Table 3-169是KeyStone I的寄存器，你用的K2H 是KeyStone II. KeyStone II Serdes有专门的user guide.
K2上的SGMII SerDes只支持156.25MHz和125MHz的输入时钟，相应的PLL配置也是固定的。直接调用CSL函数就可以了，不需要去研究具体的PLL寄存器.
下面是一段代码供您参考：
typedef struct[ CSL_SERDES_REF_CLOCK inputRefClock; float linkSpeed_GHz; /*the max link speed of all lanes at GHz*/ /*bit 0~3 control the endable/disable of 4 lanes. 0: disable; 1: enable*/ Uint32 laneEnableMask; Uint32 internalLoopbackDisableMask;] K2_GE_SerdesConfig;char * SerdesErrorStr[]=[ "SERDES no error", "SERDES error: invalid input reference clock speed!", "SERDES error: invalid link speed!"];/*Serdes initialization for Giga bit ethernet*/void K2_GE_Serdes_init(K2_GE_SerdesConfig * serdes_cfg, Uint32 uiBase_addr)[ int i; CSL_SERDES_LINK_RATE linkSpeed; CSL_SERDES_LANE_CTRL_RATE laneRateScale; Uint32 uiResult; // Disable pll before configuring the SerDes registers CSL_EthernetSerdesShutdown(uiBase_addr); if(serdes_cfg->linkSpeed_GHz== 1.25f) [ linkSpeed= CSL_SERDES_LINK_RATE_1p25G; laneRateScale = CSL_SERDES_LANE_QUARTER_RATE; //??? ] else printf("Error: link speed %.3fGbps is not supported by SGMIIn",serdes_cfg->linkSpeed_GHz); uiResult= CSL_EthernetSerdesInit(uiBase_addr, serdes_cfg->inputRefClock, linkSpeed); if(uiResult) printf(" %sn", SerdesErrorStr[uiResult]); for(i=0; i<4; i++) [ if((serdes_cfg->laneEnableMask>>i)&1) [ CSL_EthernetSerdesLaneConfig(uiBase_addr, serdes_cfg->inputRefClock, linkSpeed, i); ] ] CSL_EthernetSerdesComEnable(uiBase_addr); for(i=0; i<4; i++) [ if((serdes_cfg->laneEnableMask>>i)&1) [ uiResult= CSL_EthernetSerdesLaneEnable(uiBase_addr, i, (serdes_cfg->internalLoopbackDisableMask>>i)&1, laneRateScale); if(uiResult) printf(" lane %d error: invalid rate scalen", i); ] ] // Enable pll via the pll_ctrl 0x0014 CSL_EthernetSerdesPllEnable(uiBase_addr); // Wait the SerDes PLL lock while(CSL_SERDES_STATUS_PLL_NOT_LOCKED==K2_SerdesPLLGetStatus(uiBase_addr));#if 0 for(i=0; i<4; i++) [ if(((serdes_cfg->laneEnableMask>>i)&1)&&((serdes_cfg->internalLoopbackDisableMask>>i)&1)) [ while(CSL_SERDES_STATUS_PLL_NOT_LOCKED==K2_SerdesLaneGetStatus(uiBase_addr, i)); ] ]#endif] K2_GE_Serdes_init(&serdes_cfg, CSL_NETCP_SERDES_CFG_REGS);
Table 3-169是KeyStone I的寄存器，你用的K2H 是KeyStone II. KeyStone II Serdes有专门的user guide.
K2上的SGMII SerDes只支持156.25MHz和125MHz的输入时钟，相应的PLL配置也是固定的。直接调用CSL函数就可以了，不需要去研究具体的PLL寄存器.
下面是一段代码供您参考：
typedef struct[ CSL_SERDES_REF_CLOCK inputRefClock; float linkSpeed_GHz; /*the max link speed of all lanes at GHz*/ /*bit 0~3 control the endable/disable of 4 lanes. 0: disable; 1: enable*/ Uint32 laneEnableMask; Uint32 internalLoopbackDisableMask;] K2_GE_SerdesConfig;char * SerdesErrorStr[]=[ "SERDES no error", "SERDES error: invalid input reference clock speed!", "SERDES error: invalid link speed!"];/*Serdes initialization for Giga bit ethernet*/void K2_GE_Serdes_init(K2_GE_SerdesConfig * serdes_cfg, Uint32 uiBase_addr)[ int i; CSL_SERDES_LINK_RATE linkSpeed; CSL_SERDES_LANE_CTRL_RATE laneRateScale; Uint32 uiResult; // Disable pll before configuring the SerDes registers CSL_EthernetSerdesShutdown(uiBase_addr); if(serdes_cfg->linkSpeed_GHz== 1.25f) [ linkSpeed= CSL_SERDES_LINK_RATE_1p25G; laneRateScale = CSL_SERDES_LANE_QUARTER_RATE; //??? ] else printf("Error: link speed %.3fGbps is not supported by SGMIIn",serdes_cfg->linkSpeed_GHz); uiResult= CSL_EthernetSerdesInit(uiBase_addr, serdes_cfg->inputRefClock, linkSpeed); if(uiResult) printf(" %sn", SerdesErrorStr[uiResult]); for(i=0; i<4; i++) [ if((serdes_cfg->laneEnableMask>>i)&1) [ CSL_EthernetSerdesLaneConfig(uiBase_addr, serdes_cfg->inputRefClock, linkSpeed, i); ] ] CSL_EthernetSerdesComEnable(uiBase_addr); for(i=0; i<4; i++) [ if((serdes_cfg->laneEnableMask>>i)&1) [ uiResult= CSL_EthernetSerdesLaneEnable(uiBase_addr, i, (serdes_cfg->internalLoopbackDisableMask>>i)&1, laneRateScale); if(uiResult) printf(" lane %d error: invalid rate scalen", i); ] ] // Enable pll via the pll_ctrl 0x0014 CSL_EthernetSerdesPllEnable(uiBase_addr); // Wait the SerDes PLL lock while(CSL_SERDES_STATUS_PLL_NOT_LOCKED==K2_SerdesPLLGetStatus(uiBase_addr));#if 0 for(i=0; i<4; i++) [ if(((serdes_cfg->laneEnableMask>>i)&1)&&((serdes_cfg->internalLoopbackDisableMask>>i)&1)) [ while(CSL_SERDES_STATUS_PLL_NOT_LOCKED==K2_SerdesLaneGetStatus(uiBase_addr, i)); ] ]#endif] K2_GE_Serdes_init(&serdes_cfg, CSL_NETCP_SERDES_CFG_REGS);
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