diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci')
| -rw-r--r-- | ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/Makefile | 5 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/bios.c | 129 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/dma.c | 50 |
3 files changed, 0 insertions, 184 deletions
diff --git a/ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/Makefile b/ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/Makefile deleted file mode 100644 index bff7482f..00000000 --- a/ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for Etrax cardbus driver -# - -obj-$(CONFIG_ETRAX_CARDBUS) += bios.o dma.o diff --git a/ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/bios.c b/ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/bios.c deleted file mode 100644 index bc0cfdad..00000000 --- a/ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/bios.c +++ /dev/null @@ -1,129 +0,0 @@ -#include <linux/pci.h> -#include <linux/kernel.h> -#include <arch/hwregs/intr_vect.h> - -void __devinit pcibios_fixup_bus(struct pci_bus *b) -{ -} - -char * __devinit pcibios_setup(char *str) -{ - return NULL; -} - -void pcibios_set_master(struct pci_dev *dev) -{ - u8 lat; - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); - printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); -} - -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine) -{ - unsigned long prot; - - /* Leave vm_pgoff as-is, the PCI space address is the physical - * address on this platform. - */ - prot = pgprot_val(vma->vm_page_prot); - vma->vm_page_prot = __pgprot(prot); - - /* Write-combine setting is ignored, it is changed via the mtrr - * interfaces on this platform. - */ - if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, - vma->vm_end - vma->vm_start, - vma->vm_page_prot)) - return -EAGAIN; - - return 0; -} - -resource_size_t -pcibios_align_resource(void *data, const struct resource *res, - resource_size_t size, resource_size_t align) -{ - resource_size_t start = res->start; - - if ((res->flags & IORESOURCE_IO) && (start & 0x300)) - start = (start + 0x3ff) & ~0x3ff; - - return start; -} - -int pcibios_enable_resources(struct pci_dev *dev, int mask) -{ - u16 cmd, old_cmd; - int idx; - struct resource *r; - - pci_read_config_word(dev, PCI_COMMAND, &cmd); - old_cmd = cmd; - for(idx=0; idx<6; idx++) { - /* Only set up the requested stuff */ - if (!(mask & (1<<idx))) - continue; - - r = &dev->resource[idx]; - if (!r->start && r->end) { - printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev)); - return -EINVAL; - } - if (r->flags & IORESOURCE_IO) - cmd |= PCI_COMMAND_IO; - if (r->flags & IORESOURCE_MEM) - cmd |= PCI_COMMAND_MEMORY; - } - if (dev->resource[PCI_ROM_RESOURCE].start) - cmd |= PCI_COMMAND_MEMORY; - if (cmd != old_cmd) { - printk("PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd); - pci_write_config_word(dev, PCI_COMMAND, cmd); - } - return 0; -} - -int pcibios_enable_irq(struct pci_dev *dev) -{ - dev->irq = EXT_INTR_VECT; - return 0; -} - -int pcibios_enable_device(struct pci_dev *dev, int mask) -{ - int err; - - if ((err = pcibios_enable_resources(dev, mask)) < 0) - return err; - - if (!dev->msi_enabled) - pcibios_enable_irq(dev); - return 0; -} - -int pcibios_assign_resources(void) -{ - struct pci_dev *dev = NULL; - int idx; - struct resource *r; - - while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { - int class = dev->class >> 8; - - /* Don't touch classless devices and host bridges */ - if (!class || class == PCI_CLASS_BRIDGE_HOST) - continue; - - for(idx=0; idx<6; idx++) { - r = &dev->resource[idx]; - - if (!r->start && r->end) - pci_assign_resource(dev, idx); - } - } - return 0; -} - -EXPORT_SYMBOL(pcibios_assign_resources); diff --git a/ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/dma.c b/ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/dma.c deleted file mode 100644 index ee55578d..00000000 --- a/ANDROID_3.4.5/arch/cris/arch-v32/drivers/pci/dma.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Dynamic DMA mapping support. - * - * On cris there is no hardware dynamic DMA address translation, - * so consistent alloc/free are merely page allocation/freeing. - * The rest of the dynamic DMA mapping interface is implemented - * in asm/pci.h. - * - * Borrowed from i386. - */ - -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/string.h> -#include <linux/pci.h> -#include <linux/gfp.h> -#include <asm/io.h> - -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) -{ - void *ret; - int order = get_order(size); - /* ignore region specifiers */ - gfp &= ~(__GFP_DMA | __GFP_HIGHMEM); - - if (dma_alloc_from_coherent(dev, size, dma_handle, &ret)) - return ret; - - if (dev == NULL || (dev->coherent_dma_mask < 0xffffffff)) - gfp |= GFP_DMA; - - ret = (void *)__get_free_pages(gfp, order); - - if (ret != NULL) { - memset(ret, 0, size); - *dma_handle = virt_to_phys(ret); - } - return ret; -} - -void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) -{ - int order = get_order(size); - - if (!dma_release_from_coherent(dev, order, vaddr)) - free_pages((unsigned long)vaddr, order); -} - |