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Subject[PATCH 5/5] ARC: AXS103: use cpu-freq param instead of /cpu_card/core_clk
Date
Use cpu's node "cpu-freq" param instead of platform-specific
"/cpu_card/core_clk" as it works only if we use fixed-clock for cpu
clocking.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
---
arch/arc/plat-axs10x/axs10x.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/arch/arc/plat-axs10x/axs10x.c b/arch/arc/plat-axs10x/axs10x.c
index 98d07b7..75118fdc 100644
--- a/arch/arc/plat-axs10x/axs10x.c
+++ b/arch/arc/plat-axs10x/axs10x.c
@@ -337,20 +337,16 @@ union pll_reg {

static void __init axs103_early_init(void)
{
- /*
- * TODO: use cpu node "cpu-freq" param instead of platform-specific
- * "/cpu_card/core_clk" as it works only if we use fixed-clock for cpu.
- */
- int offset = fdt_path_offset(initial_boot_params, "/cpu_card/core_clk");
+ int offset = fdt_path_offset(initial_boot_params, "/cpus/cpu@0");
const struct fdt_property *prop = fdt_get_property(initial_boot_params,
offset,
- "clock-frequency",
+ "cpu-freq",
NULL);
u32 freq = be32_to_cpu(*(u32*)(prop->data)) / 1000000, orig = freq;

/*
* AXS103 configurations for SMP/QUAD configurations share device tree
- * which defaults to 90 MHz. However recent failures of Quad config
+ * which defaults to 100 MHz. However recent failures of Quad config
* revealed P&R timing violations so clamp it down to safe 50 MHz
* Instead of duplicating defconfig/DT for SMP/QUAD, add a small hack
*
@@ -367,7 +363,7 @@ static void __init axs103_early_init(void)
if (freq != orig ) {
freq = cpu_to_be32(freq * 1000000);
fdt_setprop_inplace(initial_boot_params, offset,
- "clock-frequency", &freq, sizeof(freq));
+ "cpu-freq", &freq, sizeof(freq));
}

/* Memory maps already config in pre-bootloader */
--
2.9.3
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