diff options
| author | Simon Glass <sjg@chromium.org> | 2015-07-07 20:53:44 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-08-06 07:44:28 -0600 |
| commit | f33017716e5c430d84366ecc4476ba2b655f3fef (patch) | |
| tree | 6ac94703ce7c4374c81a35176ac541f97d91efb0 /drivers/core/device.c | |
| parent | 0990fcb772192af615f23cd78bbfc081ec40236b (diff) | |
| download | u-boot-f33017716e5c430d84366ecc4476ba2b655f3fef.tar.gz | |
dm: Support address translation for simple-bus
The 'ranges' property can be used to specify a translation from the system
address to the bus address. Add support for this using the dev_get_addr()
function, which devices should use to find their address.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/core/device.c')
| -rw-r--r-- | drivers/core/device.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/core/device.c b/drivers/core/device.c index 51b1b44e5b..d65717ddc7 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -552,17 +552,22 @@ const char *dev_get_uclass_name(struct udevice *dev) return dev->uclass->uc_drv->name; } -#ifdef CONFIG_OF_CONTROL fdt_addr_t dev_get_addr(struct udevice *dev) { - return fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg"); -} +#ifdef CONFIG_OF_CONTROL + fdt_addr_t addr; + + addr = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg"); + if (addr != FDT_ADDR_T_NONE) { + if (device_get_uclass_id(dev->parent) == UCLASS_SIMPLE_BUS) + addr = simple_bus_translate(dev->parent, addr); + } + + return addr; #else -fdt_addr_t dev_get_addr(struct udevice *dev) -{ return FDT_ADDR_T_NONE; -} #endif +} bool device_has_children(struct udevice *dev) { |