diff options
| -rw-r--r-- | drivers/bus/ti-sysc.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index f67b927ae4ca..1c034f140351 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -2036,6 +2036,21 @@ static void sysc_module_disable_quirk_pruss(struct sysc *ddata) sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); } +static void sysc_module_enable_quirk_pruss(struct sysc *ddata) +{ + u32 reg; + + reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); + + /* + * Clearing the SYSC_PRUSS_STANDBY_INIT bit - Updates OCP master + * port configuration to enable memory access outside of the + * PRU-ICSS subsystem. + */ + reg &= (~SYSC_PRUSS_STANDBY_INIT); + sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); +} + static void sysc_init_module_quirks(struct sysc *ddata) { if (ddata->legacy_mode || !ddata->name) @@ -2088,8 +2103,10 @@ static void sysc_init_module_quirks(struct sysc *ddata) ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; } - if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) + if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) { + ddata->module_enable_quirk = sysc_module_enable_quirk_pruss; ddata->module_disable_quirk = sysc_module_disable_quirk_pruss; + } } static int sysc_clockdomain_init(struct sysc *ddata) |