Blackfin arch: unify the duplicated _real_start functions

[safe/jmp/linux-2.6] / arch / blackfin / mach-bf537 / head.S

diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index 5bc89bb..c11f0fd 100644 (file)
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -240,76 +240,6 @@ ENTRY(__start)
        jump .LWAIT_HERE;
 ENDPROC(__start)
 
-ENTRY(_real_start)
-       [ -- sp ] = reti;
-       p0.l = lo(WDOG_CTL);
-       p0.h = hi(WDOG_CTL);
-       r0 = 0xAD6(z);
-       w[p0] = r0;     /* watchdog off for now */
-       ssync;
-
-       /* Code update for BSS size == 0
-        * Zero out the bss region.
-        */
-
-       p1.l = ___bss_start;
-       p1.h = ___bss_start;
-       p2.l = ___bss_stop;
-       p2.h = ___bss_stop;
-       r0 = 0;
-       p2 -= p1;
-       lsetup (.L_clear_bss, .L_clear_bss) lc0 = p2;
-.L_clear_bss:
-       B[p1++] = r0;
-
-       /* In case there is a NULL pointer reference
-        * Zero out region before stext
-        */
-
-       p1.l = 0x0;
-       p1.h = 0x0;
-       r0.l = __stext;
-       r0.h = __stext;
-       r0 = r0 >> 1;
-       p2 = r0;
-       r0 = 0;
-       lsetup (.L_clear_zero, .L_clear_zero) lc0 = p2;
-.L_clear_zero:
-       W[p1++] = r0;
-
-       /* pass the uboot arguments to the global value command line */
-       R0 = R7;
-       call _cmdline_init;
-
-       p1.l = __rambase;
-       p1.h = __rambase;
-       r0.l = __sdata;
-       r0.h = __sdata;
-       [p1] = r0;
-
-       p1.l = __ramstart;
-       p1.h = __ramstart;
-       p3.l = ___bss_stop;
-       p3.h = ___bss_stop;
-
-       r1 = p3;
-       [p1] = r1;
-
-       /*
-        * load the current thread pointer and stack
-        */
-       r1.l = _init_thread_union;
-       r1.h = _init_thread_union;
-
-       r2.l = 0x2000;
-       r2.h = 0x0000;
-       r1 = r1 + r2;
-       sp = r1;
-       usp = sp;
-       fp = sp;
-       jump.l _start_kernel;
-ENDPROC(_real_start)
-
 __FINIT
 
 .section .l1.text