Comments
Patch
===================================================================
@@ -0,0 +1,46 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Rudolf Marek <r.marek@assembler.cz>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 <arch/io.h>
+#include <arch/romcc_io.h>
+#include <device/pci_ids.h>
+
+static void bootblock_southbridge_init(void)
+{
+ device_t dev;
+ /* don't walk other busses, HT is not enabled */
+
+ /* ROM decode last 8MB FF800000 - FFFFFFFF on VT8237S/VT8237A */
+ /* ROM decode last 4MB FFC00000 - FFFFFFFF on VT8237R */
+
+ /* Power management controller */
+ dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
+
+ if (dev == PCI_DEV_INVALID) {
+ /* Power management controller */
+ dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_VT8237S_LPC), 0);
+
+ if (dev == PCI_DEV_INVALID)
+ return;
+ }
+
+ pci_write_config8(dev, 0x41, 0x7f);
+}
===================================================================
@@ -25,3 +25,8 @@
bool
default n
depends on SOUTHBRIDGE_VIA_VT8237R
+
+config BOOTBLOCK_SOUTHBRIDGE_INIT
+ string
+ default "southbridge/via/vt8237r/bootblock.c"
+ depends on SOUTHBRIDGE_VIA_VT8237R
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Very good idea! It works! Attached patch adds support for tinybootblock on VT8237* to decode whole flash independent of strapping, making larger flashes work. We cannot walk anything else than PCI bus 0 because HT is not setup yet. Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Rudolf -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkvQwn8ACgkQ3J9wPJqZRNXjqwCgvrUVovwnCtN/Y+oYdxXhvIhZ cfEAoIwbEEWwhu1dqWQk/nb768TCS9cj =21JF -----END PGP SIGNATURE-----