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| author | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2014-08-03 13:05:34 +0000 |
|---|---|---|
| committer | Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> | 2014-08-03 13:05:34 +0000 |
| commit | ef3ac8ac17eac9d2041ea9c9e711a9b059412b59 (patch) | |
| tree | e5fec0cda5a546133a7440f65da442329ec3db48 /sst49lfxxxc.c | |
| parent | 2a41f0a2c0daeb0ee2a38a252ab96135d70a6b81 (diff) | |
| download | ast2050-flashrom-ef3ac8ac17eac9d2041ea9c9e711a9b059412b59.zip ast2050-flashrom-ef3ac8ac17eac9d2041ea9c9e711a9b059412b59.tar.gz | |
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 'sst49lfxxxc.c')
| -rw-r--r-- | sst49lfxxxc.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/sst49lfxxxc.c b/sst49lfxxxc.c index 3d17b5b..d6c85c8 100644 --- a/sst49lfxxxc.c +++ b/sst49lfxxxc.c @@ -23,45 +23,6 @@ #include "flash.h" #include "chipdrivers.h" -static int write_lockbits_block_49lfxxxc(struct flashctx *flash, - unsigned long address, - unsigned char bits) -{ - unsigned long lock = flash->virtual_registers + address + 2; - msg_cdbg("lockbits at address=0x%08lx is 0x%01x\n", lock, - chip_readb(flash, lock)); - chip_writeb(flash, bits, lock); - - return 0; -} - -static int write_lockbits_49lfxxxc(struct flashctx *flash, unsigned char bits) -{ - chipaddr registers = flash->virtual_registers; - unsigned int i, left = flash->chip->total_size * 1024; - unsigned long address; - - msg_cdbg("\nbios=0x%08" PRIxPTR "\n", registers); - for (i = 0; left > 65536; i++, left -= 65536) { - write_lockbits_block_49lfxxxc(flash, i * 65536, bits); - } - address = i * 65536; - write_lockbits_block_49lfxxxc(flash, address, bits); - address += 32768; - write_lockbits_block_49lfxxxc(flash, address, bits); - address += 8192; - write_lockbits_block_49lfxxxc(flash, address, bits); - address += 8192; - write_lockbits_block_49lfxxxc(flash, address, bits); - - return 0; -} - -int unlock_49lfxxxc(struct flashctx *flash) -{ - return write_lockbits_49lfxxxc(flash, 0); -} - int erase_sector_49lfxxxc(struct flashctx *flash, unsigned int address, unsigned int sector_size) { |
