feat(mediatek): add smcc call for MSDC

Some registers of MSDC need to be set in ATF, so we add MSDC drivers.

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Change-Id: Idde51a136ad08dbaece0bdaa804b934fca7046b6

plat/mediatek/drivers/msdc/mt8186/mt_msdc_priv.h

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_MSDC_PRIV_H
+#define MT_MSDC_PRIV_H
+
+#define MSDC_CQHCI_CFG 0x808
+#define MSDC_CQHCI_CRYPTO_ENABLE BIT(1)
+
+#endif

plat/mediatek/drivers/msdc/mt_msdc.c

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <mt_msdc.h>
+#include <platform_def.h>
+
+uint64_t msdc_smc_dispatcher(uint64_t arg0, uint64_t arg1,
+			     uint64_t arg2, uint64_t arg3)
+{
+	INFO("[%s] msdc setup call from kernel\n", __func__);
+	mmio_setbits_32(MSDC0_BASE + MSDC_CQHCI_CFG, MSDC_CQHCI_CRYPTO_ENABLE);
+
+	return 0L;
+}

plat/mediatek/drivers/msdc/mt_msdc.h

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_MSDC_H
+#define MT_MSDC_H
+
+#include <mt_msdc_priv.h>
+
+uint64_t msdc_smc_dispatcher(uint64_t arg0, uint64_t arg1,
+			     uint64_t arg2, uint64_t arg3);
+
+#endif

plat/mediatek/include/mtk_sip_def.h

@@ -11,6 +11,7 @@
 #define MTK_SIP_SMC_FROM_NS_EL1_TABLE(_func) \
 	_func(MTK_SIP_KERNEL_TIME_SYNC, 0x202) \
 	_func(MTK_SIP_KERNEL_DFD, 0x205) \
+	_func(MTK_SIP_KERNEL_MSDC, 0x273) \
 	_func(MTK_SIP_VCORE_CONTROL, 0x506) \
 	_func(MTK_SIP_IOMMU_CONTROL, 0x514) \
 	_func(MTK_SIP_APUSYS_CONTROL, 0x51E) \

plat/mediatek/mt8186/include/plat_sip_calls.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ * Copyright (c) 2021-2022, MediaTek Inc. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -10,6 +10,6 @@
 /*******************************************************************************
  * Plat SiP function constants
  ******************************************************************************/
-#define MTK_PLAT_SIP_NUM_CALLS		(4)
+#define MTK_PLAT_SIP_NUM_CALLS		(6)
 
 #endif /* PLAT_SIP_CALLS_H */

plat/mediatek/mt8186/include/platform_def.h

@@ -71,6 +71,11 @@
  ******************************************************************************/
 #define EMI_MPU_BASE		(IO_PHYS + 0x0021B000)
 
+/*******************************************************************************
+ * MSDC related constants
+ ******************************************************************************/
+#define MSDC0_BASE		(IO_PHYS + 0x01230000)
+
 /*******************************************************************************
  * GIC-600 & interrupt handling related constants
  ******************************************************************************/

plat/mediatek/mt8186/plat_sip_calls.c

@@ -6,6 +6,8 @@
 
 #include <common/debug.h>
 #include <common/runtime_svc.h>
+#include <lib/mmio.h>
+#include <mt_msdc.h>
 #include <mt_spm_vcorefs.h>
 #include <mtk_sip_svc.h>
 #include <plat_dfd.h>
@@ -33,6 +35,11 @@ uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid,
 		ret = dfd_smc_dispatcher(x1, x2, x3, x4);
 		SMC_RET1(handle, ret);
 		break;
+	case MTK_SIP_KERNEL_MSDC_AARCH32:
+	case MTK_SIP_KERNEL_MSDC_AARCH64:
+		ret = msdc_smc_dispatcher(x1, x2, x3, x4);
+		SMC_RET1(handle, ret);
+		break;
 	default:
 		ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
 		break;

plat/mediatek/mt8186/platform.mk

@@ -12,6 +12,8 @@ PLAT_INCLUDES := -I${MTK_PLAT}/common/                            \
                  -I${MTK_PLAT}/drivers/gic600/                    \
                  -I${MTK_PLAT}/drivers/gpio/                      \
                  -I${MTK_PLAT}/drivers/lpm/                       \
+                 -I${MTK_PLAT}/drivers/msdc/                      \
+                 -I${MTK_PLAT}/drivers/msdc/${PLAT}               \
                  -I${MTK_PLAT}/drivers/pmic_wrap/                 \
                  -I${MTK_PLAT}/drivers/timer/                     \
                  -I${MTK_PLAT}/drivers/uart/                      \
@@ -53,6 +55,7 @@ BL31_SOURCES += common/desc_image_load.c                              \
                 ${MTK_PLAT}/drivers/gic600/mt_gic_v3.c                \
                 ${MTK_PLAT}/drivers/gpio/mtgpio_common.c              \
                 ${MTK_PLAT}/drivers/lpm/mt_lp_rm.c                    \
+                ${MTK_PLAT}/drivers/msdc/mt_msdc.c                    \
                 ${MTK_PLAT}/drivers/pmic_wrap/pmic_wrap_init.c        \
                 ${MTK_PLAT}/drivers/rtc/rtc_common.c                  \
                 ${MTK_PLAT}/drivers/timer/mt_timer.c                  \