From b1eec53ff46d78fad6b41647708b452035b9fe81 Mon Sep 17 00:00:00 2001 From: Oleg Gavavka Date: Sat, 27 Apr 2024 18:01:57 +0300 Subject: pru: BeagleBone Firmware upgrade to Debian 11.7 Bullseye (#6577) * Porting BeagleBone to Kernel 5.10 * Fixing issue with installation for BeagleBone. This fix resolve 2 issue: 1. Conflict with AVR packages. 2. "klipper_pru" script is executed before PRU cores are ready * Adding additional steps to BeagleBone install guide. * Updating BeagleBone documentation, adding different use cases, adding buses configurations SPI, I2C, CAN, UART Signed-off-by: Oleg Gavavka --- lib/pru_rpmsg/pru_virtqueue.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) (limited to 'lib/pru_rpmsg/pru_virtqueue.c') diff --git a/lib/pru_rpmsg/pru_virtqueue.c b/lib/pru_rpmsg/pru_virtqueue.c index 5b14c6e4..cce93d01 100644 --- a/lib/pru_rpmsg/pru_virtqueue.c +++ b/lib/pru_rpmsg/pru_virtqueue.c @@ -41,10 +41,10 @@ */ #include -#ifndef __GNUC__ -volatile register uint32_t __R31; -#else +#ifdef __GNUC__ #include +#else +volatile register uint32_t __R31; #endif /* bit 5 is the valid strobe to generate system events with __R31 */ @@ -131,19 +131,12 @@ int16_t pru_virtqueue_kick( struct pru_virtqueue *vq ) { - unsigned int r31; - /* If requested, do not kick the ARM host */ if (vq->vring.avail->flags & VRING_AVAIL_F_NO_INTERRUPT) return PRU_VIRTQUEUE_NO_KICK; /* Generate a system event to kick the ARM */ - r31 = (INT_ENABLE | (vq->to_arm_event - INT_OFFSET)); -#ifdef __GNUC__ - write_r31(r31); -#else - __R31 = r31; -#endif + __R31 = (INT_ENABLE | (vq->to_arm_event - INT_OFFSET)); return PRU_VIRTQUEUE_SUCCESS; } -- cgit v1.2.3-70-g09d2