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@ -237,6 +237,21 @@ int get_clocks (void) |
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static long init_pll_866 (long clk); |
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/* Adjust sdram refresh rate to actual CPU clock.
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*/ |
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static int sdram_adjust_866(void) |
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{ |
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volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; |
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long mamr; |
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mamr = immr->im_memctl.memc_mamr; |
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mamr &= ~MAMR_PTA_MSK; |
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mamr |= ((gd->cpu_clk / CONFIG_SYS_PTA_PER_CLK) << MAMR_PTA_SHIFT); |
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immr->im_memctl.memc_mamr = mamr; |
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return 0; |
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} |
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/* This function sets up PLL (init_pll_866() is called) and
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* fills gd->cpu_clk and gd->bus_clk according to the environment |
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* variable 'cpuclk' or to CONFIG_8xx_CPUCLK_DEFAULT (if 'cpuclk' |
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@ -278,22 +293,7 @@ int get_clocks(void) |
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} |
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immr->im_clkrst.car_sccr = sccr_reg; |
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return (0); |
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} |
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/* Adjust sdram refresh rate to actual CPU clock.
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*/ |
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int sdram_adjust_866 (void) |
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{ |
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volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; |
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long mamr; |
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mamr = immr->im_memctl.memc_mamr; |
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mamr &= ~MAMR_PTA_MSK; |
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mamr |= ((gd->cpu_clk / CONFIG_SYS_PTA_PER_CLK) << MAMR_PTA_SHIFT); |
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immr->im_memctl.memc_mamr = mamr; |
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return (0); |
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return sdram_adjust_866(); |
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} |
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/* Configure PLL for MPC866/859/885 CPU series
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