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Diffstat (limited to 'Host/libnxt-0.3/flash.c')
-rw-r--r--Host/libnxt-0.3/flash.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/Host/libnxt-0.3/flash.c b/Host/libnxt-0.3/flash.c
deleted file mode 100644
index d757ce2..0000000
--- a/Host/libnxt-0.3/flash.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/**
- * NXT bootstrap interface; NXT flash chip code.
- *
- * Copyright 2006 David Anderson <david.anderson@calixo.net>
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-#include <stdio.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-
-#include "error.h"
-#include "lowlevel.h"
-#include "samba.h"
-#include "flash.h"
-
-enum nxt_flash_commands
-{
- FLASH_CMD_LOCK = 0x2,
- FLASH_CMD_UNLOCK = 0x4,
-};
-
-nxt_error_t
-nxt_flash_wait_ready(nxt_t *nxt)
-{
- nxt_word_t flash_status;
-
- do
- {
- NXT_ERR(nxt_read_word(nxt, 0xFFFFFF68, &flash_status));
-
- /* Bit 0 is the FRDY field. Set to 1 if the flash controller is
- * ready to run a new command.
- */
- } while (!(flash_status & 0x1));
-
- return NXT_OK;
-}
-
-static nxt_error_t
-nxt_flash_alter_lock(nxt_t *nxt, int region_num,
- enum nxt_flash_commands cmd)
-{
- nxt_word_t w = 0x5A000000 | ((64 * region_num) << 8);
- w += cmd;
-
- NXT_ERR(nxt_flash_wait_ready(nxt));
-
- /* Flash mode register: FCMN 0x5, FWS 0x1
- * Flash command register: KEY 0x5A, FCMD = clear-lock-bit (0x4)
- * Flash mode register: FCMN 0x34, FWS 0x1
- */
- NXT_ERR(nxt_write_word(nxt, 0xFFFFFF60, 0x00050100));
- NXT_ERR(nxt_write_word(nxt, 0xFFFFFF64, w));
- NXT_ERR(nxt_write_word(nxt, 0xFFFFFF60, 0x00340100));
-
- return NXT_OK;
-}
-
-
-nxt_error_t
-nxt_flash_lock_region(nxt_t *nxt, int region_num)
-{
- return nxt_flash_alter_lock(nxt, region_num, FLASH_CMD_LOCK);
-}
-
-
-nxt_error_t
-nxt_flash_unlock_region(nxt_t *nxt, int region_num)
-{
- return nxt_flash_alter_lock(nxt, region_num, FLASH_CMD_UNLOCK);
-}
-
-
-nxt_error_t
-nxt_flash_lock_all_regions(nxt_t *nxt)
-{
- int i;
-
- for (i = 0; i < 16; i++)
- NXT_ERR(nxt_flash_lock_region(nxt, i));
-
- return NXT_OK;
-}
-
-
-nxt_error_t
-nxt_flash_unlock_all_regions(nxt_t *nxt)
-{
- int i;
-
- for (i = 0; i < 16; i++)
- NXT_ERR(nxt_flash_unlock_region(nxt, i));
-
- return NXT_OK;
-}