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@@ -110,10 +110,6 @@
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#define DDR_CFG_0 *((volatile unsigned int *)(AHB_SYS_BASE + 0x210))
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#define DDR_CFG_1 *((volatile unsigned int *)(AHB_SYS_BASE + 0x214))
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-
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-#define DDR_RATE 1600
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-
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-
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#define DDR3_1600
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#ifdef DDR3_1600
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@@ -265,26 +261,22 @@ int DDRTraining(void)
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//#if 1
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unsigned int ddr3_sdramc_init(void)
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{
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- unsigned i;
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int dll_frange=0;
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//softa
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SYS_SOFT_RST_N_B = 0xfffffffd;
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udelay (1); //
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- if(DDR_RATE<400)
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- dll_frange = 0;
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- else if(400<=DDR_RATE<600)
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- dll_frange = 1;
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- else if(600<=DDR_RATE<700)
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- dll_frange = 2;
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- else if(700<=DDR_RATE<800)
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- dll_frange = 3;
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- else if(800<=DDR_RATE<900)
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- dll_frange = 4;
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- else if(900<=DDR_RATE<1000)
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- dll_frange = 5;
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- else if(1000<=DDR_RATE<1200)
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- dll_frange = 6;
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- else if(1200<=DDR_RATE)
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+
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+ /*
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+ dll_frange ddr data rate(freq*2)
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+ 0 : [0-400)
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+ 1 : [400-600)
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+ 2 : [600-700)
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+ 3 : [700-800)
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+ 4 : [800-900)
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+ 5 : [900-1000)
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+ 6 : [1000-1200)
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+ 7 : [1200-1600)
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+ */
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dll_frange = 7;
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DDR_CFG_0 = 0x06060860|(dll_frange<<28);
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//apb_sys, DDR_CFG_1
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