コード例 #1
0
ファイル: mainboard.c プロジェクト: kleopatra999/coreboot
static void mainboard_init(device_t dev)
{
	char **vpd_region_ptr = NULL;
	u32 search_length = find_fmap_entry("RO_VPD", (void **)vpd_region_ptr);
	u32 search_address = (unsigned long)(*vpd_region_ptr);
	u16 io_base = 0;
	struct device *ethernet_dev = NULL;

	/* Initialize the Embedded Controller */
	butterfly_ec_init();

	/* Program EC Keyboard locale based on VPD data */
	program_keyboard_type(search_address, search_length);

	/* Get NIC's IO base address */
	ethernet_dev = dev_find_device(BUTTERFLY_NIC_VENDOR_ID,
				       BUTTERFLY_NIC_DEVICE_ID, dev);
	if (ethernet_dev != NULL) {
		io_base = pci_read_config16(ethernet_dev, 0x10) & 0xfffe;

		/*
		 * Battery life time - LAN PCIe should enter ASPM L1 to save
		 * power when LAN connection is idle.
		 * enable CLKREQ: LAN pci config space 0x81h=01
		 */
		pci_write_config8(ethernet_dev, 0x81, 0x01);
	}

	if (io_base) {
		/* Program MAC address based on VPD data */
		program_mac_address(io_base, search_address, search_length);

		/*
		 * Program NIC LEDS
		 *
		 * RTL8105E Series EEPROM-Less Application Note,
		 * Section 5.6 LED Mode Configuration
		 *
		 * Step1: Write C0h to I/O register 0x50 via byte access to
		 *        disable 'register protection'
		 * Step2: Write xx001111b to I/O register 0x52 via byte access
		 *        (bit7 is LEDS1 and bit6 is LEDS0)
		 * Step3: Write 0x00 to I/O register 0x50 via byte access to
		 *        enable 'register protection'
		 */
		outb(0xc0, io_base + 0x50);	/* Disable protection */
		outb((BUTTERFLY_NIC_LED_MODE << 6) | 0x0f, io_base + 0x52);
		outb(0x00, io_base + 0x50);	/* Enable register protection */
	}
}
コード例 #2
0
ファイル: mainboard.c プロジェクト: killbug2004/coreboot
static void mainboard_init(device_t dev)
{
    u32 search_address = 0x0;
    size_t search_length = -1;
    u16 io_base = 0;
    struct device *ethernet_dev = NULL;
    void *vpd_file;

    if (IS_ENABLED(CONFIG_CHROMEOS)) {
        struct region_device rdev;

        if (fmap_locate_area_as_rdev("RO_VPD", &rdev) == 0) {
            vpd_file = rdev_mmap_full(&rdev);

            if (vpd_file != NULL) {
                search_length = region_device_sz(&rdev);
                search_address = (uintptr_t)vpd_file;
            }
        }
    } else {
        vpd_file = cbfs_boot_map_with_leak("vpd.bin", CBFS_TYPE_RAW,
                                           &search_length);
        if (vpd_file) {
            search_address = (unsigned long)vpd_file;
        } else {
            search_length = -1;
            search_address = 0;
        }
    }

    /* Initialize the Embedded Controller */
    butterfly_ec_init();

    /* Program EC Keyboard locale based on VPD data */
    program_keyboard_type(search_address, search_length);

    /* Get NIC's IO base address */
    ethernet_dev = dev_find_device(BUTTERFLY_NIC_VENDOR_ID,
                                   BUTTERFLY_NIC_DEVICE_ID, dev);
    if (ethernet_dev != NULL) {
        io_base = pci_read_config16(ethernet_dev, 0x10) & 0xfffe;

        /*
         * Battery life time - LAN PCIe should enter ASPM L1 to save
         * power when LAN connection is idle.
         * enable CLKREQ: LAN pci config space 0x81h=01
         */
        pci_write_config8(ethernet_dev, 0x81, 0x01);
    }

    if (io_base) {
        /* Program MAC address based on VPD data */
        program_mac_address(io_base, search_address, search_length);

        /*
         * Program NIC LEDS
         *
         * RTL8105E Series EEPROM-Less Application Note,
         * Section 5.6 LED Mode Configuration
         *
         * Step1: Write C0h to I/O register 0x50 via byte access to
         *        disable 'register protection'
         * Step2: Write xx001111b to I/O register 0x52 via byte access
         *        (bit7 is LEDS1 and bit6 is LEDS0)
         * Step3: Write 0x00 to I/O register 0x50 via byte access to
         *        enable 'register protection'
         */
        outb(0xc0, io_base + 0x50);	/* Disable protection */
        outb((BUTTERFLY_NIC_LED_MODE << 6) | 0x0f, io_base + 0x52);
        outb(0x00, io_base + 0x50);	/* Enable register protection */
    }
}