diff options
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r-- | arch/powerpc/sysdev/Makefile | 7 | ||||
-rw-r--r-- | arch/powerpc/sysdev/commproc.c | 20 | ||||
-rw-r--r-- | arch/powerpc/sysdev/cpm2_common.c | 21 | ||||
-rw-r--r-- | arch/powerpc/sysdev/dart_iommu.c | 46 | ||||
-rw-r--r-- | arch/powerpc/sysdev/fsl_soc.c | 2 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpic.c | 174 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpic.h | 38 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpic_msi.c | 183 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mpic_u3msi.c | 186 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mv64x60.h | 11 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mv64x60_dev.c | 422 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mv64x60_pci.c | 172 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mv64x60_pic.c | 305 | ||||
-rw-r--r-- | arch/powerpc/sysdev/qe_lib/qe.c | 29 | ||||
-rw-r--r-- | arch/powerpc/sysdev/qe_lib/ucc_fast.c | 5 | ||||
-rw-r--r-- | arch/powerpc/sysdev/qe_lib/ucc_slow.c | 7 | ||||
-rw-r--r-- | arch/powerpc/sysdev/rom.c | 32 | ||||
-rw-r--r-- | arch/powerpc/sysdev/tsi108_dev.c | 7 | ||||
-rw-r--r-- | arch/powerpc/sysdev/tsi108_pci.c | 12 | ||||
-rw-r--r-- | arch/powerpc/sysdev/uic.c | 2 |
20 files changed, 1587 insertions, 94 deletions
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index e96ca9618dbb..c3ce0bd12c0b 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -2,7 +2,9 @@ ifeq ($(CONFIG_PPC64),y) EXTRA_CFLAGS += -mno-minimal-toc endif -obj-$(CONFIG_MPIC) += mpic.o +mpic-msi-obj-$(CONFIG_PCI_MSI) += mpic_msi.o mpic_u3msi.o +obj-$(CONFIG_MPIC) += mpic.o $(mpic-msi-obj-y) + obj-$(CONFIG_PPC_INDIRECT_PCI) += indirect_pci.o obj-$(CONFIG_PPC_MPC106) += grackle.o obj-$(CONFIG_PPC_DCR) += dcr.o @@ -14,6 +16,8 @@ obj-$(CONFIG_FSL_SOC) += fsl_soc.o obj-$(CONFIG_FSL_PCIE) += fsl_pcie.o obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o obj-$(CONFIG_QUICC_ENGINE) += qe_lib/ +mv64x60-$(CONFIG_PCI) += mv64x60_pci.o +obj-$(CONFIG_MV64X60) += $(mv64x60-y) mv64x60_pic.o mv64x60_dev.o # contains only the suspend handler for time obj-$(CONFIG_PM) += timer.o @@ -26,7 +30,6 @@ endif # Temporary hack until we have migrated to asm-powerpc ifeq ($(ARCH),powerpc) -obj-$(CONFIG_MTD) += rom.o obj-$(CONFIG_CPM2) += cpm2_common.o cpm2_pic.o obj-$(CONFIG_8xx) += mpc8xx_pic.o commproc.o obj-$(CONFIG_UCODE_PATCH) += micropatch.o diff --git a/arch/powerpc/sysdev/commproc.c b/arch/powerpc/sysdev/commproc.c index 9b4fafd9a840..4f67b89ba1d0 100644 --- a/arch/powerpc/sysdev/commproc.c +++ b/arch/powerpc/sysdev/commproc.c @@ -330,7 +330,7 @@ void m8xx_cpm_dpinit(void) * with the processor and the microcode patches applied / activated. * But the following should be at least safe. */ - rh_attach_region(&cpm_dpmem_info, (void *)CPM_DATAONLY_BASE, CPM_DATAONLY_SIZE); + rh_attach_region(&cpm_dpmem_info, CPM_DATAONLY_BASE, CPM_DATAONLY_SIZE); } /* @@ -338,9 +338,9 @@ void m8xx_cpm_dpinit(void) * This function returns an offset into the DPRAM area. * Use cpm_dpram_addr() to get the virtual address of the area. */ -uint cpm_dpalloc(uint size, uint align) +unsigned long cpm_dpalloc(uint size, uint align) { - void *start; + unsigned long start; unsigned long flags; spin_lock_irqsave(&cpm_dpmem_lock, flags); @@ -352,30 +352,30 @@ uint cpm_dpalloc(uint size, uint align) } EXPORT_SYMBOL(cpm_dpalloc); -int cpm_dpfree(uint offset) +int cpm_dpfree(unsigned long offset) { int ret; unsigned long flags; spin_lock_irqsave(&cpm_dpmem_lock, flags); - ret = rh_free(&cpm_dpmem_info, (void *)offset); + ret = rh_free(&cpm_dpmem_info, offset); spin_unlock_irqrestore(&cpm_dpmem_lock, flags); return ret; } EXPORT_SYMBOL(cpm_dpfree); -uint cpm_dpalloc_fixed(uint offset, uint size, uint align) +unsigned long cpm_dpalloc_fixed(unsigned long offset, uint size, uint align) { - void *start; + unsigned long start; unsigned long flags; spin_lock_irqsave(&cpm_dpmem_lock, flags); cpm_dpmem_info.alignment = align; - start = rh_alloc_fixed(&cpm_dpmem_info, (void *)offset, size, "commproc"); + start = rh_alloc_fixed(&cpm_dpmem_info, offset, size, "commproc"); spin_unlock_irqrestore(&cpm_dpmem_lock, flags); - return (uint)start; + return start; } EXPORT_SYMBOL(cpm_dpalloc_fixed); @@ -385,7 +385,7 @@ void cpm_dpdump(void) } EXPORT_SYMBOL(cpm_dpdump); -void *cpm_dpram_addr(uint offset) +void *cpm_dpram_addr(unsigned long offset) { return (void *)(dpram_vbase + offset); } diff --git a/arch/powerpc/sysdev/cpm2_common.c b/arch/powerpc/sysdev/cpm2_common.c index ec265995d5d8..924412974795 100644 --- a/arch/powerpc/sysdev/cpm2_common.c +++ b/arch/powerpc/sysdev/cpm2_common.c @@ -248,15 +248,14 @@ static void cpm2_dpinit(void) * varies with the processor and the microcode patches activated. * But the following should be at least safe. */ - rh_attach_region(&cpm_dpmem_info, (void *)CPM_DATAONLY_BASE, - CPM_DATAONLY_SIZE); + rh_attach_region(&cpm_dpmem_info, CPM_DATAONLY_BASE, CPM_DATAONLY_SIZE); } /* This function returns an index into the DPRAM area. */ -uint cpm_dpalloc(uint size, uint align) +unsigned long cpm_dpalloc(uint size, uint align) { - void *start; + unsigned long start; unsigned long flags; spin_lock_irqsave(&cpm_dpmem_lock, flags); @@ -268,13 +267,13 @@ uint cpm_dpalloc(uint size, uint align) } EXPORT_SYMBOL(cpm_dpalloc); -int cpm_dpfree(uint offset) +int cpm_dpfree(unsigned long offset) { int ret; unsigned long flags; spin_lock_irqsave(&cpm_dpmem_lock, flags); - ret = rh_free(&cpm_dpmem_info, (void *)offset); + ret = rh_free(&cpm_dpmem_info, offset); spin_unlock_irqrestore(&cpm_dpmem_lock, flags); return ret; @@ -282,17 +281,17 @@ int cpm_dpfree(uint offset) EXPORT_SYMBOL(cpm_dpfree); /* not sure if this is ever needed */ -uint cpm_dpalloc_fixed(uint offset, uint size, uint align) +unsigned long cpm_dpalloc_fixed(unsigned long offset, uint size, uint align) { - void *start; + unsigned long start; unsigned long flags; spin_lock_irqsave(&cpm_dpmem_lock, flags); cpm_dpmem_info.alignment = align; - start = rh_alloc_fixed(&cpm_dpmem_info, (void *)offset, size, "commproc"); + start = rh_alloc_fixed(&cpm_dpmem_info, offset, size, "commproc"); spin_unlock_irqrestore(&cpm_dpmem_lock, flags); - return (uint)start; + return start; } EXPORT_SYMBOL(cpm_dpalloc_fixed); @@ -302,7 +301,7 @@ void cpm_dpdump(void) } EXPORT_SYMBOL(cpm_dpdump); -void *cpm_dpram_addr(uint offset) +void *cpm_dpram_addr(unsigned long offset) { return (void *)(im_dprambase + offset); } diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index 336186dd7f10..a1d2042bb304 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -36,6 +36,7 @@ #include <linux/pci.h> #include <linux/dma-mapping.h> #include <linux/vmalloc.h> +#include <linux/suspend.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/iommu.h> @@ -54,6 +55,9 @@ static unsigned long dart_tablesize; /* Virtual base address of the DART table */ static u32 *dart_vbase; +#ifdef CONFIG_PM +static u32 *dart_copy; +#endif /* Mapped base address for the dart */ static unsigned int __iomem *dart; @@ -346,6 +350,48 @@ void iommu_init_early_dart(void) set_pci_dma_ops(&dma_direct_ops); } +#ifdef CONFIG_PM +static void iommu_dart_save(void) +{ + memcpy(dart_copy, dart_vbase, 2*1024*1024); +} + +static void iommu_dart_restore(void) +{ + memcpy(dart_vbase, dart_copy, 2*1024*1024); + dart_tlb_invalidate_all(); +} + +static int __init iommu_init_late_dart(void) +{ + unsigned long tbasepfn; + struct page *p; + + /* if no dart table exists then we won't need to save it + * and the area has also not been reserved */ + if (!dart_tablebase) + return 0; + + tbasepfn = __pa(dart_tablebase) >> PAGE_SHIFT; + register_nosave_region_late(tbasepfn, + tbasepfn + ((1<<24) >> PAGE_SHIFT)); + + /* For suspend we need to copy the dart contents because + * it is not part of the regular mapping (see above) and + * thus not saved automatically. The memory for this copy + * must be allocated early because we need 2 MB. */ + p = alloc_pages(GFP_KERNEL, 21 - PAGE_SHIFT); + BUG_ON(!p); + dart_copy = page_address(p); + + ppc_md.iommu_save = iommu_dart_save; + ppc_md.iommu_restore = iommu_dart_restore; + + return 0; +} + +late_initcall(iommu_init_late_dart); +#endif void __init alloc_dart_table(void) { diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index 8a123c71449f..cad175724359 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -907,7 +907,7 @@ static int __init fs_enet_of_init(void) struct fs_platform_info fs_enet_data; const unsigned int *id; const unsigned int *phy_addr; - void *mac_addr; + const void *mac_addr; const phandle *ph; const char *model; diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 0b84b7c775d8..75aad38179f0 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -36,6 +36,8 @@ #include <asm/mpic.h> #include <asm/smp.h> +#include "mpic.h" + #ifdef DEBUG #define DBG(fmt...) printk(fmt) #else @@ -354,6 +356,12 @@ static void mpic_startup_ht_interrupt(struct mpic *mpic, unsigned int source, tmp |= 0x22; writel(tmp, fixup->base + 4); spin_unlock_irqrestore(&mpic->fixup_lock, flags); + +#ifdef CONFIG_PM + /* use the lowest bit inverted to the actual HW, + * set if this fixup was enabled, clear otherwise */ + mpic->save_data[source].fixup_data = tmp | 1; +#endif } static void mpic_shutdown_ht_interrupt(struct mpic *mpic, unsigned int source, @@ -375,7 +383,57 @@ static void mpic_shutdown_ht_interrupt(struct mpic *mpic, unsigned int source, tmp |= 1; writel(tmp, fixup->base + 4); spin_unlock_irqrestore(&mpic->fixup_lock, flags); + +#ifdef CONFIG_PM + /* use the lowest bit inverted to the actual HW, + * set if this fixup was enabled, clear otherwise */ + mpic->save_data[source].fixup_data = tmp & ~1; +#endif +} + +#ifdef CONFIG_PCI_MSI +static void __init mpic_scan_ht_msi(struct mpic *mpic, u8 __iomem *devbase, + unsigned int devfn) +{ + u8 __iomem *base; + u8 pos, flags; + u64 addr = 0; + + for (pos = readb(devbase + PCI_CAPABILITY_LIST); pos != 0; + pos = readb(devbase + pos + PCI_CAP_LIST_NEXT)) { + u8 id = readb(devbase + pos + PCI_CAP_LIST_ID); + if (id == PCI_CAP_ID_HT) { + id = readb(devbase + pos + 3); + if ((id & HT_5BIT_CAP_MASK) == HT_CAPTYPE_MSI_MAPPING) + break; + } + } + + if (pos == 0) + return; + + base = devbase + pos; + + flags = readb(base + HT_MSI_FLAGS); + if (!(flags & HT_MSI_FLAGS_FIXED)) { + addr = readl(base + HT_MSI_ADDR_LO) & HT_MSI_ADDR_LO_MASK; + addr = addr | ((u64)readl(base + HT_MSI_ADDR_HI) << 32); + } + + printk(KERN_DEBUG "mpic: - HT:%02x.%x %s MSI mapping found @ 0x%lx\n", + PCI_SLOT(devfn), PCI_FUNC(devfn), + flags & HT_MSI_FLAGS_ENABLE ? "enabled" : "disabled", addr); + + if (!(flags & HT_MSI_FLAGS_ENABLE)) + writeb(flags | HT_MSI_FLAGS_ENABLE, base + HT_MSI_FLAGS); } +#else +static void __init mpic_scan_ht_msi(struct mpic *mpic, u8 __iomem *devbase, + unsigned int devfn) +{ + return; +} +#endif static void __init mpic_scan_ht_pic(struct mpic *mpic, u8 __iomem *devbase, unsigned int devfn, u32 vdid) @@ -468,6 +526,7 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic) goto next; mpic_scan_ht_pic(mpic, devbase, devfn, l); + mpic_scan_ht_msi(mpic, devbase, devfn); next: /* next device, if function 0 */ @@ -559,7 +618,7 @@ static irqreturn_t mpic_ipi_action(int irq, void *dev_id) */ -static void mpic_unmask_irq(unsigned int irq) +void mpic_unmask_irq(unsigned int irq) { unsigned int loops = 100000; struct mpic *mpic = mpic_from_irq(irq); @@ -579,7 +638,7 @@ static void mpic_unmask_irq(unsigned int irq) } while(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK); } -static void mpic_mask_irq(unsigned int irq) +void mpic_mask_irq(unsigned int irq) { unsigned int loops = 100000; struct mpic *mpic = mpic_from_irq(irq); @@ -600,7 +659,7 @@ static void mpic_mask_irq(unsigned int irq) } while(!(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK)); } -static void mpic_end_irq(unsigned int irq) +void mpic_end_irq(unsigned int irq) { struct mpic *mpic = mpic_from_irq(irq); @@ -733,7 +792,7 @@ static unsigned int mpic_type_to_vecpri(struct mpic *mpic, unsigned int type) } } -static int mpic_set_irq_type(unsigned int virq, unsigned int flow_type) +int mpic_set_irq_type(unsigned int virq, unsigned int flow_type) { struct mpic *mpic = mpic_from_irq(virq); unsigned int src = mpic_irq_to_hw(virq); @@ -834,6 +893,8 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq, if (hw >= mpic->irq_count) return -EINVAL; + mpic_msi_reserve_hwirq(mpic, hw); + /* Default chip */ chip = &mpic->hc_irq; @@ -1142,8 +1203,10 @@ void __init mpic_init(struct mpic *mpic) /* Do the HT PIC fixups on U3 broken mpic */ DBG("MPIC flags: %x\n", mpic->flags); - if ((mpic->flags & MPIC_U3_HT_IRQS) && (mpic->flags & MPIC_PRIMARY)) - mpic_scan_ht_pics(mpic); + if ((mpic->flags & MPIC_U3_HT_IRQS) && (mpic->flags & MPIC_PRIMARY)) { + mpic_scan_ht_pics(mpic); + mpic_u3msi_init(mpic); + } for (i = 0; i < mpic->num_sources; i++) { /* start with vector = source number, and masked */ @@ -1167,6 +1230,12 @@ void __init mpic_init(struct mpic *mpic) /* Set current processor priority to 0 */ mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0); + +#ifdef CONFIG_PM + /* allocate memory to save mpic state */ + mpic->save_data = alloc_bootmem(mpic->num_sources * sizeof(struct mpic_irq_save)); + BUG_ON(mpic->save_data == NULL); +#endif } void __init mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio) @@ -1333,8 +1402,11 @@ unsigned int mpic_get_one_irq(struct mpic *mpic) #ifdef DEBUG_LOW DBG("%s: get_one_irq(): %d\n", mpic->name, src); #endif - if (unlikely(src == mpic->spurious_vec)) + if (unlikely(src == mpic->spurious_vec)) { + if (mpic->flags & MPIC_SPV_EOI) + mpic_eoi(mpic); return NO_IRQ; + } return irq_linear_revmap(mpic->irqhost, src); } @@ -1352,7 +1424,7 @@ unsigned int mpic_get_irq(void) void mpic_request_ipis(void) { struct mpic *mpic = mpic_primary; - int i; + int i, err; static char *ipi_names[] = { "IPI0 (call function)", "IPI1 (reschedule)", @@ -1370,8 +1442,14 @@ void mpic_request_ipis(void) printk(KERN_ERR "Failed to map IPI %d\n", i); break; } - request_irq(vipi, mpic_ipi_action, IRQF_DISABLED|IRQF_PERCPU, - ipi_names[i], mpic); + err = request_irq(vipi, mpic_ipi_action, + IRQF_DISABLED|IRQF_PERCPU, + ipi_names[i], mpic); + if (err) { + printk(KERN_ERR "Request of irq %d for IPI %d failed\n", + vipi, i); + break; + } } } @@ -1417,3 +1495,79 @@ void __devinit smp_mpic_setup_cpu(int cpu) mpic_setup_this_cpu(); } #endif /* CONFIG_SMP */ + +#ifdef CONFIG_PM +static int mpic_suspend(struct sys_device *dev, pm_message_t state) +{ + struct mpic *mpic = container_of(dev, struct mpic, sysdev); + int i; + + for (i = 0; i < mpic->num_sources; i++) { + mpic->save_data[i].vecprio = + mpic_irq_read(i, MPIC_INFO(IRQ_VECTOR_PRI)); + mpic->save_data[i].dest = + mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)); + } + + return 0; +} + +static int mpic_resume(struct sys_device *dev) +{ + struct mpic *mpic = container_of(dev, struct mpic, sysdev); + int i; + + for (i = 0; i < mpic->num_sources; i++) { + mpic_irq_write(i, MPIC_INFO(IRQ_VECTOR_PRI), + mpic->save_data[i].vecprio); + mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION), + mpic->save_data[i].dest); + +#ifdef CONFIG_MPIC_U3_HT_IRQS + { + struct mpic_irq_fixup *fixup = &mpic->fixups[i]; + + if (fixup->base) { + /* we use the lowest bit in an inverted meaning */ + if ((mpic->save_data[i].fixup_data & 1) == 0) + continue; + + /* Enable and configure */ + writeb(0x10 + 2 * fixup->index, fixup->base + 2); + + writel(mpic->save_data[i].fixup_data & ~1, + fixup->base + 4); + } + } +#endif + } /* end for loop */ + + return 0; +} +#endif + +static struct sysdev_class mpic_sysclass = { +#ifdef CONFIG_PM + .resume = mpic_resume, + .suspend = mpic_suspend, +#endif + set_kset_name("mpic"), +}; + +static int mpic_init_sys(void) +{ + struct mpic *mpic = mpics; + int error, id = 0; + + error = sysdev_class_register(&mpic_sysclass); + + while (mpic && !error) { + mpic->sysdev.cls = &mpic_sysclass; + mpic->sysdev.id = id++; + error = sysdev_register(&mpic->sysdev); + mpic = mpic->next; + } + return error; +} + +device_initcall(mpic_init_sys); diff --git a/arch/powerpc/sysdev/mpic.h b/arch/powerpc/sysdev/mpic.h new file mode 100644 index 000000000000..3a1c3d2c594d --- /dev/null +++ b/arch/powerpc/sysdev/mpic.h @@ -0,0 +1,38 @@ +#ifndef _POWERPC_SYSDEV_MPIC_H +#define _POWERPC_SYSDEV_MPIC_H + +/* + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * 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; version 2 of the + * License. + * + */ + +#ifdef CONFIG_PCI_MSI +extern void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq); +extern int mpic_msi_init_allocator(struct mpic *mpic); +extern irq_hw_number_t mpic_msi_alloc_hwirqs(struct mpic *mpic, int num); +extern void mpic_msi_free_hwirqs(struct mpic *mpic, int offset, int num); +extern int mpic_u3msi_init(struct mpic *mpic); +#else +static inline void mpic_msi_reserve_hwirq(struct mpic *mpic, + irq_hw_number_t hwirq) +{ + return; +} + +static inline int mpic_u3msi_init(struct mpic *mpic) +{ + return -1; +} +#endif + +extern int mpic_set_irq_type(unsigned int virq, unsigned int flow_type); +extern void mpic_end_irq(unsigned int irq); +extern void mpic_mask_irq(unsigned int irq); +extern void mpic_unmask_irq(unsigned int irq); + +#endif /* _POWERPC_SYSDEV_MPIC_H */ diff --git a/arch/powerpc/sysdev/mpic_msi.c b/arch/powerpc/sysdev/mpic_msi.c new file mode 100644 index 000000000000..b076793033c2 --- /dev/null +++ b/arch/powerpc/sysdev/mpic_msi.c @@ -0,0 +1,183 @@ +/* + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * 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; version 2 of the + * License. + * + */ + +#include <linux/irq.h> +#include <linux/bootmem.h> +#include <linux/bitmap.h> +#include <linux/msi.h> +#include <asm/mpic.h> +#include <asm/prom.h> +#include <asm/hw_irq.h> +#include <asm/ppc-pci.h> + + +static void __mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq) +{ + pr_debug("mpic: reserving hwirq 0x%lx\n", hwirq); + bitmap_allocate_region(mpic->hwirq_bitmap, hwirq, 0); +} + +void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq) +{ + unsigned long flags; + + /* The mpic calls this even when there is no allocator setup */ + if (!mpic->hwirq_bitmap) + return; + + spin_lock_irqsave(&mpic->bitmap_lock, flags); + __mpic_msi_reserve_hwirq(mpic, hwirq); + spin_unlock_irqrestore(&mpic->bitmap_lock, flags); +} + +irq_hw_number_t mpic_msi_alloc_hwirqs(struct mpic *mpic, int num) +{ + unsigned long flags; + int offset, order = get_count_order(num); + + spin_lock_irqsave(&mpic->bitmap_lock, flags); + /* + * This is fast, but stricter than we need. We might want to add + * a fallback routine which does a linear search with no alignment. + */ + offset = bitmap_find_free_region(mpic->hwirq_bitmap, mpic->irq_count, + order); + spin_unlock_irqrestore(&mpic->bitmap_lock, flags); + + pr_debug("mpic: allocated 0x%x (2^%d) at offset 0x%x\n", + num, order, offset); + + return offset; +} + +void mpic_msi_free_hwirqs(struct mpic *mpic, int offset, int num) +{ + unsigned long flags; + int order = get_count_order(num); + + pr_debug("mpic: freeing 0x%x (2^%d) at offset 0x%x\n", + num, order, offset); + + spin_lock_irqsave(&mpic->bitmap_lock, flags); + bitmap_release_region(mpic->hwirq_bitmap, offset, order); + spin_unlock_irqrestore(&mpic->bitmap_lock, flags); +} + +#ifdef CONFIG_MPIC_U3_HT_IRQS +static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) +{ + irq_hw_number_t hwirq; + struct irq_host_ops *ops = mpic->irqhost->ops; + struct device_node *np; + int flags, index, i; + struct of_irq oirq; + + pr_debug("mpic: found U3, guessing msi allocator setup\n"); + + /* Reserve source numbers we know are reserved in the HW */ + for (i = 0; i < 8; i++) + __mpic_msi_reserve_hwirq(mpic, i); + + for (i = 42; i < 46; i++) + __mpic_msi_reserve_hwirq(mpic, i); + + for (i = 100; i < 105; i++) + __mpic_msi_reserve_hwirq(mpic, i); + + np = NULL; + while ((np = of_find_all_nodes(np))) { + pr_debug("mpic: mapping hwirqs for %s\n", np->full_name); + + index = 0; + while (of_irq_map_one(np, index++, &oirq) == 0) { + ops->xlate(mpic->irqhost, NULL, oirq.specifier, + oirq.size, &hwirq, &flags); + __mpic_msi_reserve_hwirq(mpic, hwirq); + } + } + + return 0; +} +#else +static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) +{ + return -1; +} +#endif + +static int mpic_msi_reserve_dt_hwirqs(struct mpic *mpic) +{ + int i, len; + const u32 *p; + + p = of_get_property(mpic->of_node, "msi-available-ranges", &len); + if (!p) { + pr_debug("mpic: no msi-available-ranges property found on %s\n", + mpic->of_node->full_name); + return -ENODEV; + } + + if (len % 8 != 0) { + printk(KERN_WARNING "mpic: Malformed msi-available-ranges " + "property on %s\n", mpic->of_node->full_name); + return -EINVAL; + } + + bitmap_allocate_region(mpic->hwirq_bitmap, 0, + get_count_order(mpic->irq_count)); + + /* Format is: (<u32 start> <u32 count>)+ */ + len /= sizeof(u32); + for (i = 0; i < len / 2; i++, p += 2) + mpic_msi_free_hwirqs(mpic, *p, *(p + 1)); + + return 0; +} + +int mpic_msi_init_allocator(struct mpic *mpic) +{ + int rc, size; + + BUG_ON(mpic->hwirq_bitmap); + spin_lock_init(&mpic->bitmap_lock); + + size = BITS_TO_LONGS(mpic->irq_count) * sizeof(long); + pr_debug("mpic: allocator bitmap size is 0x%x bytes\n", size); + + if (mem_init_done) + mpic->hwirq_bitmap = kmalloc(size, GFP_KERNEL); + else + mpic->hwirq_bitmap = alloc_bootmem(size); + + if (!mpic->hwirq_bitmap) { + pr_debug("mpic: ENOMEM allocating allocator bitmap!\n"); + return -ENOMEM; + } + + memset(mpic->hwirq_bitmap, 0, size); + + rc = mpic_msi_reserve_dt_hwirqs(mpic); + if (rc) { + if (mpic->flags & MPIC_U3_HT_IRQS) + rc = mpic_msi_reserve_u3_hwirqs(mpic); + + if (rc) + goto out_free; + } + + return 0; + + out_free: + if (mem_init_done) + kfree(mpic->hwirq_bitmap); + + mpic->hwirq_bitmap = NULL; + return rc; +} diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c new file mode 100644 index 000000000000..305b864c25d9 --- /dev/null +++ b/arch/powerpc/sysdev/mpic_u3msi.c @@ -0,0 +1,186 @@ +/* + * Copyright 2006, Segher Boessenkool, IBM Corporation. + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * 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; version 2 of the + * License. + * + */ + +#include <linux/irq.h> +#include <linux/bootmem.h> +#include <linux/msi.h> +#include <asm/mpic.h> +#include <asm/prom.h> +#include <asm/hw_irq.h> +#include <asm/ppc-pci.h> + +#include "mpic.h" + +/* A bit ugly, can we get this from the pci_dev somehow? */ +static struct mpic *msi_mpic; + +static void mpic_u3msi_mask_irq(unsigned int irq) +{ + mask_msi_irq(irq); + mpic_mask_irq(irq); +} + +static void mpic_u3msi_unmask_irq(unsigned int irq) +{ + mpic_unmask_irq(irq); + unmask_msi_irq(irq); +} + +static struct irq_chip mpic_u3msi_chip = { + .shutdown = mpic_u3msi_mask_irq, + .mask = mpic_u3msi_mask_irq, + .unmask = mpic_u3msi_unmask_irq, + .eoi = mpic_end_irq, + .set_type = mpic_set_irq_type, + .typename = "MPIC-U3MSI", +}; + +static u64 read_ht_magic_addr(struct pci_dev *pdev, unsigned int pos) +{ + u8 flags; + u32 tmp; + u64 addr; + + pci_read_config_byte(pdev, pos + HT_MSI_FLAGS, &flags); + + if (flags & HT_MSI_FLAGS_FIXED) + return HT_MSI_FIXED_ADDR; + + pci_read_config_dword(pdev, pos + HT_MSI_ADDR_LO, &tmp); + addr = tmp & HT_MSI_ADDR_LO_MASK; + pci_read_config_dword(pdev, pos + HT_MSI_ADDR_HI, &tmp); + addr = addr | ((u64)tmp << 32); + + return addr; +} + +static u64 find_ht_magic_addr(struct pci_dev *pdev) +{ + struct pci_bus *bus; + unsigned int pos; + + for (bus = pdev->bus; bus; bus = bus->parent) { + pos = pci_find_ht_capability(bus->self, HT_CAPTYPE_MSI_MAPPING); + if (pos) + return read_ht_magic_addr(bus->self, pos); + } + + return 0; +} + +static int u3msi_msi_check_device(struct pci_dev *pdev, int nvec, int type) +{ + if (type == PCI_CAP_ID_MSIX) + pr_debug("u3msi: MSI-X untested, trying anyway.\n"); + + /* If we can't find a magic address then MSI ain't gonna work */ + if (find_ht_magic_addr(pdev) == 0) { + pr_debug("u3msi: no magic address found for %s\n", + pci_name(pdev)); + return -ENXIO; + } + + return 0; +} + +static void u3msi_teardown_msi_irqs(struct pci_dev *pdev) +{ + struct msi_desc *entry; + + list_for_each_entry(entry, &pdev->msi_list, list) { + if (entry->irq == NO_IRQ) + continue; + + set_irq_msi(entry->irq, NULL); + mpic_msi_free_hwirqs(msi_mpic, virq_to_hw(entry->irq), 1); + irq_dispose_mapping(entry->irq); + } + + return; +} + +static void u3msi_compose_msi_msg(struct pci_dev *pdev, int virq, + struct msi_msg *msg) +{ + u64 addr; + + addr = find_ht_magic_addr(pdev); + msg->address_lo = addr & 0xFFFFFFFF; + msg->address_hi = addr >> 32; + msg->data = virq_to_hw(virq); + + pr_debug("u3msi: allocated virq 0x%x (hw 0x%lx) at address 0x%lx\n", + virq, virq_to_hw(virq), addr); +} + +static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) +{ + irq_hw_number_t hwirq; + int rc; + unsigned int virq; + struct msi_desc *entry; + struct msi_msg msg; + + list_for_each_entry(entry, &pdev->msi_list, list) { + hwirq = mpic_msi_alloc_hwirqs(msi_mpic, 1); + if (hwirq < 0) { + rc = hwirq; + pr_debug("u3msi: failed allocating hwirq\n"); + goto out_free; + } + + virq = irq_create_mapping(msi_mpic->irqhost, hwirq); + if (virq == NO_IRQ) { + pr_debug("u3msi: failed mapping hwirq 0x%lx\n", hwirq); + mpic_msi_free_hwirqs(msi_mpic, hwirq, 1); + rc = -ENOSPC; + goto out_free; + } + + set_irq_msi(virq, entry); + set_irq_chip(virq, &mpic_u3msi_chip); + set_irq_type(virq, IRQ_TYPE_EDGE_RISING); + + u3msi_compose_msi_msg(pdev, virq, &msg); + write_msi_msg(virq, &msg); + + hwirq++; + } + + return 0; + + out_free: + u3msi_teardown_msi_irqs(pdev); + return rc; +} + +int mpic_u3msi_init(struct mpic *mpic) +{ + int rc; + + rc = mpic_msi_init_allocator(mpic); + if (rc) { + pr_debug("u3msi: Error allocating bitmap!\n"); + return rc; + } + + pr_debug("u3msi: Registering MPIC U3 MSI callbacks.\n"); + + BUG_ON(msi_mpic); + msi_mpic = mpic; + + WARN_ON(ppc_md.setup_msi_irqs); + ppc_md.setup_msi_irqs = u3msi_setup_msi_irqs; + ppc_md.teardown_msi_irqs = u3msi_teardown_msi_irqs; + ppc_md.msi_check_device = u3msi_msi_check_device; + + return 0; +} diff --git a/arch/powerpc/sysdev/mv64x60.h b/arch/powerpc/sysdev/mv64x60.h new file mode 100644 index 000000000000..2ff0b4ef2681 --- /dev/null +++ b/arch/powerpc/sysdev/mv64x60.h @@ -0,0 +1,11 @@ +#ifndef __MV64X60_H__ +#define __MV64X60_H__ + +#include <linux/init.h> + +extern void __init mv64x60_init_irq(void); +extern unsigned int mv64x60_get_irq(void); + +extern void __init mv64x60_pci_init(void); + +#endif /* __MV64X60_H__ */ diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c new file mode 100644 index 000000000000..4b0a9c88eeb3 --- /dev/null +++ b/arch/powerpc/sysdev/mv64x60_dev.c @@ -0,0 +1,422 @@ +/* + * Platform device setup for Marvell mv64360/mv64460 host bridges (Discovery) + * + * Author: Dale Farnsworth <dale@farnsworth.org> + * + * 2007 (c) MontaVista, Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/mv643xx.h> +#include <linux/platform_device.h> + +#include <asm/prom.h> + +/* + * These functions provide the necessary setup for the mv64x60 drivers. + * These drivers are unusual in that they work on both the MIPS and PowerPC + * architectures. Because of that, the drivers do not support the normal + * PowerPC of_platform_bus_type. They support platform_bus_type instead. + */ + +/* + * Create MPSC platform devices + */ +static int __init mv64x60_mpsc_register_shared_pdev(struct device_node *np) +{ + struct platform_device *pdev; + struct resource r[2]; + struct mpsc_shared_pdata pdata; + const phandle *ph; + struct device_node *mpscrouting, *mpscintr; + int err; + + ph = of_get_property(np, "mpscrouting", NULL); + mpscrouting = of_find_node_by_phandle(*ph); + if (!mpscrouting) + return -ENODEV; + + err = of_address_to_resource(mpscrouting, 0, &r[0]); + of_node_put(mpscrouting); + if (err) + return err; + + ph = of_get_property(np, "mpscintr", NULL); + mpscintr = of_find_node_by_phandle(*ph); + if (!mpscintr) + return -ENODEV; + + err = of_address_to_resource(mpscintr, 0, &r[1]); + of_node_put(mpscintr); + if (err) + return err; + + memset(&pdata, 0, sizeof(pdata)); + + pdev = platform_device_alloc(MPSC_SHARED_NAME, 0); + if (!pdev) + return -ENOMEM; + + err = platform_device_add_resources(pdev, r, 2); + if (err) + goto error; + + err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); + if (err) + goto error; + + err = platform_device_add(pdev); + if (err) + goto error; + + return 0; + +error: + platform_device_put(pdev); + return err; +} + + +static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id) +{ + struct resource r[5]; + struct mpsc_pdata pdata; + struct platform_device *pdev; + const unsigned int *prop; + const phandle *ph; + struct device_node *sdma, *brg; + int err; + int port_number; + + /* only register the shared platform device the first time through */ + if (id == 0 && (err = mv64x60_mpsc_register_shared_pdev(np))) + return err; + + memset(r, 0, sizeof(r)); + + err = of_address_to_resource(np, 0, &r[0]); + if (err) + return err; + + of_irq_to_resource(np, 0, &r[4]); + + ph = of_get_property(np, "sdma", NULL); + sdma = of_find_node_by_phandle(*ph); + if (!sdma) + return -ENODEV; + + of_irq_to_resource(sdma, 0, &r[3]); + err = of_address_to_resource(sdma, 0, &r[1]); + of_node_put(sdma); + if (err) + return err; + + ph = of_get_property(np, "brg", NULL); + brg = of_find_node_by_phandle(*ph); + if (!brg) + return -ENODEV; + + err = of_address_to_resource(brg, 0, &r[2]); + of_node_put(brg); + if (err) + return err; + + prop = of_get_property(np, "block-index", NULL); + if (!prop) + return -ENODEV; + port_number = *(int *)prop; + + memset(&pdata, 0, sizeof(pdata)); + + pdata.cache_mgmt = 1; /* All current revs need this set */ + + prop = of_get_property(np, "max_idle", NULL); + if (prop) + pdata.max_idle = *prop; + + prop = of_get_property(brg, "current-speed", NULL); + if (prop) + pdata.default_baud = *prop; + + /* Default is 8 bits, no parity, no flow control */ + pdata.default_bits = 8; + pdata.default_parity = 'n'; + pdata.default_flow = 'n'; + + prop = of_get_property(np, "chr_1", NULL); + if (prop) + pdata.chr_1_val = *prop; + + prop = of_get_property(np, "chr_2", NULL); + if (prop) + pdata.chr_2_val = *prop; + + prop = of_get_property(np, "chr_10", NULL); + if (prop) + pdata.chr_10_val = *prop; + + prop = of_get_property(np, "mpcr", NULL); + if (prop) + pdata.mpcr_val = *prop; + + prop = of_get_property(brg, "bcr", NULL); + if (prop) + pdata.bcr_val = *prop; + + pdata.brg_can_tune = 1; /* All current revs need this set */ + + prop = of_get_property(brg, "clock-src", NULL); + if (prop) + pdata.brg_clk_src = *prop; + + prop = of_get_property(brg, "clock-frequency", NULL); + if (prop) + pdata.brg_clk_freq = *prop; + + pdev = platform_device_alloc(MPSC_CTLR_NAME, port_number); + if (!pdev) + return -ENOMEM; + + err = platform_device_add_resources(pdev, r, 5); + if (err) + goto error; + + err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); + if (err) + goto error; + + err = platform_device_add(pdev); + if (err) + goto error; + + return 0; + +error: + platform_device_put(pdev); + return err; +} + +/* + * Create mv64x60_eth platform devices + */ +static int __init eth_register_shared_pdev(struct device_node *np) +{ + struct platform_device *pdev; + struct resource r[1]; + int err; + + np = of_get_parent(np); + if (!np) + return -ENODEV; + + err = of_address_to_resource(np, 0, &r[0]); + of_node_put(np); + if (err) + return err; + + pdev = platform_device_register_simple(MV643XX_ETH_SHARED_NAME, 0, + r, 1); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return 0; +} + +static int __init mv64x60_eth_device_setup(struct device_node *np, int id) +{ + struct resource r[1]; + struct mv643xx_eth_platform_data pdata; + struct platform_device *pdev; + struct device_node *phy; + const u8 *mac_addr; + const int *prop; + const phandle *ph; + int err; + + /* only register the shared platform device the first time through */ + if (id == 0 && (err = eth_register_shared_pdev(np))) + return err;; + + memset(r, 0, sizeof(r)); + of_irq_to_resource(np, 0, &r[0]); + + memset(&pdata, 0, sizeof(pdata)); + + prop = of_get_property(np, "block-index", NULL); + if (!prop) + return -ENODEV; + pdata.port_number = *prop; + + mac_addr = of_get_mac_address(np); + if (mac_addr) + memcpy(pdata.mac_addr, mac_addr, 6); + + prop = of_get_property(np, "speed", NULL); + if (prop) + pdata.speed = *prop; + + prop = of_get_property(np, "tx_queue_size", NULL); + if (prop) + pdata.tx_queue_size = *prop; + + prop = of_get_property(np, "rx_queue_size", NULL); + if (prop) + pdata.rx_queue_size = *prop; + + prop = of_get_property(np, "tx_sram_addr", NULL); + if (prop) + pdata.tx_sram_addr = *prop; + + prop = of_get_property(np, "tx_sram_size", NULL); + if (prop) + pdata.tx_sram_size = *prop; + + prop = of_get_property(np, "rx_sram_addr", NULL); + if (prop) + pdata.rx_sram_addr = *prop; + + prop = of_get_property(np, "rx_sram_size", NULL); + if (prop) + pdata.rx_sram_size = *prop; + + ph = of_get_property(np, "phy", NULL); + if (!ph) + return -ENODEV; + + phy = of_find_node_by_phandle(*ph); + if (phy == NULL) + return -ENODEV; + + prop = of_get_property(phy, "reg", NULL); + if (prop) { + pdata.force_phy_addr = 1; + pdata.phy_addr = *prop; + } + + of_node_put(phy); + + pdev = platform_device_alloc(MV643XX_ETH_NAME, pdata.port_number); + if (!pdev) + return -ENOMEM; + + err = platform_device_add_resources(pdev, r, 1); + if (err) + goto error; + + err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); + if (err) + goto error; + + err = platform_device_add(pdev); + if (err) + goto error; + + return 0; + +error: + platform_device_put(pdev); + return err; +} + +/* + * Create mv64x60_i2c platform devices + */ +static int __init mv64x60_i2c_device_setup(struct device_node *np, int id) +{ + struct resource r[2]; + struct platform_device *pdev; + struct mv64xxx_i2c_pdata pdata; + const unsigned int *prop; + int err; + + memset(r, 0, sizeof(r)); + + err = of_address_to_resource(np, 0, &r[0]); + if (err) + return err; + + of_irq_to_resource(np, 0, &r[1]); + + memset(&pdata, 0, sizeof(pdata)); + + prop = of_get_property(np, "freq_m", NULL); + if (!prop) + return -ENODEV; + pdata.freq_m = *prop; + + prop = of_get_property(np, "freq_n", NULL); + if (!prop) + return -ENODEV; + pdata.freq_n = *prop; + + prop = of_get_property(np, "timeout", NULL); + if (prop) + pdata.timeout = *prop; + else + pdata.timeout = 1000; /* 1 second */ + + prop = of_get_property(np, "retries", NULL); + if (prop) + pdata.retries = *prop; + else + pdata.retries = 1; + + pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id); + if (!pdev) + return -ENOMEM; + + err = platform_device_add_resources(pdev, r, 2); + if (err) + goto error; + + err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); + if (err) + goto error; + + err = platform_device_add(pdev); + if (err) + goto error; + + return 0; + +error: + platform_device_put(pdev); + return err; +} + +static int __init mv64x60_device_setup(void) +{ + struct device_node *np = NULL; + int id; + int err; + + for (id = 0; + (np = of_find_compatible_node(np, "serial", "marvell,mpsc")); id++) + if ((err = mv64x60_mpsc_device_setup(np, id))) + goto error; + + for (id = 0; + (np = of_find_compatible_node(np, "network", + "marvell,mv64x60-eth")); + id++) + if ((err = mv64x60_eth_device_setup(np, id))) + goto error; + + for (id = 0; + (np = of_find_compatible_node(np, "i2c", "marvell,mv64x60-i2c")); + id++) + if ((err = mv64x60_i2c_device_setup(np, id))) + goto error; + + return 0; + +error: + of_node_put(np); + return err; +} +arch_initcall(mv64x60_device_setup); diff --git a/arch/powerpc/sysdev/mv64x60_pci.c b/arch/powerpc/sysdev/mv64x60_pci.c new file mode 100644 index 000000000000..b5aef4cbc8d2 --- /dev/null +++ b/arch/powerpc/sysdev/mv64x60_pci.c @@ -0,0 +1,172 @@ +/* + * PCI bus setup for Marvell mv64360/mv64460 host bridges (Discovery) + * + * Author: Dale Farnsworth <dale@farnsworth.org> + * + * 2007 (c) MontaVista, Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/pci.h> + +#include <asm/prom.h> +#include <asm/pci-bridge.h> + +#define PCI_HEADER_TYPE_INVALID 0x7f /* Invalid PCI header type */ + +#ifdef CONFIG_SYSFS +/* 32-bit hex or dec stringified number + '\n' */ +#define MV64X60_VAL_LEN_MAX 11 +#define MV64X60_PCICFG_CPCI_HOTSWAP 0x68 + +static ssize_t mv64x60_hs_reg_read(struct kobject *kobj, char *buf, loff_t off, + size_t count) +{ + struct pci_dev *phb; + u32 v; + + if (off > 0) + return 0; + if (count < MV64X60_VAL_LEN_MAX) + return -EINVAL; + + phb = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)); + if (!phb) + return -ENODEV; + pci_read_config_dword(phb, MV64X60_PCICFG_CPCI_HOTSWAP, &v); + pci_dev_put(phb); + + return sprintf(buf, "0x%08x\n", v); +} + +static ssize_t mv64x60_hs_reg_write(struct kobject *kobj, char *buf, loff_t off, + size_t count) +{ + struct pci_dev *phb; + u32 v; + + if (off > 0) + return 0; + if (count <= 0) + return -EINVAL; + + if (sscanf(buf, "%i", &v) != 1) + return -EINVAL; + + phb = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)); + if (!phb) + return -ENODEV; + pci_write_config_dword(phb, MV64X60_PCICFG_CPCI_HOTSWAP, v); + pci_dev_put(phb); + + return count; +} + +static struct bin_attribute mv64x60_hs_reg_attr = { /* Hotswap register */ + .attr = { + .name = "hs_reg", + .mode = S_IRUGO | S_IWUSR, + .owner = THIS_MODULE, + }, + .size = MV64X60_VAL_LEN_MAX, + .read = mv64x60_hs_reg_read, + .write = mv64x60_hs_reg_write, +}; + +static int __init mv64x60_sysfs_init(void) +{ + struct device_node *np; + struct platform_device *pdev; + const unsigned int *prop; + + np = of_find_compatible_node(NULL, NULL, "marvell,mv64x60"); + if (!np) + return 0; + + prop = of_get_property(np, "hs_reg_valid", NULL); + of_node_put(np); + + pdev = platform_device_register_simple("marvell,mv64x60", 0, NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return sysfs_create_bin_file(&pdev->dev.kobj, &mv64x60_hs_reg_attr); +} + +subsys_initcall(mv64x60_sysfs_init); + +#endif /* CONFIG_SYSFS */ + +static void __init mv64x60_pci_fixup_early(struct pci_dev *dev) +{ + /* + * Set the host bridge hdr_type to an invalid value so that + * pci_setup_device() will ignore the host bridge. + */ + dev->hdr_type = PCI_HEADER_TYPE_INVALID; +} +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_MV64360, + mv64x60_pci_fixup_early); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_MV64460, + mv64x60_pci_fixup_early); + +static int __init mv64x60_add_bridge(struct device_node *dev) +{ + int len; + struct pci_controller *hose; + struct resource rsrc; + const int *bus_range; + int primary; + + memset(&rsrc, 0, sizeof(rsrc)); + + /* Fetch host bridge registers address */ + if (of_address_to_resource(dev, 0, &rsrc)) { + printk(KERN_ERR "No PCI reg property in device tree\n"); + return -ENODEV; + } + + /* Get bus range if any */ + bus_range = of_get_property(dev, "bus-range", &len); + if (bus_range == NULL || len < 2 * sizeof(int)) + printk(KERN_WARNING "Can't get bus-range for %s, assume" + " bus 0\n", dev->full_name); + + hose = pcibios_alloc_controller(); + if (!hose) + return -ENOMEM; + + hose->arch_data = dev; + hose->set_cfg_type = 1; + + hose->first_busno = bus_range ? bus_range[0] : 0; + hose->last_busno = bus_range ? bus_range[1] : 0xff; + + setup_indirect_pci(hose, rsrc.start, rsrc.start + 4); + hose->bus_offset = hose->first_busno; + + printk(KERN_INFO "Found MV64x60 PCI host bridge at 0x%016llx. " + "Firmware bus number: %d->%d\n", + (unsigned long long)rsrc.start, hose->first_busno, + hose->last_busno); + + /* Interpret the "ranges" property */ + /* This also maps the I/O region and sets isa_io/mem_base */ + primary = (hose->first_busno == 0); + pci_process_bridge_OF_ranges(hose, dev, primary); + + return 0; +} + +void __init mv64x60_pci_init(void) +{ + struct device_node *np = NULL; + + while ((np = of_find_compatible_node(np, "pci", "marvell,mv64x60-pci"))) + mv64x60_add_bridge(np); +} diff --git a/arch/powerpc/sysdev/mv64x60_pic.c b/arch/powerpc/sysdev/mv64x60_pic.c new file mode 100644 index 000000000000..01d316287772 --- /dev/null +++ b/arch/powerpc/sysdev/mv64x60_pic.c @@ -0,0 +1,305 @@ +/* + * Interrupt handling for Marvell mv64360/mv64460 host bridges (Discovery) + * + * Author: Dale Farnsworth <dale@farnsworth.org> + * + * 2007 (c) MontaVista, Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> + +#include <asm/byteorder.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/irq.h> + +#include "mv64x60.h" + +/* Interrupt Controller Interface Registers */ +#define MV64X60_IC_MAIN_CAUSE_LO 0x0004 +#define MV64X60_IC_MAIN_CAUSE_HI 0x000c +#define MV64X60_IC_CPU0_INTR_MASK_LO 0x0014 +#define MV64X60_IC_CPU0_INTR_MASK_HI 0x001c +#define MV64X60_IC_CPU0_SELECT_CAUSE 0x0024 + +#define MV64X60_HIGH_GPP_GROUPS 0x0f000000 +#define MV64X60_SELECT_CAUSE_HIGH 0x40000000 + +/* General Purpose Pins Controller Interface Registers */ +#define MV64x60_GPP_INTR_CAUSE 0x0008 +#define MV64x60_GPP_INTR_MASK 0x000c + +#define MV64x60_LEVEL1_LOW 0 +#define MV64x60_LEVEL1_HIGH 1 +#define MV64x60_LEVEL1_GPP 2 + +#define MV64x60_LEVEL1_MASK 0x00000060 +#define MV64x60_LEVEL1_OFFSET 5 + +#define MV64x60_LEVEL2_MASK 0x0000001f + +#define MV64x60_NUM_IRQS 96 + +static DEFINE_SPINLOCK(mv64x60_lock); + +static void __iomem *mv64x60_irq_reg_base; +static void __iomem *mv64x60_gpp_reg_base; + +/* + * Interrupt Controller Handling + * + * The interrupt controller handles three groups of interrupts: + * main low: IRQ0-IRQ31 + * main high: IRQ32-IRQ63 + * gpp: IRQ64-IRQ95 + * + * This code handles interrupts in two levels. Level 1 selects the + * interrupt group, and level 2 selects an IRQ within that group. + * Each group has its own irq_chip structure. + */ + +static u32 mv64x60_cached_low_mask; +static u32 mv64x60_cached_high_mask = MV64X60_HIGH_GPP_GROUPS; +static u32 mv64x60_cached_gpp_mask; + +static struct irq_host *mv64x60_irq_host; + +/* + * mv64x60_chip_low functions + */ + +static void mv64x60_mask_low(unsigned int virq) +{ + int level2 = irq_map[virq].hwirq & MV64x60_LEVEL2_MASK; + unsigned long flags; + + spin_lock_irqsave(&mv64x60_lock, flags); + mv64x60_cached_low_mask &= ~(1 << level2); + out_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_INTR_MASK_LO, + mv64x60_cached_low_mask); + spin_unlock_irqrestore(&mv64x60_lock, flags); + (void)in_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_INTR_MASK_LO); +} + +static void mv64x60_unmask_low(unsigned int virq) +{ + int level2 = irq_map[virq].hwirq & MV64x60_LEVEL2_MASK; + unsigned long flags; + + spin_lock_irqsave(&mv64x60_lock, flags); + mv64x60_cached_low_mask |= 1 << level2; + out_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_INTR_MASK_LO, + mv64x60_cached_low_mask); + spin_unlock_irqrestore(&mv64x60_lock, flags); + (void)in_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_INTR_MASK_LO); +} + +static struct irq_chip mv64x60_chip_low = { + .name = "mv64x60_low", + .mask = mv64x60_mask_low, + .mask_ack = mv64x60_mask_low, + .unmask = mv64x60_unmask_low, +}; + +/* + * mv64x60_chip_high functions + */ + +static void mv64x60_mask_high(unsigned int virq) +{ + int level2 = irq_map[virq].hwirq & MV64x60_LEVEL2_MASK; + unsigned long flags; + + spin_lock_irqsave(&mv64x60_lock, flags); + mv64x60_cached_high_mask &= ~(1 << level2); + out_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_INTR_MASK_HI, + mv64x60_cached_high_mask); + spin_unlock_irqrestore(&mv64x60_lock, flags); + (void)in_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_INTR_MASK_HI); +} + +static void mv64x60_unmask_high(unsigned int virq) +{ + int level2 = irq_map[virq].hwirq & MV64x60_LEVEL2_MASK; + unsigned long flags; + + spin_lock_irqsave(&mv64x60_lock, flags); + mv64x60_cached_high_mask |= 1 << level2; + out_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_INTR_MASK_HI, + mv64x60_cached_high_mask); + spin_unlock_irqrestore(&mv64x60_lock, flags); + (void)in_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_INTR_MASK_HI); +} + +static struct irq_chip mv64x60_chip_high = { + .name = "mv64x60_high", + .mask = mv64x60_mask_high, + .mask_ack = mv64x60_mask_high, + .unmask = mv64x60_unmask_high, +}; + +/* + * mv64x60_chip_gpp functions + */ + +static void mv64x60_mask_gpp(unsigned int virq) +{ + int level2 = irq_map[virq].hwirq & MV64x60_LEVEL2_MASK; + unsigned long flags; + + spin_lock_irqsave(&mv64x60_lock, flags); + mv64x60_cached_gpp_mask &= ~(1 << level2); + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_INTR_MASK, + mv64x60_cached_gpp_mask); + spin_unlock_irqrestore(&mv64x60_lock, flags); + (void)in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_INTR_MASK); +} + +static void mv64x60_mask_ack_gpp(unsigned int virq) +{ + int level2 = irq_map[virq].hwirq & MV64x60_LEVEL2_MASK; + unsigned long flags; + + spin_lock_irqsave(&mv64x60_lock, flags); + mv64x60_cached_gpp_mask &= ~(1 << level2); + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_INTR_MASK, + mv64x60_cached_gpp_mask); + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_INTR_CAUSE, + ~(1 << level2)); + spin_unlock_irqrestore(&mv64x60_lock, flags); + (void)in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_INTR_CAUSE); +} + +static void mv64x60_unmask_gpp(unsigned int virq) +{ + int level2 = irq_map[virq].hwirq & MV64x60_LEVEL2_MASK; + unsigned long flags; + + spin_lock_irqsave(&mv64x60_lock, flags); + mv64x60_cached_gpp_mask |= 1 << level2; + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_INTR_MASK, + mv64x60_cached_gpp_mask); + spin_unlock_irqrestore(&mv64x60_lock, flags); + (void)in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_INTR_MASK); +} + +static struct irq_chip mv64x60_chip_gpp = { + .name = "mv64x60_gpp", + .mask = mv64x60_mask_gpp, + .mask_ack = mv64x60_mask_ack_gpp, + .unmask = mv64x60_unmask_gpp, +}; + +/* + * mv64x60_host_ops functions + */ + +static int mv64x60_host_match(struct irq_host *h, struct device_node *np) +{ + return mv64x60_irq_host->host_data == np; +} + +static struct irq_chip *mv64x60_chips[] = { + [MV64x60_LEVEL1_LOW] = &mv64x60_chip_low, + [MV64x60_LEVEL1_HIGH] = &mv64x60_chip_high, + [MV64x60_LEVEL1_GPP] = &mv64x60_chip_gpp, +}; + +static int mv64x60_host_map(struct irq_host *h, unsigned int virq, + irq_hw_number_t hwirq) +{ + int level1; + + get_irq_desc(virq)->status |= IRQ_LEVEL; + + level1 = (hwirq & MV64x60_LEVEL1_MASK) >> MV64x60_LEVEL1_OFFSET; + BUG_ON(level1 > MV64x60_LEVEL1_GPP); + set_irq_chip_and_handler(virq, mv64x60_chips[level1], handle_level_irq); + + return 0; +} + +static struct irq_host_ops mv64x60_host_ops = { + .match = mv64x60_host_match, + .map = mv64x60_host_map, +}; + +/* + * Global functions + */ + +void __init mv64x60_init_irq(void) +{ + struct device_node *np; + phys_addr_t paddr; + unsigned int size; + const unsigned int *reg; + unsigned long flags; + + np = of_find_compatible_node(NULL, NULL, "marvell,mv64x60-gpp"); + reg = of_get_property(np, "reg", &size); + paddr = of_translate_address(np, reg); + mv64x60_gpp_reg_base = ioremap(paddr, reg[1]); + of_node_put(np); + + np = of_find_compatible_node(NULL, NULL, "marvell,mv64x60-pic"); + reg = of_get_property(np, "reg", &size); + paddr = of_translate_address(np, reg); + of_node_put(np); + mv64x60_irq_reg_base = ioremap(paddr, reg[1]); + + mv64x60_irq_host = irq_alloc_host(IRQ_HOST_MAP_LINEAR, MV64x60_NUM_IRQS, + &mv64x60_host_ops, MV64x60_NUM_IRQS); + + mv64x60_irq_host->host_data = np; + + spin_lock_irqsave(&mv64x60_lock, flags); + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_INTR_MASK, + mv64x60_cached_gpp_mask); + out_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_INTR_MASK_LO, + mv64x60_cached_low_mask); + out_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_INTR_MASK_HI, + mv64x60_cached_high_mask); + + out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_INTR_CAUSE, 0); + out_le32(mv64x60_irq_reg_base + MV64X60_IC_MAIN_CAUSE_LO, 0); + out_le32(mv64x60_irq_reg_base + MV64X60_IC_MAIN_CAUSE_HI, 0); + spin_unlock_irqrestore(&mv64x60_lock, flags); +} + +unsigned int mv64x60_get_irq(void) +{ + u32 cause; + int level1; + irq_hw_number_t hwirq; + int virq = NO_IRQ; + + cause = in_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_SELECT_CAUSE); + if (cause & MV64X60_SELECT_CAUSE_HIGH) { + cause &= mv64x60_cached_high_mask; + level1 = MV64x60_LEVEL1_HIGH; + if (cause & MV64X60_HIGH_GPP_GROUPS) { + cause = in_le32(mv64x60_gpp_reg_base + + MV64x60_GPP_INTR_CAUSE); + cause &= mv64x60_cached_gpp_mask; + level1 = MV64x60_LEVEL1_GPP; + } + } else { + cause &= mv64x60_cached_low_mask; + level1 = MV64x60_LEVEL1_LOW; + } + if (cause) { + hwirq = (level1 << MV64x60_LEVEL1_OFFSET) | __ilog2(cause); + virq = irq_linear_revmap(mv64x60_irq_host, hwirq); + } + + return virq; +} diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index 7f4c07543961..90f87408b5d5 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -244,7 +244,7 @@ EXPORT_SYMBOL(qe_put_snum); static int qe_sdma_init(void) { struct sdma *sdma = &qe_immr->sdma; - u32 sdma_buf_offset; + unsigned long sdma_buf_offset; if (!sdma) return -ENODEV; @@ -252,10 +252,10 @@ static int qe_sdma_init(void) /* allocate 2 internal temporary buffers (512 bytes size each) for * the SDMA */ sdma_buf_offset = qe_muram_alloc(512 * 2, 4096); - if (IS_MURAM_ERR(sdma_buf_offset)) + if (IS_ERR_VALUE(sdma_buf_offset)) return -ENOMEM; - out_be32(&sdma->sdebcr, sdma_buf_offset & QE_SDEBCR_BA_MASK); + out_be32(&sdma->sdebcr, (u32) sdma_buf_offset & QE_SDEBCR_BA_MASK); out_be32(&sdma->sdmr, (QE_SDMR_GLB_1_MSK | (0x1 << QE_SDMR_CEN_SHIFT))); @@ -291,33 +291,32 @@ static void qe_muram_init(void) if ((np = of_find_node_by_name(NULL, "data-only")) != NULL) { address = *of_get_address(np, 0, &size, &flags); of_node_put(np); - rh_attach_region(&qe_muram_info, - (void *)address, (int)size); + rh_attach_region(&qe_muram_info, address, (int) size); } } /* This function returns an index into the MURAM area. */ -u32 qe_muram_alloc(u32 size, u32 align) +unsigned long qe_muram_alloc(int size, int align) { - void *start; + unsigned long start; unsigned long flags; spin_lock_irqsave(&qe_muram_lock, flags); start = rh_alloc_align(&qe_muram_info, size, align, "QE"); spin_unlock_irqrestore(&qe_muram_lock, flags); - return (u32) start; + return start; } EXPORT_SYMBOL(qe_muram_alloc); -int qe_muram_free(u32 offset) +int qe_muram_free(unsigned long offset) { int ret; unsigned long flags; spin_lock_irqsave(&qe_muram_lock, flags); - ret = rh_free(&qe_muram_info, (void *)offset); + ret = rh_free(&qe_muram_info, offset); spin_unlock_irqrestore(&qe_muram_lock, flags); return ret; @@ -325,16 +324,16 @@ int qe_muram_free(u32 offset) EXPORT_SYMBOL(qe_muram_free); /* not sure if this is ever needed */ -u32 qe_muram_alloc_fixed(u32 offset, u32 size) +unsigned long qe_muram_alloc_fixed(unsigned long offset, int size) { - void *start; + unsigned long start; unsigned long flags; spin_lock_irqsave(&qe_muram_lock, flags); - start = rh_alloc_fixed(&qe_muram_info, (void *)offset, size, "commproc"); + start = rh_alloc_fixed(&qe_muram_info, offset, size, "commproc"); spin_unlock_irqrestore(&qe_muram_lock, flags); - return (u32) start; + return start; } EXPORT_SYMBOL(qe_muram_alloc_fixed); @@ -344,7 +343,7 @@ void qe_muram_dump(void) } EXPORT_SYMBOL(qe_muram_dump); -void *qe_muram_addr(u32 offset) +void *qe_muram_addr(unsigned long offset) { return (void *)&qe_immr->muram[offset]; } diff --git a/arch/powerpc/sysdev/qe_lib/ucc_fast.c b/arch/powerpc/sysdev/qe_lib/ucc_fast.c index 66137bf2dfb0..9143236853fc 100644 --- a/arch/powerpc/sysdev/qe_lib/ucc_fast.c +++ b/arch/powerpc/sysdev/qe_lib/ucc_fast.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/stddef.h> #include <linux/interrupt.h> +#include <linux/err.h> #include <asm/io.h> #include <asm/immap_qe.h> @@ -268,7 +269,7 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc /* Allocate memory for Tx Virtual Fifo */ uccf->ucc_fast_tx_virtual_fifo_base_offset = qe_muram_alloc(uf_info->utfs, UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); - if (IS_MURAM_ERR(uccf->ucc_fast_tx_virtual_fifo_base_offset)) { + if (IS_ERR_VALUE(uccf->ucc_fast_tx_virtual_fifo_base_offset)) { printk(KERN_ERR "%s: cannot allocate MURAM for TX FIFO", __FUNCTION__); uccf->ucc_fast_tx_virtual_fifo_base_offset = 0; ucc_fast_free(uccf); @@ -280,7 +281,7 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc qe_muram_alloc(uf_info->urfs + UCC_FAST_RECEIVE_VIRTUAL_FIFO_SIZE_FUDGE_FACTOR, UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); - if (IS_MURAM_ERR(uccf->ucc_fast_rx_virtual_fifo_base_offset)) { + if (IS_ERR_VALUE(uccf->ucc_fast_rx_virtual_fifo_base_offset)) { printk(KERN_ERR "%s: cannot allocate MURAM for RX FIFO", __FUNCTION__); uccf->ucc_fast_rx_virtual_fifo_base_offset = 0; ucc_fast_free(uccf); diff --git a/arch/powerpc/sysdev/qe_lib/ucc_slow.c b/arch/powerpc/sysdev/qe_lib/ucc_slow.c index b930d686a4d1..1f65c26ce63f 100644 --- a/arch/powerpc/sysdev/qe_lib/ucc_slow.c +++ b/arch/powerpc/sysdev/qe_lib/ucc_slow.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/stddef.h> #include <linux/interrupt.h> +#include <linux/err.h> #include <asm/io.h> #include <asm/immap_qe.h> @@ -175,7 +176,7 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc /* Get PRAM base */ uccs->us_pram_offset = qe_muram_alloc(UCC_SLOW_PRAM_SIZE, ALIGNMENT_OF_UCC_SLOW_PRAM); - if (IS_MURAM_ERR(uccs->us_pram_offset)) { + if (IS_ERR_VALUE(uccs->us_pram_offset)) { printk(KERN_ERR "%s: cannot allocate MURAM for PRAM", __FUNCTION__); ucc_slow_free(uccs); return -ENOMEM; @@ -210,7 +211,7 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc uccs->rx_base_offset = qe_muram_alloc(us_info->rx_bd_ring_len * sizeof(struct qe_bd), QE_ALIGNMENT_OF_BD); - if (IS_MURAM_ERR(uccs->rx_base_offset)) { + if (IS_ERR_VALUE(uccs->rx_base_offset)) { printk(KERN_ERR "%s: cannot allocate RX BDs", __FUNCTION__); uccs->rx_base_offset = 0; ucc_slow_free(uccs); @@ -220,7 +221,7 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc uccs->tx_base_offset = qe_muram_alloc(us_info->tx_bd_ring_len * sizeof(struct qe_bd), QE_ALIGNMENT_OF_BD); - if (IS_MURAM_ERR(uccs->tx_base_offset)) { + if (IS_ERR_VALUE(uccs->tx_base_offset)) { printk(KERN_ERR "%s: cannot allocate TX BDs", __FUNCTION__); uccs->tx_base_offset = 0; ucc_slow_free(uccs); diff --git a/arch/powerpc/sysdev/rom.c b/arch/powerpc/sysdev/rom.c deleted file mode 100644 index c855a3b298a3..000000000000 --- a/arch/powerpc/sysdev/rom.c +++ /dev/null @@ -1,32 +0,0 @@ -/* - * ROM device registration - * - * (C) 2006 MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include <linux/kernel.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> - -static int __init powerpc_flash_init(void) -{ - struct device_node *node = NULL; - - /* - * Register all the devices which type is "rom" - */ - while ((node = of_find_node_by_type(node, "rom")) != NULL) { - if (node->name == NULL) { - printk(KERN_WARNING "powerpc_flash_init: found 'rom' " - "device, but with no name, skipping...\n"); - continue; - } - of_platform_device_create(node, node->name, NULL); - } - return 0; -} - -arch_initcall(powerpc_flash_init); diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c index 337039ee51e6..7d3b09b7d544 100644 --- a/arch/powerpc/sysdev/tsi108_dev.c +++ b/arch/powerpc/sysdev/tsi108_dev.c @@ -107,8 +107,9 @@ static int __init tsi108_eth_of_init(void) goto err; } - mac_addr = of_get_property(np, "address", NULL); - memcpy(tsi_eth_data.mac_addr, mac_addr, 6); + mac_addr = of_get_mac_address(np); + if (mac_addr) + memcpy(tsi_eth_data.mac_addr, mac_addr, 6); ph = of_get_property(np, "phy-handle", NULL); phy = of_find_node_by_phandle(*ph); @@ -129,6 +130,8 @@ static int __init tsi108_eth_of_init(void) tsi_eth_data.phyregs = res.start; tsi_eth_data.phy = *phy_id; tsi_eth_data.irq_num = irq_of_parse_and_map(np, 0); + if (of_device_is_compatible(phy, "bcm54xx")) + tsi_eth_data.phy_type = TSI108_PHY_BCM54XX; of_node_put(phy); ret = platform_device_add_data(tsi_eth_dev, &tsi_eth_data, diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c index 58b9e7f8abf2..2153163fa593 100644 --- a/arch/powerpc/sysdev/tsi108_pci.c +++ b/arch/powerpc/sysdev/tsi108_pci.c @@ -35,6 +35,7 @@ #include <asm/machdep.h> #include <asm/pci-bridge.h> #include <asm/tsi108.h> +#include <asm/tsi108_pci.h> #include <asm/tsi108_irq.h> #include <asm/prom.h> @@ -49,6 +50,7 @@ ((((bus)<<16) | ((devfunc)<<8) | (offset & 0xfc)) + tsi108_pci_cfg_base) u32 tsi108_pci_cfg_base; +static u32 tsi108_pci_cfg_phys; u32 tsi108_csr_vir_base; static struct device_node *pci_irq_node; static struct irq_host *pci_irq_host; @@ -185,7 +187,7 @@ tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn, int offset, void tsi108_clear_pci_cfg_error(void) { - tsi108_clear_pci_error(TSI108_PCI_CFG_BASE_PHYS); + tsi108_clear_pci_error(tsi108_pci_cfg_phys); } static struct pci_ops tsi108_direct_pci_ops = { @@ -193,17 +195,17 @@ static struct pci_ops tsi108_direct_pci_ops = { tsi108_direct_write_config }; -int __init tsi108_setup_pci(struct device_node *dev) +int __init tsi108_setup_pci(struct device_node *dev, u32 cfg_phys, int primary) { int len; struct pci_controller *hose; struct resource rsrc; const int *bus_range; - int primary = 0, has_address = 0; + int has_address = 0; /* PCI Config mapping */ - tsi108_pci_cfg_base = (u32)ioremap(TSI108_PCI_CFG_BASE_PHYS, - TSI108_PCI_CFG_SIZE); + tsi108_pci_cfg_base = (u32)ioremap(cfg_phys, TSI108_PCI_CFG_SIZE); + tsi108_pci_cfg_phys = cfg_phys; DBG("TSI_PCI: %s tsi108_pci_cfg_base=0x%x\n", __FUNCTION__, tsi108_pci_cfg_base); diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c index 968fb40af9dc..89059895a20d 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/sysdev/uic.c @@ -221,7 +221,7 @@ static struct uic * __init uic_init_one(struct device_node *node) const u32 *indexp, *dcrreg; int len; - BUG_ON(! device_is_compatible(node, "ibm,uic")); + BUG_ON(! of_device_is_compatible(node, "ibm,uic")); uic = alloc_bootmem(sizeof(*uic)); if (! uic) |