diff options
Diffstat (limited to 'arch/powerpc/platforms/iseries/pci.c')
| -rw-r--r-- | arch/powerpc/platforms/iseries/pci.c | 845 |
1 files changed, 0 insertions, 845 deletions
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c deleted file mode 100644 index 3eb12065df2..00000000000 --- a/arch/powerpc/platforms/iseries/pci.c +++ /dev/null @@ -1,845 +0,0 @@ -/* - * Copyright (C) 2001 Allan Trautman, IBM Corporation - * - * iSeries specific routines for PCI. - * - * Based on code from pci.c and iSeries_pci.c 32bit - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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 - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/ide.h> -#include <linux/pci.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/prom.h> -#include <asm/machdep.h> -#include <asm/pci-bridge.h> -#include <asm/iommu.h> -#include <asm/abs_addr.h> -#include <asm/firmware.h> - -#include <asm/iseries/hv_call_xm.h> -#include <asm/iseries/mf.h> -#include <asm/iseries/iommu.h> - -#include <asm/ppc-pci.h> - -#include "irq.h" -#include "pci.h" -#include "call_pci.h" - -/* - * Forward declares of prototypes. - */ -static struct device_node *find_Device_Node(int bus, int devfn); - -static int Pci_Retry_Max = 3; /* Only retry 3 times */ -static int Pci_Error_Flag = 1; /* Set Retry Error on. */ - -static struct pci_ops iSeries_pci_ops; - -/* - * Table defines - * Each Entry size is 4 MB * 1024 Entries = 4GB I/O address space. - */ -#define IOMM_TABLE_MAX_ENTRIES 1024 -#define IOMM_TABLE_ENTRY_SIZE 0x0000000000400000UL -#define BASE_IO_MEMORY 0xE000000000000000UL - -static unsigned long max_io_memory = BASE_IO_MEMORY; -static long current_iomm_table_entry; - -/* - * Lookup Tables. - */ -static struct device_node *iomm_table[IOMM_TABLE_MAX_ENTRIES]; -static u8 iobar_table[IOMM_TABLE_MAX_ENTRIES]; - -static const char pci_io_text[] = "iSeries PCI I/O"; -static DEFINE_SPINLOCK(iomm_table_lock); - -/* - * iomm_table_allocate_entry - * - * Adds pci_dev entry in address translation table - * - * - Allocates the number of entries required in table base on BAR - * size. - * - Allocates starting at BASE_IO_MEMORY and increases. - * - The size is round up to be a multiple of entry size. - * - CurrentIndex is incremented to keep track of the last entry. - * - Builds the resource entry for allocated BARs. - */ -static void iomm_table_allocate_entry(struct pci_dev *dev, int bar_num) -{ - struct resource *bar_res = &dev->resource[bar_num]; - long bar_size = pci_resource_len(dev, bar_num); - - /* - * No space to allocate, quick exit, skip Allocation. - */ - if (bar_size == 0) - return; - /* - * Set Resource values. - */ - spin_lock(&iomm_table_lock); - bar_res->name = pci_io_text; - bar_res->start = BASE_IO_MEMORY + - IOMM_TABLE_ENTRY_SIZE * current_iomm_table_entry; - bar_res->end = bar_res->start + bar_size - 1; - /* - * Allocate the number of table entries needed for BAR. - */ - while (bar_size > 0 ) { - iomm_table[current_iomm_table_entry] = dev->sysdata; - iobar_table[current_iomm_table_entry] = bar_num; - bar_size -= IOMM_TABLE_ENTRY_SIZE; - ++current_iomm_table_entry; - } - max_io_memory = BASE_IO_MEMORY + - IOMM_TABLE_ENTRY_SIZE * current_iomm_table_entry; - spin_unlock(&iomm_table_lock); -} - -/* - * allocate_device_bars - * - * - Allocates ALL pci_dev BAR's and updates the resources with the - * BAR value. BARS with zero length will have the resources - * The HvCallPci_getBarParms is used to get the size of the BAR - * space. It calls iomm_table_allocate_entry to allocate - * each entry. - * - Loops through The Bar resources(0 - 5) including the ROM - * is resource(6). - */ -static void allocate_device_bars(struct pci_dev *dev) -{ - int bar_num; - - for (bar_num = 0; bar_num <= PCI_ROM_RESOURCE; ++bar_num) - iomm_table_allocate_entry(dev, bar_num); -} - -/* - * Log error information to system console. - * Filter out the device not there errors. - * PCI: EADs Connect Failed 0x18.58.10 Rc: 0x00xx - * 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) -{ - if (HvRc == 0x0302) - return; - printk(KERN_ERR "PCI: %s Failed: 0x%02X.%02X.%02X Rc: 0x%04X", - Error_Text, Bus, SubBus, AgentId, HvRc); -} - -/* - * iSeries_pcibios_init - * - * Description: - * This function checks for all possible system PCI host bridges that connect - * PCI buses. The system hypervisor is queried as to the guest partition - * ownership status. A pci_controller is built for any bus which is partially - * owned or fully owned by this guest partition. - */ -void iSeries_pcibios_init(void) -{ - struct pci_controller *phb; - struct device_node *root = of_find_node_by_path("/"); - struct device_node *node = NULL; - - if (root == NULL) { - printk(KERN_CRIT "iSeries_pcibios_init: can't find root " - "of device tree\n"); - return; - } - while ((node = of_get_next_child(root, node)) != NULL) { - HvBusNumber bus; - const u32 *busp; - - if ((node->type == NULL) || (strcmp(node->type, "pci") != 0)) - continue; - - busp = get_property(node, "bus-range", NULL); - if (busp == NULL) - continue; - bus = *busp; - printk("bus %d appears to exist\n", bus); - phb = pcibios_alloc_controller(node); - if (phb == NULL) - continue; - - phb->pci_mem_offset = phb->local_number = bus; - phb->first_busno = bus; - phb->last_busno = bus; - phb->ops = &iSeries_pci_ops; - } - - of_node_put(root); - - pci_devs_phb_init(); -} - -/* - * iSeries_pci_final_fixup(void) - */ -void __init iSeries_pci_final_fixup(void) -{ - struct pci_dev *pdev = NULL; - struct device_node *node; - int DeviceCount = 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); - printk("pci dev %p (%x.%x), node %p\n", pdev, - pdev->bus->number, pdev->devfn, node); - - if (node != NULL) { - struct pci_dn *pdn = PCI_DN(node); - const u32 *agent; - - agent = get_property(node, "linux,agent-id", NULL); - if ((pdn != NULL) && (agent != NULL)) { - u8 irq = iSeries_allocate_IRQ(pdn->busno, 0, - pdn->bussubno); - int err; - - err = HvCallXm_connectBusUnit(pdn->busno, pdn->bussubno, - *agent, irq); - if (err) - pci_Log_Error("Connect Bus Unit", - pdn->busno, pdn->bussubno, *agent, err); - else { - err = HvCallPci_configStore8(pdn->busno, pdn->bussubno, - *agent, - PCI_INTERRUPT_LINE, - irq); - if (err) - pci_Log_Error("PciCfgStore Irq Failed!", - pdn->busno, pdn->bussubno, *agent, err); - } - if (!err) - pdev->irq = irq; - } - - ++DeviceCount; - pdev->sysdata = (void *)node; - PCI_DN(node)->pcidev = pdev; - allocate_device_bars(pdev); - iSeries_Device_Information(pdev, DeviceCount); - iommu_devnode_init_iSeries(node); - } else - printk("PCI: Device Tree not found for 0x%016lX\n", - (unsigned long)pdev); - } - iSeries_activate_IRQs(); - mf_display_src(0xC9000200); -} - -void pcibios_fixup_bus(struct pci_bus *PciBus) -{ -} - -void pcibios_fixup_resources(struct pci_dev *pdev) -{ -} - -/* - * Look down the chain to find the matching Device Device - */ -static struct device_node *find_Device_Node(int bus, int devfn) -{ - struct device_node *node; - - for (node = NULL; (node = of_find_all_nodes(node)); ) { - struct pci_dn *pdn = PCI_DN(node); - - if (pdn && (bus == pdn->busno) && (devfn == pdn->devfn)) - return node; - } - return NULL; -} - -#if 0 -/* - * Returns the device node for the passed pci_dev - * 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) -{ - struct device_node *node; - - node = pdev->sysdata; - if (node == NULL || PCI_DN(node)->pcidev != pdev) - node = find_Device_Node(pdev->bus->number, pdev->devfn); - return node; -} -#endif - -/* - * Config space read and write functions. - * For now at least, we look for the device node for the bus and devfn - * that we are asked to access. It may be possible to translate the devfn - * to a subbus and deviceid more directly. - */ -static u64 hv_cfg_read_func[4] = { - HvCallPciConfigLoad8, HvCallPciConfigLoad16, - HvCallPciConfigLoad32, HvCallPciConfigLoad32 -}; - -static u64 hv_cfg_write_func[4] = { - HvCallPciConfigStore8, HvCallPciConfigStore16, - HvCallPciConfigStore32, HvCallPciConfigStore32 -}; - -/* - * Read PCI config space - */ -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); - u64 fn; - struct HvCallPci_LoadReturn ret; - - if (node == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - if (offset > 255) { - *val = ~0; - return PCIBIOS_BAD_REGISTER_NUMBER; - } - - fn = hv_cfg_read_func[(size - 1) & 3]; - HvCall3Ret16(fn, &ret, iseries_ds_addr(node), offset, 0); - - if (ret.rc != 0) { - *val = ~0; - return PCIBIOS_DEVICE_NOT_FOUND; /* or something */ - } - - *val = ret.value; - return 0; -} - -/* - * Write PCI config space - */ - -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); - u64 fn; - u64 ret; - - if (node == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - if (offset > 255) - return PCIBIOS_BAD_REGISTER_NUMBER; - - fn = hv_cfg_write_func[(size - 1) & 3]; - ret = HvCall4(fn, iseries_ds_addr(node), offset, val, 0); - - if (ret != 0) - return PCIBIOS_DEVICE_NOT_FOUND; - - return 0; -} - -static struct pci_ops iSeries_pci_ops = { - .read = iSeries_pci_read_config, - .write = iSeries_pci_write_config -}; - -/* - * Check Return Code - * -> On Failure, print and log information. - * Increment Retry Count, if exceeds max, panic partition. - * - * PCI: Device 23.90 ReadL I/O Error( 0): 0x1234 - * PCI: Device 23.90 ReadL Retry( 1) - * PCI: Device 23.90 ReadL Retry Successful(1) - */ -static int CheckReturnCode(char *TextHdr, struct device_node *DevNode, - int *retry, u64 ret) -{ - if (ret != 0) { - struct pci_dn *pdn = PCI_DN(DevNode); - - (*retry)++; - printk("PCI: %s: Device 0x%04X:%02X I/O Error(%2d): 0x%04X\n", - TextHdr, pdn->busno, pdn->devfn, - *retry, (int)ret); - /* - * Bump the retry and check for retry count exceeded. - * If, Exceeded, panic the system. - */ - if (((*retry) > Pci_Retry_Max) && - (Pci_Error_Flag > 0)) { - mf_display_src(0xB6000103); - panic_timeout = 0; - panic("PCI: Hardware I/O Error, SRC B6000103, " - "Automatic Reboot Disabled.\n"); - } - return -1; /* Retry Try */ - } - return 0; -} - -/* - * Translate the I/O Address into a device node, bar, and bar offset. - * Note: Make sure the passed variable end up on the stack to avoid - * the exposure of being device global. - */ -static inline struct device_node *xlate_iomm_address( - const volatile void __iomem *IoAddress, - u64 *dsaptr, u64 *BarOffsetPtr) -{ - unsigned long OrigIoAddr; - unsigned long BaseIoAddr; - unsigned long TableIndex; - struct device_node *DevNode; - - OrigIoAddr = (unsigned long __force)IoAddress; - if ((OrigIoAddr < BASE_IO_MEMORY) || (OrigIoAddr >= 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; - } else - panic("PCI: Invalid PCI IoAddress detected!\n"); - return DevNode; -} - -/* - * Read MM I/O Instructions for the iSeries - * On MM I/O error, all ones are returned and iSeries_pci_IoError is cal - * else, data is returned in big Endian format. - * - * iSeries_Read_Byte = Read Byte ( 8 bit) - * iSeries_Read_Word = Read Word (16 bit) - * iSeries_Read_Long = Read Long (32 bit) - */ -static u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress) -{ - u64 BarOffset; - u64 dsa; - int retry = 0; - struct HvCallPci_LoadReturn ret; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); - - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; - - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Read_Byte: invalid access at IO address %p\n", IoAddress); - return 0xff; - } - do { - HvCall3Ret16(HvCallPciBarLoad8, &ret, dsa, BarOffset, 0); - } while (CheckReturnCode("RDB", DevNode, &retry, ret.rc) != 0); - - return (u8)ret.value; -} - -static u16 iSeries_Read_Word(const volatile void __iomem *IoAddress) -{ - u64 BarOffset; - u64 dsa; - int retry = 0; - struct HvCallPci_LoadReturn ret; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); - - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; - - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Read_Word: invalid access at IO address %p\n", IoAddress); - return 0xffff; - } - do { - HvCall3Ret16(HvCallPciBarLoad16, &ret, dsa, - BarOffset, 0); - } while (CheckReturnCode("RDW", DevNode, &retry, ret.rc) != 0); - - return swab16((u16)ret.value); -} - -static u32 iSeries_Read_Long(const volatile void __iomem *IoAddress) -{ - u64 BarOffset; - u64 dsa; - int retry = 0; - struct HvCallPci_LoadReturn ret; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); - - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; - - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Read_Long: invalid access at IO address %p\n", IoAddress); - return 0xffffffff; - } - do { - HvCall3Ret16(HvCallPciBarLoad32, &ret, dsa, - BarOffset, 0); - } while (CheckReturnCode("RDL", DevNode, &retry, ret.rc) != 0); - - return swab32((u32)ret.value); -} - -/* - * Write MM I/O Instructions for the iSeries - * - * iSeries_Write_Byte = Write Byte (8 bit) - * iSeries_Write_Word = Write Word(16 bit) - * iSeries_Write_Long = Write Long(32 bit) - */ -static void iSeries_Write_Byte(u8 data, volatile void __iomem *IoAddress) -{ - u64 BarOffset; - u64 dsa; - int retry = 0; - u64 rc; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); - - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; - - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Write_Byte: invalid access at IO address %p\n", IoAddress); - return; - } - do { - rc = HvCall4(HvCallPciBarStore8, dsa, BarOffset, data, 0); - } while (CheckReturnCode("WWB", DevNode, &retry, rc) != 0); -} - -static void iSeries_Write_Word(u16 data, volatile void __iomem *IoAddress) -{ - u64 BarOffset; - u64 dsa; - int retry = 0; - u64 rc; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); - - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; - - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Write_Word: invalid access at IO address %p\n", IoAddress); - return; - } - do { - rc = HvCall4(HvCallPciBarStore16, dsa, BarOffset, swab16(data), 0); - } while (CheckReturnCode("WWW", DevNode, &retry, rc) != 0); -} - -static void iSeries_Write_Long(u32 data, volatile void __iomem *IoAddress) -{ - u64 BarOffset; - u64 dsa; - int retry = 0; - u64 rc; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); - - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; - - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Write_Long: invalid access at IO address %p\n", IoAddress); - return; - } - do { - rc = HvCall4(HvCallPciBarStore32, dsa, BarOffset, swab32(data), 0); - } while (CheckReturnCode("WWL", DevNode, &retry, rc) != 0); -} - -extern unsigned char __raw_readb(const volatile void __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - return *(volatile unsigned char __force *)addr; -} -EXPORT_SYMBOL(__raw_readb); - -extern unsigned short __raw_readw(const volatile void __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - return *(volatile unsigned short __force *)addr; -} -EXPORT_SYMBOL(__raw_readw); - -extern unsigned int __raw_readl(const volatile void __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - return *(volatile unsigned int __force *)addr; -} -EXPORT_SYMBOL(__raw_readl); - -extern unsigned long __raw_readq(const volatile void __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - return *(volatile unsigned long __force *)addr; -} -EXPORT_SYMBOL(__raw_readq); - -extern void __raw_writeb(unsigned char v, volatile void __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - *(volatile unsigned char __force *)addr = v; -} -EXPORT_SYMBOL(__raw_writeb); - -extern void __raw_writew(unsigned short v, volatile void __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - *(volatile unsigned short __force *)addr = v; -} -EXPORT_SYMBOL(__raw_writew); - -extern void __raw_writel(unsigned int v, volatile void __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - *(volatile unsigned int __force *)addr = v; -} -EXPORT_SYMBOL(__raw_writel); - -extern void __raw_writeq(unsigned long v, volatile void __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - *(volatile unsigned long __force *)addr = v; -} -EXPORT_SYMBOL(__raw_writeq); - -int in_8(const volatile unsigned char __iomem *addr) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) - return iSeries_Read_Byte(addr); - return __in_8(addr); -} -EXPORT_SYMBOL(in_8); - -void out_8(volatile unsigned char __iomem *addr, int val) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) - iSeries_Write_Byte(val, addr); - else - __out_8(addr, val); -} -EXPORT_SYMBOL(out_8); - -int in_le16(const volatile unsigned short __iomem *addr) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) - return iSeries_Read_Word(addr); - return __in_le16(addr); -} -EXPORT_SYMBOL(in_le16); - -int in_be16(const volatile unsigned short __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - return __in_be16(addr); -} -EXPORT_SYMBOL(in_be16); - -void out_le16(volatile unsigned short __iomem *addr, int val) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) - iSeries_Write_Word(val, addr); - else - __out_le16(addr, val); -} -EXPORT_SYMBOL(out_le16); - -void out_be16(volatile unsigned short __iomem *addr, int val) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - __out_be16(addr, val); -} -EXPORT_SYMBOL(out_be16); - -unsigned in_le32(const volatile unsigned __iomem *addr) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) - return iSeries_Read_Long(addr); - return __in_le32(addr); -} -EXPORT_SYMBOL(in_le32); - -unsigned in_be32(const volatile unsigned __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - return __in_be32(addr); -} -EXPORT_SYMBOL(in_be32); - -void out_le32(volatile unsigned __iomem *addr, int val) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) - iSeries_Write_Long(val, addr); - else - __out_le32(addr, val); -} -EXPORT_SYMBOL(out_le32); - -void out_be32(volatile unsigned __iomem *addr, int val) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - __out_be32(addr, val); -} -EXPORT_SYMBOL(out_be32); - -unsigned long in_le64(const volatile unsigned long __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - return __in_le64(addr); -} -EXPORT_SYMBOL(in_le64); - -unsigned long in_be64(const volatile unsigned long __iomem *addr) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - return __in_be64(addr); -} -EXPORT_SYMBOL(in_be64); - -void out_le64(volatile unsigned long __iomem *addr, unsigned long val) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - __out_le64(addr, val); -} -EXPORT_SYMBOL(out_le64); - -void out_be64(volatile unsigned long __iomem *addr, unsigned long val) -{ - BUG_ON(firmware_has_feature(FW_FEATURE_ISERIES)); - - __out_be64(addr, val); -} -EXPORT_SYMBOL(out_be64); - -void memset_io(volatile void __iomem *addr, int c, unsigned long n) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) { - volatile char __iomem *d = addr; - - while (n-- > 0) { - iSeries_Write_Byte(c, d++); - } - } else - eeh_memset_io(addr, c, n); -} -EXPORT_SYMBOL(memset_io); - -void memcpy_fromio(void *dest, const volatile void __iomem *src, - unsigned long n) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) { - char *d = dest; - const volatile char __iomem *s = src; - - while (n-- > 0) { - *d++ = iSeries_Read_Byte(s++); - } - } else - eeh_memcpy_fromio(dest, src, n); -} -EXPORT_SYMBOL(memcpy_fromio); - -void memcpy_toio(volatile void __iomem *dest, const void *src, unsigned long n) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) { - const char *s = src; - volatile char __iomem *d = dest; - - while (n-- > 0) { - iSeries_Write_Byte(*s++, d++); - } - } else - eeh_memcpy_toio(dest, src, n); -} -EXPORT_SYMBOL(memcpy_toio); |