HiKey: init EDMA controller with non secure mode
Init EDMA controller with non secure mode. A lot of peripherals are
depend on EDMA controller. But EDMA controller is in secure mode
by default. And this operation has to be executed in secure mode.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
diff --git a/plat/hisilicon/hikey/hikey_bl31_setup.c b/plat/hisilicon/hikey/hikey_bl31_setup.c
index c592fc7..412b593 100644
--- a/plat/hisilicon/hikey/hikey_bl31_setup.c
+++ b/plat/hisilicon/hikey/hikey_bl31_setup.c
@@ -16,6 +16,7 @@
#include <hi6220.h>
#include <hisi_ipc.h>
#include <hisi_pwrc.h>
+#include <mmio.h>
#include <platform_def.h>
#include "hikey_def.h"
@@ -152,6 +153,20 @@
BL31_COHERENT_RAM_LIMIT);
}
+/* Initialize EDMAC controller with non-secure mode. */
+static void hikey_edma_init(void)
+{
+ int i;
+ uint32_t non_secure;
+
+ non_secure = EDMAC_SEC_CTRL_INTR_SEC | EDMAC_SEC_CTRL_GLOBAL_SEC;
+ mmio_write_32(EDMAC_SEC_CTRL, non_secure);
+
+ for (i = 0; i < EDMAC_CHANNEL_NUMS; i++) {
+ mmio_write_32(EDMAC_AXI_CONF(i), (1 << 6) | (1 << 18));
+ }
+}
+
void bl31_platform_setup(void)
{
/* Initialize the GIC driver, cpu and distributor interfaces */
@@ -160,6 +175,8 @@
gicv2_pcpu_distif_init();
gicv2_cpuif_enable();
+ hikey_edma_init();
+
hisi_ipc_init();
hisi_pwrc_setup();
}