cpu: Support querying the address width
Different CPUs may support different address widths, meaning the amount of
memory they can address. Add a property for this to the cpu_info struct.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/cpu/cpu_sandbox.c b/drivers/cpu/cpu_sandbox.c
index ff87e8a..05b384f 100644
--- a/drivers/cpu/cpu_sandbox.c
+++ b/drivers/cpu/cpu_sandbox.c
@@ -19,6 +19,7 @@
{
info->cpu_freq = 42 * 42 * 42 * 42 * 42;
info->features = 0x42424242;
+ info->address_width = IS_ENABLED(CONFIG_PHYS_64BIT) ? 64 : 32;
return 0;
}