diff options
Diffstat (limited to 'drivers/watchdog')
-rw-r--r-- | drivers/watchdog/s3c2410_wdt.c | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index b7a03668f743..349d30462c8c 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -69,6 +69,13 @@ #define EXYNOSAUTOV9_CLUSTER0_WDTRESET_BIT 25 #define EXYNOSAUTOV9_CLUSTER1_WDTRESET_BIT 24 +#define GS_CLUSTER0_NONCPU_OUT 0x1220 +#define GS_CLUSTER1_NONCPU_OUT 0x1420 +#define GS_CLUSTER0_NONCPU_INT_EN 0x1244 +#define GS_CLUSTER1_NONCPU_INT_EN 0x1444 +#define GS_CLUSTER2_NONCPU_INT_EN 0x1644 +#define GS_RST_STAT_REG_OFFSET 0x3B44 + /** * DOC: Quirk flags for different Samsung watchdog IP-cores * @@ -270,7 +277,35 @@ static const struct s3c2410_wdt_variant drv_data_exynosautov9_cl1 = { QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN, }; +static const struct s3c2410_wdt_variant drv_data_gs101_cl0 = { + .mask_reset_reg = GS_CLUSTER0_NONCPU_INT_EN, + .mask_bit = 2, + .mask_reset_inv = true, + .rst_stat_reg = GS_RST_STAT_REG_OFFSET, + .rst_stat_bit = 0, + .cnt_en_reg = GS_CLUSTER0_NONCPU_OUT, + .cnt_en_bit = 8, + .quirks = QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_MASK_RESET | + QUIRK_HAS_PMU_CNT_EN | QUIRK_HAS_WTCLRINT_REG | + QUIRK_HAS_DBGACK_BIT, +}; + +static const struct s3c2410_wdt_variant drv_data_gs101_cl1 = { + .mask_reset_reg = GS_CLUSTER1_NONCPU_INT_EN, + .mask_bit = 2, + .mask_reset_inv = true, + .rst_stat_reg = GS_RST_STAT_REG_OFFSET, + .rst_stat_bit = 1, + .cnt_en_reg = GS_CLUSTER1_NONCPU_OUT, + .cnt_en_bit = 7, + .quirks = QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_MASK_RESET | + QUIRK_HAS_PMU_CNT_EN | QUIRK_HAS_WTCLRINT_REG | + QUIRK_HAS_DBGACK_BIT, +}; + static const struct of_device_id s3c2410_wdt_match[] = { + { .compatible = "google,gs101-wdt", + .data = &drv_data_gs101_cl0 }, { .compatible = "samsung,s3c2410-wdt", .data = &drv_data_s3c2410 }, { .compatible = "samsung,s3c6410-wdt", @@ -607,7 +642,8 @@ s3c2410_get_wdt_drv_data(struct platform_device *pdev, struct s3c2410_wdt *wdt) #ifdef CONFIG_OF /* Choose Exynos850/ExynosAutov9 driver data w.r.t. cluster index */ if (variant == &drv_data_exynos850_cl0 || - variant == &drv_data_exynosautov9_cl0) { + variant == &drv_data_exynosautov9_cl0 || + variant == &drv_data_gs101_cl0) { u32 index; int err; @@ -620,9 +656,12 @@ s3c2410_get_wdt_drv_data(struct platform_device *pdev, struct s3c2410_wdt *wdt) case 0: break; case 1: - variant = (variant == &drv_data_exynos850_cl0) ? - &drv_data_exynos850_cl1 : - &drv_data_exynosautov9_cl1; + if (variant == &drv_data_exynos850_cl0) + variant = &drv_data_exynos850_cl1; + else if (variant == &drv_data_exynosautov9_cl0) + variant = &drv_data_exynosautov9_cl1; + else if (variant == &drv_data_gs101_cl0) + variant = &drv_data_gs101_cl1; break; default: return dev_err_probe(dev, -EINVAL, "wrong cluster index: %u\n", index); |