waterDataPreprocessing levelDataPreprocessingThread.c 袁明明 commit at 2020-09-15

waterDataPreprocessing/dataProcessing/levelDataPreprocessingThread.c

@@ -0,0 +1,96 @@
+/*
+ * linux/arch/arm/mach-omap2/id.c
+ *
+ * OMAP2 CPU identification code
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Written by Tony Lindgren <tony@atomide.com>
+ *
+ * Copyright (C) 2009-11 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <asm/cputype.h>
+
+#include "common.h"
+
+#include "id.h"
+
+#include "soc.h"
+#include "control.h"
+
+#define OMAP4_SILICON_TYPE_STANDARD		0x01
+#define OMAP4_SILICON_TYPE_PERFORMANCE		0x02
+
+static unsigned int omap_revision;
+static const char *cpu_rev;
+u32 omap_features;
+
+unsigned int omap_rev(void)
+{
+	return omap_revision;
+}
+EXPORT_SYMBOL(omap_rev);
+
+int omap_type(void)
+{
+	u32 val = 0;
+
+	if (cpu_is_omap24xx()) {
+		val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS);
+	} else if (soc_is_am33xx()) {
+		val = omap_ctrl_readl(AM33XX_CONTROL_STATUS);
+	} else if (cpu_is_omap34xx()) {
+		val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS);
+	} else if (cpu_is_omap44xx()) {
+		val = omap_ctrl_readl(OMAP4_CTRL_MODULE_CORE_STATUS);
+	} else if (soc_is_omap54xx()) {
+		val = omap_ctrl_readl(OMAP5XXX_CONTROL_STATUS);
+		val &= OMAP5_DEVICETYPE_MASK;
+		val >>= 6;
+		goto out;
+	} else {
+		pr_err("Cannot detect omap type!\n");
+		goto out;
+	}
+
+	val &= OMAP2_DEVICETYPE_MASK;
+	val >>= 8;
+
+out:
+	return val;
+}
+EXPORT_SYMBOL(omap_type);
+
+
+/*----------------------------------------------------------------------------*/
+
+#define OMAP_TAP_IDCODE		0x0204
+#define OMAP_TAP_DIE_ID_0	0x0218
+#define OMAP_TAP_DIE_ID_1	0x021C
+#define OMAP_TAP_DIE_ID_2	0x0220
+#define OMAP_TAP_DIE_ID_3	0x0224
+
+#define OMAP_TAP_DIE_ID_44XX_0	0x0200
+#define OMAP_TAP_DIE_ID_44XX_1	0x0208
+#define OMAP_TAP_DIE_ID_44XX_2	0x020c
+#define OMAP_TAP_DIE_ID_44XX_3	0x0210
+
+#define read_tap_reg(reg)	__raw_readl(tap_base  + (reg))
+
+struct omap_id {
+	u16	hawkeye;	/* Silicon type (Hawkeye id) */
+	u8	dev;		/* Device type from production_id reg */
+	u32	type;		/* Combined type id copied to omap_revision */
+};
+
+/* Register values to detect the OMAP version */