ARM: qemu-arm: enable RTC
QEMU provides an emulated ARM AMBA PrimeCell PL031 RTC.
The patch sets the base address in the board include file according to the
definition in hw/arm/virt.c of the QEMU source. It defines the Kconfig
option for the existing driver, and enables the RTC driver in
qemu_arm64_defconfig and qemu_arm_defconfig as well as the date command.
We need an RTC to provide the GetTime() runtime service in the UEFI
subsystem.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Tested-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
diff --git a/include/configs/qemu-arm.h b/include/configs/qemu-arm.h
index 095aec2..be516ba 100644
--- a/include/configs/qemu-arm.h
+++ b/include/configs/qemu-arm.h
@@ -24,6 +24,9 @@
/* For block devices, QEMU emulates an ICH9 AHCI controller over PCI */
#define CONFIG_SYS_SCSI_MAX_SCSI_ID 6
+/* QEMU emulates the ARM AMBA PL031 RTC */
+#define CONFIG_SYS_RTC_PL031_BASE 0x09010000
+
/* Environment options */
#define CONFIG_ENV_SIZE SZ_64K