Denis Carikli (GNUtoo@no-log.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/636
-gerrit
commit be7d4152144497b7318564ef92ae96c16b522305 Author: Denis 'GNUtoo' Carikli GNUtoo@no-log.org Date: Tue Feb 14 22:38:01 2012 +0100
M4A785-M,M4A785T-M: fix SSDT tables
This commit is based on the commit 94fa3db36688e8db133aebe14d480b0c4722e4c9 (AMD Mahogany Fam10 ACPI table fixes.)
Change-Id: I9a9bf955de0a2a7accdbce8561b23596a8641af4 Signed-off-by: Denis 'GNUtoo' Carikli GNUtoo@no-log.org --- src/mainboard/asus/m4a785-m/acpi_tables.c | 103 ++++++++++------------------- 1 files changed, 36 insertions(+), 67 deletions(-)
diff --git a/src/mainboard/asus/m4a785-m/acpi_tables.c b/src/mainboard/asus/m4a785-m/acpi_tables.c index 1cb39ad..0d28314 100644 --- a/src/mainboard/asus/m4a785-m/acpi_tables.c +++ b/src/mainboard/asus/m4a785-m/acpi_tables.c @@ -20,6 +20,7 @@ #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> @@ -49,12 +50,35 @@ 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) { @@ -68,8 +92,8 @@ 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); @@ -100,11 +124,6 @@ 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 */
@@ -161,63 +180,13 @@ 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);