48  *	Branch 0 - 2 channels: channels 0 and 1 (FDB0 PCI dev 21.0)
49  *	Branch 1 - 2 channels: channels 2 and 3 (FDB1 PCI dev 22.0)
54  *	On normal operation mode, the two channels on a branch should be
56  * When in mirrored mode, Branch 1 replicate memory at Branch 0, so, the four
67 #define to_channel(ch, branch)	((((branch)) << 1) | (ch))  argument
69 #define to_csrow(slot, ch, branch)					\  argument
70 		(to_channel(ch, branch) | ((slot) << 2))
125  * Function 1: Memory Branch Map, Control, Errors Register
411 	unsigned branch, channel, bank, rank, cas, ras;  in i7300_process_fbd_error()  local
428 		branch = (GET_FBD_FAT_IDX(error_reg) == 2) ? 1 : 0;  in i7300_process_fbd_error()
450 				     branch, -1, rank,  in i7300_process_fbd_error()
464 		branch = (GET_FBD_NF_IDX(error_reg) == 2) ? 1 : 0;  in i7300_process_fbd_error()
482 		channel = (branch << 1);  in i7300_process_fbd_error()
498 				     branch >> 1, channel % 2, rank,  in i7300_process_fbd_error()
580  * @ch: Channel number within the branch (0 or 1)
581  * @branch: Branch number (0 or 1)
586 		      int slot, int ch, int branch,  in decode_mtr()  argument
592 	channel = to_channel(ch, branch);  in decode_mtr()
594 	mtr = pvt->mtr[slot][branch];  in decode_mtr()
751 	int ch, branch, slot, channel, max_channel, max_branch;  in i7300_init_csrows()  local
767 	for (branch = 0; branch < max_branch; branch++) {  in i7300_init_csrows()
768 		/* Read and dump branch 0's MTRs */  in i7300_init_csrows()
769 		channel = to_channel(0, branch);  in i7300_init_csrows()
770 		pci_read_config_word(pvt->pci_dev_2x_0_fbd_branch[branch],  in i7300_init_csrows()
779 		channel = to_channel(1, branch);  in i7300_init_csrows()
780 		pci_read_config_word(pvt->pci_dev_2x_0_fbd_branch[branch],  in i7300_init_csrows()
787 	/* Get the set of MTR[0-7] regs by each branch */  in i7300_init_csrows()
790 		for (branch = 0; branch < max_branch; branch++) {  in i7300_init_csrows()
791 			pci_read_config_word(pvt->pci_dev_2x_0_fbd_branch[branch],  in i7300_init_csrows()
793 					&pvt->mtr[slot][branch]);  in i7300_init_csrows()
795 				int channel = to_channel(ch, branch);  in i7300_init_csrows()
797 				dimm = edac_get_dimm(mci, branch, ch, slot);  in i7300_init_csrows()
801 				mtr = decode_mtr(pvt, slot, ch, branch,  in i7300_init_csrows()
825 		edac_dbg(2, "MIR%d: limit= 0x%x Branch(es) that participate: %s %s\n",  in decode_mir()
851 	/* Get the Branch Map regs */  in i7300_get_mc_regs()
912 	int branch;  in i7300_put_devices()  local
917 	for (branch = 0; branch < MAX_CH_PER_BRANCH; branch++)  in i7300_put_devices()
918 		pci_dev_put(pvt->pci_dev_2x_0_fbd_branch[branch]);  in i7300_put_devices()
990 			"MC: 'BRANCH 0' device not found:"  in i7300_get_devices()
1001 			"MC: 'BRANCH 1' device not found:"  in i7300_get_devices()