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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/x86/platform/olpc
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/platform/olpc')
-rw-r--r--ANDROID_3.4.5/arch/x86/platform/olpc/Makefile5
-rw-r--r--ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-pm.c216
-rw-r--r--ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-rtc.c81
-rw-r--r--ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-sci.c614
-rw-r--r--ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo15-sci.c238
-rw-r--r--ANDROID_3.4.5/arch/x86/platform/olpc/olpc.c476
-rw-r--r--ANDROID_3.4.5/arch/x86/platform/olpc/olpc_dt.c304
-rw-r--r--ANDROID_3.4.5/arch/x86/platform/olpc/olpc_ofw.c117
-rw-r--r--ANDROID_3.4.5/arch/x86/platform/olpc/xo1-wakeup.S124
9 files changed, 0 insertions, 2175 deletions
diff --git a/ANDROID_3.4.5/arch/x86/platform/olpc/Makefile b/ANDROID_3.4.5/arch/x86/platform/olpc/Makefile
deleted file mode 100644
index fd332c53..00000000
--- a/ANDROID_3.4.5/arch/x86/platform/olpc/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-obj-$(CONFIG_OLPC) += olpc.o olpc_ofw.o olpc_dt.o
-obj-$(CONFIG_OLPC_XO1_PM) += olpc-xo1-pm.o xo1-wakeup.o
-obj-$(CONFIG_OLPC_XO1_RTC) += olpc-xo1-rtc.o
-obj-$(CONFIG_OLPC_XO1_SCI) += olpc-xo1-sci.o
-obj-$(CONFIG_OLPC_XO15_SCI) += olpc-xo15-sci.o
diff --git a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-pm.c b/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-pm.c
deleted file mode 100644
index 0ce8616c..00000000
--- a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-pm.c
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- * Support for power management features of the OLPC XO-1 laptop
- *
- * Copyright (C) 2010 Andres Salomon <dilinger@queued.net>
- * Copyright (C) 2010 One Laptop per Child
- * Copyright (C) 2006 Red Hat, Inc.
- * Copyright (C) 2006 Advanced Micro Devices, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/cs5535.h>
-#include <linux/platform_device.h>
-#include <linux/export.h>
-#include <linux/pm.h>
-#include <linux/mfd/core.h>
-#include <linux/suspend.h>
-
-#include <asm/io.h>
-#include <asm/olpc.h>
-
-#define DRV_NAME "olpc-xo1-pm"
-
-static unsigned long acpi_base;
-static unsigned long pms_base;
-
-static u16 wakeup_mask = CS5536_PM_PWRBTN;
-
-static struct {
- unsigned long address;
- unsigned short segment;
-} ofw_bios_entry = { 0xF0000 + PAGE_OFFSET, __KERNEL_CS };
-
-/* Set bits in the wakeup mask */
-void olpc_xo1_pm_wakeup_set(u16 value)
-{
- wakeup_mask |= value;
-}
-EXPORT_SYMBOL_GPL(olpc_xo1_pm_wakeup_set);
-
-/* Clear bits in the wakeup mask */
-void olpc_xo1_pm_wakeup_clear(u16 value)
-{
- wakeup_mask &= ~value;
-}
-EXPORT_SYMBOL_GPL(olpc_xo1_pm_wakeup_clear);
-
-static int xo1_power_state_enter(suspend_state_t pm_state)
-{
- unsigned long saved_sci_mask;
- int r;
-
- /* Only STR is supported */
- if (pm_state != PM_SUSPEND_MEM)
- return -EINVAL;
-
- r = olpc_ec_cmd(EC_SET_SCI_INHIBIT, NULL, 0, NULL, 0);
- if (r)
- return r;
-
- /*
- * Save SCI mask (this gets lost since PM1_EN is used as a mask for
- * wakeup events, which is not necessarily the same event set)
- */
- saved_sci_mask = inl(acpi_base + CS5536_PM1_STS);
- saved_sci_mask &= 0xffff0000;
-
- /* Save CPU state */
- do_olpc_suspend_lowlevel();
-
- /* Resume path starts here */
-
- /* Restore SCI mask (using dword access to CS5536_PM1_EN) */
- outl(saved_sci_mask, acpi_base + CS5536_PM1_STS);
-
- /* Tell the EC to stop inhibiting SCIs */
- olpc_ec_cmd(EC_SET_SCI_INHIBIT_RELEASE, NULL, 0, NULL, 0);
-
- /*
- * Tell the wireless module to restart USB communication.
- * Must be done twice.
- */
- olpc_ec_cmd(EC_WAKE_UP_WLAN, NULL, 0, NULL, 0);
- olpc_ec_cmd(EC_WAKE_UP_WLAN, NULL, 0, NULL, 0);
-
- return 0;
-}
-
-asmlinkage int xo1_do_sleep(u8 sleep_state)
-{
- void *pgd_addr = __va(read_cr3());
-
- /* Program wakeup mask (using dword access to CS5536_PM1_EN) */
- outl(wakeup_mask << 16, acpi_base + CS5536_PM1_STS);
-
- __asm__("movl %0,%%eax" : : "r" (pgd_addr));
- __asm__("call *(%%edi); cld"
- : : "D" (&ofw_bios_entry));
- __asm__("movb $0x34, %al\n\t"
- "outb %al, $0x70\n\t"
- "movb $0x30, %al\n\t"
- "outb %al, $0x71\n\t");
- return 0;
-}
-
-static void xo1_power_off(void)
-{
- printk(KERN_INFO "OLPC XO-1 power off sequence...\n");
-
- /* Enable all of these controls with 0 delay */
- outl(0x40000000, pms_base + CS5536_PM_SCLK);
- outl(0x40000000, pms_base + CS5536_PM_IN_SLPCTL);
- outl(0x40000000, pms_base + CS5536_PM_WKXD);
- outl(0x40000000, pms_base + CS5536_PM_WKD);
-
- /* Clear status bits (possibly unnecessary) */
- outl(0x0002ffff, pms_base + CS5536_PM_SSC);
- outl(0xffffffff, acpi_base + CS5536_PM_GPE0_STS);
-
- /* Write SLP_EN bit to start the machinery */
- outl(0x00002000, acpi_base + CS5536_PM1_CNT);
-}
-
-static int xo1_power_state_valid(suspend_state_t pm_state)
-{
- /* suspend-to-RAM only */
- return pm_state == PM_SUSPEND_MEM;
-}
-
-static const struct platform_suspend_ops xo1_suspend_ops = {
- .valid = xo1_power_state_valid,
- .enter = xo1_power_state_enter,
-};
-
-static int __devinit xo1_pm_probe(struct platform_device *pdev)
-{
- struct resource *res;
- int err;
-
- /* don't run on non-XOs */
- if (!machine_is_olpc())
- return -ENODEV;
-
- err = mfd_cell_enable(pdev);
- if (err)
- return err;
-
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
- if (!res) {
- dev_err(&pdev->dev, "can't fetch device resource info\n");
- return -EIO;
- }
- if (strcmp(pdev->name, "cs5535-pms") == 0)
- pms_base = res->start;
- else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0)
- acpi_base = res->start;
-
- /* If we have both addresses, we can override the poweroff hook */
- if (pms_base && acpi_base) {
- suspend_set_ops(&xo1_suspend_ops);
- pm_power_off = xo1_power_off;
- printk(KERN_INFO "OLPC XO-1 support registered\n");
- }
-
- return 0;
-}
-
-static int __devexit xo1_pm_remove(struct platform_device *pdev)
-{
- mfd_cell_disable(pdev);
-
- if (strcmp(pdev->name, "cs5535-pms") == 0)
- pms_base = 0;
- else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0)
- acpi_base = 0;
-
- pm_power_off = NULL;
- return 0;
-}
-
-static struct platform_driver cs5535_pms_driver = {
- .driver = {
- .name = "cs5535-pms",
- .owner = THIS_MODULE,
- },
- .probe = xo1_pm_probe,
- .remove = __devexit_p(xo1_pm_remove),
-};
-
-static struct platform_driver cs5535_acpi_driver = {
- .driver = {
- .name = "olpc-xo1-pm-acpi",
- .owner = THIS_MODULE,
- },
- .probe = xo1_pm_probe,
- .remove = __devexit_p(xo1_pm_remove),
-};
-
-static int __init xo1_pm_init(void)
-{
- int r;
-
- r = platform_driver_register(&cs5535_pms_driver);
- if (r)
- return r;
-
- r = platform_driver_register(&cs5535_acpi_driver);
- if (r)
- platform_driver_unregister(&cs5535_pms_driver);
-
- return r;
-}
-arch_initcall(xo1_pm_init);
diff --git a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-rtc.c b/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-rtc.c
deleted file mode 100644
index a2b4efdd..00000000
--- a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-rtc.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Support for OLPC XO-1 Real Time Clock (RTC)
- *
- * Copyright (C) 2011 One Laptop per Child
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/mc146818rtc.h>
-#include <linux/platform_device.h>
-#include <linux/rtc.h>
-#include <linux/of.h>
-
-#include <asm/msr.h>
-#include <asm/olpc.h>
-
-static void rtc_wake_on(struct device *dev)
-{
- olpc_xo1_pm_wakeup_set(CS5536_PM_RTC);
-}
-
-static void rtc_wake_off(struct device *dev)
-{
- olpc_xo1_pm_wakeup_clear(CS5536_PM_RTC);
-}
-
-static struct resource rtc_platform_resource[] = {
- [0] = {
- .start = RTC_PORT(0),
- .end = RTC_PORT(1),
- .flags = IORESOURCE_IO,
- },
- [1] = {
- .start = RTC_IRQ,
- .end = RTC_IRQ,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static struct cmos_rtc_board_info rtc_info = {
- .rtc_day_alarm = 0,
- .rtc_mon_alarm = 0,
- .rtc_century = 0,
- .wake_on = rtc_wake_on,
- .wake_off = rtc_wake_off,
-};
-
-static struct platform_device xo1_rtc_device = {
- .name = "rtc_cmos",
- .id = -1,
- .num_resources = ARRAY_SIZE(rtc_platform_resource),
- .dev.platform_data = &rtc_info,
- .resource = rtc_platform_resource,
-};
-
-static int __init xo1_rtc_init(void)
-{
- int r;
- struct device_node *node;
-
- node = of_find_compatible_node(NULL, NULL, "olpc,xo1-rtc");
- if (!node)
- return 0;
- of_node_put(node);
-
- pr_info("olpc-xo1-rtc: Initializing OLPC XO-1 RTC\n");
- rdmsrl(MSR_RTC_DOMA_OFFSET, rtc_info.rtc_day_alarm);
- rdmsrl(MSR_RTC_MONA_OFFSET, rtc_info.rtc_mon_alarm);
- rdmsrl(MSR_RTC_CEN_OFFSET, rtc_info.rtc_century);
-
- r = platform_device_register(&xo1_rtc_device);
- if (r)
- return r;
-
- device_init_wakeup(&xo1_rtc_device.dev, 1);
- return 0;
-}
-arch_initcall(xo1_rtc_init);
diff --git a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-sci.c b/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-sci.c
deleted file mode 100644
index 1d4c783d..00000000
--- a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo1-sci.c
+++ /dev/null
@@ -1,614 +0,0 @@
-/*
- * Support for OLPC XO-1 System Control Interrupts (SCI)
- *
- * Copyright (C) 2010 One Laptop per Child
- * Copyright (C) 2006 Red Hat, Inc.
- * Copyright (C) 2006 Advanced Micro Devices, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/cs5535.h>
-#include <linux/device.h>
-#include <linux/gpio.h>
-#include <linux/input.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/pm.h>
-#include <linux/mfd/core.h>
-#include <linux/power_supply.h>
-#include <linux/suspend.h>
-#include <linux/workqueue.h>
-
-#include <asm/io.h>
-#include <asm/msr.h>
-#include <asm/olpc.h>
-
-#define DRV_NAME "olpc-xo1-sci"
-#define PFX DRV_NAME ": "
-
-static unsigned long acpi_base;
-static struct input_dev *power_button_idev;
-static struct input_dev *ebook_switch_idev;
-static struct input_dev *lid_switch_idev;
-
-static int sci_irq;
-
-static bool lid_open;
-static bool lid_inverted;
-static int lid_wake_mode;
-
-enum lid_wake_modes {
- LID_WAKE_ALWAYS,
- LID_WAKE_OPEN,
- LID_WAKE_CLOSE,
-};
-
-static const char * const lid_wake_mode_names[] = {
- [LID_WAKE_ALWAYS] = "always",
- [LID_WAKE_OPEN] = "open",
- [LID_WAKE_CLOSE] = "close",
-};
-
-static void battery_status_changed(void)
-{
- struct power_supply *psy = power_supply_get_by_name("olpc-battery");
-
- if (psy) {
- power_supply_changed(psy);
- put_device(psy->dev);
- }
-}
-
-static void ac_status_changed(void)
-{
- struct power_supply *psy = power_supply_get_by_name("olpc-ac");
-
- if (psy) {
- power_supply_changed(psy);
- put_device(psy->dev);
- }
-}
-
-/* Report current ebook switch state through input layer */
-static void send_ebook_state(void)
-{
- unsigned char state;
-
- if (olpc_ec_cmd(EC_READ_EB_MODE, NULL, 0, &state, 1)) {
- pr_err(PFX "failed to get ebook state\n");
- return;
- }
-
- input_report_switch(ebook_switch_idev, SW_TABLET_MODE, state);
- input_sync(ebook_switch_idev);
-}
-
-static void flip_lid_inverter(void)
-{
- /* gpio is high; invert so we'll get l->h event interrupt */
- if (lid_inverted)
- cs5535_gpio_clear(OLPC_GPIO_LID, GPIO_INPUT_INVERT);
- else
- cs5535_gpio_set(OLPC_GPIO_LID, GPIO_INPUT_INVERT);
- lid_inverted = !lid_inverted;
-}
-
-static void detect_lid_state(void)
-{
- /*
- * the edge detector hookup on the gpio inputs on the geode is
- * odd, to say the least. See http://dev.laptop.org/ticket/5703
- * for details, but in a nutshell: we don't use the edge
- * detectors. instead, we make use of an anomoly: with the both
- * edge detectors turned off, we still get an edge event on a
- * positive edge transition. to take advantage of this, we use the
- * front-end inverter to ensure that that's the edge we're always
- * going to see next.
- */
-
- int state;
-
- state = cs5535_gpio_isset(OLPC_GPIO_LID, GPIO_READ_BACK);
- lid_open = !state ^ !lid_inverted; /* x ^^ y */
- if (!state)
- return;
-
- flip_lid_inverter();
-}
-
-/* Report current lid switch state through input layer */
-static void send_lid_state(void)
-{
- input_report_switch(lid_switch_idev, SW_LID, !lid_open);
- input_sync(lid_switch_idev);
-}
-
-static ssize_t lid_wake_mode_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- const char *mode = lid_wake_mode_names[lid_wake_mode];
- return sprintf(buf, "%s\n", mode);
-}
-static ssize_t lid_wake_mode_set(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- int i;
- for (i = 0; i < ARRAY_SIZE(lid_wake_mode_names); i++) {
- const char *mode = lid_wake_mode_names[i];
- if (strlen(mode) != count || strncasecmp(mode, buf, count))
- continue;
-
- lid_wake_mode = i;
- return count;
- }
- return -EINVAL;
-}
-static DEVICE_ATTR(lid_wake_mode, S_IWUSR | S_IRUGO, lid_wake_mode_show,
- lid_wake_mode_set);
-
-/*
- * Process all items in the EC's SCI queue.
- *
- * This is handled in a workqueue because olpc_ec_cmd can be slow (and
- * can even timeout).
- *
- * If propagate_events is false, the queue is drained without events being
- * generated for the interrupts.
- */
-static void process_sci_queue(bool propagate_events)
-{
- int r;
- u16 data;
-
- do {
- r = olpc_ec_sci_query(&data);
- if (r || !data)
- break;
-
- pr_debug(PFX "SCI 0x%x received\n", data);
-
- switch (data) {
- case EC_SCI_SRC_BATERR:
- case EC_SCI_SRC_BATSOC:
- case EC_SCI_SRC_BATTERY:
- case EC_SCI_SRC_BATCRIT:
- battery_status_changed();
- break;
- case EC_SCI_SRC_ACPWR:
- ac_status_changed();
- break;
- }
-
- if (data == EC_SCI_SRC_EBOOK && propagate_events)
- send_ebook_state();
- } while (data);
-
- if (r)
- pr_err(PFX "Failed to clear SCI queue");
-}
-
-static void process_sci_queue_work(struct work_struct *work)
-{
- process_sci_queue(true);
-}
-
-static DECLARE_WORK(sci_work, process_sci_queue_work);
-
-static irqreturn_t xo1_sci_intr(int irq, void *dev_id)
-{
- struct platform_device *pdev = dev_id;
- u32 sts;
- u32 gpe;
-
- sts = inl(acpi_base + CS5536_PM1_STS);
- outl(sts | 0xffff, acpi_base + CS5536_PM1_STS);
-
- gpe = inl(acpi_base + CS5536_PM_GPE0_STS);
- outl(0xffffffff, acpi_base + CS5536_PM_GPE0_STS);
-
- dev_dbg(&pdev->dev, "sts %x gpe %x\n", sts, gpe);
-
- if (sts & CS5536_PWRBTN_FLAG && !(sts & CS5536_WAK_FLAG)) {
- input_report_key(power_button_idev, KEY_POWER, 1);
- input_sync(power_button_idev);
- input_report_key(power_button_idev, KEY_POWER, 0);
- input_sync(power_button_idev);
- }
-
- if (gpe & CS5536_GPIOM7_PME_FLAG) { /* EC GPIO */
- cs5535_gpio_set(OLPC_GPIO_ECSCI, GPIO_NEGATIVE_EDGE_STS);
- schedule_work(&sci_work);
- }
-
- cs5535_gpio_set(OLPC_GPIO_LID, GPIO_NEGATIVE_EDGE_STS);
- cs5535_gpio_set(OLPC_GPIO_LID, GPIO_POSITIVE_EDGE_STS);
- detect_lid_state();
- send_lid_state();
-
- return IRQ_HANDLED;
-}
-
-static int xo1_sci_suspend(struct platform_device *pdev, pm_message_t state)
-{
- if (device_may_wakeup(&power_button_idev->dev))
- olpc_xo1_pm_wakeup_set(CS5536_PM_PWRBTN);
- else
- olpc_xo1_pm_wakeup_clear(CS5536_PM_PWRBTN);
-
- if (device_may_wakeup(&ebook_switch_idev->dev))
- olpc_ec_wakeup_set(EC_SCI_SRC_EBOOK);
- else
- olpc_ec_wakeup_clear(EC_SCI_SRC_EBOOK);
-
- if (!device_may_wakeup(&lid_switch_idev->dev)) {
- cs5535_gpio_clear(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE);
- } else if ((lid_open && lid_wake_mode == LID_WAKE_OPEN) ||
- (!lid_open && lid_wake_mode == LID_WAKE_CLOSE)) {
- flip_lid_inverter();
-
- /* we may have just caused an event */
- cs5535_gpio_set(OLPC_GPIO_LID, GPIO_NEGATIVE_EDGE_STS);
- cs5535_gpio_set(OLPC_GPIO_LID, GPIO_POSITIVE_EDGE_STS);
-
- cs5535_gpio_set(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE);
- }
-
- return 0;
-}
-
-static int xo1_sci_resume(struct platform_device *pdev)
-{
- /*
- * We don't know what may have happened while we were asleep.
- * Reestablish our lid setup so we're sure to catch all transitions.
- */
- detect_lid_state();
- send_lid_state();
- cs5535_gpio_set(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE);
-
- /* Enable all EC events */
- olpc_ec_mask_write(EC_SCI_SRC_ALL);
-
- /* Power/battery status might have changed too */
- battery_status_changed();
- ac_status_changed();
- return 0;
-}
-
-static int __devinit setup_sci_interrupt(struct platform_device *pdev)
-{
- u32 lo, hi;
- u32 sts;
- int r;
-
- rdmsr(0x51400020, lo, hi);
- sci_irq = (lo >> 20) & 15;
-
- if (sci_irq) {
- dev_info(&pdev->dev, "SCI is mapped to IRQ %d\n", sci_irq);
- } else {
- /* Zero means masked */
- dev_info(&pdev->dev, "SCI unmapped. Mapping to IRQ 3\n");
- sci_irq = 3;
- lo |= 0x00300000;
- wrmsrl(0x51400020, lo);
- }
-
- /* Select level triggered in PIC */
- if (sci_irq < 8) {
- lo = inb(CS5536_PIC_INT_SEL1);
- lo |= 1 << sci_irq;
- outb(lo, CS5536_PIC_INT_SEL1);
- } else {
- lo = inb(CS5536_PIC_INT_SEL2);
- lo |= 1 << (sci_irq - 8);
- outb(lo, CS5536_PIC_INT_SEL2);
- }
-
- /* Enable SCI from power button, and clear pending interrupts */
- sts = inl(acpi_base + CS5536_PM1_STS);
- outl((CS5536_PM_PWRBTN << 16) | 0xffff, acpi_base + CS5536_PM1_STS);
-
- r = request_irq(sci_irq, xo1_sci_intr, 0, DRV_NAME, pdev);
- if (r)
- dev_err(&pdev->dev, "can't request interrupt\n");
-
- return r;
-}
-
-static int __devinit setup_ec_sci(void)
-{
- int r;
-
- r = gpio_request(OLPC_GPIO_ECSCI, "OLPC-ECSCI");
- if (r)
- return r;
-
- gpio_direction_input(OLPC_GPIO_ECSCI);
-
- /* Clear pending EC SCI events */
- cs5535_gpio_set(OLPC_GPIO_ECSCI, GPIO_NEGATIVE_EDGE_STS);
- cs5535_gpio_set(OLPC_GPIO_ECSCI, GPIO_POSITIVE_EDGE_STS);
-
- /*
- * Enable EC SCI events, and map them to both a PME and the SCI
- * interrupt.
- *
- * Ordinarily, in addition to functioning as GPIOs, Geode GPIOs can
- * be mapped to regular interrupts *or* Geode-specific Power
- * Management Events (PMEs) - events that bring the system out of
- * suspend. In this case, we want both of those things - the system
- * wakeup, *and* the ability to get an interrupt when an event occurs.
- *
- * To achieve this, we map the GPIO to a PME, and then we use one
- * of the many generic knobs on the CS5535 PIC to additionally map the
- * PME to the regular SCI interrupt line.
- */
- cs5535_gpio_set(OLPC_GPIO_ECSCI, GPIO_EVENTS_ENABLE);
-
- /* Set the SCI to cause a PME event on group 7 */
- cs5535_gpio_setup_event(OLPC_GPIO_ECSCI, 7, 1);
-
- /* And have group 7 also fire the SCI interrupt */
- cs5535_pic_unreqz_select_high(7, sci_irq);
-
- return 0;
-}
-
-static void free_ec_sci(void)
-{
- gpio_free(OLPC_GPIO_ECSCI);
-}
-
-static int __devinit setup_lid_events(void)
-{
- int r;
-
- r = gpio_request(OLPC_GPIO_LID, "OLPC-LID");
- if (r)
- return r;
-
- gpio_direction_input(OLPC_GPIO_LID);
-
- cs5535_gpio_clear(OLPC_GPIO_LID, GPIO_INPUT_INVERT);
- lid_inverted = 0;
-
- /* Clear edge detection and event enable for now */
- cs5535_gpio_clear(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE);
- cs5535_gpio_clear(OLPC_GPIO_LID, GPIO_NEGATIVE_EDGE_EN);
- cs5535_gpio_clear(OLPC_GPIO_LID, GPIO_POSITIVE_EDGE_EN);
- cs5535_gpio_set(OLPC_GPIO_LID, GPIO_NEGATIVE_EDGE_STS);
- cs5535_gpio_set(OLPC_GPIO_LID, GPIO_POSITIVE_EDGE_STS);
-
- /* Set the LID to cause an PME event on group 6 */
- cs5535_gpio_setup_event(OLPC_GPIO_LID, 6, 1);
-
- /* Set PME group 6 to fire the SCI interrupt */
- cs5535_gpio_set_irq(6, sci_irq);
-
- /* Enable the event */
- cs5535_gpio_set(OLPC_GPIO_LID, GPIO_EVENTS_ENABLE);
-
- return 0;
-}
-
-static void free_lid_events(void)
-{
- gpio_free(OLPC_GPIO_LID);
-}
-
-static int __devinit setup_power_button(struct platform_device *pdev)
-{
- int r;
-
- power_button_idev = input_allocate_device();
- if (!power_button_idev)
- return -ENOMEM;
-
- power_button_idev->name = "Power Button";
- power_button_idev->phys = DRV_NAME "/input0";
- set_bit(EV_KEY, power_button_idev->evbit);
- set_bit(KEY_POWER, power_button_idev->keybit);
-
- power_button_idev->dev.parent = &pdev->dev;
- device_init_wakeup(&power_button_idev->dev, 1);
-
- r = input_register_device(power_button_idev);
- if (r) {
- dev_err(&pdev->dev, "failed to register power button: %d\n", r);
- input_free_device(power_button_idev);
- }
-
- return r;
-}
-
-static void free_power_button(void)
-{
- input_unregister_device(power_button_idev);
- input_free_device(power_button_idev);
-}
-
-static int __devinit setup_ebook_switch(struct platform_device *pdev)
-{
- int r;
-
- ebook_switch_idev = input_allocate_device();
- if (!ebook_switch_idev)
- return -ENOMEM;
-
- ebook_switch_idev->name = "EBook Switch";
- ebook_switch_idev->phys = DRV_NAME "/input1";
- set_bit(EV_SW, ebook_switch_idev->evbit);
- set_bit(SW_TABLET_MODE, ebook_switch_idev->swbit);
-
- ebook_switch_idev->dev.parent = &pdev->dev;
- device_set_wakeup_capable(&ebook_switch_idev->dev, true);
-
- r = input_register_device(ebook_switch_idev);
- if (r) {
- dev_err(&pdev->dev, "failed to register ebook switch: %d\n", r);
- input_free_device(ebook_switch_idev);
- }
-
- return r;
-}
-
-static void free_ebook_switch(void)
-{
- input_unregister_device(ebook_switch_idev);
- input_free_device(ebook_switch_idev);
-}
-
-static int __devinit setup_lid_switch(struct platform_device *pdev)
-{
- int r;
-
- lid_switch_idev = input_allocate_device();
- if (!lid_switch_idev)
- return -ENOMEM;
-
- lid_switch_idev->name = "Lid Switch";
- lid_switch_idev->phys = DRV_NAME "/input2";
- set_bit(EV_SW, lid_switch_idev->evbit);
- set_bit(SW_LID, lid_switch_idev->swbit);
-
- lid_switch_idev->dev.parent = &pdev->dev;
- device_set_wakeup_capable(&lid_switch_idev->dev, true);
-
- r = input_register_device(lid_switch_idev);
- if (r) {
- dev_err(&pdev->dev, "failed to register lid switch: %d\n", r);
- goto err_register;
- }
-
- r = device_create_file(&lid_switch_idev->dev, &dev_attr_lid_wake_mode);
- if (r) {
- dev_err(&pdev->dev, "failed to create wake mode attr: %d\n", r);
- goto err_create_attr;
- }
-
- return 0;
-
-err_create_attr:
- input_unregister_device(lid_switch_idev);
-err_register:
- input_free_device(lid_switch_idev);
- return r;
-}
-
-static void free_lid_switch(void)
-{
- device_remove_file(&lid_switch_idev->dev, &dev_attr_lid_wake_mode);
- input_unregister_device(lid_switch_idev);
- input_free_device(lid_switch_idev);
-}
-
-static int __devinit xo1_sci_probe(struct platform_device *pdev)
-{
- struct resource *res;
- int r;
-
- /* don't run on non-XOs */
- if (!machine_is_olpc())
- return -ENODEV;
-
- r = mfd_cell_enable(pdev);
- if (r)
- return r;
-
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
- if (!res) {
- dev_err(&pdev->dev, "can't fetch device resource info\n");
- return -EIO;
- }
- acpi_base = res->start;
-
- r = setup_power_button(pdev);
- if (r)
- return r;
-
- r = setup_ebook_switch(pdev);
- if (r)
- goto err_ebook;
-
- r = setup_lid_switch(pdev);
- if (r)
- goto err_lid;
-
- r = setup_lid_events();
- if (r)
- goto err_lidevt;
-
- r = setup_ec_sci();
- if (r)
- goto err_ecsci;
-
- /* Enable PME generation for EC-generated events */
- outl(CS5536_GPIOM6_PME_EN | CS5536_GPIOM7_PME_EN,
- acpi_base + CS5536_PM_GPE0_EN);
-
- /* Clear pending events */
- outl(0xffffffff, acpi_base + CS5536_PM_GPE0_STS);
- process_sci_queue(false);
-
- /* Initial sync */
- send_ebook_state();
- detect_lid_state();
- send_lid_state();
-
- r = setup_sci_interrupt(pdev);
- if (r)
- goto err_sci;
-
- /* Enable all EC events */
- olpc_ec_mask_write(EC_SCI_SRC_ALL);
-
- return r;
-
-err_sci:
- free_ec_sci();
-err_ecsci:
- free_lid_events();
-err_lidevt:
- free_lid_switch();
-err_lid:
- free_ebook_switch();
-err_ebook:
- free_power_button();
- return r;
-}
-
-static int __devexit xo1_sci_remove(struct platform_device *pdev)
-{
- mfd_cell_disable(pdev);
- free_irq(sci_irq, pdev);
- cancel_work_sync(&sci_work);
- free_ec_sci();
- free_lid_events();
- free_lid_switch();
- free_ebook_switch();
- free_power_button();
- acpi_base = 0;
- return 0;
-}
-
-static struct platform_driver xo1_sci_driver = {
- .driver = {
- .name = "olpc-xo1-sci-acpi",
- },
- .probe = xo1_sci_probe,
- .remove = __devexit_p(xo1_sci_remove),
- .suspend = xo1_sci_suspend,
- .resume = xo1_sci_resume,
-};
-
-static int __init xo1_sci_init(void)
-{
- return platform_driver_register(&xo1_sci_driver);
-}
-arch_initcall(xo1_sci_init);
diff --git a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo15-sci.c b/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo15-sci.c
deleted file mode 100644
index 23e5b9d7..00000000
--- a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc-xo15-sci.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * Support for OLPC XO-1.5 System Control Interrupts (SCI)
- *
- * Copyright (C) 2009-2010 One Laptop per Child
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/device.h>
-#include <linux/slab.h>
-#include <linux/workqueue.h>
-#include <linux/power_supply.h>
-
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-#include <asm/olpc.h>
-
-#define DRV_NAME "olpc-xo15-sci"
-#define PFX DRV_NAME ": "
-#define XO15_SCI_CLASS DRV_NAME
-#define XO15_SCI_DEVICE_NAME "OLPC XO-1.5 SCI"
-
-static unsigned long xo15_sci_gpe;
-static bool lid_wake_on_close;
-
-/*
- * The normal ACPI LID wakeup behavior is wake-on-open, but not
- * wake-on-close. This is implemented as standard by the XO-1.5 DSDT.
- *
- * We provide here a sysfs attribute that will additionally enable
- * wake-on-close behavior. This is useful (e.g.) when we oportunistically
- * suspend with the display running; if the lid is then closed, we want to
- * wake up to turn the display off.
- *
- * This is controlled through a custom method in the XO-1.5 DSDT.
- */
-static int set_lid_wake_behavior(bool wake_on_close)
-{
- struct acpi_object_list arg_list;
- union acpi_object arg;
- acpi_status status;
-
- arg_list.count = 1;
- arg_list.pointer = &arg;
- arg.type = ACPI_TYPE_INTEGER;
- arg.integer.value = wake_on_close;
-
- status = acpi_evaluate_object(NULL, "\\_SB.PCI0.LID.LIDW", &arg_list, NULL);
- if (ACPI_FAILURE(status)) {
- pr_warning(PFX "failed to set lid behavior\n");
- return 1;
- }
-
- lid_wake_on_close = wake_on_close;
-
- return 0;
-}
-
-static ssize_t
-lid_wake_on_close_show(struct kobject *s, struct kobj_attribute *attr, char *buf)
-{
- return sprintf(buf, "%u\n", lid_wake_on_close);
-}
-
-static ssize_t lid_wake_on_close_store(struct kobject *s,
- struct kobj_attribute *attr,
- const char *buf, size_t n)
-{
- unsigned int val;
-
- if (sscanf(buf, "%u", &val) != 1)
- return -EINVAL;
-
- set_lid_wake_behavior(!!val);
-
- return n;
-}
-
-static struct kobj_attribute lid_wake_on_close_attr =
- __ATTR(lid_wake_on_close, 0644,
- lid_wake_on_close_show,
- lid_wake_on_close_store);
-
-static void battery_status_changed(void)
-{
- struct power_supply *psy = power_supply_get_by_name("olpc-battery");
-
- if (psy) {
- power_supply_changed(psy);
- put_device(psy->dev);
- }
-}
-
-static void ac_status_changed(void)
-{
- struct power_supply *psy = power_supply_get_by_name("olpc-ac");
-
- if (psy) {
- power_supply_changed(psy);
- put_device(psy->dev);
- }
-}
-
-static void process_sci_queue(void)
-{
- u16 data;
- int r;
-
- do {
- r = olpc_ec_sci_query(&data);
- if (r || !data)
- break;
-
- pr_debug(PFX "SCI 0x%x received\n", data);
-
- switch (data) {
- case EC_SCI_SRC_BATERR:
- case EC_SCI_SRC_BATSOC:
- case EC_SCI_SRC_BATTERY:
- case EC_SCI_SRC_BATCRIT:
- battery_status_changed();
- break;
- case EC_SCI_SRC_ACPWR:
- ac_status_changed();
- break;
- }
- } while (data);
-
- if (r)
- pr_err(PFX "Failed to clear SCI queue");
-}
-
-static void process_sci_queue_work(struct work_struct *work)
-{
- process_sci_queue();
-}
-
-static DECLARE_WORK(sci_work, process_sci_queue_work);
-
-static u32 xo15_sci_gpe_handler(acpi_handle gpe_device, u32 gpe, void *context)
-{
- schedule_work(&sci_work);
- return ACPI_INTERRUPT_HANDLED | ACPI_REENABLE_GPE;
-}
-
-static int xo15_sci_add(struct acpi_device *device)
-{
- unsigned long long tmp;
- acpi_status status;
- int r;
-
- if (!device)
- return -EINVAL;
-
- strcpy(acpi_device_name(device), XO15_SCI_DEVICE_NAME);
- strcpy(acpi_device_class(device), XO15_SCI_CLASS);
-
- /* Get GPE bit assignment (EC events). */
- status = acpi_evaluate_integer(device->handle, "_GPE", NULL, &tmp);
- if (ACPI_FAILURE(status))
- return -EINVAL;
-
- xo15_sci_gpe = tmp;
- status = acpi_install_gpe_handler(NULL, xo15_sci_gpe,
- ACPI_GPE_EDGE_TRIGGERED,
- xo15_sci_gpe_handler, device);
- if (ACPI_FAILURE(status))
- return -ENODEV;
-
- dev_info(&device->dev, "Initialized, GPE = 0x%lx\n", xo15_sci_gpe);
-
- r = sysfs_create_file(&device->dev.kobj, &lid_wake_on_close_attr.attr);
- if (r)
- goto err_sysfs;
-
- /* Flush queue, and enable all SCI events */
- process_sci_queue();
- olpc_ec_mask_write(EC_SCI_SRC_ALL);
-
- acpi_enable_gpe(NULL, xo15_sci_gpe);
-
- /* Enable wake-on-EC */
- if (device->wakeup.flags.valid)
- device_init_wakeup(&device->dev, true);
-
- return 0;
-
-err_sysfs:
- acpi_remove_gpe_handler(NULL, xo15_sci_gpe, xo15_sci_gpe_handler);
- cancel_work_sync(&sci_work);
- return r;
-}
-
-static int xo15_sci_remove(struct acpi_device *device, int type)
-{
- acpi_disable_gpe(NULL, xo15_sci_gpe);
- acpi_remove_gpe_handler(NULL, xo15_sci_gpe, xo15_sci_gpe_handler);
- cancel_work_sync(&sci_work);
- sysfs_remove_file(&device->dev.kobj, &lid_wake_on_close_attr.attr);
- return 0;
-}
-
-static int xo15_sci_resume(struct acpi_device *device)
-{
- /* Enable all EC events */
- olpc_ec_mask_write(EC_SCI_SRC_ALL);
-
- /* Power/battery status might have changed */
- battery_status_changed();
- ac_status_changed();
-
- return 0;
-}
-
-static const struct acpi_device_id xo15_sci_device_ids[] = {
- {"XO15EC", 0},
- {"", 0},
-};
-
-static struct acpi_driver xo15_sci_drv = {
- .name = DRV_NAME,
- .class = XO15_SCI_CLASS,
- .ids = xo15_sci_device_ids,
- .ops = {
- .add = xo15_sci_add,
- .remove = xo15_sci_remove,
- .resume = xo15_sci_resume,
- },
-};
-
-static int __init xo15_sci_init(void)
-{
- return acpi_bus_register_driver(&xo15_sci_drv);
-}
-device_initcall(xo15_sci_init);
diff --git a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc.c b/ANDROID_3.4.5/arch/x86/platform/olpc/olpc.c
deleted file mode 100644
index a4bee53c..00000000
--- a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc.c
+++ /dev/null
@@ -1,476 +0,0 @@
-/*
- * Support for the OLPC DCON and OLPC EC access
- *
- * Copyright © 2006 Advanced Micro Devices, Inc.
- * Copyright © 2007-2008 Andres Salomon <dilinger@debian.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/spinlock.h>
-#include <linux/io.h>
-#include <linux/string.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-#include <linux/syscore_ops.h>
-#include <linux/debugfs.h>
-#include <linux/mutex.h>
-
-#include <asm/geode.h>
-#include <asm/setup.h>
-#include <asm/olpc.h>
-#include <asm/olpc_ofw.h>
-
-struct olpc_platform_t olpc_platform_info;
-EXPORT_SYMBOL_GPL(olpc_platform_info);
-
-static DEFINE_SPINLOCK(ec_lock);
-
-/* debugfs interface to EC commands */
-#define EC_MAX_CMD_ARGS (5 + 1) /* cmd byte + 5 args */
-#define EC_MAX_CMD_REPLY (8)
-
-static struct dentry *ec_debugfs_dir;
-static DEFINE_MUTEX(ec_debugfs_cmd_lock);
-static unsigned char ec_debugfs_resp[EC_MAX_CMD_REPLY];
-static unsigned int ec_debugfs_resp_bytes;
-
-/* EC event mask to be applied during suspend (defining wakeup sources). */
-static u16 ec_wakeup_mask;
-
-/* what the timeout *should* be (in ms) */
-#define EC_BASE_TIMEOUT 20
-
-/* the timeout that bugs in the EC might force us to actually use */
-static int ec_timeout = EC_BASE_TIMEOUT;
-
-static int __init olpc_ec_timeout_set(char *str)
-{
- if (get_option(&str, &ec_timeout) != 1) {
- ec_timeout = EC_BASE_TIMEOUT;
- printk(KERN_ERR "olpc-ec: invalid argument to "
- "'olpc_ec_timeout=', ignoring!\n");
- }
- printk(KERN_DEBUG "olpc-ec: using %d ms delay for EC commands.\n",
- ec_timeout);
- return 1;
-}
-__setup("olpc_ec_timeout=", olpc_ec_timeout_set);
-
-/*
- * These {i,o}bf_status functions return whether the buffers are full or not.
- */
-
-static inline unsigned int ibf_status(unsigned int port)
-{
- return !!(inb(port) & 0x02);
-}
-
-static inline unsigned int obf_status(unsigned int port)
-{
- return inb(port) & 0x01;
-}
-
-#define wait_on_ibf(p, d) __wait_on_ibf(__LINE__, (p), (d))
-static int __wait_on_ibf(unsigned int line, unsigned int port, int desired)
-{
- unsigned int timeo;
- int state = ibf_status(port);
-
- for (timeo = ec_timeout; state != desired && timeo; timeo--) {
- mdelay(1);
- state = ibf_status(port);
- }
-
- if ((state == desired) && (ec_timeout > EC_BASE_TIMEOUT) &&
- timeo < (ec_timeout - EC_BASE_TIMEOUT)) {
- printk(KERN_WARNING "olpc-ec: %d: waited %u ms for IBF!\n",
- line, ec_timeout - timeo);
- }
-
- return !(state == desired);
-}
-
-#define wait_on_obf(p, d) __wait_on_obf(__LINE__, (p), (d))
-static int __wait_on_obf(unsigned int line, unsigned int port, int desired)
-{
- unsigned int timeo;
- int state = obf_status(port);
-
- for (timeo = ec_timeout; state != desired && timeo; timeo--) {
- mdelay(1);
- state = obf_status(port);
- }
-
- if ((state == desired) && (ec_timeout > EC_BASE_TIMEOUT) &&
- timeo < (ec_timeout - EC_BASE_TIMEOUT)) {
- printk(KERN_WARNING "olpc-ec: %d: waited %u ms for OBF!\n",
- line, ec_timeout - timeo);
- }
-
- return !(state == desired);
-}
-
-/*
- * This allows the kernel to run Embedded Controller commands. The EC is
- * documented at <http://wiki.laptop.org/go/Embedded_controller>, and the
- * available EC commands are here:
- * <http://wiki.laptop.org/go/Ec_specification>. Unfortunately, while
- * OpenFirmware's source is available, the EC's is not.
- */
-int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
- unsigned char *outbuf, size_t outlen)
-{
- unsigned long flags;
- int ret = -EIO;
- int i;
- int restarts = 0;
-
- spin_lock_irqsave(&ec_lock, flags);
-
- /* Clear OBF */
- for (i = 0; i < 10 && (obf_status(0x6c) == 1); i++)
- inb(0x68);
- if (i == 10) {
- printk(KERN_ERR "olpc-ec: timeout while attempting to "
- "clear OBF flag!\n");
- goto err;
- }
-
- if (wait_on_ibf(0x6c, 0)) {
- printk(KERN_ERR "olpc-ec: timeout waiting for EC to "
- "quiesce!\n");
- goto err;
- }
-
-restart:
- /*
- * Note that if we time out during any IBF checks, that's a failure;
- * we have to return. There's no way for the kernel to clear that.
- *
- * If we time out during an OBF check, we can restart the command;
- * reissuing it will clear the OBF flag, and we should be alright.
- * The OBF flag will sometimes misbehave due to what we believe
- * is a hardware quirk..
- */
- pr_devel("olpc-ec: running cmd 0x%x\n", cmd);
- outb(cmd, 0x6c);
-
- if (wait_on_ibf(0x6c, 0)) {
- printk(KERN_ERR "olpc-ec: timeout waiting for EC to read "
- "command!\n");
- goto err;
- }
-
- if (inbuf && inlen) {
- /* write data to EC */
- for (i = 0; i < inlen; i++) {
- pr_devel("olpc-ec: sending cmd arg 0x%x\n", inbuf[i]);
- outb(inbuf[i], 0x68);
- if (wait_on_ibf(0x6c, 0)) {
- printk(KERN_ERR "olpc-ec: timeout waiting for"
- " EC accept data!\n");
- goto err;
- }
- }
- }
- if (outbuf && outlen) {
- /* read data from EC */
- for (i = 0; i < outlen; i++) {
- if (wait_on_obf(0x6c, 1)) {
- printk(KERN_ERR "olpc-ec: timeout waiting for"
- " EC to provide data!\n");
- if (restarts++ < 10)
- goto restart;
- goto err;
- }
- outbuf[i] = inb(0x68);
- pr_devel("olpc-ec: received 0x%x\n", outbuf[i]);
- }
- }
-
- ret = 0;
-err:
- spin_unlock_irqrestore(&ec_lock, flags);
- return ret;
-}
-EXPORT_SYMBOL_GPL(olpc_ec_cmd);
-
-void olpc_ec_wakeup_set(u16 value)
-{
- ec_wakeup_mask |= value;
-}
-EXPORT_SYMBOL_GPL(olpc_ec_wakeup_set);
-
-void olpc_ec_wakeup_clear(u16 value)
-{
- ec_wakeup_mask &= ~value;
-}
-EXPORT_SYMBOL_GPL(olpc_ec_wakeup_clear);
-
-/*
- * Returns true if the compile and runtime configurations allow for EC events
- * to wake the system.
- */
-bool olpc_ec_wakeup_available(void)
-{
- if (!machine_is_olpc())
- return false;
-
- /*
- * XO-1 EC wakeups are available when olpc-xo1-sci driver is
- * compiled in
- */
-#ifdef CONFIG_OLPC_XO1_SCI
- if (olpc_platform_info.boardrev < olpc_board_pre(0xd0)) /* XO-1 */
- return true;
-#endif
-
- /*
- * XO-1.5 EC wakeups are available when olpc-xo15-sci driver is
- * compiled in
- */
-#ifdef CONFIG_OLPC_XO15_SCI
- if (olpc_platform_info.boardrev >= olpc_board_pre(0xd0)) /* XO-1.5 */
- return true;
-#endif
-
- return false;
-}
-EXPORT_SYMBOL_GPL(olpc_ec_wakeup_available);
-
-int olpc_ec_mask_write(u16 bits)
-{
- if (olpc_platform_info.flags & OLPC_F_EC_WIDE_SCI) {
- __be16 ec_word = cpu_to_be16(bits);
- return olpc_ec_cmd(EC_WRITE_EXT_SCI_MASK, (void *) &ec_word, 2,
- NULL, 0);
- } else {
- unsigned char ec_byte = bits & 0xff;
- return olpc_ec_cmd(EC_WRITE_SCI_MASK, &ec_byte, 1, NULL, 0);
- }
-}
-EXPORT_SYMBOL_GPL(olpc_ec_mask_write);
-
-int olpc_ec_sci_query(u16 *sci_value)
-{
- int ret;
-
- if (olpc_platform_info.flags & OLPC_F_EC_WIDE_SCI) {
- __be16 ec_word;
- ret = olpc_ec_cmd(EC_EXT_SCI_QUERY,
- NULL, 0, (void *) &ec_word, 2);
- if (ret == 0)
- *sci_value = be16_to_cpu(ec_word);
- } else {
- unsigned char ec_byte;
- ret = olpc_ec_cmd(EC_SCI_QUERY, NULL, 0, &ec_byte, 1);
- if (ret == 0)
- *sci_value = ec_byte;
- }
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(olpc_ec_sci_query);
-
-static ssize_t ec_debugfs_cmd_write(struct file *file, const char __user *buf,
- size_t size, loff_t *ppos)
-{
- int i, m;
- unsigned char ec_cmd[EC_MAX_CMD_ARGS];
- unsigned int ec_cmd_int[EC_MAX_CMD_ARGS];
- char cmdbuf[64];
- int ec_cmd_bytes;
-
- mutex_lock(&ec_debugfs_cmd_lock);
-
- size = simple_write_to_buffer(cmdbuf, sizeof(cmdbuf), ppos, buf, size);
-
- m = sscanf(cmdbuf, "%x:%u %x %x %x %x %x", &ec_cmd_int[0],
- &ec_debugfs_resp_bytes,
- &ec_cmd_int[1], &ec_cmd_int[2], &ec_cmd_int[3],
- &ec_cmd_int[4], &ec_cmd_int[5]);
- if (m < 2 || ec_debugfs_resp_bytes > EC_MAX_CMD_REPLY) {
- /* reset to prevent overflow on read */
- ec_debugfs_resp_bytes = 0;
-
- printk(KERN_DEBUG "olpc-ec: bad ec cmd: "
- "cmd:response-count [arg1 [arg2 ...]]\n");
- size = -EINVAL;
- goto out;
- }
-
- /* convert scanf'd ints to char */
- ec_cmd_bytes = m - 2;
- for (i = 0; i <= ec_cmd_bytes; i++)
- ec_cmd[i] = ec_cmd_int[i];
-
- printk(KERN_DEBUG "olpc-ec: debugfs cmd 0x%02x with %d args "
- "%02x %02x %02x %02x %02x, want %d returns\n",
- ec_cmd[0], ec_cmd_bytes, ec_cmd[1], ec_cmd[2], ec_cmd[3],
- ec_cmd[4], ec_cmd[5], ec_debugfs_resp_bytes);
-
- olpc_ec_cmd(ec_cmd[0], (ec_cmd_bytes == 0) ? NULL : &ec_cmd[1],
- ec_cmd_bytes, ec_debugfs_resp, ec_debugfs_resp_bytes);
-
- printk(KERN_DEBUG "olpc-ec: response "
- "%02x %02x %02x %02x %02x %02x %02x %02x (%d bytes expected)\n",
- ec_debugfs_resp[0], ec_debugfs_resp[1], ec_debugfs_resp[2],
- ec_debugfs_resp[3], ec_debugfs_resp[4], ec_debugfs_resp[5],
- ec_debugfs_resp[6], ec_debugfs_resp[7], ec_debugfs_resp_bytes);
-
-out:
- mutex_unlock(&ec_debugfs_cmd_lock);
- return size;
-}
-
-static ssize_t ec_debugfs_cmd_read(struct file *file, char __user *buf,
- size_t size, loff_t *ppos)
-{
- unsigned int i, r;
- char *rp;
- char respbuf[64];
-
- mutex_lock(&ec_debugfs_cmd_lock);
- rp = respbuf;
- rp += sprintf(rp, "%02x", ec_debugfs_resp[0]);
- for (i = 1; i < ec_debugfs_resp_bytes; i++)
- rp += sprintf(rp, ", %02x", ec_debugfs_resp[i]);
- mutex_unlock(&ec_debugfs_cmd_lock);
- rp += sprintf(rp, "\n");
-
- r = rp - respbuf;
- return simple_read_from_buffer(buf, size, ppos, respbuf, r);
-}
-
-static const struct file_operations ec_debugfs_genops = {
- .write = ec_debugfs_cmd_write,
- .read = ec_debugfs_cmd_read,
-};
-
-static void setup_debugfs(void)
-{
- ec_debugfs_dir = debugfs_create_dir("olpc-ec", 0);
- if (ec_debugfs_dir == ERR_PTR(-ENODEV))
- return;
-
- debugfs_create_file("cmd", 0600, ec_debugfs_dir, NULL,
- &ec_debugfs_genops);
-}
-
-static int olpc_ec_suspend(void)
-{
- return olpc_ec_mask_write(ec_wakeup_mask);
-}
-
-static bool __init check_ofw_architecture(struct device_node *root)
-{
- const char *olpc_arch;
- int propsize;
-
- olpc_arch = of_get_property(root, "architecture", &propsize);
- return propsize == 5 && strncmp("OLPC", olpc_arch, 5) == 0;
-}
-
-static u32 __init get_board_revision(struct device_node *root)
-{
- int propsize;
- const __be32 *rev;
-
- rev = of_get_property(root, "board-revision-int", &propsize);
- if (propsize != 4)
- return 0;
-
- return be32_to_cpu(*rev);
-}
-
-static bool __init platform_detect(void)
-{
- struct device_node *root = of_find_node_by_path("/");
- bool success;
-
- if (!root)
- return false;
-
- success = check_ofw_architecture(root);
- if (success) {
- olpc_platform_info.boardrev = get_board_revision(root);
- olpc_platform_info.flags |= OLPC_F_PRESENT;
- }
-
- of_node_put(root);
- return success;
-}
-
-static int __init add_xo1_platform_devices(void)
-{
- struct platform_device *pdev;
-
- pdev = platform_device_register_simple("xo1-rfkill", -1, NULL, 0);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- pdev = platform_device_register_simple("olpc-xo1", -1, NULL, 0);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- return 0;
-}
-
-static struct syscore_ops olpc_syscore_ops = {
- .suspend = olpc_ec_suspend,
-};
-
-static int __init olpc_init(void)
-{
- int r = 0;
-
- if (!olpc_ofw_present() || !platform_detect())
- return 0;
-
- spin_lock_init(&ec_lock);
-
- /* assume B1 and above models always have a DCON */
- if (olpc_board_at_least(olpc_board(0xb1)))
- olpc_platform_info.flags |= OLPC_F_DCON;
-
- /* get the EC revision */
- olpc_ec_cmd(EC_FIRMWARE_REV, NULL, 0,
- (unsigned char *) &olpc_platform_info.ecver, 1);
-
-#ifdef CONFIG_PCI_OLPC
- /* If the VSA exists let it emulate PCI, if not emulate in kernel.
- * XO-1 only. */
- if (olpc_platform_info.boardrev < olpc_board_pre(0xd0) &&
- !cs5535_has_vsa2())
- x86_init.pci.arch_init = pci_olpc_init;
-#endif
- /* EC version 0x5f adds support for wide SCI mask */
- if (olpc_platform_info.ecver >= 0x5f)
- olpc_platform_info.flags |= OLPC_F_EC_WIDE_SCI;
-
- printk(KERN_INFO "OLPC board revision %s%X (EC=%x)\n",
- ((olpc_platform_info.boardrev & 0xf) < 8) ? "pre" : "",
- olpc_platform_info.boardrev >> 4,
- olpc_platform_info.ecver);
-
- if (olpc_platform_info.boardrev < olpc_board_pre(0xd0)) { /* XO-1 */
- r = add_xo1_platform_devices();
- if (r)
- return r;
- }
-
- register_syscore_ops(&olpc_syscore_ops);
- setup_debugfs();
-
- return 0;
-}
-
-postcore_initcall(olpc_init);
diff --git a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc_dt.c b/ANDROID_3.4.5/arch/x86/platform/olpc/olpc_dt.c
deleted file mode 100644
index d6ee9298..00000000
--- a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc_dt.c
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- * OLPC-specific OFW device tree support code.
- *
- * Paul Mackerras August 1996.
- * Copyright (C) 1996-2005 Paul Mackerras.
- *
- * Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner.
- * {engebret|bergner}@us.ibm.com
- *
- * Adapted for sparc by David S. Miller davem@davemloft.net
- * Adapted for x86/OLPC by Andres Salomon <dilinger@queued.net>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/kernel.h>
-#include <linux/bootmem.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/of_pdt.h>
-#include <asm/olpc.h>
-#include <asm/olpc_ofw.h>
-
-static phandle __init olpc_dt_getsibling(phandle node)
-{
- const void *args[] = { (void *)node };
- void *res[] = { &node };
-
- if ((s32)node == -1)
- return 0;
-
- if (olpc_ofw("peer", args, res) || (s32)node == -1)
- return 0;
-
- return node;
-}
-
-static phandle __init olpc_dt_getchild(phandle node)
-{
- const void *args[] = { (void *)node };
- void *res[] = { &node };
-
- if ((s32)node == -1)
- return 0;
-
- if (olpc_ofw("child", args, res) || (s32)node == -1) {
- pr_err("PROM: %s: fetching child failed!\n", __func__);
- return 0;
- }
-
- return node;
-}
-
-static int __init olpc_dt_getproplen(phandle node, const char *prop)
-{
- const void *args[] = { (void *)node, prop };
- int len;
- void *res[] = { &len };
-
- if ((s32)node == -1)
- return -1;
-
- if (olpc_ofw("getproplen", args, res)) {
- pr_err("PROM: %s: getproplen failed!\n", __func__);
- return -1;
- }
-
- return len;
-}
-
-static int __init olpc_dt_getproperty(phandle node, const char *prop,
- char *buf, int bufsize)
-{
- int plen;
-
- plen = olpc_dt_getproplen(node, prop);
- if (plen > bufsize || plen < 1) {
- return -1;
- } else {
- const void *args[] = { (void *)node, prop, buf, (void *)plen };
- void *res[] = { &plen };
-
- if (olpc_ofw("getprop", args, res)) {
- pr_err("PROM: %s: getprop failed!\n", __func__);
- return -1;
- }
- }
-
- return plen;
-}
-
-static int __init olpc_dt_nextprop(phandle node, char *prev, char *buf)
-{
- const void *args[] = { (void *)node, prev, buf };
- int success;
- void *res[] = { &success };
-
- buf[0] = '\0';
-
- if ((s32)node == -1)
- return -1;
-
- if (olpc_ofw("nextprop", args, res) || success != 1)
- return -1;
-
- return 0;
-}
-
-static int __init olpc_dt_pkg2path(phandle node, char *buf,
- const int buflen, int *len)
-{
- const void *args[] = { (void *)node, buf, (void *)buflen };
- void *res[] = { len };
-
- if ((s32)node == -1)
- return -1;
-
- if (olpc_ofw("package-to-path", args, res) || *len < 1)
- return -1;
-
- return 0;
-}
-
-static unsigned int prom_early_allocated __initdata;
-
-void * __init prom_early_alloc(unsigned long size)
-{
- static u8 *mem;
- static size_t free_mem;
- void *res;
-
- if (free_mem < size) {
- const size_t chunk_size = max(PAGE_SIZE, size);
-
- /*
- * To mimimize the number of allocations, grab at least
- * PAGE_SIZE of memory (that's an arbitrary choice that's
- * fast enough on the platforms we care about while minimizing
- * wasted bootmem) and hand off chunks of it to callers.
- */
- res = alloc_bootmem(chunk_size);
- BUG_ON(!res);
- prom_early_allocated += chunk_size;
- memset(res, 0, chunk_size);
- free_mem = chunk_size;
- mem = res;
- }
-
- /* allocate from the local cache */
- free_mem -= size;
- res = mem;
- mem += size;
- return res;
-}
-
-static struct of_pdt_ops prom_olpc_ops __initdata = {
- .nextprop = olpc_dt_nextprop,
- .getproplen = olpc_dt_getproplen,
- .getproperty = olpc_dt_getproperty,
- .getchild = olpc_dt_getchild,
- .getsibling = olpc_dt_getsibling,
- .pkg2path = olpc_dt_pkg2path,
-};
-
-static phandle __init olpc_dt_finddevice(const char *path)
-{
- phandle node;
- const void *args[] = { path };
- void *res[] = { &node };
-
- if (olpc_ofw("finddevice", args, res)) {
- pr_err("olpc_dt: finddevice failed!\n");
- return 0;
- }
-
- if ((s32) node == -1)
- return 0;
-
- return node;
-}
-
-static int __init olpc_dt_interpret(const char *words)
-{
- int result;
- const void *args[] = { words };
- void *res[] = { &result };
-
- if (olpc_ofw("interpret", args, res)) {
- pr_err("olpc_dt: interpret failed!\n");
- return -1;
- }
-
- return result;
-}
-
-/*
- * Extract board revision directly from OFW device tree.
- * We can't use olpc_platform_info because that hasn't been set up yet.
- */
-static u32 __init olpc_dt_get_board_revision(void)
-{
- phandle node;
- __be32 rev;
- int r;
-
- node = olpc_dt_finddevice("/");
- if (!node)
- return 0;
-
- r = olpc_dt_getproperty(node, "board-revision-int",
- (char *) &rev, sizeof(rev));
- if (r < 0)
- return 0;
-
- return be32_to_cpu(rev);
-}
-
-void __init olpc_dt_fixup(void)
-{
- int r;
- char buf[64];
- phandle node;
- u32 board_rev;
-
- node = olpc_dt_finddevice("/battery@0");
- if (!node)
- return;
-
- /*
- * If the battery node has a compatible property, we are running a new
- * enough firmware and don't have fixups to make.
- */
- r = olpc_dt_getproperty(node, "compatible", buf, sizeof(buf));
- if (r > 0)
- return;
-
- pr_info("PROM DT: Old firmware detected, applying fixes\n");
-
- /* Add olpc,xo1-battery compatible marker to battery node */
- olpc_dt_interpret("\" /battery@0\" find-device"
- " \" olpc,xo1-battery\" +compatible"
- " device-end");
-
- board_rev = olpc_dt_get_board_revision();
- if (!board_rev)
- return;
-
- if (board_rev >= olpc_board_pre(0xd0)) {
- /* XO-1.5: add dcon device */
- olpc_dt_interpret("\" /pci/display@1\" find-device"
- " new-device"
- " \" dcon\" device-name \" olpc,xo1-dcon\" +compatible"
- " finish-device device-end");
- } else {
- /* XO-1: add dcon device, mark RTC as olpc,xo1-rtc */
- olpc_dt_interpret("\" /pci/display@1,1\" find-device"
- " new-device"
- " \" dcon\" device-name \" olpc,xo1-dcon\" +compatible"
- " finish-device device-end"
- " \" /rtc\" find-device"
- " \" olpc,xo1-rtc\" +compatible"
- " device-end");
- }
-}
-
-void __init olpc_dt_build_devicetree(void)
-{
- phandle root;
-
- if (!olpc_ofw_is_installed())
- return;
-
- olpc_dt_fixup();
-
- root = olpc_dt_getsibling(0);
- if (!root) {
- pr_err("PROM: unable to get root node from OFW!\n");
- return;
- }
- of_pdt_build_devicetree(root, &prom_olpc_ops);
-
- pr_info("PROM DT: Built device tree with %u bytes of memory.\n",
- prom_early_allocated);
-}
-
-/* A list of DT node/bus matches that we want to expose as platform devices */
-static struct of_device_id __initdata of_ids[] = {
- { .compatible = "olpc,xo1-battery" },
- { .compatible = "olpc,xo1-dcon" },
- { .compatible = "olpc,xo1-rtc" },
- {},
-};
-
-static int __init olpc_create_platform_devices(void)
-{
- if (machine_is_olpc())
- return of_platform_bus_probe(NULL, of_ids, NULL);
- else
- return 0;
-}
-device_initcall(olpc_create_platform_devices);
diff --git a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc_ofw.c b/ANDROID_3.4.5/arch/x86/platform/olpc/olpc_ofw.c
deleted file mode 100644
index e7604f62..00000000
--- a/ANDROID_3.4.5/arch/x86/platform/olpc/olpc_ofw.c
+++ /dev/null
@@ -1,117 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <asm/page.h>
-#include <asm/setup.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/olpc_ofw.h>
-
-/* address of OFW callback interface; will be NULL if OFW isn't found */
-static int (*olpc_ofw_cif)(int *);
-
-/* page dir entry containing OFW's pgdir table; filled in by head_32.S */
-u32 olpc_ofw_pgd __initdata;
-
-static DEFINE_SPINLOCK(ofw_lock);
-
-#define MAXARGS 10
-
-void __init setup_olpc_ofw_pgd(void)
-{
- pgd_t *base, *ofw_pde;
-
- if (!olpc_ofw_cif)
- return;
-
- /* fetch OFW's PDE */
- base = early_ioremap(olpc_ofw_pgd, sizeof(olpc_ofw_pgd) * PTRS_PER_PGD);
- if (!base) {
- printk(KERN_ERR "failed to remap OFW's pgd - disabling OFW!\n");
- olpc_ofw_cif = NULL;
- return;
- }
- ofw_pde = &base[OLPC_OFW_PDE_NR];
-
- /* install OFW's PDE permanently into the kernel's pgtable */
- set_pgd(&swapper_pg_dir[OLPC_OFW_PDE_NR], *ofw_pde);
- /* implicit optimization barrier here due to uninline function return */
-
- early_iounmap(base, sizeof(olpc_ofw_pgd) * PTRS_PER_PGD);
-}
-
-int __olpc_ofw(const char *name, int nr_args, const void **args, int nr_res,
- void **res)
-{
- int ofw_args[MAXARGS + 3];
- unsigned long flags;
- int ret, i, *p;
-
- BUG_ON(nr_args + nr_res > MAXARGS);
-
- if (!olpc_ofw_cif)
- return -EIO;
-
- ofw_args[0] = (int)name;
- ofw_args[1] = nr_args;
- ofw_args[2] = nr_res;
-
- p = &ofw_args[3];
- for (i = 0; i < nr_args; i++, p++)
- *p = (int)args[i];
-
- /* call into ofw */
- spin_lock_irqsave(&ofw_lock, flags);
- ret = olpc_ofw_cif(ofw_args);
- spin_unlock_irqrestore(&ofw_lock, flags);
-
- if (!ret) {
- for (i = 0; i < nr_res; i++, p++)
- *((int *)res[i]) = *p;
- }
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(__olpc_ofw);
-
-bool olpc_ofw_present(void)
-{
- return olpc_ofw_cif != NULL;
-}
-EXPORT_SYMBOL_GPL(olpc_ofw_present);
-
-/* OFW cif _should_ be above this address */
-#define OFW_MIN 0xff000000
-
-/* OFW starts on a 1MB boundary */
-#define OFW_BOUND (1<<20)
-
-void __init olpc_ofw_detect(void)
-{
- struct olpc_ofw_header *hdr = &boot_params.olpc_ofw_header;
- unsigned long start;
-
- /* ensure OFW booted us by checking for "OFW " string */
- if (hdr->ofw_magic != OLPC_OFW_SIG)
- return;
-
- olpc_ofw_cif = (int (*)(int *))hdr->cif_handler;
-
- if ((unsigned long)olpc_ofw_cif < OFW_MIN) {
- printk(KERN_ERR "OFW detected, but cif has invalid address 0x%lx - disabling.\n",
- (unsigned long)olpc_ofw_cif);
- olpc_ofw_cif = NULL;
- return;
- }
-
- /* determine where OFW starts in memory */
- start = round_down((unsigned long)olpc_ofw_cif, OFW_BOUND);
- printk(KERN_INFO "OFW detected in memory, cif @ 0x%lx (reserving top %ldMB)\n",
- (unsigned long)olpc_ofw_cif, (-start) >> 20);
- reserve_top_address(-start);
-}
-
-bool __init olpc_ofw_is_installed(void)
-{
- return olpc_ofw_cif != NULL;
-}
diff --git a/ANDROID_3.4.5/arch/x86/platform/olpc/xo1-wakeup.S b/ANDROID_3.4.5/arch/x86/platform/olpc/xo1-wakeup.S
deleted file mode 100644
index 948deb28..00000000
--- a/ANDROID_3.4.5/arch/x86/platform/olpc/xo1-wakeup.S
+++ /dev/null
@@ -1,124 +0,0 @@
-.text
-#include <linux/linkage.h>
-#include <asm/segment.h>
-#include <asm/page.h>
-#include <asm/pgtable_32.h>
-
- .macro writepost,value
- movb $0x34, %al
- outb %al, $0x70
- movb $\value, %al
- outb %al, $0x71
- .endm
-
-wakeup_start:
- # OFW lands us here, running in protected mode, with a
- # kernel-compatible GDT already setup.
-
- # Clear any dangerous flags
- pushl $0
- popfl
-
- writepost 0x31
-
- # Set up %cr3
- movl $initial_page_table - __PAGE_OFFSET, %eax
- movl %eax, %cr3
-
- movl saved_cr4, %eax
- movl %eax, %cr4
-
- movl saved_cr0, %eax
- movl %eax, %cr0
-
- # Control registers were modified, pipeline resync is needed
- jmp 1f
-1:
-
- movw $__KERNEL_DS, %ax
- movw %ax, %ss
- movw %ax, %ds
- movw %ax, %es
- movw %ax, %fs
- movw %ax, %gs
-
- lgdt saved_gdt
- lidt saved_idt
- lldt saved_ldt
- ljmp $(__KERNEL_CS),$1f
-1:
- movl %cr3, %eax
- movl %eax, %cr3
- wbinvd
-
- # Go back to the return point
- jmp ret_point
-
-save_registers:
- sgdt saved_gdt
- sidt saved_idt
- sldt saved_ldt
-
- pushl %edx
- movl %cr4, %edx
- movl %edx, saved_cr4
-
- movl %cr0, %edx
- movl %edx, saved_cr0
-
- popl %edx
-
- movl %ebx, saved_context_ebx
- movl %ebp, saved_context_ebp
- movl %esi, saved_context_esi
- movl %edi, saved_context_edi
-
- pushfl
- popl saved_context_eflags
-
- ret
-
-restore_registers:
- movl saved_context_ebp, %ebp
- movl saved_context_ebx, %ebx
- movl saved_context_esi, %esi
- movl saved_context_edi, %edi
-
- pushl saved_context_eflags
- popfl
-
- ret
-
-ENTRY(do_olpc_suspend_lowlevel)
- call save_processor_state
- call save_registers
-
- # This is the stack context we want to remember
- movl %esp, saved_context_esp
-
- pushl $3
- call xo1_do_sleep
-
- jmp wakeup_start
- .p2align 4,,7
-ret_point:
- movl saved_context_esp, %esp
-
- writepost 0x32
-
- call restore_registers
- call restore_processor_state
- ret
-
-.data
-saved_gdt: .long 0,0
-saved_idt: .long 0,0
-saved_ldt: .long 0
-saved_cr4: .long 0
-saved_cr0: .long 0
-saved_context_esp: .long 0
-saved_context_edi: .long 0
-saved_context_esi: .long 0
-saved_context_ebx: .long 0
-saved_context_ebp: .long 0
-saved_context_eflags: .long 0