waterDataDiscreteRateMining varianceMemoryDefinition.c 袁明明 commit at 2021-01-08

waterDataDiscreteRateMining/dataSharedMemory/varianceMemoryDefinition.c

@@ -1041,3 +1041,54 @@ static struct resource rtt1_resources[] = {
 static struct platform_device at91sam9263_rtt1_device = {
 	.name		= "at91_rtt",
 	.id		= 1,
+	.resource	= rtt1_resources,
+};
+
+#if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
+static void __init at91_add_device_rtt_rtc(void)
+{
+	struct platform_device *pdev;
+	struct resource *r;
+
+	switch (CONFIG_RTC_DRV_AT91SAM9_RTT) {
+	case 0:
+		/*
+		 * The second resource is needed only for the chosen RTT:
+		 * GPBR will serve as the storage for RTC time offset
+		 */
+		at91sam9263_rtt0_device.num_resources = 3;
+		at91sam9263_rtt1_device.num_resources = 1;
+		pdev = &at91sam9263_rtt0_device;
+		r = rtt0_resources;
+		break;
+	case 1:
+		at91sam9263_rtt0_device.num_resources = 1;
+		at91sam9263_rtt1_device.num_resources = 3;
+		pdev = &at91sam9263_rtt1_device;
+		r = rtt1_resources;
+		break;
+	default:
+		pr_err("at91sam9263: only supports 2 RTT (%d)\n",
+		       CONFIG_RTC_DRV_AT91SAM9_RTT);
+		return;
+	}
+
+	pdev->name = "rtc-at91sam9";
+	r[1].start = AT91SAM9263_BASE_GPBR + 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
+	r[1].end = r[1].start + 3;
+	r[2].start = NR_IRQS_LEGACY + AT91_ID_SYS;
+	r[2].end = NR_IRQS_LEGACY + AT91_ID_SYS;
+}
+#else
+static void __init at91_add_device_rtt_rtc(void)
+{
+	/* Only one resource is needed: RTT not used as RTC */
+	at91sam9263_rtt0_device.num_resources = 1;
+	at91sam9263_rtt1_device.num_resources = 1;
+}
+#endif
+
+static void __init at91_add_device_rtt(void)
+{
+	at91_add_device_rtt_rtc();
+	platform_device_register(&at91sam9263_rtt0_device);