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powerpc/mpc8xxx: disable rcw_en bit for non-DDR3

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rcw_en bit is only available for DDR3 controllers. It is a reserved bit on
DDR1 and DDR2 controllers.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
York Sun 2011-03-17 11:18:12 -07:00 committed by Kumar Gala
parent 634bc55429
commit 4ca3192946
1 changed files with 2 additions and 0 deletions
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2
arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
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@ -682,7 +682,9 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr,
| ((obc_cfg & 0x1) << 6) | ((obc_cfg & 0x1) << 6)
| ((ap_en & 0x1) << 5) | ((ap_en & 0x1) << 5)
| ((d_init & 0x1) << 4) | ((d_init & 0x1) << 4)
#ifdef CONFIG_FSL_DDR3
| ((rcw_en & 0x1) << 2) | ((rcw_en & 0x1) << 2)
#endif
| ((md_en & 0x1) << 0) | ((md_en & 0x1) << 0)
); );
debug("FSLDDR: ddr_sdram_cfg_2 = 0x%08x\n", ddr->ddr_sdram_cfg_2); debug("FSLDDR: ddr_sdram_cfg_2 = 0x%08x\n", ddr->ddr_sdram_cfg_2);