printk_foo -> printk(BIOS_FOO, ...)
[coreboot.git] / src / cpu / amd / sc520 / sc520.c
index f535662797c2564de62095830601adeeb950bb56..3ab65c2ae1593aad27b4c59217b17013b50d625e 100644 (file)
@@ -1,3 +1,7 @@
+/*
+ * This file needs a major cleanup. Too much #if 0 code
+ */
+
 #include <console/console.h>
 #include <arch/io.h>
 #include <stdint.h>
@@ -24,16 +28,17 @@ udelay(int microseconds) {
         sc520_udelay(microseconds); 
 }
 /*
- * set up basic things ... PAR should NOT go here, as it might change with the mainboard. 
+ * set up basic things ... 
+ * PAR should NOT go here, as it might change with the mainboard. 
  */
 static void cpu_init(device_t dev) 
 {
   unsigned long *l = (unsigned long *) 0xfffef088;
   int i;
   for(i = 0; i < 16; i++, l++)
-    printk_err("Par%d: 0x%lx\n", i, *l);
+    printk(BIOS_ERR, "Par%d: 0x%lx\n", i, *l);
 
-  printk_spew("SC520 random fixup ...\n");
+  printk(BIOS_SPEW, "SC520 random fixup ...\n");
 }
 
 
@@ -44,22 +49,40 @@ static void cpu_init(device_t dev)
 void sc520_enable_resources(struct device *dev) {
        unsigned char command;
 
-       printk_spew("%s\n", __FUNCTION__);
+       printk(BIOS_SPEW, "%s\n", __func__);
         command = pci_read_config8(dev, PCI_COMMAND);
-        printk_spew("========>%s, command 0x%x\n", __FUNCTION__, command);
+        printk(BIOS_SPEW, "========>%s, command 0x%x\n", __func__, command);
         command |= PCI_COMMAND_MEMORY | PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
-        printk_spew("========>%s, command 0x%x\n", __FUNCTION__, command);
+        printk(BIOS_SPEW, "========>%s, command 0x%x\n", __func__, command);
         pci_write_config8(dev, PCI_COMMAND, command);
         command = pci_read_config8(dev, PCI_COMMAND);
-        printk_spew("========>%s, command 0x%x\n", __FUNCTION__, command);
+        printk(BIOS_SPEW, "========>%s, command 0x%x\n", __func__, command);
 /*
  */
 
 }
 
+static void sc520_read_resources(device_t dev)
+{
+       struct resource* res;
+
+       pci_dev_read_resources(dev);
+
+       res = new_resource(dev, 1);
+       res->base = 0x0UL;
+       res->size = 0x400UL;
+       res->limit = 0xffffUL;
+       res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+       res = new_resource(dev, 3); /* IOAPIC */
+       res->base = 0xfec00000;
+       res->size = 0x00001000;
+       res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
 
 static struct device_operations cpu_operations = {
-       .read_resources   = pci_dev_read_resources,
+       .read_resources   = sc520_read_resources,
        .set_resources    = pci_dev_set_resources,
        .enable_resources = sc520_enable_resources,
        .init             = cpu_init,
@@ -67,36 +90,17 @@ static struct device_operations cpu_operations = {
        .ops_pci          = 0,
 };
 
-static struct pci_driver cpu_driver __pci_driver = {
+static const struct pci_driver cpu_driver __pci_driver = {
        .ops = &cpu_operations,
        .vendor = PCI_VENDOR_ID_AMD,
        .device = 0x3000
 };
 
-
-
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
-        struct resource *resource;
-  printk_spew("%s\n", __FUNCTION__);
-        /* 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)
 {
         struct resource *resource;
-  printk_spew("%s sizek 0x%x\n", __FUNCTION__, sizek);
+  printk(BIOS_SPEW, "%s sizek 0x%x\n", __func__, sizek);
         if (!sizek) {
                 return;
         }
@@ -122,14 +126,14 @@ static uint32_t find_pci_tolm(struct bus *bus)
 {
        struct resource *min;
        uint32_t tolm;
-  printk_spew("%s\n", __FUNCTION__);
+  printk(BIOS_SPEW, "%s\n", __func__);
        min = 0;
        search_bus_resources(bus, IORESOURCE_MEM, IORESOURCE_MEM, tolm_test, &min);
        tolm = 0xffffffffUL;
        if (min && tolm > min->base) {
                tolm = min->base;
        }
-  printk_spew("%s returns 0x%x\n", __FUNCTION__, tolm);
+  printk(BIOS_SPEW, "%s returns 0x%x\n", __func__, tolm);
        return tolm;
 }
 
@@ -137,7 +141,7 @@ static void pci_domain_set_resources(device_t dev)
 {
        device_t mc_dev;
         uint32_t pci_tolm;
-  printk_spew("%s\n", __FUNCTION__);
+  printk(BIOS_SPEW, "%s\n", __func__);
         pci_tolm = find_pci_tolm(&dev->link[0]);
        mc_dev = dev->link[0].children;
        if (mc_dev) {
@@ -146,22 +150,22 @@ static void pci_domain_set_resources(device_t dev)
                // int i;
                int idx;
 #if 0
-               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)
                                rambits = reg;
                        if (reg < rambits)
-                               printk_err("ERROR! register 0x%x is not set!\n", 
+                               printk(BIOS_ERR, "ERROR! register 0x%x is not set!\n", 
                                        ramregs[i]);
                }
-               printk_debug("I would set ram size to 0x%x Kbytes\n", (rambits)*8*1024);
+               printk(BIOS_DEBUG, "I would set ram size to 0x%x Kbytes\n", (rambits)*8*1024);
                tomk = rambits*8*1024;
 #endif
                tomk = 32 * 1024;
@@ -179,45 +183,44 @@ 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)
-{
-  printk_spew("%s\n", __FUNCTION__);
-        max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
-        return max;
-}
-
-
 #if 0
 void sc520_enable_resources(device_t dev) {
 
-       printk_spew("%s\n", __FUNCTION__);
-       printk_spew("THIS IS FOR THE SC520 =============================\n");
+       printk(BIOS_SPEW, "%s\n", __func__);
+       printk(BIOS_SPEW, "THIS IS FOR THE SC520 =============================\n");
 
 /*
        command = pci_read_config8(dev, PCI_COMMAND);
-       printk_spew("%s, command 0x%x\n", __FUNCTION__, command);
+       printk(BIOS_SPEW, "%s, command 0x%x\n", __func__, command);
        command |= PCI_COMMAND_MEMORY;
-       printk_spew("%s, command 0x%x\n", __FUNCTION__, command);
+       printk(BIOS_SPEW, "%s, command 0x%x\n", __func__, command);
        pci_write_config8(dev, PCI_COMMAND, command);
        command = pci_read_config8(dev, PCI_COMMAND);
-       printk_spew("%s, command 0x%x\n", __FUNCTION__, command);
+       printk(BIOS_SPEW, "%s, command 0x%x\n", __func__, command);
  */
        enable_childrens_resources(dev);
-       printk_spew("%s\n", __FUNCTION__);
+       printk(BIOS_SPEW, "%s\n", __func__);
 }
 #endif
 
 static struct device_operations pci_domain_ops = {
         .read_resources   = pci_domain_read_resources,
         .set_resources    = pci_domain_set_resources,
-        .enable_resources = enable_resources,
+       /*
+        * If enable_resources is set to the generic enable_resources
+        * function the whole thing will hang in an endless loop on
+        * the ts5300. If this is really needed on another platform,
+        * something is conceptually wrong.
+        */
+        .enable_resources = 0, //enable_resources,
         .init             = 0,
         .scan_bus         = pci_domain_scan_bus,
-};  
+};
 
+#if 0
 static void cpu_bus_init(device_t dev)
 {
-  printk_spew("cpu_bus_init\n");
+  printk(BIOS_SPEW, "cpu_bus_init\n");
 }
 
 static void cpu_bus_noop(device_t dev)
@@ -231,22 +234,28 @@ static struct device_operations cpu_bus_ops = {
         .init             = cpu_bus_init,
         .scan_bus         = 0,
 };
+#endif
 
 static void enable_dev(struct device *dev)
 {
-  printk_spew("%s\n", __FUNCTION__);
+  printk(BIOS_SPEW, "%s\n", __func__);
         /* Set the operations if it is a special bus type */
         if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) {
                 dev->ops = &pci_domain_ops;
                pci_set_method(dev);
         }
+#if 0
+       /* This is never hit as none of the sc520 boards have
+        * an APIC cluster defined
+        */
         else if (dev->path.type == DEVICE_PATH_APIC_CLUSTER) {
                 dev->ops = &cpu_bus_ops;
         }
+#endif
 }
 
 
 struct chip_operations cpu_amd_sc520_ops = {
-       CHIP_NAME("AMD SC520")
+       CHIP_NAME("AMD Elan SC520 CPU")
        .enable_dev = enable_dev, 
 };