diff options
| -rw-r--r-- | src/northbridge/amd/agesa/family16kb/northbridge.c | 226 |
1 files changed, 1 insertions, 225 deletions
diff --git a/src/northbridge/amd/agesa/family16kb/northbridge.c b/src/northbridge/amd/agesa/family16kb/northbridge.c index 9943e34d5f..250c49105a 100644 --- a/src/northbridge/amd/agesa/family16kb/northbridge.c +++ b/src/northbridge/amd/agesa/family16kb/northbridge.c @@ -32,33 +32,6 @@ static struct device *__f2_dev[MAX_NODE_NUMS]; static struct device *__f4_dev[MAX_NODE_NUMS]; static unsigned int fx_devs = 0; -static void set_io_addr_reg(struct device *dev, u32 nodeid, u32 linkn, u32 reg, - u32 io_min, u32 io_max) -{ - u32 i; - u32 tempreg; - /* io range allocation */ - tempreg = (nodeid & 0xf) | ((nodeid & 0x30) << (8 - 4)) | (linkn << 4) | ((io_max & 0xf0) << (12 - 4)); //limit - for (i = 0; i < node_nums; i++) - pci_write_config32(__f1_dev[i], reg + 4, tempreg); - tempreg = 3 /*| (3 << 4)*/ | ((io_min & 0xf0) << (12 - 4)); //base :ISA and VGA ? - for (i = 0; i < node_nums; i++) - pci_write_config32(__f1_dev[i], reg, tempreg); -} - -static void set_mmio_addr_reg(u32 nodeid, u32 linkn, u32 reg, u32 index, u32 mmio_min, u32 mmio_max, u32 nodes) -{ - u32 i; - u32 tempreg; - /* io range allocation */ - tempreg = (nodeid & 0xf) | (linkn << 4) | (mmio_max & 0xffffff00); //limit - for (i = 0; i < nodes; i++) - pci_write_config32(__f1_dev[i], reg + 4, tempreg); - tempreg = 3 | (nodeid & 0x30) | (mmio_min & 0xffffff00); - for (i = 0; i < node_nums; i++) - pci_write_config32(__f1_dev[i], reg, tempreg); -} - static struct device *get_node_pci(u32 nodeid, u32 fn) { return pcidev_on_root(DEV_CDB + nodeid, fn); @@ -147,200 +120,16 @@ static void set_vga_enable_reg(u32 nodeid, u32 linkn) } -/** - * @return - * @retval 2 resource does not exist, usable - * @retval 0 resource exists, not usable - * @retval 1 resource exist, resource has been allocated before - */ -static int reg_useable(unsigned int reg, struct device *goal_dev, - unsigned int goal_nodeid, unsigned int goal_link) -{ - struct resource *res; - unsigned int nodeid, link = 0; - int result; - res = 0; - for (nodeid = 0; !res && (nodeid < fx_devs); nodeid++) { - struct device *dev; - dev = __f0_dev[nodeid]; - if (!dev) - continue; - for (link = 0; !res && (link < 8); link++) { - res = probe_resource(dev, IOINDEX(0x1000 + reg, link)); - } - } - result = 2; - if (res) { - result = 0; - if ((goal_link == (link - 1)) && - (goal_nodeid == (nodeid - 1)) && - (res->flags <= 1)) { - result = 1; - } - } - return result; -} - -static struct resource *amdfam16_find_iopair(struct device *dev, - unsigned int nodeid, unsigned int link) -{ - struct resource *resource; - u32 free_reg, reg; - resource = 0; - free_reg = 0; - for (reg = 0xc0; reg <= 0xd8; reg += 0x8) { - int result; - result = reg_useable(reg, dev, nodeid, link); - if (result == 1) { - /* I have been allocated this one */ - break; - } - else if (result > 1) { - /* I have a free register pair */ - free_reg = reg; - } - } - if (reg > 0xd8) { - reg = free_reg; // if no free, the free_reg still be 0 - } - - resource = new_resource(dev, IOINDEX(0x1000 + reg, link)); - - return resource; -} - -static struct resource *amdfam16_find_mempair(struct device *dev, u32 nodeid, u32 link) -{ - struct resource *resource; - u32 free_reg, reg; - resource = 0; - free_reg = 0; - for (reg = 0x80; reg <= 0xb8; reg += 0x8) { - int result; - result = reg_useable(reg, dev, nodeid, link); - if (result == 1) { - /* I have been allocated this one */ - break; - } - else if (result > 1) { - /* I have a free register pair */ - free_reg = reg; - } - } - if (reg > 0xb8) { - reg = free_reg; - } - - resource = new_resource(dev, IOINDEX(0x1000 + reg, link)); - return resource; -} - -static void amdfam16_link_read_bases(struct device *dev, u32 nodeid, u32 link) -{ - struct resource *resource; - - /* Initialize the io space constraints on the current bus */ - resource = amdfam16_find_iopair(dev, nodeid, link); - if (resource) { - u32 align; - align = log2(HT_IO_HOST_ALIGN); - resource->base = 0; - resource->size = 0; - resource->align = align; - resource->gran = align; - resource->limit = 0xffffUL; - resource->flags = IORESOURCE_IO | IORESOURCE_BRIDGE; - } - - /* Initialize the prefetchable memory constraints on the current bus */ - resource = amdfam16_find_mempair(dev, nodeid, link); - if (resource) { - resource->base = 0; - resource->size = 0; - resource->align = log2(HT_MEM_HOST_ALIGN); - resource->gran = log2(HT_MEM_HOST_ALIGN); - resource->limit = 0xffffffffffULL; - resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH; - resource->flags |= IORESOURCE_BRIDGE; - } - - /* Initialize the memory constraints on the current bus */ - resource = amdfam16_find_mempair(dev, nodeid, link); - if (resource) { - resource->base = 0; - resource->size = 0; - resource->align = log2(HT_MEM_HOST_ALIGN); - resource->gran = log2(HT_MEM_HOST_ALIGN); - resource->limit = 0xffffffffffULL; - resource->flags = IORESOURCE_MEM | IORESOURCE_BRIDGE; - } - -} - static void read_resources(struct device *dev) { - u32 nodeid; - struct bus *link; - - nodeid = amdfam16_nodeid(dev); - for (link = dev->link_list; link; link = link->next) { - if (link->children) { - amdfam16_link_read_bases(dev, nodeid, link->link_num); - } - } - /* * This MMCONF resource must be reserved in the PCI_DOMAIN. * It is not honored by the coreboot resource allocator if it is in * the APIC_CLUSTER. */ mmconf_resource(dev, MMIO_CONF_BASE); -} - -static void set_resource(struct device *dev, struct resource *resource, u32 nodeid) -{ - resource_t rbase, rend; - unsigned int reg, link_num; - char buf[50]; - - /* Make certain the resource has actually been set */ - if (!(resource->flags & IORESOURCE_ASSIGNED)) { - return; - } - - /* If I have already stored this resource don't worry about it */ - if (resource->flags & IORESOURCE_STORED) { - return; - } - - /* Only handle PCI memory and IO resources */ - if (!(resource->flags & (IORESOURCE_MEM | IORESOURCE_IO))) - return; - - /* Ensure I am actually looking at a resource of function 1 */ - if ((resource->index & 0xffff) < 0x1000) { - return; - } - /* Get the base address */ - rbase = resource->base; - /* Get the limit (rounded up) */ - rend = resource_end(resource); - - /* Get the register and link */ - reg = resource->index & 0xfff; // 4k - link_num = IOINDEX_LINK(resource->index); - - if (resource->flags & IORESOURCE_IO) { - set_io_addr_reg(dev, nodeid, link_num, reg, rbase >> 8, rend >> 8); - } - else if (resource->flags & IORESOURCE_MEM) { - set_mmio_addr_reg(nodeid, link_num, reg, (resource->index >> 24), rbase >> 8, rend >> 8, node_nums);// [39:8] - } - resource->flags |= IORESOURCE_STORED; - snprintf(buf, sizeof(buf), " <node %x link %x>", - nodeid, link_num); - report_resource_stored(dev, resource, buf); + /* There should be no BAR. */ } /** @@ -379,24 +168,11 @@ static void create_vga_resource(struct device *dev, unsigned int nodeid) static void set_resources(struct device *dev) { unsigned int nodeid; - struct bus *bus; - struct resource *res; /* Find the nodeid */ nodeid = amdfam16_nodeid(dev); create_vga_resource(dev, nodeid); //TODO: do we need this? - - /* Set each resource we have found */ - for (res = dev->resource_list; res; res = res->next) { - set_resource(dev, res, nodeid); - } - - for (bus = dev->link_list; bus; bus = bus->next) { - if (bus->children) { - assign_resources(bus); - } - } } static unsigned long acpi_fill_hest(acpi_hest_t *hest) |