diff options
Diffstat (limited to 'src/arch/armv7')
-rw-r--r-- | src/arch/armv7/boot/acpi.c | 791 | ||||
-rw-r--r-- | src/arch/armv7/boot/acpigen.c | 729 | ||||
-rw-r--r-- | src/arch/armv7/boot/wakeup.S | 94 | ||||
-rw-r--r-- | src/arch/armv7/ldscript_failover.lb | 74 | ||||
-rw-r--r-- | src/arch/armv7/ldscript_fallback_cbfs.lb | 51 | ||||
-rw-r--r-- | src/arch/armv7/lib/bootm.c | 405 |
6 files changed, 0 insertions, 2144 deletions
diff --git a/src/arch/armv7/boot/acpi.c b/src/arch/armv7/boot/acpi.c deleted file mode 100644 index 4d405d9fe0..0000000000 --- a/src/arch/armv7/boot/acpi.c +++ /dev/null @@ -1,791 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * coreboot ACPI Table support - * written by Stefan Reinauer <stepan@openbios.org> - * - * Copyright (C) 2004 SUSE LINUX AG - * Copyright (C) 2005-2009 coresystems GmbH - * - * ACPI FADT, FACS, and DSDT table support added by - * Nick Barker <nick.barker9@btinternet.com>, and those portions - * Copyright (C) 2004 Nick Barker - * - * Copyright (C) 2005 ADVANCED MICRO DEVICES, INC. All Rights Reserved. - * 2005.9 yhlu add SRAT table generation - */ - -/* - * Each system port implementing ACPI has to provide two functions: - * - * write_acpi_tables() - * acpi_dump_apics() - * - * See Kontron 986LCD-M port for a good example of an ACPI implementation - * in coreboot. - */ - -#include <console/console.h> -#include <string.h> -#include <arch/acpi.h> -#include <arch/acpigen.h> -#include <device/pci.h> -#include <cbmem.h> -#include <cpu/x86/lapic_def.h> -#include <cpu/cpu.h> -#if CONFIG_COLLECT_TIMESTAMPS -#include <timestamp.h> -#endif - -/* FIXME: Kconfig doesn't support overridable defaults :-( */ -#ifndef CONFIG_HPET_MIN_TICKS -#define CONFIG_HPET_MIN_TICKS 0x1000 -#endif - -u8 acpi_checksum(u8 *table, u32 length) -{ - u8 ret = 0; - while (length--) { - ret += *table; - table++; - } - return -ret; -} - -/** - * Add an ACPI table to the RSDT (and XSDT) structure, recalculate length - * and checksum. - */ -void acpi_add_table(acpi_rsdp_t *rsdp, void *table) -{ - int i, entries_num; - acpi_rsdt_t *rsdt; - acpi_xsdt_t *xsdt = NULL; - - /* The RSDT is mandatory... */ - rsdt = (acpi_rsdt_t *)rsdp->rsdt_address; - - /* ...while the XSDT is not. */ - if (rsdp->xsdt_address) - xsdt = (acpi_xsdt_t *)((u32)rsdp->xsdt_address); - - /* This should always be MAX_ACPI_TABLES. */ - entries_num = ARRAY_SIZE(rsdt->entry); - - for (i = 0; i < entries_num; i++) { - if (rsdt->entry[i] == 0) - break; - } - - if (i >= entries_num) { - printk(BIOS_ERR, "ACPI: Error: Could not add ACPI table, " - "too many tables.\n"); - return; - } - - /* Add table to the RSDT. */ - rsdt->entry[i] = (u32)table; - - /* Fix RSDT length or the kernel will assume invalid entries. */ - rsdt->header.length = sizeof(acpi_header_t) + (sizeof(u32) * (i + 1)); - - /* Re-calculate checksum. */ - rsdt->header.checksum = 0; /* Hope this won't get optimized away */ - rsdt->header.checksum = acpi_checksum((u8 *)rsdt, rsdt->header.length); - - /* - * And now the same thing for the XSDT. We use the same index as for - * now we want the XSDT and RSDT to always be in sync in coreboot. - */ - if (xsdt) { - /* Add table to the XSDT. */ - xsdt->entry[i] = (u64)(u32)table; - - /* Fix XSDT length. */ - xsdt->header.length = sizeof(acpi_header_t) + - (sizeof(u64) * (i + 1)); - - /* Re-calculate checksum. */ - xsdt->header.checksum = 0; - xsdt->header.checksum = acpi_checksum((u8 *)xsdt, - xsdt->header.length); - } - - printk(BIOS_DEBUG, "ACPI: added table %d/%d, length now %d\n", - i + 1, entries_num, rsdt->header.length); -} - -int acpi_create_mcfg_mmconfig(acpi_mcfg_mmconfig_t *mmconfig, u32 base, - u16 seg_nr, u8 start, u8 end) -{ - mmconfig->base_address = base; - mmconfig->base_reserved = 0; - mmconfig->pci_segment_group_number = seg_nr; - mmconfig->start_bus_number = start; - mmconfig->end_bus_number = end; - - return sizeof(acpi_mcfg_mmconfig_t); -} - -int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic) -{ - lapic->type = 0; /* Local APIC structure */ - lapic->length = sizeof(acpi_madt_lapic_t); - lapic->flags = (1 << 0); /* Processor/LAPIC enabled */ - lapic->processor_id = cpu; - lapic->apic_id = apic; - - return lapic->length; -} - -unsigned long acpi_create_madt_lapics(unsigned long current) -{ - device_t cpu; - int index = 0; - - for (cpu = all_devices; cpu; cpu = cpu->next) { - if ((cpu->path.type != DEVICE_PATH_APIC) || - (cpu->bus->dev->path.type != DEVICE_PATH_APIC_CLUSTER)) { - continue; - } - if (!cpu->enabled) - continue; - current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, - index, cpu->path.apic.apic_id); - index++; - } - - return current; -} - -int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr, - u32 gsi_base) -{ - ioapic->type = 1; /* I/O APIC structure */ - ioapic->length = sizeof(acpi_madt_ioapic_t); - ioapic->reserved = 0x00; - ioapic->gsi_base = gsi_base; - ioapic->ioapic_id = id; - ioapic->ioapic_addr = addr; - - return ioapic->length; -} - -int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride, - u8 bus, u8 source, u32 gsirq, u16 flags) -{ - irqoverride->type = 2; /* Interrupt source override */ - irqoverride->length = sizeof(acpi_madt_irqoverride_t); - irqoverride->bus = bus; - irqoverride->source = source; - irqoverride->gsirq = gsirq; - irqoverride->flags = flags; - - return irqoverride->length; -} - -int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu, - u16 flags, u8 lint) -{ - lapic_nmi->type = 4; /* Local APIC NMI structure */ - lapic_nmi->length = sizeof(acpi_madt_lapic_nmi_t); - lapic_nmi->flags = flags; - lapic_nmi->processor_id = cpu; - lapic_nmi->lint = lint; - - return lapic_nmi->length; -} - -void acpi_create_madt(acpi_madt_t *madt) -{ - acpi_header_t *header = &(madt->header); - unsigned long current = (unsigned long)madt + sizeof(acpi_madt_t); - - memset((void *)madt, 0, sizeof(acpi_madt_t)); - - /* Fill out header fields. */ - memcpy(header->signature, "APIC", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_madt_t); - header->revision = 1; /* ACPI 1.0/2.0: 1, ACPI 3.0: 2, ACPI 4.0: 3 */ - - madt->lapic_addr = LOCAL_APIC_ADDR; - madt->flags = 0x1; /* PCAT_COMPAT */ - - current = acpi_fill_madt(current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)madt; - - header->checksum = acpi_checksum((void *)madt, header->length); -} - -/* MCFG is defined in the PCI Firmware Specification 3.0. */ -void acpi_create_mcfg(acpi_mcfg_t *mcfg) -{ - acpi_header_t *header = &(mcfg->header); - unsigned long current = (unsigned long)mcfg + sizeof(acpi_mcfg_t); - - memset((void *)mcfg, 0, sizeof(acpi_mcfg_t)); - - /* Fill out header fields. */ - memcpy(header->signature, "MCFG", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_mcfg_t); - header->revision = 1; - - current = acpi_fill_mcfg(current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)mcfg; - header->checksum = acpi_checksum((void *)mcfg, header->length); -} - -/* - * This can be overriden by platform ACPI setup code, if it calls - * acpi_create_ssdt_generator(). - */ -unsigned long __attribute__((weak)) acpi_fill_ssdt_generator( - unsigned long current, const char *oem_table_id) -{ - return current; -} - -void acpi_create_ssdt_generator(acpi_header_t *ssdt, const char *oem_table_id) -{ - unsigned long current = (unsigned long)ssdt + sizeof(acpi_header_t); - - memset((void *)ssdt, 0, sizeof(acpi_header_t)); - - memcpy(&ssdt->signature, "SSDT", 4); - ssdt->revision = 2; /* ACPI 1.0/2.0: ?, ACPI 3.0/4.0: 2 */ - memcpy(&ssdt->oem_id, OEM_ID, 6); - memcpy(&ssdt->oem_table_id, oem_table_id, 8); - ssdt->oem_revision = 42; - memcpy(&ssdt->asl_compiler_id, ASLC, 4); - ssdt->asl_compiler_revision = 42; - ssdt->length = sizeof(acpi_header_t); - - acpigen_set_current((char *) current); - current = acpi_fill_ssdt_generator(current, oem_table_id); - - /* (Re)calculate length and checksum. */ - ssdt->length = current - (unsigned long)ssdt; - ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length); -} - -int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic) -{ - memset((void *)lapic, 0, sizeof(acpi_srat_lapic_t)); - - lapic->type = 0; /* Processor local APIC/SAPIC affinity structure */ - lapic->length = sizeof(acpi_srat_lapic_t); - lapic->flags = (1 << 0); /* Enabled (the use of this structure). */ - lapic->proximity_domain_7_0 = node; - /* TODO: proximity_domain_31_8, local SAPIC EID, clock domain. */ - lapic->apic_id = apic; - - return lapic->length; -} - -int acpi_create_srat_mem(acpi_srat_mem_t *mem, u8 node, u32 basek, u32 sizek, - u32 flags) -{ - mem->type = 1; /* Memory affinity structure */ - mem->length = sizeof(acpi_srat_mem_t); - mem->base_address_low = (basek << 10); - mem->base_address_high = (basek >> (32 - 10)); - mem->length_low = (sizek << 10); - mem->length_high = (sizek >> (32 - 10)); - mem->proximity_domain = node; - mem->flags = flags; - - return mem->length; -} - -/* http://www.microsoft.com/whdc/system/sysinternals/sratdwn.mspx */ -void acpi_create_srat(acpi_srat_t *srat) -{ - acpi_header_t *header = &(srat->header); - unsigned long current = (unsigned long)srat + sizeof(acpi_srat_t); - - memset((void *)srat, 0, sizeof(acpi_srat_t)); - - /* Fill out header fields. */ - memcpy(header->signature, "SRAT", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_srat_t); - header->revision = 1; /* ACPI 1.0: N/A, 2.0: 1, 3.0: 2, 4.0: 3 */ - - srat->resv = 1; /* Spec: Reserved to 1 for backwards compatibility. */ - - current = acpi_fill_srat(current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)srat; - header->checksum = acpi_checksum((void *)srat, header->length); -} - -unsigned long __attribute__((weak)) acpi_fill_dmar(unsigned long current) -{ - return current; -} - -void acpi_create_dmar(acpi_dmar_t *dmar) -{ - acpi_header_t *header = &(dmar->header); - unsigned long current = (unsigned long)dmar + sizeof(acpi_dmar_t); - - memset((void *)dmar, 0, sizeof(acpi_dmar_t)); - - /* Fill out header fields. */ - memcpy(header->signature, "DMAR", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_dmar_t); - header->revision = 1; - - dmar->host_address_width = 40 - 1; /* FIXME: == MTRR size? */ - dmar->flags = 0; - - current = acpi_fill_dmar(current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)dmar; - header->checksum = acpi_checksum((void *)dmar, header->length); -} - -unsigned long acpi_create_dmar_drhd(unsigned long current, u8 flags, - u16 segment, u32 bar) -{ - dmar_entry_t *drhd = (dmar_entry_t *)current; - memset(drhd, 0, sizeof(*drhd)); - drhd->type = DMAR_DRHD; - drhd->length = sizeof(*drhd); /* will be fixed up later */ - drhd->flags = flags; - drhd->segment = segment; - drhd->bar = bar; - - return drhd->length; -} - -void acpi_dmar_drhd_fixup(unsigned long base, unsigned long current) -{ - dmar_entry_t *drhd = (dmar_entry_t *)base; - drhd->length = current - base; -} - -unsigned long acpi_create_dmar_drhd_ds_pci(unsigned long current, u8 segment, - u8 dev, u8 fn) -{ - dev_scope_t *ds = (dev_scope_t *)current; - memset(ds, 0, sizeof(*ds)); - ds->type = SCOPE_PCI_ENDPOINT; - ds->length = sizeof(*ds) + 2; /* we don't support longer paths yet */ - ds->start_bus = segment; - ds->path[0].dev = dev; - ds->path[0].fn = fn; - - return ds->length; -} - -/* http://h21007.www2.hp.com/portal/download/files/unprot/Itanium/slit.pdf */ -void acpi_create_slit(acpi_slit_t *slit) -{ - acpi_header_t *header = &(slit->header); - unsigned long current = (unsigned long)slit + sizeof(acpi_slit_t); - - memset((void *)slit, 0, sizeof(acpi_slit_t)); - - /* Fill out header fields. */ - memcpy(header->signature, "SLIT", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_slit_t); - header->revision = 1; /* ACPI 1.0: N/A, ACPI 2.0/3.0/4.0: 1 */ - - current = acpi_fill_slit(current); - - /* (Re)calculate length and checksum. */ - header->length = current - (unsigned long)slit; - header->checksum = acpi_checksum((void *)slit, header->length); -} - -/* http://www.intel.com/hardwaredesign/hpetspec_1.pdf */ -void acpi_create_hpet(acpi_hpet_t *hpet) -{ - acpi_header_t *header = &(hpet->header); - acpi_addr_t *addr = &(hpet->addr); - - memset((void *)hpet, 0, sizeof(acpi_hpet_t)); - - /* Fill out header fields. */ - memcpy(header->signature, "HPET", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_hpet_t); - header->revision = 1; /* Currently 1. Table added in ACPI 2.0. */ - - /* Fill out HPET address. */ - addr->space_id = 0; /* Memory */ - addr->bit_width = 64; - addr->bit_offset = 0; - addr->addrl = CONFIG_HPET_ADDRESS & 0xffffffff; - addr->addrh = ((unsigned long long)CONFIG_HPET_ADDRESS) >> 32; - - hpet->id = *(unsigned int*)CONFIG_HPET_ADDRESS; - hpet->number = 0; - hpet->min_tick = CONFIG_HPET_MIN_TICKS; - - header->checksum = acpi_checksum((void *)hpet, sizeof(acpi_hpet_t)); -} - -void acpi_create_facs(acpi_facs_t *facs) -{ - memset((void *)facs, 0, sizeof(acpi_facs_t)); - - memcpy(facs->signature, "FACS", 4); - facs->length = sizeof(acpi_facs_t); - facs->hardware_signature = 0; - facs->firmware_waking_vector = 0; - facs->global_lock = 0; - facs->flags = 0; - facs->x_firmware_waking_vector_l = 0; - facs->x_firmware_waking_vector_h = 0; - facs->version = 1; /* ACPI 1.0: 0, ACPI 2.0/3.0: 1, ACPI 4.0: 2 */ -} - -void acpi_write_rsdt(acpi_rsdt_t *rsdt) -{ - acpi_header_t *header = &(rsdt->header); - - /* Fill out header fields. */ - memcpy(header->signature, "RSDT", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_rsdt_t); - header->revision = 1; /* ACPI 1.0/2.0/3.0/4.0: 1 */ - - /* Entries are filled in later, we come with an empty set. */ - - /* Fix checksum. */ - header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t)); -} - -void acpi_write_xsdt(acpi_xsdt_t *xsdt) -{ - acpi_header_t *header = &(xsdt->header); - - /* Fill out header fields. */ - memcpy(header->signature, "XSDT", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - - header->length = sizeof(acpi_xsdt_t); - header->revision = 1; /* ACPI 1.0: N/A, 2.0/3.0/4.0: 1 */ - - /* Entries are filled in later, we come with an empty set. */ - - /* Fix checksum. */ - header->checksum = acpi_checksum((void *)xsdt, sizeof(acpi_xsdt_t)); -} - -void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, acpi_xsdt_t *xsdt) -{ - memset(rsdp, 0, sizeof(acpi_rsdp_t)); - - memcpy(rsdp->signature, RSDP_SIG, 8); - memcpy(rsdp->oem_id, OEM_ID, 6); - - rsdp->length = sizeof(acpi_rsdp_t); - rsdp->rsdt_address = (u32)rsdt; - - /* - * Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2. - * - * Some OSes expect an XSDT to be present for RSD PTR revisions >= 2. - * If we don't have an ACPI XSDT, force ACPI 1.0 (and thus RSD PTR - * revision 0). - */ - if (xsdt == NULL) { - rsdp->revision = 0; - } else { - rsdp->xsdt_address = (u64)(u32)xsdt; - rsdp->revision = 2; - } - - /* Calculate checksums. */ - rsdp->checksum = acpi_checksum((void *)rsdp, 20); - rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t)); -} - -unsigned long __attribute__((weak)) acpi_fill_hest(acpi_hest_t *hest) -{ - return (unsigned long)hest; -} - -unsigned long acpi_create_hest_error_source(acpi_hest_t *hest, acpi_hest_esd_t *esd, u16 type, void *data, u16 data_len) -{ - acpi_header_t *header = &(hest->header); - acpi_hest_hen_t *hen; - void *pos; - u16 len; - - pos = esd; - memset(pos, 0, sizeof(acpi_hest_esd_t)); - len = 0; - esd->type = type; /* MCE */ - esd->source_id = hest->error_source_count; - esd->flags = 0; /* FIRMWARE_FIRST */ - esd->enabled = 1; - esd->prealloc_erecords = 1; - esd->max_section_per_record = 0x1; - - len += sizeof(acpi_hest_esd_t); - pos = esd + 1; - - switch (type) { - case 0: /* MCE */ - break; - case 1: /* CMC */ - hen = (acpi_hest_hen_t *) (pos); - memset(pos, 0, sizeof(acpi_hest_hen_t)); - hen->type = 3; /* SCI? */ - hen->length = sizeof(acpi_hest_hen_t); - hen->conf_we = 0; /* Configuration Write Enable. */ - hen->poll_interval = 0; - hen->vector = 0; - hen->sw2poll_threshold_val = 0; - hen->sw2poll_threshold_win = 0; - hen->error_threshold_val = 0; - hen->error_threshold_win = 0; - len += sizeof(acpi_hest_hen_t); - pos = hen + 1; - break; - case 2: /* NMI */ - case 6: /* AER Root Port */ - case 7: /* AER Endpoint */ - case 8: /* AER Bridge */ - case 9: /* Generic Hardware Error Source. */ - /* TODO: */ - break; - default: - printk(BIOS_DEBUG, "Invalid type of Error Source."); - break; - } - hest->error_source_count ++; - - memcpy(pos, data, data_len); - len += data_len; - header->length += len; - - return len; -} - -/* ACPI 4.0 */ -void acpi_write_hest(acpi_hest_t *hest) -{ - acpi_header_t *header = &(hest->header); - - memset(hest, 0, sizeof(acpi_hest_t)); - - memcpy(header->signature, "HEST", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); - memcpy(header->asl_compiler_id, ASLC, 4); - header->length += sizeof(acpi_hest_t); - header->revision = 1; - - acpi_fill_hest(hest); - - /* Calculate checksums. */ - header->checksum = acpi_checksum((void *)hest, header->length); -} - -#if CONFIG_HAVE_ACPI_RESUME -void suspend_resume(void) -{ - void *wake_vec; - - /* If we happen to be resuming find wakeup vector and jump to OS. */ - wake_vec = acpi_find_wakeup_vector(); - if (wake_vec) { -#if CONFIG_HAVE_SMI_HANDLER - u32 *gnvs_address = cbmem_find(CBMEM_ID_ACPI_GNVS); - - /* Restore GNVS pointer in SMM if found */ - if (gnvs_address && *gnvs_address) { - printk(BIOS_DEBUG, "Restore GNVS pointer to 0x%08x\n", - *gnvs_address); - smm_setup_structures((void *)*gnvs_address, NULL, NULL); - } -#endif - - /* Call mainboard resume handler first, if defined. */ - if (mainboard_suspend_resume) - mainboard_suspend_resume(); - post_code(POST_OS_RESUME); - acpi_jump_to_wakeup(wake_vec); - } -} - -/* This is to be filled by SB code - startup value what was found. */ -u8 acpi_slp_type = 0; - -static int acpi_is_wakeup(void) -{ - /* Both resume from S2 and resume from S3 restart at CPU reset */ - return (acpi_slp_type == 3 || acpi_slp_type == 2); -} - -static acpi_rsdp_t *valid_rsdp(acpi_rsdp_t *rsdp) -{ - if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) - return NULL; - - printk(BIOS_DEBUG, "Looking on %p for valid checksum\n", rsdp); - - if (acpi_checksum((void *)rsdp, 20) != 0) - return NULL; - printk(BIOS_DEBUG, "Checksum 1 passed\n"); - - if ((rsdp->revision > 1) && (acpi_checksum((void *)rsdp, - rsdp->length) != 0)) - return NULL; - printk(BIOS_DEBUG, "Checksum 2 passed all OK\n"); - - return rsdp; -} - -static acpi_rsdp_t *rsdp; - -void *acpi_get_wakeup_rsdp(void) -{ - return rsdp; -} - -void *acpi_find_wakeup_vector(void) -{ - char *p, *end; - acpi_rsdt_t *rsdt; - acpi_facs_t *facs; - acpi_fadt_t *fadt; - void *wake_vec; - int i; - - rsdp = NULL; - - if (!acpi_is_wakeup()) - return NULL; - - printk(BIOS_DEBUG, "Trying to find the wakeup vector...\n"); - - /* Find RSDP. */ - for (p = (char *)0xe0000; p < (char *)0xfffff; p += 16) { - if ((rsdp = valid_rsdp((acpi_rsdp_t *)p))) - break; - } - - if (rsdp == NULL) - return NULL; - - printk(BIOS_DEBUG, "RSDP found at %p\n", rsdp); - rsdt = (acpi_rsdt_t *) rsdp->rsdt_address; - - end = (char *)rsdt + rsdt->header.length; - printk(BIOS_DEBUG, "RSDT found at %p ends at %p\n", rsdt, end); - - for (i = 0; ((char *)&rsdt->entry[i]) < end; i++) { - fadt = (acpi_fadt_t *)rsdt->entry[i]; - if (strncmp((char *)fadt, "FACP", 4) == 0) - break; - fadt = NULL; - } - - if (fadt == NULL) - return NULL; - - printk(BIOS_DEBUG, "FADT found at %p\n", fadt); - facs = (acpi_facs_t *)fadt->firmware_ctrl; - - if (facs == NULL) { - printk(BIOS_DEBUG, "No FACS found, wake up from S3 not " - "possible.\n"); - return NULL; - } - - printk(BIOS_DEBUG, "FACS found at %p\n", facs); - wake_vec = (void *)facs->firmware_waking_vector; - printk(BIOS_DEBUG, "OS waking vector is %p\n", wake_vec); - - return wake_vec; -} - -#if CONFIG_SMP -extern char *lowmem_backup; -extern char *lowmem_backup_ptr; -extern int lowmem_backup_size; -#endif - -#define WAKEUP_BASE 0x600 - -void (*acpi_do_wakeup)(u32 vector, u32 backup_source, u32 backup_target, - u32 backup_size) __attribute__((regparm(0))) = (void *)WAKEUP_BASE; - -extern unsigned char __wakeup, __wakeup_size; - -void acpi_jump_to_wakeup(void *vector) -{ - u32 acpi_backup_memory = (u32)cbmem_find(CBMEM_ID_RESUME); - - if (!acpi_backup_memory) { - printk(BIOS_WARNING, "ACPI: Backup memory missing. " - "No S3 resume.\n"); - return; - } - -#if CONFIG_SMP - // FIXME: This should go into the ACPI backup memory, too. No pork saussages. - /* - * Just restore the SMP trampoline and continue with wakeup on - * assembly level. - */ - memcpy(lowmem_backup_ptr, lowmem_backup, lowmem_backup_size); -#endif - - /* Copy wakeup trampoline in place. */ - memcpy((void *)WAKEUP_BASE, &__wakeup, (size_t)&__wakeup_size); - -#if CONFIG_COLLECT_TIMESTAMPS - timestamp_add_now(TS_ACPI_WAKE_JUMP); -#endif - - acpi_do_wakeup((u32)vector, acpi_backup_memory, CONFIG_RAMBASE, - HIGH_MEMORY_SAVE); -} -#endif - -void acpi_save_gnvs(u32 gnvs_address) -{ - u32 *gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(*gnvs)); - if (gnvs) - *gnvs = gnvs_address; -} diff --git a/src/arch/armv7/boot/acpigen.c b/src/arch/armv7/boot/acpigen.c deleted file mode 100644 index 47845a01a6..0000000000 --- a/src/arch/armv7/boot/acpigen.c +++ /dev/null @@ -1,729 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2009 Rudolf Marek <r.marek@assembler.cz> - * - * 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 - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* how many nesting we support */ -#define ACPIGEN_LENSTACK_SIZE 10 - -/* if you need to change this, change the acpigen_write_f and - acpigen_patch_len */ - -#define ACPIGEN_MAXLEN 0xfff - -#include <string.h> -#include <arch/acpigen.h> -#include <console/console.h> -#include <device/device.h> - -static char *gencurrent; - -char *len_stack[ACPIGEN_LENSTACK_SIZE]; -int ltop = 0; - -int acpigen_write_len_f(void) -{ - ASSERT(ltop < (ACPIGEN_LENSTACK_SIZE - 1)) - len_stack[ltop++] = gencurrent; - acpigen_emit_byte(0); - acpigen_emit_byte(0); - return 2; -} - -void acpigen_patch_len(int len) -{ - ASSERT(len <= ACPIGEN_MAXLEN) - ASSERT(ltop > 0) - char *p = len_stack[--ltop]; - /* generate store length for 0xfff max */ - p[0] = (0x40 | (len & 0xf)); - p[1] = (len >> 4 & 0xff); - -} - -void acpigen_set_current(char *curr) -{ - gencurrent = curr; -} - -char *acpigen_get_current(void) -{ - return gencurrent; -} - -int acpigen_emit_byte(unsigned char b) -{ - (*gencurrent++) = b; - return 1; -} - -int acpigen_write_package(int nr_el) -{ - int len; - /* package op */ - acpigen_emit_byte(0x12); - len = acpigen_write_len_f(); - acpigen_emit_byte(nr_el); - return len + 2; -} - -int acpigen_write_byte(unsigned int data) -{ - /* byte op */ - acpigen_emit_byte(0xa); - acpigen_emit_byte(data & 0xff); - return 2; -} - -int acpigen_write_dword(unsigned int data) -{ - /* dword op */ - acpigen_emit_byte(0xc); - acpigen_emit_byte(data & 0xff); - acpigen_emit_byte((data >> 8) & 0xff); - acpigen_emit_byte((data >> 16) & 0xff); - acpigen_emit_byte((data >> 24) & 0xff); - return 5; -} - -int acpigen_write_qword(uint64_t data) -{ - /* qword op */ - acpigen_emit_byte(0xe); - acpigen_emit_byte(data & 0xff); - acpigen_emit_byte((data >> 8) & 0xff); - acpigen_emit_byte((data >> 16) & 0xff); - acpigen_emit_byte((data >> 24) & 0xff); - acpigen_emit_byte((data >> 32) & 0xff); - acpigen_emit_byte((data >> 40) & 0xff); - acpigen_emit_byte((data >> 48) & 0xff); - acpigen_emit_byte((data >> 56) & 0xff); - return 9; -} - -int acpigen_write_name_byte(const char *name, uint8_t val) -{ - int len; - len = acpigen_write_name(name); - len += acpigen_write_byte(val); - return len; -} - -int acpigen_write_name_dword(const char *name, uint32_t val) -{ - int len; - len = acpigen_write_name(name); - len += acpigen_write_dword(val); - return len; -} - -int acpigen_write_name_qword(const char *name, uint64_t val) -{ - int len; - len = acpigen_write_name(name); - len += acpigen_write_qword(val); - return len; -} - -int acpigen_emit_stream(const char *data, int size) -{ - int i; - for (i = 0; i < size; i++) { - acpigen_emit_byte(data[i]); - } - return size; -} - -/* The NameString are bit tricky, each element can be 4 chars, if - less its padded with underscore. Check 18.2.2 and 18.4 - and 5.3 of ACPI specs 3.0 for details -*/ - -static int acpigen_emit_simple_namestring(const char *name) { - int i, len = 0; - char ud[] = "____"; - for (i = 0; i < 4; i++) { - if ((name[i] == '\0') || (name[i] == '.')) { - len += acpigen_emit_stream(ud, 4 - i); - break; - } else { - len += acpigen_emit_byte(name[i]); - } - } - return len; -} - -static int acpigen_emit_double_namestring(const char *name, int dotpos) { - int len = 0; - /* mark dual name prefix */ - len += acpigen_emit_byte(0x2e); - len += acpigen_emit_simple_namestring(name); - len += acpigen_emit_simple_namestring(&name[dotpos + 1]); - return len; -} - -static int acpigen_emit_multi_namestring(const char *name) { - int len = 0, count = 0; - unsigned char *pathlen; - /* mark multi name prefix */ - len += acpigen_emit_byte(0x2f); - len += acpigen_emit_byte(0x0); - pathlen = ((unsigned char *) acpigen_get_current()) - 1; - - while (name[0] != '\0') { - len += acpigen_emit_simple_namestring(name); - /* find end or next entity */ - while ((name[0] != '.') && (name[0] != '\0')) - name++; - /* forward to next */ - if (name[0] == '.') - name++; - count++; - } - - pathlen[0] = count; - return len; -} - - -int acpigen_emit_namestring(const char *namepath) { - int dotcount = 0, i; - int dotpos = 0; - int len = 0; - - /* we can start with a \ */ - if (namepath[0] == '\\') { - len += acpigen_emit_byte('\\'); - namepath++; - } - - /* and there can be any number of ^ */ - while (namepath[0] == '^') { - len += acpigen_emit_byte('^'); - namepath++; - } - - ASSERT(namepath[0] != '\0'); - - i = 0; - while (namepath[i] != '\0') { - if (namepath[i] == '.') { - dotcount++; - dotpos = i; - } - i++; - } - - if (dotcount == 0) { - len += acpigen_emit_simple_namestring(namepath); - } else if (dotcount == 1) { - len += acpigen_emit_double_namestring(namepath, dotpos); - } else { - len += acpigen_emit_multi_namestring(namepath); - } - return len; -} - -int acpigen_write_name(const char *name) -{ - int len; - /* name op */ - len = acpigen_emit_byte(0x8); - return len + acpigen_emit_namestring(name); -} - -int acpigen_write_scope(const char *name) -{ - int len; - /* scope op */ - len = acpigen_emit_byte(0x10); - len += acpigen_write_len_f(); - return len + acpigen_emit_namestring(name); -} - -int acpigen_write_processor(u8 cpuindex, u32 pblock_addr, u8 pblock_len) -{ -/* - Processor (\_PR.CPUcpuindex, cpuindex, pblock_addr, pblock_len) - { -*/ - char pscope[16]; - int len; - /* processor op */ - acpigen_emit_byte(0x5b); - acpigen_emit_byte(0x83); - len = acpigen_write_len_f(); - - sprintf(pscope, "\\_PR.CPU%x", (unsigned int) cpuindex); - len += acpigen_emit_namestring(pscope); - acpigen_emit_byte(cpuindex); - acpigen_emit_byte(pblock_addr & 0xff); - acpigen_emit_byte((pblock_addr >> 8) & 0xff); - acpigen_emit_byte((pblock_addr >> 16) & 0xff); - acpigen_emit_byte((pblock_addr >> 24) & 0xff); - acpigen_emit_byte(pblock_len); - return 6 + 2 + len; -} - -int acpigen_write_empty_PCT(void) -{ -/* - Name (_PCT, Package (0x02) - { - ResourceTemplate () - { - Register (FFixedHW, - 0x00, // Bit Width - 0x00, // Bit Offset - 0x0000000000000000, // Address - ,) - }, - - ResourceTemplate () - { - Register (FFixedHW, - 0x00, // Bit Width - 0x00, // Bit Offset - 0x0000000000000000, // Address - ,) - } - }) -*/ - static char stream[] = { - 0x08, 0x5F, 0x50, 0x43, 0x54, 0x12, 0x2C, /* 00000030 "0._PCT.," */ - 0x02, 0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, /* 00000038 "........" */ - 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000040 "........" */ - 0x00, 0x00, 0x00, 0x00, 0x79, 0x00, 0x11, 0x14, /* 00000048 "....y..." */ - 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F, 0x00, 0x00, /* 00000050 "........" */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000058 "........" */ - 0x00, 0x79, 0x00 - }; - return acpigen_emit_stream(stream, ARRAY_SIZE(stream)); -} - -int acpigen_write_empty_PTC(void) -{ -/* - Name (_PTC, Package (0x02) - { - ResourceTemplate () - { - Register (FFixedHW, - 0x00, // Bit Width - 0x00, // Bit Offset - 0x0000000000000000, // Address - ,) - }, - - ResourceTemplate () - { - Register (FFixedHW, - 0x00, // Bit Width - 0x00, // Bit Offset - 0x0000000000000000, // Address - ,) - } - }) -*/ - int len, nlen, rlen; - acpi_addr_t addr = { - .space_id = ACPI_ADDRESS_SPACE_FIXED, - .bit_width = 0, - .bit_offset = 0, - { - .resv = 0 - }, - .addrl = 0, - .addrh = 0, - }; - - nlen = acpigen_write_name("_PTC"); - len = acpigen_write_package(2); - - /* ControlRegister */ - rlen = acpigen_write_resourcetemplate_header(); - rlen += acpigen_write_register(&addr); - len += acpigen_write_resourcetemplate_footer(rlen); - len += rlen; - - /* StatusRegister */ - rlen = acpigen_write_resourcetemplate_header(); - rlen += acpigen_write_register(&addr); - len += acpigen_write_resourcetemplate_footer(rlen); - len += rlen; - - acpigen_patch_len(len - 1); - return len + nlen; -} - -/* generates a func with max supported P states */ -int acpigen_write_PPC(u8 nr) -{ -/* - Method (_PPC, 0, NotSerialized) - { - Return (nr) - } -*/ - int len; - /* method op */ - acpigen_emit_byte(0x14); - len = acpigen_write_len_f(); - len += acpigen_emit_namestring("_PPC"); - /* no fnarg */ - acpigen_emit_byte(0x00); - /* return */ - acpigen_emit_byte(0xa4); - /* arg */ - len += acpigen_write_byte(nr); - /* add all single bytes */ - len += 3; - acpigen_patch_len(len - 1); - return len; -} - -/* generates a func with max supported P states */ -int acpigen_write_PPC_NVS(void) -{ -/* - Method (_PPC, 0, NotSerialized) - { - Return (PPCM) - } -*/ - int len; - /* method op */ - acpigen_emit_byte(0x14); - len = acpigen_write_len_f(); - len += acpigen_emit_namestring("_PPC"); - /* no fnarg */ - acpigen_emit_byte(0x00); - /* return */ - acpigen_emit_byte(0xa4); - /* arg */ - len += acpigen_emit_namestring("PPCM"); - /* add all single bytes */ - len += 3; - acpigen_patch_len(len - 1); - return len; -} - -int acpigen_write_TPC(const char *gnvs_tpc_limit) -{ -/* - // Sample _TPC method - Method (_TPC, 0, NotSerialized) - { - Return (\TLVL) - } - */ - int len; - - len = acpigen_emit_byte(0x14); /* MethodOp */ - len += acpigen_write_len_f(); /* PkgLength */ - len += acpigen_emit_namestring("_TPC"); - len += acpigen_emit_byte(0x00); /* No Arguments */ - len += acpigen_emit_byte(0xa4); /* ReturnOp */ - len += acpigen_emit_namestring(gnvs_tpc_limit); - acpigen_patch_len(len - 1); - return len; -} - -int acpigen_write_PSS_package(u32 coreFreq, u32 power, u32 transLat, - u32 busmLat, u32 control, u32 status) -{ - int len; - len = acpigen_write_package(6); - len += acpigen_write_dword(coreFreq); - len += acpigen_write_dword(power); - len += acpigen_write_dword(transLat); - len += acpigen_write_dword(busmLat); - len += acpigen_write_dword(control); - len += acpigen_write_dword(status); - // pkglen without the len opcode - acpigen_patch_len(len - 1); - - printk(BIOS_DEBUG, "PSS: %uMHz power %u control 0x%x status 0x%x\n", - coreFreq, power, control, status); - - return len; -} - -int acpigen_write_PSD_package(u32 domain, u32 numprocs, PSD_coord coordtype) -{ - int len, lenh, lenp; - lenh = acpigen_write_name("_PSD"); - lenp = acpigen_write_package(1); - len = acpigen_write_package(5); - len += acpigen_write_byte(5); // 5 values - len += acpigen_write_byte(0); // revision 0 - len += acpigen_write_dword(domain); - len += acpigen_write_dword(coordtype); - len += acpigen_write_dword(numprocs); - acpigen_patch_len(len - 1); - len += lenp; - acpigen_patch_len(len - 1); - return len + lenh; -} - -int acpigen_write_CST_package_entry(acpi_cstate_t *cstate) -{ - int len, len0; - char *start, *end; - - len0 = acpigen_write_package(4); - len = acpigen_write_resourcetemplate_header(); - start = acpigen_get_current(); - acpigen_write_register(&cstate->resource); - end = acpigen_get_current(); - len += end - start; - len += acpigen_write_resourcetemplate_footer(len); - len += len0; - len += acpigen_write_dword(cstate->ctype); - len += acpigen_write_dword(cstate->latency); - len += acpigen_write_dword(cstate->power); - acpigen_patch_len(len - 1); - return len; -} - -int acpigen_write_CST_package(acpi_cstate_t *cstate, int nentries) -{ - int len, lenh, lenp, i; - lenh = acpigen_write_name("_CST"); - lenp = acpigen_write_package(nentries+1); - len = acpigen_write_dword(nentries); - - for (i = 0; i < nentries; i++) - len += acpigen_write_CST_package_entry(cstate + i); - - len += lenp; - acpigen_patch_len(len - 1); - return len + lenh; -} - -int acpigen_write_TSS_package(int entries, acpi_tstate_t *tstate_list) -{ -/* - Sample _TSS package with 100% and 50% duty cycles - Name (_TSS, Package (0x02) - { - Package(){100, 1000, 0, 0x00, 0) - Package(){50, 520, 0, 0x18, 0) - }) - */ - int i, len, plen, nlen; - acpi_tstate_t *tstate = tstate_list; - - nlen = acpigen_write_name("_TSS"); - plen = acpigen_write_package(entries); - - for (i = 0; i < entries; i++) { - len = acpigen_write_package(5); - len += acpigen_write_dword(tstate->percent); - len += acpigen_write_dword(tstate->power); - len += acpigen_write_dword(tstate->latency); - len += acpigen_write_dword(tstate->control); - len += acpigen_write_dword(tstate->status); - acpigen_patch_len(len - 1); - tstate++; - plen += len; - } - - acpigen_patch_len(plen - 1); - return plen + nlen; -} - -int acpigen_write_TSD_package(u32 domain, u32 numprocs, PSD_coord coordtype) -{ - int len, lenh, lenp; - lenh = acpigen_write_name("_TSD"); - lenp = acpigen_write_package(1); - len = acpigen_write_package(5); - len += acpigen_write_byte(5); // 5 values - len += acpigen_write_byte(0); // revision 0 - len += acpigen_write_dword(domain); - len += acpigen_write_dword(coordtype); - len += acpigen_write_dword(numprocs); - acpigen_patch_len(len - 1); - len += lenp; - acpigen_patch_len(len - 1); - return len + lenh; -} - - - -int acpigen_write_mem32fixed(int readwrite, u32 base, u32 size) -{ - /* - * acpi 4.0 section 6.4.3.4: 32-Bit Fixed Memory Range Descriptor - * Byte 0: - * Bit7 : 1 => big item - * Bit6-0: 0000110 (0x6) => 32-bit fixed memory - */ - acpigen_emit_byte(0x86); - /* Byte 1+2: length (0x0009) */ - acpigen_emit_byte(0x09); - acpigen_emit_byte(0x00); - /* bit1-7 are ignored */ - acpigen_emit_byte(readwrite ? 0x01 : 0x00); - acpigen_emit_byte(base & 0xff); - acpigen_emit_byte((base >> 8) & 0xff); - acpigen_emit_byte((base >> 16) & 0xff); - acpigen_emit_byte((base >> 24) & 0xff); - acpigen_emit_byte(size & 0xff); - acpigen_emit_byte((size >> 8) & 0xff); - acpigen_emit_byte((size >> 16) & 0xff); - acpigen_emit_byte((size >> 24) & 0xff); - return 12; -} - -int acpigen_write_register(acpi_addr_t *addr) -{ - acpigen_emit_byte(0x82); /* Register Descriptor */ - acpigen_emit_byte(0x0c); /* Register Length 7:0 */ - acpigen_emit_byte(0x00); /* Register Length 15:8 */ - acpigen_emit_byte(addr->space_id); /* Address Space ID */ - acpigen_emit_byte(addr->bit_width); /* Register Bit Width */ - acpigen_emit_byte(addr->bit_offset); /* Register Bit Offset */ - acpigen_emit_byte(addr->resv); /* Register Access Size */ - acpigen_emit_byte(addr->addrl & 0xff); /* Register Address Low */ - acpigen_emit_byte((addr->addrl >> 8) & 0xff); - acpigen_emit_byte((addr->addrl >> 16) & 0xff); - acpigen_emit_byte((addr->addrl >> 24) & 0xff); - acpigen_emit_byte(addr->addrh & 0xff); /* Register Address High */ - acpigen_emit_byte((addr->addrh >> 8) & 0xff); - acpigen_emit_byte((addr->addrh >> 16) & 0xff); - acpigen_emit_byte((addr->addrh >> 24) & 0xff); - return 15; -} - -int acpigen_write_io16(u16 min, u16 max, u8 align, u8 len, u8 decode16) -{ - /* - * acpi 4.0 section 6.4.2.6: I/O Port Descriptor - * Byte 0: - * Bit7 : 0 => small item - * Bit6-3: 1000 (0x8) => I/O port descriptor - * Bit2-0: 111 (0x7) => 7 Bytes long - */ - acpigen_emit_byte(0x47); - /* does the device decode all 16 or just 10 bits? */ - /* bit1-7 are ignored */ - acpigen_emit_byte(decode16 ? 0x01 : 0x00); - /* minimum base address the device may be configured for */ - acpigen_emit_byte(min & 0xff); - acpigen_emit_byte((min >> 8) & 0xff); - /* maximum base address the device may be configured for */ - acpigen_emit_byte(max & 0xff); - acpigen_emit_byte((max >> 8) & 0xff); - /* alignment for min base */ - acpigen_emit_byte(align & 0xff); - acpigen_emit_byte(len & 0xff); - return 8; -} - -int acpigen_write_resourcetemplate_header(void) -{ - int len; - /* - * A ResourceTemplate() is a Buffer() with a - * (Byte|Word|DWord) containing the length, followed by one or more - * resource items, terminated by the end tag - * (small item 0xf, len 1) - */ - len = acpigen_emit_byte(0x11); /* Buffer opcode */ - len += acpigen_write_len_f(); - len += acpigen_emit_byte(0x0b); /* Word opcode */ - len_stack[ltop++] = acpigen_get_current(); - len += acpigen_emit_byte(0x00); - len += acpigen_emit_byte(0x00); - return len; -} - -int acpigen_write_resourcetemplate_footer(int len) -{ - char *p = len_stack[--ltop]; - /* - * end tag (acpi 4.0 Section 6.4.2.8) - * 0x79 <checksum> - * 0x00 is treated as a good checksum according to the spec - * and is what iasl generates. - */ - len += acpigen_emit_byte(0x79); - len += acpigen_emit_byte(0x00); - /* patch len word */ - p[0] = (len-6) & 0xff; - p[1] = ((len-6) >> 8) & 0xff; - /* patch len field */ - acpigen_patch_len(len-1); - return 2; -} - -static void acpigen_add_mainboard_rsvd_mem32(void *gp, struct device *dev, - struct resource *res) -{ - acpigen_write_mem32fixed(0, res->base, res->size); -} - -static void acpigen_add_mainboard_rsvd_io(void *gp, struct device *dev, - struct resource *res) -{ - resource_t base = res->base; - resource_t size = res->size; - while (size > 0) { - resource_t sz = size > 255 ? 255 : size; - acpigen_write_io16(base, base, 0, sz, 1); - size -= sz; - base += sz; - } -} - -int acpigen_write_mainboard_resource_template(void) -{ - int len; - char *start; - char *end; - len = acpigen_write_resourcetemplate_header(); - start = acpigen_get_current(); - - /* Add reserved memory ranges */ - search_global_resources( - IORESOURCE_MEM | IORESOURCE_RESERVE, - IORESOURCE_MEM | IORESOURCE_RESERVE, - acpigen_add_mainboard_rsvd_mem32, 0); - - /* Add reserved io ranges */ - search_global_resources( - IORESOURCE_IO | IORESOURCE_RESERVE, - IORESOURCE_IO | IORESOURCE_RESERVE, - acpigen_add_mainboard_rsvd_io, 0); - - end = acpigen_get_current(); - len += end-start; - len += acpigen_write_resourcetemplate_footer(len); - return len; -} - -int acpigen_write_mainboard_resources(const char *scope, const char *name) -{ - int len; - len = acpigen_write_scope(scope); - len += acpigen_write_name(name); - len += acpigen_write_mainboard_resource_template(); - acpigen_patch_len(len - 1); - return len; -} diff --git a/src/arch/armv7/boot/wakeup.S b/src/arch/armv7/boot/wakeup.S deleted file mode 100644 index 8ae337ca5d..0000000000 --- a/src/arch/armv7/boot/wakeup.S +++ /dev/null @@ -1,94 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2009 Rudolf Marek <r.marek@assembler.cz> - * Copyright (C) 2009 coresystems GmbH - * - * 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 - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#define WAKEUP_BASE 0x600 -#define RELOCATED(x) (x - __wakeup + WAKEUP_BASE) - -/* CR0 bits */ -#define PE (1 << 0) - - .code32 - .globl __wakeup -__wakeup: - /* First prepare the jmp to the resume vector */ - mov 0x4(%esp), %eax /* vector */ - /* last 4 bits of linear addr are taken as offset */ - andw $0x0f, %ax - movw %ax, (__wakeup_offset) - mov 0x4(%esp), %eax - /* the rest is taken as segment */ - shr $4, %eax - movw %ax, (__wakeup_segment) - - /* Then overwrite coreboot with our backed up memory */ - cld - movl 8(%esp), %esi - movl 12(%esp), %edi - movl 16(%esp), %ecx - shrl $2, %ecx - rep movsl - - /* Activate the right segment descriptor real mode. */ - ljmp $0x28, $RELOCATED(1f) -1: -.code16 - /* 16 bit code from here on... */ - - /* Load the segment registers w/ properly configured - * segment descriptors. They will retain these - * configurations (limits, writability, etc.) once - * protected mode is turned off. - */ - mov $0x30, %ax - mov %ax, %ds - mov %ax, %es - mov %ax, %fs - mov %ax, %gs - mov %ax, %ss - - /* Turn off protection */ - movl %cr0, %eax - andl $~PE, %eax - movl %eax, %cr0 - - /* Now really going into real mode */ - ljmp $0, $RELOCATED(1f) -1: - movw $0x0, %ax - movw %ax, %ds - movw %ax, %es - movw %ax, %ss - movw %ax, %fs - movw %ax, %gs - - /* This is a FAR JMP to the OS waking vector. The C code changed - * the address to be correct. - */ - .byte 0xea - -__wakeup_offset = RELOCATED(.) - .word 0x0000 - -__wakeup_segment = RELOCATED(.) - .word 0x0000 - - .globl __wakeup_size -__wakeup_size = ( . - __wakeup) - diff --git a/src/arch/armv7/ldscript_failover.lb b/src/arch/armv7/ldscript_failover.lb deleted file mode 100644 index 9a3b9aef8e..0000000000 --- a/src/arch/armv7/ldscript_failover.lb +++ /dev/null @@ -1,74 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2006 Advanced Micro Devices, Inc. - * Copyright (C) 2008-2010 coresystems GmbH - * - * 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 - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* We use ELF as output format. So that we can debug the code in some form. */ -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) - -MEMORY { - rom : ORIGIN = 0xffff0000, LENGTH = 64K -} - -TARGET(binary) -SECTIONS -{ - /* Symbol ap_sipi_vector must be aligned to 4kB to start AP CPUs - * with Startup IPI message without RAM. Align .rom to next 4 byte - * boundary anyway, so no pad byte appears between _rom and _start. - */ - .bogus ROMLOC_MIN : { - . = CONFIG_SIPI_VECTOR_IN_ROM ? ALIGN(4096) : ALIGN(4); - ROMLOC = .; - } >rom = 0xff - - /* This section might be better named .setup */ - .rom ROMLOC : { - _rom = .; - ap_sipi_vector = .; - *(.rom.text); - *(.rom.data); - *(.rom.data.*); - *(.rodata.*); - _erom = .; - } >rom = 0xff - - /* Allocation reserves extra 16 bytes here. Alignment requirements - * may cause the total size of a section to change when the start - * address gets applied. - */ - ROMLOC_MIN = 0xffffff00 - (_erom - _rom + 16) - - (CONFIG_SIPI_VECTOR_IN_ROM ? 4096 : 0); - - /* Post-check proper SIPI vector. */ - _bogus = ASSERT(!CONFIG_SIPI_VECTOR_IN_ROM || ((ap_sipi_vector & 0x0fff) == 0x0), - "Bad SIPI vector alignment"); - _bogus = ASSERT(!CONFIG_SIPI_VECTOR_IN_ROM || (ap_sipi_vector == CONFIG_AP_SIPI_VECTOR), - "Address mismatch on AP_SIPI_VECTOR"); - - /DISCARD/ : { - *(.comment) - *(.note) - *(.comment.*) - *(.note.*) - *(.iplt) - *(.rel.*) - *(.igot.*) - } -} diff --git a/src/arch/armv7/ldscript_fallback_cbfs.lb b/src/arch/armv7/ldscript_fallback_cbfs.lb deleted file mode 100644 index 148f4e3184..0000000000 --- a/src/arch/armv7/ldscript_fallback_cbfs.lb +++ /dev/null @@ -1,51 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Google 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 - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* We use ELF as output format. So that we can debug the code in some form. */ -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) - -TARGET(binary) -SECTIONS -{ - . = CONFIG_ROMBASE; - - /* cut _start into last 64k*/ - _x = .; - . = (_x < (CONFIG_ROMBASE - 0x10000 + CONFIG_ROM_IMAGE_SIZE)) ? (CONFIG_ROMBASE - 0x10000 + CONFIG_ROM_IMAGE_SIZE) : _x; - - /* This section might be better named .setup */ - .rom . : { - _rom = .; - *(.text); - *(.rodata); - *(.rodata.*); - *(.data.*); - . = ALIGN(16); - _erom = .; - } - - /DISCARD/ : { - *(.comment) - *(.note) - *(.comment.*) - *(.note.*) - } - _bogus = ASSERT((SIZEOF(.bss) + SIZEOF(.data)) == 0, "Do not use global variables in romstage"); -} diff --git a/src/arch/armv7/lib/bootm.c b/src/arch/armv7/lib/bootm.c deleted file mode 100644 index afe1b70814..0000000000 --- a/src/arch/armv7/lib/bootm.c +++ /dev/null @@ -1,405 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * 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 - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <common.h> -#include <command.h> -#include <image.h> -#include <u-boot/zlib.h> -#include <arch/byteorder.h> -#include <fdt.h> -#include <libfdt.h> -#include <fdt_support.h> - -DECLARE_GLOBAL_DATA_PTR; - -#if defined (CONFIG_SETUP_MEMORY_TAGS) || \ - defined (CONFIG_CMDLINE_TAG) || \ - defined (CONFIG_INITRD_TAG) || \ - defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) -static void setup_start_tag (bd_t *bd); - -# ifdef CONFIG_SETUP_MEMORY_TAGS -static void setup_memory_tags (bd_t *bd); -# endif -static void setup_commandline_tag (bd_t *bd, char *commandline); - -# ifdef CONFIG_INITRD_TAG -static void setup_initrd_tag (bd_t *bd, ulong initrd_start, - ulong initrd_end); -# endif -static void setup_end_tag (bd_t *bd); - -# if defined (CONFIG_VFD) || defined (CONFIG_LCD) -# if !defined(CONFIG_VIDEOFLB_ATAG_NOT_SUPPORTED) -static void setup_videolfb_tag (gd_t *gd); -# endif -# endif - -static struct tag *params; -#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ - -static ulong get_sp(void); -#if defined(CONFIG_OF_LIBFDT) && !defined(CONFIG_OF_NO_KERNEL) -static int bootm_linux_fdt(int machid, bootm_headers_t *images); -#endif - -void arch_lmb_reserve(struct lmb *lmb) -{ - ulong sp; - - /* - * Booting a (Linux) kernel image - * - * Allocate space for command line and board info - the - * address should be as high as possible within the reach of - * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused - * memory, which means far enough below the current stack - * pointer. - */ - sp = get_sp(); - debug("## Current stack ends at 0x%08lx ", sp); - - /* adjust sp by 1K to be safe */ - sp -= 1024; - lmb_reserve(lmb, sp, - gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp); -} - -static void announce_and_cleanup(void) -{ - printf("\nStarting kernel ...\n\n"); - bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel"); - -#ifdef CONFIG_USB_DEVICE - { - extern void udc_disconnect(void); - udc_disconnect(); - } -#endif - cleanup_before_linux(); -} - -int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) -{ - bd_t *bd = gd->bd; - char *s; - int machid = bd->bi_arch_number; - void (*kernel_entry)(int zero, int arch, uint params); - -#ifdef CONFIG_CMDLINE_TAG - char *commandline = getenv ("bootargs"); -#endif - - if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) - return 1; - - s = getenv ("machid"); - if (s) { - machid = simple_strtoul (s, NULL, 16); - printf ("Using machid 0x%x from environment\n", machid); - } - - bootstage_mark(BOOTSTAGE_ID_RUN_OS); - -#if defined(CONFIG_OF_LIBFDT) && !defined(CONFIG_OF_NO_KERNEL) - if (images->ft_len) - return bootm_linux_fdt(machid, images); -#endif - - kernel_entry = (void (*)(int, int, uint))images->ep; - - debug ("## Transferring control to Linux (at address %08lx) ...\n", - (ulong) kernel_entry); - -#if defined (CONFIG_SETUP_MEMORY_TAGS) || \ - defined (CONFIG_CMDLINE_TAG) || \ - defined (CONFIG_INITRD_TAG) || \ - defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) - setup_start_tag (bd); -#ifdef CONFIG_SERIAL_TAG - setup_serial_tag (¶ms); -#endif -#ifdef CONFIG_REVISION_TAG - setup_revision_tag (¶ms); -#endif -#ifdef CONFIG_SETUP_MEMORY_TAGS - setup_memory_tags (bd); -#endif -#ifdef CONFIG_CMDLINE_TAG - setup_commandline_tag (bd, commandline); -#endif -#ifdef CONFIG_INITRD_TAG - if (images->rd_start && images->rd_end) - setup_initrd_tag (bd, images->rd_start, images->rd_end); -#endif -#if defined (CONFIG_VFD) || defined (CONFIG_LCD) -#if !defined(CONFIG_VIDEOFLB_ATAG_NOT_SUPPORTED) - setup_videolfb_tag ((gd_t *) gd); -#endif -#endif - setup_end_tag (bd); -#endif - - announce_and_cleanup(); - - kernel_entry(0, machid, bd->bi_boot_params); - /* does not return */ - - return 1; -} - -#if defined(CONFIG_OF_LIBFDT) && !defined(CONFIG_OF_NO_KERNEL) -static int fixup_memory_node(void *blob) -{ - bd_t *bd = gd->bd; - int bank; - u64 start[CONFIG_NR_DRAM_BANKS]; - u64 size[CONFIG_NR_DRAM_BANKS]; - - for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { - start[bank] = bd->bi_dram[bank].start; - size[bank] = bd->bi_dram[bank].size; - } - - return fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); -} - -static int bootm_linux_fdt(int machid, bootm_headers_t *images) -{ - ulong rd_len; - void (*kernel_entry)(int zero, int dt_machid, void *dtblob); - ulong of_size = images->ft_len; - char **of_flat_tree = &images->ft_addr; - ulong *initrd_start = &images->initrd_start; - ulong *initrd_end = &images->initrd_end; - struct lmb *lmb = &images->lmb; - int ret; - - kernel_entry = (void (*)(int, int, void *))images->ep; - - boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); - - rd_len = images->rd_end - images->rd_start; - ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, - initrd_start, initrd_end); - if (ret) - return ret; - -#ifdef CONFIG_OF_BOARD_SETUP - /* Try to reserve 1024 bytes for board fixups */ - if (!fdt_open_into(*of_flat_tree, *of_flat_tree, of_size + 1024)) - of_size += 1024; - /* Call the board-specific fixup routine */ - ft_board_setup(*of_flat_tree, gd->bd); -#endif -#ifdef CONFIG_OF_UPDATE_FDT_BEFORE_BOOT - /* this must be earlier than boot_relocate_fdt */ - ret = fit_update_fdt_before_boot(*of_flat_tree, &of_size); - if (ret) - return ret; -#endif - - ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); - if (ret) - return ret; - - debug("## Transferring control to Linux (at address %08lx) ...\n", - (ulong) kernel_entry); - - fdt_chosen(*of_flat_tree, 1); - - fixup_memory_node(*of_flat_tree); - - fdt_fixup_ethernet(*of_flat_tree); - - fdt_initrd(*of_flat_tree, *initrd_start, *initrd_end, 1); - - announce_and_cleanup(); - - kernel_entry(0, machid, *of_flat_tree); - /* does not return */ - - return 1; -} -#endif - -#if defined (CONFIG_SETUP_MEMORY_TAGS) || \ - defined (CONFIG_CMDLINE_TAG) || \ - defined (CONFIG_INITRD_TAG) || \ - defined (CONFIG_SERIAL_TAG) || \ - defined (CONFIG_REVISION_TAG) -static void setup_start_tag (bd_t *bd) -{ - params = (struct tag *) bd->bi_boot_params; - - params->hdr.tag = ATAG_CORE; - params->hdr.size = tag_size (tag_core); - -#if defined (ATAG_CORE_FLAGS) && \ - defined (ATAG_PAGE_SIZE) && \ - defined (ATAG_CORE_RDEV) - params->u.core.flags = ATAG_CORE_FLAGS; - params->u.core.pagesize = ATAG_PAGE_SIZE; - params->u.core.rootdev = ATAG_CORE_RDEV; -#else - params->u.core.flags = 0; - params->u.core.pagesize = 0; - params->u.core.rootdev = 0; -#endif - - params = tag_next (params); -} - - -#ifdef CONFIG_SETUP_MEMORY_TAGS -static void setup_memory_tags (bd_t *bd) -{ - int i; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - params->hdr.tag = ATAG_MEM; - params->hdr.size = tag_size (tag_mem32); - - params->u.mem.start = bd->bi_dram[i].start; - params->u.mem.size = bd->bi_dram[i].size; - - params = tag_next (params); - } -} -#endif /* CONFIG_SETUP_MEMORY_TAGS */ - - -static void setup_commandline_tag (bd_t *bd, char *commandline) -{ - char *p; - - if (!commandline) - return; - - /* eat leading white space */ - for (p = commandline; *p == ' '; p++); - - /* skip non-existent command lines so the kernel will still - * use its default command line. - */ - if (*p == '\0') - return; - - params->hdr.tag = ATAG_CMDLINE; - params->hdr.size = - (sizeof (struct tag_header) + strlen (p) + 1 + 4) >> 2; - - strcpy (params->u.cmdline.cmdline, p); - - params = tag_next (params); -} - - -#ifdef CONFIG_INITRD_TAG -static void setup_initrd_tag (bd_t *bd, ulong initrd_start, ulong initrd_end) -{ - /* an ATAG_INITRD node tells the kernel where the compressed - * ramdisk can be found. ATAG_RDIMG is a better name, actually. - */ - params->hdr.tag = ATAG_INITRD2; - params->hdr.size = tag_size (tag_initrd); - - params->u.initrd.start = initrd_start; - params->u.initrd.size = initrd_end - initrd_start; - - params = tag_next (params); -} -#endif /* CONFIG_INITRD_TAG */ - -#if defined (CONFIG_VFD) || defined (CONFIG_LCD) -#if !defined(CONFIG_VIDEOFLB_ATAG_NOT_SUPPORTED) -extern ulong calc_fbsize (void); -static void setup_videolfb_tag (gd_t *gd) -{ - /* An ATAG_VIDEOLFB node tells the kernel where and how large - * the framebuffer for video was allocated (among other things). - * Note that a _physical_ address is passed ! - * - * We only use it to pass the address and size, the other entries - * in the tag_videolfb are not of interest. - */ - params->hdr.tag = ATAG_VIDEOLFB; - params->hdr.size = tag_size (tag_videolfb); - - params->u.videolfb.lfb_base = (u32) gd->fb_base; - /* Fb size is calculated according to parameters for our panel - */ - params->u.videolfb.lfb_size = calc_fbsize(); - - params = tag_next (params); -} -#endif /* CONFIG_VIDEOFLB_ATAG_NOT_SUPPORTED */ -#endif /* CONFIG_VFD || CONFIG_LCD */ - -#ifdef CONFIG_SERIAL_TAG -void setup_serial_tag (struct tag **tmp) -{ - struct tag *params = *tmp; - struct tag_serialnr serialnr; - void get_board_serial(struct tag_serialnr *serialnr); - - get_board_serial(&serialnr); - params->hdr.tag = ATAG_SERIAL; - params->hdr.size = tag_size (tag_serialnr); - params->u.serialnr.low = serialnr.low; - params->u.serialnr.high= serialnr.high; - params = tag_next (params); - *tmp = params; -} -#endif - -#ifdef CONFIG_REVISION_TAG -void setup_revision_tag(struct tag **in_params) -{ - u32 rev = 0; - u32 get_board_rev(void); - - rev = get_board_rev(); - params->hdr.tag = ATAG_REVISION; - params->hdr.size = tag_size (tag_revision); - params->u.revision.rev = rev; - params = tag_next (params); -} -#endif /* CONFIG_REVISION_TAG */ - -static void setup_end_tag (bd_t *bd) -{ - params->hdr.tag = ATAG_NONE; - params->hdr.size = 0; -} -#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ - -static ulong get_sp(void) -{ - ulong ret; - - asm("mov %0, sp" : "=r"(ret) : ); - return ret; -} |