diff options
Diffstat (limited to 'src/mainboard/dell/s1850/mptable.c')
| -rw-r--r-- | src/mainboard/dell/s1850/mptable.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/src/mainboard/dell/s1850/mptable.c b/src/mainboard/dell/s1850/mptable.c new file mode 100644 index 0000000000..f0624751b3 --- /dev/null +++ b/src/mainboard/dell/s1850/mptable.c @@ -0,0 +1,219 @@ +#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] = "DELL "; + static const char productid[12] = "S2850 "; + struct mp_config_table *mc; + unsigned char bus_num; + unsigned char bus_isa; + unsigned char bus_pxhd_1; + unsigned char bus_pxhd_2; + unsigned char bus_pxhd_3; + unsigned char bus_pxhd_4; + unsigned char bus_ich5r_1; + + 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; + + /* ich5r */ + dev = dev_find_slot(0, PCI_DEVFN(0x1e,0)); + if (dev) { + bus_ich5r_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 0:1e.0, using defaults\n"); + + bus_ich5r_1 = 7; + bus_isa = 8; + } + /* pxhd-1 */ + dev = dev_find_slot(1, PCI_DEVFN(0x0,0)); + if (dev) { + bus_pxhd_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); + + } + else { + printk_debug("ERROR - could not find PCI 1:00.0, using defaults\n"); + + bus_pxhd_1 = 2; + } + /* pxhd-2 */ + dev = dev_find_slot(1, PCI_DEVFN(0x00,2)); + if (dev) { + bus_pxhd_2 = pci_read_config8(dev, PCI_SECONDARY_BUS); + + } + else { + printk_debug("ERROR - could not find PCI 1:00.2, using defaults\n"); + + bus_pxhd_2 = 3; + } + + /* pxhd-3 */ + dev = dev_find_slot(0, PCI_DEVFN(0x4,0)); + if (dev) { + bus_pxhd_3 = pci_read_config8(dev, PCI_SECONDARY_BUS); + + } + else { + printk_debug("ERROR - could not find PCI 0:04.0, using defaults\n"); + + bus_pxhd_3 = 5; + } + /* pxhd-4 */ + dev = dev_find_slot(0, PCI_DEVFN(0x06,0)); + if (dev) { + bus_pxhd_4 = pci_read_config8(dev, PCI_SECONDARY_BUS); + + } + else { + printk_debug("ERROR - could not find PCI 0:06.0, using defaults\n"); + + bus_pxhd_4 = 6; + } + + } + + /* 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 "); + + /* IOAPIC handling */ + + smp_write_ioapic(mc, 2, 0x20, 0xfec00000); + { + struct resource *res; + device_t dev; + /* pxhd apic 3 */ + dev = dev_find_slot(1, PCI_DEVFN(0x00,1)); + if (dev) { + res = find_resource(dev, PCI_BASE_ADDRESS_0); + if (res) { + smp_write_ioapic(mc, 0x03, 0x20, res->base); + } + } + else { + printk_debug("ERROR - could not find IOAPIC PCI 1:00.1\n"); + } + /* pxhd apic 4 */ + dev = dev_find_slot(1, PCI_DEVFN(0x00,3)); + if (dev) { + res = find_resource(dev, PCI_BASE_ADDRESS_0); + if (res) { + smp_write_ioapic(mc, 0x04, 0x20, res->base); + } + } + else { + printk_debug("ERROR - could not find IOAPIC PCI 1:00.3\n"); + } + } + /* ISA backward compatibility interrupts */ + smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x00, 0x02, 0x00); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x01, 0x02, 0x01); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x00, 0x02, 0x02); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x03, 0x02, 0x03); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x04, 0x02, 0x04); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + 0x00, 0x74, 0x02, 0x10); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x06, 0x02, 0x06); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + 0x00, 0x76, 0x02, 0x12); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x08, 0x02, 0x08); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x09, 0x02, 0x09); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + 0x00, 0x77, 0x02, 0x17); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + 0x00, 0x75, 0x02, 0x13); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x0c, 0x02, 0x0c); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x0d, 0x02, 0x0d); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x0e, 0x02, 0x0e); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x0f, 0x02, 0x0f); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + 0x00, 0x74, 0x02, 0x10); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + 0x00, 0x7c, 0x02, 0x12); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + 0x00, 0x7d, 0x02, 0x11); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + bus_pxhd_1, 0x08, 0x03, 0x00); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + bus_pxhd_1, 0x0c, 0x03, 0x06); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + bus_pxhd_1, 0x0d, 0x03, 0x07); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + bus_pxhd_2, 0x08, 0x04, 0x00); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + bus_ich5r_1, 0x04, 0x02, 0x10); + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + bus_pxhd_4, 0x00, 0x02, 0x10); +#if 0 + smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, + (bus_isa - 1), 0x04, 0x02, 0x10); +#endif + /* Standard local interrupt assignments */ +#if 0 + smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + bus_isa, 0x00, MP_APIC_ALL, 0x00); +#endif + smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, + 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); +} + |