[U-Boot] [PATCH] armv8/fsl-lsch2: correct QMAN clock
Zhiqiang Hou
Zhiqiang.Hou at nxp.com
Wed Apr 25 08:28:44 UTC 2018
From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
---
arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 8 ++++++++
arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c | 4 +++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 3d0c9fe..5da9f1a 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -398,6 +398,14 @@ config SYS_FSL_SDHC_CLK_DIV
help
This is the divider that is used to derive SDHC clock from Platform
clock, in another word SDHC_clk = Platform_clk / this_divider.
+
+config SYS_FSL_QMAN_CLK_DIV
+ int "QMAN clock divider"
+ default 1 if ARCH_LS1043A
+ default 2
+ help
+ This is the divider that is used to derive QMAN clock from Platform
+ clock, in another word QMAN_clk = Platform_clk / this_divider.
endmenu
config RESV_RAM
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c
index eaab948..8047dbe 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c
@@ -156,7 +156,9 @@ void get_sys_info(struct sys_info *sys_info)
CONFIG_SYS_FSL_IFC_CLK_DIV;
#endif
#ifdef CONFIG_SYS_DPAA_QBMAN
- sys_info->freq_qman = sys_info->freq_systembus;
+ sys_info->freq_qman = (sys_info->freq_systembus /
+ CONFIG_SYS_FSL_PCLK_DIV) /
+ CONFIG_SYS_FSL_QMAN_CLK_DIV;
#endif
}
--
2.1.0.27.g96db324
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