cherry_scp: add initial cherry SCP board

This is basically: cp -r board/asurada_scp board/cherry_scp.

BRANCH=none
BUG=b:184793035
TEST=make BOARD=cherry_scp

Signed-off-by: Tzung-Bi Shih <tzungbi@chromium.org>
Change-Id: I7a035962a5a371587b5bea6f1cd78cd777dcdc8d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2813399
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
Reviewed-by: Eric Yilun Lin <yllin@chromium.org>

5 files changed, 96 insertions, 0 deletions

diff --git a/board/cherry_scp/board.c b/board/cherry_scp/board.c
new file mode 100644
index 0000000000..31f1f069de
--- /dev/null
+++ b/board/cherry_scp/board.c
@@ -0,0 +1,23 @@
+/* Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+/* Cherry SCP configuration */
+
+#include "cache.h"
+#include "csr.h"
+#include "registers.h"
+
+struct mpu_entry mpu_entries[NR_MPU_ENTRIES] = {
+	/* SRAM (for most code, data) */
+	{0, 0x0ffc00, MPU_ATTR_C | MPU_ATTR_W | MPU_ATTR_R},
+	/* SRAM (for IPI shared buffer) */
+	{0x0ffc00, 0x100000, MPU_ATTR_W | MPU_ATTR_R},
+	/* For AP domain */
+	{0x60000000, 0x70000000, MPU_ATTR_W | MPU_ATTR_R},
+	/* For SCP sys */
+	{0x70000000, 0x80000000, MPU_ATTR_W | MPU_ATTR_R},
+	{0x10000000, 0x11400000, MPU_ATTR_W | MPU_ATTR_R},
+};
+
+#include "gpio_list.h"
diff --git a/board/cherry_scp/board.h b/board/cherry_scp/board.h
new file mode 100644
index 0000000000..16d9bdf063
--- /dev/null
+++ b/board/cherry_scp/board.h
@@ -0,0 +1,33 @@
+/* Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Cherry SCP configuration */
+
+#ifndef __CROS_EC_BOARD_H
+#define __CROS_EC_BOARD_H
+
+#include "baseboard.h"
+
+/*
+ * RW only, no flash
+ * +-------------------- 0x0
+ * | ROM vectortable, .text, .rodata, .data LMA
+ * +-------------------- 0x58000
+ * | RAM .bss, .data
+ * +-------------------- 0x0ffc00
+ * | Reserved (padding for 1k-alignment)
+ * +-------------------- 0x0ffdb0
+ * | IPI shared buffer with AP (288 + 8) * 2
+ * +-------------------- 0x100000
+ */
+#define CONFIG_ROM_BASE 0x0
+#define CONFIG_RAM_BASE 0x58000
+#define CONFIG_ROM_SIZE (CONFIG_RAM_BASE - CONFIG_ROM_BASE)
+#define CONFIG_RAM_SIZE ((CONFIG_IPC_SHARED_OBJ_ADDR & (~(0x400 - 1))) - \
+			 CONFIG_RAM_BASE)
+
+#define SCP_FW_END 0x100000
+
+#endif /* __CROS_EC_BOARD_H */
diff --git a/board/cherry_scp/build.mk b/board/cherry_scp/build.mk
new file mode 100644
index 0000000000..7f47a6e709
--- /dev/null
+++ b/board/cherry_scp/build.mk
@@ -0,0 +1,13 @@
+# -*- makefile -*-
+# Copyright 2021 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# Board specific files build
+#
+
+CHIP:=mt8192_scp
+CHIP_VARIANT:=mt8192
+BASEBOARD:=mtscp-rv32i
+
+board-y=board.o
diff --git a/board/cherry_scp/ec.tasklist b/board/cherry_scp/ec.tasklist
new file mode 100644
index 0000000000..f0e97e0ffe
--- /dev/null
+++ b/board/cherry_scp/ec.tasklist
@@ -0,0 +1,17 @@
+/* Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/**
+ * See CONFIG_TASK_LIST in config.h for details.
+ */
+
+#define CONFIG_TASK_LIST \
+	TASK_ALWAYS(HOOKS, hook_task, NULL, LARGER_TASK_STACK_SIZE) \
+	TASK_ALWAYS(HOSTCMD, host_command_task, NULL, LARGER_TASK_STACK_SIZE) \
+	TASK_ALWAYS(CONSOLE, console_task, NULL, LARGER_TASK_STACK_SIZE) \
+	TASK_ALWAYS(VDEC_SERVICE, vdec_service_task, NULL, TRENTA_TASK_STACK_SIZE) \
+	TASK_ALWAYS(VDEC_CORE_SERVICE, vdec_core_service_task, NULL, TRENTA_TASK_STACK_SIZE) \
+	TASK_ALWAYS(VENC_SERVICE, venc_service_task, NULL, TRENTA_TASK_STACK_SIZE) \
+	TASK_ALWAYS(MDP_SERVICE, mdp_service_task, NULL, TRENTA_TASK_STACK_SIZE)
diff --git a/board/cherry_scp/gpio.inc b/board/cherry_scp/gpio.inc
new file mode 100644
index 0000000000..48b397b9a9
--- /dev/null
+++ b/board/cherry_scp/gpio.inc
@@ -0,0 +1,10 @@
+/* -*- mode:c -*-
+ *
+ * Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Unimplemented signals which we need to emulate for now */
+UNIMPLEMENTED(ENTERING_RW)
+UNIMPLEMENTED(WP_L)