This adds a mptable for the VIA pc2500e. I've tested with the devices

in the VT8237R, and a card interrupting at Pin-A on either PCI slot.

Signed-off-by: Jonathan A. Kollasch <jakllsch@kollasch.net>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3826 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 159 insertions, 0 deletions

diff --git a/src/mainboard/via/pc2500e/mptable.c b/src/mainboard/via/pc2500e/mptable.c
new file mode 100644
index 0000000000..7f0ae85806
--- /dev/null
+++ b/src/mainboard/via/pc2500e/mptable.c
@@ -0,0 +1,159 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 AMD
+ * (Written by Yinghai Lu <yinghailu@amd.com> for AMD)
+ * Copyright (C) 2007 Philipp Degler <pdegler@rumms.uni-mannheim.de>
+ * (Thanks to LSRA University of Mannheim for their support)
+ * Copyright (C) 2008 Jonathan A. Kollasch <jakllsch@kollasch.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <arch/smp/mpspec.h>
+#include <device/pci.h>
+#include <string.h>
+#include <stdint.h>
+#include <../../../southbridge/via/vt8237r/vt8237r.h>
+
+
+#define bus_isa 2
+
+void *smp_write_config_table(void *v)
+{
+	static const char sig[4] = "PCMP";
+	static const char oem[8] = "VIA     ";
+	static const char productid[12] = "PC2500      ";
+	struct mp_config_table *mc;
+
+	int bus_num;
+	int i;
+
+	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);
+
+
+/* Bus:		Bus ID	Type*/
+	/* define numbers for pci and isa bus */
+	for (bus_num = 0; bus_num < bus_isa; bus_num++) {
+		smp_write_bus(mc, bus_num, "PCI   ");
+	}
+	smp_write_bus(mc, bus_isa, "ISA   ");
+
+
+/* I/O APICs:	APIC ID	Version	State		Address*/
+	smp_write_ioapic(mc, VT8237R_APIC_ID, 0x20, VT8237R_APIC_BASE);
+
+	/* Now, assemble the table. */
+
+	smp_write_intsrc(mc, mp_ExtINT,
+			 MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
+			 bus_isa, 0x0, VT8237R_APIC_ID, 0x0);
+
+#define ISA_INT(intr, pin) \
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, \
+		bus_isa, (intr), VT8237R_APIC_ID, (pin))
+
+	ISA_INT(1, 1);
+	ISA_INT(0, 2);
+	ISA_INT(3, 3);
+	ISA_INT(4, 4);
+
+	ISA_INT(6, 6);
+	ISA_INT(7, 7);
+	ISA_INT(8, 8);
+	ISA_INT(9, 9);
+
+	ISA_INT(0xc, 0xc);
+	ISA_INT(0xd, 0xd);
+	ISA_INT(0xe, 0xe);
+	ISA_INT(0xf, 0xf);
+
+#define PCI_INT(bus, dev, fn, pin) \
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, \
+		bus, (((dev)<<2)|(fn)), VT8237R_APIC_ID, (pin))
+
+	// PCI slot 1
+	PCI_INT(0, 8, 0, 16);
+	PCI_INT(0, 8, 1, 17);
+	PCI_INT(0, 8, 2, 18);
+	PCI_INT(0, 8, 3, 19);
+
+	// PCI slot 2
+	PCI_INT(0, 9, 0, 17);
+	PCI_INT(0, 9, 1, 18);
+	PCI_INT(0, 9, 2, 19);
+	PCI_INT(0, 9, 3, 16);
+
+	// SATA
+	PCI_INT(0, 15, 1, 20);
+
+	// USB
+	PCI_INT(0, 16, 0, 21);
+	PCI_INT(0, 16, 1, 21);
+	PCI_INT(0, 16, 2, 21);
+	PCI_INT(0, 16, 3, 21);
+
+	// Audio
+	PCI_INT(0, 17, 2, 22);
+
+	// Ethernet
+	PCI_INT(0, 18, 0, 23);
+
+	/* Onboard VGA */
+	PCI_INT(1, 0, 0, 16);
+
+/*Local Ints:	Type	Polarity    Trigger	Bus ID	 IRQ	APIC ID	PIN#*/
+	smp_write_lintsrc(mc, mp_ExtINT,
+			 MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT,
+			 0, 0x0, MP_APIC_ALL, 0x0);
+	smp_write_lintsrc(mc, mp_NMI,
+			 MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT,
+			 0, 0x0, MP_APIC_ALL, 0x1);
+
+	/* 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);
+}