diff options
Diffstat (limited to 'drivers/reset/reset-ast2600.c')
| -rw-r--r-- | drivers/reset/reset-ast2600.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/reset/reset-ast2600.c b/drivers/reset/reset-ast2600.c index 985235a..1732a45 100644 --- a/drivers/reset/reset-ast2600.c +++ b/drivers/reset/reset-ast2600.c @@ -47,6 +47,22 @@ static int ast2600_reset_deassert(struct reset_ctl *reset_ctl) return 0; } +static int ast2600_reset_status(struct reset_ctl *reset_ctl) +{ + struct ast2600_reset_priv *priv = dev_get_priv(reset_ctl->dev); + struct ast2600_scu *scu = priv->scu; + int status; + + debug("%s: reset_ctl->id: %lu\n", __func__, reset_ctl->id); + + if (reset_ctl->id < 32) + status = BIT(reset_ctl->id) & readl(&scu->modrst_ctrl1); + else + status = BIT(reset_ctl->id - 32) & readl(&scu->modrst_ctrl2); + + return !!status; +} + static int ast2600_reset_probe(struct udevice *dev) { int rc; @@ -78,6 +94,7 @@ static const struct udevice_id ast2600_reset_ids[] = { struct reset_ops ast2600_reset_ops = { .rst_assert = ast2600_reset_assert, .rst_deassert = ast2600_reset_deassert, + .rst_status = ast2600_reset_status, }; U_BOOT_DRIVER(ast2600_reset) = { |