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authorIngo Molnar <mingo@elte.hu>2012-01-04 09:00:43 -0500
committerIngo Molnar <mingo@elte.hu>2012-01-04 09:01:28 -0500
commitadaf4ed2abbd285c93808060924eeec3af483aee (patch)
tree425c6c37c08af0b69efaa7457c9b428eda347c36 /arch/x86/platform
parentca3d30cc02f780f68771087040ce935add6ba2b7 (diff)
parent5f0a6e2d503896062f641639dacfe5055c2f593b (diff)
Merge commit 'v3.2-rc7' into x86/asm
Merge reason: Update from -rc4 to -rc7. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/platform')
-rw-r--r--arch/x86/platform/efi/efi_32.c48
-rw-r--r--arch/x86/platform/mrst/mrst.c68
2 files changed, 59 insertions, 57 deletions
diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c
index e36bf714cb77..40e446941dd7 100644
--- a/arch/x86/platform/efi/efi_32.c
+++ b/arch/x86/platform/efi/efi_32.c
@@ -39,43 +39,14 @@
39 */ 39 */
40 40
41static unsigned long efi_rt_eflags; 41static unsigned long efi_rt_eflags;
42static pgd_t efi_bak_pg_dir_pointer[2];
43 42
44void efi_call_phys_prelog(void) 43void efi_call_phys_prelog(void)
45{ 44{
46 unsigned long cr4;
47 unsigned long temp;
48 struct desc_ptr gdt_descr; 45 struct desc_ptr gdt_descr;
49 46
50 local_irq_save(efi_rt_eflags); 47 local_irq_save(efi_rt_eflags);
51 48
52 /* 49 load_cr3(initial_page_table);
53 * If I don't have PAE, I should just duplicate two entries in page
54 * directory. If I have PAE, I just need to duplicate one entry in
55 * page directory.
56 */
57 cr4 = read_cr4_safe();
58
59 if (cr4 & X86_CR4_PAE) {
60 efi_bak_pg_dir_pointer[0].pgd =
61 swapper_pg_dir[pgd_index(0)].pgd;
62 swapper_pg_dir[0].pgd =
63 swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd;
64 } else {
65 efi_bak_pg_dir_pointer[0].pgd =
66 swapper_pg_dir[pgd_index(0)].pgd;
67 efi_bak_pg_dir_pointer[1].pgd =
68 swapper_pg_dir[pgd_index(0x400000)].pgd;
69 swapper_pg_dir[pgd_index(0)].pgd =
70 swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd;
71 temp = PAGE_OFFSET + 0x400000;
72 swapper_pg_dir[pgd_index(0x400000)].pgd =
73 swapper_pg_dir[pgd_index(temp)].pgd;
74 }
75
76 /*
77 * After the lock is released, the original page table is restored.
78 */
79 __flush_tlb_all(); 50 __flush_tlb_all();
80 51
81 gdt_descr.address = __pa(get_cpu_gdt_table(0)); 52 gdt_descr.address = __pa(get_cpu_gdt_table(0));
@@ -85,28 +56,13 @@ void efi_call_phys_prelog(void)
85 56
86void efi_call_phys_epilog(void) 57void efi_call_phys_epilog(void)
87{ 58{
88 unsigned long cr4;
89 struct desc_ptr gdt_descr; 59 struct desc_ptr gdt_descr;
90 60
91 gdt_descr.address = (unsigned long)get_cpu_gdt_table(0); 61 gdt_descr.address = (unsigned long)get_cpu_gdt_table(0);
92 gdt_descr.size = GDT_SIZE - 1; 62 gdt_descr.size = GDT_SIZE - 1;
93 load_gdt(&gdt_descr); 63 load_gdt(&gdt_descr);
94 64
95 cr4 = read_cr4_safe(); 65 load_cr3(swapper_pg_dir);
96
97 if (cr4 & X86_CR4_PAE) {
98 swapper_pg_dir[pgd_index(0)].pgd =
99 efi_bak_pg_dir_pointer[0].pgd;
100 } else {
101 swapper_pg_dir[pgd_index(0)].pgd =
102 efi_bak_pg_dir_pointer[0].pgd;
103 swapper_pg_dir[pgd_index(0x400000)].pgd =
104 efi_bak_pg_dir_pointer[1].pgd;
105 }
106
107 /*
108 * After the lock is released, the original page table is restored.
109 */
110 __flush_tlb_all(); 66 __flush_tlb_all();
111 67
112 local_irq_restore(efi_rt_eflags); 68 local_irq_restore(efi_rt_eflags);
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index b1489a06a49d..ad4ec1cb097e 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -76,6 +76,20 @@ struct sfi_rtc_table_entry sfi_mrtc_array[SFI_MRTC_MAX];
76EXPORT_SYMBOL_GPL(sfi_mrtc_array); 76EXPORT_SYMBOL_GPL(sfi_mrtc_array);
77int sfi_mrtc_num; 77int sfi_mrtc_num;
78 78
79static void mrst_power_off(void)
80{
81 if (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT)
82 intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 1);
83}
84
85static void mrst_reboot(void)
86{
87 if (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT)
88 intel_scu_ipc_simple_command(IPCMSG_COLD_RESET, 0);
89 else
90 intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0);
91}
92
79/* parse all the mtimer info to a static mtimer array */ 93/* parse all the mtimer info to a static mtimer array */
80static int __init sfi_parse_mtmr(struct sfi_table_header *table) 94static int __init sfi_parse_mtmr(struct sfi_table_header *table)
81{ 95{
@@ -265,17 +279,6 @@ static int mrst_i8042_detect(void)
265 return 0; 279 return 0;
266} 280}
267 281
268/* Reboot and power off are handled by the SCU on a MID device */
269static void mrst_power_off(void)
270{
271 intel_scu_ipc_simple_command(0xf1, 1);
272}
273
274static void mrst_reboot(void)
275{
276 intel_scu_ipc_simple_command(0xf1, 0);
277}
278
279/* 282/*
280 * Moorestown does not have external NMI source nor port 0x61 to report 283 * Moorestown does not have external NMI source nor port 0x61 to report
281 * NMI status. The possible NMI sources are from pmu as a result of NMI 284 * NMI status. The possible NMI sources are from pmu as a result of NMI
@@ -484,6 +487,46 @@ static void __init *max7315_platform_data(void *info)
484 return max7315; 487 return max7315;
485} 488}
486 489
490static void *tca6416_platform_data(void *info)
491{
492 static struct pca953x_platform_data tca6416;
493 struct i2c_board_info *i2c_info = info;
494 int gpio_base, intr;
495 char base_pin_name[SFI_NAME_LEN + 1];
496 char intr_pin_name[SFI_NAME_LEN + 1];
497
498 strcpy(i2c_info->type, "tca6416");
499 strcpy(base_pin_name, "tca6416_base");
500 strcpy(intr_pin_name, "tca6416_int");
501
502 gpio_base = get_gpio_by_name(base_pin_name);
503 intr = get_gpio_by_name(intr_pin_name);
504
505 if (gpio_base == -1)
506 return NULL;
507 tca6416.gpio_base = gpio_base;
508 if (intr != -1) {
509 i2c_info->irq = intr + MRST_IRQ_OFFSET;
510 tca6416.irq_base = gpio_base + MRST_IRQ_OFFSET;
511 } else {
512 i2c_info->irq = -1;
513 tca6416.irq_base = -1;
514 }
515 return &tca6416;
516}
517
518static void *mpu3050_platform_data(void *info)
519{
520 struct i2c_board_info *i2c_info = info;
521 int intr = get_gpio_by_name("mpu3050_int");
522
523 if (intr == -1)
524 return NULL;
525
526 i2c_info->irq = intr + MRST_IRQ_OFFSET;
527 return NULL;
528}
529
487static void __init *emc1403_platform_data(void *info) 530static void __init *emc1403_platform_data(void *info)
488{ 531{
489 static short intr2nd_pdata; 532 static short intr2nd_pdata;
@@ -646,12 +689,15 @@ static void *msic_ocd_platform_data(void *info)
646static const struct devs_id __initconst device_ids[] = { 689static const struct devs_id __initconst device_ids[] = {
647 {"bma023", SFI_DEV_TYPE_I2C, 1, &no_platform_data}, 690 {"bma023", SFI_DEV_TYPE_I2C, 1, &no_platform_data},
648 {"pmic_gpio", SFI_DEV_TYPE_SPI, 1, &pmic_gpio_platform_data}, 691 {"pmic_gpio", SFI_DEV_TYPE_SPI, 1, &pmic_gpio_platform_data},
692 {"pmic_gpio", SFI_DEV_TYPE_IPC, 1, &pmic_gpio_platform_data},
649 {"spi_max3111", SFI_DEV_TYPE_SPI, 0, &max3111_platform_data}, 693 {"spi_max3111", SFI_DEV_TYPE_SPI, 0, &max3111_platform_data},
650 {"i2c_max7315", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data}, 694 {"i2c_max7315", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data},
651 {"i2c_max7315_2", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data}, 695 {"i2c_max7315_2", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data},
696 {"tca6416", SFI_DEV_TYPE_I2C, 1, &tca6416_platform_data},
652 {"emc1403", SFI_DEV_TYPE_I2C, 1, &emc1403_platform_data}, 697 {"emc1403", SFI_DEV_TYPE_I2C, 1, &emc1403_platform_data},
653 {"i2c_accel", SFI_DEV_TYPE_I2C, 0, &lis331dl_platform_data}, 698 {"i2c_accel", SFI_DEV_TYPE_I2C, 0, &lis331dl_platform_data},
654 {"pmic_audio", SFI_DEV_TYPE_IPC, 1, &no_platform_data}, 699 {"pmic_audio", SFI_DEV_TYPE_IPC, 1, &no_platform_data},
700 {"mpu3050", SFI_DEV_TYPE_I2C, 1, &mpu3050_platform_data},
655 701
656 /* MSIC subdevices */ 702 /* MSIC subdevices */
657 {"msic_battery", SFI_DEV_TYPE_IPC, 1, &msic_battery_platform_data}, 703 {"msic_battery", SFI_DEV_TYPE_IPC, 1, &msic_battery_platform_data},