unsigned long mainboard_write_acpi_tables(device_t dev, unsigned long start, acpi_rsdp_t *rsdp) { unsigned long current; acpi_header_t *ssdtx; const void *p; size_t p_size; int i; get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */ /* Align ACPI tables to 16 bytes */ start = ALIGN(start, 16); current = start; /* 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 */ const char *file_name; 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 = ALIGN(current, 8); printk(BIOS_DEBUG, "ACPI: * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); /* pci0 and pci1 are in dsdt */ ssdtx = (acpi_header_t *)current; switch(sysconf.hcid[i]) { case 1: /* 8132 */ file_name = CONFIG_CBFS_PREFIX "/ssdt2.aml"; break; case 2: /* 8151 */ file_name = CONFIG_CBFS_PREFIX "/ssdt3.aml"; break; case 3: /* 8131 */ file_name = CONFIG_CBFS_PREFIX "/ssdt4.aml"; break; default: continue; } p = cbfs_boot_map_with_leak( file_name, CBFS_TYPE_RAW, &p_size); if (!p || p_size < sizeof(acpi_header_t)) continue; 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); } return current; }
unsigned long mainboard_write_acpi_tables(struct device *device, unsigned long current, acpi_rsdp_t *rsdp) { acpi_header_t *ssdtx; const void *p; size_t p_size; int i; /* same htio, but different possition? 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 */ const char *file_name; 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 = ALIGN(current, 8); 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: file_name = CONFIG_CBFS_PREFIX "/ssdt2.aml"; break; case 2: file_name = CONFIG_CBFS_PREFIX "/ssdt3.aml"; break; case 3: /* 8131 */ file_name = CONFIG_CBFS_PREFIX "/ssdt4.aml"; break; default: /* HTX no io apic */ file_name = CONFIG_CBFS_PREFIX "/ssdt5.aml"; } p = cbfs_boot_map_with_leak( file_name, CBFS_TYPE_RAW, &p_size); if (!p || p_size < sizeof(acpi_header_t)) continue; 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); } return current; }
unsigned long write_acpi_tables(unsigned long start) { unsigned long current; acpi_rsdp_t *rsdp; acpi_rsdt_t *rsdt; acpi_hpet_t *hpet; acpi_madt_t *madt; acpi_srat_t *srat; acpi_slit_t *slit; acpi_fadt_t *fadt; acpi_facs_t *facs; acpi_header_t *dsdt; acpi_header_t *ssdt; acpi_header_t *ssdtx; void *p; int i; get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn /* Align ACPI tables to 16 bytes */ start = ( start + 0x0f) & -0x10; current = start; printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start); /* We need at least an RSDP and an RSDT Table */ rsdp = (acpi_rsdp_t *) current; current += sizeof(acpi_rsdp_t); rsdt = (acpi_rsdt_t *) current; current += sizeof(acpi_rsdt_t); /* clear all table memory */ memset((void *)start, 0, current - start); acpi_write_rsdp(rsdp, rsdt, NULL); acpi_write_rsdt(rsdt); /* FACS */ printk(BIOS_DEBUG, "ACPI: * FACS\n"); facs = (acpi_facs_t *) current; current += sizeof(acpi_facs_t); acpi_create_facs(facs); /* DSDT */ printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current); dsdt = (acpi_header_t *)current; 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); /* FADT */ 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: */ printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current); hpet = (acpi_hpet_t *) current; current += sizeof(acpi_hpet_t); acpi_create_hpet(hpet); acpi_add_table(rsdp, hpet); /* If we want to use HPET Timers Linux wants an MADT */ printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n", current); madt = (acpi_madt_t *) current; acpi_create_madt(madt); current+=madt->header.length; acpi_add_table(rsdp, madt); /* SRAT */ printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); srat = (acpi_srat_t *) current; acpi_create_srat(srat); current+=srat->header.length; acpi_add_table(rsdp, srat); /* SLIT */ printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); slit = (acpi_slit_t *) current; acpi_create_slit(slit); current+=slit->header.length; acpi_add_table(rsdp, slit); /* SSDT */ printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current); ssdt = (acpi_header_t *)current; acpi_create_ssdt_generator(ssdt, "DYNADATA"); current += ssdt->length; acpi_add_table(rsdp, ssdt); #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 Aka hcid = %d\n", c, sysconf.hcid[i]); //pci0 and pci1 are in dsdt ssdtx = (acpi_header_t *)current; switch(sysconf.hcid[i]) { case 1: //8132 p = &AmlCode_ssdt2; break; case 2: //8151 p = &AmlCode_ssdt3; break; case 3: //8131 p = &AmlCode_ssdt4; break; default: continue; } 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 #if DUMP_ACPI_TABLES == 1 printk(BIOS_DEBUG, "rsdp\n"); dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t)); printk(BIOS_DEBUG, "rsdt\n"); dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t)); printk(BIOS_DEBUG, "madt\n"); dump_mem(madt, ((void *)madt) + madt->header.length); printk(BIOS_DEBUG, "srat\n"); dump_mem(srat, ((void *)srat) + srat->header.length); printk(BIOS_DEBUG, "slit\n"); dump_mem(slit, ((void *)slit) + slit->header.length); printk(BIOS_DEBUG, "ssdt\n"); dump_mem(ssdt, ((void *)ssdt) + ssdt->length); printk(BIOS_DEBUG, "fadt\n"); dump_mem(fadt, ((void *)fadt) + fadt->header.length); #endif printk(BIOS_INFO, "ACPI: done.\n"); return current; }
unsigned long write_acpi_tables(unsigned long start) { unsigned long current; acpi_rsdp_t *rsdp; acpi_rsdt_t *rsdt; acpi_hpet_t *hpet; acpi_madt_t *madt; acpi_srat_t *srat; acpi_slit_t *slit; acpi_fadt_t *fadt; 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 */ /* Align ACPI tables to 16 bytes */ start = ALIGN(start, 16); current = start; printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start); /* We need at least an RSDP and an RSDT Table */ rsdp = (acpi_rsdp_t *) current; current += sizeof(acpi_rsdp_t); rsdt = (acpi_rsdt_t *) current; current += sizeof(acpi_rsdt_t); /* clear all table memory */ memset((void *)start, 0, current - start); acpi_write_rsdp(rsdp, rsdt, NULL); acpi_write_rsdt(rsdt); /* * We explicitly add these tables later on: */ current = ALIGN(current, 8); printk(BIOS_DEBUG, "ACPI: * HPET at %lx\n", current); hpet = (acpi_hpet_t *) current; current += sizeof(acpi_hpet_t); acpi_create_hpet(hpet); acpi_add_table(rsdp, hpet); /* If we want to use HPET Timers Linux wants an MADT */ current = ALIGN(current, 8); printk(BIOS_DEBUG, "ACPI: * MADT at %lx\n",current); madt = (acpi_madt_t *) current; acpi_create_madt(madt); current += madt->header.length; acpi_add_table(rsdp, madt); /* SRAT */ current = ALIGN(current, 8); printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); srat = (acpi_srat_t *) current; acpi_create_srat(srat); current += srat->header.length; acpi_add_table(rsdp, srat); /* SLIT */ current = ALIGN(current, 8); printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); slit = (acpi_slit_t *) current; acpi_create_slit(slit); current += slit->header.length; acpi_add_table(rsdp, slit); /* SSDT */ current = ALIGN(current, 16); printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current); ssdt = (acpi_header_t *)current; memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t)); 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 = ALIGN(current, 8); 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 = ALIGN(current, 8); 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 = ALIGN(current, 8); 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 = ALIGN(current, 8); 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); printk(BIOS_INFO, "ACPI: done.\n"); return current; }