On Mon, Jan 21, 2013 at 3:11 AM, Akshay Saraswat akshay.s@samsung.com wrote:
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 v4: - Replaced board polling with initial SoC temperature analysis for any possible threshold breach.
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
1.7.9.5