efElectricAgingTrendMining rtuTemperatureHumidityDataOperation.c 吉超博 commit at 2021-03-18

efElectricAgingTrendMining/databaseOperation/rtuTemperatureHumidityDataOperation.c

@@ -492,3 +492,162 @@ static u32 __init omap1_usb2_init(unsigned nwires, unsigned alt_pingroup)
 	}
 
 	/* external transceiver */
+	if (cpu_is_omap15xx()) {
+		omap_cfg_reg(USB2_TXD);
+		omap_cfg_reg(USB2_TXEN);
+		omap_cfg_reg(USB2_SEO);
+		if (nwires != 3)
+			omap_cfg_reg(USB2_RCV);
+		/* there is no USB2_SPEED */
+	} else if (cpu_is_omap16xx()) {
+		omap_cfg_reg(V6_USB2_TXD);
+		omap_cfg_reg(W9_USB2_TXEN);
+		omap_cfg_reg(W5_USB2_SE0);
+		if (nwires != 3)
+			omap_cfg_reg(Y5_USB2_RCV);
+		// FIXME omap_cfg_reg(USB2_SPEED);
+	} else {
+		pr_debug("usb%d cpu unrecognized\n", 1);
+		return 0;
+	}
+
+	// omap_cfg_reg(USB2_SUSP);
+
+	switch (nwires) {
+	case 2:
+		goto bad;
+	case 3:
+		syscon1 = 2;
+		break;
+	case 4:
+		syscon1 = 1;
+		break;
+	case 5:
+		goto bad;
+	case 6:
+		syscon1 = 3;
+		if (cpu_is_omap15xx()) {
+			omap_cfg_reg(USB2_VP);
+			omap_cfg_reg(USB2_VM);
+		} else {
+			u32 l;
+
+			omap_cfg_reg(AA9_USB2_VP);
+			omap_cfg_reg(R9_USB2_VM);
+			l = omap_readl(USB_TRANSCEIVER_CTRL);
+			l |= CONF_USB2_UNI_R;
+			omap_writel(l, USB_TRANSCEIVER_CTRL);
+		}
+		break;
+	default:
+bad:
+		printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
+			2, nwires);
+	}
+
+	return syscon1 << 24;
+}
+
+#ifdef	CONFIG_ARCH_OMAP15XX
+
+/* ULPD_DPLL_CTRL */
+#define DPLL_IOB		(1 << 13)
+#define DPLL_PLL_ENABLE		(1 << 4)
+#define DPLL_LOCK		(1 << 0)
+
+/* ULPD_APLL_CTRL */
+#define APLL_NDPLL_SWITCH	(1 << 0)
+
+static void __init omap_1510_usb_init(struct omap_usb_config *config)
+{
+	unsigned int val;
+	u16 w;
+
+	config->usb0_init(config->pins[0], is_usb0_device(config));
+	config->usb1_init(config->pins[1]);
+	config->usb2_init(config->pins[2], 0);
+
+	val = omap_readl(MOD_CONF_CTRL_0) & ~(0x3f << 1);
+	val |= (config->hmc_mode << 1);
+	omap_writel(val, MOD_CONF_CTRL_0);
+
+	printk("USB: hmc %d", config->hmc_mode);
+	if (config->pins[0])
+		printk(", usb0 %d wires%s", config->pins[0],
+			is_usb0_device(config) ? " (dev)" : "");
+	if (config->pins[1])
+		printk(", usb1 %d wires", config->pins[1]);
+	if (config->pins[2])
+		printk(", usb2 %d wires", config->pins[2]);
+	printk("\n");
+
+	/* use DPLL for 48 MHz function clock */
+	pr_debug("APLL %04x DPLL %04x REQ %04x\n", omap_readw(ULPD_APLL_CTRL),
+			omap_readw(ULPD_DPLL_CTRL), omap_readw(ULPD_SOFT_REQ));
+
+	w = omap_readw(ULPD_APLL_CTRL);
+	w &= ~APLL_NDPLL_SWITCH;
+	omap_writew(w, ULPD_APLL_CTRL);
+
+	w = omap_readw(ULPD_DPLL_CTRL);
+	w |= DPLL_IOB | DPLL_PLL_ENABLE;
+	omap_writew(w, ULPD_DPLL_CTRL);
+
+	w = omap_readw(ULPD_SOFT_REQ);
+	w |= SOFT_UDC_REQ | SOFT_DPLL_REQ;
+	omap_writew(w, ULPD_SOFT_REQ);
+
+	while (!(omap_readw(ULPD_DPLL_CTRL) & DPLL_LOCK))
+		cpu_relax();
+
+#ifdef	CONFIG_USB_GADGET_OMAP
+	if (config->register_dev) {
+		int status;
+
+		udc_device.dev.platform_data = config;
+		status = platform_device_register(&udc_device);
+		if (status)
+			pr_debug("can't register UDC device, %d\n", status);
+		/* udc driver gates 48MHz by D+ pullup */
+	}
+#endif
+
+#if	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+	if (config->register_host) {
+		int status;
+
+		ohci_device.dev.platform_data = config;
+		status = platform_device_register(&ohci_device);
+		if (status)
+			pr_debug("can't register OHCI device, %d\n", status);
+		/* hcd explicitly gates 48MHz */
+	}
+#endif
+}
+
+#else
+static inline void omap_1510_usb_init(struct omap_usb_config *config) {}
+#endif
+
+void __init omap1_usb_init(struct omap_usb_config *_pdata)
+{
+	struct omap_usb_config *pdata;
+
+	pdata = kmemdup(_pdata, sizeof(*pdata), GFP_KERNEL);
+	if (!pdata)
+		return;
+
+	pdata->usb0_init = omap1_usb0_init;
+	pdata->usb1_init = omap1_usb1_init;
+	pdata->usb2_init = omap1_usb2_init;
+	udc_device_init(pdata);
+	ohci_device_init(pdata);
+	otg_device_init(pdata);
+
+	if (cpu_is_omap7xx() || cpu_is_omap16xx())
+		omap_otg_init(pdata);
+	else if (cpu_is_omap15xx())
+		omap_1510_usb_init(pdata);
+	else
+		printk(KERN_ERR "USB: No init for your chip yet\n");
+}