feat(plat/mdeiatek/mt8195): add DFD control in SiP service
DFD (Design for Debug) is a debugging tool, which scans
flip-flops and dumps to internal RAM on the WDT reset.
After system reboots, those values could be showed for
debugging.
BUG=b:192429713
Change-Id: I02c6c862b6217bc84c83a09b533bd53ec19b06f7
diff --git a/plat/mediatek/mt8195/drivers/dfd/plat_dfd.h b/plat/mediatek/mt8195/drivers/dfd/plat_dfd.h
new file mode 100644
index 0000000..2a7e979
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/dfd/plat_dfd.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_DFD_H
+#define PLAT_DFD_H
+
+#include <arch_helpers.h>
+#include <lib/mmio.h>
+#include <platform_def.h>
+
+#define sync_writel(addr, val) do { mmio_write_32((addr), (val)); \
+ dsbsy(); \
+ } while (0)
+
+#define PLAT_MTK_DFD_SETUP_MAGIC (0x99716150)
+#define PLAT_MTK_DFD_READ_MAGIC (0x99716151)
+#define PLAT_MTK_DFD_WRITE_MAGIC (0x99716152)
+
+#define MTK_DRM_LATCH_CTL1 (DRM_BASE + 0x40)
+#define MTK_DRM_LATCH_CTL2 (DRM_BASE + 0x44)
+
+#define MTK_WDT_BASE (RGU_BASE)
+#define MTK_WDT_INTERVAL (MTK_WDT_BASE + 0x10)
+#define MTK_WDT_LATCH_CTL2 (MTK_WDT_BASE + 0x48)
+
+#define MCU_BIU_BASE (MCUCFG_BASE)
+#define MISC1_CFG_BASE (MCU_BIU_BASE + 0xE040)
+#define DFD_INTERNAL_CTL (MISC1_CFG_BASE + 0x00)
+#define DFD_INTERNAL_PWR_ON (MISC1_CFG_BASE + 0x08)
+#define DFD_CHAIN_LENGTH0 (MISC1_CFG_BASE + 0x0C)
+#define DFD_INTERNAL_SHIFT_CLK_RATIO (MISC1_CFG_BASE + 0x10)
+#define DFD_CHAIN_LENGTH1 (MISC1_CFG_BASE + 0x1C)
+#define DFD_CHAIN_LENGTH2 (MISC1_CFG_BASE + 0x20)
+#define DFD_CHAIN_LENGTH3 (MISC1_CFG_BASE + 0x24)
+#define DFD_INTERNAL_TEST_SO_0 (MISC1_CFG_BASE + 0x28)
+#define DFD_INTERNAL_NUM_OF_TEST_SO_GROUP (MISC1_CFG_BASE + 0x30)
+#define DFD_INTERNAL_TEST_SO_OVER_64 (MISC1_CFG_BASE + 0x34)
+#define DFD_INTERNAL_SW_NS_TRIGGER (MISC1_CFG_BASE + 0x3c)
+#define DFD_V30_CTL (MISC1_CFG_BASE + 0x48)
+#define DFD_V30_BASE_ADDR (MISC1_CFG_BASE + 0x4C)
+#define DFD_POWER_CTL (MISC1_CFG_BASE + 0x50)
+#define DFD_TEST_SI_0 (MISC1_CFG_BASE + 0x58)
+#define DFD_TEST_SI_1 (MISC1_CFG_BASE + 0x5C)
+#define DFD_CLEAN_STATUS (MISC1_CFG_BASE + 0x60)
+#define DFD_TEST_SI_2 (MISC1_CFG_BASE + 0x1D8)
+#define DFD_TEST_SI_3 (MISC1_CFG_BASE + 0x1DC)
+#define DFD_READ_ADDR (MISC1_CFG_BASE + 0x1E8)
+#define DFD_HW_TRIGGER_MASK (MISC1_CFG_BASE + 0xBC)
+
+#define DFD_V35_ENABLE (MCU_BIU_BASE + 0xE0A8)
+#define DFD_V35_TAP_NUMBER (MCU_BIU_BASE + 0xE0AC)
+#define DFD_V35_TAP_EN (MCU_BIU_BASE + 0xE0B0)
+#define DFD_V35_CTL (MCU_BIU_BASE + 0xE0B4)
+#define DFD_V35_SEQ0_0 (MCU_BIU_BASE + 0xE0C0)
+#define DFD_V35_SEQ0_1 (MCU_BIU_BASE + 0xE0C4)
+#define DFD_V50_GROUP_0_63_DIFF (MCU_BIU_BASE + 0xE2AC)
+
+#define DFD_O_PROTECT_EN_REG (0x10001220)
+#define DFD_O_INTRF_MCU_PWR_CTL_MASK (0x10001A3C)
+#define DFD_O_SET_BASEADDR_REG (0x10043000)
+#define DFD_O_REG_0 (0x10001390)
+
+#define DFD_CACHE_DUMP_ENABLE 1U
+#define DFD_PARITY_ERR_TRIGGER 2U
+
+#define DFD_V35_TAP_EN_VAL (0x43FF)
+#define DFD_V35_SEQ0_0_VAL (0x63668820)
+#define DFD_READ_ADDR_VAL (0x40000008)
+#define DFD_CHAIN_LENGTH_VAL (0xFFFFFFFF)
+
+#define MTK_WDT_LATCH_CTL2_VAL (0x9507FFFF)
+#define MTK_WDT_INTERVAL_VAL (0x6600000A)
+#define MTK_DRM_LATCH_CTL2_VAL (0x950600C8)
+#define MTK_DRM_LATCH_CTL2_CACHE_VAL (0x95065DC0)
+
+#define MTK_DRM_LATCH_CTL1_VAL (0x95000013)
+
+void dfd_resume(void);
+uint64_t dfd_smc_dispatcher(uint64_t arg0, uint64_t arg1,
+ uint64_t arg2, uint64_t arg3);
+
+#endif /* PLAT_DFD_H */