Move the v3 resource allocator to v2.
[coreboot.git] / src / northbridge / via / vt8601 / northbridge.c
index b578a975e48b33dc01009a8b109bce5a50166fbe..8fb82f0023a641998479c9f3cc6067c05a7698a7 100644 (file)
@@ -5,6 +5,7 @@
 #include <device/pci.h>
 #include <device/pci_ids.h>
 #include <device/hypertransport.h>
+#include <cpu/cpu.h>
 #include <stdlib.h>
 #include <string.h>
 #include <bitops.h>
@@ -29,8 +30,6 @@ static void northbridge_init(device_t dev)
        pci_write_config8(dev, 0x76, 0x52);
 }
 
-
-
 static struct device_operations northbridge_operations = {
        .read_resources   = pci_dev_read_resources,
        .set_resources    = pci_dev_set_resources,
@@ -40,31 +39,12 @@ static struct device_operations northbridge_operations = {
        .ops_pci          = 0,
 };
 
-static struct pci_driver northbridge_driver __pci_driver = {
+static const struct pci_driver northbridge_driver __pci_driver = {
        .ops = &northbridge_operations,
        .vendor = PCI_VENDOR_ID_VIA,
        .device = 0x0601, /* 0x8601 is the AGP bridge? */
 };
 
-
-
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
-        struct resource *resource;
-
-        /* 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, 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)
 {
@@ -104,6 +84,12 @@ static uint32_t find_pci_tolm(struct bus *bus)
        return tolm;
 }
 
+#if CONFIG_HAVE_HIGH_TABLES==1
+/* maximum size of high tables in KB */
+#define HIGH_TABLES_SIZE 64
+extern uint64_t high_tables_base, high_tables_size;
+#endif
+
 static void pci_domain_set_resources(device_t dev)
 {
        static const uint8_t ramregs[] = {
@@ -119,13 +105,13 @@ static void pci_domain_set_resources(device_t dev)
                unsigned char rambits;
                int i, idx;
 
-               for(rambits = 0, i = 0; i < sizeof(ramregs)/sizeof(ramregs[0]); i++) {
+               for(rambits = 0, i = 0; i < ARRAY_SIZE(ramregs); i++) {
                        unsigned char reg;
                        reg = pci_read_config8(mc_dev, ramregs[i]);
                        /* these are ENDING addresses, not sizes. 
                         * if there is memory in this slot, then reg will be > rambits.
                         * So we just take the max, that gives us total. 
-                        * We take the highest one to cover for once and future linuxbios
+                        * We take the highest one to cover for once and future coreboot
                         * bugs. We warn about bugs.
                         */
                        if (reg > rambits)
@@ -143,6 +129,13 @@ static void pci_domain_set_resources(device_t dev)
                         */
                        tolmk = tomk;
                }
+
+#if CONFIG_HAVE_HIGH_TABLES == 1
+               high_tables_base = (tolmk - HIGH_TABLES_SIZE) * 1024;
+               high_tables_size = HIGH_TABLES_SIZE* 1024;
+               printk_debug("tom: %lx, high_tables_base: %llx, high_tables_size: %llx\n", tomk*1024, high_tables_base, high_tables_size);
+#endif
+
                /* Report the memory regions */
                idx = 10;
                ram_resource(dev, idx++, 0, tolmk);
@@ -150,12 +143,6 @@ static void pci_domain_set_resources(device_t dev)
        assign_resources(&dev->link[0]);
 }
 
-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;
-}
-
 static struct device_operations pci_domain_ops = {
         .read_resources   = pci_domain_read_resources,
         .set_resources    = pci_domain_set_resources,
@@ -194,6 +181,6 @@ static void enable_dev(struct device *dev)
 }
 
 struct chip_operations northbridge_via_vt8601_ops = {
-       CHIP_NAME("VIA vt8601 Northbridge")
+       CHIP_NAME("VIA VT8601 Northbridge")
        .enable_dev = enable_dev, 
 };