Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 277 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/post/board/lwmon5/sysmon.c b/qemu/roms/u-boot/post/board/lwmon5/sysmon.c
new file mode 100644
index 000000000..cca1a2623
--- /dev/null
+++ b/qemu/roms/u-boot/post/board/lwmon5/sysmon.c
@@ -0,0 +1,277 @@
+/*
+ * (C) Copyright 2008 Dmitry Rakhchev, EmCraft Systems, rda@emcraft.com
+ *
+ * Developed for DENX Software Engineering GmbH
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <post.h>
+#include <common.h>
+
+/*
+ * SYSMON test
+ *
+ * This test performs the system hardware monitoring.
+ * The test passes when all the following voltages and temperatures
+ * are within allowed ranges:
+ *
+ * Temperature		  -40 .. +90 C
+ * +5V			+4.50 .. +5.50 V
+ * +5V standby		+3.50 .. +5.50 V
+ *
+ * LCD backlight is not enabled if temperature values are not within
+ * allowed ranges (-30 .. + 80). The brightness of backlite can be
+ * controlled by setting "brightness" environment variable. Default value is 50%
+ *
+ * See the list of all parameters in the sysmon_table below
+ */
+
+#include <post.h>
+#include <watchdog.h>
+#include <i2c.h>
+
+#if defined(CONFIG_VIDEO)
+#include <mb862xx.h>
+#endif
+
+#if CONFIG_POST & CONFIG_SYS_POST_SYSMON
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* from dspic.c */
+extern int dspic_read(ushort reg, ushort *data);
+
+#define REG_TEMPERATURE			0x12BC
+#define REG_VOLTAGE_5V			0x12CA
+#define REG_VOLTAGE_5V_STANDBY		0x12C6
+
+#define TEMPERATURE_MIN			(-40)	/* degr. C */
+#define TEMPERATURE_MAX			(+90)	/* degr. C */
+#define TEMPERATURE_DISPLAY_MIN		(-35)	/* degr. C */
+#define TEMPERATURE_DISPLAY_MAX		(+85)	/* degr. C */
+
+#define VOLTAGE_5V_MIN			(+4500)	/* mV */
+#define VOLTAGE_5V_MAX			(+5500)	/* mV */
+
+#define VOLTAGE_5V_STANDBY_MIN		(+3500)	/* mV */
+#define VOLTAGE_5V_STANDBY_MAX		(+5500)	/* mV */
+
+typedef struct sysmon_s sysmon_t;
+typedef struct sysmon_table_s sysmon_table_t;
+
+static void sysmon_dspic_init(sysmon_t *this);
+static int sysmon_dspic_read(sysmon_t *this, uint addr, int *val);
+static int sysmon_dspic_read_sgn(sysmon_t *this, uint addr,  int *val);
+static void sysmon_backlight_disable(sysmon_table_t *this);
+
+struct sysmon_s {
+	uchar	chip;
+	void	(*init)(sysmon_t *);
+	int	(*read)(sysmon_t *, uint, int *);
+};
+
+static sysmon_t sysmon_dspic = {
+	CONFIG_SYS_I2C_DSPIC_IO_ADDR,
+	sysmon_dspic_init,
+	sysmon_dspic_read
+};
+
+static sysmon_t sysmon_dspic_sgn = {
+	CONFIG_SYS_I2C_DSPIC_IO_ADDR,
+	sysmon_dspic_init,
+	sysmon_dspic_read_sgn
+};
+
+static sysmon_t *sysmon_list[] = {
+	&sysmon_dspic,
+	NULL
+};
+
+struct sysmon_table_s {
+	char		*name;
+	char		*unit_name;
+	sysmon_t	*sysmon;
+	void		(*exec_before)(sysmon_table_t *);
+	void		(*exec_after)(sysmon_table_t *);
+
+	int		unit_precision;
+	int		unit_div;
+	int		unit_min;
+	int		unit_max;
+	uint		val_mask;
+	uint		val_min;
+	uint		val_max;
+	int		val_valid;
+	uint		val_min_alt;
+	uint		val_max_alt;
+	int		val_valid_alt;
+	uint		addr;
+};
+
+static sysmon_table_t sysmon_table[] = {
+	{
+		"Temperature", " C", &sysmon_dspic, NULL, sysmon_backlight_disable,
+		1, 1, -32768, 32767, 0xFFFF,
+		0x8000 + TEMPERATURE_MIN,	  0x8000 + TEMPERATURE_MAX,	    0,
+		0x8000 + TEMPERATURE_DISPLAY_MIN, 0x8000 + TEMPERATURE_DISPLAY_MAX, 0,
+		REG_TEMPERATURE,
+	},
+
+	{
+		"+ 5 V", "V", &sysmon_dspic, NULL, NULL,
+		100, 1000, -0x8000, 0x7FFF, 0xFFFF,
+		0x8000 + VOLTAGE_5V_MIN, 0x8000 + VOLTAGE_5V_MAX, 0,
+		0x8000 + VOLTAGE_5V_MIN, 0x8000 + VOLTAGE_5V_MAX, 0,
+		REG_VOLTAGE_5V,
+	},
+
+	{
+		"+ 5 V standby", "V", &sysmon_dspic, NULL, NULL,
+		100, 1000, -0x8000, 0x7FFF, 0xFFFF,
+		0x8000 + VOLTAGE_5V_STANDBY_MIN, 0x8000 + VOLTAGE_5V_STANDBY_MAX, 0,
+		0x8000 + VOLTAGE_5V_STANDBY_MIN, 0x8000 + VOLTAGE_5V_STANDBY_MAX, 0,
+		REG_VOLTAGE_5V_STANDBY,
+	},
+
+	{
+		"Temperature", "°C", &sysmon_dspic_sgn, NULL, sysmon_backlight_disable,
+		1, 1, -32768, 32767, 0xFFFF,
+		0x8000 + TEMPERATURE_MIN,	  0x8000 + TEMPERATURE_MAX,	    0,
+		0x8000 + TEMPERATURE_DISPLAY_MIN, 0x8000 + TEMPERATURE_DISPLAY_MAX, 0,
+		REG_TEMPERATURE,
+	},
+};
+
+int sysmon_init_f(void)
+{
+	sysmon_t **l;
+
+	for (l = sysmon_list; *l; l++)
+		(*l)->init(*l);
+
+	return 0;
+}
+
+void sysmon_reloc(void)
+{
+	/* Do nothing for now, sysmon_reloc() is required by the sysmon post */
+}
+
+static char *sysmon_unit_value(sysmon_table_t *s, uint val)
+{
+	static char buf[32];
+	char *p, sign;
+	int decimal, frac;
+	int unit_val;
+
+	unit_val = s->unit_min + (s->unit_max - s->unit_min) * val / s->val_mask;
+
+	if (val == -1)
+		return "I/O ERROR";
+
+	if (unit_val < 0) {
+		sign = '-';
+		unit_val = -unit_val;
+	} else {
+		sign = '+';
+	}
+
+	p = buf + sprintf(buf, "%c%2d", sign, unit_val / s->unit_div);
+
+	frac = unit_val % s->unit_div;
+	frac /= (s->unit_div / s->unit_precision);
+
+	decimal = s->unit_precision;
+
+	if (decimal != 1)
+		*p++ = '.';
+	for (decimal /= 10; decimal != 0; decimal /= 10)
+		*p++ = '0' + (frac / decimal) % 10;
+	strcpy(p, s->unit_name);
+
+	return buf;
+}
+
+static void sysmon_dspic_init(sysmon_t *this)
+{
+}
+
+static int sysmon_dspic_read(sysmon_t *this, uint addr, int *val)
+{
+	ushort data;
+
+	if (dspic_read(addr, &data) == 0){
+		/* To fit into the table range we should add 0x8000 */
+		*val = data + 0x8000;
+		return 0;
+	}
+
+	return -1;
+}
+
+static int sysmon_dspic_read_sgn(sysmon_t *this, uint addr, int *val)
+{
+	ushort data;
+
+	if (dspic_read(addr, &data) == 0){
+		/* To fit into the table range we should add 0x8000 */
+		*val = (signed short)data + 0x8000;
+		return 0;
+	}
+
+	return -1;
+}
+
+static void sysmon_backlight_disable(sysmon_table_t *this)
+{
+#if defined(CONFIG_VIDEO)
+	board_backlight_switch(this->val_valid_alt);
+#endif
+}
+
+int sysmon_post_test(int flags)
+{
+	int res = 0;
+	sysmon_table_t * t;
+	int val;
+
+	for (t = sysmon_table; t < sysmon_table + ARRAY_SIZE(sysmon_table); t++) {
+		t->val_valid = 1;
+		if (t->exec_before)
+			t->exec_before(t);
+
+		if (t->sysmon->read(t->sysmon, t->addr, &val) != 0) {
+			t->val_valid = 0;
+			t->val_valid_alt = 0;
+			post_log(": read failed\n");
+			res = 1;
+			break;
+		}
+
+		if (t->val_valid != 0) {
+			t->val_valid = val >= t->val_min && val <= t->val_max;
+			t->val_valid_alt = val >= t->val_min_alt && val <= t->val_max_alt;
+		}
+
+		if (t->exec_after)
+			t->exec_after(t);
+
+		if ((!t->val_valid) || (flags)) {
+			post_log("\n\t%-17s = %-10s ", t->name, sysmon_unit_value(t, val));
+			post_log("allowed range");
+			post_log(" %-8s ..", sysmon_unit_value(t, t->val_min));
+			post_log(" %-8s", sysmon_unit_value(t, t->val_max));
+			post_log("     %s", t->val_valid ? "OK" : "FAIL");
+		}
+
+		if (!t->val_valid) {
+			res = 1;
+			break;
+		}
+	}
+	post_log("\n");
+
+	return res;
+}
+#endif /* CONFIG_POST & CONFIG_SYS_POST_SYSMON */