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pru: BeagleBone Firmware upgrade to Debian 11.7 Bullseye (#6577)

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* 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 <work@datalink.net.ua>
This commit is contained in:
Oleg Gavavka 2024-04-27 18:01:57 +03:00 • committed by GitHub
parent 0b329c5d28
commit b1eec53ff4
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GPG key ID: B5690EEEBB952194
23 changed files with 565 additions and 2601 deletions
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16
lib/pru_rpmsg/include/pru_virtio_ring.h
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@ -109,25 +109,25 @@ struct vring {
* struct vring_desc desc[num];
*
* // A ring of available descriptor heads with free-running index.
* __u16 avail_flags;
* __u16 avail_idx;
* __u16 available[num];
* __u16 used_event_idx;
* uint16_t avail_flags;
* uint16_t avail_idx;
* uint16_t available[num];
* uint16_t used_event_idx;
*
* // Padding to the next align boundary.
* char pad[];
*
* // A ring of used descriptor heads with free-running index.
* __u16 used_flags;
* __u16 used_idx;
* uint16_t used_flags;
* uint16_t used_idx;
* struct vring_used_elem used[num];
* __u16 avail_event_idx;
* uint16_t avail_event_idx;
* };
*/
/* We publish the used event index at the end of the available ring, and vice
* versa. They are at the end for backwards compatibility. */
#define vring_used_event(vr) ((vr)->avail->ring[(vr)->num])
#define vring_avail_event(vr) (*(__u16 *)&(vr)->used->ring[(vr)->num])
#define vring_avail_event(vr) (*(uint16_t *)&(vr)->used->ring[(vr)->num])
static inline void vring_init(struct vring *vr, uint32_t num, void *p,
uint64_t align)