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>

1 files changed, 1 insertions, 0 deletions

diff --git a/test/dm/cpu.c b/test/dm/cpu.c
index f5f1caef71..e6dc576ea3 100644
--- a/test/dm/cpu.c
+++ b/test/dm/cpu.c
@@ -33,6 +33,7 @@ static int dm_test_cpu(struct unit_test_state *uts)
 	ut_assertok(cpu_get_info(dev, &info));
 	ut_asserteq(info.cpu_freq, 42 * 42 * 42 * 42 * 42);
 	ut_asserteq(info.features, 0x42424242);
+	ut_asserteq(info.address_width, 32);
 
 	ut_asserteq(cpu_get_count(dev), 42);