Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / gateworks / gw_ventana / gsc.h

diff --git a/qemu/roms/u-boot/board/gateworks/gw_ventana/gsc.h b/qemu/roms/u-boot/board/gateworks/gw_ventana/gsc.h
new file mode 100644 (file)
index 0000000..da970c3
--- /dev/null
+++ b/qemu/roms/u-boot/board/gateworks/gw_ventana/gsc.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2013 Gateworks Corporation
+ *
+ * Author: Tim Harvey <tharvey@gateworks.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASSEMBLY__
+
+/* i2c slave addresses */
+#define GSC_SC_ADDR            0x20
+#define GSC_RTC_ADDR           0x68
+#define GSC_HWMON_ADDR         0x29
+#define GSC_EEPROM_ADDR                0x51
+
+/* System Controller registers */
+enum {
+       GSC_SC_CTRL0            = 0x00,
+       GSC_SC_CTRL1            = 0x01,
+       GSC_SC_STATUS           = 0x0a,
+       GSC_SC_FWVER            = 0x0e,
+};
+
+/* System Controller Control1 bits */
+enum {
+       GSC_SC_CTRL1_WDDIS      = 7, /* 1 = disable watchdog */
+};
+
+/* System Controller Interrupt bits */
+enum {
+       GSC_SC_IRQ_PB           = 0, /* Pushbutton switch */
+       GSC_SC_IRQ_SECURE       = 1, /* Secure Key erase operation complete */
+       GSC_SC_IRQ_EEPROM_WP    = 2, /* EEPROM write violation */
+       GSC_SC_IRQ_GPIO         = 4, /* GPIO change */
+       GSC_SC_IRQ_TAMPER       = 5, /* Tamper detect */
+       GSC_SC_IRQ_WATCHDOG     = 6, /* Watchdog trip */
+       GSC_SC_IRQ_PBLONG       = 7, /* Pushbutton long hold */
+};
+
+/* Hardware Monitor registers */
+enum {
+       GSC_HWMON_TEMP          = 0x00,
+       GSC_HWMON_VIN           = 0x02,
+       GSC_HWMON_VDD_3P3       = 0x05,
+       GSC_HWMON_VBATT         = 0x08,
+       GSC_HWMON_VDD_5P0       = 0x0b,
+       GSC_HWMON_VDD_CORE      = 0x0e,
+       GSC_HWMON_VDD_HIGH      = 0x14,
+       GSC_HWMON_VDD_DDR       = 0x17,
+       GSC_HWMON_VDD_SOC       = 0x11,
+       GSC_HWMON_VDD_1P8       = 0x1d,
+       GSC_HWMON_VDD_2P5       = 0x23,
+       GSC_HWMON_VDD_1P0       = 0x20,
+};
+
+/*
+ * I2C transactions to the GSC are done via these functions which
+ * perform retries in the case of a busy GSC NAK'ing the transaction
+ */
+int gsc_i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len);
+int gsc_i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len);
+#endif
+