C++ (Cpp) ks8695_local_writeconfig Exemples

Exemple #1

Fichier : pci.c Projet : Jackeagle/android_kernel_sony_c2305

static int __init ks8695_pci_setup(int nr, struct pci_sys_data *sys)
{
	if (nr > 0)
		return 0;

	request_resource(&iomem_resource, &pci_mem);
	request_resource(&ioport_resource, &pci_io);

	pci_add_resource_offset(&sys->resources, &pci_io, sys->io_offset);
	pci_add_resource_offset(&sys->resources, &pci_mem, sys->mem_offset);

	/* Assign and enable processor bridge */
	ks8695_local_writeconfig(PCI_BASE_ADDRESS_0, KS8695_PCIMEM_PA);

	/* Enable bus-master & Memory Space access */
	ks8695_local_writeconfig(PCI_COMMAND, PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);

	/* Set cache-line size & latency. */
	ks8695_local_writeconfig(PCI_CACHE_LINE_SIZE, (32 << 8) | (L1_CACHE_BYTES / sizeof(u32)));

	/* Reserve PCI memory space for PCI-AHB resources */
	if (!request_mem_region(KS8695_PCIMEM_PA, SZ_64M, "PCI-AHB Bridge")) {
		printk(KERN_ERR "Cannot allocate PCI-AHB Bridge memory.\n");
		return -EBUSY;
	}

	return 1;
}

Exemple #2

static int __init ks8695_pci_setup(int nr, struct pci_sys_data *sys)
{
	if (nr > 0)
		return 0;

	request_resource(&iomem_resource, &pci_mem);
	request_resource(&ioport_resource, &pci_io);

	sys->resource[0] = &pci_io;
	sys->resource[1] = &pci_mem;
	sys->resource[2] = NULL;

	
	ks8695_local_writeconfig(PCI_BASE_ADDRESS_0, KS8695_PCIMEM_PA);

	
	ks8695_local_writeconfig(PCI_COMMAND, PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);

	
	ks8695_local_writeconfig(PCI_CACHE_LINE_SIZE, (32 << 8) | (L1_CACHE_BYTES / sizeof(u32)));

	
	if (!request_mem_region(KS8695_PCIMEM_PA, SZ_64M, "PCI-AHB Bridge")) {
		printk(KERN_ERR "Cannot allocate PCI-AHB Bridge memory.\n");
		return -EBUSY;
	}

	return 1;
}