1 files changed, 72 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/include/asm/arch-apollolake/systemagent.h b/roms/u-boot/arch/x86/include/asm/arch-apollolake/systemagent.h
new file mode 100644
index 000000000..48e76c2bb
--- /dev/null
+++ b/roms/u-boot/arch/x86/include/asm/arch-apollolake/systemagent.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2017 Intel Corporation.
+ * Take from coreboot project file of the same name
+ */
+
+#ifndef _ASM_ARCH_SYSTEMAGENT_H
+#define _ASM_ARCH_SYSTEMAGENT_H
+
+/* Device 0:0.0 PCI configuration space */
+#include <linux/bitops.h>
+
+struct udevice;
+
+#define MCHBAR		0x48
+
+/* RAPL Package Power Limit register under MCHBAR */
+#define PUNIT_THERMAL_DEVICE_IRQ		0x700C
+#define PUINT_THERMAL_DEVICE_IRQ_VEC_NUMBER	0x18
+#define PUINT_THERMAL_DEVICE_IRQ_LOCK		0x80000000
+#define BIOS_RESET_CPL		0x7078
+#define   PCODE_INIT_DONE	BIT(8)
+#define MCHBAR_RAPL_PPL		0x70A8
+#define CORE_DISABLE_MASK	0x7168
+#define CAPID0_A		0xE4
+#define   VTD_DISABLE		BIT(23)
+#define DEFVTBAR		0x6c80
+#define GFXVTBAR		0x6c88
+#define   VTBAR_ENABLED		0x01
+#define VTBAR_MASK		GENMASK_ULL(39, 12)
+#define VTBAR_SIZE		0x1000
+
+/**
+ * enable_bios_reset_cpl() - Tell the system agent that memory/power are ready
+ *
+ * This should be called when U-Boot has set up the memory and power
+ * management.
+ */
+void enable_bios_reset_cpl(void);
+
+/**
+ * sa_get_tolud_base() - Get the TOLUD base address
+ *
+ * This returns the Top Of Low Useable DRAM, marking the top of usable DRAM
+ * below 4GB
+ *
+ * @dev: hostbridge device
+ * @return TOLUD address
+ */
+ulong sa_get_tolud_base(struct udevice *dev);
+
+/**
+ * sa_get_gsm_base() - Get the GSM base address
+ *
+ * This returns the base of GTT Stolen Memory, marking the start of memory used
+ * for Graphics Translation Tables.
+ *
+ * @dev: hostbridge device
+ * @return GSM address
+ */
+ulong sa_get_gsm_base(struct udevice *dev);
+
+/**
+ * sa_get_tseg_base() - Get the TSEG base address
+ *
+ * This returns the top address of DRAM available below 4GB
+ *
+ * @return TSEG base
+ */
+ulong sa_get_tseg_base(struct udevice *dev);
+
+#endif