[coreboot] [RFC] flashrom: Add feature bitfield

[jtd]

On Sunday 11 May 2008 20:58, Carl-Daniel Hailfinger wrote:

> I'd like to introduce another field into struct flashchip: u32
> flags. flags would hold a bit for every supported (and important)
> opcode and one bit for every variant of a supported opcode. Example
> follows:
>
> #define SPIFLAG_CHIP_ERASE_60 (1<<0)
> #define SPIFLAG_CHIP_ERASE_C7 (1<<1)
> #define SPIFLAG_BLOCK_ERASE_52 (1<<2)
> #define SPIFLAG_BLOCK_ERASE_D8 (1<<3)
> #define SPIFLAG_SECTOR_ERASE_20 (1<<4)
> #define SPIFLAG_BYTE_PROGRAM_BYTE (1<<16) //only one byte per
> command #define SPIFLAG_BYTE_PROGRAM_PAGE (1<<17) //256 bytes per
> command

AT45DB321D 32Mb (4MB) device has user configurable page size of 512 or 
528 bytes.

-- 
Rgds
JTD