[PATCH 55/140] ACPICA: Fix for FADT conversion in 64-bit mode

Len Brown
2007-02-07T18:54:14Z

From: Bob Moore <robert.moore@intel.com>

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
drivers/acpi/tables/tbutils.c | 21 ++++++++++++++-------
1 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index 2f4ab75..77c7e87 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -131,6 +131,8 @@ acpi_tb_print_table_header(acpi_physical_address address,
((struct acpi_table_rsdp *)header)->revision,
((struct acpi_table_rsdp *)header)->oem_id));
} else {
+ /* Standard ACPI table with full common header */
+
ACPI_INFO((AE_INFO,
"%4.4s @ 0x%p/0x%04X (v%3.3d %6.6s %8.8s 0x%08X %4.4s 0x%08X)",
header->signature, ACPI_CAST_PTR(void, address),
@@ -160,7 +162,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
u8 bit_width, u64 address)
{

- ACPI_STORE_ADDRESS(new_gas_struct->address, address);
+ ACPI_MOVE_64_TO_64(&new_gas_struct->address, &address);
new_gas_struct->space_id = ACPI_ADR_SPACE_SYSTEM_IO;
new_gas_struct->bit_width = bit_width;
new_gas_struct->bit_offset = 0;
@@ -284,13 +286,15 @@ static void acpi_tb_convert_fadt(void)
ACPI_ADD_PTR(struct acpi_generic_address, &acpi_gbl_FADT,
fadt_conversion_table[i].target);

+ /* Expand only if the X target is null */
+
if (!target->address) {
acpi_tb_init_generic_address(target,
*ACPI_ADD_PTR(u8,
&acpi_gbl_FADT,
fadt_conversion_table
[i].length),
- *ACPI_ADD_PTR(u64,
+ *ACPI_ADD_PTR(u32,
&acpi_gbl_FADT,
fadt_conversion_table
[i].source));
@@ -301,6 +305,10 @@ static void acpi_tb_convert_fadt(void)
* Calculate separate GAS structs for the PM1 Enable registers.
* These addresses do not appear (directly) in the FADT, so it is
* useful to calculate them once, here.
+ *
+ * The PM event blocks are split into two register blocks, first is the
+ * PM Status Register block, followed immediately by the PM Enable Register
+ * block. Each is of length (pm1_event_length/2)
*/
pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length);

@@ -308,17 +316,16 @@ static void acpi_tb_convert_fadt(void)

acpi_tb_init_generic_address(&acpi_gbl_xpm1a_enable,
pm1_register_length,
- (u64) (acpi_gbl_FADT.xpm1a_event_block.
- address + pm1_register_length));
+ (acpi_gbl_FADT.xpm1a_event_block.address +
+ pm1_register_length));

/* PM1B is optional; leave null if not present */

if (acpi_gbl_FADT.xpm1b_event_block.address) {
acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,
pm1_register_length,
- (u64) (acpi_gbl_FADT.
- xpm1b_event_block.address +
- pm1_register_length));
+ (acpi_gbl_FADT.xpm1b_event_block.
+ address + pm1_register_length));
}

/* Global FADT is the new common V2.0 FADT */
--
1.5.0.rc3.39.gec804