Hello. On 7/16/2016 5:29 PM, Jamie Lentin wrote:
Referring to values in the u-boot port, add support for the mv88f5181 Signed-off-by: Jamie Lentin <jm@xxxxxxxxxxxx>
[...]
diff --git a/drivers/clk/mvebu/orion.c b/drivers/clk/mvebu/orion.c index fd12956..a6e5bee 100644 --- a/drivers/clk/mvebu/orion.c +++ b/drivers/clk/mvebu/orion.c @@ -21,6 +21,76 @@ static const struct coreclk_ratio orion_coreclk_ratios[] __initconst = { }; /* + * Orion 5181 + */ + +#define SAR_MV88F5181_TCLK_FREQ 8 +#define SAR_MV88F5181_TCLK_FREQ_MASK 0x3 + +static u32 __init mv88f5181_get_tclk_freq(void __iomem *sar) +{ + u32 opt = (readl(sar) >> SAR_MV88F5181_TCLK_FREQ) & + SAR_MV88F5181_TCLK_FREQ_MASK; + if (opt == 0) + return 133333333; + else if (opt == 1) + return 150000000; + else if (opt == 2) + return 166666667;
Do you know about the *switch* statement? :-)
+ else + return 0; +} + +#define SAR_MV88F5181_CPU_FREQ 4 +#define SAR_MV88F5181_CPU_FREQ_MASK 0xf + +static u32 __init mv88f5181_get_cpu_freq(void __iomem *sar) +{ + u32 opt = (readl(sar) >> SAR_MV88F5181_CPU_FREQ) & + SAR_MV88F5181_CPU_FREQ_MASK; + if (opt == 0) + return 333333333; + else if (opt == 1 || opt == 2) + return 400000000; + else if (opt == 3) + return 500000000;
Asks to be a *switch* as well...
+ else + return 0; +} + +static void __init mv88f5181_get_clk_ratio(void __iomem *sar, int id, + int *mult, int *div) +{ + u32 opt = (readl(sar) >> SAR_MV88F5181_CPU_FREQ) & + SAR_MV88F5181_CPU_FREQ_MASK; + if (opt == 0 || opt == 1) { + *mult = 1; + *div = 2; + } else if (opt == 2 || opt == 3) { + *mult = 1; + *div = 3; + } else { + *mult = 0; + *div = 1; + }
This one too... [...] MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html