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[PATCH] ppc32: MPC834x BCSR_SIZE too small for use in a BAT.

The call to io_block_mapping was creating an invalid BAT entry because the
value of BCSR_SIZE (32K) is too small to be used in a BAT (128K min).  This
change removes the io_block_mapping call since these registers can easily
be mapped using ioremap at the point of use.

Signed-off-by: Randy Vinson <rvinson@mvista.com>
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Kumar Gala 20 ani în urmă
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ff945023c6

+ 0 - 1
arch/ppc/platforms/83xx/mpc834x_sys.c

@@ -127,7 +127,6 @@ mpc834x_sys_map_io(void)
 {
 	/* we steal the lowest ioremap addr for virt space */
 	io_block_mapping(VIRT_IMMRBAR, immrbar, 1024*1024, _PAGE_IO);
-	io_block_mapping(BCSR_VIRT_ADDR, BCSR_PHYS_ADDR, BCSR_SIZE, _PAGE_IO);
 }
 
 int

+ 0 - 1
arch/ppc/platforms/83xx/mpc834x_sys.h

@@ -26,7 +26,6 @@
 #define VIRT_IMMRBAR		((uint)0xfe000000)
 
 #define BCSR_PHYS_ADDR		((uint)0xf8000000)
-#define BCSR_VIRT_ADDR		((uint)0xfe100000)
 #define BCSR_SIZE		((uint)(32 * 1024))
 
 #ifdef CONFIG_PCI