diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/start.S')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/start.S | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S index 691bd3a445..6b0380f9f5 100644 --- a/arch/powerpc/cpu/mpc85xx/start.S +++ b/arch/powerpc/cpu/mpc85xx/start.S @@ -78,6 +78,13 @@ _start_e500: li r1,MSR_DE mtmsr r1 + /* + * If we got an ePAPR device tree pointer passed in as r3, we need that + * later in cpu_init_early_f(). Save it to a safe register before we + * clobber it so that we can fetch it from there later. + */ + mr r24, r3 + #ifdef CONFIG_SYS_FSL_ERRATUM_A004510 mfspr r3,SPRN_SVR rlwinm r3,r3,0,0xff @@ -1142,6 +1149,10 @@ _start_cont: mr r1,r3 /* Transfer to SP(r1) */ GET_GOT + + /* Pass our potential ePAPR device tree pointer to cpu_init_early_f */ + mr r3, r24 + bl cpu_init_early_f /* switch back to AS = 0 */ |