--- /dev/null
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2007 Corey Osgood <corey.osgood@gmail.com>
+##
+## 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
+##
+
+driver-y += northbridge.c
--- /dev/null
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 Corey Osgood <corey.osgood@gmail.com>
+ *
+ * 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
+ */
+
+struct northbridge_rdc_r8610_config {
+};
+
+extern struct chip_operations northbridge_rdc_r8610_ops;
--- /dev/null
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Rudolf Marek <r.marek@assembler.cz>
+ *
+ * Based on qemu-x86/northbridge.c
+ *
+ * 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 <console/console.h>
+#include <arch/io.h>
+#include <stdint.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <stdlib.h>
+#include <string.h>
+#include <bitops.h>
+#include <smbios.h>
+#include "chip.h"
+
+#if CONFIG_WRITE_HIGH_TABLES==1
+#include <cbmem.h>
+#endif
+
+static unsigned long get_memory_size(void)
+{
+ device_t nb_dev;
+ u8 size;
+
+ nb_dev = dev_find_device(PCI_VENDOR_ID_RDC,
+ PCI_DEVICE_ID_RDC_R8610_NB, 0);
+ size = pci_read_config8(nb_dev, 0x6d) & 0xf;
+ return (2 * 1024) << size;
+}
+
+static void cpu_pci_domain_set_resources(device_t dev)
+{
+ u32 pci_tolm = find_pci_tolm(dev->link_list);
+ unsigned long tomk = 0, tolmk;
+ int idx;
+
+ tomk = get_memory_size();
+ printk(BIOS_DEBUG, "Detected %lu Kbytes (%lu MiB) RAM.\n",
+ tomk, tomk / 1024);
+
+ /* Compute the top of Low memory */
+ tolmk = pci_tolm >> 10;
+ if (tolmk >= tomk) {
+ /* The PCI hole does not overlap the memory. */
+ tolmk = tomk;
+ }
+
+ /* Report the memory regions. */
+ idx = 10;
+ ram_resource(dev, idx++, 0, 640);
+ ram_resource(dev, idx++, 768, tolmk - 768);
+
+#if CONFIG_WRITE_HIGH_TABLES==1
+ /* Leave some space for ACPI, PIRQ and MP tables */
+ high_tables_base = (tomk * 1024) - HIGH_MEMORY_SIZE;
+ high_tables_size = HIGH_MEMORY_SIZE;
+#endif
+
+ assign_resources(dev->link_list);
+}
+
+static void cpu_pci_domain_read_resources(struct device *dev)
+{
+ pci_domain_read_resources(dev);
+}
+
+#if CONFIG_GENERATE_SMBIOS_TABLES
+static int rdc_get_smbios_data16(int handle, unsigned long *current)
+{
+ struct smbios_type16 *t = (struct smbios_type16 *)*current;
+ int len = sizeof(struct smbios_type16);
+
+ memset(t, 0, sizeof(struct smbios_type16));
+ t->type = SMBIOS_PHYS_MEMORY_ARRAY;
+ t->handle = handle;
+ t->length = len - 2;
+ t->location = 3; /* Location: System Board */
+ t->use = 3; /* System memory */
+ t->memory_error_correction = 3; /* No error correction */
+ t->maximum_capacity = get_memory_size();
+ *current += len;
+ return len;
+}
+
+static int rdc_get_smbios_data(device_t dev, int *handle, unsigned long *current)
+{
+ int len;
+ len = rdc_get_smbios_data16(*handle, current);
+ *handle += 1;
+ return len;
+}
+#endif
+static struct device_operations pci_domain_ops = {
+ .read_resources = cpu_pci_domain_read_resources,
+ .set_resources = cpu_pci_domain_set_resources,
+ .enable_resources = NULL,
+ .init = NULL,
+ .scan_bus = pci_domain_scan_bus,
+#if CONFIG_GENERATE_SMBIOS_TABLES
+ .get_smbios_data = rdc_get_smbios_data,
+#endif
+};
+
+static void enable_dev(struct device *dev)
+{
+ /* Set the operations if it is a special bus type */
+ if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) {
+ dev->ops = &pci_domain_ops;
+ pci_set_method(dev);
+ }
+}
+
+struct chip_operations northbridge_rdc_r8610_ops = {
+ CHIP_NAME("RDC R8610 Northbridge")
+ .enable_dev = enable_dev,
+};
projects / coreboot.git / commitdiff