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_121842

 > +        {
 > +            return RTEMS_INVALID_NUMBER;
 > +        }
 > +    }
 > +
 > +    for (i = 0; i < msg_count; i++)
 > +    {
 > +        bus->current_buffer = msgs[i].buf;
 > +        bus->current_buffer_size = msgs[i].len;
 > +        bus->remaining_transfers = (bus->current_buffer_size + 0xFFFFE) / 0xFFFFF;
 > +
 > +        if (msgs[i].flags & I2C_M_TEN) // 10-bit slave address
 > +        {
 > +            /* Add the 8 lsbs of the 10-bit slave address to the fifo register*/
 > +            BCM2835_REG(bus->base_address + BCM2711_I2C_FIFO) = msgs[i].addr & 0xFF;
 > +            uint8_t msbs = msgs[i].addr >> 8;

Done, made the changes.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/363#note_121842
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