If the thermal sensor is enabled in U-Boot, adjust the cpu-thermal trip points for industrial rated parts.
Signed-off-by: Adam Ford aford173@gmail.com
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 8e23e6da32..619e04a602 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -30,6 +30,7 @@ #include <fsl_wdog.h> #include <imx_sip.h> #include <linux/bitops.h> +#include <imx_thermal.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -1207,10 +1208,10 @@ static int cleanup_nodes_for_efi(void *blob)
int ft_system_setup(void *blob, struct bd_info *bd) { + __maybe_unused int nodeoff; #ifdef CONFIG_IMX8MQ int i = 0; int rc; - int nodeoff;
if (get_boot_device() == USB_BOOT) { disable_dcss_nodes(blob); @@ -1346,6 +1347,24 @@ usb_modify_speed: disable_cpu_nodes(blob, 2); #endif
+#if defined(CONFIG_IMX_TMU) + int minc, maxc, prop; + + nodeoff = fdt_path_offset(blob, "/thermal-zones/cpu-thermal/trips"); + + /* Only update Industrial grade parts */ + if (get_cpu_temp_grade(&minc, &maxc) == TEMP_INDUSTRIAL) { + fdt_for_each_subnode(prop, blob, nodeoff) { + const char *type = fdt_getprop(blob, prop, "type", NULL); + + if (type && (!strcmp("critical", type))) + fdt_setprop_u32(blob, prop, "temperature", maxc * 1000); + else if (type && (!strcmp("passive", type))) + fdt_setprop_u32(blob, prop, "temperature", (maxc - 10) * 1000); + } + } +#endif + cleanup_nodes_for_efi(blob); return 0; }