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authorGerd Hoffmann <kraxel@redhat.com>2013-06-07 15:46:23 +0200
committerRonald G. Minnich <rminnich@gmail.com>2013-06-14 18:19:26 +0200
commit00cc7f4355ca1bdd621d4618f24f3336b29463cb (patch)
tree4dbd332fef5a39b55fb95d424e8a5e712ff48ed5 /src/mainboard/emulation/qemu-x86/northbridge.c
parente49679d5a1e6a6225980a9ae8455fef47e56ab12 (diff)
downloadcoreboot-00cc7f4355ca1bdd621d4618f24f3336b29463cb.tar.xz
qemu: move i440fx bits
Prepare tree for adding q35 support: Move emulation/qemu-x86 to emulation/qemu-i440fx. Rename some stuff to include 'i440fx'. Change-Id: Ib8c58175c5734cfcda1b22404ef52c09d38f0462 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-on: http://review.coreboot.org/3429 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/mainboard/emulation/qemu-x86/northbridge.c')
-rw-r--r--src/mainboard/emulation/qemu-x86/northbridge.c191
1 files changed, 0 insertions, 191 deletions
diff --git a/src/mainboard/emulation/qemu-x86/northbridge.c b/src/mainboard/emulation/qemu-x86/northbridge.c
deleted file mode 100644
index 992a39e673..0000000000
--- a/src/mainboard/emulation/qemu-x86/northbridge.c
+++ /dev/null
@@ -1,191 +0,0 @@
-#include <console/console.h>
-#include <cpu/cpu.h>
-#include <cpu/x86/lapic_def.h>
-#include <arch/io.h>
-#include <arch/ioapic.h>
-#include <stdint.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <stdlib.h>
-#include <string.h>
-#include <delay.h>
-#include <smbios.h>
-#include <cbmem.h>
-
-#include "fw_cfg.h"
-
-#include "memory.c"
-
-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 = qemu_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);
-
- /* Leave some space for ACPI, PIRQ and MP tables */
- high_tables_base = (tomk * 1024) - HIGH_MEMORY_SIZE;
- high_tables_size = HIGH_MEMORY_SIZE;
-
- assign_resources(dev->link_list);
-}
-
-static void cpu_pci_domain_read_resources(struct device *dev)
-{
- struct resource *res;
-
- pci_domain_read_resources(dev);
-
- /* Reserve space for the IOAPIC. This should be in the Southbridge,
- * but I couldn't tell which device to put it in. */
- res = new_resource(dev, 2);
- res->base = IO_APIC_ADDR;
- res->size = 0x100000UL;
- res->limit = 0xffffffffUL;
- res->flags = IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED |
- IORESOURCE_ASSIGNED;
-
- /* Reserve space for the LAPIC. There's one in every processor, but
- * the space only needs to be reserved once, so we do it here. */
- res = new_resource(dev, 3);
- res->base = LOCAL_APIC_ADDR;
- res->size = 0x10000UL;
- res->limit = 0xffffffffUL;
- res->flags = IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED |
- IORESOURCE_ASSIGNED;
-}
-
-#if CONFIG_GENERATE_SMBIOS_TABLES
-static int qemu_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 = qemu_get_memory_size();
- *current += len;
- return len;
-}
-
-static int qemu_get_smbios_data17(int handle, int parent_handle, unsigned long *current)
-{
- struct smbios_type17 *t = (struct smbios_type17 *)*current;
- int len;
-
- memset(t, 0, sizeof(struct smbios_type17));
- t->type = SMBIOS_MEMORY_DEVICE;
- t->handle = handle;
- t->phys_memory_array_handle = parent_handle;
- t->length = sizeof(struct smbios_type17) - 2;
- t->size = qemu_get_memory_size() / 1024;
- t->data_width = 64;
- t->total_width = 64;
- t->form_factor = 9; /* DIMM */
- t->device_locator = smbios_add_string(t->eos, "Virtual");
- t->memory_type = 0x12; /* DDR */
- t->type_detail = 0x80; /* Synchronous */
- t->speed = 200;
- t->clock_speed = 200;
- t->manufacturer = smbios_add_string(t->eos, CONFIG_MAINBOARD_VENDOR);
- len = t->length + smbios_string_table_len(t->eos);
- *current += len;
- return len;
-}
-
-static int qemu_get_smbios_data(device_t dev, int *handle, unsigned long *current)
-{
- int len;
- len = qemu_get_smbios_data16(*handle, current);
- len += qemu_get_smbios_data17(*handle+1, *handle, current);
- *handle += 2;
- 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 = qemu_get_smbios_data,
-#endif
-};
-
-static void cpu_bus_init(device_t dev)
-{
- initialize_cpus(dev->link_list);
-}
-
-static unsigned int cpu_bus_scan(device_t bus, unsigned int max)
-{
- int max_cpus = fw_cfg_max_cpus();
- device_t cpu;
- int i;
-
- if (max_cpus < 0)
- return 0;
-
- /*
- * TODO: This only handles the simple "qemu -smp $nr" case
- * correctly. qemu also allows to specify the number of
- * cores, threads & sockets.
- */
- printk(BIOS_INFO, "QEMU: max_cpus is %d\n", max_cpus);
- for (i = 0; i < max_cpus; i++) {
- cpu = add_cpu_device(bus->link_list, i, 1);
- if (cpu)
- set_cpu_topology(cpu, 1, 0, i, 0);
- }
- return max_cpus;
-}
-
-static void cpu_bus_noop(device_t dev)
-{
-}
-
-static struct device_operations cpu_bus_ops = {
- .read_resources = cpu_bus_noop,
- .set_resources = cpu_bus_noop,
- .enable_resources = cpu_bus_noop,
- .init = cpu_bus_init,
- .scan_bus = cpu_bus_scan,
-};
-
-static void northbridge_enable(struct device *dev)
-{
- /* Set the operations if it is a special bus type */
- if (dev->path.type == DEVICE_PATH_DOMAIN) {
- dev->ops = &pci_domain_ops;
- pci_set_method(dev);
- }
- else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
- dev->ops = &cpu_bus_ops;
- }
-}
-
-struct chip_operations mainboard_emulation_qemu_x86_ops = {
- CHIP_NAME("QEMU Northbridge")
- .enable_dev = northbridge_enable,
-};