Merge: Add support for AMCC 440SPe CPU based eval board (Yucca).

[oweals/u-boot.git] / cpu / bf533 / flush.S

diff --git a/cpu/bf533/flush.S b/cpu/bf533/flush.S
index 1f9ec9899e57243fade85c70342cfd4149fbc424..9fbdefc9db41cb675d3bafd7b089da2e1ef587df 100644 (file)
--- a/cpu/bf533/flush.S
+++ b/cpu/bf533/flush.S
@@ -60,7 +60,7 @@ ENTRY(icplb_flush)
        [--SP] = LC1;
        [--SP] = LT1;
        [--SP] = LB1;
-       
+
        /* If it's a 1K or 4K page, then it's quickest to
         * just systematically flush all the addresses in
         * the page, regardless of whether they're in the
@@ -90,7 +90,7 @@ ENTRY(icplb_flush)
        R4 = EXTRACT(R0, R3.L) (Z);     /* Extract bits*/
        R3.H = R4.L << 0 ;              /* Save in extraction pattern for later deposit.*/
 
-       
+
        /* So:
         * R0 = Page start
         * R1 = Page length (actually, offset into size/prefix tables)
@@ -101,7 +101,7 @@ ENTRY(icplb_flush)
         * sub-bank, looking for dirty, valid tags that match our
         * address prefix.
         */
-       
+
        P5.L = (ITEST_COMMAND & 0xFFFF);
        P5.H = (ITEST_COMMAND >> 16);
        P4.L = (ITEST_DATA0 & 0xFFFF);
@@ -119,7 +119,7 @@ ENTRY(icplb_flush)
         * fetching tags, so we only have to set Set, Bank,
         * Sub-bank and Way.
         */
-       
+
        P2 = 4;
        LSETUP (ifs1, ife1) LC1 = P2;
 ifs1:  P0 = 32;                /* iterate over all sets*/
@@ -142,7 +142,7 @@ ifs0:       R6 = R5 << 5;           /* Combine set*/
        IF !CC JUMP ifskip;     /* Skip it if it doesn't match.*/
 
        /* Tag address matches against page, so this is an entry
-        * we must flush. 
+        * we must flush.
         */
 
        R7 >>= 10;              /* Mask off the non-address bits*/
@@ -181,11 +181,11 @@ iflush_whole_page:
        IFLUSH [P0++];          /* because CSYNC can't end loops.*/
        LSETUP (isall, ieall) LC0 = P1;
 isall:IFLUSH [P0++];
-ieall: NOP;    
+ieall: NOP;
        SSYNC;
        JUMP ifinished;
 
-/* This is an external function being called by the user 
+/* This is an external function being called by the user
  * application through __flush_cache_all. Currently this function
  * serves the purpose of flushing all the pending writes in
  * in the data cache.
@@ -222,7 +222,7 @@ skip:       R6 += -1;
 
 /* This is an internal function to flush all pending
  * writes in the cache associated with a particular DCPLB.
- * 
+ *
  * R0 -  page's start address
  * R1 -  CPLB's data field.
  */
@@ -236,7 +236,7 @@ ENTRY(dcplb_flush)
        [--SP] = LC1;
        [--SP] = LT1;
        [--SP] = LB1;
-       
+
        /* If it's a 1K or 4K page, then it's quickest to
         * just systematically flush all the addresses in
         * the page, regardless of whether they're in the
@@ -250,9 +250,9 @@ ENTRY(dcplb_flush)
 
        /* We're only interested in the page's size, so extract
         * this from the CPLB (bits 17:16), and scale to give an
-        * offset into the page_size and page_prefix tables.    
+        * offset into the page_size and page_prefix tables.
         */
-               
+
        R1 <<= 14;
        R1 >>= 30;
        R1 <<= 2;
@@ -260,9 +260,9 @@ ENTRY(dcplb_flush)
        /* The page could be mapped into Bank A or Bank B, depending
         * on (a) whether both banks are configured as cache, and
         * (b) on whether address bit A[x] is set. x is determined
-        * by DCBS in DMEM_CONTROL              
+        * by DCBS in DMEM_CONTROL
         */
-       
+
        R2 = 0;                 /* Default to Bank A (Bank B would be 1)*/
 
        P0.L = (DMEM_CONTROL & 0xFFFF);
@@ -303,7 +303,7 @@ bank_chosen:
         * sub-bank, looking for dirty, valid tags that match our
         * address prefix.
         */
-       
+
        P5.L = (DTEST_COMMAND & 0xFFFF);
        P5.H = (DTEST_COMMAND >> 16);
        P4.L = (DTEST_DATA0 & 0xFFFF);
@@ -322,7 +322,7 @@ bank_chosen:
         * fetching tags, so we only have to set Set, Bank,
         * Sub-bank and Way.
         */
-       
+
        P2 = 2;
        LSETUP (fs1, fe1) LC1 = P2;
 fs1:   P0 = 64;                /* iterate over all sets*/