soc/marvell/mvmap2315: Add MCU driver

Testing: booted successfully.

Change-Id: I003f6929b00476d46be931773cd35418fe6622a6
Signed-off-by: Hakim Giydan <hgiydan@marvell.com>
Reviewed-on: https://review.coreboot.org/15529
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

2 files changed, 120 insertions, 0 deletions

diff --git a/src/soc/marvell/mvmap2315/include/soc/addressmap.h b/src/soc/marvell/mvmap2315/include/soc/addressmap.h
index 198e8d4374..25bf9d8d1a 100644
--- a/src/soc/marvell/mvmap2315/include/soc/addressmap.h
+++ b/src/soc/marvell/mvmap2315/include/soc/addressmap.h
@@ -33,6 +33,8 @@
 #define MVMAP2315_GPIOH_BASE		0xE0142200
 #define MVMAP2315_WDT0_BASE		0XE1010000
 #define MVMAP2315_WDT1_BASE		0XE1020000
+#define MVMAP2315_SP_IPC_BASE		0xED0C2000
+#define MVMAP2315_MCU_MSG_BUFF_BASE	0xEE03FF8C
 
 #define MVMAP2315_A2BUS_BANKED_BASE	0xF0000000
 #define MVMAP2315_A2BUS_ALIAS6_BASE	0xF0002000
diff --git a/src/soc/marvell/mvmap2315/include/soc/mcu.h b/src/soc/marvell/mvmap2315/include/soc/mcu.h
new file mode 100644
index 0000000000..99fc5f3d00
--- /dev/null
+++ b/src/soc/marvell/mvmap2315/include/soc/mcu.h
@@ -0,0 +1,118 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Marvell, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __SOC_MARVELL_MVMAP2315_MCU_H__
+#define __SOC_MARVELL_MVMAP2315_MCU_H__
+
+#include <stdint.h>
+
+#include <soc/addressmap.h>
+#include <types.h>
+
+#define MVMAP2315_MCU_MSG_OFFSET			0xCE000000
+
+enum {
+	GET_HASH = 0x0,
+	ABORT_HASH = 0x1,
+	START_HASH = 0x2,
+	SYNC_HASH = 0x3,
+};
+
+enum {
+	ABORT = 0x0,
+	FINISHED = 0x1,
+	BUSY = 0x2
+};
+
+enum {
+	MSG_READY = 1,
+	MSG_RECEIVED = 8,
+	MSG_READY_RECEIVED = 9,
+};
+
+struct sp_hash_request_msg {
+	u8 protocol_version;
+	u8 csum;
+	u16 cmd_id;
+	u8 cmd_version;
+	u8 reserved0;
+	u16 length;
+	u8 hash_subcmd;
+	u8 hash_type;
+	u8 nonce_size;
+	u8 reserved1;
+	u32 offset;
+	u32 size;
+	u8 nonce_data[64];
+};
+
+check_member(sp_hash_request_msg, nonce_data, 0x14);
+static struct sp_hash_request_msg * const mvmap2315_mcu_msg_buff
+					= (void *)MVMAP2315_MCU_MSG_BUFF_BASE;
+
+struct mcu_hash_msg {
+	u8 protocol_version;
+	u8 csum;
+	u16 result;
+	u16 length;
+	u8 status;
+	u8 type;
+	u8 digest_size;
+	u8 reserved0;
+	u32 offset;
+	u32 size;
+	u8 digest_data[64];
+};
+
+struct mcu_pwr_status_msg {
+	u8 protocol_version;
+	u8 csum;
+	u16 cmd_id;
+	u8 cmd_version;
+	u8 reserved;
+	u16 length;
+	u8 status;
+};
+
+#define MVMAP2315_IPC_IRQSET_MSGSENT			BIT(0)
+#define MVMAP2315_IPC_IRQCLR_MSGREADY			BIT(0)
+#define MVMAP2315_IPC_IRQCLR_MSGRECEIVED		BIT(3)
+#define MVMAP2315_IPC_IRQACK				BIT(3)
+#define MVMAP2315_MCU_IPC_IRQ				BIT(6)
+struct mvmap2315_ipc_regs {
+	u32 isrr;
+	u32 wdr0;
+	u32 wdr1;
+	u32 isrw;
+	u32 icr;
+	u32 iir;
+	u32 rdr0;
+	u32 rdr1;
+	u32 maj_mid_rev;
+	u32 cfg_rev;
+	u32 dummy;
+};
+
+check_member(mvmap2315_ipc_regs, dummy, 0x28);
+static struct mvmap2315_ipc_regs * const mvmap2315_sp_ipc
+					= (void *)MVMAP2315_SP_IPC_BASE;
+
+void mcu_irq(void);
+void send_mcu_msg(void *msg, u32 size);
+void *receive_mcu_msg(void);
+void sned_hash_msg(u8 subcmd);
+void *receive_hash_msg_respond(void);
+
+#endif /* __SOC_MARVELL_MVMAP2315_MCU_H__ */