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- pci_device.c fixes for generic pci bridges to zero the unused portion of bridge resources 

- coherent_ht.c remove dead idle loop.
- raminit.c Enable a 64MB mmio window just below 4GB


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@967 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Eric Biederman 2003-07-17 02:15:46 +00:00
parent 9b45b04d23
commit 5fb929e6e3
3 changed files with 7 additions and 7 deletions
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4
src/devices/pci_device.c
View File

@ -303,6 +303,8 @@ static void pci_set_resource(struct device *dev, struct resource *resource)
IORESOURCE_IO, IORESOURCE_IO);
pci_write_config8(dev, PCI_IO_BASE, base >> 8);
pci_write_config8(dev, PCI_IO_LIMIT, limit >> 8);
pci_write_config16(dev, PCI_IO_BASE_UPPER16, 0);
pci_write_config16(dev, PCI_IO_LIMIT_UPPER16, 0);
}
else if (resource->index == PCI_MEMORY_BASE) {
/* set the memory range
@ -322,6 +324,8 @@ static void pci_set_resource(struct device *dev, struct resource *resource)
IORESOURCE_MEM | IORESOURCE_PREFETCH);
pci_write_config16(dev, PCI_PREF_MEMORY_BASE, base >> 16);
pci_write_config16(dev, PCI_PREF_MEMORY_LIMIT, limit >> 16);
pci_write_config32(dev, PCI_PREF_BASE_UPPER32, 0);
pci_write_config32(dev, PCI_PREF_LIMIT_UPPER32, 0);
}
else {
printk_err("ERROR: invalid resource->index %x\n",

6
src/northbridge/amd/amdk8/coherent_ht.c
View File

@ -402,7 +402,7 @@ static void disable_probes(void)
print_debug("Disabling read/write/fill probes for UP... ");
val=pci_read_config32(NODE_HT(0), 0x68);
val |= 0x0000040f;
val |= (1<<10)|(1<<9)|(1<<8)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(1 << 0);
pci_write_config32(NODE_HT(0), 0x68, val);
print_debug("done.\r\n");
@ -475,7 +475,6 @@ static bool check_connection(u8 src, u8 dest, u8 link)
{
/* this function does 2 things:
* 1) detect whether the coherent HT link is connected.
* After this step follows a small idle loop.
* 2) verify that the coherent hypertransport link
* is established and actually working by reading the
* remote node's vendor/device id
@ -492,9 +491,6 @@ static bool check_connection(u8 src, u8 dest, u8 link)
if ( (val&0x17) != 0x03)
return 0;
/* idle loop to make sure the link is established */
for (val=0;val<16;val++);
/* 2) */
val=pci_read_config32(NODE_HT(dest),0);
if(val != 0x11001022)

4
src/northbridge/amd/amdk8/raminit.c
View File

@ -315,7 +315,7 @@ static void setup_default_resource_map(void)
PCI_ADDR(0, 0x18, 1, 0xA4), 0x00000048, 0x00000000,
PCI_ADDR(0, 0x18, 1, 0xAC), 0x00000048, 0x00000000,
PCI_ADDR(0, 0x18, 1, 0xB4), 0x00000048, 0x00000000,
PCI_ADDR(0, 0x18, 1, 0xBC), 0x00000048, 0x00000000,
PCI_ADDR(0, 0x18, 1, 0xBC), 0x00000048, 0x00ffff00,
/* Memory-Mapped I/O Base i Registers
* F1:0x80 i = 0
@ -350,7 +350,7 @@ static void setup_default_resource_map(void)
PCI_ADDR(0, 0x18, 1, 0xA0), 0x000000f0, 0x00000000,
PCI_ADDR(0, 0x18, 1, 0xA8), 0x000000f0, 0x00000000,
PCI_ADDR(0, 0x18, 1, 0xB0), 0x000000f0, 0x00000000,
PCI_ADDR(0, 0x18, 1, 0xB8), 0x000000f0, 0x00000000,
PCI_ADDR(0, 0x18, 1, 0xB8), 0x000000f0, 0x00fc0003,
/* PCI I/O Limit i Registers
* F1:0xC4 i = 0