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_121747

 >              BCM2835_REG(bus->base_address + BCM2711_I2C_SLAVE_ADDRESS) = (0x1E << 2) | msbs;
 > +        }else{
 > +            BCM2835_REG(bus->base_address + BCM2711_I2C_SLAVE_ADDRESS) = msgs[i].addr;
 >          }
 > -        BCM2835_REG(bus->base_address + BCM2711_I2C_SLAVE_ADDRESS) = msgs[i].addr;
 >  
 >          if (msgs[i].flags & I2C_M_RD)
 >          {
 > -            BCM2835_REG(bus->base_address + BCM2711_I2C_CONTROL) |= (1 << 0);
 > +            BCM2835_REG(bus->base_address + BCM2711_I2C_CONTROL) |= C_READ | C_ST; // Read packet transfer
 >              bus->read_transfer = true;
 >          }
 >          else
 >          {
 > -            BCM2835_REG(bus->base_address + BCM2711_I2C_CONTROL) &= ~(1 << 0);
 > +            BCM2835_REG(bus->base_address + BCM2711_I2C_CONTROL) |= 0 | C_ST; // Write packet transfer

Done i have made the changes

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/363#note_121747
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