[U-Boot] [PATCH] armv8: fsl-lsch3: fixup SYSCLK frequency in device tree

Prabhakar Kushwaha prabhakar at freescale.com
Thu Dec 24 12:55:06 CET 2015


SYSCLK frequency is dependent on on-board switch settings. It may
vary as per requirement. boot-loader is aware of board switch
configurations.

So Fixup Linux device tree from boot-loader.

Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
CC: Mingkai Hu <Mingkai.Hu at freescale.com>
---
 arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
index eafdd71..4e4861d 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
@@ -190,6 +190,9 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 			       "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
 #endif
 
+	do_fixup_by_compat_u32(blob, "fixed-clock",
+			       "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
+
 #ifdef CONFIG_PCI
 	ft_pci_setup(blob, bd);
 #endif
-- 
1.9.1




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