Hello Christophe,
Am 06.07.2017 um 10:33 schrieb Christophe Leroy:
Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr>
---
arch/powerpc/cpu/mpc8xx/cpu_init.c | 8 ++++++++
1 file changed, 8 insertions(+)
Reviewed-by: Heiko Schocher <h...@denx.de>
nitpick only
diff --git a/arch/powerpc/cpu/mpc8xx/cpu_init.c
b/arch/powerpc/cpu/mpc8xx/cpu_init.c
index cf1280983a..52406e8483 100644
--- a/arch/powerpc/cpu/mpc8xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc8xx/cpu_init.c
@@ -51,6 +51,14 @@ void cpu_init_f(immap_t __iomem *immr)
clrsetbits_be32(&immr->im_clkrst.car_sccr, ~SCCR_MASK,
CONFIG_SYS_SCCR);
+ /* BUG MPC866 GLL2 consideration */
+ reg = in_be32(&immr->im_clkrst.car_sccr);
+ /* probably we use the mode 1:2:1 */
+ if ((reg & 0x00060000) == 0x00020000) {
+ clrbits_be32(&immr->im_clkrst.car_sccr, 0x00060000);
+ setbits_be32(&immr->im_clkrst.car_sccr, 0x00020000);
You may can introduce defines for the magic values here.
+ }
+
/* PLL (CPU clock) settings (15-30) */
out_be32(&immr->im_clkrstk.cark_plprcrk, KAPWR_KEY);
bye,
Heiko
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
