diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/northbridge/amd/gx1/northbridge.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/northbridge/amd/gx1/northbridge.c b/src/northbridge/amd/gx1/northbridge.c index 0966bf83ad..1101daa539 100644 --- a/src/northbridge/amd/gx1/northbridge.c +++ b/src/northbridge/amd/gx1/northbridge.c @@ -10,6 +10,7 @@ #include "chip.h" #include "northbridge.h" #include <cpu/amd/gx1def.h> +#include <cpu/x86/cache.h> #define NORTHBRIDGE_FILE "northbridge.c" /* @@ -24,9 +25,18 @@ static void optimize_xbus(device_t dev) pci_write_config8(dev, 0x44, 0x00); } +/** + * Enables memory from 0xC0000 up to 0xFFFFF. + * So this region is read/write and cache able + * + * FIXME: What about PCI master access into + * this region? + **/ + static void enable_shadow(device_t dev) { - + writel(0x77777777,GX_BASE+BC_XMAP_2); + writel(0x77777777,GX_BASE+BC_XMAP_3); } static void northbridge_init(device_t dev) @@ -35,6 +45,8 @@ static void northbridge_init(device_t dev) optimize_xbus(dev); enable_shadow(dev); + printk_spew("Calling enable_cache()\n"); + enable_cache(); } @@ -180,7 +192,8 @@ static struct device_operations pci_domain_ops = { static void cpu_bus_init(device_t dev) { - initialize_cpus(&dev->link[0]); + printk_spew("%s:%s()\n", NORTHBRIDGE_FILE, __FUNCTION__); + initialize_cpus(&dev->link[0]); } static void cpu_bus_noop(device_t dev) @@ -197,14 +210,19 @@ static struct device_operations cpu_bus_ops = { static void enable_dev(struct device *dev) { + printk_spew("%s:%s()\n", NORTHBRIDGE_FILE, __FUNCTION__); /* Set the operations if it is a special bus type */ if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) { + printk_spew("DEVICE_PATH_PCI_DOMAIN\n"); dev->ops = &pci_domain_ops; pci_set_method(dev); } else if (dev->path.type == DEVICE_PATH_APIC_CLUSTER) { + printk_spew("DEVICE_PATH_APIC_CLUSTER\n"); dev->ops = &cpu_bus_ops; - } + } else { + printk_spew("device path type %d\n",dev->path.type); + } } struct chip_operations northbridge_amd_gx1_ops = { |