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Adding fixed sdram setting for cornet_ds board

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800, 900, 1000, 1200MT/s data rate parameters are added for fixed sdram
setting. SPD based parameters and fixed parameters can be toggled by hwconfig.
To use fixed parameters,

hwconfig=fsl_ddr:sdram=fixed

To use SPD parameters,

hwconfig=fsl_ddr:ctlr_intlv=cacheline,bank_intlv=cs0_cs1

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
York Sun
2010-10-18 13:46:49 -07:00
committed by Kumar Gala
parent 84bc00300f
commit 28a966715b
6 changed files with 495 additions and 76 deletions
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6
arch/powerpc/include/asm/fsl_ddr_sdram.h
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@@ -213,4 +213,10 @@ typedef struct memctl_options_s {
} memctl_options_t;
extern phys_size_t fsl_ddr_sdram(void);
typedef struct fixed_ddr_parm{
int min_freq;
int max_freq;
fsl_ddr_cfg_regs_t *ddr_settings;
} fixed_ddr_parm_t;
#endif