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imx8m: soc: probe clock device in arch_cpu_init_dm

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Because we need to get cpu freq in print_cpuinfo at very early stage,
so we need to make sure the ccm be probed.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2019-08-27 06:25:58 +00:00 • committed by Stefano Babic
parent e89d211f30
commit e663c703b1
1 changed files with 17 additions and 0 deletions
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17
arch/arm/mach-imx/imx8m/soc.c
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@ -14,6 +14,7 @@
#include <asm/mach-imx/boot_mode.h> #include <asm/mach-imx/boot_mode.h>
#include <asm/mach-imx/syscounter.h> #include <asm/mach-imx/syscounter.h>
#include <asm/armv8/mmu.h> #include <asm/armv8/mmu.h>
#include <dm/uclass.h>
#include <errno.h> #include <errno.h>
#include <fdt_support.h> #include <fdt_support.h>
#include <fsl_wdog.h> #include <fsl_wdog.h>
@ -228,6 +229,22 @@ static void imx_set_wdog_powerdown(bool enable)
writew(enable, &wdog3->wmcr); writew(enable, &wdog3->wmcr);
} }
int arch_cpu_init_dm(void)
{
struct udevice *dev;
int ret;
ret = uclass_get_device_by_name(UCLASS_CLK,
"clock-controller@30380000",
&dev);
if (ret < 0) {
printf("Failed to find clock node. Check device tree\n");
return ret;
}
return 0;
}
int arch_cpu_init(void) int arch_cpu_init(void)
{ {
struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;