[U-Boot] [PATCH 4/9 v9] EXYNOS5: TMU: Add TMU init and status check

[Minkyu Kang <mk7.kang@samsung.com>]

On 06/02/13 22:18, Akshay Saraswat 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 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)

static?

> +{
> +	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;

no action? then please remove it.

> +	case TMU_STATUS_INIT:

is it unknown state?

> +	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
> 

Thanks,
Minkyu Kang.