---

yaml
---
r: 190407
b: refs/heads/master
c: dbc9632
h: refs/heads/master
i:
  190405: 28488a7
  190403: 41fd935
  190399: 4a28363
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b4d0a038e0f856313ca26fd3872bc209a2e616ad
+refs/heads/master: dbc9632a8c25c6efcc1ca3f3a2177c855b6e053e

trunk/arch/powerpc/include/asm/page.h

@@ -108,8 +108,21 @@ extern phys_addr_t kernstart_addr;
 #define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)
 #define virt_addr_valid(kaddr)	pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
 
-#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET - MEMORY_START))
+/*
+ * On Book-E parts we need __va to parse the device tree and we can't
+ * determine MEMORY_START until then.  However we can determine PHYSICAL_START
+ * from information at hand (program counter, TLB lookup).
+ *
+ * On non-Book-E PPC64 PAGE_OFFSET and MEMORY_START are constants so use
+ * the other definitions for __va & __pa.
+ */
+#ifdef CONFIG_BOOKE
+#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) - PHYSICAL_START + KERNELBASE))
+#define __pa(x) ((unsigned long)(x) + PHYSICAL_START - KERNELBASE)
+#else
+#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) + PAGE_OFFSET - MEMORY_START))
 #define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + MEMORY_START)
+#endif
 
 /*
  * Unfortunately the PLT is in the BSS in the PPC32 ELF ABI,