Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / arch / microblaze / kernel / head.S

diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index 30916193fcc75c378d819a0ab48894ce6c4acd98..da6a5f5dc76624797af0dd60a577f8689637f5e1 100644 (file)
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -51,6 +51,12 @@ swapper_pg_dir:
 
        .text
 ENTRY(_start)
+#if CONFIG_KERNEL_BASE_ADDR == 0
+       brai    TOPHYS(real_start)
+       .org    0x100
+real_start:
+#endif
+
        mfs     r1, rmsr
        andi    r1, r1, ~2
        mts     rmsr, r1
@@ -99,8 +105,8 @@ no_fdt_arg:
        tophys(r4,r4)                   /* convert to phys address */
        ori     r3, r0, COMMAND_LINE_SIZE - 1 /* number of loops */
 _copy_command_line:
-       lbu     r7, r5, r6 /* r7=r5+r6 - r5 contain pointer to command line */
-       sb      r7, r4, r6              /* addr[r4+r6]= r7*/
+       lbu     r2, r5, r6 /* r2=r5+r6 - r5 contain pointer to command line */
+       sb      r2, r4, r6              /* addr[r4+r6]= r2*/
        addik   r6, r6, 1               /* increment counting */
        bgtid   r3, _copy_command_line  /* loop for all entries       */
        addik   r3, r3, -1              /* descrement loop */
@@ -128,7 +134,7 @@ _copy_bram:
         * virtual to physical.
         */
        nop
-       addik   r3, r0, 63              /* Invalidate all TLB entries */
+       addik   r3, r0, MICROBLAZE_TLB_SIZE -1  /* Invalidate all TLB entries */
 _invalidate:
        mts     rtlbx, r3
        mts     rtlbhi, r0                      /* flush: ensure V is clear   */
@@ -136,6 +142,11 @@ _invalidate:
        addik   r3, r3, -1
        /* sync */
 
+       /* Setup the kernel PID */
+       mts     rpid,r0                 /* Load the kernel PID */
+       nop
+       bri     4
+
        /*
         * We should still be executing code at physical address area
         * RAM_BASEADDR at this point. However, kernel code is at
@@ -146,10 +157,6 @@ _invalidate:
        addik   r3,r0, CONFIG_KERNEL_START /* Load the kernel virtual address */
        tophys(r4,r3)                   /* Load the kernel physical address */
 
-       mts     rpid,r0                 /* Load the kernel PID */
-       nop
-       bri     4
-
        /*
         * Configure and load two entries into TLB slots 0 and 1.
         * In case we are pinning TLBs, these are reserved in by the