| /* |
| * Copyright 2007 David Gibson, IBM Corporation. |
| * |
| * Based on earlier code: |
| * Matt Porter <mporter@kernel.crashing.org> |
| * Copyright 2002-2005 MontaVista Software Inc. |
| * |
| * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> |
| * Copyright (c) 2003, 2004 Zultys Technologies |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| #include <stddef.h> |
| #include "types.h" |
| #include "string.h" |
| #include "stdio.h" |
| #include "ops.h" |
| #include "reg.h" |
| #include "dcr.h" |
| |
| /* Read the 44x memory controller to get size of system memory. */ |
| void ibm44x_fixup_memsize(void) |
| { |
| int i; |
| unsigned long memsize, bank_config; |
| |
| memsize = 0; |
| for (i = 0; i < ARRAY_SIZE(sdram_bxcr); i++) { |
| mtdcr(DCRN_SDRAM0_CFGADDR, sdram_bxcr[i]); |
| bank_config = mfdcr(DCRN_SDRAM0_CFGDATA); |
| |
| if (bank_config & SDRAM_CONFIG_BANK_ENABLE) |
| memsize += SDRAM_CONFIG_BANK_SIZE(bank_config); |
| } |
| |
| dt_fixup_memory(0, memsize); |
| } |
