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author | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2014-08-03 13:05:34 +0000 |
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committer | Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> | 2014-08-03 13:05:34 +0000 |
commit | ef3ac8ac17eac9d2041ea9c9e711a9b059412b59 (patch) | |
tree | e5fec0cda5a546133a7440f65da442329ec3db48 /pm49fl00x.c | |
parent | 2a41f0a2c0daeb0ee2a38a252ab96135d70a6b81 (diff) | |
download | flashrom-ef3ac8ac17eac9d2041ea9c9e711a9b059412b59.tar.gz flashrom-ef3ac8ac17eac9d2041ea9c9e711a9b059412b59.tar.bz2 flashrom-ef3ac8ac17eac9d2041ea9c9e711a9b059412b59.zip |
Refactor unlocking of many chips with locking at register space address +2
This includes PMC Pm49*, SST 49LF00*, ST M50* and Winbond W39* families.
The erase and write test status bits of all affected chips have been reset.
Corresponding to flashrom svn r1833.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Diffstat (limited to 'pm49fl00x.c')
-rw-r--r-- | pm49fl00x.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/pm49fl00x.c b/pm49fl00x.c deleted file mode 100644 index fe28d2b8e..000000000 --- a/pm49fl00x.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * This file is part of the flashrom project. - * - * Copyright (C) 2004 Tyan Corporation - * Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com> - * Copyright (C) 2007 Reinder E.N. de Haan <lb_reha@mveas.com> - * - * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "flash.h" - -static void write_lockbits_49fl00x(const struct flashctx *flash, - unsigned int size, unsigned char bits, - unsigned int block_size) -{ - unsigned int i, left = size; - chipaddr bios = flash->virtual_registers; - - for (i = 0; left >= block_size; i++, left -= block_size) { - /* pm49fl002 */ - if (block_size == 16384 && i % 2) - continue; - - chip_writeb(flash, bits, bios + (i * block_size) + 2); - } -} - -int unlock_49fl00x(struct flashctx *flash) -{ - write_lockbits_49fl00x(flash, flash->chip->total_size * 1024, 0, - flash->chip->page_size); - return 0; -} - -int lock_49fl00x(struct flashctx *flash) -{ - write_lockbits_49fl00x(flash, flash->chip->total_size * 1024, 1, - flash->chip->page_size); - return 0; -} |