| #ifndef __SHARPLHF00L04_H__ |
| #define __SHARPLHF00L04_H__ 1 |
| |
| extern int probe_lhf00l04(struct flashchip *flash); |
| extern int erase_lhf00l04(struct flashchip *flash); |
| extern int write_lhf00l04(struct flashchip *flash, uint8_t *buf); |
| extern __inline__ void toggle_ready_lhf00l04(volatile uint8_t *dst) |
| { |
| unsigned int i = 0; |
| uint8_t tmp1, tmp2; |
| |
| tmp1 = *dst & 0x40; |
| |
| while (i++ < 0xFFFFFF) { |
| tmp2 = *dst & 0x40; |
| if (tmp1 == tmp2) { |
| break; |
| } |
| tmp1 = tmp2; |
| } |
| } |
| |
| extern __inline__ void data_polling_lhf00l04(volatile uint8_t *dst, |
| uint8_t data) |
| { |
| unsigned int i = 0; |
| uint8_t tmp; |
| |
| data &= 0x80; |
| |
| while (i++ < 0xFFFFFF) { |
| tmp = *dst & 0x80; |
| if (tmp == data) { |
| break; |
| } |
| } |
| } |
| |
| extern __inline__ void protect_lhf00l04(volatile uint8_t *bios) |
| { |
| *(volatile uint8_t *)(bios + 0x5555) = 0xAA; |
| *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; |
| *(volatile uint8_t *)(bios + 0x5555) = 0xA0; |
| |
| usleep(200); |
| } |
| |
| #endif /* !__SHARPLHF00L04_H__ */ |