diff options
Diffstat (limited to 'src/mainboard/ibm/e326/mptable.c')
| -rw-r--r-- | src/mainboard/ibm/e326/mptable.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/mainboard/ibm/e326/mptable.c b/src/mainboard/ibm/e326/mptable.c new file mode 100644 index 0000000000..6ad8b945b4 --- /dev/null +++ b/src/mainboard/ibm/e326/mptable.c @@ -0,0 +1,175 @@ +#include <console/console.h> +#include <arch/smp/mpspec.h> +#include <device/pci.h> +#include <string.h> +#include <stdint.h> + +void *smp_write_config_table(void *v) +{ + static const char sig[4] = "PCMP"; + static const char oem[8] = "IBM "; + static const char productid[12] = "E325 "; + struct mp_config_table *mc; + + unsigned char bus_num; + unsigned char bus_isa; + unsigned char bus_8111_0; + unsigned char bus_8111_1; + unsigned char bus_8131_1; + unsigned char bus_8131_2; + + mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN); + memset(mc, 0, sizeof(*mc)); + + memcpy(mc->mpc_signature, sig, sizeof(sig)); + mc->mpc_length = sizeof(*mc); /* initially just the header */ + mc->mpc_spec = 0x04; + mc->mpc_checksum = 0; /* not yet computed */ + memcpy(mc->mpc_oem, oem, sizeof(oem)); + memcpy(mc->mpc_productid, productid, sizeof(productid)); + 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; + + smp_write_processors(mc); + + { + device_t dev; + + /* 8111 */ + dev = dev_find_slot(1, PCI_DEVFN(0x03,0)); + if (dev) { + bus_8111_0 = pci_read_config8(dev, PCI_PRIMARY_BUS); + bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); + bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_isa++; + } else { + printk_debug("ERROR - could not find PCI 1:03.0, using defaults\n"); + bus_8111_1 = 4; + bus_isa = 5; + } + + /* 8131-1 */ + dev = dev_find_slot(1, PCI_DEVFN(0x01,0)); + if (dev) { + bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); + + } else { + printk_debug("ERROR - could not find PCI 1:01.0, using defaults\n"); + bus_8131_1 = 2; + } + + /* 8131-2 */ + dev = dev_find_slot(1, PCI_DEVFN(0x02,0)); + if (dev) { + bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS); + } else { + printk_debug("ERROR - could not find PCI 1:02.0, using defaults\n"); + bus_8131_2 = 3; + } + } + + /* define bus and isa numbers */ + for (bus_num = 0; bus_num < bus_isa; bus_num++) { + smp_write_bus(mc, bus_num, "PCI "); + } + smp_write_bus(mc, bus_isa, "ISA "); + + /* Legacy IOAPIC #2 */ + smp_write_ioapic(mc, 2, 0x11, 0xfec00000); + { + device_t dev; + struct resource *res; + /* 8131-1 apic #3 */ + dev = dev_find_slot(1, PCI_DEVFN(0x01,1)); + if (dev) { + res = find_resource(dev, PCI_BASE_ADDRESS_0); + if (res) { + smp_write_ioapic(mc, 0x03, 0x11, res->base); + } + } + /* 8131-2 apic #4 */ + dev = dev_find_slot(1, PCI_DEVFN(0x02,1)); + if (dev) { + res = find_resource(dev, PCI_BASE_ADDRESS_0); + if (res) { + smp_write_ioapic(mc, 0x04, 0x11, res->base); + } + } + } + + /* ISA backward compatibility interrupts */ + smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x00, 0x02, 0x00); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x01, 0x02, 0x01); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x00, 0x02, 0x02); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x03, 0x02, 0x03); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x04, 0x02, 0x04); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x05, 0x02, 0x05); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x06, 0x02, 0x06); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x07, 0x02, 0x07); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x08, 0x02, 0x08); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x09, 0x02, 0x09); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x0a, 0x02, 0x0a); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x0b, 0x02, 0x0b); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x0c, 0x02, 0x0c); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x0d, 0x02, 0x0d); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x0e, 0x02, 0x0e); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x0f, 0x02, 0x0f); + + /* PCI Ints: Type Polarity Trigger Bus ID PCIDEVNUM|IRQ APIC ID PIN# */ + /* Integrated SMBus 2.0 */ + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_0, (0x04<<2)|3, 0x2, 0x13); + /* Integrated AMD AC97 Audio */ + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_0, (0x04<<2)|1, 0x2, 0x11); + + /* Integrated AMD USB */ + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x00<<2)|3, 0x2, 0x13); + + /* On board ATI Rage XL */ + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|0, 0x2, 0x10); + + /* On board Broadcom nics */ + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|0, 0x3, 0x00); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|1, 0x3, 0x01); + + /* On board LSI SCSI */ + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|0, 0x3, 0x02); + + /* PCI Slot 1 PCIX */ + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x03<<2)|0, 0x2, 0x10); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x03<<2)|1, 0x2, 0x11); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x03<<2)|2, 0x2, 0x12); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x03<<2)|3, 0x2, 0x13); + + /* PCI Slot 2 PCIX */ + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x04<<2)|0, 0x2, 0x11); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x04<<2)|1, 0x2, 0x12); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x04<<2)|2, 0x2, 0x13); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x04<<2)|3, 0x2, 0x10); + + /* Standard local interrupt assignments: + * Type Polarity Trigger Bus ID IRQ APIC ID PIN# */ + smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x00, MP_APIC_ALL, 0x00); + smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_isa, 0x00, MP_APIC_ALL, 0x01); + + /* There is no extension information... */ + + /* Compute the checksums */ + mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length); + mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length); + printk_debug("Wrote the mp table end at: %p - %p\n", + mc, smp_next_mpe_entry(mc)); + return smp_next_mpe_entry(mc); +} + +unsigned long write_smp_table(unsigned long addr) +{ + void *v; + v = smp_write_floating_table(addr); + return (unsigned long)smp_write_config_table(v); +} + |