3 files changed, 1 insertions, 17 deletions
diff --git a/arch/powerpc/include/asm/dma.h b/arch/powerpc/include/asm/dma.h
index f6813e919bb2..a5c6d83b5f60 100644
--- a/arch/powerpc/include/asm/dma.h
+++ b/arch/powerpc/include/asm/dma.h
@@ -16,10 +16,6 @@
  *
  * None of this really applies for Power Macintoshes.  There is
  * basically just enough here to get kernel/dma.c to compile.
- *
- * There may be some comments or restrictions made here which are
- * not valid for the PReP platform.  Take what you read
- * with a grain of salt.
  */
 
 #include <asm/io.h>
@@ -57,7 +53,6 @@
  *  - page registers for 5-7 don't use data bit 0, represent 128K pages
  *  - page registers for 0-3 use bit 0, represent 64K pages
  *
- * On PReP, DMA transfers are limited to the lower 16MB of _physical_ memory.
  * On CHRP, the W83C553F (and VLSI Tollgate?) support full 32 bit addressing.
  * Note that addresses loaded into registers must be _physical_ addresses,
  * not logical addresses (which may differ if paging is active).
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index f94ef4213e9d..dd15e5e37d6d 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -15,10 +15,6 @@
 extern int check_legacy_ioport(unsigned long base_port);
 #define I8042_DATA_REG	0x60
 #define FDC_BASE	0x3f0
-/* only relevant for PReP */
-#define _PIDXR		0x279
-#define _PNPWRP		0xa79
-#define PNPBIOS_BASE	0xf000
 
 #if defined(CONFIG_PPC64) && defined(CONFIG_PCI)
 extern struct pci_dev *isa_bridge_pcidev;
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 7ff9eaa3ea6c..0a4cc5d649e1 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -40,7 +40,7 @@
  * -- BenH.
  */
 
-/* PREP sub-platform types see residual.h for these */
+/* PREP sub-platform types. Unused */
 #define _PREP_Motorola	0x01	/* motorola prep */
 #define _PREP_Firm	0x02	/* firmworks prep */
 #define _PREP_IBM	0x00	/* ibm prep */
@@ -56,13 +56,6 @@
 
 extern int _chrp_type;
 
-#ifdef CONFIG_PPC_PREP
-
-/* what kind of prep workstation we are */
-extern int _prep_type;
-
-#endif /* CONFIG_PPC_PREP */
-
 #endif /* defined(__KERNEL__) && defined(CONFIG_PPC32) */
 
 /*