RTEMS | Add the support for i2c driver in the aarch64/raspberrypi bsp (!363)

[Shaunak Datar (@skdatar)]

Shaunak Datar commented on a discussion on bsps/aarch64/raspberrypi/i2c/raspberrypi-i2c.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/363#note_121525

 > +    while(bus->remaining_transfers > 0){
 >          bus->remaining_bytes = bus->remaining_transfers > 1 ? 0xFFFF : (bus->current_buffer_size & 0xFFFF);
 > -        BCM2835_REG(bus->base_address + BCM2711_I2C_DLEN) = bus->remaining_bytes;
 > -        BCM2835_REG(bus->base_address + BCM2711_I2C_STATUS) |= (3 << 8);
 > -        BCM2835_REG(bus->base_address + BCM2711_I2C_CONTROL) |= (1 << 7);
 > -        if ((BCM2835_REG(bus->base_address + BCM2711_I2C_STATUS) & (1 << 8)) != 0)
 > -        {
 > -            return -EIO;
 > -        }
 > -
 > +        BCM2835_REG(bus->base_address + BCM2711_I2C_DLEN) = bus->remaining_bytes;    
 > +        BCM2835_REG(bus->base_address + BCM2711_I2C_STATUS) = S_ERR | S_CLKT | S_DONE;
 > +        
 >          rv = rpi_i2c_bus_transfer(bus);
 > -
 > +        

here I have changed it to use macros to add readability

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/363#note_121525
You're receiving this email because of your account on gitlab.rtems.org.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rtems.org/pipermail/bugs/attachments/20250321/42e7a8aa/attachment-0001.htm>