diff options
Diffstat (limited to 'drivers/reset/reset-ast2500.c')
| -rw-r--r-- | drivers/reset/reset-ast2500.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/reset/reset-ast2500.c b/drivers/reset/reset-ast2500.c index 0a1dd236af..d9cecf3a72 100644 --- a/drivers/reset/reset-ast2500.c +++ b/drivers/reset/reset-ast2500.c @@ -48,6 +48,24 @@ static int ast2500_reset_deassert(struct reset_ctl *reset_ctl) return 0; } +static int ast2500_reset_status(struct reset_ctl *reset_ctl) +{ + struct ast2500_reset_priv *priv = dev_get_priv(reset_ctl->dev); + struct ast2500_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->sysreset_ctrl1); + else + status = BIT(reset_ctl->id - 32) & readl(&scu->sysreset_ctrl2); + + return !!status; +} + + + static int ast2500_reset_probe(struct udevice *dev) { int rc; @@ -79,6 +97,7 @@ static const struct udevice_id ast2500_reset_ids[] = { struct reset_ops ast2500_reset_ops = { .rst_assert = ast2500_reset_assert, .rst_deassert = ast2500_reset_deassert, + .rst_status = ast2500_reset_status, }; U_BOOT_DRIVER(ast2500_reset) = { |