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powerpc/8xxx: Move fsl_is_spd() into generic 8xxx ddr code

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Move the parsing of hwconfig to determine if to use spd into common code
so we can share it across all boards instead of duplicating it
everywhere.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2011-01-09 14:06:28 -06:00
parent ae026ffd1e
commit 3dbd5d7d7e
3 changed files with 25 additions and 18 deletions
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22
arch/powerpc/cpu/mpc8xxx/ddr/options.c
View File

@ -1,5 +1,5 @@
/*
* Copyright 2008, 2010 Freescale Semiconductor, Inc.
* Copyright 2008, 2010-2011 Freescale Semiconductor, Inc.
*
* 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
@ -387,3 +387,23 @@ void check_interleaving_options(fsl_ddr_info_t *pinfo)
"Memory controller interleaving disabled.\n");
}
}
int fsl_use_spd(void)
{
int use_spd = 0;
#ifdef CONFIG_DDR_SPD
/* if hwconfig is not enabled, or "sdram" is not defined, use spd */
if (hwconfig_sub("fsl_ddr", "sdram")) {
if (hwconfig_subarg_cmp("fsl_ddr", "sdram", "spd"))
use_spd = 1;
else if (hwconfig_subarg_cmp("fsl_ddr", "sdram", "fixed"))
use_spd = 0;
else
use_spd = 1;
} else
use_spd = 1;
#endif
return use_spd;
}

3
arch/powerpc/include/asm/fsl_ddr_sdram.h
View File

@ -1,5 +1,5 @@
/*
* Copyright 2008-2010 Freescale Semiconductor, Inc.
* Copyright 2008-2011 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -213,6 +213,7 @@ typedef struct memctl_options_s {
} memctl_options_t;
extern phys_size_t fsl_ddr_sdram(void);
extern int fsl_use_spd(void);
/*
* The 85xx boards have a common prototype for fixed_sdram so put the

18
board/freescale/corenet_ds/ddr.c
View File

@ -1,5 +1,5 @@
/*
* Copyright 2009-2010 Freescale Semiconductor, Inc.
* Copyright 2009-2011 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -288,24 +288,10 @@ void fsl_ddr_board_options(memctl_options_t *popts,
phys_size_t initdram(int board_type)
{
phys_size_t dram_size;
int use_spd = 0;
puts("Initializing....");
#ifdef CONFIG_DDR_SPD
/* if hwconfig is not enabled, or "sdram" is not defined, use spd */
if (hwconfig_sub("fsl_ddr", "sdram")) {
if (hwconfig_subarg_cmp("fsl_ddr", "sdram", "spd"))
use_spd = 1;
else if (hwconfig_subarg_cmp("fsl_ddr", "sdram", "fixed"))
use_spd = 0;
else
use_spd = 1;
} else
use_spd = 1;
#endif
if (use_spd) {
if (fsl_use_spd()) {
puts("using SPD\n");
dram_size = fsl_ddr_sdram();
} else {