[PATCH v4 3/4] remoteproc: imx_rproc: add autoboot support for A-core
Jiafei Pan <[email protected]>
| Newsgroups | org.kernel.vger.linux-remoteproc,dev.linux.lists.imx,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
From: Hou Zhiqiang <[email protected]> Add autoboot support for Cortex-A Core remoteproc. Signed-off-by: Hou Zhiqiang <[email protected]> Signed-off-by: Jiafei Pan <[email protected]> --- drivers/remoteproc/imx_rproc.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 8a3de27c96b7..e8d239bef5c9 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -1286,7 +1286,24 @@ static int imx_rproc_sm_detect_mode(struct rproc *rproc) static int imx_rproc_psci_detect_mode(struct rproc *rproc) { - rproc->state = RPROC_OFFLINE; + struct imx_rproc *priv = rproc->priv; + unsigned int cpu; + int cpu_aff; + + rproc->state = RPROC_DETACHED; + for_each_cpu(cpu, &priv->cpus) { + cpu_aff = psci_ops.affinity_info(cpu_logical_map(cpu), 0); + if (cpu_aff == PSCI_0_2_AFFINITY_LEVEL_OFF) { + rproc->state = RPROC_OFFLINE; + break; + } + + /* in psci on state but running Linux */ + if (cpu_online(cpu)) { + rproc->state = RPROC_OFFLINE; + break; + } + } return 0; } @@ -1391,7 +1408,6 @@ static int imx_rproc_probe(struct platform_device *pdev) bitmap_copy(cpumask_bits(&priv->cpus), &cpus_bits, min((unsigned int)nr_cpumask_bits, (unsigned int)sizeof(unsigned long))); - rproc->auto_boot = false; } ret = imx_rproc_detect_mode(priv); -- 2.43.0