dm: core: Add Kconfig for simple bus driver

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>

diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index 788f8b7..41f4e69 100644 (file)
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -105,4 +105,19 @@ config DEBUG_DEVRES
 
          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

diff --git a/drivers/core/Makefile b/drivers/core/Makefile
index 11e0276..f19f67d 100644 (file)
--- a/drivers/core/Makefile
+++ b/drivers/core/Makefile
@@ -6,10 +6,8 @@
 
 obj-y  += device.o lists.o root.o uclass.o util.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_$(SPL_)SIMPLE_BUS)        += simple-bus.o
 obj-$(CONFIG_DM)       += dump.o
 obj-$(CONFIG_REGMAP)   += regmap.o
 obj-$(CONFIG_SYSCON)   += syscon-uclass.o

diff --git a/drivers/core/device.c b/drivers/core/device.c
index 826d82c..01f6647 100644 (file)
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -574,11 +574,9 @@ fdt_addr_t dev_get_addr(struct udevice *dev)
        fdt_addr_t addr;
 
        addr = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
-       if (addr != FDT_ADDR_T_NONE) {
-#ifndef CONFIG_SPL_BUILD
+       if (CONFIG_IS_ENABLED(SIMPLE_BUS) && addr != FDT_ADDR_T_NONE) {
                if (device_get_uclass_id(dev->parent) == UCLASS_SIMPLE_BUS)
                        addr = simple_bus_translate(dev->parent, addr);
-#endif
        }
 
        return addr;