1 #include <console/console.h>
2 #include <arch/smp/mpspec.h>
3 #include <arch/ioapic.h>
4 #include <device/pci.h>
8 static void *smp_write_config_table(void *v)
10 struct mp_config_table *mc;
12 unsigned char bus_pxhd_1;
13 unsigned char bus_pxhd_2;
14 unsigned char bus_pxhd_3;
15 unsigned char bus_pxhd_4;
16 unsigned char bus_ich5r_1;
18 mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
20 mptable_init(mc, LAPIC_ADDR);
22 smp_write_processors(mc);
28 dev = dev_find_slot(0, PCI_DEVFN(0x1e,0));
30 bus_ich5r_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
33 printk(BIOS_DEBUG, "ERROR - could not find PCI 0:1e.0, using defaults\n");
37 dev = dev_find_slot(1, PCI_DEVFN(0x0,0));
39 bus_pxhd_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
42 printk(BIOS_DEBUG, "ERROR - could not find PCI 1:00.0, using defaults\n");
46 dev = dev_find_slot(1, PCI_DEVFN(0x00,2));
48 bus_pxhd_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
51 printk(BIOS_DEBUG, "ERROR - could not find PCI 1:00.2, using defaults\n");
56 dev = dev_find_slot(0, PCI_DEVFN(0x4,0));
58 bus_pxhd_3 = pci_read_config8(dev, PCI_SECONDARY_BUS);
61 printk(BIOS_DEBUG, "ERROR - could not find PCI 0:04.0, using defaults\n");
65 dev = dev_find_slot(0, PCI_DEVFN(0x06,0));
67 bus_pxhd_4 = pci_read_config8(dev, PCI_SECONDARY_BUS);
70 printk(BIOS_DEBUG, "ERROR - could not find PCI 0:06.0, using defaults\n");
76 mptable_write_buses(mc, NULL, &bus_isa);
80 smp_write_ioapic(mc, 2, 0x20, IO_APIC_ADDR);
85 dev = dev_find_slot(1, PCI_DEVFN(0x00,1));
87 res = find_resource(dev, PCI_BASE_ADDRESS_0);
89 smp_write_ioapic(mc, 0x03, 0x20, res->base);
93 printk(BIOS_DEBUG, "ERROR - could not find IOAPIC PCI 1:00.1\n");
96 dev = dev_find_slot(1, PCI_DEVFN(0x00,3));
98 res = find_resource(dev, PCI_BASE_ADDRESS_0);
100 smp_write_ioapic(mc, 0x04, 0x20, res->base);
104 printk(BIOS_DEBUG, "ERROR - could not find IOAPIC PCI 1:00.3\n");
108 mptable_add_isa_interrupts(mc, bus_isa, 0x2, 0);
110 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
111 0x00, 0x74, 0x02, 0x10);
112 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
113 0x00, 0x76, 0x02, 0x12);
114 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
115 0x00, 0x77, 0x02, 0x17);
116 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
117 0x00, 0x75, 0x02, 0x13);
118 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
119 0x00, 0x74, 0x02, 0x10);
120 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
121 0x00, 0x7c, 0x02, 0x12);
122 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
123 0x00, 0x7d, 0x02, 0x11);
124 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
125 bus_pxhd_1, 0x08, 0x03, 0x00);
126 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
127 bus_pxhd_1, 0x0c, 0x03, 0x06);
128 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
129 bus_pxhd_1, 0x0d, 0x03, 0x07);
130 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
131 bus_pxhd_2, 0x08, 0x04, 0x00);
132 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
133 bus_ich5r_1, 0x04, 0x02, 0x10);
134 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
135 bus_pxhd_4, 0x00, 0x02, 0x10);
137 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
138 (bus_isa - 1), 0x04, 0x02, 0x10);
140 /* Standard local interrupt assignments */
142 smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
143 bus_isa, 0x00, MP_APIC_ALL, 0x00);
145 smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
146 bus_isa, 0x00, MP_APIC_ALL, 0x01);
148 /* There is no extension information... */
150 /* Compute the checksums */
151 mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);
153 mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);
154 printk(BIOS_DEBUG, "Wrote the mp table end at: %p - %p\n",
155 mc, smp_next_mpe_entry(mc));
156 return smp_next_mpe_entry(mc);
159 unsigned long write_smp_table(unsigned long addr)
162 v = smp_write_floating_table(addr);
163 return (unsigned long)smp_write_config_table(v);