2 * This file is part of the coreboot project.
4 * Copyright (C) 2007 AMD
5 * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <console/console.h>
23 #include <arch/smp/mpspec.h>
24 #include <device/pci.h>
27 #include <cpu/amd/amdk8_sysconf.h>
29 extern unsigned char bus_isa;
30 extern unsigned char bus_mcp55[8]; // 1
31 extern unsigned apicid_mcp55;
32 extern unsigned bus_type[256];
36 static void *smp_write_config_table(void *v)
38 static const char sig[4] = "PCMP";
39 static const char oem[8] = "COREBOOT";
40 static const char productid[12] = "MS-7260 ";
41 struct mp_config_table *mc;
45 mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
46 memset(mc, 0, sizeof(*mc));
48 memcpy(mc->mpc_signature, sig, sizeof(sig));
49 mc->mpc_length = sizeof(*mc); /* Initially just the header */
51 mc->mpc_checksum = 0; /* Not yet computed */
52 memcpy(mc->mpc_oem, oem, sizeof(oem));
53 memcpy(mc->mpc_productid, productid, sizeof(productid));
56 mc->mpc_entry_count = 0; /* No entries yet... */
57 mc->mpc_lapic = LAPIC_ADDR;
62 smp_write_processors(mc);
67 /* Bus: Bus ID Type */
68 /* Define bus and ISA numbers. */
69 for (j = 0; j < 256; j++) {
71 smp_write_bus(mc, j, "PCI ");
73 smp_write_bus(mc, bus_isa, "ISA ");
75 /* I/O APICs: APIC ID Version State Address */
81 dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn + 0x1, 0));
83 res = find_resource(dev, PCI_BASE_ADDRESS_1);
85 smp_write_ioapic(mc, apicid_mcp55, 0x11, res->base);
88 pci_write_config32(dev, 0x7c, dword);
91 pci_write_config32(dev, 0x80, dword);
94 pci_write_config32(dev, 0x84, dword);
98 mptable_add_isa_interrupts(mc, bus_isa, apicid_mcp55, 0);
100 /* I/O Ints: Type Trigger Polarity Bus ID IRQ APIC ID PIN# */
101 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, bus_mcp55[0], ((sbdn + 1) << 2) | 1, apicid_mcp55, 0xa);
102 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, bus_mcp55[0], ((sbdn + 2) << 2) | 0, apicid_mcp55, 0x16); // 22
103 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, bus_mcp55[0], ((sbdn + 2) << 2) | 1, apicid_mcp55, 0x17); // 23
104 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, bus_mcp55[0], ((sbdn + 6) << 2) | 1, apicid_mcp55, 0x17); // 23
105 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, bus_mcp55[0], ((sbdn + 5) << 2) | 0, apicid_mcp55, 0x14); // 20
106 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, bus_mcp55[0], ((sbdn + 5) << 2) | 1, apicid_mcp55, 0x17); // 23
107 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, bus_mcp55[0], ((sbdn + 5) << 2) | 2, apicid_mcp55, 0x15); // 21
108 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, bus_mcp55[0], ((sbdn + 8) << 2) | 0, apicid_mcp55, 0x16); // 22
110 for (j = 7; j >= 2; j--) {
113 for (i = 0; i < 4; i++)
114 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, bus_mcp55[j], (0x00 << 2) | i, apicid_mcp55, 0x10 + (2 + j + i + 4 - sbdn % 4) % 4);
117 for (j = 0; j < 2; j++) {
118 for (i = 0; i < 4; i++)
119 smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW, bus_mcp55[1], ((0x06 + j) << 2) | i, apicid_mcp55, 0x10 + (2 + i + j) % 4);
122 /* Local Ints: Type Trigger Polarity Bus ID IRQ APIC ID PIN# */
123 smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x0);
124 smp_write_intsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x1);
126 /* There is no extension information... */
128 /* Compute the checksums. */
130 smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);
131 mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);
132 printk(BIOS_DEBUG, "Wrote the mp table end at: %p - %p\n",
133 mc, smp_next_mpe_entry(mc));
134 return smp_next_mpe_entry(mc);
137 unsigned long write_smp_table(unsigned long addr)
140 v = smp_write_floating_table(addr);
141 return (unsigned long)smp_write_config_table(v);