diff options
Diffstat (limited to 'board/evb64260/pci.c')
| -rw-r--r-- | board/evb64260/pci.c | 691 |
1 files changed, 691 insertions, 0 deletions
diff --git a/board/evb64260/pci.c b/board/evb64260/pci.c new file mode 100644 index 0000000..8e9178d --- /dev/null +++ b/board/evb64260/pci.c @@ -0,0 +1,691 @@ +/* PCI.c - PCI functions */ + +/* Copyright - Galileo technology. */ + +#include <common.h> +#include <pci.h> + +#include <galileo/pci.h> + +static const unsigned char pci_irq_swizzle[2][PCI_MAX_DEVICES] = { +#ifdef CONFIG_ZUMA_V2 + {0,0,0,0,0,0,0,29, [8 ... PCI_MAX_DEVICES-1]=0}, + {0,0,0,0,0,0,0,28, [8 ... PCI_MAX_DEVICES-1]=0} +#else /* EVB??? This is a guess */ + {0,0,0,0,0,0,0,27,27, [9 ... PCI_MAX_DEVICES-1]=0}, + {0,0,0,0,0,0,0,29,29, [9 ... PCI_MAX_DEVICES-1]=0} +#endif +}; + +static const unsigned int pci_p2p_configuration_reg[]={ + PCI_0P2P_CONFIGURATION, PCI_1P2P_CONFIGURATION}; + +static const unsigned int pci_configuration_address[]={ + PCI_0CONFIGURATION_ADDRESS, PCI_1CONFIGURATION_ADDRESS}; + +static const unsigned int pci_configuration_data[]={ + PCI_0CONFIGURATION_DATA_VIRTUAL_REGISTER, + PCI_1CONFIGURATION_DATA_VIRTUAL_REGISTER}; + +static const unsigned int pci_error_cause_reg[]={ + PCI_0ERROR_CAUSE, PCI_1ERROR_CAUSE}; + +static const unsigned int pci_arbiter_control[]={ + PCI_0ARBITER_CONTROL, PCI_1ARBITER_CONTROL}; + +static const unsigned int pci_snoop_control_base_0_low[]={ + PCI_0SNOOP_CONTROL_BASE_0_LOW, PCI_1SNOOP_CONTROL_BASE_0_LOW}; +static const unsigned int pci_snoop_control_top_0[]={ + PCI_0SNOOP_CONTROL_TOP_0, PCI_1SNOOP_CONTROL_TOP_0}; + +static const unsigned int pci_access_control_base_0_low[]={ + PCI_0ACCESS_CONTROL_BASE_0_LOW, PCI_1ACCESS_CONTROL_BASE_0_LOW}; +static const unsigned int pci_access_control_top_0[]={ + PCI_0ACCESS_CONTROL_TOP_0, PCI_1ACCESS_CONTROL_TOP_0}; + +static const unsigned int pci_scs_bank_size[2][4] = { + {PCI_0SCS_0_BANK_SIZE, PCI_0SCS_1_BANK_SIZE, + PCI_0SCS_2_BANK_SIZE, PCI_0SCS_3_BANK_SIZE}, + {PCI_1SCS_0_BANK_SIZE, PCI_1SCS_1_BANK_SIZE, + PCI_1SCS_2_BANK_SIZE, PCI_1SCS_3_BANK_SIZE}}; + +static const unsigned int pci_p2p_configuration[] = { + PCI_0P2P_CONFIGURATION, PCI_1P2P_CONFIGURATION}; + +/******************************************************************** +* 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. +* +* +* 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. +* +* Configuration Address 0xCF8: +* +* 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 +* +*********************************************************************/ +void pciWriteConfigReg(PCI_HOST host, unsigned int regOffset,unsigned int pciDevNum,unsigned int data) +{ + volatile unsigned int DataForAddrReg; + unsigned int functionNum; + unsigned int busNum = 0; + unsigned int addr; + + if(pciDevNum > 32) /* illegal device Number */ + return; + if(pciDevNum == SELF) /* configure our configuration space. */ + { + pciDevNum = (GTREGREAD(pci_p2p_configuration_reg[host]) >> 24) & 0x1f; + busNum = GTREGREAD(pci_p2p_configuration_reg[host]) & 0xff0000; + } + functionNum = regOffset & 0x00000700; + pciDevNum = pciDevNum << 11; + regOffset = regOffset & 0xfc; + DataForAddrReg = ( regOffset | pciDevNum | functionNum | busNum) | BIT31; + GT_REG_WRITE(pci_configuration_address[host],DataForAddrReg); + GT_REG_READ(pci_configuration_address[host], &addr); + if (addr != DataForAddrReg) return; + GT_REG_WRITE(pci_configuration_data[host],data); +} + +/******************************************************************** +* 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. +* INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI +* 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 +* +* Configuration Address 0xCF8: +* +* 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 +* +*********************************************************************/ +unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset,unsigned int pciDevNum) +{ + volatile unsigned int DataForAddrReg; + unsigned int data; + unsigned int functionNum; + unsigned int busNum = 0; + + if(pciDevNum > 32) /* illegal device Number */ + return 0xffffffff; + if(pciDevNum == SELF) /* configure our configuration space. */ + { + pciDevNum = (GTREGREAD(pci_p2p_configuration_reg[host]) >> 24) & 0x1f; + busNum = GTREGREAD(pci_p2p_configuration_reg[host]) & 0xff0000; + } + functionNum = regOffset & 0x00000700; + pciDevNum = pciDevNum << 11; + regOffset = regOffset & 0xfc; + DataForAddrReg = (regOffset | pciDevNum | functionNum | busNum) | BIT31 ; + GT_REG_WRITE(pci_configuration_address[host],DataForAddrReg); + GT_REG_READ(pci_configuration_address[host], &data); + if (data != DataForAddrReg) + return 0xffffffff; + GT_REG_READ(pci_configuration_data[host], &data); + return data; +} + +/******************************************************************** +* pciOverBridgeWriteConfigReg - Write to a PCI configuration register where +* 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. +* +* Configuration Address 0xCF8: +* +* 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 +* +* The configuration Address is configure as type-I (bits[1:0] = '01') due to +* PCI spec referring to P2P. +* +*********************************************************************/ +void pciOverBridgeWriteConfigReg(PCI_HOST host, + unsigned int regOffset, + unsigned int pciDevNum, + unsigned int busNum,unsigned int data) +{ + unsigned int DataForReg; + unsigned int functionNum; + + functionNum = regOffset & 0x00000700; + pciDevNum = pciDevNum << 11; + regOffset = regOffset & 0xff; + busNum = busNum << 16; + if(pciDevNum == SELF) /* This board */ + { + DataForReg = ( regOffset | pciDevNum | functionNum) | BIT0; + } + else + { + DataForReg = ( regOffset | pciDevNum | functionNum | busNum) | + BIT31 | BIT0; + } + GT_REG_WRITE(pci_configuration_address[host],DataForReg); + if(pciDevNum == SELF) /* This board */ + { + GT_REG_WRITE(pci_configuration_data[host],data); + } + else /* configuration Transaction over the pci. */ + { + /* The PCI is working in LE Mode So it swap the Data. */ + GT_REG_WRITE(pci_configuration_data[host],WORD_SWAP(data)); + } +} + + +/******************************************************************** +* 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. +* 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. +* RETURNS: data , if the data == 0xffffffff check the master abort bit in the +* 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 +* |congif|Reserved| Bus |Device|Function|Register|01| +* |Enable| |Number|Number| Number | Number | | <=field Name +* +*********************************************************************/ +unsigned int pciOverBridgeReadConfigReg(PCI_HOST host, + unsigned int regOffset, + unsigned int pciDevNum, + unsigned int busNum) +{ + unsigned int DataForReg; + unsigned int data; + unsigned int functionNum; + + functionNum = regOffset & 0x00000700; + pciDevNum = pciDevNum << 11; + regOffset = regOffset & 0xff; + busNum = busNum << 16; + if (pciDevNum == SELF) /* This board */ + { + DataForReg = (regOffset | pciDevNum | functionNum) | BIT31 ; + } + else /* agent on another bus */ + { + DataForReg = (regOffset | pciDevNum | functionNum | busNum) | + BIT0 | BIT31 ; + } + GT_REG_WRITE(pci_configuration_address[host],DataForReg); + if (pciDevNum == SELF) /* This board */ + { + GT_REG_READ(pci_configuration_data[host], &data); + return data; + } + else /* The PCI is working in LE Mode So it swap the Data. */ + { + GT_REG_READ(pci_configuration_data[host], &data); + return WORD_SWAP(data); + } +} + +/******************************************************************** +* pciGetRegOffset - Gets the register offset for this region config. +* +* INPUT: Bus, Region - The bus and region we ask for its base address. +* OUTPUT: N/A +* RETURNS: PCI register base address +*********************************************************************/ +static unsigned int pciGetRegOffset(PCI_HOST host, PCI_REGION region) +{ + switch (host) + { + case PCI_HOST0: + switch(region) { + case PCI_IO: return PCI_0I_O_LOW_DECODE_ADDRESS; + case PCI_REGION0: return PCI_0MEMORY0_LOW_DECODE_ADDRESS; + case PCI_REGION1: return PCI_0MEMORY1_LOW_DECODE_ADDRESS; + case PCI_REGION2: return PCI_0MEMORY2_LOW_DECODE_ADDRESS; + case PCI_REGION3: return PCI_0MEMORY3_LOW_DECODE_ADDRESS; + } + case PCI_HOST1: + switch(region) { + case PCI_IO: return PCI_1I_O_LOW_DECODE_ADDRESS; + case PCI_REGION0: return PCI_1MEMORY0_LOW_DECODE_ADDRESS; + case PCI_REGION1: return PCI_1MEMORY1_LOW_DECODE_ADDRESS; + case PCI_REGION2: return PCI_1MEMORY2_LOW_DECODE_ADDRESS; + case PCI_REGION3: return PCI_1MEMORY3_LOW_DECODE_ADDRESS; + } + } + return PCI_0MEMORY0_LOW_DECODE_ADDRESS; +} + +static unsigned int pciGetRemapOffset(PCI_HOST host, PCI_REGION region) +{ + switch (host) + { + case PCI_HOST0: + switch(region) { + case PCI_IO: return PCI_0I_O_ADDRESS_REMAP; + case PCI_REGION0: return PCI_0MEMORY0_ADDRESS_REMAP; + case PCI_REGION1: return PCI_0MEMORY1_ADDRESS_REMAP; + case PCI_REGION2: return PCI_0MEMORY2_ADDRESS_REMAP; + case PCI_REGION3: return PCI_0MEMORY3_ADDRESS_REMAP; + } + case PCI_HOST1: + switch(region) { + case PCI_IO: return PCI_1I_O_ADDRESS_REMAP; + case PCI_REGION0: return PCI_1MEMORY0_ADDRESS_REMAP; + case PCI_REGION1: return PCI_1MEMORY1_ADDRESS_REMAP; + case PCI_REGION2: return PCI_1MEMORY2_ADDRESS_REMAP; + case PCI_REGION3: return PCI_1MEMORY3_ADDRESS_REMAP; + } + } + return PCI_0MEMORY0_ADDRESS_REMAP; +} + +bool pciMapSpace(PCI_HOST host, PCI_REGION region, unsigned int remapBase, unsigned int bankBase,unsigned int bankLength) +{ + unsigned int low=0xfff; + unsigned int high=0x0; + unsigned int regOffset=pciGetRegOffset(host, region); + unsigned int remapOffset=pciGetRemapOffset(host, region); + + if(bankLength!=0) { + low = (bankBase >> 20) & 0xfff; + high=((bankBase+bankLength)>>20)-1; + } + + GT_REG_WRITE(regOffset, low | (1<<24)); /* no swapping */ + GT_REG_WRITE(regOffset+8, high); + + if(bankLength!=0) { /* must do AFTER writing maps */ + GT_REG_WRITE(remapOffset, remapBase>>20); /* sorry, 32 bits only. + dont support upper 32 + in this driver */ + } + return true; +} + +unsigned int pciGetSpaceBase(PCI_HOST host, PCI_REGION region) +{ + unsigned int low; + unsigned int regOffset=pciGetRegOffset(host, region); + GT_REG_READ(regOffset,&low); + return (low&0xfff)<<20; +} + +unsigned int pciGetSpaceSize(PCI_HOST host, PCI_REGION region) +{ + unsigned int low,high; + unsigned int regOffset=pciGetRegOffset(host, region); + GT_REG_READ(regOffset,&low); + GT_REG_READ(regOffset+8,&high); + high&=0xfff; + low&=0xfff; + if(high<=low) return 0; + return (high+1-low)<<20; +} + +/******************************************************************** +* pciMapMemoryBank - Maps PCI_host memory bank "bank" for the slave. +* +* Inputs: base and size of PCI SCS +*********************************************************************/ +void pciMapMemoryBank(PCI_HOST host, MEMORY_BANK bank, unsigned int pciDramBase,unsigned int pciDramSize) +{ + pciDramBase = pciDramBase & 0xfffff000; + pciDramBase = pciDramBase | (pciReadConfigReg(host, + PCI_SCS_0_BASE_ADDRESS + 4*bank,SELF) & 0x00000fff); + pciWriteConfigReg(host,PCI_SCS_0_BASE_ADDRESS + 4*bank,SELF,pciDramBase); + if(pciDramSize == 0) + pciDramSize ++; + GT_REG_WRITE(pci_scs_bank_size[host][bank], pciDramSize-1); +} + + +/******************************************************************** +* 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. +* 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. +* Returns: false if one of the parameters is erroneous true otherwise. +*********************************************************************/ +bool pciSetRegionFeatures(PCI_HOST host, PCI_ACCESS_REGIONS region,unsigned int features, + unsigned int baseAddress,unsigned int regionLength) +{ + unsigned int accessLow; + unsigned int accessHigh; + unsigned int accessTop = baseAddress + regionLength; + + if(regionLength == 0) /* close the region. */ + { + pciDisableAccessRegion(host, region); + return true; + } + /* base Address is store is bits [11:0] */ + accessLow = (baseAddress & 0xfff00000) >> 20; + /* All the features are update according to the defines in pci.h (to be on + the safe side we disable bits: [11:0] */ + accessLow = accessLow | (features & 0xfffff000); + /* write to the Low Access Region register */ + GT_REG_WRITE( pci_access_control_base_0_low[host] + 0x10*region,accessLow); + + accessHigh = (accessTop & 0xfff00000) >> 20; + + /* write to the High Access Region register */ + GT_REG_WRITE(pci_access_control_top_0[host] + 0x10*region,accessHigh - 1); + return true; +} + +/******************************************************************** +* pciDisableAccessRegion - Disable The given Region by writing MAX size +* 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. +*********************************************************************/ +void pciDisableAccessRegion(PCI_HOST host, PCI_ACCESS_REGIONS region) +{ + /* writing back the registers default values. */ + GT_REG_WRITE(pci_access_control_base_0_low[host] + 0x10*region,0x01001fff); + GT_REG_WRITE(pci_access_control_top_0[host] + 0x10*region,0); +} + +/******************************************************************** +* pciArbiterEnable - Enables PCI-0`s Arbitration mechanism. +* +* Inputs: N/A +* Returns: true. +*********************************************************************/ +bool pciArbiterEnable(PCI_HOST host) +{ + unsigned int regData; + + GT_REG_READ(pci_arbiter_control[host],®Data); + GT_REG_WRITE(pci_arbiter_control[host],regData | BIT31); + return true; +} + +/******************************************************************** +* pciArbiterDisable - Disable PCI-0`s Arbitration mechanism. +* +* Inputs: N/A +* Returns: true +*********************************************************************/ +bool pciArbiterDisable(PCI_HOST host) +{ + unsigned int regData; + + GT_REG_READ(pci_arbiter_control[host],®Data); + GT_REG_WRITE(pci_arbiter_control[host],regData & 0x7fffffff); + return true; +} + +/******************************************************************** +* 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. +* +* 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. +* Returns: true +*********************************************************************/ +bool pciParkingDisable(PCI_HOST host, PCI_AGENT_PARK internalAgent, + PCI_AGENT_PARK externalAgent0, + PCI_AGENT_PARK externalAgent1, + PCI_AGENT_PARK externalAgent2, + PCI_AGENT_PARK externalAgent3, + PCI_AGENT_PARK externalAgent4, + PCI_AGENT_PARK externalAgent5) +{ + unsigned int regData; + unsigned int writeData; + + GT_REG_READ(pci_arbiter_control[host],®Data); + writeData = (internalAgent << 14) + (externalAgent0 << 15) + \ + (externalAgent1 << 16) + (externalAgent2 << 17) + \ + (externalAgent3 << 18) + (externalAgent4 << 19) + \ + (externalAgent5 << 20); + regData = (regData & ~(0x7f<<14)) | writeData; + GT_REG_WRITE(pci_arbiter_control[host],regData); + return true; +} + +/******************************************************************** +* pciSetRegionSnoopMode - This function modifys one of the 4 regions which +* 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. +* Returns: false if one of the parameters is wrong otherwise return true. +*********************************************************************/ +bool pciSetRegionSnoopMode(PCI_HOST host, PCI_SNOOP_REGION region,PCI_SNOOP_TYPE snoopType, + unsigned int baseAddress, + unsigned int regionLength) +{ + unsigned int snoopXbaseAddress; + unsigned int snoopXtopAddress; + unsigned int data; + unsigned int snoopHigh = baseAddress + regionLength; + + if( (region > PCI_SNOOP_REGION3) || (snoopType > PCI_SNOOP_WB) ) + return false; + snoopXbaseAddress = pci_snoop_control_base_0_low[host] + 0x10 * region; + snoopXtopAddress = pci_snoop_control_top_0[host] + 0x10 * region; + if(regionLength == 0) /* closing the region */ + { + GT_REG_WRITE(snoopXbaseAddress,0x0000ffff); + GT_REG_WRITE(snoopXtopAddress,0); + return true; + } + baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */ + data = (baseAddress >> 20) | snoopType << 12; + GT_REG_WRITE(snoopXbaseAddress,data); + snoopHigh = (snoopHigh & 0xfff00000) >> 20; + GT_REG_WRITE(snoopXtopAddress,snoopHigh - 1); + return true; +} + +/* + * + */ + +static int gt_read_config_dword(struct pci_controller *hose, + pci_dev_t dev, + int offset, u32* value) +{ + *value = pciReadConfigReg((PCI_HOST) hose->cfg_addr, offset, PCI_DEV(dev)); + return 0; +} + +static int gt_write_config_dword(struct pci_controller *hose, + pci_dev_t dev, + int offset, u32 value) +{ + pciWriteConfigReg((PCI_HOST)hose->cfg_addr, offset, PCI_DEV(dev), value); + return 0; +} + +/* + * + */ + +static void gt_setup_ide(struct pci_controller *hose, + pci_dev_t dev, struct pci_config_table *entry) +{ + static const int ide_bar[]={8,4,8,4,0,0}; + u32 bar_response, bar_value; + int bar; + + for (bar=0; bar<6; bar++) + { + pci_write_config_dword(dev, PCI_BASE_ADDRESS_0 + bar*4, 0x0); + pci_read_config_dword(dev, PCI_BASE_ADDRESS_0 + bar*4, &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); + } +} + +static void gt_fixup_irq(struct pci_controller *hose, pci_dev_t dev) +{ + unsigned char pin, irq; + + pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); + + if(pin == 1) { /* only allow INT A */ + irq = pci_irq_swizzle[(PCI_HOST)hose->cfg_addr][PCI_DEV(dev)]; + if(irq) + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); + } +} + +struct pci_config_table gt_config_table[] = { + { PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE, + PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, gt_setup_ide}, + + { } +}; + +struct pci_controller pci0_hose = { + fixup_irq: gt_fixup_irq, + config_table: gt_config_table, +}; + +struct pci_controller pci1_hose = { + fixup_irq: gt_fixup_irq, + config_table: gt_config_table, +}; + +void +pci_init(void) +{ + unsigned int command; + + pci0_hose.first_busno = 0; + pci0_hose.last_busno = 0xff; + + /* PCI memory space */ + pci_set_region(pci0_hose.regions + 0, + CFG_PCI0_0_MEM_SPACE, + CFG_PCI0_0_MEM_SPACE, + CFG_PCI0_MEM_SIZE, + PCI_REGION_MEM); + + /* PCI I/O space */ + pci_set_region(pci0_hose.regions + 1, + CFG_PCI0_IO_SPACE_PCI, + CFG_PCI0_IO_SPACE, + CFG_PCI0_IO_SIZE, + PCI_REGION_IO); + + pci_set_ops(&pci0_hose, + pci_hose_read_config_byte_via_dword, + pci_hose_read_config_word_via_dword, + gt_read_config_dword, + pci_hose_write_config_byte_via_dword, + pci_hose_write_config_word_via_dword, + gt_write_config_dword); + + pci0_hose.region_count = 2; + + pci0_hose.cfg_addr = (unsigned int*) PCI_HOST0; + + pci_register_hose(&pci0_hose); + + pciArbiterEnable(PCI_HOST0); + pciParkingDisable(PCI_HOST0,1,1,1,1,1,1,1); + + command = pciReadConfigReg(PCI_HOST0, PCI_COMMAND, SELF); + command |= PCI_COMMAND_MASTER; + pciWriteConfigReg(PCI_HOST0, PCI_COMMAND, SELF, command); + + pci0_hose.last_busno = pci_hose_scan(&pci0_hose); + + command = pciReadConfigReg(PCI_HOST0, PCI_COMMAND, SELF); + command |= PCI_COMMAND_MEMORY; + pciWriteConfigReg(PCI_HOST0, PCI_COMMAND, SELF, command); + + pci1_hose.first_busno = pci0_hose.last_busno + 1; + pci1_hose.last_busno = 0xff; + + /* PCI memory space */ + pci_set_region(pci1_hose.regions + 0, + CFG_PCI1_0_MEM_SPACE, + CFG_PCI1_0_MEM_SPACE, + CFG_PCI1_MEM_SIZE, + PCI_REGION_MEM); + + /* PCI I/O space */ + pci_set_region(pci1_hose.regions + 1, + CFG_PCI1_IO_SPACE_PCI, + CFG_PCI1_IO_SPACE, + CFG_PCI1_IO_SIZE, + PCI_REGION_IO); + + pci_set_ops(&pci1_hose, + pci_hose_read_config_byte_via_dword, + pci_hose_read_config_word_via_dword, + gt_read_config_dword, + pci_hose_write_config_byte_via_dword, + pci_hose_write_config_word_via_dword, + gt_write_config_dword); + + pci1_hose.region_count = 2; + + pci1_hose.cfg_addr = (unsigned int*) PCI_HOST1; + + pci_register_hose(&pci1_hose); + + pciArbiterEnable(PCI_HOST1); + pciParkingDisable(PCI_HOST1,1,1,1,1,1,1,1); + + command = pciReadConfigReg(PCI_HOST1, PCI_COMMAND, SELF); + command |= PCI_COMMAND_MASTER; + pciWriteConfigReg(PCI_HOST1, PCI_COMMAND, SELF, command); + + pci1_hose.last_busno = pci_hose_scan(&pci1_hose); + + command = pciReadConfigReg(PCI_HOST1, PCI_COMMAND, SELF); + command |= PCI_COMMAND_MEMORY; + pciWriteConfigReg(PCI_HOST1, PCI_COMMAND, SELF, command); +} |