Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr>
---
arch/powerpc/cpu/mpc8xx/cpu_init.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/powerpc/cpu/mpc8xx/cpu_init.c
b/arch/powerpc/cpu/mpc8xx/cpu_init.c
index 0f935aff9e..e8045cc5c6 100644
--- a/arch/powerpc/cpu/mpc8xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc8xx/cpu_init.c
@@ -55,6 +55,16 @@ void cpu_init_f (volatile immap_t * immr)
reg |= CONFIG_SYS_SCCR;
immr->im_clkrst.car_sccr = reg;
+ /* BUG MPC866 GLL2 consideration */
+ reg = immr->im_clkrst.car_sccr;
+ /* probably we use the mode 1:2:1 */
+ if ((reg & 0x00060000) == 0x00020000) {
+ reg &= ~0x00060000;
+ immr->im_clkrst.car_sccr = reg;
+ reg |= 0x00020000;
+ immr->im_clkrst.car_sccr = reg;
+ }
+
/* PLL (CPU clock) settings (15-30) */
immr->im_clkrstk.cark_plprcrk = KAPWR_KEY;
--
2.12.0
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