diff options
Diffstat (limited to 'src/northbridge/intel/i945')
| -rw-r--r-- | src/northbridge/intel/i945/northbridge.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c index 9a69823afa..9d6d0dfd47 100644 --- a/src/northbridge/intel/i945/northbridge.c +++ b/src/northbridge/intel/i945/northbridge.c @@ -73,16 +73,9 @@ static void add_fixed_resources(struct device *dev, int index) struct resource *resource; u32 pcie_config_base, pcie_config_size; - printk(BIOS_DEBUG, "Adding UMA memory area\n"); - resource = new_resource(dev, index); - resource->base = (resource_t) uma_memory_base; - resource->size = (resource_t) uma_memory_size; - resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE | - IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; - if (get_pcie_bar(&pcie_config_base, &pcie_config_size)) { printk(BIOS_DEBUG, "Adding PCIe config bar\n"); - resource = new_resource(dev, index+1); + resource = new_resource(dev, index++); resource->base = (resource_t) pcie_config_base; resource->size = (resource_t) pcie_config_size; resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE | @@ -99,7 +92,8 @@ static void pci_domain_set_resources(device_t dev) uint32_t pci_tolm; uint8_t tolud, reg8; uint16_t reg16; - unsigned long long tomk; + unsigned long long tomk, tomk_stolen; + uint64_t tseg_memory_base = 0, tseg_memory_size = 0; /* Can we find out how much memory we can use at most * this way? @@ -114,6 +108,7 @@ static void pci_domain_set_resources(device_t dev) printk(BIOS_SPEW, "Top of Low Used DRAM: 0x%08x\n", tolud << 24); tomk = tolud << 14; + tomk_stolen = tomk; /* Note: subtract IGD device and TSEG */ reg8 = pci_read_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), 0x9e); @@ -135,7 +130,11 @@ static void pci_domain_set_resources(device_t dev) } printk(BIOS_DEBUG, "%dM\n", tseg_size >> 10); - tomk -= tseg_size; + tomk_stolen -= tseg_size; + + /* For reserving TSEG memory in the memory map */ + tseg_memory_base = tomk_stolen * 1024ULL; + tseg_memory_size = tseg_size * 1024ULL; } reg16 = pci_read_config16(dev_find_slot(0, PCI_DEVFN(0, 0)), GGC); @@ -154,29 +153,32 @@ static void pci_domain_set_resources(device_t dev) } printk(BIOS_DEBUG, "%dM UMA\n", uma_size >> 10); - tomk -= uma_size; + tomk_stolen -= uma_size; /* For reserving UMA memory in the memory map */ - uma_memory_base = tomk * 1024ULL; + uma_memory_base = tomk_stolen * 1024ULL; uma_memory_size = uma_size * 1024ULL; } /* The following needs to be 2 lines, otherwise the second * number is always 0 */ - printk(BIOS_INFO, "Available memory: %dK", (uint32_t)tomk); - printk(BIOS_INFO, " (%dM)\n", (uint32_t)(tomk >> 10)); + printk(BIOS_INFO, "Available memory: %dK", (uint32_t)tomk_stolen); + printk(BIOS_INFO, " (%dM)\n", (uint32_t)(tomk_stolen >> 10)); /* Report the memory regions */ ram_resource(dev, 3, 0, 640); ram_resource(dev, 4, 768, (tomk - 768)); - add_fixed_resources(dev, 6); + uma_resource(dev, 5, uma_memory_base >> 10, uma_memory_size >> 10); + mmio_resource(dev, 6, tseg_memory_base >> 10, tseg_memory_size >> 10); + + add_fixed_resources(dev, 7); assign_resources(dev->link_list); #if CONFIG_WRITE_HIGH_TABLES /* Leave some space for ACPI, PIRQ and MP tables */ - high_tables_base = (tomk * 1024) - HIGH_MEMORY_SIZE; + high_tables_base = (tomk_stolen * 1024) - HIGH_MEMORY_SIZE; high_tables_size = HIGH_MEMORY_SIZE; #endif } |