All the values should stay untouched or be set automatically by the resource
[coreboot.git] / src / drivers / dec / 21143 / 21143.c
index 7ca6f12078ee71ed1bb2afc0cb683e9ac2f76ca5..c89d4f08de480b42b3c0577dc9aedba7fea7276e 100644 (file)
 #include <device/pci_ids.h>
 #include <console/console.h>
 
-/**
- * The following should be set in the mainboard-specific Kconfig file.
- */
-#if (!defined(CONFIG_DEC21143_CACHE_LINE_SIZE) || \
-     !defined(CONFIG_DEC21143_EXPANSION_ROM_BASE_ADDRESS) || \
-     !defined(CONFIG_DEC21143_COMMAND_AND_STATUS_CONFIGURATION))
-#error "you must supply these values in your mainboard-specific Kconfig file"
-#endif
-
-/* CONFIG_DEC21143_CACHE_LINE_SIZE try 0x00000000 if unsure */
-/* CONFIG_DEC21143_EXPANSION_ROM_BASE_ADDRESS try 0x00000000 if unsure */
-/* CONFIG_DEC21143_COMMAND_AND_STATUS_CONFIGURATION try 0x02800107 or 0x02800007 if unsure */
-
-/**
- * This driver takes the values from Kconfig and loads them in the registers.
- */
 static void dec_21143_enable(device_t dev)
 {
        printk(BIOS_DEBUG, "Initializing DECchip 21143\n");
 
+       // The resource allocator should do this. If not, it needs to be fixed
+       // differently.
+#if 0 
        /* Command and status configuration (offset 0x04) */
-       pci_write_config32(dev, 0x04,
-                          CONFIG_DEC21143_COMMAND_AND_STATUS_CONFIGURATION);
+       pci_write_config32(dev, 0x04, 0x02800107);
        printk(BIOS_DEBUG, "0x04 = %08x (07 01 80 02)\n",
               pci_read_config32(dev, 0x04));
 
        /* Cache line size (offset 0x0C) */
-       pci_write_config8(dev, 0x0C, CONFIG_DEC21143_CACHE_LINE_SIZE);
-       printk(BIOS_DEBUG, "0x0c = %08x (00 80 00 00)\n",
-              pci_read_config32(dev, 0x0C));
-
-       /* Expansion ROM base address (offset 0x30) */
-       pci_write_config32(dev, 0x30,
-                          CONFIG_DEC21143_EXPANSION_ROM_BASE_ADDRESS);
-       printk(BIOS_DEBUG, "0x30 = %08x (0x00000000)\n",
-              pci_read_config32(dev, 0x30));
+       pci_write_config8(dev, 0x0C, 0x00);
+       printk(BIOS_DEBUG, "0x0c = %08x (00)\n",
+              pci_read_config8(dev, 0x0C));
+#endif
 }
 
 static struct device_operations dec_21143_ops = {
@@ -73,5 +54,5 @@ static struct device_operations dec_21143_ops = {
 static const struct pci_driver dec_21143_driver __pci_driver = {
        .ops    = &dec_21143_ops,
        .vendor = PCI_VENDOR_ID_DEC,
-       .device = PCI_DEVICE_ID_DEC_21142,
+       .device = PCI_DEVICE_ID_DEC_21142, // FIXME wrong ID?
 };