| extern int probe_82802ab (struct flashchip * flash); |
| extern int erase_82802ab (struct flashchip * flash); |
| extern int write_82802ab (struct flashchip * flash, char * buf); |
| |
| extern __inline__ void toggle_ready_82802ab (volatile char * dst) |
| { |
| unsigned int i = 0; |
| char tmp1, tmp2; |
| |
| tmp1 = *dst & 0x40; |
| |
| while (i++ < 0xFFFFFF) { |
| tmp2 = *dst & 0x40; |
| if (tmp1 == tmp2) { |
| break; |
| } |
| tmp1 = tmp2; |
| } |
| } |
| |
| extern __inline__ void data_polling_82802ab (volatile char * dst, char data) |
| { |
| unsigned int i = 0; |
| char tmp; |
| |
| data &= 0x80; |
| |
| while (i++ < 0xFFFFFF) { |
| tmp = *dst & 0x80; |
| if (tmp == data) { |
| break; |
| } |
| } |
| } |
| |
| extern __inline__ void protect_82802ab (volatile char * bios) |
| { |
| *(volatile char *) (bios + 0x5555) = 0xAA; |
| *(volatile char *) (bios + 0x2AAA) = 0x55; |
| *(volatile char *) (bios + 0x5555) = 0xA0; |
| |
| usleep(200); |
| } |
| |