diff options
Diffstat (limited to 'drivers/cpu/imx8_cpu.c')
| -rw-r--r-- | drivers/cpu/imx8_cpu.c | 50 | 
1 files changed, 25 insertions, 25 deletions
| diff --git a/drivers/cpu/imx8_cpu.c b/drivers/cpu/imx8_cpu.c index dddd12d1e40..6345cd0815a 100644 --- a/drivers/cpu/imx8_cpu.c +++ b/drivers/cpu/imx8_cpu.c @@ -20,6 +20,7 @@ struct cpu_imx_platdata {  	const char *name;  	const char *rev;  	const char *type; +	u32 cpu_rsrc;  	u32 cpurev;  	u32 freq_mhz;  	u32 mpidr; @@ -52,16 +53,23 @@ const char *get_imx8_rev(u32 rev)  	}  } -const char *get_core_name(struct udevice *dev) +static void set_core_data(struct udevice *dev)  { -	if (!device_is_compatible(dev, "arm,cortex-a35")) -		return "A35"; -	else if (!device_is_compatible(dev, "arm,cortex-a53")) -		return "A53"; -	else if (!device_is_compatible(dev, "arm,cortex-a72")) -		return "A72"; -	else -		return "?"; +	struct cpu_imx_platdata *plat = dev_get_platdata(dev); + +	if (device_is_compatible(dev, "arm,cortex-a35")) { +		plat->cpu_rsrc = SC_R_A35; +		plat->name = "A35"; +	} else if (device_is_compatible(dev, "arm,cortex-a53")) { +		plat->cpu_rsrc = SC_R_A53; +		plat->name = "A53"; +	} else if (device_is_compatible(dev, "arm,cortex-a72")) { +		plat->cpu_rsrc = SC_R_A72; +		plat->name = "A72"; +	} else { +		plat->cpu_rsrc = SC_R_A53; +		plat->name = "?"; +	}  }  #if IS_ENABLED(CONFIG_IMX_SCU_THERMAL) @@ -69,12 +77,12 @@ static int cpu_imx_get_temp(struct cpu_imx_platdata *plat)  {  	struct udevice *thermal_dev;  	int cpu_tmp, ret; +	int idx = 1; /* use "cpu-thermal0" device */ -	if (!strcmp(plat->name, "A72")) -		ret = uclass_get_device(UCLASS_THERMAL, 1, &thermal_dev); -	else -		ret = uclass_get_device(UCLASS_THERMAL, 0, &thermal_dev); +	if (plat->cpu_rsrc == SC_R_A72) +		idx = 2; /* use "cpu-thermal1" device */ +	ret = uclass_get_device(UCLASS_THERMAL, idx, &thermal_dev);  	if (!ret) {  		ret = thermal_get_temp(thermal_dev, &cpu_tmp);  		if (ret) @@ -182,19 +190,11 @@ static const struct udevice_id cpu_imx8_ids[] = {  static ulong imx8_get_cpu_rate(struct udevice *dev)  { +	struct cpu_imx_platdata *plat = dev_get_platdata(dev);  	ulong rate; -	int ret, type; - -	if (!device_is_compatible(dev, "arm,cortex-a35")) -		type = SC_R_A35; -	else if (!device_is_compatible(dev, "arm,cortex-a53")) -		type = SC_R_A53; -	else if (!device_is_compatible(dev, "arm,cortex-a72")) -		type = SC_R_A72; -	else -		return 0; +	int ret; -	ret = sc_pm_get_clock_rate(-1, type, SC_PM_CLK_CPU, +	ret = sc_pm_get_clock_rate(-1, plat->cpu_rsrc, SC_PM_CLK_CPU,  				   (sc_pm_clock_rate_t *)&rate);  	if (ret) {  		printf("Could not read CPU frequency: %d\n", ret); @@ -209,9 +209,9 @@ static int imx8_cpu_probe(struct udevice *dev)  	struct cpu_imx_platdata *plat = dev_get_platdata(dev);  	u32 cpurev; +	set_core_data(dev);  	cpurev = get_cpu_rev();  	plat->cpurev = cpurev; -	plat->name = get_core_name(dev);  	plat->rev = get_imx8_rev(cpurev & 0xFFF);  	plat->type = get_imx8_type((cpurev & 0xFF000) >> 12);  	plat->freq_mhz = imx8_get_cpu_rate(dev) / 1000000; | 
