Initialize platform for MediaTek mt8183
- Add basic platform setup
- Add generic CPU helper functions
- Add delay timer platform implementation
- Use TI 16550 uart driver
Change-Id: I1c29569c68fe9fca5e10e88a22a29690bab7141f
diff --git a/plat/mediatek/mt8183/scu.c b/plat/mediatek/mt8183/scu.c
new file mode 100644
index 0000000..c4f1c3f
--- /dev/null
+++ b/plat/mediatek/mt8183/scu.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <assert.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <mcucfg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void disable_scu(u_register_t mpidr)
+{
+ uintptr_t axi_config = 0;
+ uint32_t axi_value;
+
+ switch (mpidr & MPIDR_CLUSTER_MASK) {
+ case 0x000:
+ axi_config = (uintptr_t)&mt8183_mcucfg->mp0_axi_config;
+ axi_value = MP0_ACINACTM;
+ break;
+ case 0x100:
+ axi_config = (uintptr_t)&mt8183_mcucfg->mp2_axi_config;
+ axi_value = MP2_ACINACTM;
+ break;
+ default:
+ ERROR("%s: mpidr does not exist\n", __func__);
+ panic();
+ }
+ mmio_setbits_32(axi_config, axi_value);
+}
+
+void enable_scu(u_register_t mpidr)
+{
+ uintptr_t axi_config = 0;
+ uint32_t axi_value;
+
+ switch (mpidr & MPIDR_CLUSTER_MASK) {
+ case 0x000:
+ axi_config = (uintptr_t)&mt8183_mcucfg->mp0_axi_config;
+ axi_value = MP0_ACINACTM;
+ break;
+ case 0x100:
+ axi_config = (uintptr_t)&mt8183_mcucfg->mp2_axi_config;
+ axi_value = MP2_ACINACTM;
+ break;
+ default:
+ ERROR("%s: mpidr does not exist\n", __func__);
+ panic();
+ }
+ mmio_clrbits_32(axi_config, axi_value);
+}