI_PNP
unsigned int bar;
#endif
-
#ifdef DEBUG
gt_pci_bus_mode_display (PCI_HOST0);
#endif
+#ifdef CONFIG_USE_CPCIDVI
+ gt_cpcidvi_rom.init = 0;
+ gt_cpcidvi_rom.base = 0;
+#endif
+
+ pci0_hose.config_table = gt_config_table;
+ pci1_hose.config_table = gt_config_table;
+
+#ifdef CONFIG_USE_CPCIDVI
+ gt_config_table[0].config_device = gt_setup_cpcidvi;
+#endif
+ gt_config_table[1].config_device = gt_setup_ide;
pci0_hose.first_busno = 0;
pci0_hose.last_busno = 0xff;