intel/e1000e/ich8lan.c

99 static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank);
3285  *  e1000_valid_nvm_bank_detect_ich8lan - finds out the valid bank 0 or 1
3287  *  @bank:  pointer to the variable that returns the active bank
3290  *  Word 0x13 bits 15:14 = 10b indicate a valid signature for that bank.
3292 static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
3314 		/* set bank to 0 in case flash read fails */
3315 		*bank = 0;
3317 		/* Check bank 0 */
3325 			*bank = 0;
3329 		/* Check bank 1 */
3338 			*bank = 1;
3342 		e_dbg("ERROR: No valid NVM bank present\n");
3350 				*bank = 1;
3352 				*bank = 0;
3356 		e_dbg("Unable to determine valid NVM bank via EEC - reading flash signature\n");
3359 		/* set bank to 0 in case flash read fails */
3360 		*bank = 0;
3362 		/* Check bank 0 */
3369 			*bank = 0;
3373 		/* Check bank 1 */
3381 			*bank = 1;
3385 		e_dbg("ERROR: No valid NVM bank present\n");
3406 	u32 bank = 0;
3420 	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
3422 		e_dbg("Could not detect valid bank, assuming bank 0\n");
3423 		bank = 0;
3426 	act_offset = (bank) ? nvm->flash_bank_size : 0;
3499 	u32 bank = 0;
3511 	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
3513 		e_dbg("Could not detect valid bank, assuming bank 0\n");
3514 		bank = 0;
3517 	act_offset = (bank) ? nvm->flash_bank_size : 0;
3917  *  ram are then committed to the EEPROM by processing each bank at a time
3926 	u32 i, act_offset, new_bank_offset, old_bank_offset, bank;
3939 	/* We're writing to the opposite bank so if we're on bank 1,
3940 	 * write to bank 0 etc.  We also need to erase the segment that
3943 	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
3945 		e_dbg("Could not detect valid bank, assuming bank 0\n");
3946 		bank = 0;
3949 	if (bank == 0) {
3964 		 * in the other NVM bank or a modified value stored
3998 		/* Write the data to the new bank. Offset in words */
4078  *  ram are then committed to the EEPROM by processing each bank at a time
4087 	u32 i, act_offset, new_bank_offset, old_bank_offset, bank;
4100 	/* We're writing to the opposite bank so if we're on bank 1,
4101 	 * write to bank 0 etc.  We also need to erase the segment that
4104 	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
4106 		e_dbg("Could not detect valid bank, assuming bank 0\n");
4107 		bank = 0;
4110 	if (bank == 0) {
4148 		/* Write the bytes to the new bank. */
4584  *  e1000_erase_flash_bank_ich8lan - Erase a bank (4k) from NVM
4586  *  @bank: 0 for first bank, 1 for second bank, etc.
4588  *  Erases the bank specified. Each bank is a 4k block. Banks are 0 based.
4589  *  bank N is 4096 * N + flash_reg_addr.
4591 static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
4597 	/* bank size is in 16bit words - adjust to bytes */
4609 	 *     can be calculated as = bank * 4096 + n * 256
4612 	 *     as = bank * 4096
4613 	 * 10: The Hw sector is 8K bytes, nth sector = bank * 8192
4615 	 * 11: The Hw sector is 64K bytes, nth sector = bank * 65536
4641 	flash_linear_addr += (bank) ? flash_bank_size : 0;
5821 	u32 bank = 0;
5855 		if (e1000_valid_nvm_bank_detect_ich8lan(hw, &bank)) {