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Diffstat (limited to 'qemu/roms/u-boot/doc/README.cfi')
| -rw-r--r-- | qemu/roms/u-boot/doc/README.cfi | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/qemu/roms/u-boot/doc/README.cfi b/qemu/roms/u-boot/doc/README.cfi deleted file mode 100644 index d087ff0d6..000000000 --- a/qemu/roms/u-boot/doc/README.cfi +++ /dev/null @@ -1,29 +0,0 @@ -The common CFI driver provides this weak default implementation for -flash_cmd_reset(): - -void __flash_cmd_reset(flash_info_t *info) -{ - /* - * We do not yet know what kind of commandset to use, so we issue - * the reset command in both Intel and AMD variants, in the hope - * that AMD flash roms ignore the Intel command. - */ - flash_write_cmd(info, 0, 0, AMD_CMD_RESET); - flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); -} -void flash_cmd_reset(flash_info_t *info) - __attribute__((weak,alias("__flash_cmd_reset"))); - - -Some flash chips seems to have trouble with this reset sequence. In this case -the board specific code can override this weak default version with a board -specific function. For example the digsy_mtc board equipped with the M29W128GH -from Numonyx needs this version to function properly: - -void flash_cmd_reset(flash_info_t *info) -{ - flash_write_cmd(info, 0, 0, AMD_CMD_RESET); -} - -see also: -http://www.mail-archive.com/u-boot@lists.denx.de/msg24368.html |