From: Wang Dongsheng <dongsheng.wang@xxxxxxxxxxxxx> The new suspend/resume implementation, send pme turnoff message in suspend, and send pme exit message in resume. Add a PME handler, to response PME & message interrupt. Change platform_driver->suspend/resume to syscore->suspend/resume. pci-driver will call back EP device, to save EP state in pci_pm_suspend_noirq, so we need to keep the link, until pci_pm_suspend_noirq finish. Signed-off-by: Wang Dongsheng <dongsheng.wang@xxxxxxxxxxxxx> diff --git a/arch/powerpc/platforms/85xx/c293pcie.c b/arch/powerpc/platforms/85xx/c293pcie.c index 213d5b8..84476b6 100644 --- a/arch/powerpc/platforms/85xx/c293pcie.c +++ b/arch/powerpc/platforms/85xx/c293pcie.c @@ -68,6 +68,7 @@ define_machine(c293_pcie) { .init_IRQ = c293_pcie_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c index fbd871e..aa8b9a3 100644 --- a/arch/powerpc/platforms/85xx/corenet_generic.c +++ b/arch/powerpc/platforms/85xx/corenet_generic.c @@ -163,6 +163,7 @@ define_machine(corenet_generic) { .init_IRQ = corenet_gen_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_coreint_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/85xx/ge_imp3a.c b/arch/powerpc/platforms/85xx/ge_imp3a.c index e6285ae..11790e0 100644 --- a/arch/powerpc/platforms/85xx/ge_imp3a.c +++ b/arch/powerpc/platforms/85xx/ge_imp3a.c @@ -215,6 +215,7 @@ define_machine(ge_imp3a) { .show_cpuinfo = ge_imp3a_show_cpuinfo, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c index 15ce4b5..a378ba3 100644 --- a/arch/powerpc/platforms/85xx/mpc8536_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c @@ -76,6 +76,7 @@ define_machine(mpc8536_ds) { .init_IRQ = mpc8536_ds_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 7a31a0e..b0753e2 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -385,6 +385,7 @@ define_machine(mpc85xx_cds) { #ifdef CONFIG_PCI .restart = mpc85xx_cds_restart, .pcibios_fixup_bus = mpc85xx_cds_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #else .restart = fsl_rstcr_restart, #endif diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index 9ebb91e..ffdf021 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -209,6 +209,7 @@ define_machine(mpc8544_ds) { .init_IRQ = mpc85xx_ds_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -223,6 +224,7 @@ define_machine(mpc8572_ds) { .init_IRQ = mpc85xx_ds_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -237,6 +239,7 @@ define_machine(p2020_ds) { .init_IRQ = mpc85xx_ds_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index a7b3621..6cd3b8a 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -416,6 +416,7 @@ define_machine(mpc8568_mds) { .progress = udbg_progress, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif }; @@ -437,6 +438,7 @@ define_machine(mpc8569_mds) { .progress = udbg_progress, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif }; @@ -459,6 +461,7 @@ define_machine(p1021_mds) { .progress = udbg_progress, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif }; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c index 53b6fb0..3e2bc3d 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c @@ -254,6 +254,7 @@ define_machine(p2020_rdb) { .init_IRQ = mpc85xx_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -268,6 +269,7 @@ define_machine(p1020_rdb) { .init_IRQ = mpc85xx_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -282,6 +284,7 @@ define_machine(p1021_rdb_pc) { .init_IRQ = mpc85xx_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -296,6 +299,7 @@ define_machine(p2020_rdb_pc) { .init_IRQ = mpc85xx_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -310,6 +314,7 @@ define_machine(p1025_rdb) { .init_IRQ = mpc85xx_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -324,6 +329,7 @@ define_machine(p1020_mbg_pc) { .init_IRQ = mpc85xx_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -338,6 +344,7 @@ define_machine(p1020_utm_pc) { .init_IRQ = mpc85xx_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -352,6 +359,7 @@ define_machine(p1020_rdb_pc) { .init_IRQ = mpc85xx_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -366,6 +374,7 @@ define_machine(p1020_rdb_pd) { .init_IRQ = mpc85xx_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -380,6 +389,7 @@ define_machine(p1024_rdb) { .init_IRQ = mpc85xx_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/85xx/p1010rdb.c b/arch/powerpc/platforms/85xx/p1010rdb.c index d6a3dd3..ad1a3d4 100644 --- a/arch/powerpc/platforms/85xx/p1010rdb.c +++ b/arch/powerpc/platforms/85xx/p1010rdb.c @@ -78,6 +78,7 @@ define_machine(p1010_rdb) { .init_IRQ = p1010_rdb_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c index e611e79..6ac986d 100644 --- a/arch/powerpc/platforms/85xx/p1022_ds.c +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -567,6 +567,7 @@ define_machine(p1022_ds) { .init_IRQ = p1022_ds_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/85xx/p1022_rdk.c b/arch/powerpc/platforms/85xx/p1022_rdk.c index 8c92971..7a180f0 100644 --- a/arch/powerpc/platforms/85xx/p1022_rdk.c +++ b/arch/powerpc/platforms/85xx/p1022_rdk.c @@ -147,6 +147,7 @@ define_machine(p1022_rdk) { .init_IRQ = p1022_rdk_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/85xx/p1023_rds.c b/arch/powerpc/platforms/85xx/p1023_rds.c index 2ae9d49..0e61400 100644 --- a/arch/powerpc/platforms/85xx/p1023_rds.c +++ b/arch/powerpc/platforms/85xx/p1023_rds.c @@ -126,6 +126,7 @@ define_machine(p1023_rds) { .progress = udbg_progress, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif }; @@ -140,5 +141,6 @@ define_machine(p1023_rdb) { .progress = udbg_progress, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif }; diff --git a/arch/powerpc/platforms/85xx/qemu_e500.c b/arch/powerpc/platforms/85xx/qemu_e500.c index 5cefc5a..7f26732 100644 --- a/arch/powerpc/platforms/85xx/qemu_e500.c +++ b/arch/powerpc/platforms/85xx/qemu_e500.c @@ -66,6 +66,7 @@ define_machine(qemu_e500) { .init_IRQ = qemu_e500_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_coreint_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/platforms/85xx/sbc8548.c b/arch/powerpc/platforms/85xx/sbc8548.c index f621218..b072146 100644 --- a/arch/powerpc/platforms/85xx/sbc8548.c +++ b/arch/powerpc/platforms/85xx/sbc8548.c @@ -135,6 +135,7 @@ define_machine(sbc8548) { .restart = fsl_rstcr_restart, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, diff --git a/arch/powerpc/platforms/85xx/xes_mpc85xx.c b/arch/powerpc/platforms/85xx/xes_mpc85xx.c index dcbf7e4..1a9c108 100644 --- a/arch/powerpc/platforms/85xx/xes_mpc85xx.c +++ b/arch/powerpc/platforms/85xx/xes_mpc85xx.c @@ -170,6 +170,7 @@ define_machine(xes_mpc8572) { .init_IRQ = xes_mpc85xx_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -184,6 +185,7 @@ define_machine(xes_mpc8548) { .init_IRQ = xes_mpc85xx_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, @@ -198,6 +200,7 @@ define_machine(xes_mpc8540) { .init_IRQ = xes_mpc85xx_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, + .pcibios_fixup_phb = fsl_pcibios_fixup_phb, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 4dfd61d..98cb3d4 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -22,10 +22,13 @@ #include <linux/delay.h> #include <linux/string.h> #include <linux/init.h> +#include <linux/interrupt.h> #include <linux/bootmem.h> #include <linux/memblock.h> #include <linux/log2.h> #include <linux/slab.h> +#include <linux/suspend.h> +#include <linux/syscore_ops.h> #include <linux/uaccess.h> #include <asm/io.h> @@ -1085,55 +1088,167 @@ void fsl_pci_assign_primary(void) } } -static int fsl_pci_probe(struct platform_device *pdev) +#ifdef CONFIG_PM +static irqreturn_t fsl_pci_pme_handle(int irq, void *dev_id) { - int ret; - struct device_node *node; + struct pci_controller *hose = dev_id; + struct ccsr_pci __iomem *pci = hose->private_data; + u32 dr; - node = pdev->dev.of_node; - ret = fsl_add_bridge(pdev, fsl_pci_primary == node); + dr = in_be32(&pci->pex_pme_mes_dr); + if (dr) + out_be32(&pci->pex_pme_mes_dr, dr); + else + return IRQ_NONE; - mpc85xx_pci_err_probe(pdev); + return IRQ_HANDLED; +} + +static int fsl_pci_pme_probe(struct pci_controller *hose) +{ + struct ccsr_pci __iomem *pci; + struct pci_dev *dev = hose->bus->self; + u16 pms; + int pme_irq; + int res; + + /* PME Disable */ + pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pms); + pms &= ~PCI_PM_CTRL_PME_ENABLE; + pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, pms); + + pme_irq = irq_of_parse_and_map(hose->dn, 0); + if (!pme_irq) { + pr_warn("Failed to map PME interrupt.\n"); + + return -ENXIO; + } + + res = devm_request_irq(hose->parent, pme_irq, + fsl_pci_pme_handle, + IRQF_DISABLED | IRQF_SHARED, + "[PCI] PME", hose); + if (res < 0) { + pr_warn("Unable to requiest irq %d for PME\n", pme_irq); + irq_dispose_mapping(pme_irq); + + return -ENODEV; + } + + pci = hose->private_data; + + /* Enable PTOD, ENL23D & EXL23D */ + out_be32(&pci->pex_pme_mes_disr, 0); + setbits32(&pci->pex_pme_mes_disr, + PME_DISR_EN_PTOD | PME_DISR_EN_ENL23D | PME_DISR_EN_EXL23D); + + out_be32(&pci->pex_pme_mes_ier, 0); + setbits32(&pci->pex_pme_mes_ier, + PME_DISR_EN_PTOD | PME_DISR_EN_ENL23D | PME_DISR_EN_EXL23D); + + /* PME Enable */ + pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pms); + pms |= PCI_PM_CTRL_PME_ENABLE; + pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, pms); return 0; } -#ifdef CONFIG_PM -static int fsl_pci_resume(struct device *dev) +static void send_pme_turnoff_message(struct pci_controller *hose) { - struct pci_controller *hose; - struct resource pci_rsrc; + struct ccsr_pci __iomem *pci = hose->private_data; + u32 dr; + int i; - hose = pci_find_hose_for_OF_device(dev->of_node); - if (!hose) - return -ENODEV; + /* Send PME_Turn_Off Message Request */ + setbits32(&pci->pex_pmcr, PEX_PMCR_PTOMR); - if (of_address_to_resource(dev->of_node, 0, &pci_rsrc)) { - dev_err(dev, "Get pci register base failed."); - return -ENODEV; + for (i = 0; i < 150; i++) { + dr = in_be32(&pci->pex_pme_mes_dr); + if (dr) { + out_be32(&pci->pex_pme_mes_dr, dr); + break; + } else { + udelay(1000); + } } +} - setup_pci_atmu(hose); +static void fsl_pci_syscore_do_suspend(struct pci_controller *hose) +{ + send_pme_turnoff_message(hose); +} + +static int fsl_pci_syscore_suspend(void) +{ + struct pci_controller *hose, *tmp; + + list_for_each_entry_safe(hose, tmp, &hose_list, list_node) + fsl_pci_syscore_do_suspend(hose); return 0; } -static const struct dev_pm_ops pci_pm_ops = { - .resume = fsl_pci_resume, -}; +static void fsl_pci_syscore_do_resume(struct pci_controller *hose) +{ + struct ccsr_pci __iomem *pci = hose->private_data; + u32 dr; + int i; -#define PCI_PM_OPS (&pci_pm_ops) + /* Send Exit L2 State Message */ + setbits32(&pci->pex_pmcr, PEX_PMCR_EXL2S); -#else + /* wait exit done */ + for (i = 0; i < 150; i++) { + dr = in_be32(&pci->pex_pme_mes_dr); + if (dr) { + out_be32(&pci->pex_pme_mes_dr, dr); + break; + } else { + udelay(1000); + } + } + + setup_pci_atmu(hose); +} -#define PCI_PM_OPS NULL +static void fsl_pci_syscore_resume(void) +{ + struct pci_controller *hose, *tmp; + + list_for_each_entry_safe(hose, tmp, &hose_list, list_node) + fsl_pci_syscore_do_resume(hose); +} +static struct syscore_ops pci_syscore_pm_ops = { + .suspend = fsl_pci_syscore_suspend, + .resume = fsl_pci_syscore_resume, +}; #endif +void fsl_pcibios_fixup_phb(struct pci_controller *phb) +{ +#ifdef CONFIG_PM + fsl_pci_pme_probe(phb); +#endif +} + +static int fsl_pci_probe(struct platform_device *pdev) +{ + int ret; + struct device_node *node; + + node = pdev->dev.of_node; + ret = fsl_add_bridge(pdev, fsl_pci_primary == node); + + mpc85xx_pci_err_probe(pdev); + + return 0; +} + static struct platform_driver fsl_pci_driver = { .driver = { .name = "fsl-pci", - .pm = PCI_PM_OPS, .of_match_table = pci_ids, }, .probe = fsl_pci_probe, @@ -1141,6 +1256,9 @@ static struct platform_driver fsl_pci_driver = { static int __init fsl_pci_init(void) { +#ifdef CONFIG_PM + register_syscore_ops(&pci_syscore_pm_ops); +#endif return platform_driver_register(&fsl_pci_driver); } arch_initcall(fsl_pci_init); diff --git a/arch/powerpc/sysdev/fsl_pci.h b/arch/powerpc/sysdev/fsl_pci.h index 8d455df..c1cec77 100644 --- a/arch/powerpc/sysdev/fsl_pci.h +++ b/arch/powerpc/sysdev/fsl_pci.h @@ -32,6 +32,13 @@ struct platform_device; #define PIWAR_WRITE_SNOOP 0x00005000 #define PIWAR_SZ_MASK 0x0000003f +#define PEX_PMCR_PTOMR 0x1 +#define PEX_PMCR_EXL2S 0x2 + +#define PME_DISR_EN_PTOD 0x00008000 +#define PME_DISR_EN_ENL23D 0x00002000 +#define PME_DISR_EN_EXL23D 0x00001000 + /* PCI/PCI Express outbound window reg */ struct pci_outbound_window_regs { __be32 potar; /* 0x.0 - Outbound translation address register */ @@ -111,6 +118,7 @@ struct ccsr_pci { extern int fsl_add_bridge(struct platform_device *pdev, int is_primary); extern void fsl_pcibios_fixup_bus(struct pci_bus *bus); +extern void fsl_pcibios_fixup_phb(struct pci_controller *phb); extern int mpc83xx_add_bridge(struct device_node *dev); u64 fsl_pci_immrbar_base(struct pci_controller *hose); 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