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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:50:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:50:19 -0700 |
| commit | df6d3916f3b7b7e2067567a256dd4f0c1ea854a2 (patch) | |
| tree | 0fdeab1ab5d566605fc99aeb5ea3f621f11e7608 /arch/powerpc/boot/44x.c | |
| parent | 74add80cbd7fe246c893b93ee75ac59acdd01dd4 (diff) | |
| parent | 197686dfe0038fd190326d118b743ff65ad20c0e (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (77 commits)
[POWERPC] Abolish powerpc_flash_init()
[POWERPC] Early serial debug support for PPC44x
[POWERPC] Support for the Ebony 440GP reference board in arch/powerpc
[POWERPC] Add device tree for Ebony
[POWERPC] Add powerpc/platforms/44x, disable platforms/4xx for now
[POWERPC] MPIC U3/U4 MSI backend
[POWERPC] MPIC MSI allocator
[POWERPC] Enable MSI mappings for MPIC
[POWERPC] Tell Phyp we support MSI
[POWERPC] RTAS MSI implementation
[POWERPC] PowerPC MSI infrastructure
[POWERPC] Rip out the existing powerpc msi stubs
[POWERPC] Remove use of 4level-fixup.h for ppc32
[POWERPC] Add powerpc PCI-E reset API implementation
[POWERPC] Holly bootwrapper
[POWERPC] Holly DTS
[POWERPC] Holly defconfig
[POWERPC] Add support for 750CL Holly board
[POWERPC] Generalize tsi108 PCI setup
[POWERPC] Generalize tsi108 PHY types
...
Fixed conflict in include/asm-powerpc/kdebug.h manually
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/powerpc/boot/44x.c')
| -rw-r--r-- | arch/powerpc/boot/44x.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/powerpc/boot/44x.c b/arch/powerpc/boot/44x.c new file mode 100644 index 000000000000..d51377d9024f --- /dev/null +++ b/arch/powerpc/boot/44x.c @@ -0,0 +1,40 @@ +/* + * 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); +} |