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efElectricAgingTrendMining calculationAnalysisOfCablePower.c 张婷 commit at 2020-12-15

张婷 4 年之前
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27c81246af

+ 198 - 0
efElectricAgingTrendMining/analysisOfCableOverloadOperation/calculationAnalysisOfCablePower.c

@@ -87,3 +87,201 @@ static void __init n8x0_cbus_init(void)
  * 1.5 V voltage regulators of PM companion chip. Companion chip will then
  * provide then PGOOD signal to TUSB6010 which will release it from reset.
  */
+static int tusb_set_power(int state)
+{
+	int i, retval = 0;
+
+	if (state) {
+		gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
+		msleep(1);
+
+		/* Wait until TUSB6010 pulls INT pin down */
+		i = 100;
+		while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
+			msleep(1);
+			i--;
+		}
+
+		if (!i) {
+			printk(KERN_ERR "tusb: powerup failed\n");
+			retval = -ENODEV;
+		}
+	} else {
+		gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
+		msleep(10);
+	}
+
+	return retval;
+}
+
+static struct musb_hdrc_config musb_config = {
+	.multipoint	= 1,
+	.dyn_fifo	= 1,
+	.num_eps	= 16,
+	.ram_bits	= 12,
+};
+
+static struct musb_hdrc_platform_data tusb_data = {
+#ifdef CONFIG_USB_GADGET_MUSB_HDRC
+	.mode		= MUSB_OTG,
+#else
+	.mode		= MUSB_HOST,
+#endif
+	.set_power	= tusb_set_power,
+	.min_power	= 25,	/* x2 = 50 mA drawn from VBUS as peripheral */
+	.power		= 100,	/* Max 100 mA VBUS for host mode */
+	.config		= &musb_config,
+};
+
+static void __init n8x0_usb_init(void)
+{
+	int ret = 0;
+	static char	announce[] __initdata = KERN_INFO "TUSB 6010\n";
+
+	/* PM companion chip power control pin */
+	ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
+			       "TUSB6010 enable");
+	if (ret != 0) {
+		printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
+		       TUSB6010_GPIO_ENABLE);
+		return;
+	}
+	tusb_set_power(0);
+
+	ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
+					TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
+					TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
+	if (ret != 0)
+		goto err;
+
+	printk(announce);
+
+	return;
+
+err:
+	gpio_free(TUSB6010_GPIO_ENABLE);
+}
+#else
+
+static void __init n8x0_usb_init(void) {}
+
+#endif /*CONFIG_USB_MUSB_TUSB6010 */
+
+
+static struct omap2_mcspi_device_config p54spi_mcspi_config = {
+	.turbo_mode	= 0,
+};
+
+static struct spi_board_info n800_spi_board_info[] __initdata = {
+	{
+		.modalias	= "p54spi",
+		.bus_num	= 2,
+		.chip_select	= 0,
+		.max_speed_hz   = 48000000,
+		.controller_data = &p54spi_mcspi_config,
+	},
+};
+
+#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
+	defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
+
+static struct mtd_partition onenand_partitions[] = {
+	{
+		.name           = "bootloader",
+		.offset         = 0,
+		.size           = 0x20000,
+		.mask_flags     = MTD_WRITEABLE,	/* Force read-only */
+	},
+	{
+		.name           = "config",
+		.offset         = MTDPART_OFS_APPEND,
+		.size           = 0x60000,
+	},
+	{
+		.name           = "kernel",
+		.offset         = MTDPART_OFS_APPEND,
+		.size           = 0x200000,
+	},
+	{
+		.name           = "initfs",
+		.offset         = MTDPART_OFS_APPEND,
+		.size           = 0x400000,
+	},
+	{
+		.name           = "rootfs",
+		.offset         = MTDPART_OFS_APPEND,
+		.size           = MTDPART_SIZ_FULL,
+	},
+};
+
+static struct omap_onenand_platform_data board_onenand_data[] = {
+	{
+		.cs		= 0,
+		.gpio_irq	= 26,
+		.parts		= onenand_partitions,
+		.nr_parts	= ARRAY_SIZE(onenand_partitions),
+		.flags		= ONENAND_SYNC_READ,
+	}
+};
+#endif
+
+#if defined(CONFIG_MENELAUS) &&						\
+	(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
+
+/*
+ * On both N800 and N810, only the first of the two MMC controllers is in use.
+ * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
+ * On N800, both slots are powered via Menelaus. On N810, only one of the
+ * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
+ *
+ * VMMC				slot 1 on both N800 and N810
+ * VDCDC3_APE and VMCS2_APE	slot 2 on N800
+ * GPIO23 and GPIO9		slot 2 EMMC on N810
+ *
+ */
+#define N8X0_SLOT_SWITCH_GPIO	96
+#define N810_EMMC_VSD_GPIO	23
+#define N810_EMMC_VIO_GPIO	9
+
+static int slot1_cover_open;
+static int slot2_cover_open;
+static struct device *mmc_device;
+
+static int n8x0_mmc_switch_slot(struct device *dev, int slot)
+{
+#ifdef CONFIG_MMC_DEBUG
+	dev_dbg(dev, "Choose slot %d\n", slot + 1);
+#endif
+	gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
+	return 0;
+}
+
+static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
+					int power_on, int vdd)
+{
+	int mV;
+
+#ifdef CONFIG_MMC_DEBUG
+	dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
+		power_on ? "on" : "off", vdd);
+#endif
+	if (slot == 0) {
+		if (!power_on)
+			return menelaus_set_vmmc(0);
+		switch (1 << vdd) {
+		case MMC_VDD_33_34:
+		case MMC_VDD_32_33:
+		case MMC_VDD_31_32:
+			mV = 3100;
+			break;
+		case MMC_VDD_30_31:
+			mV = 3000;
+			break;
+		case MMC_VDD_28_29:
+			mV = 2800;
+			break;
+		case MMC_VDD_165_195:
+			mV = 1850;
+			break;
+		default:
+			BUG();