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Code Issues Releases Wiki Activity

Refactor remaining write wrappers

Browse Source 
Kill duplicated code.

Annotate write functions with their chunk size.

Mark Fujitsu MBM29F400BC and ST M29F400BB as untested because their
write code no longer uses a broken layout.

Corresponding to flashrom svn r1210.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
Tested-by: Maciej Pijanka <maciej.pijanka@gmail.com>
Tested-by: Idwer Vollering <vidwer@gmail.com>
Acked-by: Idwer Vollering <vidwer@gmail.com>
Tested-by: Sean Nelson <audiohacked@gmail.com> 
Acked-by: Sean Nelson <audiohacked@gmail.com>
This commit is contained in:
Carl-Daniel Hailfinger
2010-10-13 21:49:30 +00:00
parent 184b95f449
commit 79e6757d26
7 changed files with 90 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
sst28sf040.c
View File

@@ -30,7 +30,7 @@
#define RESET 0xFF
#define READ_ID 0x90
static void protect_28sf040(struct flashchip *flash)
int protect_28sf040(struct flashchip *flash)
{
chipaddr bios = flash->virtual_memory;
@@ -41,9 +41,11 @@ static void protect_28sf040(struct flashchip *flash)
chip_readb(bios + 0x041B);
chip_readb(bios + 0x0419);
chip_readb(bios + 0x040A);
return 0;
}
static void unprotect_28sf040(struct flashchip *flash)
int unprotect_28sf040(struct flashchip *flash)
{
chipaddr bios = flash->virtual_memory;
@@ -54,12 +56,15 @@ static void unprotect_28sf040(struct flashchip *flash)
chip_readb(bios + 0x041B);
chip_readb(bios + 0x0419);
chip_readb(bios + 0x041A);
return 0;
}
int erase_sector_28sf040(struct flashchip *flash, unsigned int address, unsigned int sector_size)
{
chipaddr bios = flash->virtual_memory;
/* This command sequence is very similar to erase_block_82802ab. */
chip_writeb(AUTO_PG_ERASE1, bios);
chip_writeb(AUTO_PG_ERASE2, bios + address);
@@ -101,10 +106,8 @@ static int erase_28sf040(struct flashchip *flash)
{
chipaddr bios = flash->virtual_memory;
unprotect_28sf040(flash);
chip_writeb(CHIP_ERASE, bios);
chip_writeb(CHIP_ERASE, bios);
protect_28sf040(flash);
programmer_delay(10);
toggle_ready_jedec(bios);
@@ -116,15 +119,10 @@ static int erase_28sf040(struct flashchip *flash)
return 0;
}
/* chunksize is 1 */
int write_28sf040(struct flashchip *flash, uint8_t *buf)
{
unprotect_28sf040(flash);
write_sector_28sf040(flash, buf, 0, flash->total_size * 1024);
protect_28sf040(flash);
return 0;
return write_sector_28sf040(flash, buf, 0, flash->total_size * 1024);
}
int erase_chip_28sf040(struct flashchip *flash, unsigned int addr, unsigned int blocklen)