Bartosz Golaszewski <bgolaszewski at baylibre.com> writes: > Create a new driver for the da8xx DDR2/mDDR controller and implement > support for writing to the Peripheral Bus Burst Priority Register. > > Signed-off-by: Bartosz Golaszewski <bgolaszewski at baylibre.com>
[...] > diff --git a/drivers/memory/da8xx-ddrctl.c b/drivers/memory/da8xx-ddrctl.c > new file mode 100644 > index 0000000..dcd0a61 > --- /dev/null > +++ b/drivers/memory/da8xx-ddrctl.c > @@ -0,0 +1,77 @@ > +/* > + * TI da8xx DDR2/mDDR controller driver > + * > + * Copyright (C) 2016 BayLibre SAS > + * > + * Author: > + * Bartosz Golaszewski <bgolaszewski at baylibre.com> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + */ > + > +#include <linux/module.h> > +#include <linux/of.h> > +#include <linux/platform_device.h> > +#include <linux/io.h> > + > +#define DA8XX_DDR_CTL_BASE 0xB0000000 This base addr should be the reg property of the node. > +#define DA8XX_PBBPR_OFFSET 0x00000020 > +#define DA8XX_PBBPR_REG(p) ((p) + DA8XX_PBBPR_OFFSET) Kevin
