Sync with mainline: arch/arm/boot/compressed/head.S

File arch/arm/boot/compressed/head.S should always
be in sync with mainline.

See include/asm-arm/arch-omap/debug-macro.S.

diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 182b27f0763582c8e0fe1281116cc8266df35f23..2568d311be215a7301bc752f4813a9e64e866999 100644 (file)
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -52,26 +52,6 @@
                add     \rb, \rb, #0x00010000   @ Ser1
 #endif
                .endm
-#elif defined(CONFIG_ARCH_OMAP2)
-               .macro  loadsp, rb
-               mov     \rb, #0x48000000        @ physical base address
-               add     \rb, \rb, #0x0006a000
-#ifdef CONFIG_OMAP_LL_DEBUG_UART2
-               add     \rb, \rb, #0x00002000
-#endif
-#ifdef CONFIG_OMAP_LL_DEBUG_UART3
-               add     \rb, \rb, #0x00004000
-#endif
-               .endm
-               .macro  writeb, rb
-               strb    \rb, [r3]
-               .endm
-#elif defined(CONFIG_ARCH_IOP331)
-               .macro loadsp, rb
-                mov    \rb, #0xff000000
-                orr     \rb, \rb, #0x00ff0000
-                orr     \rb, \rb, #0x0000f700   @ location of the UART
-               .endm
 #elif defined(CONFIG_ARCH_S3C2410)
                .macro loadsp, rb
                mov     \rb, #0x50000000
@@ -102,9 +82,11 @@
                kphex   r6, 8           /* processor id */
                kputc   #':'
                kphex   r7, 8           /* architecture id */
+#ifdef CONFIG_CPU_CP15
                kputc   #':'
                mrc     p15, 0, r0, c1, c0
                kphex   r0, 8           /* control reg */
+#endif
                kputc   #'\n'
                kphex   r5, 8           /* decompressed kernel start */
                kputc   #'-'
@@ -255,7 +237,8 @@ not_relocated:      mov     r0, #0
  */
                cmp     r4, r2
                bhs     wont_overwrite
-               add     r0, r4, #4096*1024      @ 4MB largest kernel size
+               sub     r3, sp, r5              @ > compressed kernel size
+               add     r0, r4, r3, lsl #2      @ allow for 4x expansion
                cmp     r0, r5
                bls     wont_overwrite
 
@@ -527,7 +510,11 @@ call_kernel:       bl      cache_clean_flush
  */
 
 call_cache_fn: adr     r12, proc_types
+#ifdef CONFIG_CPU_CP15
                mrc     p15, 0, r6, c0, c0      @ get processor ID
+#else
+               ldr     r6, =CONFIG_PROCESSOR_ID
+#endif
 1:             ldr     r1, [r12, #0]           @ get value
                ldr     r2, [r12, #4]           @ get mask
                eor     r1, r1, r6              @ (real ^ match)