[PATCH 1/2] cpu: imx8: fix type and rate detection

Peng Fan
2020-05-17T10:02:06Z

> Subject: [PATCH 1/2] cpu: imx8: fix type and rate detection
>
> CPU type and rate detection is broken, for A35 cpu we get A53:
> ...
> sc_pm_get_clock_rate: resource:0 clk:2: res:3 Could not read CPU frequency:
> -22
> CPU: NXP i.MX8QXP RevB A53 at 0 MHz at 47C
>
> Fixes: 55bc96f3b675 ("cpu: imx8: fix get core name and rate")
> Signed-off-by: Anatolij Gustschin <agust@denx.de>
> ---
> drivers/cpu/imx8_cpu.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/cpu/imx8_cpu.c b/drivers/cpu/imx8_cpu.c index
> 95c14c98d8..896e1ac776 100644
> --- a/drivers/cpu/imx8_cpu.c
> +++ b/drivers/cpu/imx8_cpu.c
> @@ -52,11 +52,11 @@ const char *get_imx8_rev(u32 rev)
>
> const char *get_core_name(struct udevice *dev) {
> - if (!device_is_compatible(dev, "arm,cortex-a35"))
> + if (device_is_compatible(dev, "arm,cortex-a35"))
> return "A35";
> - else if (!device_is_compatible(dev, "arm,cortex-a53"))
> + else if (device_is_compatible(dev, "arm,cortex-a53"))
> return "A53";
> - else if (!device_is_compatible(dev, "arm,cortex-a72"))
> + else if (device_is_compatible(dev, "arm,cortex-a72"))
> return "A72";
> else
> return "?";
> @@ -183,11 +183,11 @@ static ulong imx8_get_cpu_rate(struct udevice
> *dev)
> ulong rate;
> int ret, type;
>
> - if (!device_is_compatible(dev, "arm,cortex-a35"))
> + if (device_is_compatible(dev, "arm,cortex-a35"))
> type = SC_R_A35;
> - else if (!device_is_compatible(dev, "arm,cortex-a53"))
> + else if (device_is_compatible(dev, "arm,cortex-a53"))
> type = SC_R_A53;
> - else if (!device_is_compatible(dev, "arm,cortex-a72"))
> + else if (device_is_compatible(dev, "arm,cortex-a72"))
> type = SC_R_A72;
> else
> return 0;
> --
> 2.17.1

Reviewed-by: Peng Fan <peng.fan@nxp.com>