Hi Rob,
> As used in (and tested on) the ASRock IMB-150 board. Implementation is
> identical to other NCT chips, just with different registers.
>
> Signed-off-by: Rob Kramer <r...@solution-space.com>
> ---
> drivers/watchdog/Kconfig | 1 +
> drivers/watchdog/w83627hf_wdt.c | 22 +++++++++++++++++++---
> 2 files changed, 20 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
> index 4f0e7be..318d8bc 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -1140,6 +1140,7 @@ config W83627HF_WDT
> NCT6779
> NCT6791
> NCT6792
> + NCT6102D/04D/06D
>
> This watchdog simply watches your kernel to make sure it doesn't
> freeze, and if it does, it reboots your computer after a certain
> diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c
> index cab14bc..09e8003 100644
> --- a/drivers/watchdog/w83627hf_wdt.c
> +++ b/drivers/watchdog/w83627hf_wdt.c
> @@ -45,10 +45,11 @@
> static int wdt_io;
> static int cr_wdt_timeout; /* WDT timeout register */
> static int cr_wdt_control; /* WDT control register */
> +static int cr_wdt_csr; /* WDT control & status register */
>
> enum chips { w83627hf, w83627s, w83697hf, w83697ug, w83637hf, w83627thf,
> w83687thf, w83627ehf, w83627dhg, w83627uhg, w83667hg, w83627dhg_p,
> - w83667hg_b, nct6775, nct6776, nct6779, nct6791, nct6792 };
> + w83667hg_b, nct6775, nct6776, nct6779, nct6791, nct6792, nct6102 };
>
> static int timeout; /* in seconds */
> module_param(timeout, int, 0);
> @@ -92,15 +93,21 @@ MODULE_PARM_DESC(early_disable, "Disable watchdog at boot
> time (default=0)");
> #define W83667HG_B_ID 0xb3
> #define NCT6775_ID 0xb4
> #define NCT6776_ID 0xc3
> +#define NCT6102_ID 0xc4
> #define NCT6779_ID 0xc5
> #define NCT6791_ID 0xc8
> #define NCT6792_ID 0xc9
>
> #define W83627HF_WDT_TIMEOUT 0xf6
> #define W83697HF_WDT_TIMEOUT 0xf4
> +#define NCT6102D_WDT_TIMEOUT 0xf1
>
> #define W83627HF_WDT_CONTROL 0xf5
> #define W83697HF_WDT_CONTROL 0xf3
> +#define NCT6102D_WDT_CONTROL 0xf0
> +
> +#define W836X7HF_WDT_CSR 0xf7
> +#define NCT6102D_WDT_CSR 0xf2
>
> static void superio_outb(int reg, int val)
> {
> @@ -197,6 +204,7 @@ static int w83627hf_init(struct watchdog_device *wdog,
> enum chips chip)
> case nct6779:
> case nct6791:
> case nct6792:
> + case nct6102:
> /*
> * These chips have a fixed WDTO# output pin (W83627UHG),
> * or support more than one WDTO# output pin.
> @@ -229,8 +237,8 @@ static int w83627hf_init(struct watchdog_device *wdog,
> enum chips chip)
> superio_outb(cr_wdt_control, t);
>
> /* reset trigger, disable keyboard & mouse turning off watchdog */
> - t = superio_inb(0xF7) & ~0xD0;
> - superio_outb(0xF7, t);
> + t = superio_inb(cr_wdt_csr) & ~0xD0;
> + superio_outb(cr_wdt_csr, t);
>
> superio_exit();
>
> @@ -322,6 +330,7 @@ static int wdt_find(int addr)
>
> cr_wdt_timeout = W83627HF_WDT_TIMEOUT;
> cr_wdt_control = W83627HF_WDT_CONTROL;
> + cr_wdt_csr = W836X7HF_WDT_CSR;
>
> ret = superio_enter();
> if (ret)
> @@ -387,6 +396,12 @@ static int wdt_find(int addr)
> case NCT6792_ID:
> ret = nct6792;
> break;
> + case NCT6102_ID:
> + ret = nct6102;
> + cr_wdt_timeout = NCT6102D_WDT_TIMEOUT;
> + cr_wdt_control = NCT6102D_WDT_CONTROL;
> + cr_wdt_csr = NCT6102D_WDT_CSR;
> + break;
> case 0xff:
> ret = -ENODEV;
> break;
> @@ -422,6 +437,7 @@ static int __init wdt_init(void)
> "NCT6779",
> "NCT6791",
> "NCT6792",
> + "NCT6102",
> };
>
> wdt_io = 0x2e;
> --
> 2.6.2
>
Patch has been added to linux-watchdog-next.
Kind regards,
Wim.
