diff options
author | Gerd Hoffmann <kraxel@redhat.com> | 2013-06-07 15:46:23 +0200 |
---|---|---|
committer | Ronald G. Minnich <rminnich@gmail.com> | 2013-06-14 18:19:26 +0200 |
commit | 00cc7f4355ca1bdd621d4618f24f3336b29463cb (patch) | |
tree | 4dbd332fef5a39b55fb95d424e8a5e712ff48ed5 /src/mainboard/emulation/qemu-x86/northbridge.c | |
parent | e49679d5a1e6a6225980a9ae8455fef47e56ab12 (diff) | |
download | coreboot-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.c | 191 |
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, -}; |