Commit db72219b authored by Andy Grover's avatar Andy Grover

Merge groveronline.com:/root/bk/linux-2.5

into groveronline.com:/root/bk/linux-acpi
parents be8013e8 2a7a8597
...@@ -516,6 +516,14 @@ running once the system is up. ...@@ -516,6 +516,14 @@ running once the system is up.
[KNL,BOOT] Force usage of a specific region of memory [KNL,BOOT] Force usage of a specific region of memory
Region of memory to be used, from ss to ss+nn. Region of memory to be used, from ss to ss+nn.
mem=nn[KMG]#ss[KMG]
[KNL,BOOT,ACPI] Mark specific memory as ACPI data.
Region of memory to be used, from ss to ss+nn.
mem=nn[KMG]$ss[KMG]
[KNL,BOOT,ACPI] Mark specific memory as reserved.
Region of memory to be used, from ss to ss+nn.
mem=nopentium [BUGS=IA-32] Disable usage of 4MB pages for kernel mem=nopentium [BUGS=IA-32] Disable usage of 4MB pages for kernel
memory. memory.
......
...@@ -319,6 +319,31 @@ ret_point: ...@@ -319,6 +319,31 @@ ret_point:
pushl saved_context_eflags ; popfl pushl saved_context_eflags ; popfl
ret ret
ENTRY(do_suspend_lowlevel_s4bios)
cmpl $0,4(%esp)
jne ret_point
call save_processor_state
movl %esp, saved_context_esp
movl %eax, saved_context_eax
movl %ebx, saved_context_ebx
movl %ecx, saved_context_ecx
movl %edx, saved_context_edx
movl %ebp, saved_context_ebp
movl %esi, saved_context_esi
movl %edi, saved_context_edi
pushfl ; popl saved_context_eflags
movl $ret_point,saved_eip
movl %esp,saved_esp
movl %ebp,saved_ebp
movl %ebx,saved_ebx
movl %edi,saved_edi
movl %esi,saved_esi
call acpi_enter_sleep_state_s4bios
ret
ALIGN ALIGN
# saved registers # saved registers
saved_gdt: .long 0,0 saved_gdt: .long 0,0
......
...@@ -552,6 +552,12 @@ static void __init parse_cmdline_early (char ** cmdline_p) ...@@ -552,6 +552,12 @@ static void __init parse_cmdline_early (char ** cmdline_p)
if (*from == '@') { if (*from == '@') {
start_at = memparse(from+1, &from); start_at = memparse(from+1, &from);
add_memory_region(start_at, mem_size, E820_RAM); add_memory_region(start_at, mem_size, E820_RAM);
} else if (*from == '#') {
start_at = memparse(from+1, &from);
add_memory_region(start_at, mem_size, E820_ACPI);
} else if (*from == '$') {
start_at = memparse(from+1, &from);
add_memory_region(start_at, mem_size, E820_RESERVED);
} else { } else {
limit_regions(mem_size); limit_regions(mem_size);
userdef=1; userdef=1;
......
...@@ -6,6 +6,7 @@ menu "ACPI Support" ...@@ -6,6 +6,7 @@ menu "ACPI Support"
config ACPI config ACPI
bool "ACPI Support" if X86 bool "ACPI Support" if X86
depends on !X86_VISWS
default y if IA64 && (!IA64_HP_SIM || IA64_SGI_SN) default y if IA64 && (!IA64_HP_SIM || IA64_SGI_SN)
---help--- ---help---
Advanced Configuration and Power Interface (ACPI) support for Advanced Configuration and Power Interface (ACPI) support for
......
...@@ -4,6 +4,6 @@ ...@@ -4,6 +4,6 @@
obj-y := evevent.o evregion.o evsci.o evxfevnt.o \ obj-y := evevent.o evregion.o evsci.o evxfevnt.o \
evmisc.o evrgnini.o evxface.o evxfregn.o \ evmisc.o evrgnini.o evxface.o evxfregn.o \
evgpe.o evgpe.o evgpeblk.o
EXTRA_CFLAGS += $(ACPI_CFLAGS) EXTRA_CFLAGS += $(ACPI_CFLAGS)
/******************************************************************************
*
* Module Name: evgpeblk - GPE block creation and initialization.
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2003, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include <acpi/acevents.h>
#include <acpi/acnamesp.h>
#define _COMPONENT ACPI_EVENTS
ACPI_MODULE_NAME ("evgpe")
/*******************************************************************************
*
* FUNCTION: acpi_ev_save_method_info
*
* PARAMETERS: Callback from walk_namespace
*
* RETURN: None
*
* DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
* control method under the _GPE portion of the namespace.
* Extract the name and GPE type from the object, saving this
* information for quick lookup during GPE dispatch
*
* The name of each GPE control method is of the form:
* "_Lnn" or "_Enn"
* Where:
* L - means that the GPE is level triggered
* E - means that the GPE is edge triggered
* nn - is the GPE number [in HEX]
*
******************************************************************************/
static acpi_status
acpi_ev_save_method_info (
acpi_handle obj_handle,
u32 level,
void *obj_desc,
void **return_value)
{
struct acpi_gpe_block_info *gpe_block = (void *) obj_desc;
struct acpi_gpe_event_info *gpe_event_info;
u32 gpe_number;
char name[ACPI_NAME_SIZE + 1];
u8 type;
acpi_status status;
ACPI_FUNCTION_NAME ("ev_save_method_info");
/* Extract the name from the object and convert to a string */
ACPI_MOVE_UNALIGNED32_TO_32 (name,
&((struct acpi_namespace_node *) obj_handle)->name.integer);
name[ACPI_NAME_SIZE] = 0;
/*
* Edge/Level determination is based on the 2nd character of the method name
*/
switch (name[1]) {
case 'L':
type = ACPI_EVENT_LEVEL_TRIGGERED;
break;
case 'E':
type = ACPI_EVENT_EDGE_TRIGGERED;
break;
default:
/* Unknown method type, just ignore it! */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Unknown GPE method type: %s (name not of form _Lnn or _Enn)\n",
name));
return (AE_OK);
}
/* Convert the last two characters of the name to the GPE Number */
gpe_number = ACPI_STRTOUL (&name[2], NULL, 16);
if (gpe_number == ACPI_UINT32_MAX) {
/* Conversion failed; invalid method, just ignore it */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not extract GPE number from name: %s (name is not of form _Lnn or _Enn)\n",
name));
return (AE_OK);
}
/* Ensure that we have a valid GPE number for this GPE block */
if ((gpe_number < gpe_block->block_base_number) ||
(gpe_number >= (gpe_block->register_count * 8))) {
/* Not valid, all we can do here is ignore it */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"GPE number associated with method %s is not valid\n", name));
return (AE_OK);
}
/*
* Now we can add this information to the gpe_event_info block
* for use during dispatch of this GPE.
*/
gpe_event_info = &gpe_block->event_info[gpe_number - gpe_block->block_base_number];
gpe_event_info->type = type;
gpe_event_info->method_node = (struct acpi_namespace_node *) obj_handle;
/*
* Enable the GPE (SCIs should be disabled at this point)
*/
status = acpi_hw_enable_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
return (status);
}
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Registered GPE method %s as GPE number %2.2X\n",
name, gpe_number));
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_install_gpe_block
*
* PARAMETERS: gpe_block - New GPE block
*
* RETURN: Status
*
* DESCRIPTION: Install new GPE block with mutex support
*
******************************************************************************/
acpi_status
acpi_ev_install_gpe_block (
struct acpi_gpe_block_info *gpe_block)
{
struct acpi_gpe_block_info *next_gpe_block;
acpi_status status;
status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
if (ACPI_FAILURE (status)) {
return (status);
}
/* Install the new block at the end of the global list */
if (acpi_gbl_gpe_block_list_head) {
next_gpe_block = acpi_gbl_gpe_block_list_head;
while (next_gpe_block->next) {
next_gpe_block = next_gpe_block->next;
}
next_gpe_block->next = gpe_block;
gpe_block->previous = next_gpe_block;
}
else {
acpi_gbl_gpe_block_list_head = gpe_block;
}
status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
return (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_create_gpe_info_blocks
*
* PARAMETERS: gpe_block - New GPE block
*
* RETURN: Status
*
* DESCRIPTION: Create the register_info and event_info blocks for this GPE block
*
******************************************************************************/
acpi_status
acpi_ev_create_gpe_info_blocks (
struct acpi_gpe_block_info *gpe_block)
{
struct acpi_gpe_register_info *gpe_register_info = NULL;
struct acpi_gpe_event_info *gpe_event_info = NULL;
struct acpi_gpe_event_info *this_event;
struct acpi_gpe_register_info *this_register;
acpi_native_uint i;
acpi_native_uint j;
acpi_status status;
ACPI_FUNCTION_TRACE ("ev_create_gpe_info_blocks");
/* Allocate the GPE register information block */
gpe_register_info = ACPI_MEM_CALLOCATE (
(acpi_size) gpe_block->register_count *
sizeof (struct acpi_gpe_register_info));
if (!gpe_register_info) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not allocate the gpe_register_info table\n"));
return_ACPI_STATUS (AE_NO_MEMORY);
}
/*
* Allocate the GPE event_info block. There are eight distinct GPEs
* per register. Initialization to zeros is sufficient.
*/
gpe_event_info = ACPI_MEM_CALLOCATE (
((acpi_size) gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) *
sizeof (struct acpi_gpe_event_info));
if (!gpe_event_info) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not allocate the gpe_event_info table\n"));
status = AE_NO_MEMORY;
goto error_exit;
}
/*
* Initialize the GPE Register and Event structures. A goal of these
* tables is to hide the fact that there are two separate GPE register sets
* in a given gpe hardware block, the status registers occupy the first half,
* and the enable registers occupy the second half. Another goal is to hide
* the fact that there may be multiple GPE hardware blocks.
*/
this_register = gpe_register_info;
this_event = gpe_event_info;
for (i = 0; i < gpe_block->register_count; i++) {
/* Init the register_info for this GPE register (8 GPEs) */
this_register->base_gpe_number = (u8) (gpe_block->block_base_number +
(i * ACPI_GPE_REGISTER_WIDTH));
ACPI_STORE_ADDRESS (this_register->status_address.address,
(gpe_block->block_address.address
+ i));
ACPI_STORE_ADDRESS (this_register->enable_address.address,
(gpe_block->block_address.address
+ i
+ gpe_block->register_count));
this_register->status_address.address_space_id = gpe_block->block_address.address_space_id;
this_register->enable_address.address_space_id = gpe_block->block_address.address_space_id;
this_register->status_address.register_bit_width = ACPI_GPE_REGISTER_WIDTH;
this_register->enable_address.register_bit_width = ACPI_GPE_REGISTER_WIDTH;
this_register->status_address.register_bit_offset = ACPI_GPE_REGISTER_WIDTH;
this_register->enable_address.register_bit_offset = ACPI_GPE_REGISTER_WIDTH;
/* Init the event_info for each GPE within this register */
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
this_event->bit_mask = acpi_gbl_decode_to8bit[j];
this_event->register_info = this_register;
this_event++;
}
/*
* Clear the status/enable registers. Note that status registers
* are cleared by writing a '1', while enable registers are cleared
* by writing a '0'.
*/
status = acpi_hw_low_level_write (ACPI_GPE_REGISTER_WIDTH, 0x00,
&this_register->enable_address, 0);
if (ACPI_FAILURE (status)) {
goto error_exit;
}
status = acpi_hw_low_level_write (ACPI_GPE_REGISTER_WIDTH, 0xFF,
&this_register->status_address, 0);
if (ACPI_FAILURE (status)) {
goto error_exit;
}
this_register++;
}
gpe_block->register_info = gpe_register_info;
gpe_block->event_info = gpe_event_info;
return_ACPI_STATUS (AE_OK);
error_exit:
if (gpe_register_info) {
ACPI_MEM_FREE (gpe_register_info);
}
if (gpe_event_info) {
ACPI_MEM_FREE (gpe_event_info);
}
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_create_gpe_block
*
* PARAMETERS: TBD
*
* RETURN: Status
*
* DESCRIPTION: Create and Install a block of GPE registers
*
******************************************************************************/
acpi_status
acpi_ev_create_gpe_block (
char *pathname,
struct acpi_generic_address *gpe_block_address,
u32 register_count,
u8 gpe_block_base_number,
u32 interrupt_level)
{
struct acpi_gpe_block_info *gpe_block;
acpi_status status;
acpi_handle obj_handle;
ACPI_FUNCTION_TRACE ("ev_create_gpe_block");
if (!register_count) {
return_ACPI_STATUS (AE_OK);
}
/* Get a handle to the parent object for this GPE block */
status = acpi_get_handle (NULL, pathname, &obj_handle);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
/* Allocate a new GPE block */
gpe_block = ACPI_MEM_CALLOCATE (sizeof (struct acpi_gpe_block_info));
if (!gpe_block) {
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Initialize the new GPE block */
gpe_block->register_count = register_count;
gpe_block->block_base_number = gpe_block_base_number;
ACPI_MEMCPY (&gpe_block->block_address, gpe_block_address, sizeof (struct acpi_generic_address));
/* Create the register_info and event_info sub-structures */
status = acpi_ev_create_gpe_info_blocks (gpe_block);
if (ACPI_FAILURE (status)) {
ACPI_MEM_FREE (gpe_block);
return_ACPI_STATUS (status);
}
/* Install the new block in the global list(s) */
/* TBD: Install block in the interrupt handler list */
status = acpi_ev_install_gpe_block (gpe_block);
if (ACPI_FAILURE (status)) {
ACPI_MEM_FREE (gpe_block);
return_ACPI_STATUS (status);
}
/* Dump info about this GPE block */
ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "GPE Block: %X registers at %8.8X%8.8X\n",
gpe_block->register_count,
ACPI_HIDWORD (gpe_block->block_address.address),
ACPI_LODWORD (gpe_block->block_address.address)));
ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "GPE Block defined as GPE%d to GPE%d\n",
gpe_block->block_base_number,
(u32) (gpe_block->block_base_number +
((gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) -1))));
/* Find all GPE methods (_Lxx, _Exx) for this block */
status = acpi_walk_namespace (ACPI_TYPE_METHOD, obj_handle,
ACPI_UINT32_MAX, acpi_ev_save_method_info,
gpe_block, NULL);
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_gpe_initialize
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initialize the GPE data structures
*
******************************************************************************/
acpi_status
acpi_ev_gpe_initialize (void)
{
u32 register_count0 = 0;
u32 register_count1 = 0;
u32 gpe_number_max = 0;
ACPI_FUNCTION_TRACE ("ev_gpe_initialize");
/*
* Initialize the GPE Blocks defined in the FADT
*
* Why the GPE register block lengths are divided by 2: From the ACPI Spec,
* section "General-Purpose Event Registers", we have:
*
* "Each register block contains two registers of equal length
* GPEx_STS and GPEx_EN (where x is 0 or 1). The length of the
* GPE0_STS and GPE0_EN registers is equal to half the GPE0_LEN
* The length of the GPE1_STS and GPE1_EN registers is equal to
* half the GPE1_LEN. If a generic register block is not supported
* then its respective block pointer and block length values in the
* FADT table contain zeros. The GPE0_LEN and GPE1_LEN do not need
* to be the same size."
*/
/*
* Determine the maximum GPE number for this machine.
*
* Note: both GPE0 and GPE1 are optional, and either can exist without
* the other.
* If EITHER the register length OR the block address are zero, then that
* particular block is not supported.
*/
if (acpi_gbl_FADT->gpe0_blk_len &&
acpi_gbl_FADT->xgpe0_blk.address) {
/* GPE block 0 exists (has both length and address > 0) */
register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2);
gpe_number_max = (register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1;
acpi_ev_create_gpe_block ("\\_GPE", &acpi_gbl_FADT->xgpe0_blk,
register_count0, 0, acpi_gbl_FADT->sci_int);
}
if (acpi_gbl_FADT->gpe1_blk_len &&
acpi_gbl_FADT->xgpe1_blk.address) {
/* GPE block 1 exists (has both length and address > 0) */
register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2);
/* Check for GPE0/GPE1 overlap (if both banks exist) */
if ((register_count0) &&
(gpe_number_max >= acpi_gbl_FADT->gpe1_base)) {
ACPI_REPORT_ERROR ((
"GPE0 block (GPE 0 to %d) overlaps the GPE1 block (GPE %d to %d) - Ignoring GPE1\n",
gpe_number_max, acpi_gbl_FADT->gpe1_base,
acpi_gbl_FADT->gpe1_base +
((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1)));
/* Ignore GPE1 block by setting the register count to zero */
register_count1 = 0;
}
else {
acpi_ev_create_gpe_block ("\\_GPE", &acpi_gbl_FADT->xgpe1_blk,
register_count1, acpi_gbl_FADT->gpe1_base, acpi_gbl_FADT->sci_int);
/*
* GPE0 and GPE1 do not have to be contiguous in the GPE number space,
* But, GPE0 always starts at zero.
*/
gpe_number_max = acpi_gbl_FADT->gpe1_base +
((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
}
}
/* Exit if there are no GPE registers */
if ((register_count0 + register_count1) == 0) {
/* GPEs are not required by ACPI, this is OK */
ACPI_REPORT_INFO (("There are no GPE blocks defined in the FADT\n"));
return_ACPI_STATUS (AE_OK);
}
/* Check for Max GPE number out-of-range */
if (gpe_number_max > ACPI_GPE_MAX) {
ACPI_REPORT_ERROR (("Maximum GPE number from FADT is too large: 0x%X\n",
gpe_number_max));
return_ACPI_STATUS (AE_BAD_VALUE);
}
return_ACPI_STATUS (AE_OK);
}
...@@ -335,6 +335,51 @@ acpi_enter_sleep_state ( ...@@ -335,6 +335,51 @@ acpi_enter_sleep_state (
return_ACPI_STATUS (AE_OK); return_ACPI_STATUS (AE_OK);
} }
/******************************************************************************
*
* FUNCTION: acpi_enter_sleep_state_s4bios
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Perform a S4 bios request.
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
acpi_status
acpi_enter_sleep_state_s4bios (
void)
{
u32 in_value;
acpi_status status;
ACPI_FUNCTION_TRACE ("acpi_enter_sleep_state_s4bios");
acpi_set_register (ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_LOCK);
acpi_hw_clear_acpi_status();
acpi_hw_disable_non_wakeup_gpes();
ACPI_FLUSH_CPU_CACHE();
status = acpi_os_write_port (acpi_gbl_FADT->smi_cmd, (acpi_integer) acpi_gbl_FADT->S4bios_req, 8);
do {
acpi_os_stall(1000);
status = acpi_get_register (ACPI_BITREG_WAKE_STATUS, &in_value, ACPI_MTX_LOCK);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
} while (!in_value);
return_ACPI_STATUS (AE_OK);
}
/****************************************************************************** /******************************************************************************
* *
* FUNCTION: acpi_leave_sleep_state * FUNCTION: acpi_leave_sleep_state
......
...@@ -514,10 +514,12 @@ acpi_os_write_pci_configuration ( ...@@ -514,10 +514,12 @@ acpi_os_write_pci_configuration (
/* TODO: Change code to take advantage of driver model more */ /* TODO: Change code to take advantage of driver model more */
void void
acpi_os_derive_pci_id ( acpi_os_derive_pci_id_2 (
acpi_handle rhandle, /* upper bound */ acpi_handle rhandle, /* upper bound */
acpi_handle chandle, /* current node */ acpi_handle chandle, /* current node */
struct acpi_pci_id **id) struct acpi_pci_id **id,
int *is_bridge,
u8 *bus_number)
{ {
acpi_handle handle; acpi_handle handle;
struct acpi_pci_id *pci_id = *id; struct acpi_pci_id *pci_id = *id;
...@@ -528,7 +530,7 @@ acpi_os_derive_pci_id ( ...@@ -528,7 +530,7 @@ acpi_os_derive_pci_id (
acpi_get_parent(chandle, &handle); acpi_get_parent(chandle, &handle);
if (handle != rhandle) { if (handle != rhandle) {
acpi_os_derive_pci_id(rhandle, handle, &pci_id); acpi_os_derive_pci_id_2(rhandle, handle, &pci_id, is_bridge, bus_number);
status = acpi_get_type(handle, &type); status = acpi_get_type(handle, &type);
if ( (ACPI_FAILURE(status)) || (type != ACPI_TYPE_DEVICE) ) if ( (ACPI_FAILURE(status)) || (type != ACPI_TYPE_DEVICE) )
...@@ -539,17 +541,42 @@ acpi_os_derive_pci_id ( ...@@ -539,17 +541,42 @@ acpi_os_derive_pci_id (
pci_id->device = ACPI_HIWORD (ACPI_LODWORD (temp)); pci_id->device = ACPI_HIWORD (ACPI_LODWORD (temp));
pci_id->function = ACPI_LOWORD (ACPI_LODWORD (temp)); pci_id->function = ACPI_LOWORD (ACPI_LODWORD (temp));
if (*is_bridge)
pci_id->bus = *bus_number;
/* any nicer way to get bus number of bridge ? */ /* any nicer way to get bus number of bridge ? */
status = acpi_os_read_pci_configuration(pci_id, 0x0e, &tu8, 8); status = acpi_os_read_pci_configuration(pci_id, 0x0e, &tu8, 8);
if (ACPI_SUCCESS(status) && (tu8 & 0x7f) == 1) { if (ACPI_SUCCESS(status) &&
((tu8 & 0x7f) == 1 || (tu8 & 0x7f) == 2)) {
status = acpi_os_read_pci_configuration(pci_id, 0x18, &tu8, 8);
if (!ACPI_SUCCESS(status)) {
/* Certainly broken... FIX ME */
return;
}
*is_bridge = 1;
pci_id->bus = tu8;
status = acpi_os_read_pci_configuration(pci_id, 0x19, &tu8, 8); status = acpi_os_read_pci_configuration(pci_id, 0x19, &tu8, 8);
if (ACPI_SUCCESS(status)) if (ACPI_SUCCESS(status)) {
pci_id->bus = tu8; *bus_number = tu8;
} }
} else
*is_bridge = 0;
} }
} }
} }
void
acpi_os_derive_pci_id (
acpi_handle rhandle, /* upper bound */
acpi_handle chandle, /* current node */
struct acpi_pci_id **id)
{
int is_bridge = 1;
u8 bus_number = (*id)->bus;
acpi_os_derive_pci_id_2(rhandle, chandle, id, &is_bridge, &bus_number);
}
#else /*!CONFIG_ACPI_PCI*/ #else /*!CONFIG_ACPI_PCI*/
acpi_status acpi_status
......
...@@ -1560,7 +1560,7 @@ acpi_processor_get_info ( ...@@ -1560,7 +1560,7 @@ acpi_processor_get_info (
acpi_status status = 0; acpi_status status = 0;
union acpi_object object = {0}; union acpi_object object = {0};
struct acpi_buffer buffer = {sizeof(union acpi_object), &object}; struct acpi_buffer buffer = {sizeof(union acpi_object), &object};
static int cpu_count = 0; static int cpu_index = 0;
ACPI_FUNCTION_TRACE("acpi_processor_get_info"); ACPI_FUNCTION_TRACE("acpi_processor_get_info");
...@@ -1570,6 +1570,13 @@ acpi_processor_get_info ( ...@@ -1570,6 +1570,13 @@ acpi_processor_get_info (
if (num_online_cpus() > 1) if (num_online_cpus() > 1)
errata.smp = TRUE; errata.smp = TRUE;
/*
* Extra Processor objects may be enumerated on MP systems with
* less than the max # of CPUs. They should be ignored.
*/
if ((cpu_index + 1) > num_online_cpus())
return_VALUE(-ENODEV);
acpi_processor_errata(pr); acpi_processor_errata(pr);
/* /*
...@@ -1601,7 +1608,7 @@ acpi_processor_get_info ( ...@@ -1601,7 +1608,7 @@ acpi_processor_get_info (
* TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP. * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
* >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c * >>> 'acpi_get_processor_id(acpi_id, &id)' in arch/xxx/acpi.c
*/ */
pr->id = cpu_count++; pr->id = cpu_index++;
pr->acpi_id = object.processor.proc_id; pr->acpi_id = object.processor.proc_id;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id, ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id,
...@@ -1609,21 +1616,17 @@ acpi_processor_get_info ( ...@@ -1609,21 +1616,17 @@ acpi_processor_get_info (
if (!object.processor.pblk_address) if (!object.processor.pblk_address)
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n")); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
else if (object.processor.pblk_length < 4) else if (object.processor.pblk_length != 6)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid PBLK length [%d]\n", ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid PBLK length [%d]\n",
object.processor.pblk_length)); object.processor.pblk_length));
else { else {
pr->throttling.address = object.processor.pblk_address; pr->throttling.address = object.processor.pblk_address;
pr->throttling.duty_offset = acpi_fadt.duty_offset; pr->throttling.duty_offset = acpi_fadt.duty_offset;
pr->throttling.duty_width = acpi_fadt.duty_width; pr->throttling.duty_width = acpi_fadt.duty_width;
pr->power.states[ACPI_STATE_C2].address =
if (object.processor.pblk_length >= 5) object.processor.pblk_address + 4;
pr->power.states[ACPI_STATE_C2].address = pr->power.states[ACPI_STATE_C3].address =
object.processor.pblk_address + 4; object.processor.pblk_address + 5;
if (object.processor.pblk_length >= 6)
pr->power.states[ACPI_STATE_C3].address =
object.processor.pblk_address + 5;
} }
acpi_processor_get_power_info(pr); acpi_processor_get_power_info(pr);
......
...@@ -379,6 +379,7 @@ acpi_table_get_sdt ( ...@@ -379,6 +379,7 @@ acpi_table_get_sdt (
sdt.pa = ((struct acpi20_table_rsdp*)rsdp)->xsdt_address; sdt.pa = ((struct acpi20_table_rsdp*)rsdp)->xsdt_address;
/* map in just the header */
header = (struct acpi_table_header *) header = (struct acpi_table_header *)
__acpi_map_table(sdt.pa, sizeof(struct acpi_table_header)); __acpi_map_table(sdt.pa, sizeof(struct acpi_table_header));
...@@ -387,6 +388,15 @@ acpi_table_get_sdt ( ...@@ -387,6 +388,15 @@ acpi_table_get_sdt (
return -ENODEV; return -ENODEV;
} }
/* remap in the entire table before processing */
mapped_xsdt = (struct acpi_table_xsdt *)
__acpi_map_table(sdt.pa, header->length);
if (!mapped_xsdt) {
printk(KERN_WARNING PREFIX "Unable to map XSDT\n");
return -ENODEV;
}
header = &mapped_xsdt->header;
if (strncmp(header->signature, "XSDT", 4)) { if (strncmp(header->signature, "XSDT", 4)) {
printk(KERN_WARNING PREFIX "XSDT signature incorrect\n"); printk(KERN_WARNING PREFIX "XSDT signature incorrect\n");
return -ENODEV; return -ENODEV;
...@@ -404,15 +414,6 @@ acpi_table_get_sdt ( ...@@ -404,15 +414,6 @@ acpi_table_get_sdt (
sdt.count = ACPI_MAX_TABLES; sdt.count = ACPI_MAX_TABLES;
} }
mapped_xsdt = (struct acpi_table_xsdt *)
__acpi_map_table(sdt.pa, header->length);
if (!mapped_xsdt) {
printk(KERN_WARNING PREFIX "Unable to map XSDT\n");
return -ENODEV;
}
header = &mapped_xsdt->header;
for (i = 0; i < sdt.count; i++) for (i = 0; i < sdt.count; i++)
sdt.entry[i].pa = (unsigned long) mapped_xsdt->entry[i]; sdt.entry[i].pa = (unsigned long) mapped_xsdt->entry[i];
} }
...@@ -425,6 +426,7 @@ acpi_table_get_sdt ( ...@@ -425,6 +426,7 @@ acpi_table_get_sdt (
sdt.pa = rsdp->rsdt_address; sdt.pa = rsdp->rsdt_address;
/* map in just the header */
header = (struct acpi_table_header *) header = (struct acpi_table_header *)
__acpi_map_table(sdt.pa, sizeof(struct acpi_table_header)); __acpi_map_table(sdt.pa, sizeof(struct acpi_table_header));
if (!header) { if (!header) {
...@@ -432,6 +434,15 @@ acpi_table_get_sdt ( ...@@ -432,6 +434,15 @@ acpi_table_get_sdt (
return -ENODEV; return -ENODEV;
} }
/* remap in the entire table before processing */
mapped_rsdt = (struct acpi_table_rsdt *)
__acpi_map_table(sdt.pa, header->length);
if (!mapped_rsdt) {
printk(KERN_WARNING PREFIX "Unable to map RSDT\n");
return -ENODEV;
}
header = &mapped_rsdt->header;
if (strncmp(header->signature, "RSDT", 4)) { if (strncmp(header->signature, "RSDT", 4)) {
printk(KERN_WARNING PREFIX "RSDT signature incorrect\n"); printk(KERN_WARNING PREFIX "RSDT signature incorrect\n");
return -ENODEV; return -ENODEV;
...@@ -449,15 +460,6 @@ acpi_table_get_sdt ( ...@@ -449,15 +460,6 @@ acpi_table_get_sdt (
sdt.count = ACPI_MAX_TABLES; sdt.count = ACPI_MAX_TABLES;
} }
mapped_rsdt = (struct acpi_table_rsdt *)
__acpi_map_table(sdt.pa, header->length);
if (!mapped_rsdt) {
printk(KERN_WARNING PREFIX "Unable to map RSDT\n");
return -ENODEV;
}
header = &mapped_rsdt->header;
for (i = 0; i < sdt.count; i++) for (i = 0; i < sdt.count; i++)
sdt.entry[i].pa = (unsigned long) mapped_rsdt->entry[i]; sdt.entry[i].pa = (unsigned long) mapped_rsdt->entry[i];
} }
...@@ -471,12 +473,20 @@ acpi_table_get_sdt ( ...@@ -471,12 +473,20 @@ acpi_table_get_sdt (
for (i = 0; i < sdt.count; i++) { for (i = 0; i < sdt.count; i++) {
/* map in just the header */
header = (struct acpi_table_header *) header = (struct acpi_table_header *)
__acpi_map_table(sdt.entry[i].pa, __acpi_map_table(sdt.entry[i].pa,
sizeof(struct acpi_table_header)); sizeof(struct acpi_table_header));
if (!header) if (!header)
continue; continue;
/* remap in the entire table before processing */
header = (struct acpi_table_header *)
__acpi_map_table(sdt.entry[i].pa,
header->length);
if (!header)
continue;
acpi_table_print(header, sdt.entry[i].pa); acpi_table_print(header, sdt.entry[i].pa);
if (acpi_table_compute_checksum(header, header->length)) { if (acpi_table_compute_checksum(header, header->length)) {
......
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