From f33017716e5c430d84366ecc4476ba2b655f3fef Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 7 Jul 2015 20:53:44 -0600 Subject: 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 --- drivers/core/device.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) (limited to 'drivers/core/device.c') diff --git a/drivers/core/device.c b/drivers/core/device.c index 51b1b44..d65717d 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) { -- cgit v1.1