diff options
| -rw-r--r-- | drivers/remoteproc/ti_k3_arm64_rproc.c | 62 |
1 files changed, 42 insertions, 20 deletions
diff --git a/drivers/remoteproc/ti_k3_arm64_rproc.c b/drivers/remoteproc/ti_k3_arm64_rproc.c index 1f2415dc1a6..99f11000dfb 100644 --- a/drivers/remoteproc/ti_k3_arm64_rproc.c +++ b/drivers/remoteproc/ti_k3_arm64_rproc.c @@ -36,6 +36,8 @@ * @gtc_base: Timer base address. */ struct k3_arm64_privdata { + bool has_cluster_node; + struct power_domain cluster_pwrdmn; struct power_domain rproc_pwrdmn; struct power_domain gtc_pwrdmn; struct reset_ctl rproc_rst; @@ -55,6 +57,7 @@ struct k3_arm64_privdata { static int k3_arm64_load(struct udevice *dev, ulong addr, ulong size) { struct k3_arm64_privdata *rproc = dev_get_priv(dev); + ulong gtc_rate; int ret; dev_dbg(dev, "%s addr = 0x%lx, size = 0x%lx\n", __func__, addr, size); @@ -64,26 +67,10 @@ static int k3_arm64_load(struct udevice *dev, ulong addr, ulong size) if (ret) return ret; - return ti_sci_proc_set_config(&rproc->tsp, addr, 0, 0); -} - -/** - * k3_arm64_start() - Start the remote processor - * @dev: rproc device pointer - * - * Return: 0 if all went ok, else return appropriate error - */ -static int k3_arm64_start(struct udevice *dev) -{ - struct k3_arm64_privdata *rproc = dev_get_priv(dev); - ulong gtc_rate; - int ret; - - dev_dbg(dev, "%s\n", __func__); - ret = power_domain_on(&rproc->gtc_pwrdmn); if (ret) { - dev_err(dev, "power_domain_on() failed: %d\n", ret); + dev_err(dev, "power_domain_on(&rproc->gtc_pwrdmn) failed: %d\n", + ret); return ret; } @@ -100,9 +87,36 @@ static int k3_arm64_start(struct udevice *dev) * assigned-clock-rates during the device probe. So no need to * set the frequency again here. */ + if (rproc->has_cluster_node) { + ret = power_domain_on(&rproc->cluster_pwrdmn); + if (ret) { + dev_err(dev, + "power_domain_on(&rproc->cluster_pwrdmn) failed: %d\n", + ret); + return ret; + } + } + + return ti_sci_proc_set_config(&rproc->tsp, addr, 0, 0); +} + +/** + * k3_arm64_start() - Start the remote processor + * @dev: rproc device pointer + * + * Return: 0 if all went ok, else return appropriate error + */ +static int k3_arm64_start(struct udevice *dev) +{ + struct k3_arm64_privdata *rproc = dev_get_priv(dev); + int ret; + + dev_dbg(dev, "%s\n", __func__); ret = power_domain_on(&rproc->rproc_pwrdmn); if (ret) { - dev_err(dev, "power_domain_on() failed: %d\n", ret); + dev_err(dev, + "power_domain_on(&rproc->rproc_pwrdmn) failed: %d\n", + ret); return ret; } @@ -166,9 +180,17 @@ static int k3_arm64_of_to_priv(struct udevice *dev, dev_dbg(dev, "%s\n", __func__); + /* Cluster needs to be powered on if firewalls are being configured */ + rproc->has_cluster_node = true; + ret = power_domain_get_by_index(dev, &rproc->cluster_pwrdmn, 2); + if (ret) { + dev_dbg(dev, "warning: power_domain_get_cluster() failed: %d\n", ret); + rproc->has_cluster_node = false; + } + ret = power_domain_get_by_index(dev, &rproc->rproc_pwrdmn, 1); if (ret) { - dev_err(dev, "power_domain_get() failed: %d\n", ret); + dev_err(dev, "power_domain_get_rproc() failed: %d\n", ret); return ret; } |