feat(plat/mediatek/mt8195): add SPM suspend driver
Support DRAM/MAINPLL/26M off when system suspend.
Signed-off-by: Edward-JW Yang <edward-jw.yang@mediatek.corp-partner.google.com>
Change-Id: Ib8502f9b0b4e47aa405e5449f0b6d483bd3f5d77
diff --git a/plat/mediatek/mt8195/drivers/spm/notifier/mt_spm_sspm_intc.h b/plat/mediatek/mt8195/drivers/spm/notifier/mt_spm_sspm_intc.h
new file mode 100644
index 0000000..6847e77
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/spm/notifier/mt_spm_sspm_intc.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_SPM_SSPM_INTC_H
+#define MT_SPM_SSPM_INTC_H
+
+#include <mt_spm_reg.h>
+
+#define MT_SPM_SSPM_INTC_SEL_0 0x10
+#define MT_SPM_SSPM_INTC_SEL_1 0x20
+#define MT_SPM_SSPM_INTC_SEL_2 0x40
+#define MT_SPM_SSPM_INTC_SEL_3 0x80
+
+#define MT_SPM_SSPM_INTC_TRIGGER(id, sg) \
+ (((0x10 << id) | (sg << id)) & 0xff)
+
+#define MT_SPM_SSPM_INTC0_HIGH MT_SPM_SSPM_INTC_TRIGGER(0, 1)
+#define MT_SPM_SSPM_INTC0_LOW MT_SPM_SSPM_INTC_TRIGGER(0, 0)
+#define MT_SPM_SSPM_INTC1_HIGH MT_SPM_SSPM_INTC_TRIGGER(1, 1)
+#define MT_SPM_SSPM_INTC1_LOW MT_SPM_SSPM_INTC_TRIGGER(1, 0)
+#define MT_SPM_SSPM_INTC2_HIGH MT_SPM_SSPM_INTC_TRIGGER(2, 1)
+#define MT_SPM_SSPM_INTC2_LOW MT_SPM_SSPM_INTC_TRIGGER(2, 0)
+#define MT_SPM_SSPM_INTC3_HIGH MT_SPM_SSPM_INTC_TRIGGER(3, 1)
+#define MT_SPM_SSPM_INTC3_LOW MT_SPM_SSPM_INTC_TRIGGER(3, 0)
+
+#define DO_SPM_SSPM_LP_SUSPEND() \
+ mmio_write_32(SPM_MD32_IRQ, MT_SPM_SSPM_INTC0_HIGH)
+#define DO_SPM_SSPM_LP_RESUME() \
+ mmio_write_32(SPM_MD32_IRQ, MT_SPM_SSPM_INTC0_LOW)
+#endif /* MT_SPM_SSPM_INTC_H */