From: Peng Fan peng.fan@nxp.com
Support print out cpu grade temperature
Signed-off-by: Peng Fan peng.fan@nxp.com --- drivers/cpu/imx8_cpu.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+)
diff --git a/drivers/cpu/imx8_cpu.c b/drivers/cpu/imx8_cpu.c index 4da7a99bf30..304d5e59013 100644 --- a/drivers/cpu/imx8_cpu.c +++ b/drivers/cpu/imx8_cpu.c @@ -13,6 +13,7 @@ #include <asm/arch/sys_proto.h> #include <asm/arch-imx/cpu.h> #include <asm/armv8/cpu.h> +#include <imx_thermal.h> #include <linux/bitops.h> #include <linux/clk-provider.h>
@@ -121,10 +122,17 @@ static int cpu_imx_get_temp(struct cpu_imx_plat *plat) } #endif
+__weak u32 get_cpu_temp_grade(int *minc, int *maxc) +{ + return 0; +} + static int cpu_imx_get_desc(const struct udevice *dev, char *buf, int size) { struct cpu_imx_plat *plat = dev_get_plat(dev); + const char *grade; int ret, temp; + int minc, maxc;
if (size < 100) return -ENOSPC; @@ -132,6 +140,27 @@ static int cpu_imx_get_desc(const struct udevice *dev, char *buf, int size) ret = snprintf(buf, size, "NXP i.MX%s Rev%s %s at %u MHz", plat->type, plat->rev, plat->name, plat->freq_mhz);
+ if (IS_ENABLED(CONFIG_IMX9)) { + switch (get_cpu_temp_grade(&minc, &maxc)) { + case TEMP_AUTOMOTIVE: + grade = "Automotive temperature grade "; + break; + case TEMP_INDUSTRIAL: + grade = "Industrial temperature grade "; + break; + case TEMP_EXTCOMMERCIAL: + grade = "Extended Consumer temperature grade "; + break; + default: + grade = "Consumer temperature grade "; + break; + } + + buf = buf + ret; + size = size - ret; + ret = snprintf(buf, size, "\nCPU: %s (%dC to %dC)", grade, minc, maxc); + } + if (IS_ENABLED(CONFIG_DM_THERMAL)) { temp = cpu_imx_get_temp(plat); buf = buf + ret;