[U-Boot] [PATCH 6/8] mips: bmips: fix first CPU check

CFE checks CPU Thread in a different way (using register $22): mfc0 t1, C0_BCM_CONFIG, 3 # $22 li t2, CP0_CMT_TPID # (1 << 31) and t1, t2 bnez t1, 2f # if we are running on thread 1, skip init nop

Signed-off-by: Álvaro Fernández Rojas noltari@gmail.com --- arch/mips/cpu/start.S | 5 +++++ 1 file changed, 5 insertions(+)

diff --git a/arch/mips/cpu/start.S b/arch/mips/cpu/start.S index 6740fdf..d91913b 100644 --- a/arch/mips/cpu/start.S +++ b/arch/mips/cpu/start.S @@ -151,8 +151,13 @@ reset: mfc0 t0, CP0_GLOBALNUMBER #endif

+#ifdef CONFIG_ARCH_BMIPS +1: mfc0 t0, CP0_DIAGNOSTIC, 3 + and t0, t0, (1 << 31) +#else 1: mfc0 t0, CP0_EBASE and t0, t0, EBASE_CPUNUM +#endif

/* Hang if this isn't the first CPU in the system */ 2: beqz t0, 4f