1 files changed, 0 insertions, 280 deletions
diff --git a/chip/g/board_id.c b/chip/g/board_id.c
deleted file mode 100644
index 6a7309e739..0000000000
--- a/chip/g/board_id.c
+++ /dev/null
@@ -1,280 +0,0 @@
-/* Copyright 2017 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.
- */
-
-#include "common.h"
-#include "board_id.h"
-#include "endian.h"
-#include "extension.h"
-#include "flash_info.h"
-#include "system.h"
-#include "util.h"
-
-#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args)
-#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ## args)
-
-#define BLANK_FIELD 0xffffffff
-
-/**
- * Return the image header for the current image copy
- */
-const struct SignedHeader *get_current_image_header(void)
-{
-	return (const struct SignedHeader *)
-			get_program_memory_addr(system_get_image_copy());
-}
-
-int board_id_type_is_blank(const struct board_id *id)
-{
-	return (id->type & id->type_inv) == BLANK_FIELD;
-}
-
-static int board_id_flags_are_blank(const struct board_id *id)
-{
-	return id->flags == BLANK_FIELD;
-}
-
-int board_id_is_blank(const struct board_id *id)
-{
-	return board_id_type_is_blank(id) && board_id_flags_are_blank(id);
-}
-
-uint32_t check_board_id_vs_header(const struct board_id *id,
-				  const struct SignedHeader *h)
-{
-	uint32_t mismatch;
-	uint32_t header_board_id_type;
-	uint32_t header_board_id_mask;
-	uint32_t header_board_id_flags;
-
-	/* Blank Board ID matches all headers */
-	if (board_id_is_blank(id))
-		return 0;
-
-	header_board_id_type = SIGNED_HEADER_PADDING ^ h->board_id_type;
-	header_board_id_mask = SIGNED_HEADER_PADDING ^ h->board_id_type_mask;
-	header_board_id_flags = SIGNED_HEADER_PADDING ^ h->board_id_flags;
-
-	/*
-	 * All 1-bits in header Board ID flags must be present in flags from
-	 * flash
-	 */
-	mismatch =
-		((header_board_id_flags & id->flags) != header_board_id_flags);
-	/*
-	 * Masked bits in header Board ID type must match type and inverse from
-	 * flash.
-	 */
-	if (!mismatch && !board_id_type_is_blank(id)) {
-		mismatch = header_board_id_type ^ id->type;
-		mismatch |= header_board_id_type ^ ~id->type_inv;
-		mismatch &= header_board_id_mask;
-	}
-	return mismatch;
-}
-
-int read_board_id(struct board_id *id)
-{
-	uint32_t *id_p;
-	int i;
-
-	/*
-	 * Board ID structure size is guaranteed to be divisible by 4, and it
-	 * is guaranteed to be aligned at 4 bytes.
-	 */
-
-	id_p = (uint32_t *)id;
-
-	for (i = 0; i < sizeof(*id); i += sizeof(uint32_t)) {
-		int rv;
-
-		rv = flash_physical_info_read_word
-			(INFO_BOARD_ID_OFFSET + i, id_p);
-		if (rv != EC_SUCCESS) {
-			CPRINTF("%s: failed to read word %d, error %d\n",
-				__func__, i, rv);
-			return rv;
-		}
-		id_p++;
-	}
-	return EC_SUCCESS;
-}
-
-uint32_t board_id_mismatch(const struct SignedHeader *sh)
-{
-	struct board_id id;
-
-	if (!sh)
-		/* Get header of the currently running image. */
-		sh = get_current_image_header();
-
-	/* Get Board ID from INFO1. */
-	if (read_board_id(&id) != EC_SUCCESS) {
-		/*
-		 * On failure, set id fields to 0.  This will only match an
-		 * unrestricted image header (board_id_mask=board_id_flags=0),
-		 * which would run on any Board ID.
-		 *
-		 * Don't return error, because that would prevent all images
-		 * from running.
-		 */
-		id.type = id.type_inv = id.flags = 0;
-	}
-
-	return check_board_id_vs_header(&id, sh);
-}
-
-/**
- * Write board ID into the flash INFO1 space.
- *
- * @param id	Pointer to a Board ID structure to copy into INFO1
- *
- * @return EC_SUCCESS or an error code in cases of various failures to read or
- *              if the space has been already initialized.
- */
-static int write_board_id(struct board_id *id)
-{
-	struct board_id id_test;
-	uint32_t rv;
-
-	/* Fail if Board ID is already programmed */
-	rv = read_board_id(&id_test);
-	if (rv != EC_SUCCESS) {
-		CPRINTS("%s: error reading Board ID", __func__);
-		return rv;
-	}
-
-	if (!board_id_is_blank(&id_test)) {
-		if (!board_id_type_is_blank(&id_test)) {
-			CPRINTS("%s: Board ID already programmed", __func__);
-			return EC_ERROR_ACCESS_DENIED;
-		}
-		CPRINTS("%s: using old flags.", __func__);
-		id->flags = id_test.flags;
-	}
-
-	/*
-	 * Make sure the current header will still validate against the
-	 * proposed values.  If it doesn't, then programming these values
-	 * would cause the next boot to fail.
-	 */
-	if (check_board_id_vs_header(id, get_current_image_header()) != 0) {
-		CPRINTS("%s: Board ID wouldn't allow current header", __func__);
-		return EC_ERROR_INVAL;
-	}
-
-	flash_info_write_enable();
-
-	/* Write Board ID */
-	rv = flash_info_physical_write(INFO_BOARD_ID_OFFSET +
-			 offsetof(struct info1_board_space, bid),
-				       sizeof(*id), (const char *)id);
-	if (rv != EC_SUCCESS)
-		CPRINTS("%s: write failed", __func__);
-
-	flash_info_write_disable();
-
-	return rv;
-}
-
-static enum vendor_cmd_rc vc_set_board_id(enum vendor_cmd_cc code,
-					  void *buf,
-					  size_t input_size,
-					  size_t *response_size)
-{
-	struct board_id id;
-	uint8_t *pbuf = buf;
-
-	*response_size = 1;
-
-	/* Exactly two fields are expected. */
-	if (input_size != sizeof(id.type) + sizeof(id.flags)) {
-		*pbuf = VENDOR_RC_BOGUS_ARGS;
-		return VENDOR_RC_BOGUS_ARGS;
-	}
-
-	memcpy(&id.type, pbuf, sizeof(id.type));
-	id.type = be32toh(id.type);
-	if (id.type == BLANK_FIELD)
-		id.type_inv = BLANK_FIELD;
-	else
-		id.type_inv = ~id.type;
-
-	memcpy(&id.flags, pbuf + sizeof(id.type), sizeof(id.flags));
-	id.flags = be32toh(id.flags);
-
-	/* We care about the LSB only. */
-	*pbuf = write_board_id(&id);
-
-	return *pbuf;
-}
-DECLARE_VENDOR_COMMAND(VENDOR_CC_SET_BOARD_ID, vc_set_board_id);
-
-static int command_board_id(int argc, char **argv)
-{
-	struct board_id id;
-	int rv = EC_ERROR_PARAM_COUNT;
-
-	if (argc == 1) {
-		rv = read_board_id(&id);
-
-		if (rv != EC_SUCCESS) {
-			ccprintf("Failed to read board ID space\n");
-			return rv;
-		}
-		ccprintf("Board ID: %08x:%08x, flags %08x\n", id.type,
-			 id.type_inv, id.flags);
-
-		if (board_id_is_blank(&id))
-			return rv; /* The space is not initialized. */
-
-		if (!board_id_type_is_blank(&id) && id.type != ~id.type_inv)
-			ccprintf("Inv Type Mismatch (%08x instead of %08x)!\n",
-				 id.type_inv, ~id.type);
-	}
-#ifdef CR50_DEV
-	else if (argc == 3) {
-		char *e;
-
-		id.type = strtoi(argv[1], &e, 0);
-		if (*e)
-			return EC_ERROR_PARAM1;
-		id.type_inv = ~id.type;
-		id.flags = strtoi(argv[2], &e, 0);
-		if (*e)
-			return EC_ERROR_PARAM2;
-		rv = write_board_id(&id);
-	}
-#endif
-	return rv;
-}
-DECLARE_SAFE_CONSOLE_COMMAND(bid, command_board_id,
-#ifdef CR50_DEV
-			     "[bid flags]",
-#else
-			     NULL,
-#endif
-			     "Set/Get Board ID");
-
-static enum vendor_cmd_rc vc_get_board_id(enum vendor_cmd_cc code,
-					  void *buf,
-					  size_t input_size,
-					  size_t *response_size)
-{
-	struct board_id id;
-
-	if (read_board_id(&id))
-		return VENDOR_RC_READ_FLASH_FAIL;
-
-	/* Convert to line representation. */
-	id.type = htobe32(id.type);
-	id.type_inv = htobe32(id.type_inv);
-	id.flags = htobe32(id.flags);
-
-	memcpy(buf, &id, sizeof(id));
-	*response_size = sizeof(id);
-
-	return VENDOR_RC_SUCCESS;
-}
-DECLARE_VENDOR_COMMAND(VENDOR_CC_GET_BOARD_ID, vc_get_board_id);