1 files changed, 0 insertions, 95 deletions
diff --git a/src/drivers/storage/storage_erase.c b/src/drivers/storage/storage_erase.c
deleted file mode 100644
index 004a200154..0000000000
--- a/src/drivers/storage/storage_erase.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Copyright 2008, Freescale Semiconductor, Inc
- * Andy Fleming
- *
- * Copyright 2013 Google Inc.  All rights reserved.
- * Copyright 2017 Intel Corporation
- *
- * MultiMediaCard (MMC), eMMC and Secure Digital (SD) erase support code.
- * This code is controller independent.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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 <console/console.h>
-#include "sd_mmc.h"
-#include "storage.h"
-
-uint64_t storage_block_erase(struct storage_media *media, uint64_t start,
-	uint64_t count)
-{
-	struct mmc_command cmd;
-	struct sd_mmc_ctrlr *ctrlr = media->ctrlr;
-
-	if (storage_block_setup(media, start, count, 0) == 0)
-		return 0;
-
-	cmd.cmdidx = MMC_CMD_ERASE_GROUP_START;
-	cmd.resp_type = CARD_RSP_R1;
-	cmd.cmdarg = start;
-	cmd.flags = 0;
-
-	if (ctrlr->send_cmd(ctrlr, &cmd, NULL))
-		return 0;
-
-	cmd.cmdidx = MMC_CMD_ERASE_GROUP_END;
-	cmd.cmdarg = start + count - 1;
-	cmd.resp_type = CARD_RSP_R1;
-	cmd.flags = 0;
-
-	if (ctrlr->send_cmd(ctrlr, &cmd, NULL))
-		return 0;
-
-	cmd.cmdidx = MMC_CMD_ERASE;
-	cmd.cmdarg = MMC_TRIM_ARG;	/* just unmap blocks */
-	cmd.resp_type = CARD_RSP_R1;
-	cmd.flags = 0;
-
-	if (ctrlr->send_cmd(ctrlr, &cmd, NULL))
-		return 0;
-
-	size_t erase_blocks;
-	/*
-	 * Timeout for TRIM operation on one erase group is defined as:
-	 * TRIM timeout = 300ms x TRIM_MULT
-	 *
-	 * This timeout is expressed in units of 100us to sd_mmc_send_status.
-	 *
-	 * Hence, timeout_per_erase_block = TRIM timeout * 1000us/100us;
-	 */
-	size_t timeout_per_erase_block = (media->trim_mult * 300) * 10;
-	int err = 0;
-
-	erase_blocks = ALIGN_UP(count, media->erase_blocks)
-		/ media->erase_blocks;
-
-	while (erase_blocks) {
-		/*
-		 * To avoid overflow of timeout value, loop in calls to
-		 * sd_mmc_send_status for erase_blocks number of times.
-		 */
-		err = sd_mmc_send_status(media, timeout_per_erase_block);
-
-		/* Send status successful, erase action complete. */
-		if (err == 0)
-			break;
-
-		erase_blocks--;
-	}
-
-	/* Total timeout done. Still status not successful. */
-	if (err) {
-		sd_mmc_error("TRIM operation not successful within timeout.\n");
-		return 0;
-	}
-
-	return count;
-}