Hi Stefan, On 28 November 2016 at 02:46, Stefan Roese <s...@denx.de> wrote: > The currently available functions accessing the 'reg' property of a > device only retrieve the address. Sometimes its also necessary to > retrieve the size described by the 'reg' property. This patch adds > the new function dev_get_addr_size_index() which retrieves both, > the address and the size described by the 'reg' property. > > Signed-off-by: Stefan Roese <s...@denx.de> > Cc: Simon Glass <s...@chromium.org> > --- > drivers/core/device.c | 22 ++++++++++++++++++++++ > include/dm/device.h | 16 ++++++++++++++++ > 2 files changed, 38 insertions(+) > > diff --git a/drivers/core/device.c b/drivers/core/device.c > index dcf5d9d..ec43654 100644 > --- a/drivers/core/device.c > +++ b/drivers/core/device.c > @@ -693,6 +693,28 @@ fdt_addr_t dev_get_addr_index(struct udevice *dev, int > index) > #endif > } > > +fdt_addr_t dev_get_addr_size_index(struct udevice *dev, int index, > + fdt_size_t *size) > +{ > +#if CONFIG_IS_ENABLED(OF_CONTROL) > + /* > + * Only get the size in this first call. We'll get the addr in the > + * next call to the exisiting dev_get_xxx function which handles > + * all config options. > + */ > + fdtdec_get_addr_size_auto_noparent(gd->fdt_blob, dev->of_offset, > + "reg", 1, size, false);
Does this take account of 'index'? > + > + /* > + * Get the base address via the existing function which handles > + * all Kconfig cases > + */ > + return dev_get_addr_index(dev, index); > +#else > + return FDT_ADDR_T_NONE; > +#endif > +} > + > fdt_addr_t dev_get_addr_name(struct udevice *dev, const char *name) > { > #if CONFIG_IS_ENABLED(OF_CONTROL) > diff --git a/include/dm/device.h b/include/dm/device.h > index babf8ac..9948bd4 100644 > --- a/include/dm/device.h > +++ b/include/dm/device.h > @@ -497,6 +497,22 @@ void *dev_map_physmem(struct udevice *dev, unsigned long > size); > fdt_addr_t dev_get_addr_index(struct udevice *dev, int index); > > /** > + * dev_get_addr_size_index() - Get the indexed reg property of a device > + * > + * Returns the address and size specified in the 'reg' property of a device. > + * > + * @dev: Pointer to a device > + * @index: the 'reg' property can hold a list of <addr, size> pairs > + * and @index is used to select which one is required > + * @size: Pointer to size varible - this function returns the size > + * specified in the 'reg' property here > + * > + * @return addr > + */ > +fdt_addr_t dev_get_addr_size_index(struct udevice *dev, int index, > + fdt_size_t *size); > + > +/** > * dev_get_addr_name() - Get the reg property of a device, indexed by name > * > * @dev: Pointer to a device > -- > 2.10.2 > Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot