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If remote core is not started before the Linux boot, and linux is expected to start the remote core then it uses "firmware-name" property to load default firmware during auto boot. Signed-off-by: Tanmay Shah --- drivers/remoteproc/xlnx_r5_remoteproc.c | 48 +++++++++++++++++-------- 1 file changed, 34 insertions(+), 14 deletions(-) diff --git a/drivers/remoteproc/xlnx_r5_remoteproc.c b/drivers/remoteproc/xlnx_r5_remoteproc.c index 45a62cb98072..652030f9cea2 100644 --- a/drivers/remoteproc/xlnx_r5_remoteproc.c +++ b/drivers/remoteproc/xlnx_r5_remoteproc.c @@ -899,17 +899,18 @@ static const struct rproc_ops zynqmp_r5_rproc_ops = { }; /** - * zynqmp_r5_add_rproc_core() - Add core data to framework. - * Allocate and add struct rproc object for each r5f core + * zynqmp_r5_alloc_rproc_core() - alloc rproc core data structure + * Allocate struct rproc object for each r5f core * This is called for each individual r5f core * * @cdev: Device node of each r5 core * * Return: zynqmp_r5_core object for success else error code pointer */ -static struct zynqmp_r5_core *zynqmp_r5_add_rproc_core(struct device *cdev) +static struct zynqmp_r5_core *zynqmp_r5_alloc_rproc_core(struct device *cdev) { struct zynqmp_r5_core *r5_core; + const char *fw_name = NULL; struct rproc *r5_rproc; int ret; @@ -918,10 +919,15 @@ static struct zynqmp_r5_core *zynqmp_r5_add_rproc_core(struct device *cdev) if (ret) return ERR_PTR(ret); + ret = rproc_of_parse_firmware(cdev, 0, &fw_name); + if (ret < 0 && ret != -EINVAL) + return ERR_PTR(dev_err_probe(cdev, ret, + "failed to parse firmware-name\n")); + /* Allocate remoteproc instance */ r5_rproc = rproc_alloc(cdev, dev_name(cdev), &zynqmp_r5_rproc_ops, - NULL, sizeof(struct zynqmp_r5_core)); + fw_name, sizeof(struct zynqmp_r5_core)); if (!r5_rproc) { dev_err(cdev, "failed to allocate memory for rproc instance\n"); return ERR_PTR(-ENOMEM); @@ -932,6 +938,11 @@ static struct zynqmp_r5_core *zynqmp_r5_add_rproc_core(struct device *cdev) r5_rproc->recovery_disabled = true; r5_rproc->has_iommu = false; r5_rproc->auto_boot = false; + + /* attempt to boot automatically if the firmware-name is provided */ + if (fw_name) + r5_rproc->auto_boot = true; + r5_core = r5_rproc->priv; r5_core->dev = cdev; r5_core->np = dev_of_node(cdev); @@ -941,13 +952,6 @@ static struct zynqmp_r5_core *zynqmp_r5_add_rproc_core(struct device *cdev) goto free_rproc; } - /* Add R5 remoteproc core */ - ret = rproc_add(r5_rproc); - if (ret) { - dev_err(cdev, "failed to add r5 remoteproc\n"); - goto free_rproc; - } - r5_core->rproc = r5_rproc; return r5_core; @@ -1280,6 +1284,7 @@ static int zynqmp_r5_core_init(struct zynqmp_r5_cluster *cluster, if (zynqmp_r5_get_rsc_table_va(r5_core)) dev_dbg(r5_core->dev, "rsc tbl not found\n"); r5_core->rproc->state = RPROC_DETACHED; + r5_core->rproc->auto_boot = true; } } @@ -1304,7 +1309,7 @@ static int zynqmp_r5_cluster_init(struct zynqmp_r5_cluster *cluster) enum rpu_oper_mode fw_reg_val; struct device **child_devs; enum rpu_tcm_comb tcm_mode; - int core_count, ret, i; + int core_count, ret, i, j; struct mbox_info *ipi; ret = of_property_read_u32(dev_node, "xlnx,cluster-mode", &cluster_mode); @@ -1390,7 +1395,7 @@ static int zynqmp_r5_cluster_init(struct zynqmp_r5_cluster *cluster) child_devs[i] = &child_pdev->dev; /* create and add remoteproc instance of type struct rproc */ - r5_cores[i] = zynqmp_r5_add_rproc_core(&child_pdev->dev); + r5_cores[i] = zynqmp_r5_alloc_rproc_core(&child_pdev->dev); if (IS_ERR(r5_cores[i])) { ret = PTR_ERR(r5_cores[i]); r5_cores[i] = NULL; @@ -1435,16 +1440,31 @@ static int zynqmp_r5_cluster_init(struct zynqmp_r5_cluster *cluster) goto release_r5_cores; } + for (j = 0; j < cluster->core_count; j++) { + /* Add R5 remoteproc core */ + ret = rproc_add(r5_cores[j]->rproc); + if (ret) { + dev_err_probe(r5_cores[j]->dev, ret, + "failed to add remoteproc\n"); + goto delete_r5_cores; + } + } + kfree(child_devs); return 0; +delete_r5_cores: + i = core_count - 1; + /* delete previous added rproc */ + while (--j >= 0) + rproc_del(r5_cores[j]->rproc); + release_r5_cores: while (i >= 0) { put_device(child_devs[i]); if (r5_cores[i]) { zynqmp_r5_free_mbox(r5_cores[i]->ipi); of_reserved_mem_device_release(r5_cores[i]->dev); - rproc_del(r5_cores[i]->rproc); rproc_free(r5_cores[i]->rproc); } i--; -- 2.34.1