diff options
Diffstat (limited to 'drivers/remoteproc/pru_rproc.c')
| -rw-r--r-- | drivers/remoteproc/pru_rproc.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c index 2874c8d324f7..5e3eb7b86a0e 100644 --- a/drivers/remoteproc/pru_rproc.c +++ b/drivers/remoteproc/pru_rproc.c @@ -16,8 +16,9 @@ #include <linux/debugfs.h> #include <linux/irqdomain.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/of_irq.h> +#include <linux/platform_device.h> #include <linux/remoteproc/pruss.h> #include <linux/pruss_driver.h> #include <linux/remoteproc.h> @@ -109,6 +110,7 @@ struct pru_private_data { * @dbg_single_step: debug state variable to set PRU into single step mode * @dbg_continuous: debug state variable to restore PRU execution mode * @evt_count: number of mapped events + * @gpmux_save: saved value for gpmux config */ struct pru_rproc { int id; @@ -127,6 +129,7 @@ struct pru_rproc { u32 dbg_single_step; u32 dbg_continuous; u8 evt_count; + u8 gpmux_save; }; static inline u32 pru_control_read_reg(struct pru_rproc *pru, unsigned int reg) @@ -228,6 +231,7 @@ struct rproc *pru_rproc_get(struct device_node *np, int index, struct device *dev; const char *fw_name; int ret; + u32 mux; rproc = __pru_rproc_get(np, index); if (IS_ERR(rproc)) @@ -252,6 +256,23 @@ struct rproc *pru_rproc_get(struct device_node *np, int index, if (pru_id) *pru_id = pru->id; + ret = pruss_cfg_get_gpmux(pru->pruss, pru->id, &pru->gpmux_save); + if (ret) { + dev_err(dev, "failed to get cfg gpmux: %d\n", ret); + goto err; + } + + /* An error here is acceptable for backward compatibility */ + ret = of_property_read_u32_index(np, "ti,pruss-gp-mux-sel", index, + &mux); + if (!ret) { + ret = pruss_cfg_set_gpmux(pru->pruss, pru->id, mux); + if (ret) { + dev_err(dev, "failed to set cfg gpmux: %d\n", ret); + goto err; + } + } + ret = of_property_read_string_index(np, "firmware-name", index, &fw_name); if (!ret) { @@ -290,6 +311,8 @@ void pru_rproc_put(struct rproc *rproc) pru = rproc->priv; + pruss_cfg_set_gpmux(pru->pruss, pru->id, pru->gpmux_save); + pru_rproc_set_firmware(rproc, NULL); mutex_lock(&pru->lock); @@ -317,7 +340,7 @@ EXPORT_SYMBOL_GPL(pru_rproc_put); */ int pru_rproc_set_ctable(struct rproc *rproc, enum pru_ctable_idx c, u32 addr) { - struct pru_rproc *pru = rproc->priv; + struct pru_rproc *pru; unsigned int reg; u32 mask, set; u16 idx; @@ -329,6 +352,7 @@ int pru_rproc_set_ctable(struct rproc *rproc, enum pru_ctable_idx c, u32 addr) if (!rproc->dev.parent || !is_pru_rproc(rproc->dev.parent)) return -ENODEV; + pru = rproc->priv; /* pointer is 16 bit and index is 8-bit so mask out the rest */ idx_mask = (c >= PRU_C28) ? 0xFFFF : 0xFF; @@ -540,7 +564,7 @@ static int pru_handle_intrmap(struct rproc *rproc) return -ENODEV; } - fwspec.fwnode = of_node_to_fwnode(irq_parent); + fwspec.fwnode = of_fwnode_handle(irq_parent); fwspec.param_count = 3; for (i = 0; i < pru->evt_count; i++) { fwspec.param[0] = rsc->pru_intc_map[i].event; @@ -1032,7 +1056,7 @@ static int pru_rproc_probe(struct platform_device *pdev) pru->mem_regions[i].pa = res->start; pru->mem_regions[i].size = resource_size(res); - dev_dbg(dev, "memory %8s: pa %pa size 0x%zx va %pK\n", + dev_dbg(dev, "memory %8s: pa %pa size 0x%zx va %p\n", mem_names[i], &pru->mem_regions[i].pa, pru->mem_regions[i].size, pru->mem_regions[i].va); } @@ -1109,7 +1133,7 @@ static struct platform_driver pru_rproc_driver = { .suppress_bind_attrs = true, }, .probe = pru_rproc_probe, - .remove_new = pru_rproc_remove, + .remove = pru_rproc_remove, }; module_platform_driver(pru_rproc_driver); |