feat(plat/mediatek/apu): add mt8195 APU mcu boot and stop SiP call
Add APU SiP call support for start/stop mcu.
Change-Id: I3bec0b588a2884327ba645e9568c0150436afa42
diff --git a/plat/mediatek/mt8195/drivers/apusys/mtk_apusys.c b/plat/mediatek/mt8195/drivers/apusys/mtk_apusys.c
new file mode 100644
index 0000000..53e3cc8
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/apusys/mtk_apusys.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <drivers/console.h>
+#include <lib/mmio.h>
+
+#include <mtk_apusys.h>
+#include <plat/common/platform.h>
+
+int32_t apusys_kernel_ctrl(uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4,
+ uint32_t *ret1)
+{
+ int32_t ret = 0L;
+ uint32_t request_ops;
+
+ request_ops = (uint32_t)x1;
+
+ switch (request_ops) {
+ case MTK_SIP_APU_START_MCU:
+ /* setup addr[33:32] in reviser */
+ mmio_write_32(REVISER_SECUREFW_CTXT, 0U);
+ mmio_write_32(REVISER_USDRFW_CTXT, 0U);
+
+ /* setup secure sideband */
+ mmio_write_32(AO_SEC_FW,
+ (SEC_FW_NON_SECURE << SEC_FW_SHIFT_NS) |
+ (0U << SEC_FW_DOMAIN_SHIFT));
+
+ /* setup boot address */
+ mmio_write_32(AO_MD32_BOOT_CTRL, 0U);
+
+ /* setup pre-define region */
+ mmio_write_32(AO_MD32_PRE_DEFINE,
+ (PRE_DEFINE_CACHE_TCM << PRE_DEFINE_SHIFT_0G) |
+ (PRE_DEFINE_CACHE << PRE_DEFINE_SHIFT_1G) |
+ (PRE_DEFINE_CACHE << PRE_DEFINE_SHIFT_2G) |
+ (PRE_DEFINE_CACHE << PRE_DEFINE_SHIFT_3G));
+
+ /* release runstall */
+ mmio_write_32(AO_MD32_SYS_CTRL, SYS_CTRL_RUN);
+
+ INFO("[APUSYS] rev(0x%08x,0x%08x)\n",
+ mmio_read_32(REVISER_SECUREFW_CTXT),
+ mmio_read_32(REVISER_USDRFW_CTXT));
+ INFO("[APUSYS] ao(0x%08x,0x%08x,0x%08x,0x%08x,0x%08x)\n",
+ mmio_read_32(AO_SEC_FW),
+ mmio_read_32(AO_SEC_USR_FW),
+ mmio_read_32(AO_MD32_BOOT_CTRL),
+ mmio_read_32(AO_MD32_PRE_DEFINE),
+ mmio_read_32(AO_MD32_SYS_CTRL));
+ break;
+ case MTK_SIP_APU_STOP_MCU:
+ /* hold runstall */
+ mmio_write_32(AO_MD32_SYS_CTRL, SYS_CTRL_STALL);
+
+ INFO("[APUSYS] md32_boot_ctrl=0x%08x,runstall=0x%08x\n",
+ mmio_read_32(AO_MD32_BOOT_CTRL),
+ mmio_read_32(AO_MD32_SYS_CTRL));
+ break;
+ default:
+ ERROR("%s, unknown request_ops=0x%x\n", __func__, request_ops);
+ break;
+ }
+
+ return ret;
+}
diff --git a/plat/mediatek/mt8195/drivers/apusys/mtk_apusys.h b/plat/mediatek/mt8195/drivers/apusys/mtk_apusys.h
new file mode 100644
index 0000000..2659daf
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/apusys/mtk_apusys.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MTK_APUSYS_H
+#define MTK_APUSYS_H
+
+#include <stdint.h>
+
+/* setup the SMC command ops */
+#define MTK_SIP_APU_START_MCU 0x00U
+#define MTK_SIP_APU_STOP_MCU 0x01U
+
+/* AO Register */
+#define AO_MD32_PRE_DEFINE (APUSYS_APU_S_S_4_BASE + 0x00)
+#define AO_MD32_BOOT_CTRL (APUSYS_APU_S_S_4_BASE + 0x04)
+#define AO_MD32_SYS_CTRL (APUSYS_APU_S_S_4_BASE + 0x08)
+#define AO_SEC_FW (APUSYS_APU_S_S_4_BASE + 0x10)
+#define AO_SEC_USR_FW (APUSYS_APU_S_S_4_BASE + 0x14)
+
+#define PRE_DEFINE_CACHE_TCM 0x3U
+#define PRE_DEFINE_CACHE 0x2U
+#define PRE_DEFINE_SHIFT_0G 0U
+#define PRE_DEFINE_SHIFT_1G 2U
+#define PRE_DEFINE_SHIFT_2G 4U
+#define PRE_DEFINE_SHIFT_3G 6U
+
+#define SEC_FW_NON_SECURE 1U
+#define SEC_FW_SHIFT_NS 4U
+#define SEC_FW_DOMAIN_SHIFT 0U
+
+#define SEC_USR_FW_NON_SECURE 1U
+#define SEC_USR_FW_SHIFT_NS 4U
+#define SEC_USR_FW_DOMAIN_SHIFT 0U
+
+#define SYS_CTRL_RUN 0U
+#define SYS_CTRL_STALL 1U
+
+/* Reviser Register */
+#define REVISER_SECUREFW_CTXT (APUSYS_SCTRL_REVISER_BASE + 0x100)
+#define REVISER_USDRFW_CTXT (APUSYS_SCTRL_REVISER_BASE + 0x104)
+
+int32_t apusys_kernel_ctrl(uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4,
+ uint32_t *ret1);
+#endif /* MTK_APUSYS_H */
diff --git a/plat/mediatek/mt8195/include/plat_sip_calls.h b/plat/mediatek/mt8195/include/plat_sip_calls.h
index ce25c6f..5562a67 100644
--- a/plat/mediatek/mt8195/include/plat_sip_calls.h
+++ b/plat/mediatek/mt8195/include/plat_sip_calls.h
@@ -10,7 +10,7 @@
/*******************************************************************************
* Plat SiP function constants
******************************************************************************/
-#define MTK_PLAT_SIP_NUM_CALLS 4
+#define MTK_PLAT_SIP_NUM_CALLS 6
/* DFD */
#define MTK_SIP_KERNEL_DFD_AARCH32 0x82000205
@@ -20,4 +20,8 @@
#define MTK_SIP_DP_CONTROL_AARCH32 0x82000523
#define MTK_SIP_DP_CONTROL_AARCH64 0xC2000523
+/* APUSYS SMC call */
+#define MTK_SIP_APUSYS_CONTROL_AARCH32 0x8200051E
+#define MTK_SIP_APUSYS_CONTROL_AARCH64 0xC200051E
+
#endif /* PLAT_SIP_CALLS_H */
diff --git a/plat/mediatek/mt8195/plat_sip_calls.c b/plat/mediatek/mt8195/plat_sip_calls.c
index ddc7502..7d3c512 100644
--- a/plat/mediatek/mt8195/plat_sip_calls.c
+++ b/plat/mediatek/mt8195/plat_sip_calls.c
@@ -9,6 +9,7 @@
#include <mt_dp.h>
#include <mt_spm.h>
#include <mt_spm_vcorefs.h>
+#include <mtk_apusys.h>
#include <mtk_sip_svc.h>
#include <plat_dfd.h>
#include "plat_sip_calls.h"
@@ -41,6 +42,11 @@
ret = dfd_smc_dispatcher(x1, x2, x3, x4);
SMC_RET1(handle, ret);
break;
+ case MTK_SIP_APUSYS_CONTROL_AARCH32:
+ case MTK_SIP_APUSYS_CONTROL_AARCH64:
+ ret = apusys_kernel_ctrl(x1, x2, x3, x4, &ret_val);
+ SMC_RET2(handle, ret, ret_val);
+ break;
default:
ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
break;
diff --git a/plat/mediatek/mt8195/platform.mk b/plat/mediatek/mt8195/platform.mk
index ef7ff81..b8034fe 100644
--- a/plat/mediatek/mt8195/platform.mk
+++ b/plat/mediatek/mt8195/platform.mk
@@ -14,6 +14,7 @@
-I${MTK_PLAT}/common/drivers/timer/ \
-I${MTK_PLAT}/common/drivers/uart/ \
-I${MTK_PLAT}/common/lpm/ \
+ -I${MTK_PLAT_SOC}/drivers/apusys/ \
-I${MTK_PLAT_SOC}/drivers/dcm \
-I${MTK_PLAT_SOC}/drivers/dfd \
-I${MTK_PLAT_SOC}/drivers/dp/ \
@@ -59,6 +60,7 @@
${MTK_PLAT_SOC}/aarch64/platform_common.c \
${MTK_PLAT_SOC}/aarch64/plat_helpers.S \
${MTK_PLAT_SOC}/bl31_plat_setup.c \
+ ${MTK_PLAT_SOC}/drivers/apusys/mtk_apusys.c \
${MTK_PLAT_SOC}/drivers/dcm/mtk_dcm.c \
${MTK_PLAT_SOC}/drivers/dcm/mtk_dcm_utils.c \
${MTK_PLAT_SOC}/drivers/dfd/plat_dfd.c \