Add qemu 2.4.0

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

1 files changed, 129 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/board/gateworks/gw_ventana/gsc.c b/qemu/roms/u-boot/board/gateworks/gw_ventana/gsc.c
new file mode 100644
index 000000000..37966abba
--- /dev/null
+++ b/qemu/roms/u-boot/board/gateworks/gw_ventana/gsc.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2013 Gateworks Corporation
+ *
+ * Author: Tim Harvey <tharvey@gateworks.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/errno.h>
+#include <common.h>
+#include <i2c.h>
+#include <linux/ctype.h>
+
+#include "gsc.h"
+
+#define MINMAX(n, percent)	((n)*(100-percent)/100), ((n)*(100+percent)/100)
+
+/*
+ * The Gateworks System Controller will fail to ACK a master transaction if
+ * it is busy, which can occur during its 1HZ timer tick while reading ADC's.
+ * When this does occur, it will never be busy long enough to fail more than
+ * 2 back-to-back transfers.  Thus we wrap i2c_read and i2c_write with
+ * 3 retries.
+ */
+int gsc_i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
+{
+	int retry = 3;
+	int n = 0;
+	int ret;
+
+	while (n++ < retry) {
+		ret = i2c_read(chip, addr, alen, buf, len);
+		if (!ret)
+			break;
+		debug("%s: 0x%02x 0x%02x retry%d: %d\n", __func__, chip, addr,
+		      n, ret);
+		if (ret != -ENODEV)
+			break;
+		mdelay(10);
+	}
+	return ret;
+}
+
+int gsc_i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len)
+{
+	int retry = 3;
+	int n = 0;
+	int ret;
+
+	while (n++ < retry) {
+		ret = i2c_write(chip, addr, alen, buf, len);
+		if (!ret)
+			break;
+		debug("%s: 0x%02x 0x%02x retry%d: %d\n", __func__, chip, addr,
+		      n, ret);
+		if (ret != -ENODEV)
+			break;
+		mdelay(10);
+	}
+	mdelay(1);
+	return ret;
+}
+
+#ifdef CONFIG_CMD_GSC
+static void read_hwmon(const char *name, uint reg, uint size, uint low,
+		       uint high)
+{
+	unsigned char buf[3];
+	uint ui;
+
+	printf("%-8s:", name);
+	memset(buf, 0, sizeof(buf));
+	if (gsc_i2c_read(GSC_HWMON_ADDR, reg, 1, buf, size)) {
+		puts("fRD\n");
+	} else {
+		ui = buf[0] | (buf[1]<<8) | (buf[2]<<16);
+		if (ui == 0xffffff)
+			printf("invalid");
+		else if (ui < low)
+			printf("%d Failed - Low", ui);
+		else if (ui > high)
+			printf("%d Failed - High", ui);
+		else
+			printf("%d", ui);
+	}
+	puts("\n");
+}
+
+int do_gsc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	const char *model = getenv("model");
+
+	i2c_set_bus_num(0);
+	read_hwmon("Temp",     GSC_HWMON_TEMP, 2, 0, 9000);
+	read_hwmon("VIN",      GSC_HWMON_VIN, 3, 8000, 60000);
+	read_hwmon("VBATT",    GSC_HWMON_VBATT, 3, 1800, 3500);
+	read_hwmon("VDD_3P3",  GSC_HWMON_VDD_3P3, 3, MINMAX(3300, 10));
+	read_hwmon("VDD_HIGH", GSC_HWMON_VDD_HIGH, 3, MINMAX(3000, 10));
+	read_hwmon("VDD_DDR",  GSC_HWMON_VDD_DDR, 3, MINMAX(1500, 10));
+	read_hwmon("VDD_5P0",  GSC_HWMON_VDD_5P0, 3, MINMAX(5000, 10));
+	read_hwmon("VDD_2P5",  GSC_HWMON_VDD_2P5, 3, MINMAX(2500, 10));
+	read_hwmon("VDD_1P8",  GSC_HWMON_VDD_1P8, 3, MINMAX(1800, 10));
+
+	switch (model[3]) {
+	case '1': /* GW51xx */
+		read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3, MINMAX(1175, 10));
+		read_hwmon("VDD_SOC",  GSC_HWMON_VDD_SOC, 3, MINMAX(1175, 10));
+		break;
+	case '2': /* GW52xx */
+	case '3': /* GW53xx */
+		read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3, MINMAX(1175, 10));
+		read_hwmon("VDD_SOC",  GSC_HWMON_VDD_SOC, 3, MINMAX(1175, 10));
+		read_hwmon("VDD_1P0",  GSC_HWMON_VDD_1P0, 3, MINMAX(1000, 10));
+		break;
+	case '4': /* GW54xx */
+		read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3, MINMAX(1375, 10));
+		read_hwmon("VDD_SOC",  GSC_HWMON_VDD_SOC, 3, MINMAX(1375, 10));
+		read_hwmon("VDD_1P0",  GSC_HWMON_VDD_1P0, 3, MINMAX(1000, 10));
+		break;
+	}
+	return 0;
+}
+
+U_BOOT_CMD(gsc, 1, 1, do_gsc,
+	   "GSC test",
+	   ""
+);
+
+#endif /* CONFIG_CMD_GSC */