The miamiplus contains a speedgrade-2 device, which may run the CPU at 800MHz.
Change the PLL setting to 800MHz, and adapt the setpoints in the devicetree.
Signed-off-by: Mike Looijmans <mike.looijm...@topic.nl>
---
arch/arm/dts/zynq-topic-miamiplus.dts | 9 +++++++++
board/topic/zynq/zynq-topic-miamiplus/ps7_init_gpl.c | 4 ++--
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/arm/dts/zynq-topic-miamiplus.dts
b/arch/arm/dts/zynq-topic-miamiplus.dts
index c0ccea9..df53886 100644
--- a/arch/arm/dts/zynq-topic-miamiplus.dts
+++ b/arch/arm/dts/zynq-topic-miamiplus.dts
@@ -11,6 +11,15 @@
compatible = "topic,miamiplus", "xlnx,zynq-7000";
};
+/* The miamiplus contains a speedgrade-2 device and runs at 800MHz */
+&cpu0 {
+ operating-points = <
+ /* kHz uV */
+ 800000 1000000
+ 400000 1000000
+ >;
+};
+
&qspi {
is-dual = <1>;
};
diff --git a/board/topic/zynq/zynq-topic-miamiplus/ps7_init_gpl.c
b/board/topic/zynq/zynq-topic-miamiplus/ps7_init_gpl.c
index c1cc1df..fd5846a 100644
--- a/board/topic/zynq/zynq-topic-miamiplus/ps7_init_gpl.c
+++ b/board/topic/zynq/zynq-topic-miamiplus/ps7_init_gpl.c
@@ -8,8 +8,8 @@
static unsigned long ps7_pll_init_data_3_0[] = {
EMIT_MASKWRITE(0XF8000008, 0x0000FFFFU, 0x0000DF0DU),
- EMIT_MASKWRITE(0XF8000110, 0x003FFFF0U, 0x000FA220U),
- EMIT_MASKWRITE(0XF8000100, 0x0007F000U, 0x00028000U),
+ EMIT_MASKWRITE(0XF8000110, 0x003FFFF0U, 0x000FA240U),
+ EMIT_MASKWRITE(0XF8000100, 0x0007F000U, 0x00030000U),
EMIT_MASKWRITE(0XF8000100, 0x00000010U, 0x00000010U),
EMIT_MASKWRITE(0XF8000100, 0x00000001U, 0x00000001U),
EMIT_MASKWRITE(0XF8000100, 0x00000001U, 0x00000000U),
--
1.9.1
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
