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Diffstat (limited to 'src/soc/marvell/mvmap2315/mcu.c')
-rw-r--r--src/soc/marvell/mvmap2315/mcu.c130
1 files changed, 0 insertions, 130 deletions
diff --git a/src/soc/marvell/mvmap2315/mcu.c b/src/soc/marvell/mvmap2315/mcu.c
deleted file mode 100644
index e634ff8d56..0000000000
--- a/src/soc/marvell/mvmap2315/mcu.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * 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.
- */
-
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-
-#include <arch/io.h>
-#include <console/console.h>
-#include <soc/gic.h>
-#include <soc/mcu.h>
-
-static u8 mvmap2315_calc_checksum(const void *data, u32 size)
-{
- u8 csum;
- const u8 *bytes = data;
- int i;
-
- for (i = csum = 0; i < size; i++)
- csum += bytes[i];
-
- return (~csum) & 0xFF;
-}
-
-void mcu_irq(void)
-{
- printk(BIOS_DEBUG, "waiting for MCU msg...\n");
- while (!(read32(&mvmap2315_bcm_gicd->ispendr2) &
- MVMAP2315_MCU_IPC_IRQ))
- ;
-}
-
-void send_mcu_msg(void *msg, u32 size)
-{
- printk(BIOS_DEBUG, "sending msg to MCU...\n");
- write32(&mvmap2315_sp_ipc->wdr0, (u32)msg);
- setbits_le32(&mvmap2315_sp_ipc->isrw, MVMAP2315_IPC_IRQSET_MSGSENT);
-}
-
-void *receive_mcu_msg(void)
-{
- void *msg;
-
- printk(BIOS_DEBUG, "receiving msg to MCU...\n");
-
- write32(&mvmap2315_sp_ipc->dummy, 0xA5A5A5A5);
-
- switch (read32(&mvmap2315_sp_ipc->iir)) {
- case MSG_READY:
- msg = (void *)(read32(&mvmap2315_sp_ipc->rdr0)
- + MVMAP2315_MCU_MSG_OFFSET);
- setbits_le32(&mvmap2315_sp_ipc->icr,
- MVMAP2315_IPC_IRQCLR_MSGREADY);
- setbits_le32(&mvmap2315_sp_ipc->isrw, MVMAP2315_IPC_IRQACK);
- break;
- case MSG_RECEIVED:
- msg = NULL;
- setbits_le32(&mvmap2315_sp_ipc->icr,
- MVMAP2315_IPC_IRQCLR_MSGRECEIVED);
- break;
- case MSG_READY_RECEIVED:
- msg = (void *)(read32(&mvmap2315_sp_ipc->rdr0)
- + MVMAP2315_MCU_MSG_OFFSET);
- setbits_le32(&mvmap2315_sp_ipc->icr,
- MVMAP2315_IPC_IRQCLR_MSGREADY);
- setbits_le32(&mvmap2315_sp_ipc->icr,
- MVMAP2315_IPC_IRQCLR_MSGRECEIVED);
- setbits_le32(&mvmap2315_sp_ipc->isrw, MVMAP2315_IPC_IRQACK);
-
- break;
- default:
- msg = NULL;
- write32(&mvmap2315_sp_ipc->icr, read32(&mvmap2315_sp_ipc->iir));
- break;
- }
-
- return msg;
-}
-
-void sned_hash_msg(u8 subcmd)
-{
- printk(BIOS_DEBUG, "requesting MCU hash...\n");
-
- mvmap2315_mcu_msg_buff->protocol_version = 0x3;
- mvmap2315_mcu_msg_buff->cmd_id = 0x2A;
- mvmap2315_mcu_msg_buff->reserved0 = 0x0;
- mvmap2315_mcu_msg_buff->length = 76;
- mvmap2315_mcu_msg_buff->csum = 0;
- mvmap2315_mcu_msg_buff->hash_subcmd = subcmd;
- mvmap2315_mcu_msg_buff->hash_type = 0;
- mvmap2315_mcu_msg_buff->nonce_size = 0;
- mvmap2315_mcu_msg_buff->reserved1 = 0;
- mvmap2315_mcu_msg_buff->offset = 0;
- mvmap2315_mcu_msg_buff->size = 32;
- mvmap2315_mcu_msg_buff->csum = mvmap2315_calc_checksum(
- (void *)mvmap2315_mcu_msg_buff,
- sizeof(struct sp_hash_request_msg));
-
- send_mcu_msg((void *)mvmap2315_mcu_msg_buff,
- sizeof(struct sp_hash_request_msg));
-}
-
-void *receive_hash_msg_respond(void)
-{
- struct mcu_hash_msg *mvmap2315_hash_msg_response;
-
- printk(BIOS_DEBUG, "waiting for MCU hash response msg...\n");
-
- mcu_irq();
-
- mvmap2315_hash_msg_response = receive_mcu_msg();
-
- mcu_irq();
-
- receive_mcu_msg();
-
- return mvmap2315_hash_msg_response;
-}