This adds call to tmu_init() and TMU boot time analysis for the SoC temperature threshold breach.
Signed-off-by: Akshay Saraswat akshay.s@samsung.com Acked-by: Simon Glass sjg@chromium.org --- Changes since v8: - None.
board/samsung/smdk5250/smdk5250.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+)
diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c index 7a5f132..7b9a8c5 100644 --- a/board/samsung/smdk5250/smdk5250.c +++ b/board/samsung/smdk5250/smdk5250.c @@ -35,9 +35,35 @@ #include <asm/arch/sromc.h> #include <asm/arch/dp_info.h> #include <power/pmic.h> +#include <tmu.h>
DECLARE_GLOBAL_DATA_PTR;
+#if defined CONFIG_EXYNOS_TMU +/* + * Boot Time Thermal Analysis for SoC temperature threshold breach + */ +void boot_temp_check(void) +{ + int temp; + + switch (tmu_monitor(&temp)) { + case TMU_STATUS_TRIPPED: + puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n"); + board_poweroff(); + break; + case TMU_STATUS_WARNING: + puts("EXYNOS_TMU: WARNING! Temperature very high\n"); + break; + case TMU_STATUS_NORMAL: + break; + case TMU_STATUS_INIT: + default: + debug("Unknown TMU state\n"); + } +} +#endif + #ifdef CONFIG_USB_EHCI_EXYNOS int board_usb_vbus_init(void) { @@ -57,6 +83,15 @@ int board_usb_vbus_init(void) int board_init(void) { gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); + +#if defined CONFIG_EXYNOS_TMU + if (tmu_init(gd->fdt_blob)) { + debug("%s: Failed to init TMU\n", __func__); + return -1; + } + boot_temp_check(); +#endif + #ifdef CONFIG_EXYNOS_SPI spi_init(); #endif