步骤一:发送`post_code(0x40, 0x00)`指令去开始jedec_init。 post_code(0x04, 0x00); 步骤二:函数通过`isbM32m`指令控制DDRPHY发送RESET信号去复位DDR3模块,之后需要delay 200us(在非仿真状态下,仿真状态下只需要delay 2us)。 // Assert RESET# for 200us isbM32m(DDRPHY, CCDDR3RESETCTL, BIT1, (BI...
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寄存器0:ID Code Register This is a read-only register which returns a 32-bit device ID code 这是一个只读寄存器,它存放微处理器的标识码。 The ID code register is accessed by reading CP15 register 0 with the opcode_2 field set to any value other than 1(the CRm field should be zero whe...
mrc unveils a revamped front-end for the m-Power Development Platform--creating the fastest low-code platform on the market. With this latest release, mrc redesigned and rebuilt m-Power’s front-end from the ground up. Read More⟶
发送post_code(0x07, 0x00)开始read train。 初始化变量设置。 定义了BACKUP_RDQS宏(使用默认值) for (channel_i=0; channel_i<NUM_CHANNELS; channel_i++) { if (mrc_params->channel_enables & (1<<channel_i)) { for (rank_i=0; rank_i<NUM_RANKS; rank_i++) { if (mrc_params->rank_...
寄存器0:ID Code Register This is a read-only register which returns a 32-bit device ID code 这是一个只读寄存器,它存放微处理器的标识码。 The ID code register is accessed by reading CP15 register 0 with the opcode_2 field set to any value other than 1(the CRm field should be zero whe...
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HS Code HS GPA HS KerA HS Maxim HS&B HS&E HS-CONFORM hs-CRP hs-CRP HS-DPCCH HS-DSCH HS-FACH HS-HSR HS-MACA HS-MR-CCSD HS-MRC HS-MUX HS-PDSCH HS-RACH HS-SCCH HS-SICH HS-STEM HS-tk HS-WS HS. HS. HS.76067 HS/HC
memory reference code(MRC)是内存初始化参考代码,它一般由CPU厂商(Intel/AMD)开发,并经过大量测试 MRC在运行的时候会读取内存条上SPD(serial presence detect)的信息 2楼2022-07-27 18:21 回复 不动声-色 SPD的读取方式是通过SMBus,一种I2C总线的扩展。SMbus的地址在很多Intel的平台上是A0、A2、A4和A6(...