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Diffstat (limited to 'src/arch/i386/boot/mpspec.c')
-rw-r--r--src/arch/i386/boot/mpspec.c383
1 files changed, 0 insertions, 383 deletions
diff --git a/src/arch/i386/boot/mpspec.c b/src/arch/i386/boot/mpspec.c
deleted file mode 100644
index 70bc5401fd..0000000000
--- a/src/arch/i386/boot/mpspec.c
+++ /dev/null
@@ -1,383 +0,0 @@
-#include <console/console.h>
-#include <device/path.h>
-#include <device/pci_ids.h>
-#include <cpu/cpu.h>
-#include <arch/smp/mpspec.h>
-#include <string.h>
-#include <arch/cpu.h>
-#include <cpu/x86/lapic.h>
-
-/* Initialize the specified "mc" struct with initial values. */
-void mptable_init(struct mp_config_table *mc, const char *productid,
- u32 lapic_addr)
-{
- /* Error out if 'product_id' length doesn't match exactly. */
- if (strlen(productid) != 12)
- die("ERROR: 'productid' must be 12 bytes long!");
-
- memset(mc, 0, sizeof(*mc));
- memcpy(mc->mpc_signature, MPC_SIGNATURE, 4);
- mc->mpc_length = sizeof(*mc); /* Initially just the header size. */
- mc->mpc_spec = 0x04; /* MultiProcessor specification 1.4 */
- mc->mpc_checksum = 0; /* Not yet computed. */
- memcpy(mc->mpc_oem, "COREBOOT", 8);
- memcpy(mc->mpc_productid, productid, 12);
- mc->mpc_oemptr = 0;
- mc->mpc_oemsize = 0;
- mc->mpc_entry_count = 0; /* No entries yet... */
- mc->mpc_lapic = lapic_addr;
- mc->mpe_length = 0;
- mc->mpe_checksum = 0;
- mc->reserved = 0;
-}
-
-unsigned char smp_compute_checksum(void *v, int len)
-{
- unsigned char *bytes;
- unsigned char checksum;
- int i;
- bytes = v;
- checksum = 0;
- for(i = 0; i < len; i++) {
- checksum -= bytes[i];
- }
- return checksum;
-}
-
-void *smp_write_floating_table(unsigned long addr)
-{
- /* 16 byte align the table address */
- addr = (addr + 0xf) & (~0xf);
- return smp_write_floating_table_physaddr(addr, addr + SMP_FLOATING_TABLE_LEN);
-}
-
-void *smp_write_floating_table_physaddr(unsigned long addr, unsigned long mpf_physptr)
-{
- struct intel_mp_floating *mf;
- void *v;
-
- v = (void *)addr;
- mf = v;
- mf->mpf_signature[0] = '_';
- mf->mpf_signature[1] = 'M';
- mf->mpf_signature[2] = 'P';
- mf->mpf_signature[3] = '_';
- mf->mpf_physptr = mpf_physptr;
- mf->mpf_length = 1;
- mf->mpf_specification = 4;
- mf->mpf_checksum = 0;
- mf->mpf_feature1 = 0;
- mf->mpf_feature2 = 0;
- mf->mpf_feature3 = 0;
- mf->mpf_feature4 = 0;
- mf->mpf_feature5 = 0;
- mf->mpf_checksum = smp_compute_checksum(mf, mf->mpf_length*16);
- return v;
-}
-
-void *smp_next_mpc_entry(struct mp_config_table *mc)
-{
- void *v;
- v = (void *)(((char *)mc) + mc->mpc_length);
- return v;
-}
-static void smp_add_mpc_entry(struct mp_config_table *mc, unsigned length)
-{
- mc->mpc_length += length;
- mc->mpc_entry_count++;
-}
-
-void *smp_next_mpe_entry(struct mp_config_table *mc)
-{
- void *v;
- v = (void *)(((char *)mc) + mc->mpc_length + mc->mpe_length);
- return v;
-}
-static void smp_add_mpe_entry(struct mp_config_table *mc, mpe_t mpe)
-{
- mc->mpe_length += mpe->mpe_length;
-}
-
-void smp_write_processor(struct mp_config_table *mc,
- unsigned char apicid, unsigned char apicver,
- unsigned char cpuflag, unsigned int cpufeature,
- unsigned int featureflag)
-{
- struct mpc_config_processor *mpc;
- mpc = smp_next_mpc_entry(mc);
- memset(mpc, '\0', sizeof(*mpc));
- mpc->mpc_type = MP_PROCESSOR;
- mpc->mpc_apicid = apicid;
- mpc->mpc_apicver = apicver;
- mpc->mpc_cpuflag = cpuflag;
- mpc->mpc_cpufeature = cpufeature;
- mpc->mpc_featureflag = featureflag;
- smp_add_mpc_entry(mc, sizeof(*mpc));
-}
-
-/* If we assume a symmetric processor configuration we can
- * get all of the information we need to write the processor
- * entry from the bootstrap processor.
- * Plus I don't think linux really even cares.
- * Having the proper apicid's in the table so the non-bootstrap
- * processors can be woken up should be enough.
- */
-void smp_write_processors(struct mp_config_table *mc)
-{
- int boot_apic_id;
- unsigned apic_version;
- unsigned cpu_features;
- unsigned cpu_feature_flags;
- struct cpuid_result result;
- device_t cpu;
-
- boot_apic_id = lapicid();
- apic_version = lapic_read(LAPIC_LVR) & 0xff;
- result = cpuid(1);
- cpu_features = result.eax;
- cpu_feature_flags = result.edx;
- for(cpu = all_devices; cpu; cpu = cpu->next) {
- unsigned long cpu_flag;
- if ((cpu->path.type != DEVICE_PATH_APIC) ||
- (cpu->bus->dev->path.type != DEVICE_PATH_APIC_CLUSTER))
- {
- continue;
- }
- if (!cpu->enabled) {
- continue;
- }
- cpu_flag = MPC_CPU_ENABLED;
- if (boot_apic_id == cpu->path.apic.apic_id) {
- cpu_flag = MPC_CPU_ENABLED | MPC_CPU_BOOTPROCESSOR;
- }
- smp_write_processor(mc,
- cpu->path.apic.apic_id, apic_version,
- cpu_flag, cpu_features, cpu_feature_flags
- );
- }
-}
-
-static void smp_write_bus(struct mp_config_table *mc,
- unsigned char id, const char *bustype)
-{
- struct mpc_config_bus *mpc;
- mpc = smp_next_mpc_entry(mc);
- memset(mpc, '\0', sizeof(*mpc));
- mpc->mpc_type = MP_BUS;
- mpc->mpc_busid = id;
- memcpy(mpc->mpc_bustype, bustype, sizeof(mpc->mpc_bustype));
- smp_add_mpc_entry(mc, sizeof(*mpc));
-}
-
-void smp_write_ioapic(struct mp_config_table *mc,
- unsigned char id, unsigned char ver,
- unsigned long apicaddr)
-{
- struct mpc_config_ioapic *mpc;
- mpc = smp_next_mpc_entry(mc);
- memset(mpc, '\0', sizeof(*mpc));
- mpc->mpc_type = MP_IOAPIC;
- mpc->mpc_apicid = id;
- mpc->mpc_apicver = ver;
- mpc->mpc_flags = MPC_APIC_USABLE;
- mpc->mpc_apicaddr = apicaddr;
- smp_add_mpc_entry(mc, sizeof(*mpc));
-}
-
-void smp_write_intsrc(struct mp_config_table *mc,
- unsigned char irqtype, unsigned short irqflag,
- unsigned char srcbus, unsigned char srcbusirq,
- unsigned char dstapic, unsigned char dstirq)
-{
- struct mpc_config_intsrc *mpc;
- mpc = smp_next_mpc_entry(mc);
- memset(mpc, '\0', sizeof(*mpc));
- mpc->mpc_type = MP_INTSRC;
- mpc->mpc_irqtype = irqtype;
- mpc->mpc_irqflag = irqflag;
- mpc->mpc_srcbus = srcbus;
- mpc->mpc_srcbusirq = srcbusirq;
- mpc->mpc_dstapic = dstapic;
- mpc->mpc_dstirq = dstirq;
- smp_add_mpc_entry(mc, sizeof(*mpc));
-#ifdef DEBUG_MPTABLE
- printk(BIOS_DEBUG, "add intsrc srcbus 0x%x srcbusirq 0x%x, dstapic 0x%x, dstirq 0x%x\n",
- srcbus, srcbusirq, dstapic, dstirq);
- hexdump(__func__, mpc, sizeof(*mpc));
-#endif
-}
-
-void smp_write_intsrc_pci_bridge(struct mp_config_table *mc,
- unsigned char irqtype, unsigned short irqflag,
- struct device *dev,
- unsigned char dstapic, unsigned char *dstirq)
-{
- struct device *child;
-
- int i;
- int srcbus;
- int slot;
-
- struct bus *link;
- unsigned char dstirq_x[4];
-
- for (link = dev->link_list; link; link = link->next) {
-
- child = link->children;
- srcbus = link->secondary;
-
- while (child) {
- if (child->path.type != DEVICE_PATH_PCI)
- goto next;
-
- slot = (child->path.pci.devfn >> 3);
- /* round pins */
- for (i = 0; i < 4; i++)
- dstirq_x[i] = dstirq[(i + slot) % 4];
-
- if ((child->class >> 16) != PCI_BASE_CLASS_BRIDGE) {
- /* pci device */
- printk(BIOS_DEBUG, "route irq: %s\n", dev_path(child));
- for (i = 0; i < 4; i++)
- smp_write_intsrc(mc, irqtype, irqflag, srcbus, (slot<<2)|i, dstapic, dstirq_x[i]);
- goto next;
- }
-
- switch (child->class>>8) {
- case PCI_CLASS_BRIDGE_PCI:
- case PCI_CLASS_BRIDGE_PCMCIA:
- case PCI_CLASS_BRIDGE_CARDBUS:
- printk(BIOS_DEBUG, "route irq bridge: %s\n", dev_path(child));
- smp_write_intsrc_pci_bridge(mc, irqtype, irqflag, child, dstapic, dstirq_x);
- }
-
- next:
- child = child->sibling;
- }
-
- }
-}
-
-void smp_write_lintsrc(struct mp_config_table *mc,
- unsigned char irqtype, unsigned short irqflag,
- unsigned char srcbusid, unsigned char srcbusirq,
- unsigned char destapic, unsigned char destapiclint)
-{
- struct mpc_config_lintsrc *mpc;
- mpc = smp_next_mpc_entry(mc);
- memset(mpc, '\0', sizeof(*mpc));
- mpc->mpc_type = MP_LINTSRC;
- mpc->mpc_irqtype = irqtype;
- mpc->mpc_irqflag = irqflag;
- mpc->mpc_srcbusid = srcbusid;
- mpc->mpc_srcbusirq = srcbusirq;
- mpc->mpc_destapic = destapic;
- mpc->mpc_destapiclint = destapiclint;
- smp_add_mpc_entry(mc, sizeof(*mpc));
-}
-
-void smp_write_address_space(struct mp_config_table *mc,
- unsigned char busid, unsigned char address_type,
- unsigned int address_base_low, unsigned int address_base_high,
- unsigned int address_length_low, unsigned int address_length_high)
-{
- struct mp_exten_system_address_space *mpe;
- mpe = smp_next_mpe_entry(mc);
- memset(mpe, '\0', sizeof(*mpe));
- mpe->mpe_type = MPE_SYSTEM_ADDRESS_SPACE;
- mpe->mpe_length = sizeof(*mpe);
- mpe->mpe_busid = busid;
- mpe->mpe_address_type = address_type;
- mpe->mpe_address_base_low = address_base_low;
- mpe->mpe_address_base_high = address_base_high;
- mpe->mpe_address_length_low = address_length_low;
- mpe->mpe_address_length_high = address_length_high;
- smp_add_mpe_entry(mc, (mpe_t)mpe);
-}
-
-
-void smp_write_bus_hierarchy(struct mp_config_table *mc,
- unsigned char busid, unsigned char bus_info,
- unsigned char parent_busid)
-{
- struct mp_exten_bus_hierarchy *mpe;
- mpe = smp_next_mpe_entry(mc);
- memset(mpe, '\0', sizeof(*mpe));
- mpe->mpe_type = MPE_BUS_HIERARCHY;
- mpe->mpe_length = sizeof(*mpe);
- mpe->mpe_busid = busid;
- mpe->mpe_bus_info = bus_info;
- mpe->mpe_parent_busid = parent_busid;
- smp_add_mpe_entry(mc, (mpe_t)mpe);
-}
-
-void smp_write_compatibility_address_space(struct mp_config_table *mc,
- unsigned char busid, unsigned char address_modifier,
- unsigned int range_list)
-{
- struct mp_exten_compatibility_address_space *mpe;
- mpe = smp_next_mpe_entry(mc);
- memset(mpe, '\0', sizeof(*mpe));
- mpe->mpe_type = MPE_COMPATIBILITY_ADDRESS_SPACE;
- mpe->mpe_length = sizeof(*mpe);
- mpe->mpe_busid = busid;
- mpe->mpe_address_modifier = address_modifier;
- mpe->mpe_range_list = range_list;
- smp_add_mpe_entry(mc, (mpe_t)mpe);
-}
-
-void mptable_add_isa_interrupts(struct mp_config_table *mc, unsigned long bus_isa, unsigned long apicid, int external_int2)
-{
-/*I/O Ints: Type Trigger Polarity Bus ID IRQ APIC ID PIN# */
- smp_write_intsrc(mc, external_int2?mp_INT:mp_ExtINT,
- MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, apicid, 0x0);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x1, apicid, 0x1);
- smp_write_intsrc(mc, external_int2?mp_ExtINT:mp_INT,
- MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, apicid, 0x2);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x3, apicid, 0x3);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x4, apicid, 0x4);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x6, apicid, 0x6);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x7, apicid, 0x7);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x8, apicid, 0x8);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x9, apicid, 0x9);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xa, apicid, 0xa);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xb, apicid, 0xb);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xc, apicid, 0xc);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xd, apicid, 0xd);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xe, apicid, 0xe);
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0xf, apicid, 0xf);
-}
-
-void mptable_write_buses(struct mp_config_table *mc, int *max_pci_bus, int *isa_bus) {
- int dummy, i, highest;
- char buses[256];
- struct device *dev;
-
- if (!max_pci_bus) max_pci_bus = &dummy;
- if (!isa_bus) isa_bus = &dummy;
-
- *max_pci_bus = 0;
- highest = 0;
- memset(buses, 0, sizeof(buses));
-
- for (dev = all_devices; dev; dev = dev->next) {
- struct bus *bus;
- for (bus = dev->link_list; bus; bus = bus->next) {
- if (bus->secondary > 255) {
- printk(BIOS_ERR, "A bus claims to have a bus ID > 255?!? Aborting");
- return;
- }
- buses[bus->secondary] = 1;
- if (highest < bus->secondary) highest = bus->secondary;
- }
- }
- for (i=0; i <= highest; i++) {
- if (buses[i]) {
- smp_write_bus(mc, i, "PCI ");
- *max_pci_bus = i;
- }
- }
- *isa_bus = *max_pci_bus + 1;
- smp_write_bus(mc, *isa_bus, "ISA ");
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-07 05:56:15 +0000