first and last commit

drivers/apple/swifterpmu/power.c

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+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * This document is the property of Apple Inc.
+ * It is considered confidential and proprietary.
+ *
+ * This document may not be reproduced or transmitted in any form,
+ * in whole or in part, without the express written permission of
+ * Apple Inc.
+ */
+
+#include <debug.h>
+#include <sys.h>
+#include <drivers/power.h>
+#include <target/powerconfig.h>
+
+#include "power.h"
+
+static uint32_t boot_flags;
+
+static void write_pmu(uint32_t offset, uint32_t data)
+{
+	volatile uint32_t *addr = (uint32_t *)(SWIFTER_PMU_BASE + offset);
+	*addr = data;
+}
+
+static uint32_t read_pmu(uint32_t offset)
+{
+	volatile uint32_t *addr = (uint32_t *)(SWIFTER_PMU_BASE + offset);
+	return *addr;
+}
+
+bool charger_has_usb(int dock)
+{
+	return false;
+}
+
+bool charger_has_firewire(int dock)
+{
+	return false;
+}
+
+bool charger_has_external(int dock)
+{
+    	return false;
+}
+
+bool charger_has_batterypack(int dock)
+{
+	return false;
+}
+
+void charger_clear_usb_state(void)
+{
+}
+
+uint32_t charger_get_max_charge_current(int dock)
+{
+	return 1500;
+}
+
+void charger_set_charging(int dock, uint32_t input_current_limit, uint32_t *charge_current_ma)
+{
+}
+
+void charger_clear_alternate_usb_current_limit(void)
+{
+}
+
+int charger_read_battery_level(uint32_t *milliVolts)
+{
+	return 5000;
+}
+
+bool charger_charge_done(int dock)
+{
+	return true;
+}
+
+void power_clr_events(int wake)
+{
+}
+
+u_int32_t pmu_read_brick_id_level(void)
+{
+	return 5000;
+}
+
+int power_get_rail_value(int rail, unsigned mv, u_int32_t *buffer)
+{
+	return -1;
+}
+
+int power_get_buck_value(int buck, uint32_t mv, uint32_t *val)
+{
+	return -1;
+}
+
+int power_convert_dwi_to_mv(int buck, u_int32_t dwival)
+{
+	return -1;
+}	
+
+void pmu_early_init(void)
+{
+	// Latch the power-on event(s)
+	boot_flags = read_pmu(SWIFTER_PMU_EVENT_REG);
+	// [or could we just let the OS driver recover them?]
+	dprintf(DEBUG_SPEW, "swifterpmu: boot_flags = %x\n", boot_flags);
+}
+
+void pmu_setup(void)
+{
+	// Probably nothing to do for simulation
+}
+
+void pmu_late_init(void)
+{
+	// Probably nothing to do for simulation
+}
+
+void pmu_check_events(bool *powersupply_change_event, bool *button_event, bool *other_wake_event)
+{
+	*powersupply_change_event = false;
+	*button_event = false;
+	*other_wake_event = false;
+}
+
+int power_get_boot_flag(void)
+{
+	return (boot_flags & SWIFTER_PMU_EVENT_HIB) ? kPowerBootFlagWarm : kPowerBootFlagCold;
+}
+
+void pmu_will_resume(void)
+{
+	// store boot flag for OS use (re-use same NVRAM byte used for voltage between LLB and iBoot)
+	power_set_nvram(kPowerNVRAMiBootBootFlags0Key, boot_flags);
+}
+
+int power_read_dock_id(unsigned *id)
+{
+	return -1;
+}
+
+int power_set_soc_voltage(unsigned mv, int override)
+{
+	return -1;
+}
+
+void pmu_set_backlight_enable(uint32_t backlight_level)
+{
+}
+
+int power_get_nvram(u_int8_t key, u_int8_t *data)
+{
+	if (key >= kPowerNVRAMPropertyCount) return -1;
+	
+	*data = read_pmu(SWIFTER_PMU_NVRAM_START + (key*4)) & 0xff;
+	return 0;
+}
+
+int power_set_nvram(u_int8_t key, u_int8_t data)
+{
+	if (key >= kPowerNVRAMPropertyCount) return -1;
+	
+	write_pmu(SWIFTER_PMU_NVRAM_START + (key*4), data);
+	return 0;
+}
+
+void pmu_shutdown(void)
+{
+	// Write the "shutdown" register
+	write_pmu(SWIFTER_PMU_SHUTDOWN_REG, 1);
+}
+
+void pmu_suspend(void)
+{
+	// Write the "suspend" register
+	write_pmu(SWIFTER_PMU_SUSPEND_REG, 1);
+}
+
+utime_t power_get_calendar_time(void)
+{
+	return 0;
+}
+
+void charger_print_status(void)
+{
+
+}

drivers/apple/swifterpmu/power.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * This document is the property of Apple Computer, Inc.
+ * It is considered confidential and proprietary.
+ *
+ * This document may not be reproduced or transmitted in any form,
+ * in whole or in part, without the express written permission of
+ * Apple Inc.
+ */
+
+#ifndef __SWIFTER_PMU_H
+#define __SWIFTER_PMU_H
+
+#define SWIFTER_PMU_SHUTDOWN_REG        0x010
+#define SWIFTER_PMU_SUSPEND_REG         0x018
+#define SWIFTER_PMU_RESTART_REG         0x020
+
+#define SWIFTER_PMU_NVRAM_START         0x100
+
+#define SWIFTER_PMU_EVENT_REG           0x200
+#define SWIFTER_PMU_EVENT_HIB           (1 << 0)
+#define SWFITER_PMU_EVENT_HOME          (1 << 1)
+
+#endif

drivers/apple/swifterpmu/rules.mk

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+# Copyright (C) 2013 Apple Inc. All rights reserved.
+#
+# This document is the property of Apple Inc.
+# It is considered confidential and proprietary.
+#
+# This document may not be reproduced or transmitted in any form,
+# in whole or in part, without the express written permission of
+# Apple Inc.
+#
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+OPTIONS += \
+	WITH_HW_POWER=1
+
+ALL_OBJS += \
+	$(LOCAL_DIR)/power.o
+
+MODULES += \
+	lib/power