ARM: l2c: realview: improve commentry about the L2 cache requirements

[linux-2.6-block.git] / arch / arm / mach-realview / realview_pb11mp.c

diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index f4b0962578feb94dd653033620bfed0fcfddeaac..101deaf2630bd155e2ac1f747ab51c154d034aef 100644 (file)
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -337,8 +337,13 @@ static void __init realview_pb11mp_init(void)
        int i;
 
 #ifdef CONFIG_CACHE_L2X0
-       /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
-        * Bits:  .... ...0 0111 1001 0000 .... .... .... */
+       /*
+        * The PL220 needs to be manually configured as the hardware
+        * doesn't report the correct sizes.
+        * 1MB (128KB/way), 8-way associativity, event monitor and
+        * parity enabled, ignore share bit, no force write allocate
+        * Bits:  .... ...0 0111 1001 0000 .... .... ....
+        */
        l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
 #endif