コード例 #1
0
static void serial_find_console_or_panic(void)
{
#ifdef CONFIG_OF_CONTROL
	int node;

	/* Check for a chosen console */
	node = fdtdec_get_chosen_node(gd->fdt_blob, "stdout-path");
	if (node < 0)
		node = fdtdec_get_alias_node(gd->fdt_blob, "console");
	if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node, &cur_dev))
		return;

	/*
	 * If the console is not marked to be bound before relocation, bind
	 * it anyway.
	 */
	if (node > 0 &&
	    !lists_bind_fdt(gd->dm_root, gd->fdt_blob, node, &cur_dev)) {
		if (!device_probe(cur_dev))
			return;
		cur_dev = NULL;
	}
#endif
	/*
	 * Failing that, get the device with sequence number 0, or in extremis
	 * just the first serial device we can find. But we insist on having
	 * a console (even if it is silent).
	 */
	if (uclass_get_device_by_seq(UCLASS_SERIAL, 0, &cur_dev) &&
	    (uclass_first_device(UCLASS_SERIAL, &cur_dev) || !cur_dev))
		panic("No serial driver found");
}
コード例 #2
0
ファイル: mmc-uclass.c プロジェクト: OpenPhoenux/gta04-uboot
void print_mmc_devices(char separator)
{
	struct udevice *dev;
	char *mmc_type;
	bool first = true;

	for (uclass_first_device(UCLASS_MMC, &dev);
	     dev;
	     uclass_next_device(&dev), first = false) {
		struct mmc *m = mmc_get_mmc_dev(dev);

		if (!first) {
			printf("%c", separator);
			if (separator != '\n')
				puts(" ");
		}
		if (m->has_init)
			mmc_type = IS_SD(m) ? "SD" : "eMMC";
		else
			mmc_type = NULL;

		printf("%s: %d", m->cfg->name, mmc_get_blk_desc(m)->devnum);
		if (mmc_type)
			printf(" (%s)", mmc_type);
	}

	printf("\n");
}
コード例 #3
0
ファイル: core.c プロジェクト: LCameron/xilinx-uboot
/* Remove and recreate everything, check for memory leaks */
static int dm_test_leak(struct unit_test_state *uts)
{
	int i;

	for (i = 0; i < 2; i++) {
		struct udevice *dev;
		int ret;
		int id;

		dm_leak_check_start(uts);

		ut_assertok(dm_scan_platdata(false));
		ut_assertok(dm_scan_fdt(gd->fdt_blob, false));

		/* Scanning the uclass is enough to probe all the devices */
		for (id = UCLASS_ROOT; id < UCLASS_COUNT; id++) {
			for (ret = uclass_first_device(UCLASS_TEST, &dev);
			     dev;
			     ret = uclass_next_device(&dev))
				;
			ut_assertok(ret);
		}

		ut_assertok(dm_leak_check_end(uts));
	}

	return 0;
}
コード例 #4
0
ファイル: gpio-uclass.c プロジェクト: AnAtom/u-boot-sunxi
int gpio_lookup_name(const char *name, struct device **devp,
		     unsigned int *offsetp, unsigned int *gpiop)
{
	struct gpio_dev_priv *uc_priv;
	struct device *dev;
	int ret;

	if (devp)
		*devp = NULL;
	for (ret = uclass_first_device(UCLASS_GPIO, &dev);
	     dev;
	     ret = uclass_next_device(&dev)) {
		ulong offset;
		int len;

		uc_priv = dev->uclass_priv;
		len = uc_priv->bank_name ? strlen(uc_priv->bank_name) : 0;

		if (!strncmp(name, uc_priv->bank_name, len)) {
			if (strict_strtoul(name + len, 10, &offset))
				continue;
			if (devp)
				*devp = dev;
			if (offsetp)
				*offsetp = offset;
			if (gpiop)
				*gpiop = uc_priv->gpio_base + offset;
			return 0;
		}
	}

	return ret ? ret : -EINVAL;
}
コード例 #5
0
ファイル: eth-uclass.c プロジェクト: SunnyBrother/u-boot-at91
void eth_set_current_to_next(void)
{
	struct eth_uclass_priv *uc_priv;

	uc_priv = eth_get_uclass_priv();
	if (uc_priv->current)
		uclass_next_device(&uc_priv->current);
	if (!uc_priv->current)
		uclass_first_device(UCLASS_ETH, &uc_priv->current);
}
コード例 #6
0
ファイル: eth-uclass.c プロジェクト: SunnyBrother/u-boot-at91
/*
 * Typically this will simply return the active device.
 * In the case where the most recent active device was unset, this will attempt
 * to return the first device. If that device doesn't exist or fails to probe,
 * this function will return NULL.
 */
struct udevice *eth_get_dev(void)
{
	struct eth_uclass_priv *uc_priv;

	uc_priv = eth_get_uclass_priv();
	if (!uc_priv->current)
		eth_errno = uclass_first_device(UCLASS_ETH,
				    &uc_priv->current);
	return uc_priv->current;
}
コード例 #7
0
ファイル: test-main.c プロジェクト: Android4SAM/u-boot-at91
/* Ensure all the test devices are probed */
static int do_autoprobe(struct dm_test_state *dms)
{
	struct udevice *dev;
	int ret;

	/* Scanning the uclass is enough to probe all the devices */
	for (ret = uclass_first_device(UCLASS_TEST, &dev);
	     dev;
	     ret = uclass_next_device(&dev))
		;

	return ret;
}
コード例 #8
0
ファイル: eth-uclass.c プロジェクト: SunnyBrother/u-boot-at91
int eth_initialize(void)
{
	int num_devices = 0;
	struct udevice *dev;

	eth_common_init();

	/*
	 * Devices need to write the hwaddr even if not started so that Linux
	 * will have access to the hwaddr that u-boot stored for the device.
	 * This is accomplished by attempting to probe each device and calling
	 * their write_hwaddr() operation.
	 */
	uclass_first_device(UCLASS_ETH, &dev);
	if (!dev) {
		printf("No ethernet found.\n");
		bootstage_error(BOOTSTAGE_ID_NET_ETH_START);
	} else {
		char *ethprime = getenv("ethprime");
		struct udevice *prime_dev = NULL;

		if (ethprime)
			prime_dev = eth_get_dev_by_name(ethprime);
		if (prime_dev) {
			eth_set_dev(prime_dev);
			eth_current_changed();
		} else {
			eth_set_dev(NULL);
		}

		bootstage_mark(BOOTSTAGE_ID_NET_ETH_INIT);
		do {
			if (num_devices)
				printf(", ");

			printf("eth%d: %s", dev->seq, dev->name);

			if (ethprime && dev == prime_dev)
				printf(" [PRIME]");

			eth_write_hwaddr(dev);

			uclass_next_device(&dev);
			num_devices++;
		} while (dev);

		putc('\n');
	}

	return num_devices;
}
コード例 #9
0
static int do_gpio_status(bool all, const char *gpio_name)
{
	struct udevice *dev;
	int banklen;
	int flags;
	int ret;

	flags = 0;
	if (gpio_name && !*gpio_name)
		gpio_name = NULL;
	for (ret = uclass_first_device(UCLASS_GPIO, &dev);
	     dev;
	     ret = uclass_next_device(&dev)) {
		const char *bank_name;
		int num_bits;

		flags |= FLAG_SHOW_BANK;
		if (all)
			flags |= FLAG_SHOW_ALL;
		bank_name = gpio_get_bank_info(dev, &num_bits);
		if (!num_bits) {
			debug("GPIO device %s has no bits\n", dev->name);
			continue;
		}
		banklen = bank_name ? strlen(bank_name) : 0;

		if (!gpio_name || !bank_name ||
		    !strncmp(gpio_name, bank_name, banklen)) {
			const char *p = NULL;
			int offset;

			p = gpio_name + banklen;
			if (gpio_name && *p) {
				offset = simple_strtoul(p, NULL, 10);
				gpio_get_description(dev, bank_name, offset,
						     &flags);
			} else {
				for (offset = 0; offset < num_bits; offset++) {
					gpio_get_description(dev, bank_name,
							     offset, &flags);
				}
			}
		}
		/* Add a newline between bank names */
		if (!(flags & FLAG_SHOW_BANK))
			flags |= FLAG_SHOW_NEWLINE;
	}

	return ret;
}
コード例 #10
0
ファイル: core.c プロジェクト: LCameron/xilinx-uboot
static int dm_test_uclass_devices_get(struct unit_test_state *uts)
{
	struct udevice *dev;
	int ret;

	for (ret = uclass_first_device(UCLASS_TEST, &dev);
	     dev;
	     ret = uclass_next_device(&dev)) {
		ut_assert(!ret);
		ut_assert(dev);
		ut_assert(device_active(dev));
	}

	return 0;
}
コード例 #11
0
static void serial_find_console_or_panic(void)
{
	struct udevice *dev;

#ifdef CONFIG_OF_CONTROL
	int node;

	/* Check for a chosen console */
	node = fdtdec_get_chosen_node(gd->fdt_blob, "stdout-path");
	if (node < 0)
		node = fdt_path_offset(gd->fdt_blob, "console");
	if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node, &dev)) {
		gd->cur_serial_dev = dev;
		return;
	}

	/*
	 * If the console is not marked to be bound before relocation, bind
	 * it anyway.
	 */
	if (node > 0 &&
	    !lists_bind_fdt(gd->dm_root, gd->fdt_blob, node, &dev)) {
		if (!device_probe(dev)) {
			gd->cur_serial_dev = dev;
			return;
		}
	}
#endif
	/*
	 * Try to use CONFIG_CONS_INDEX if available (it is numbered from 1!).
	 *
	 * Failing that, get the device with sequence number 0, or in extremis
	 * just the first serial device we can find. But we insist on having
	 * a console (even if it is silent).
	 */
#ifdef CONFIG_CONS_INDEX
#define INDEX (CONFIG_CONS_INDEX - 1)
#else
#define INDEX 0
#endif
	if (uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) &&
	    uclass_get_device(UCLASS_SERIAL, INDEX, &dev) &&
	    (uclass_first_device(UCLASS_SERIAL, &dev) || !dev))
		panic("No serial driver found");
#undef INDEX
	gd->cur_serial_dev = dev;
}
コード例 #12
0
ファイル: bmp.c プロジェクト: 96boards-bubblegum/u-boot
/*
 * Subroutine:  bmp_display
 *
 * Description: Display bmp file located in memory
 *
 * Inputs:	addr		address of the bmp file
 *
 * Return:      None
 *
 */
int bmp_display(ulong addr, int x, int y)
{
#ifdef CONFIG_DM_VIDEO
	struct udevice *dev;
#endif
	int ret;
	struct bmp_image *bmp = map_sysmem(addr, 0);
	void *bmp_alloc_addr = NULL;
	unsigned long len;

	if (!((bmp->header.signature[0]=='B') &&
	      (bmp->header.signature[1]=='M')))
		bmp = gunzip_bmp(addr, &len, &bmp_alloc_addr);

	if (!bmp) {
		printf("There is no valid bmp file at the given address\n");
		return 1;
	}
	addr = map_to_sysmem(bmp);

#ifdef CONFIG_DM_VIDEO
	ret = uclass_first_device(UCLASS_VIDEO, &dev);
	if (!ret) {
		if (!dev)
			ret = -ENODEV;
		if (!ret) {
			bool align = false;

# ifdef CONFIG_SPLASH_SCREEN_ALIGN
			align = true;
# endif /* CONFIG_SPLASH_SCREEN_ALIGN */
			ret = video_bmp_display(dev, addr, x, y, align);
		}
	}
#elif defined(CONFIG_LCD)
	ret = lcd_display_bitmap(addr, x, y);
#elif defined(CONFIG_VIDEO)
	ret = video_display_bitmap(addr, x, y);
#else
# error bmp_display() requires CONFIG_LCD or CONFIG_VIDEO
#endif

	if (bmp_alloc_addr)
		free(bmp_alloc_addr);

	return ret ? CMD_RET_FAILURE : 0;
}
コード例 #13
0
ファイル: gpio-uclass.c プロジェクト: KunYi/uboot-samx6i
int gpio_lookup_name(const char *name, struct udevice **devp,
		     unsigned int *offsetp, unsigned int *gpiop)
{
	struct gpio_dev_priv *uc_priv = NULL;
	struct udevice *dev;
	ulong offset;
	int numeric;
	int ret;

	if (devp)
		*devp = NULL;
	numeric = isdigit(*name) ? simple_strtoul(name, NULL, 10) : -1;
	for (ret = uclass_first_device(UCLASS_GPIO, &dev);
	     dev;
	     ret = uclass_next_device(&dev)) {
		int len;

		uc_priv = dev->uclass_priv;
		if (numeric != -1) {
			offset = numeric - uc_priv->gpio_base;
			/* Allow GPIOs to be numbered from 0 */
			if (offset >= 0 && offset < uc_priv->gpio_count)
				break;
		}

		len = uc_priv->bank_name ? strlen(uc_priv->bank_name) : 0;

		if (!strncasecmp(name, uc_priv->bank_name, len)) {
			if (!strict_strtoul(name + len, 10, &offset))
				break;
		}
	}

	if (!dev)
		return ret ? ret : -EINVAL;

	if (devp)
		*devp = dev;
	if (offsetp)
		*offsetp = offset;
	if (gpiop)
		*gpiop = uc_priv->gpio_base + offset;

	return 0;
}
コード例 #14
0
int reset_walk(enum reset_t type)
{
	struct udevice *dev;
	int ret = -ENOSYS;

	while (ret != -EINPROGRESS && type < RESET_COUNT) {
		for (uclass_first_device(UCLASS_RESET, &dev);
		     dev;
		     uclass_next_device(&dev)) {
			ret = reset_request(dev, type);
			if (ret == -EINPROGRESS)
				break;
		}
		type++;
	}

	return ret;
}
コード例 #15
0
int arch_cpu_init_dm(void)
{
	struct udevice *dev;
	int ret;

	ret = uclass_first_device(UCLASS_CPU, &dev);
	if (ret)
		return ret;
	if (!dev)
		return -ENODEV;

	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
#ifndef CONFIG_ROM_STUBS
	copy_exception_trampoline();
#endif

	return 0;
}
コード例 #16
0
ファイル: pic32_flash.c プロジェクト: Philippe12/u-boot-sunxi
unsigned long flash_init(void)
{
	unsigned long size = 0;
	struct udevice *dev;
	int bank;

	/* probe every MTD device */
	for (uclass_first_device(UCLASS_MTD, &dev); dev;
	     uclass_next_device(&dev)) {
		/* nop */
	}

	/* calc total flash size */
	for (bank = 0; bank < CONFIG_SYS_MAX_FLASH_BANKS; ++bank)
		size += flash_info[bank].size;

	return size;
}
コード例 #17
0
int arch_misc_init(void)
{
	struct udevice *dev;
	int ret;

	ret = uclass_first_device(UCLASS_MISC, &dev);
	if (ret || !dev)
		return ret;

#if defined(CONFIG_DM_ETH) && defined(CONFIG_USB_ETHER)
	ret = usb_ether_init();
	if (ret) {
		pr_err("USB ether init failed\n");
		return ret;
	}
#endif

	return 0;
}
コード例 #18
0
ファイル: core.c プロジェクト: LCameron/xilinx-uboot
static int dm_test_uclass_devices_get_by_name(struct unit_test_state *uts)
{
	struct udevice *finddev;
	struct udevice *testdev;
	int ret, findret;

	/*
	 * For each test device found in fdt like: "a-test", "b-test", etc.,
	 * use its name and try to get it by uclass_get_device_by_name().
	 * On success check if:
	 * - returned finddev' is active
	 * - current 'testdev' name is equal to the returned 'finddev' name
	 * - current 'testdev' pointer is equal to the returned 'finddev'
	 *
	 * We asserts that the 'testdev' is active on each loop entry, so we
	 * could be sure that the 'finddev' is activated too, but for sure
	 * we check it again.
	 *
	 * We assume that, each uclass's device name is unique, so if not, then
	 * this will fail on checking condition: testdev == finddev, since the
	 * uclass_get_device_by_name(), returns the first device by given name.
	*/
	for (ret = uclass_first_device(UCLASS_TEST_FDT, &testdev);
	     testdev;
	     ret = uclass_next_device(&testdev)) {
		ut_assertok(ret);
		ut_assert(testdev);
		ut_assert(device_active(testdev));

		findret = uclass_get_device_by_name(UCLASS_TEST_FDT,
						    testdev->name,
						    &finddev);

		ut_assertok(findret);
		ut_assert(finddev);
		ut_assert(device_active(finddev));
		ut_asserteq_str(testdev->name, finddev->name);
		ut_asserteq_ptr(testdev, finddev);
	}

	return 0;
}
コード例 #19
0
ファイル: core.c プロジェクト: Android4SAM/u-boot-at91
/* Remove and recreate everything, check for memory leaks */
static int dm_test_leak(struct dm_test_state *dms)
{
	int i;

	for (i = 0; i < 2; i++) {
		struct mallinfo start, end;
		struct udevice *dev;
		int ret;
		int id;

		start = mallinfo();
		if (!start.uordblks)
			puts("Warning: Please add '#define DEBUG' to the top of common/dlmalloc.c\n");

		ut_assertok(dm_scan_platdata());
		ut_assertok(dm_scan_fdt(gd->fdt_blob));

		/* Scanning the uclass is enough to probe all the devices */
		for (id = UCLASS_ROOT; id < UCLASS_COUNT; id++) {
			for (ret = uclass_first_device(UCLASS_TEST, &dev);
			     dev;
			     ret = uclass_next_device(&dev))
				;
			ut_assertok(ret);
		}

		/* Don't delete the root class, since we started with that */
		for (id = UCLASS_ROOT + 1; id < UCLASS_COUNT; id++) {
			struct uclass *uc;

			uc = uclass_find(id);
			if (!uc)
				continue;
			ut_assertok(uclass_destroy(uc));
		}

		end = mallinfo();
		ut_asserteq(start.uordblks, end.uordblks);
	}

	return 0;
}
コード例 #20
0
ファイル: blk-uclass.c プロジェクト: hallor/u-boot
int blk_first_device(int if_type, struct udevice **devp)
{
    struct blk_desc *desc;
    int ret;

    ret = uclass_first_device(UCLASS_BLK, devp);
    if (ret)
        return ret;
    if (!*devp)
        return -ENODEV;
    do {
        desc = dev_get_uclass_platdata(*devp);
        if (desc->if_type == if_type)
            return 0;
        ret = uclass_next_device(devp);
        if (ret)
            return ret;
    } while (*devp);

    return -ENODEV;
}
コード例 #21
0
ファイル: gpio-uclass.c プロジェクト: AnAtom/u-boot-sunxi
/**
 * gpio_to_device() - Convert global GPIO number to device, number
 * gpio:	The numeric representation of the GPIO
 *
 * Convert the GPIO number to an entry in the list of GPIOs
 * or GPIO blocks registered with the GPIO controller. Returns
 * entry on success, NULL on error.
 */
static int gpio_to_device(unsigned int gpio, struct device **devp,
			  unsigned int *offset)
{
	struct gpio_dev_priv *uc_priv;
	struct device *dev;
	int ret;

	for (ret = uclass_first_device(UCLASS_GPIO, &dev);
	     dev;
	     ret = uclass_next_device(&dev)) {
		uc_priv = dev->uclass_priv;
		if (gpio >= uc_priv->gpio_base &&
		    gpio < uc_priv->gpio_base + uc_priv->gpio_count) {
			*devp = dev;
			*offset = gpio - uc_priv->gpio_base;
			return 0;
		}
	}

	/* No such GPIO */
	return ret ? ret : -EINVAL;
}
コード例 #22
0
ファイル: gpio-uclass.c プロジェクト: OpenNoah/u-boot
/**
 * gpio_to_device() - Convert global GPIO number to device, number
 *
 * Convert the GPIO number to an entry in the list of GPIOs
 * or GPIO blocks registered with the GPIO controller. Returns
 * entry on success, NULL on error.
 *
 * @gpio:	The numeric representation of the GPIO
 * @desc:	Returns description (desc->flags will always be 0)
 * @return 0 if found, -ENOENT if not found
 */
static int gpio_to_device(unsigned int gpio, struct gpio_desc *desc)
{
	struct gpio_dev_priv *uc_priv;
	struct udevice *dev;
	int ret;

	for (ret = uclass_first_device(UCLASS_GPIO, &dev);
	     dev;
	     ret = uclass_next_device(&dev)) {
		uc_priv = dev_get_uclass_priv(dev);
		if (gpio >= uc_priv->gpio_base &&
		    gpio < uc_priv->gpio_base + uc_priv->gpio_count) {
			desc->dev = dev;
			desc->offset = gpio - uc_priv->gpio_base;
			desc->flags = 0;
			return 0;
		}
	}

	/* No such GPIO */
	return ret ? ret : -ENOENT;
}
コード例 #23
0
int dma_get_device(u32 transfer_type, struct udevice **devp)
{
	struct udevice *dev;
	int ret;

	for (ret = uclass_first_device(UCLASS_DMA, &dev); dev && !ret;
	     ret = uclass_next_device(&dev)) {
		struct dma_dev_priv *uc_priv;

		uc_priv = dev_get_uclass_priv(dev);
		if (uc_priv->supported & transfer_type)
			break;
	}

	if (!dev) {
		pr_err("No DMA device found that supports %x type\n",
		      transfer_type);
		return -EPROTONOSUPPORT;
	}

	*devp = dev;

	return ret;
}
コード例 #24
0
int board_early_init_f(void)
{
	struct udevice *pch;
	int ret;

	ret = uclass_first_device(UCLASS_PCH, &pch);
	if (ret)
		return ret;
	if (!pch)
		return -ENODEV;

	/* Initialize LPC interface to turn on superio chipset decode range */
	dm_pci_write_config16(pch, LPC_IO_DEC, COMA_DEC_RANGE | COMB_DEC_RANGE);
	dm_pci_write_config16(pch, LPC_EN, KBC_LPC_EN | COMA_LPC_EN);
	dm_pci_write_config32(pch, LPC_GEN1_DEC, GEN_DEC_RANGE_256B |
			      (SIO1007_IOPORT3 & 0xff00) | GEN_DEC_RANGE_EN);
	dm_pci_write_config32(pch, LPC_GEN2_DEC, GEN_DEC_RANGE_16B |
			      SIO1007_RUNTIME_IOPORT | GEN_DEC_RANGE_EN);

	/* Enable legacy serial port at 0x3f8 */
	sio1007_enable_serial(SIO1007_IOPORT3, 0, UART0_BASE, UART0_IRQ);

	/* Enable SIO1007 runtime I/O port at 0x180 */
	sio1007_enable_runtime(SIO1007_IOPORT3, SIO1007_RUNTIME_IOPORT);

	/*
	 * On Cougar Canyon 2 board, the RS232 transiver connected to serial
	 * port 0 (0x3f8) is controlled by a GPIO pin (GPIO10) on the SIO1007.
	 * Set the pin value to 1 to enable the RS232 transiver.
	 */
	sio1007_gpio_config(SIO1007_IOPORT3, 0, GPIO_DIR_OUTPUT,
			    GPIO_POL_NO_INVERT, GPIO_TYPE_PUSH_PULL);
	sio1007_gpio_set_value(SIO1007_RUNTIME_IOPORT, 0, 1);

	return 0;
}
コード例 #25
0
ファイル: core.c プロジェクト: LCameron/xilinx-uboot
static int dm_test_children(struct unit_test_state *uts)
{
	struct dm_test_state *dms = uts->priv;
	struct udevice *top[NODE_COUNT];
	struct udevice *child[NODE_COUNT];
	struct udevice *grandchild[NODE_COUNT];
	struct udevice *dev;
	int total;
	int ret;
	int i;

	/* We don't care about the numbering for this test */
	dms->skip_post_probe = 1;

	ut_assert(NODE_COUNT > 5);

	/* First create 10 top-level children */
	ut_assertok(create_children(uts, dms->root, NODE_COUNT, 0, top));

	/* Now a few have their own children */
	ut_assertok(create_children(uts, top[2], NODE_COUNT, 2, NULL));
	ut_assertok(create_children(uts, top[5], NODE_COUNT, 5, child));

	/* And grandchildren */
	for (i = 0; i < NODE_COUNT; i++)
		ut_assertok(create_children(uts, child[i], NODE_COUNT, 50 * i,
					    i == 2 ? grandchild : NULL));

	/* Check total number of devices */
	total = NODE_COUNT * (3 + NODE_COUNT);
	ut_asserteq(total, dm_testdrv_op_count[DM_TEST_OP_BIND]);

	/* Try probing one of the grandchildren */
	ut_assertok(uclass_get_device(UCLASS_TEST,
				      NODE_COUNT * 3 + 2 * NODE_COUNT, &dev));
	ut_asserteq_ptr(grandchild[0], dev);

	/*
	 * This should have probed the child and top node also, for a total
	 * of 3 nodes.
	 */
	ut_asserteq(3, dm_testdrv_op_count[DM_TEST_OP_PROBE]);

	/* Probe the other grandchildren */
	for (i = 1; i < NODE_COUNT; i++)
		ut_assertok(device_probe(grandchild[i]));

	ut_asserteq(2 + NODE_COUNT, dm_testdrv_op_count[DM_TEST_OP_PROBE]);

	/* Probe everything */
	for (ret = uclass_first_device(UCLASS_TEST, &dev);
	     dev;
	     ret = uclass_next_device(&dev))
		;
	ut_assertok(ret);

	ut_asserteq(total, dm_testdrv_op_count[DM_TEST_OP_PROBE]);

	/* Remove a top-level child and check that the children are removed */
	ut_assertok(device_remove(top[2]));
	ut_asserteq(NODE_COUNT + 1, dm_testdrv_op_count[DM_TEST_OP_REMOVE]);
	dm_testdrv_op_count[DM_TEST_OP_REMOVE] = 0;

	/* Try one with grandchildren */
	ut_assertok(uclass_get_device(UCLASS_TEST, 5, &dev));
	ut_asserteq_ptr(dev, top[5]);
	ut_assertok(device_remove(dev));
	ut_asserteq(1 + NODE_COUNT * (1 + NODE_COUNT),
		    dm_testdrv_op_count[DM_TEST_OP_REMOVE]);

	/* Try the same with unbind */
	ut_assertok(device_unbind(top[2]));
	ut_asserteq(NODE_COUNT + 1, dm_testdrv_op_count[DM_TEST_OP_UNBIND]);
	dm_testdrv_op_count[DM_TEST_OP_UNBIND] = 0;

	/* Try one with grandchildren */
	ut_assertok(uclass_get_device(UCLASS_TEST, 5, &dev));
	ut_asserteq_ptr(dev, top[6]);
	ut_assertok(device_unbind(top[5]));
	ut_asserteq(1 + NODE_COUNT * (1 + NODE_COUNT),
		    dm_testdrv_op_count[DM_TEST_OP_UNBIND]);

	return 0;
}
コード例 #26
0
ファイル: serial-uclass.c プロジェクト: OpenNoah/u-boot
static void serial_find_console_or_panic(void)
{
	const void *blob = gd->fdt_blob;
	struct udevice *dev;
#ifdef CONFIG_SERIAL_SEARCH_ALL
	int ret;
#endif

	if (CONFIG_IS_ENABLED(OF_PLATDATA)) {
		uclass_first_device(UCLASS_SERIAL, &dev);
		if (dev) {
			gd->cur_serial_dev = dev;
			return;
		}
	} else if (CONFIG_IS_ENABLED(OF_CONTROL) && blob) {
		/* Live tree has support for stdout */
		if (of_live_active()) {
			struct device_node *np = of_get_stdout();

			if (np && !uclass_get_device_by_ofnode(UCLASS_SERIAL,
					np_to_ofnode(np), &dev)) {
				gd->cur_serial_dev = dev;
				return;
			}
		} else {
			if (!serial_check_stdout(blob, &dev)) {
				gd->cur_serial_dev = dev;
				return;
			}
		}
	}
	if (!SPL_BUILD || !CONFIG_IS_ENABLED(OF_CONTROL) || !blob) {
		/*
		 * Try to use CONFIG_CONS_INDEX if available (it is numbered
		 * from 1!).
		 *
		 * Failing that, get the device with sequence number 0, or in
		 * extremis just the first working serial device we can find.
		 * But we insist on having a console (even if it is silent).
		 */
#ifdef CONFIG_CONS_INDEX
#define INDEX (CONFIG_CONS_INDEX - 1)
#else
#define INDEX 0
#endif

#ifdef CONFIG_SERIAL_SEARCH_ALL
		if (!uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) ||
		    !uclass_get_device(UCLASS_SERIAL, INDEX, &dev)) {
			if (dev->flags & DM_FLAG_ACTIVATED) {
				gd->cur_serial_dev = dev;
				return;
			}
		}

		/* Search for any working device */
		for (ret = uclass_first_device_check(UCLASS_SERIAL, &dev);
		     dev;
		     ret = uclass_next_device_check(&dev)) {
			if (!ret) {
				/* Device did succeed probing */
				gd->cur_serial_dev = dev;
				return;
			}
		}
#else
		if (!uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) ||
		    !uclass_get_device(UCLASS_SERIAL, INDEX, &dev) ||
		    (!uclass_first_device(UCLASS_SERIAL, &dev) && dev)) {
			gd->cur_serial_dev = dev;
			return;
		}
#endif

#undef INDEX
	}

#ifdef CONFIG_REQUIRE_SERIAL_CONSOLE
	panic_str("No serial driver found");
#endif
}
コード例 #27
0
ファイル: sdram.c プロジェクト: 01hyang/u-boot
int dram_init(void)
{
	struct pei_data _pei_data __aligned(8);
	struct pei_data *pei_data = &_pei_data;
	struct udevice *dev, *me_dev, *pch_dev;
	struct chipset_power_state ps;
	const void *spd_data;
	int ret, size;

	memset(pei_data, '\0', sizeof(struct pei_data));

	/* Print ME state before MRC */
	ret = syscon_get_by_driver_data(X86_SYSCON_ME, &me_dev);
	if (ret)
		return ret;
	intel_me_status(me_dev);

	/* Save ME HSIO version */
	ret = uclass_first_device(UCLASS_PCH, &pch_dev);
	if (ret)
		return ret;
	if (!pch_dev)
		return -ENODEV;
	power_state_get(pch_dev, &ps);

	intel_me_hsio_version(me_dev, &ps.hsio_version, &ps.hsio_checksum);

	broadwell_fill_pei_data(pei_data);
	mainboard_fill_pei_data(pei_data);

	ret = uclass_first_device(UCLASS_NORTHBRIDGE, &dev);
	if (ret)
		return ret;
	if (!dev)
		return -ENODEV;
	size = 256;
	ret = mrc_locate_spd(dev, size, &spd_data);
	if (ret)
		return ret;
	memcpy(pei_data->spd_data[0][0], spd_data, size);
	memcpy(pei_data->spd_data[1][0], spd_data, size);

	ret = prepare_mrc_cache(pei_data);
	if (ret)
		debug("prepare_mrc_cache failed: %d\n", ret);

	debug("PEI version %#x\n", pei_data->pei_version);
	ret = mrc_common_init(dev, pei_data, true);
	if (ret)
		return ret;
	debug("Memory init done\n");

	ret = sdram_find(dev);
	if (ret)
		return ret;
	gd->ram_size = gd->arch.meminfo.total_32bit_memory;
	debug("RAM size %llx\n", (unsigned long long)gd->ram_size);

	debug("MRC output data length %#x at %p\n", pei_data->data_to_save_size,
	      pei_data->data_to_save);
	/* S3 resume: don't save scrambler seed or MRC data */
	if (pei_data->boot_mode != SLEEP_STATE_S3) {
		/*
		 * This will be copied to SDRAM in reserve_arch(), then written
		 * to SPI flash in mrccache_save()
		 */
		gd->arch.mrc_output = (char *)pei_data->data_to_save;
		gd->arch.mrc_output_len = pei_data->data_to_save_size;
	}
	gd->arch.pei_meminfo = pei_data->meminfo;

	return 0;
}
コード例 #28
0
ファイル: serial-uclass.c プロジェクト: bradbishop/u-boot
static void serial_find_console_or_panic(void)
{
	const void *blob = gd->fdt_blob;
	struct udevice *dev;
	int node;

	if (CONFIG_IS_ENABLED(OF_CONTROL) && blob) {
		/* Check for a chosen console */
		node = fdtdec_get_chosen_node(blob, "stdout-path");
		if (node < 0) {
			const char *str, *p, *name;

			/*
			 * Deal with things like
			 *	stdout-path = "serial0:115200n8";
			 *
			 * We need to look up the alias and then follow it to
			 * the correct node.
			 */
			str = fdtdec_get_chosen_prop(blob, "stdout-path");
			if (str) {
				p = strchr(str, ':');
				name = fdt_get_alias_namelen(blob, str,
						p ? p - str : strlen(str));
				if (name)
					node = fdt_path_offset(blob, name);
			}
		}
		if (node < 0)
			node = fdt_path_offset(blob, "console");
		if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node,
						    &dev)) {
			gd->cur_serial_dev = dev;
			return;
		}

		/*
		* If the console is not marked to be bound before relocation,
		* bind it anyway.
		*/
		if (node > 0 &&
		    !lists_bind_fdt(gd->dm_root, blob, node, &dev)) {
			if (!device_probe(dev)) {
				gd->cur_serial_dev = dev;
				return;
			}
		}
	}
	if (!SPL_BUILD || !CONFIG_IS_ENABLED(OF_CONTROL) || !blob) {
		/*
		* Try to use CONFIG_CONS_INDEX if available (it is numbered
		* from 1!).
		*
		* Failing that, get the device with sequence number 0, or in
		* extremis just the first serial device we can find. But we
		* insist on having a console (even if it is silent).
		*/
#ifdef CONFIG_CONS_INDEX
#define INDEX (CONFIG_CONS_INDEX - 1)
#else
#define INDEX 0
#endif
		if (!uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) ||
		    !uclass_get_device(UCLASS_SERIAL, INDEX, &dev) ||
		    (!uclass_first_device(UCLASS_SERIAL, &dev) && dev)) {
			gd->cur_serial_dev = dev;
			return;
		}
#undef INDEX
	}

#ifdef CONFIG_REQUIRE_SERIAL_CONSOLE
	panic_str("No serial driver found");
#endif
}