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Generify jedec functions by introducing an address mask

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The patch converts jedec functions into mask-based generics which can
be used for many chip provided the only changes are the addresses are
converted from 0x5555/0x2AAA to 0x555/0x2AA or similar.

The patch mostly changes jedec.c, but a few other files are changed
because they use the jedec functions within their own functions.

The patch also adds a copyright line to flashchips.c because of my
recent work in converting AMD and Atmel chips to use struct erase_block.

Corresponding to flashrom svn r828.

Signed-off-by: Sean Nelson <audiohacked@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Sean Nelson
2010-01-04 17:15:23 +00:00
parent 009c51b062
commit c57a920f34
10 changed files with 150 additions and 112 deletions
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4
flash.h
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@ -144,6 +144,9 @@ enum chipbustype {
*/
#define NUM_ERASEFUNCTIONS 5
#define FEATURE_REGISTERMAP (1 << 0)
#define FEATURE_BYTEWRITES (1 << 1)
struct flashchip {
const char *vendor;
const char *name;
@ -160,6 +163,7 @@ struct flashchip {
int total_size;
int page_size;
int feature_bits;
/*
* Indicate if flashrom has been tested with this flash chip and if