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authorDave Frodin <dave.frodin@se-eng.com>2012-02-02 14:07:43 -0700
committerMarc Jones <marcj303@gmail.com>2012-02-20 05:34:59 +0100
commit3aea95803d2940bf1463e87b2999cf80229f7bf3 (patch)
treeb91af283ec5fc07750cc7733ad05dd8555f0206f /src/mainboard/iei
parenta22f78b828ec056aa6104033d0afb9bb4f9688e0 (diff)
downloadcoreboot-3aea95803d2940bf1463e87b2999cf80229f7bf3.tar.xz
IEI Kino Fam10 ACPI table fixes.
Fix the ACPI IRQ routing. Also, fix the SSDT generations and TOM2 fixup. Change-Id: Ica4a992d11bab63a510238dcd468b9fe80136def Signed-off-by: Marc Jones <marcj303@gmail.com> Reviewed-on: http://review.coreboot.org/628 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/iei')
-rw-r--r--src/mainboard/iei/kino-780am2-fam10/acpi/routing.asl80
-rw-r--r--src/mainboard/iei/kino-780am2-fam10/acpi_tables.c153
-rw-r--r--src/mainboard/iei/kino-780am2-fam10/dsdt.asl34
3 files changed, 139 insertions, 128 deletions
diff --git a/src/mainboard/iei/kino-780am2-fam10/acpi/routing.asl b/src/mainboard/iei/kino-780am2-fam10/acpi/routing.asl
index 7b581b4fd4..76a9bfade3 100644
--- a/src/mainboard/iei/kino-780am2-fam10/acpi/routing.asl
+++ b/src/mainboard/iei/kino-780am2-fam10/acpi/routing.asl
@@ -31,6 +31,8 @@ Scope(\_SB) {
/* NB devices */
/* Bus 0, Dev 0 - RS780 Host Controller */
/* Bus 0, Dev 1 - PCI Bridge for Internal Graphics */
+ Package(){0x0001FFFF, 0, INTC, 0 },
+ Package(){0x0001FFFF, 1, INTD, 0 },
/* Bus 0, Dev 2 - PCIe Bridge for x8 PCIe Slot (GFX0) */
Package(){0x0002FFFF, 0, INTC, 0 },
Package(){0x0002FFFF, 1, INTD, 0 },
@@ -57,22 +59,45 @@ Scope(\_SB) {
Package(){0x0007FFFF, 1, INTA, 0 },
Package(){0x0007FFFF, 2, INTB, 0 },
Package(){0x0007FFFF, 3, INTC, 0 },
+
+ Package(){0x0009FFFF, 0, INTB, 0 },
+ Package(){0x0009FFFF, 1, INTC, 0 },
+ Package(){0x0009FFFF, 2, INTD, 0 },
+ Package(){0x0009FFFF, 3, INTA, 0 },
+
+ Package(){0x000AFFFF, 0, INTC, 0 },
+ Package(){0x000AFFFF, 1, INTD, 0 },
+ Package(){0x000AFFFF, 2, INTA, 0 },
+ Package(){0x000AFFFF, 3, INTB, 0 },
+
+ Package(){0x000BFFFF, 0, INTD, 0 },
+ Package(){0x000BFFFF, 1, INTA, 0 },
+ Package(){0x000BFFFF, 2, INTB, 0 },
+ Package(){0x000BFFFF, 3, INTC, 0 },
+
+ Package(){0x000CFFFF, 0, INTA, 0 },
+ Package(){0x000CFFFF, 1, INTB, 0 },
+ Package(){0x000CFFFF, 2, INTC, 0 },
+ Package(){0x000CFFFF, 3, INTD, 0 },
+
/* Bus 0, Funct 8 - Southbridge port (normally hidden) */
/* SB devices */
/* Bus 0, Dev 17 - SATA controller #2 */
/* Bus 0, Dev 18 - SATA controller #1 */
- Package(){0x0011FFFF, 0, INTA, 0 },
+ Package(){0x0011FFFF, 0, INTG, 0 },
/* Bus 0, Dev 19 - USB: OHCI, dev 18,19 func 0-2, dev 20 func 5;
* EHCI, dev 18, 19 func 2 */
Package(){0x0012FFFF, 0, INTA, 0 },
Package(){0x0012FFFF, 1, INTB, 0 },
Package(){0x0012FFFF, 2, INTC, 0 },
+ Package(){0x0012FFFF, 3, INTD, 0 },
Package(){0x0013FFFF, 0, INTC, 0 },
Package(){0x0013FFFF, 1, INTD, 0 },
Package(){0x0013FFFF, 2, INTA, 0 },
+ Package(){0x0013FFFF, 3, INTB, 0 },
/* Package(){0x0014FFFF, 1, INTA, 0 }, */
@@ -81,6 +106,12 @@ Scope(\_SB) {
Package(){0x0014FFFF, 1, INTB, 0 },
Package(){0x0014FFFF, 2, INTC, 0 },
Package(){0x0014FFFF, 3, INTD, 0 },
+
+/* Package(){0x0015FFFF, 0, INTA, 0 },
+ Package(){0x0015FFFF, 1, INTB, 0 },
+ Package(){0x0015FFFF, 2, INTC, 0 },
+ Package(){0x0015FFFF, 3, INTD, 0 },
+*/
})
Name(APR0, Package(){
@@ -129,11 +160,13 @@ Scope(\_SB) {
/* Package(){0x0009FFFF, 1, 0, 16 }, */
/* Package(){0x0009FFFF, 2, 0, 17 }, */
/* Package(){0x0009FFFF, 3, 0, 18 }, */
+
/* Bus 0, Dev A - PCIe Bridge for network card */
Package(){0x000AFFFF, 0, 0, 18 },
/* Package(){0x000AFFFF, 1, 0, 16 }, */
/* Package(){0x000AFFFF, 2, 0, 17 }, */
/* Package(){0x000AFFFF, 3, 0, 18 }, */
+
/* Bus 0, Funct 8 - Southbridge port (normally hidden) */
/* SB devices in APIC mode */
@@ -146,41 +179,34 @@ Scope(\_SB) {
Package(){0x0012FFFF, 0, 0, 16 },
Package(){0x0012FFFF, 1, 0, 17 },
Package(){0x0012FFFF, 2, 0, 18 },
+ Package(){0x0012FFFF, 3, 0, 19 },
Package(){0x0013FFFF, 0, 0, 18 },
Package(){0x0013FFFF, 1, 0, 19 },
Package(){0x0013FFFF, 2, 0, 16 },
-
- /* Package(){0x00140000, 0, 0, 16 }, */
-
- /* Package(){0x00130004, 2, 0, 18 }, */
- /* Package(){0x00130005, 3, 0, 19 }, */
+ Package(){0x0013FFFF, 3, 0, 17 },
/* Bus 0, Dev 20 - F0:SMBus/ACPI, F1:IDE; F2:HDAudio; F3:LPC; F4:PCIBridge; F5:USB */
Package(){0x0014FFFF, 0, 0, 16 },
Package(){0x0014FFFF, 1, 0, 17 },
Package(){0x0014FFFF, 2, 0, 18 },
Package(){0x0014FFFF, 3, 0, 19 },
- /* Package(){0x00140004, 2, 0, 18 }, */
- /* Package(){0x00140004, 3, 0, 19 }, */
- /* Package(){0x00140005, 1, 0, 17 }, */
- /* Package(){0x00140006, 1, 0, 17 }, */
})
Name(PR1, Package(){
/* Internal graphics - RS780 VGA, Bus1, Dev5 */
- Package(){0x0005FFFF, 0, INTA, 0 },
- Package(){0x0005FFFF, 1, INTB, 0 },
- Package(){0x0005FFFF, 2, INTC, 0 },
- Package(){0x0005FFFF, 3, INTD, 0 },
+ Package(){0x0005FFFF, 0, INTC, 0 },
+ Package(){0x0005FFFF, 1, INTD, 0 },
+ Package(){0x0005FFFF, 2, INTA, 0 },
+ Package(){0x0005FFFF, 3, INTB, 0 },
})
Name(APR1, Package(){
/* Internal graphics - RS780 VGA, Bus1, Dev5 */
Package(){0x0005FFFF, 0, 0, 18 },
Package(){0x0005FFFF, 1, 0, 19 },
- /* Package(){0x0005FFFF, 2, 0, 20 }, */
- /* Package(){0x0005FFFF, 3, 0, 17 }, */
+ Package(){0x0005FFFF, 2, 0, 16 },
+ Package(){0x0005FFFF, 3, 0, 17 },
})
Name(PS2, Package(){
@@ -201,10 +227,10 @@ Scope(\_SB) {
Name(PS4, Package(){
/* PCIe slot - Hooked to PCIe slot 4 */
- Package(){0x0000FFFF, 0, INTA, 0 },
- Package(){0x0000FFFF, 1, INTB, 0 },
- Package(){0x0000FFFF, 2, INTC, 0 },
- Package(){0x0000FFFF, 3, INTD, 0 },
+ Package(){0x0000FFFF, 0, INTD, 0 },
+ Package(){0x0000FFFF, 1, INTA, 0 },
+ Package(){0x0000FFFF, 2, INTB, 0 },
+ Package(){0x0000FFFF, 3, INTC, 0 },
})
Name(APS4, Package(){
@@ -272,10 +298,10 @@ Scope(\_SB) {
Name(APS9, Package(){
/* PCIe slot - Hooked to PCIe slot 9 */
- Package(){0x0000FFFF, 0, 0, 17 },
- Package(){0x0000FFFF, 1, 0, 18 },
- Package(){0x0000FFFF, 2, 0, 19 },
- Package(){0x0000FFFF, 3, 0, 16 },
+ Package(){0x0000FFFF, 0, 0, 19 },
+ Package(){0x0000FFFF, 1, 0, 16 },
+ Package(){0x0000FFFF, 2, 0, 17 },
+ Package(){0x0000FFFF, 3, 0, 18 },
})
Name(PSa, Package(){
/* PCIe slot - Hooked to PCIe slot 10 */
@@ -288,9 +314,9 @@ Scope(\_SB) {
Name(APSa, Package(){
/* PCIe slot - Hooked to PCIe slot 10 */
Package(){0x0000FFFF, 0, 0, 18 },
- Package(){0x0000FFFF, 1, 0, 19 },
- Package(){0x0000FFFF, 2, 0, 16 },
- Package(){0x0000FFFF, 3, 0, 17 },
+ Package(){0x0000FFFF, 1, 0, 16 },
+ Package(){0x0000FFFF, 2, 0, 17 },
+ Package(){0x0000FFFF, 3, 0, 18 },
})
Name(PCIB, Package(){
diff --git a/src/mainboard/iei/kino-780am2-fam10/acpi_tables.c b/src/mainboard/iei/kino-780am2-fam10/acpi_tables.c
index 1b2ea6e3cb..8e3656dfea 100644
--- a/src/mainboard/iei/kino-780am2-fam10/acpi_tables.c
+++ b/src/mainboard/iei/kino-780am2-fam10/acpi_tables.c
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ * Copyright (C) 2010-2011 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
@@ -20,13 +20,13 @@
#include <console/console.h>
#include <string.h>
#include <arch/acpi.h>
+#include <arch/acpigen.h>
#include <arch/ioapic.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <cpu/x86/msr.h>
#include <cpu/amd/mtrr.h>
#include <cpu/amd/amdfam10_sysconf.h>
-
#include "mb_sysconf.h"
#define DUMP_ACPI_TABLES 0
@@ -50,12 +50,33 @@ static void dump_mem(u32 start, u32 end)
extern const unsigned char AmlCode[];
extern const unsigned char AmlCode_ssdt[];
-#if CONFIG_ACPI_SSDTX_NUM >= 1
-extern const unsigned char AmlCode_ssdt2[];
-extern const unsigned char AmlCode_ssdt3[];
-extern const unsigned char AmlCode_ssdt4[];
-extern const unsigned char AmlCode_ssdt5[];
-#endif
+unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id)
+{
+ int lens;
+ msr_t msr;
+ char pscope[] = "\\_SB.PCI0";
+
+ lens = acpigen_write_scope(pscope);
+ msr = rdmsr(TOP_MEM);
+ lens += acpigen_write_name_dword("TOM1", msr.lo);
+ msr = rdmsr(TOP_MEM2);
+ /*
+ * Since XP only implements parts of ACPI 2.0, we can't use a qword
+ * here.
+ * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt
+ * slide 22ff.
+ * Shift value right by 20 bit to make it fit into 32bit,
+ * giving us 1MB granularity and a limit of almost 4Exabyte of memory.
+ */
+ lens += acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20);
+ acpigen_patch_len(lens - 1);
+
+ /* TODO: More HT and other tables need to go into this table generation.
+ * This should also be moved out to the silicon level if it can.
+ */
+
+ return (unsigned long) (acpigen_get_current());
+}
unsigned long acpi_fill_mcfg(unsigned long current)
{
@@ -69,8 +90,8 @@ unsigned long acpi_fill_madt(unsigned long current)
current = acpi_create_madt_lapics(current);
/* Write SB700 IOAPIC, only one */
- current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2,
- IO_APIC_ADDR, 0);
+ current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
+ CONFIG_MAX_CPUS, IO_APIC_ADDR, 0);
current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
current, 0, 0, 2, 0);
@@ -101,11 +122,6 @@ unsigned long write_acpi_tables(unsigned long start)
acpi_facs_t *facs;
acpi_header_t *dsdt;
acpi_header_t *ssdt;
-#if CONFIG_ACPI_SSDTX_NUM >= 1
- acpi_header_t *ssdtx;
- void *p;
- int i;
-#endif
get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
@@ -127,6 +143,31 @@ unsigned long write_acpi_tables(unsigned long start)
acpi_write_rsdp(rsdp, rsdt, NULL);
acpi_write_rsdt(rsdt);
+ /* DSDT */
+ current = ( current + 0x07) & -0x08;
+ printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current);
+ dsdt = (acpi_header_t *)current; // it will used by fadt
+ memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
+ current += dsdt->length;
+ memcpy(dsdt, &AmlCode, dsdt->length);
+ printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length);
+
+ /* FACS */ // it needs 64 bit alignment
+ current = ( current + 0x07) & -0x08;
+ printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current);
+ facs = (acpi_facs_t *) current; // it will be used by fadt
+ current += sizeof(acpi_facs_t);
+ acpi_create_facs(facs);
+
+ /* FADT */
+ current = ( current + 0x07) & -0x08;
+ printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current);
+ fadt = (acpi_fadt_t *) current;
+ current += sizeof(acpi_fadt_t);
+
+ acpi_create_fadt(fadt, facs, dsdt);
+ acpi_add_table(rsdp, fadt);
+
/*
* We explicitly add these tables later on:
*/
@@ -162,87 +203,13 @@ unsigned long write_acpi_tables(unsigned long start)
acpi_add_table(rsdp, slit);
/* SSDT */
- current = ( current + 0x0f) & -0x10;
- printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current);
- ssdt = (acpi_header_t *)current;
- memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t));
+ current = ( current + 0x0f) & -0x10;
+ printk(BIOS_DEBUG, "ACPI: * coreboot PSTATE/TOM SSDT at %lx\n", current);
+ ssdt = (acpi_header_t *) current;
+ acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
current += ssdt->length;
- memcpy(ssdt, &AmlCode_ssdt, ssdt->length);
- //Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c
- update_ssdt((void*)ssdt);
- /* recalculate checksum */
- ssdt->checksum = 0;
- ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
acpi_add_table(rsdp,ssdt);
- printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current);
- current = acpi_add_ssdt_pstates(rsdp, current);
-
-#if CONFIG_ACPI_SSDTX_NUM >= 1
-
- /* same htio, but different position? We may have to copy,
- change HCIN, and recalculate the checknum and add_table */
-
- for(i=1;i<sysconf.hc_possible_num;i++) { // 0: is hc sblink
- if((sysconf.pci1234[i] & 1) != 1 ) continue;
- u8 c;
- if (i < 7) {
- c = (u8) ('4' + i - 1);
- } else {
- c = (u8) ('A' + i - 1 - 6);
- }
- current = ( current + 0x07) & -0x08;
- printk(BIOS_DEBUG, "ACPI: * SSDT for PCI%c at %lx\n", c, current); //pci0 and pci1 are in dsdt
- ssdtx = (acpi_header_t *)current;
- switch (sysconf.hcid[i]) {
- case 1:
- p = &AmlCode_ssdt2;
- break;
- case 2:
- p = &AmlCode_ssdt3;
- break;
- case 3: /* 8131 */
- p = &AmlCode_ssdt4;
- break;
- default:
- /* HTX no io apic */
- p = &AmlCode_ssdt5;
- break;
- }
- memcpy(ssdtx, p, sizeof(acpi_header_t));
- current += ssdtx->length;
- memcpy(ssdtx, p, ssdtx->length);
- update_ssdtx((void *)ssdtx, i);
- ssdtx->checksum = 0;
- ssdtx->checksum = acpi_checksum((u8 *)ssdtx, ssdtx->length);
- acpi_add_table(rsdp, ssdtx);
- }
-#endif
-
- /* DSDT */
- current = ( current + 0x07) & -0x08;
- printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current);
- dsdt = (acpi_header_t *)current; // it will used by fadt
- memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
- current += dsdt->length;
- memcpy(dsdt, &AmlCode, dsdt->length);
- printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length);
-
- /* FACS */ // it needs 64 bit alignment
- current = ( current + 0x07) & -0x08;
- printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current);
- facs = (acpi_facs_t *) current; // it will be used by fadt
- current += sizeof(acpi_facs_t);
- acpi_create_facs(facs);
-
- /* FADT */
- current = ( current + 0x07) & -0x08;
- printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current);
- fadt = (acpi_fadt_t *) current;
- current += sizeof(acpi_fadt_t);
-
- acpi_create_fadt(fadt, facs, dsdt);
- acpi_add_table(rsdp, fadt);
#if DUMP_ACPI_TABLES == 1
printk(BIOS_DEBUG, "rsdp\n");
diff --git a/src/mainboard/iei/kino-780am2-fam10/dsdt.asl b/src/mainboard/iei/kino-780am2-fam10/dsdt.asl
index 8dd0e21f75..7ae6bd5df3 100644
--- a/src/mainboard/iei/kino-780am2-fam10/dsdt.asl
+++ b/src/mainboard/iei/kino-780am2-fam10/dsdt.asl
@@ -36,7 +36,7 @@ DefinitionBlock (
Name(PBAD, 0x0) /* Address of BIOS area (If TOM2 != 0, Addr >> 16) */
Name(PBLN, 0x0) /* Length of BIOS area */
- Name(PCBA, 0xE0000000) /* Base address of PCIe config space */
+ Name(PCBA, CONFIG_MMCONF_BASE_ADDRESS) /* Base address of PCIe config space */
Name(HPBA, 0xFED00000) /* Base address of HPET table */
Name(SSFG, 0x0D) /* S1 support: bit 0, S2 Support: bit 1, etc. S0 & S5 assumed */
@@ -1168,7 +1168,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
+ External (TOM2)
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1421,7 +1421,7 @@ DefinitionBlock (
IRQNoFlags(){13}
})
} /* End Device(_SB.PCI0.LpcIsaBr.COPR) */
-
+#if 0 /* defined by HPET table? */
Device(HPTM) {
Name(_HID,EISAID("PNP0103"))
Name(CRS,ResourceTemplate() {
@@ -1436,6 +1436,7 @@ DefinitionBlock (
Return(CRS)
}
} /* End Device(_SB.PCI0.LpcIsaBr.COPR) */
+#endif
} /* end LIBR */
Device(HPBR) {
@@ -1450,7 +1451,7 @@ DefinitionBlock (
Name(_ADR, 0x00140006)
} /* end Ac97modem */
- /* SIO Support */
+ /* f71859 Support */
OperationRegion (IOID, SystemIO, 0x2E, 0x02) /* sometimes it is 0x4E */
Field (IOID, ByteAcc, NoLock, Preserve)
{
@@ -1546,6 +1547,7 @@ DefinitionBlock (
Memory32Fixed(READWRITE, 0, 0xA0000, BSMM)
Memory32Fixed(READONLY, 0x000A0000, 0x00020000, VGAM) /* VGA memory space */
+#if 0
Memory32Fixed(READONLY, 0x000C0000, 0x00020000, EMM1) /* Assume C0000-E0000 empty */
Memory32Fixed(READONLY, 0x000E0000, 0x00020000, RDBS) /* BIOS ROM area */
@@ -1585,12 +1587,14 @@ DefinitionBlock (
,,
PEBM
)
-
+#endif
+ /* memory space for PCI BARs below 4GB */
+ Memory32Fixed(ReadOnly, 0x00000000, 0x00000000, MMIO)
}) /* End Name(_SB.PCI0.CRES) */
Method(_CRS, 0) {
/* DBGO("\\_SB\\PCI0\\_CRS\n") */
-
+#if 0
CreateDWordField(CRES, ^EMM1._BAS, EM1B)
CreateDWordField(CRES, ^EMM1._LEN, EM1L)
CreateDWordField(CRES, ^DMLO._BAS, DMLB)
@@ -1614,8 +1618,7 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * ShiftLeft(TOM2, 20, Local0)
- * Subtract(Local0, 0x100000000, DMHL)
+ * Subtract(TOM2, 0x100000000, DMHL)
* }
*/
@@ -1628,6 +1631,21 @@ DefinitionBlock (
ShiftLeft(PBAD,16,EBMB) /* Reserve the "BIOS" space */
Store(PBLN,EBML)
}
+#endif
+ CreateDWordField(CRES, ^MMIO._BAS, MM1B)
+ CreateDWordField(CRES, ^MMIO._LEN, MM1L)
+ /*
+ * Declare memory between TOM1 and 4GB as available
+ * for PCI MMIO.
+ * Use ShiftLeft to avoid 64bit constant (for XP).
+ * This will work even if the OS does 32bit arithmetic, as
+ * 32bit (0x00000000 - TOM1) will wrap and give the same
+ * result as 64bit (0x100000000 - TOM1).
+ */
+ Store(TOM1, MM1B)
+ ShiftLeft(0x10000000, 4, Local0)
+ Subtract(Local0, TOM1, Local0)
+ Store(Local0, MM1L)
Return(CRES) /* note to change the Name buffer */
} /* end of Method(_SB.PCI0._CRS) */