- First stab at getting the ppc ports building and working.

- The sandpointx3+altimus has been consolidated into one directory for now.
- Added support for having different versions of the pci access functions
  on a per bus basis if needed.
  Hopefully I have not broken something inadvertently.


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1786 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

2 files changed, 61 insertions, 4 deletions

diff --git a/src/arch/ppc/include/arch/cpu.h b/src/arch/ppc/include/arch/cpu.h
index 48293b2425..e0ed4ff66a 100644
--- a/src/arch/ppc/include/arch/cpu.h
+++ b/src/arch/ppc/include/arch/cpu.h
@@ -1,3 +1,60 @@
+#ifndef ARCH_CPU_H
+#define ARCH_CPU_H
 /*
  * this should probably integrate code from src/arch/ppc/lib/cpuid.c
  */ 
+
+struct cpu_device_id {
+	unsigned pvr;
+};
+
+struct cpu_driver {
+	struct device_operations *ops;
+	struct cpu_device_id *id_table;
+};
+
+#ifndef STACK_SIZE
+#error STACK_SIZE not defined
+#endif
+
+/* The basic logic comes from the Linux kernel.
+ * The invariant is that (1 << 31 - STACK_BITS) == STACK_SIZE
+ * I wish there was simpler way to support multiple stack sizes.
+ * Oh well.
+ */
+#if STACK_SIZE == 4096
+#define STACK_BITS "19"
+#elif STACK_SIZE == 8192
+#define STACK_BITS "18"
+#elif STACK_SIZE == 16384
+#define STACK_BITS "17"
+#elif STACK_SIZE == 32768
+#define STACK_BITS "16"
+#elif STACK_SIZE == 65536
+#define STACK_BITS "15"
+#else
+#error Unimplemented stack size
+#endif
+
+
+struct cpu_info {
+	struct device *cpu;
+	unsigned long index;
+};
+
+
+static inline struct cpu_info *cpu_info(void)
+{
+	struct cpu_info *ci;
+	__asm__("rlwinm %0,1,0,0," STACK_BITS : "=r"(ci));
+	return ci;
+}
+
+static inline unsigned long cpu_index(void)
+{
+	struct cpu_info *ci;
+	ci = cpu_info();
+	return ci->index;
+}
+
+#endif /* ARCH_CPU_H */
diff --git a/src/arch/ppc/include/arch/pci_ops.h b/src/arch/ppc/include/arch/pci_ops.h
index 6f9c3af3af..95f8941e42 100644
--- a/src/arch/ppc/include/arch/pci_ops.h
+++ b/src/arch/ppc/include/arch/pci_ops.h
@@ -1,6 +1,6 @@
-#ifndef ARCH_I386_PCI_OPS_H
-#define ARCH_I386_PCI_OPS_H
+#ifndef ARCH_PPC_PCI_OPS_H
+#define ARCH_PPC_PCI_OPS_H
 
-void pci_set_method(void);
+const struct pci_bus_operations pci_ppc_conf1;
 
-#endif /* ARCH_I386_PCI_OPS_H */
+#endif /* ARCH_PPC_PCI_OPS_H */