| #ifndef __ASM_MPSPEC_H |
| #define __ASM_MPSPEC_H |
| |
| #include <device/device.h> |
| #include <cpu/x86/lapic_def.h> |
| |
| /* |
| * Structure definitions for SMP machines following the |
| * Intel Multiprocessing Specification 1.1 and 1.4. |
| */ |
| |
| /* |
| * This tag identifies where the SMP configuration |
| * information is. |
| */ |
| |
| #define SMP_MAGIC_IDENT (('_'<<24)|('P'<<16)|('M'<<8)|'_') |
| |
| /* |
| * a maximum of 16 APICs with the current APIC ID architecture. |
| */ |
| #define MAX_APICS 16 |
| |
| |
| #define SMP_FLOATING_TABLE_LEN sizeof(struct intel_mp_floating) |
| |
| struct intel_mp_floating |
| { |
| char mpf_signature[4]; /* "_MP_" */ |
| unsigned long mpf_physptr; /* Configuration table address */ |
| unsigned char mpf_length; /* Our length (paragraphs) */ |
| unsigned char mpf_specification;/* Specification version */ |
| unsigned char mpf_checksum; /* Checksum (makes sum 0) */ |
| unsigned char mpf_feature1; /* Standard or configuration ? */ |
| unsigned char mpf_feature2; /* Bit7 set for IMCR|PIC */ |
| #define MP_FEATURE_VIRTUALWIRE (1 << 7) |
| #define MP_FEATURE_PIC (0 << 7) |
| unsigned char mpf_feature3; /* Unused (0) */ |
| unsigned char mpf_feature4; /* Unused (0) */ |
| unsigned char mpf_feature5; /* Unused (0) */ |
| } __attribute__((packed)); |
| |
| struct mp_config_table |
| { |
| char mpc_signature[4]; |
| #define MPC_SIGNATURE "PCMP" |
| unsigned short mpc_length; /* Size of table */ |
| char mpc_spec; /* 0x01 */ |
| char mpc_checksum; |
| char mpc_oem[8]; |
| char mpc_productid[12]; |
| unsigned long mpc_oemptr; /* 0 if not present */ |
| unsigned short mpc_oemsize; /* 0 if not present */ |
| unsigned short mpc_entry_count; |
| unsigned long mpc_lapic; /* APIC address */ |
| unsigned short mpe_length; /* Extended Table size */ |
| unsigned char mpe_checksum; /* Extended Table checksum */ |
| unsigned char reserved; |
| } __attribute__((packed)); |
| |
| /* Followed by entries */ |
| |
| #define MP_PROCESSOR 0 |
| #define MP_BUS 1 |
| #define MP_IOAPIC 2 |
| #define MP_INTSRC 3 |
| #define MP_LINTSRC 4 |
| |
| struct mpc_config_processor |
| { |
| unsigned char mpc_type; |
| unsigned char mpc_apicid; /* Local APIC number */ |
| unsigned char mpc_apicver; /* Its versions */ |
| unsigned char mpc_cpuflag; |
| #define MPC_CPU_ENABLED 1 /* Processor is available */ |
| #define MPC_CPU_BOOTPROCESSOR 2 /* Processor is the BP */ |
| unsigned long mpc_cpufeature; |
| #define MPC_CPU_STEPPING_MASK 0x0F |
| #define MPC_CPU_MODEL_MASK 0xF0 |
| #define MPC_CPU_FAMILY_MASK 0xF00 |
| unsigned long mpc_featureflag; /* CPUID feature value */ |
| unsigned long mpc_reserved[2]; |
| } __attribute__((packed)); |
| |
| struct mpc_config_bus |
| { |
| unsigned char mpc_type; |
| unsigned char mpc_busid; |
| unsigned char mpc_bustype[6]; |
| } __attribute__((packed)); |
| |
| #define BUSTYPE_EISA "EISA" |
| #define BUSTYPE_ISA "ISA" |
| #define BUSTYPE_INTERN "INTERN" /* Internal BUS */ |
| #define BUSTYPE_MCA "MCA" |
| #define BUSTYPE_VL "VL" /* Local bus */ |
| #define BUSTYPE_PCI "PCI" |
| #define BUSTYPE_PCMCIA "PCMCIA" |
| |
| struct mpc_config_ioapic |
| { |
| unsigned char mpc_type; |
| unsigned char mpc_apicid; |
| unsigned char mpc_apicver; |
| unsigned char mpc_flags; |
| #define MPC_APIC_USABLE 0x01 |
| unsigned long mpc_apicaddr; |
| } __attribute__((packed)); |
| |
| struct mpc_config_intsrc |
| { |
| unsigned char mpc_type; |
| unsigned char mpc_irqtype; |
| unsigned short mpc_irqflag; |
| unsigned char mpc_srcbus; |
| unsigned char mpc_srcbusirq; |
| unsigned char mpc_dstapic; |
| unsigned char mpc_dstirq; |
| } __attribute__((packed)); |
| |
| enum mp_irq_source_types { |
| mp_INT = 0, |
| mp_NMI = 1, |
| mp_SMI = 2, |
| mp_ExtINT = 3 |
| }; |
| |
| #define MP_IRQ_POLARITY_DEFAULT 0x0 |
| #define MP_IRQ_POLARITY_HIGH 0x1 |
| #define MP_IRQ_POLARITY_LOW 0x3 |
| #define MP_IRQ_POLARITY_MASK 0x3 |
| #define MP_IRQ_TRIGGER_DEFAULT 0x0 |
| #define MP_IRQ_TRIGGER_EDGE 0x4 |
| #define MP_IRQ_TRIGGER_LEVEL 0xc |
| #define MP_IRQ_TRIGGER_MASK 0xc |
| |
| |
| struct mpc_config_lintsrc |
| { |
| unsigned char mpc_type; |
| unsigned char mpc_irqtype; |
| unsigned short mpc_irqflag; |
| unsigned char mpc_srcbusid; |
| unsigned char mpc_srcbusirq; |
| unsigned char mpc_destapic; |
| #define MP_APIC_ALL 0xFF |
| unsigned char mpc_destapiclint; |
| } __attribute__((packed)); |
| |
| /* |
| * Default configurations |
| * |
| * 1 2 CPU ISA 82489DX |
| * 2 2 CPU EISA 82489DX neither IRQ 0 timer nor IRQ 13 DMA chaining |
| * 3 2 CPU EISA 82489DX |
| * 4 2 CPU MCA 82489DX |
| * 5 2 CPU ISA+PCI |
| * 6 2 CPU EISA+PCI |
| * 7 2 CPU MCA+PCI |
| */ |
| |
| #define MAX_IRQ_SOURCES 128 |
| #define MAX_MP_BUSSES 32 |
| enum mp_bustype { |
| MP_BUS_ISA, |
| MP_BUS_EISA, |
| MP_BUS_PCI, |
| MP_BUS_MCA |
| }; |
| |
| /* Followed by entries */ |
| |
| #define MPE_SYSTEM_ADDRESS_SPACE 0x80 |
| #define MPE_BUS_HIERARCHY 0x81 |
| #define MPE_COMPATIBILITY_ADDRESS_SPACE 0x82 |
| |
| struct mp_exten_config { |
| unsigned char mpe_type; |
| unsigned char mpe_length; |
| } __attribute__((packed)); |
| |
| typedef struct mp_exten_config *mpe_t; |
| |
| struct mp_exten_system_address_space { |
| unsigned char mpe_type; |
| unsigned char mpe_length; |
| unsigned char mpe_busid; |
| unsigned char mpe_address_type; |
| #define ADDRESS_TYPE_IO 0 |
| #define ADDRESS_TYPE_MEM 1 |
| #define ADDRESS_TYPE_PREFETCH 2 |
| unsigned int mpe_address_base_low; |
| unsigned int mpe_address_base_high; |
| unsigned int mpe_address_length_low; |
| unsigned int mpe_address_length_high; |
| } __attribute__((packed)); |
| |
| struct mp_exten_bus_hierarchy { |
| unsigned char mpe_type; |
| unsigned char mpe_length; |
| unsigned char mpe_busid; |
| unsigned char mpe_bus_info; |
| #define BUS_SUBTRACTIVE_DECODE 1 |
| unsigned char mpe_parent_busid; |
| unsigned char reserved[3]; |
| } __attribute__((packed)); |
| |
| struct mp_exten_compatibility_address_space { |
| unsigned char mpe_type; |
| unsigned char mpe_length; |
| unsigned char mpe_busid; |
| unsigned char mpe_address_modifier; |
| #define ADDRESS_RANGE_SUBTRACT 1 |
| #define ADDRESS_RANGE_ADD 0 |
| unsigned int mpe_range_list; |
| #define RANGE_LIST_IO_ISA 0 |
| /* X100 - X3FF |
| * X500 - X7FF |
| * X900 - XBFF |
| * XD00 - XFFF |
| */ |
| #define RANGE_LIST_IO_VGA 1 |
| /* X3B0 - X3BB |
| * X3C0 - X3DF |
| * X7B0 - X7BB |
| * X7C0 - X7DF |
| * XBB0 - XBBB |
| * XBC0 - XBDF |
| * XFB0 - XFBB |
| * XFC0 - XCDF |
| */ |
| } __attribute__((packed)); |
| |
| void mptable_init(struct mp_config_table *mc, u32 lapic_addr); |
| |
| void *smp_next_mpc_entry(struct mp_config_table *mc); |
| void *smp_next_mpe_entry(struct mp_config_table *mc); |
| |
| void smp_write_processor(struct mp_config_table *mc, |
| unsigned char apicid, unsigned char apicver, |
| unsigned char cpuflag, unsigned int cpufeature, |
| unsigned int featureflag); |
| void smp_write_processors(struct mp_config_table *mc); |
| void smp_write_ioapic(struct mp_config_table *mc, |
| unsigned char id, unsigned char ver, |
| unsigned long apicaddr); |
| 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); |
| 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); |
| 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); |
| 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); |
| void smp_write_bus_hierarchy(struct mp_config_table *mc, |
| unsigned char busid, unsigned char bus_info, |
| unsigned char parent_busid); |
| void smp_write_compatibility_address_space(struct mp_config_table *mc, |
| unsigned char busid, unsigned char address_modifier, |
| unsigned int range_list); |
| void *smp_write_floating_table(unsigned long addr, unsigned int virtualwire); |
| unsigned long write_smp_table(unsigned long addr); |
| |
| void mptable_lintsrc(struct mp_config_table *mc, unsigned long bus_isa); |
| void mptable_add_isa_interrupts(struct mp_config_table *mc, unsigned long bus_isa, unsigned long apicid, int external); |
| void mptable_write_buses(struct mp_config_table *mc, int *max_pci_bus, int *isa_bus); |
| void *mptable_finalize(struct mp_config_table *mc); |
| |
| #endif |
| |
