C++ (Cpp) rpci_write_long示例

示例#1

文件： gfxnvidia.c 项目： bluemutedwisdom/flashrom

int gfxnvidia_init(void)
{
	uint32_t reg32;

	if (rget_io_perms())
		return 1;

	io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, gfx_nvidia);

	io_base_addr += 0x300000;
	msg_pinfo("Detected NVIDIA I/O base address: 0x%x.\n", io_base_addr);

	nvidia_bar = physmap("NVIDIA", io_base_addr, GFXNVIDIA_MEMMAP_SIZE);

	/* Must be done before rpci calls. */
	if (register_shutdown(gfxnvidia_shutdown, NULL))
		return 1;

	/* Allow access to flash interface (will disable screen). */
	reg32 = pci_read_long(pcidev_dev, 0x50);
	reg32 &= ~(1 << 0);
	rpci_write_long(pcidev_dev, 0x50, reg32);

	/* Write/erase doesn't work. */
	programmer_may_write = 0;
	register_par_programmer(&par_programmer_gfxnvidia, BUS_PARALLEL);

	return 0;
}

示例#2

文件： gfxnvidia.c 项目： ya-mouse/dos-utils

int gfxnvidia_init(void)
{
	uint32_t reg32;

	get_io_perms();

	io_base_addr = pcidev_init(PCI_VENDOR_ID_NVIDIA, PCI_BASE_ADDRESS_0,
				   gfx_nvidia);

	io_base_addr += 0x300000;
	msg_pinfo("Detected NVIDIA I/O base address: 0x%x.\n", io_base_addr);

	/* Allow access to flash interface (will disable screen). */
	reg32 = pci_read_long(pcidev_dev, 0x50);
	reg32 &= ~(1 << 0);
	rpci_write_long(pcidev_dev, 0x50, reg32);

	nvidia_bar = physmap("NVIDIA", io_base_addr, 16 * 1024 * 1024);

	buses_supported = CHIP_BUSTYPE_PARALLEL;

	/* Write/erase doesn't work. */
	programmer_may_write = 0;

	return 0;
}

示例#3

文件： atahpt.c 项目： flashrom/flashrom

int atahpt_init(void)
{
	struct pci_dev *dev = NULL;
	uint32_t reg32;

	if (rget_io_perms())
		return 1;

	dev = pcidev_init(ata_hpt, PCI_BASE_ADDRESS_4);
	if (!dev)
		return 1;

	io_base_addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_4);
	if (!io_base_addr)
		return 1;

	/* Enable flash access. */
	reg32 = pci_read_long(dev, REG_FLASH_ACCESS);
	reg32 |= (1 << 24);
	rpci_write_long(dev, REG_FLASH_ACCESS, reg32);

	register_par_master(&par_master_atahpt, BUS_PARALLEL);

	return 0;
}