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dm: core: Add Kconfig for simple bus driver

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Add Kconfig entries for the simple-bus driver, both for U-Boot
and for SPL. The simple-bus is enabled by default in U-Boot and
disabled by default in SPL to preserve the original behavior.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
Modified to fit on top of Masahiro's $(SPL) setup:
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Marek Vasut 2015-08-03 01:15:48 +02:00 • committed by Simon Glass
parent 4e9838c102
commit 628d792c07
3 changed files with 17 additions and 6 deletions
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15
drivers/core/Kconfig
View file

@ -105,4 +105,19 @@ config DEBUG_DEVRES
If you are unsure about this, Say N here. If you are unsure about this, Say N here.
config SIMPLE_BUS
bool "Support simple-bus driver"
depends on DM && OF_CONTROL
default y
help
Supports the 'simple-bus' driver, which is used on some systems.
config SPL_SIMPLE_BUS
bool "Support simple-bus driver in SPL"
depends on SPL_DM && SPL_OF_CONTROL
default n
help
Supports the 'simple-bus' driver, which is used on some systems
in SPL.
endmenu endmenu

4
drivers/core/Makefile
View file

@ -6,10 +6,8 @@
obj-y += device.o lists.o root.o uclass.o util.o obj-y += device.o lists.o root.o uclass.o util.o
obj-$(CONFIG_DEVRES) += devres.o obj-$(CONFIG_DEVRES) += devres.o
ifndef CONFIG_SPL_BUILD
obj-$(CONFIG_$(SPL_)OF_CONTROL) += simple-bus.o
endif
obj-$(CONFIG_$(SPL_)DM_DEVICE_REMOVE) += device-remove.o obj-$(CONFIG_$(SPL_)DM_DEVICE_REMOVE) += device-remove.o
obj-$(CONFIG_$(SPL_)SIMPLE_BUS) += simple-bus.o
obj-$(CONFIG_DM) += dump.o obj-$(CONFIG_DM) += dump.o
obj-$(CONFIG_REGMAP) += regmap.o obj-$(CONFIG_REGMAP) += regmap.o
obj-$(CONFIG_SYSCON) += syscon-uclass.o obj-$(CONFIG_SYSCON) += syscon-uclass.o

4
drivers/core/device.c
View file

@ -574,11 +574,9 @@ fdt_addr_t dev_get_addr(struct udevice *dev)
fdt_addr_t addr; fdt_addr_t addr;
addr = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg"); addr = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
if (addr != FDT_ADDR_T_NONE) { if (CONFIG_IS_ENABLED(SIMPLE_BUS) && addr != FDT_ADDR_T_NONE) {
#ifndef CONFIG_SPL_BUILD
if (device_get_uclass_id(dev->parent) == UCLASS_SIMPLE_BUS) if (device_get_uclass_id(dev->parent) == UCLASS_SIMPLE_BUS)
addr = simple_bus_translate(dev->parent, addr); addr = simple_bus_translate(dev->parent, addr);
#endif
} }
return addr; return addr;