diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/core/Kconfig | 30 | ||||
| -rw-r--r-- | drivers/core/device.c | 20 |
2 files changed, 50 insertions, 0 deletions
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig index 41f4e695e8..15681df6d3 100644 --- a/drivers/core/Kconfig +++ b/drivers/core/Kconfig @@ -120,4 +120,34 @@ config SPL_SIMPLE_BUS Supports the 'simple-bus' driver, which is used on some systems in SPL. +config OF_TRANSLATE + bool "Translate addresses using fdt_translate_address" + depends on DM && OF_CONTROL + default y + help + If this option is enabled, the reg property will be translated + using the fdt_translate_address() function. This is necessary + on some platforms (e.g. MVEBU) using complex "ranges" + properties in many nodes. As this translation is not handled + correctly in the default simple_bus_translate() function. + + If this option is not enabled, simple_bus_translate() will be + used for the address translation. This function is faster and + smaller in size than fdt_translate_address(). + +config SPL_OF_TRANSLATE + bool "Translate addresses using fdt_translate_address" + depends on SPL_DM && SPL_OF_CONTROL + default n + help + If this option is enabled, the reg property will be translated + using the fdt_translate_address() function. This is necessary + on some platforms (e.g. MVEBU) using complex "ranges" + properties in many nodes. As this translation is not handled + correctly in the default simple_bus_translate() function. + + If this option is not enabled, simple_bus_translate() will be + used for the address translation. This function is faster and + smaller in size than fdt_translate_address(). + endmenu diff --git a/drivers/core/device.c b/drivers/core/device.c index 833a803696..a3dc2ca679 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -11,6 +11,7 @@ #include <common.h> #include <fdtdec.h> +#include <fdt_support.h> #include <malloc.h> #include <dm/device.h> #include <dm/device-internal.h> @@ -585,6 +586,25 @@ fdt_addr_t dev_get_addr(struct udevice *dev) #if CONFIG_IS_ENABLED(OF_CONTROL) fdt_addr_t addr; + if (CONFIG_IS_ENABLED(OF_TRANSLATE)) { + const fdt32_t *reg; + + reg = fdt_getprop(gd->fdt_blob, dev->of_offset, "reg", NULL); + if (!reg) + return FDT_ADDR_T_NONE; + + /* + * Use the full-fledged translate function for complex + * bus setups. + */ + return fdt_translate_address((void *)gd->fdt_blob, + dev->of_offset, reg); + } + + /* + * Use the "simple" translate function for less complex + * bus setups. + */ addr = fdtdec_get_addr_size_auto_parent(gd->fdt_blob, dev->parent->of_offset, dev->of_offset, "reg", |
