diff options
author | Eric Biederman <ebiederm@xmission.com> | 2004-11-04 11:04:33 +0000 |
---|---|---|
committer | Eric Biederman <ebiederm@xmission.com> | 2004-11-04 11:04:33 +0000 |
commit | 018d8dd60f2cc0c82faac0ee2657daa163dd43e7 (patch) | |
tree | 528de120d262a9df05ce8b6119f593c85fa6b809 /src/northbridge/emulation/qemu-i386 | |
parent | 4403f6082372d069e3cabe0918d9af5f9c1dccf6 (diff) |
- Update abuild.sh so it will rebuild successfull builds
- Move pci_set_method out of hardwaremain.c
- Re-add debugging name field but only include the CONFIG_CHIP_NAME is
enabled. All instances are now wrapped in CHIP_NAME
- Many minor cleanups so most ports build.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1737 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge/emulation/qemu-i386')
-rw-r--r-- | src/northbridge/emulation/qemu-i386/northbridge.c | 122 |
1 files changed, 57 insertions, 65 deletions
diff --git a/src/northbridge/emulation/qemu-i386/northbridge.c b/src/northbridge/emulation/qemu-i386/northbridge.c index 09fa573090..0a8ed5c1d8 100644 --- a/src/northbridge/emulation/qemu-i386/northbridge.c +++ b/src/northbridge/emulation/qemu-i386/northbridge.c @@ -3,82 +3,75 @@ #include <stdint.h> #include <device/device.h> #include <device/pci.h> -#include <device/hypertransport.h> #include <stdlib.h> #include <string.h> #include <bitops.h> #include "chip.h" #include "northbridge.h" -void hard_reset(void) -{ - printk_err("Hard_RESET!!!\n"); -} - #define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM) static void pci_domain_read_resources(device_t dev) { - struct resource *resource; - unsigned reg; + struct resource *resource; - /* Initialize the system wide io space constraints */ - resource = new_resource(dev, 0); - resource->base = 0x400; - resource->limit = 0xffffUL; - resource->flags = IORESOURCE_IO; - compute_allocate_resource(&dev->link[0], resource, - IORESOURCE_IO, IORESOURCE_IO); + /* Initialize the system wide io space constraints */ + resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0)); + resource->limit = 0xffffUL; + resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; - /* Initialize the system wide memory resources constraints */ - resource = new_resource(dev, 1); - resource->limit = 0xffffffffULL; - resource->flags = IORESOURCE_MEM; - compute_allocate_resource(&dev->link[0], resource, - IORESOURCE_MEM, IORESOURCE_MEM); + /* Initialize the system wide memory resources constraints */ + resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0)); + resource->limit = 0xffffffffULL; + resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED; } static void ram_resource(device_t dev, unsigned long index, - unsigned long basek, unsigned long sizek) + unsigned long basek, unsigned long sizek) { - struct resource *resource; + struct resource *resource; + + if (!sizek) { + return; + } + resource = new_resource(dev, index); + resource->base = ((resource_t)basek) << 10; + resource->size = ((resource_t)sizek) << 10; + resource->flags = IORESOURCE_MEM | IORESOURCE_CACHEABLE | \ + IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; +} - if (!sizek) { - return; - } - resource = new_resource(dev, index); - resource->base = ((resource_t)basek) << 10; - resource->size = ((resource_t)sizek) << 10; - resource->flags = IORESOURCE_MEM | IORESOURCE_CACHEABLE | \ - IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; +static void tolm_test(void *gp, struct device *dev, struct resource *new) +{ + struct resource **best_p = gp; + struct resource *best; + best = *best_p; + if (!best || (best->base > new->base)) { + best = new; + } + *best_p = best; } +static uint32_t find_pci_tolm(struct bus *bus) +{ + struct resource *min; + uint32_t tolm; + min = 0; + search_bus_resources(bus, IORESOURCE_MEM, IORESOURCE_MEM, tolm_test, &min); + tolm = 0xffffffffUL; + if (min && tolm > min->base) { + tolm = min->base; + } + return tolm; +} static void pci_domain_set_resources(device_t dev) { - struct resource *resource, *last; device_t mc_dev; - uint32_t pci_tolm; + uint32_t pci_tolm; uint32_t idx; - pci_tolm = 0xffffffffUL; - last = &dev->resource[dev->resources]; - for(resource = &dev->resource[0]; resource < last; resource++) - { - compute_allocate_resource(&dev->link[0], resource, - BRIDGE_IO_MASK, resource->flags & BRIDGE_IO_MASK); - - resource->flags |= IORESOURCE_STORED; - report_resource_stored(dev, resource, ""); - - if ((resource->flags & IORESOURCE_MEM) && - (pci_tolm > resource->base)) - { - pci_tolm = resource->base; - } - } - - + pci_tolm = find_pci_tolm(&dev->link[0]); mc_dev = dev->link[0].children; if (mc_dev) { unsigned long tomk, tolmk; @@ -105,29 +98,28 @@ static void pci_domain_set_resources(device_t dev) static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max) { - max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max); - return max; + max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max); + return max; } static struct device_operations pci_domain_ops = { - .read_resources = pci_domain_read_resources, - .set_resources = pci_domain_set_resources, - .enable_resources = enable_childrens_resources, - .init = 0, - .scan_bus = pci_domain_scan_bus, + .read_resources = pci_domain_read_resources, + .set_resources = pci_domain_set_resources, + .enable_resources = enable_childrens_resources, + .init = 0, + .scan_bus = pci_domain_scan_bus, }; static void enable_dev(struct device *dev) { - struct device_path path; - - /* Set the operations if it is a special bus type */ - if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) { - dev->ops = &pci_domain_ops; - } + /* 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(); + } } struct chip_operations northbridge_emulation_qemu_i386_ops = { - // .name = "QEMU Northbridge", + CHIP_NAME("QEMU Northbridge") .enable_dev = enable_dev, }; |