2 /*******************************************************************************
4 * Module Name: hwregs - Read/write access functions for the various ACPI
5 * control and status registers.
7 ******************************************************************************/
10 * Copyright (C) 2000 - 2006, R. Byron Moore
11 * All rights reserved.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions, and the following disclaimer,
18 * without modification.
19 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
20 * substantially similar to the "NO WARRANTY" disclaimer below
21 * ("Disclaimer") and any redistribution must be conditioned upon
22 * including a substantially similar Disclaimer requirement for further
23 * binary redistribution.
24 * 3. Neither the names of the above-listed copyright holders nor the names
25 * of any contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
28 * Alternatively, this software may be distributed under the terms of the
29 * GNU General Public License ("GPL") version 2 as published by the Free
30 * Software Foundation.
33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
37 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
38 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
39 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
42 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
43 * POSSIBILITY OF SUCH DAMAGES.
46 #include <linux/module.h>
48 #include <acpi/acpi.h>
49 #include <acpi/acnamesp.h>
50 #include <acpi/acevents.h>
52 #define _COMPONENT ACPI_HARDWARE
53 ACPI_MODULE_NAME("hwregs")
55 /*******************************************************************************
57 * FUNCTION: acpi_hw_clear_acpi_status
59 * PARAMETERS: Flags - Lock the hardware or not
63 * DESCRIPTION: Clears all fixed and general purpose status bits
64 * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
66 ******************************************************************************/
67 acpi_status acpi_hw_clear_acpi_status(u32 flags)
71 ACPI_FUNCTION_TRACE("hw_clear_acpi_status");
73 ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %04X\n",
74 ACPI_BITMASK_ALL_FIXED_STATUS,
75 (u16) acpi_gbl_FADT->xpm1a_evt_blk.address));
77 if (flags & ACPI_MTX_LOCK) {
78 status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
79 if (ACPI_FAILURE(status)) {
80 return_ACPI_STATUS(status);
84 status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
85 ACPI_REGISTER_PM1_STATUS,
86 ACPI_BITMASK_ALL_FIXED_STATUS);
87 if (ACPI_FAILURE(status)) {
91 /* Clear the fixed events */
93 if (acpi_gbl_FADT->xpm1b_evt_blk.address) {
95 acpi_hw_low_level_write(16, ACPI_BITMASK_ALL_FIXED_STATUS,
96 &acpi_gbl_FADT->xpm1b_evt_blk);
97 if (ACPI_FAILURE(status)) {
102 /* Clear the GPE Bits in all GPE registers in all GPE blocks */
104 status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block);
107 if (flags & ACPI_MTX_LOCK) {
108 (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
110 return_ACPI_STATUS(status);
113 /*******************************************************************************
115 * FUNCTION: acpi_get_sleep_type_data
117 * PARAMETERS: sleep_state - Numeric sleep state
118 * *sleep_type_a - Where SLP_TYPa is returned
119 * *sleep_type_b - Where SLP_TYPb is returned
121 * RETURN: Status - ACPI status
123 * DESCRIPTION: Obtain the SLP_TYPa and SLP_TYPb values for the requested sleep
126 ******************************************************************************/
129 acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
131 acpi_status status = AE_OK;
132 struct acpi_parameter_info info;
133 char *sleep_state_name;
135 ACPI_FUNCTION_TRACE("acpi_get_sleep_type_data");
137 /* Validate parameters */
139 if ((sleep_state > ACPI_S_STATES_MAX) || !sleep_type_a || !sleep_type_b) {
140 return_ACPI_STATUS(AE_BAD_PARAMETER);
143 /* Evaluate the namespace object containing the values for this state */
145 info.parameters = NULL;
146 info.return_object = NULL;
148 ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]);
150 status = acpi_ns_evaluate_by_name(sleep_state_name, &info);
151 if (ACPI_FAILURE(status)) {
152 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
153 "%s while evaluating sleep_state [%s]\n",
154 acpi_format_exception(status),
157 return_ACPI_STATUS(status);
160 /* Must have a return object */
162 if (!info.return_object) {
163 ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]",
165 status = AE_NOT_EXIST;
168 /* It must be of type Package */
170 else if (ACPI_GET_OBJECT_TYPE(info.return_object) != ACPI_TYPE_PACKAGE) {
172 "Sleep State return object is not a Package"));
173 status = AE_AML_OPERAND_TYPE;
177 * The package must have at least two elements. NOTE (March 2005): This
178 * goes against the current ACPI spec which defines this object as a
179 * package with one encoded DWORD element. However, existing practice
180 * by BIOS vendors seems to be to have 2 or more elements, at least
181 * one per sleep type (A/B).
183 else if (info.return_object->package.count < 2) {
185 "Sleep State return package does not have at least two elements"));
186 status = AE_AML_NO_OPERAND;
189 /* The first two elements must both be of type Integer */
191 else if ((ACPI_GET_OBJECT_TYPE(info.return_object->package.elements[0])
192 != ACPI_TYPE_INTEGER) ||
193 (ACPI_GET_OBJECT_TYPE(info.return_object->package.elements[1])
194 != ACPI_TYPE_INTEGER)) {
196 "Sleep State return package elements are not both Integers (%s, %s)",
197 acpi_ut_get_object_type_name(info.return_object->
198 package.elements[0]),
199 acpi_ut_get_object_type_name(info.return_object->
200 package.elements[1])));
201 status = AE_AML_OPERAND_TYPE;
203 /* Valid _Sx_ package size, type, and value */
206 (info.return_object->package.elements[0])->integer.value;
208 (info.return_object->package.elements[1])->integer.value;
211 if (ACPI_FAILURE(status)) {
212 ACPI_EXCEPTION((AE_INFO, status,
213 "While evaluating sleep_state [%s], bad Sleep object %p type %s",
214 sleep_state_name, info.return_object,
215 acpi_ut_get_object_type_name(info.
219 acpi_ut_remove_reference(info.return_object);
220 return_ACPI_STATUS(status);
223 EXPORT_SYMBOL(acpi_get_sleep_type_data);
225 /*******************************************************************************
227 * FUNCTION: acpi_hw_get_register_bit_mask
229 * PARAMETERS: register_id - Index of ACPI Register to access
231 * RETURN: The bitmask to be used when accessing the register
233 * DESCRIPTION: Map register_id into a register bitmask.
235 ******************************************************************************/
237 struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
239 ACPI_FUNCTION_ENTRY();
241 if (register_id > ACPI_BITREG_MAX) {
242 ACPI_ERROR((AE_INFO, "Invalid bit_register ID: %X",
247 return (&acpi_gbl_bit_register_info[register_id]);
250 /*******************************************************************************
252 * FUNCTION: acpi_get_register
254 * PARAMETERS: register_id - ID of ACPI bit_register to access
255 * return_value - Value that was read from the register
256 * Flags - Lock the hardware or not
258 * RETURN: Status and the value read from specified Register. Value
259 * returned is normalized to bit0 (is shifted all the way right)
261 * DESCRIPTION: ACPI bit_register read function.
263 ******************************************************************************/
265 acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
267 u32 register_value = 0;
268 struct acpi_bit_register_info *bit_reg_info;
271 ACPI_FUNCTION_TRACE("acpi_get_register");
273 /* Get the info structure corresponding to the requested ACPI Register */
275 bit_reg_info = acpi_hw_get_bit_register_info(register_id);
277 return_ACPI_STATUS(AE_BAD_PARAMETER);
280 if (flags & ACPI_MTX_LOCK) {
281 status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
282 if (ACPI_FAILURE(status)) {
283 return_ACPI_STATUS(status);
287 /* Read from the register */
289 status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
290 bit_reg_info->parent_register,
293 if (flags & ACPI_MTX_LOCK) {
294 (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
297 if (ACPI_SUCCESS(status)) {
299 /* Normalize the value that was read */
302 ((register_value & bit_reg_info->access_bit_mask)
303 >> bit_reg_info->bit_position);
305 *return_value = register_value;
307 ACPI_DEBUG_PRINT((ACPI_DB_IO, "Read value %8.8X register %X\n",
309 bit_reg_info->parent_register));
312 return_ACPI_STATUS(status);
315 EXPORT_SYMBOL(acpi_get_register);
317 /*******************************************************************************
319 * FUNCTION: acpi_set_register
321 * PARAMETERS: register_id - ID of ACPI bit_register to access
322 * Value - (only used on write) value to write to the
323 * Register, NOT pre-normalized to the bit pos
324 * Flags - Lock the hardware or not
328 * DESCRIPTION: ACPI Bit Register write function.
330 ******************************************************************************/
332 acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
334 u32 register_value = 0;
335 struct acpi_bit_register_info *bit_reg_info;
338 ACPI_FUNCTION_TRACE_U32("acpi_set_register", register_id);
340 /* Get the info structure corresponding to the requested ACPI Register */
342 bit_reg_info = acpi_hw_get_bit_register_info(register_id);
344 ACPI_ERROR((AE_INFO, "Bad ACPI HW register_id: %X",
346 return_ACPI_STATUS(AE_BAD_PARAMETER);
349 if (flags & ACPI_MTX_LOCK) {
350 status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
351 if (ACPI_FAILURE(status)) {
352 return_ACPI_STATUS(status);
356 /* Always do a register read first so we can insert the new bits */
358 status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
359 bit_reg_info->parent_register,
361 if (ACPI_FAILURE(status)) {
362 goto unlock_and_exit;
366 * Decode the Register ID
367 * Register ID = [Register block ID] | [bit ID]
369 * Check bit ID to fine locate Register offset.
370 * Check Mask to determine Register offset, and then read-write.
372 switch (bit_reg_info->parent_register) {
373 case ACPI_REGISTER_PM1_STATUS:
376 * Status Registers are different from the rest. Clear by
377 * writing 1, and writing 0 has no effect. So, the only relevant
378 * information is the single bit we're interested in, all others should
379 * be written as 0 so they will be left unchanged.
381 value = ACPI_REGISTER_PREPARE_BITS(value,
382 bit_reg_info->bit_position,
386 status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
387 ACPI_REGISTER_PM1_STATUS,
393 case ACPI_REGISTER_PM1_ENABLE:
395 ACPI_REGISTER_INSERT_VALUE(register_value,
396 bit_reg_info->bit_position,
397 bit_reg_info->access_bit_mask,
400 status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
401 ACPI_REGISTER_PM1_ENABLE,
402 (u16) register_value);
405 case ACPI_REGISTER_PM1_CONTROL:
408 * Write the PM1 Control register.
409 * Note that at this level, the fact that there are actually TWO
410 * registers (A and B - and B may not exist) is abstracted.
412 ACPI_DEBUG_PRINT((ACPI_DB_IO, "PM1 control: Read %X\n",
415 ACPI_REGISTER_INSERT_VALUE(register_value,
416 bit_reg_info->bit_position,
417 bit_reg_info->access_bit_mask,
420 status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
421 ACPI_REGISTER_PM1_CONTROL,
422 (u16) register_value);
425 case ACPI_REGISTER_PM2_CONTROL:
427 status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
428 ACPI_REGISTER_PM2_CONTROL,
430 if (ACPI_FAILURE(status)) {
431 goto unlock_and_exit;
434 ACPI_DEBUG_PRINT((ACPI_DB_IO,
435 "PM2 control: Read %X from %8.8X%8.8X\n",
437 ACPI_FORMAT_UINT64(acpi_gbl_FADT->
438 xpm2_cnt_blk.address)));
440 ACPI_REGISTER_INSERT_VALUE(register_value,
441 bit_reg_info->bit_position,
442 bit_reg_info->access_bit_mask,
445 ACPI_DEBUG_PRINT((ACPI_DB_IO,
446 "About to write %4.4X to %8.8X%8.8X\n",
448 ACPI_FORMAT_UINT64(acpi_gbl_FADT->
449 xpm2_cnt_blk.address)));
451 status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
452 ACPI_REGISTER_PM2_CONTROL,
453 (u8) (register_value));
462 if (flags & ACPI_MTX_LOCK) {
463 (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
466 /* Normalize the value that was read */
468 ACPI_DEBUG_EXEC(register_value =
469 ((register_value & bit_reg_info->access_bit_mask) >>
470 bit_reg_info->bit_position));
472 ACPI_DEBUG_PRINT((ACPI_DB_IO,
473 "Set bits: %8.8X actual %8.8X register %X\n", value,
474 register_value, bit_reg_info->parent_register));
475 return_ACPI_STATUS(status);
478 EXPORT_SYMBOL(acpi_set_register);
480 /******************************************************************************
482 * FUNCTION: acpi_hw_register_read
484 * PARAMETERS: use_lock - Mutex hw access
485 * register_id - register_iD + Offset
486 * return_value - Where the register value is returned
488 * RETURN: Status and the value read.
490 * DESCRIPTION: Acpi register read function. Registers are read at the
493 ******************************************************************************/
496 acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
502 ACPI_FUNCTION_TRACE("hw_register_read");
504 if (ACPI_MTX_LOCK == use_lock) {
505 status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
506 if (ACPI_FAILURE(status)) {
507 return_ACPI_STATUS(status);
511 switch (register_id) {
512 case ACPI_REGISTER_PM1_STATUS: /* 16-bit access */
515 acpi_hw_low_level_read(16, &value1,
516 &acpi_gbl_FADT->xpm1a_evt_blk);
517 if (ACPI_FAILURE(status)) {
518 goto unlock_and_exit;
521 /* PM1B is optional */
524 acpi_hw_low_level_read(16, &value2,
525 &acpi_gbl_FADT->xpm1b_evt_blk);
529 case ACPI_REGISTER_PM1_ENABLE: /* 16-bit access */
532 acpi_hw_low_level_read(16, &value1, &acpi_gbl_xpm1a_enable);
533 if (ACPI_FAILURE(status)) {
534 goto unlock_and_exit;
537 /* PM1B is optional */
540 acpi_hw_low_level_read(16, &value2, &acpi_gbl_xpm1b_enable);
544 case ACPI_REGISTER_PM1_CONTROL: /* 16-bit access */
547 acpi_hw_low_level_read(16, &value1,
548 &acpi_gbl_FADT->xpm1a_cnt_blk);
549 if (ACPI_FAILURE(status)) {
550 goto unlock_and_exit;
554 acpi_hw_low_level_read(16, &value2,
555 &acpi_gbl_FADT->xpm1b_cnt_blk);
559 case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
562 acpi_hw_low_level_read(8, &value1,
563 &acpi_gbl_FADT->xpm2_cnt_blk);
566 case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
569 acpi_hw_low_level_read(32, &value1,
570 &acpi_gbl_FADT->xpm_tmr_blk);
573 case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
575 status = acpi_os_read_port(acpi_gbl_FADT->smi_cmd, &value1, 8);
579 ACPI_ERROR((AE_INFO, "Unknown Register ID: %X", register_id));
580 status = AE_BAD_PARAMETER;
585 if (ACPI_MTX_LOCK == use_lock) {
586 (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
589 if (ACPI_SUCCESS(status)) {
590 *return_value = value1;
593 return_ACPI_STATUS(status);
596 /******************************************************************************
598 * FUNCTION: acpi_hw_register_write
600 * PARAMETERS: use_lock - Mutex hw access
601 * register_id - register_iD + Offset
602 * Value - The value to write
606 * DESCRIPTION: Acpi register Write function. Registers are written at the
609 ******************************************************************************/
611 acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value)
615 ACPI_FUNCTION_TRACE("hw_register_write");
617 if (ACPI_MTX_LOCK == use_lock) {
618 status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
619 if (ACPI_FAILURE(status)) {
620 return_ACPI_STATUS(status);
624 switch (register_id) {
625 case ACPI_REGISTER_PM1_STATUS: /* 16-bit access */
628 acpi_hw_low_level_write(16, value,
629 &acpi_gbl_FADT->xpm1a_evt_blk);
630 if (ACPI_FAILURE(status)) {
631 goto unlock_and_exit;
634 /* PM1B is optional */
637 acpi_hw_low_level_write(16, value,
638 &acpi_gbl_FADT->xpm1b_evt_blk);
641 case ACPI_REGISTER_PM1_ENABLE: /* 16-bit access */
644 acpi_hw_low_level_write(16, value, &acpi_gbl_xpm1a_enable);
645 if (ACPI_FAILURE(status)) {
646 goto unlock_and_exit;
649 /* PM1B is optional */
652 acpi_hw_low_level_write(16, value, &acpi_gbl_xpm1b_enable);
655 case ACPI_REGISTER_PM1_CONTROL: /* 16-bit access */
658 acpi_hw_low_level_write(16, value,
659 &acpi_gbl_FADT->xpm1a_cnt_blk);
660 if (ACPI_FAILURE(status)) {
661 goto unlock_and_exit;
665 acpi_hw_low_level_write(16, value,
666 &acpi_gbl_FADT->xpm1b_cnt_blk);
669 case ACPI_REGISTER_PM1A_CONTROL: /* 16-bit access */
672 acpi_hw_low_level_write(16, value,
673 &acpi_gbl_FADT->xpm1a_cnt_blk);
676 case ACPI_REGISTER_PM1B_CONTROL: /* 16-bit access */
679 acpi_hw_low_level_write(16, value,
680 &acpi_gbl_FADT->xpm1b_cnt_blk);
683 case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
686 acpi_hw_low_level_write(8, value,
687 &acpi_gbl_FADT->xpm2_cnt_blk);
690 case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
693 acpi_hw_low_level_write(32, value,
694 &acpi_gbl_FADT->xpm_tmr_blk);
697 case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
699 /* SMI_CMD is currently always in IO space */
701 status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd, value, 8);
705 status = AE_BAD_PARAMETER;
710 if (ACPI_MTX_LOCK == use_lock) {
711 (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
714 return_ACPI_STATUS(status);
717 /******************************************************************************
719 * FUNCTION: acpi_hw_low_level_read
721 * PARAMETERS: Width - 8, 16, or 32
722 * Value - Where the value is returned
723 * Reg - GAS register structure
727 * DESCRIPTION: Read from either memory or IO space.
729 ******************************************************************************/
732 acpi_hw_low_level_read(u32 width, u32 * value, struct acpi_generic_address *reg)
737 ACPI_FUNCTION_NAME("hw_low_level_read");
740 * Must have a valid pointer to a GAS structure, and
741 * a non-zero address within. However, don't return an error
742 * because the PM1A/B code must not fail if B isn't present.
748 /* Get a local copy of the address. Handles possible alignment issues */
750 ACPI_MOVE_64_TO_64(&address, ®->address);
757 * Two address spaces supported: Memory or IO.
758 * PCI_Config is not supported here because the GAS struct is insufficient
760 switch (reg->address_space_id) {
761 case ACPI_ADR_SPACE_SYSTEM_MEMORY:
763 status = acpi_os_read_memory((acpi_physical_address) address,
767 case ACPI_ADR_SPACE_SYSTEM_IO:
769 status = acpi_os_read_port((acpi_io_address) address,
775 "Unsupported address space: %X",
776 reg->address_space_id));
777 return (AE_BAD_PARAMETER);
780 ACPI_DEBUG_PRINT((ACPI_DB_IO,
781 "Read: %8.8X width %2d from %8.8X%8.8X (%s)\n",
783 ACPI_FORMAT_UINT64(address),
784 acpi_ut_get_region_name(reg->address_space_id)));
789 /******************************************************************************
791 * FUNCTION: acpi_hw_low_level_write
793 * PARAMETERS: Width - 8, 16, or 32
794 * Value - To be written
795 * Reg - GAS register structure
799 * DESCRIPTION: Write to either memory or IO space.
801 ******************************************************************************/
804 acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address * reg)
809 ACPI_FUNCTION_NAME("hw_low_level_write");
812 * Must have a valid pointer to a GAS structure, and
813 * a non-zero address within. However, don't return an error
814 * because the PM1A/B code must not fail if B isn't present.
820 /* Get a local copy of the address. Handles possible alignment issues */
822 ACPI_MOVE_64_TO_64(&address, ®->address);
828 * Two address spaces supported: Memory or IO.
829 * PCI_Config is not supported here because the GAS struct is insufficient
831 switch (reg->address_space_id) {
832 case ACPI_ADR_SPACE_SYSTEM_MEMORY:
834 status = acpi_os_write_memory((acpi_physical_address) address,
838 case ACPI_ADR_SPACE_SYSTEM_IO:
840 status = acpi_os_write_port((acpi_io_address) address,
846 "Unsupported address space: %X",
847 reg->address_space_id));
848 return (AE_BAD_PARAMETER);
851 ACPI_DEBUG_PRINT((ACPI_DB_IO,
852 "Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n",
854 ACPI_FORMAT_UINT64(address),
855 acpi_ut_get_region_name(reg->address_space_id)));