diff options
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/platforms/iseries/pci.c | 216 |
1 files changed, 108 insertions, 108 deletions
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index 8ef322601f2..705f52c7ce5 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -138,19 +138,19 @@ static void __init allocate_device_bars(struct pci_dev *dev) * PCI: Read Vendor Failed 0x18.58.10 Rc: 0x00xx * PCI: Connect Bus Unit Failed 0x18.58.10 Rc: 0x00xx */ -static void pci_Log_Error(char *Error_Text, int Bus, int SubBus, - int AgentId, int HvRc) +static void pci_log_error(char *error, int bus, int subbus, + int agent, int hv_res) { - if (HvRc == 0x0302) + if (hv_res == 0x0302) return; printk(KERN_ERR "PCI: %s Failed: 0x%02X.%02X.%02X Rc: 0x%04X", - Error_Text, Bus, SubBus, AgentId, HvRc); + error, bus, subbus, agent, hv_res); } /* * Look down the chain to find the matching Device Device */ -static struct device_node *find_Device_Node(int bus, int devfn) +static struct device_node *find_device_node(int bus, int devfn) { struct device_node *node; @@ -170,14 +170,14 @@ void __init iSeries_pci_final_fixup(void) { struct pci_dev *pdev = NULL; struct device_node *node; - int DeviceCount = 0; + int num_dev = 0; /* Fix up at the device node and pci_dev relationship */ mf_display_src(0xC9000100); printk("pcibios_final_fixup\n"); for_each_pci_dev(pdev) { - node = find_Device_Node(pdev->bus->number, pdev->devfn); + node = find_device_node(pdev->bus->number, pdev->devfn); printk("pci dev %p (%x.%x), node %p\n", pdev, pdev->bus->number, pdev->devfn, node); @@ -194,7 +194,7 @@ void __init iSeries_pci_final_fixup(void) err = HvCallXm_connectBusUnit(pdn->busno, pdn->bussubno, *agent, irq); if (err) - pci_Log_Error("Connect Bus Unit", + pci_log_error("Connect Bus Unit", pdn->busno, pdn->bussubno, *agent, err); else { err = HvCallPci_configStore8(pdn->busno, pdn->bussubno, @@ -202,18 +202,18 @@ void __init iSeries_pci_final_fixup(void) PCI_INTERRUPT_LINE, irq); if (err) - pci_Log_Error("PciCfgStore Irq Failed!", + pci_log_error("PciCfgStore Irq Failed!", pdn->busno, pdn->bussubno, *agent, err); } if (!err) pdev->irq = irq; } - ++DeviceCount; + ++num_dev; pdev->sysdata = (void *)node; PCI_DN(node)->pcidev = pdev; allocate_device_bars(pdev); - iSeries_Device_Information(pdev, DeviceCount); + iSeries_Device_Information(pdev, num_dev); iommu_devnode_init_iSeries(pdev, node); } else printk("PCI: Device Tree not found for 0x%016lX\n", @@ -229,13 +229,13 @@ void __init iSeries_pci_final_fixup(void) * Sanity Check Node PciDev to passed pci_dev * If none is found, returns a NULL which the client must handle. */ -static struct device_node *get_Device_Node(struct pci_dev *pdev) +static struct device_node *get_device_node(struct pci_dev *pdev) { struct device_node *node; node = pdev->sysdata; if (node == NULL || PCI_DN(node)->pcidev != pdev) - node = find_Device_Node(pdev->bus->number, pdev->devfn); + node = find_device_node(pdev->bus->number, pdev->devfn); return node; } #endif @@ -262,7 +262,7 @@ static u64 hv_cfg_write_func[4] = { static int iSeries_pci_read_config(struct pci_bus *bus, unsigned int devfn, int offset, int size, u32 *val) { - struct device_node *node = find_Device_Node(bus->number, devfn); + struct device_node *node = find_device_node(bus->number, devfn); u64 fn; struct HvCallPci_LoadReturn ret; @@ -292,7 +292,7 @@ static int iSeries_pci_read_config(struct pci_bus *bus, unsigned int devfn, static int iSeries_pci_write_config(struct pci_bus *bus, unsigned int devfn, int offset, int size, u32 val) { - struct device_node *node = find_Device_Node(bus->number, devfn); + struct device_node *node = find_device_node(bus->number, devfn); u64 fn; u64 ret; @@ -324,15 +324,15 @@ static struct pci_ops iSeries_pci_ops = { * PCI: Device 23.90 ReadL Retry( 1) * PCI: Device 23.90 ReadL Retry Successful(1) */ -static int CheckReturnCode(char *TextHdr, struct device_node *DevNode, +static int check_return_code(char *type, struct device_node *dn, int *retry, u64 ret) { if (ret != 0) { - struct pci_dn *pdn = PCI_DN(DevNode); + struct pci_dn *pdn = PCI_DN(dn); (*retry)++; printk("PCI: %s: Device 0x%04X:%02X I/O Error(%2d): 0x%04X\n", - TextHdr, pdn->busno, pdn->devfn, + type, pdn->busno, pdn->devfn, *retry, (int)ret); /* * Bump the retry and check for retry count exceeded. @@ -356,28 +356,28 @@ static int CheckReturnCode(char *TextHdr, struct device_node *DevNode, * the exposure of being device global. */ static inline struct device_node *xlate_iomm_address( - const volatile void __iomem *IoAddress, - u64 *dsaptr, u64 *BarOffsetPtr) + const volatile void __iomem *addr, + u64 *dsaptr, u64 *bar_offset) { - unsigned long OrigIoAddr; - unsigned long BaseIoAddr; - unsigned long TableIndex; - struct device_node *DevNode; + unsigned long orig_addr; + unsigned long base_addr; + unsigned long ind; + struct device_node *dn; - OrigIoAddr = (unsigned long __force)IoAddress; - if ((OrigIoAddr < BASE_IO_MEMORY) || (OrigIoAddr >= max_io_memory)) + orig_addr = (unsigned long __force)addr; + if ((orig_addr < BASE_IO_MEMORY) || (orig_addr >= max_io_memory)) return NULL; - BaseIoAddr = OrigIoAddr - BASE_IO_MEMORY; - TableIndex = BaseIoAddr / IOMM_TABLE_ENTRY_SIZE; - DevNode = iomm_table[TableIndex]; - - if (DevNode != NULL) { - int barnum = iobar_table[TableIndex]; - *dsaptr = iseries_ds_addr(DevNode) | (barnum << 24); - *BarOffsetPtr = BaseIoAddr % IOMM_TABLE_ENTRY_SIZE; + base_addr = orig_addr - BASE_IO_MEMORY; + ind = base_addr / IOMM_TABLE_ENTRY_SIZE; + dn = iomm_table[ind]; + + if (dn != NULL) { + int barnum = iobar_table[ind]; + *dsaptr = iseries_ds_addr(dn) | (barnum << 24); + *bar_offset = base_addr % IOMM_TABLE_ENTRY_SIZE; } else - panic("PCI: Invalid PCI IoAddress detected!\n"); - return DevNode; + panic("PCI: Invalid PCI IO address detected!\n"); + return dn; } /* @@ -385,16 +385,16 @@ static inline struct device_node *xlate_iomm_address( * On MM I/O error, all ones are returned and iSeries_pci_IoError is cal * else, data is returned in Big Endian format. */ -static u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress) +static u8 iSeries_read_byte(const volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; struct HvCallPci_LoadReturn ret; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset); - if (DevNode == NULL) { + if (dn == NULL) { static unsigned long last_jiffies; static int num_printed; @@ -403,27 +403,27 @@ static u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress) num_printed = 0; } if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Read_Byte: invalid access at IO address %p\n", - IoAddress); + printk(KERN_ERR "iSeries_read_byte: invalid access at IO address %p\n", + addr); return 0xff; } do { - HvCall3Ret16(HvCallPciBarLoad8, &ret, dsa, BarOffset, 0); - } while (CheckReturnCode("RDB", DevNode, &retry, ret.rc) != 0); + HvCall3Ret16(HvCallPciBarLoad8, &ret, dsa, bar_offset, 0); + } while (check_return_code("RDB", dn, &retry, ret.rc) != 0); return ret.value; } -static u16 iSeries_Read_Word(const volatile void __iomem *IoAddress) +static u16 iSeries_read_word(const volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; struct HvCallPci_LoadReturn ret; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset); - if (DevNode == NULL) { + if (dn == NULL) { static unsigned long last_jiffies; static int num_printed; @@ -432,28 +432,28 @@ static u16 iSeries_Read_Word(const volatile void __iomem *IoAddress) num_printed = 0; } if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Read_Word: invalid access at IO address %p\n", - IoAddress); + printk(KERN_ERR "iSeries_read_word: invalid access at IO address %p\n", + addr); return 0xffff; } do { HvCall3Ret16(HvCallPciBarLoad16, &ret, dsa, - BarOffset, 0); - } while (CheckReturnCode("RDW", DevNode, &retry, ret.rc) != 0); + bar_offset, 0); + } while (check_return_code("RDW", dn, &retry, ret.rc) != 0); return ret.value; } -static u32 iSeries_Read_Long(const volatile void __iomem *IoAddress) +static u32 iSeries_read_long(const volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; struct HvCallPci_LoadReturn ret; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset); - if (DevNode == NULL) { + if (dn == NULL) { static unsigned long last_jiffies; static int num_printed; @@ -462,14 +462,14 @@ static u32 iSeries_Read_Long(const volatile void __iomem *IoAddress) num_printed = 0; } if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Read_Long: invalid access at IO address %p\n", - IoAddress); + printk(KERN_ERR "iSeries_read_long: invalid access at IO address %p\n", + addr); return 0xffffffff; } do { HvCall3Ret16(HvCallPciBarLoad32, &ret, dsa, - BarOffset, 0); - } while (CheckReturnCode("RDL", DevNode, &retry, ret.rc) != 0); + bar_offset, 0); + } while (check_return_code("RDL", dn, &retry, ret.rc) != 0); return ret.value; } @@ -478,16 +478,16 @@ static u32 iSeries_Read_Long(const volatile void __iomem *IoAddress) * Write MM I/O Instructions for the iSeries * */ -static void iSeries_Write_Byte(u8 data, volatile void __iomem *IoAddress) +static void iSeries_write_byte(u8 data, volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; u64 rc; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset); - if (DevNode == NULL) { + if (dn == NULL) { static unsigned long last_jiffies; static int num_printed; @@ -496,24 +496,24 @@ static void iSeries_Write_Byte(u8 data, volatile void __iomem *IoAddress) num_printed = 0; } if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Write_Byte: invalid access at IO address %p\n", IoAddress); + printk(KERN_ERR "iSeries_write_byte: invalid access at IO address %p\n", addr); return; } do { - rc = HvCall4(HvCallPciBarStore8, dsa, BarOffset, data, 0); - } while (CheckReturnCode("WWB", DevNode, &retry, rc) != 0); + rc = HvCall4(HvCallPciBarStore8, dsa, bar_offset, data, 0); + } while (check_return_code("WWB", dn, &retry, rc) != 0); } -static void iSeries_Write_Word(u16 data, volatile void __iomem *IoAddress) +static void iSeries_write_word(u16 data, volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; u64 rc; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset); - if (DevNode == NULL) { + if (dn == NULL) { static unsigned long last_jiffies; static int num_printed; @@ -522,25 +522,25 @@ static void iSeries_Write_Word(u16 data, volatile void __iomem *IoAddress) num_printed = 0; } if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Write_Word: invalid access at IO address %p\n", - IoAddress); + printk(KERN_ERR "iSeries_write_word: invalid access at IO address %p\n", + addr); return; } do { - rc = HvCall4(HvCallPciBarStore16, dsa, BarOffset, data, 0); - } while (CheckReturnCode("WWW", DevNode, &retry, rc) != 0); + rc = HvCall4(HvCallPciBarStore16, dsa, bar_offset, data, 0); + } while (check_return_code("WWW", dn, &retry, rc) != 0); } -static void iSeries_Write_Long(u32 data, volatile void __iomem *IoAddress) +static void iSeries_write_long(u32 data, volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; u64 rc; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset); - if (DevNode == NULL) { + if (dn == NULL) { static unsigned long last_jiffies; static int num_printed; @@ -549,63 +549,63 @@ static void iSeries_Write_Long(u32 data, volatile void __iomem *IoAddress) num_printed = 0; } if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Write_Long: invalid access at IO address %p\n", - IoAddress); + printk(KERN_ERR "iSeries_write_long: invalid access at IO address %p\n", + addr); return; } do { - rc = HvCall4(HvCallPciBarStore32, dsa, BarOffset, data, 0); - } while (CheckReturnCode("WWL", DevNode, &retry, rc) != 0); + rc = HvCall4(HvCallPciBarStore32, dsa, bar_offset, data, 0); + } while (check_return_code("WWL", dn, &retry, rc) != 0); } static u8 iseries_readb(const volatile void __iomem *addr) { - return iSeries_Read_Byte(addr); + return iSeries_read_byte(addr); } static u16 iseries_readw(const volatile void __iomem *addr) { - return le16_to_cpu(iSeries_Read_Word(addr)); + return le16_to_cpu(iSeries_read_word(addr)); } static u32 iseries_readl(const volatile void __iomem *addr) { - return le32_to_cpu(iSeries_Read_Long(addr)); + return le32_to_cpu(iSeries_read_long(addr)); } static u16 iseries_readw_be(const volatile void __iomem *addr) { - return iSeries_Read_Word(addr); + return iSeries_read_word(addr); } static u32 iseries_readl_be(const volatile void __iomem *addr) { - return iSeries_Read_Long(addr); + return iSeries_read_long(addr); } static void iseries_writeb(u8 data, volatile void __iomem *addr) { - iSeries_Write_Byte(data, addr); + iSeries_write_byte(data, addr); } static void iseries_writew(u16 data, volatile void __iomem *addr) { - iSeries_Write_Word(cpu_to_le16(data), addr); + iSeries_write_word(cpu_to_le16(data), addr); } static void iseries_writel(u32 data, volatile void __iomem *addr) { - iSeries_Write_Long(cpu_to_le32(data), addr); + iSeries_write_long(cpu_to_le32(data), addr); } static void iseries_writew_be(u16 data, volatile void __iomem *addr) { - iSeries_Write_Word(data, addr); + iSeries_write_word(data, addr); } static void iseries_writel_be(u32 data, volatile void __iomem *addr) { - iSeries_Write_Long(data, addr); + iSeries_write_long(data, addr); } static void iseries_readsb(const volatile void __iomem *addr, void *buf, @@ -613,7 +613,7 @@ static void iseries_readsb(const volatile void __iomem *addr, void *buf, { u8 *dst = buf; while(count-- > 0) - *(dst++) = iSeries_Read_Byte(addr); + *(dst++) = iSeries_read_byte(addr); } static void iseries_readsw(const volatile void __iomem *addr, void *buf, @@ -621,7 +621,7 @@ static void iseries_readsw(const volatile void __iomem *addr, void *buf, { u16 *dst = buf; while(count-- > 0) - *(dst++) = iSeries_Read_Word(addr); + *(dst++) = iSeries_read_word(addr); } static void iseries_readsl(const volatile void __iomem *addr, void *buf, @@ -629,7 +629,7 @@ static void iseries_readsl(const volatile void __iomem *addr, void *buf, { u32 *dst = buf; while(count-- > 0) - *(dst++) = iSeries_Read_Long(addr); + *(dst++) = iSeries_read_long(addr); } static void iseries_writesb(volatile void __iomem *addr, const void *buf, @@ -637,7 +637,7 @@ static void iseries_writesb(volatile void __iomem *addr, const void *buf, { const u8 *src = buf; while(count-- > 0) - iSeries_Write_Byte(*(src++), addr); + iSeries_write_byte(*(src++), addr); } static void iseries_writesw(volatile void __iomem *addr, const void *buf, @@ -645,7 +645,7 @@ static void iseries_writesw(volatile void __iomem *addr, const void *buf, { const u16 *src = buf; while(count-- > 0) - iSeries_Write_Word(*(src++), addr); + iSeries_write_word(*(src++), addr); } static void iseries_writesl(volatile void __iomem *addr, const void *buf, @@ -653,7 +653,7 @@ static void iseries_writesl(volatile void __iomem *addr, const void *buf, { const u32 *src = buf; while(count-- > 0) - iSeries_Write_Long(*(src++), addr); + iSeries_write_long(*(src++), addr); } static void iseries_memset_io(volatile void __iomem *addr, int c, @@ -662,7 +662,7 @@ static void iseries_memset_io(volatile void __iomem *addr, int c, volatile char __iomem *d = addr; while (n-- > 0) - iSeries_Write_Byte(c, d++); + iSeries_write_byte(c, d++); } static void iseries_memcpy_fromio(void *dest, const volatile void __iomem *src, @@ -672,7 +672,7 @@ static void iseries_memcpy_fromio(void *dest, const volatile void __iomem *src, const volatile char __iomem *s = src; while (n-- > 0) - *d++ = iSeries_Read_Byte(s++); + *d++ = iSeries_read_byte(s++); } static void iseries_memcpy_toio(volatile void __iomem *dest, const void *src, @@ -682,7 +682,7 @@ static void iseries_memcpy_toio(volatile void __iomem *dest, const void *src, volatile char __iomem *d = dest; while (n-- > 0) - iSeries_Write_Byte(*s++, d++); + iSeries_write_byte(*s++, d++); } /* We only set MMIO ops. The default PIO ops will be default |