/* IO设备上电枚举过程 初始化过程*/
BSP_S32 SLAVE_IOEnumCfg(BSP_VOID)
{
BSP_U32 i = 0;
/* Check if the core is ready for programming */
//sdio_set_init_ios(1);
#ifndef SLAVE_DEBUG
for(i=0;i < CARD_RDY_TIMEOUT;i++)
#else
while(1)
#endif
{
if(SLAVE_GetReady() & PROG_REG_CARD_RDY)
{
break;
}
msleep(10);
}
if(i >= CARD_RDY_TIMEOUT)
{
//BSP_TRACE(BSP_LOG_LEVEL_ERROR, BSP_MODU_SLAVE, "card not ready!\n");
printk("card not ready!\n");
return SLAVE_ERR_RETRY_TIMEOUT;
}
/* config ESW_CCCR register */
SLAVE_Version_Set(FALSE); /*默认设置成2.0模式*/
//SLAVE_Version_Set(TRUE); /*默认设置成3.0模式*/
#ifdef SLAVE_CFG_SHS_SUPPORT
SLAVE_SHS_Support(BSP_TRUE);
#else
SLAVE_SHS_Support(BSP_FALSE);
#endif
#ifdef SLAVE_CFG_UHS_SUPPORT
SLAVE_UHS_Support(BSP_TRUE);
#else
SLAVE_UHS_Support(BSP_FALSE);
#endif
/* config FUN1 IO OCR register */
BSP_REG_WRITE(g_u32SlaveBase,ESW_OCR_REG,OCR_REG_VOLTAGE_RANGE);
/* config ESW FBR1 Register */
BSP_REG_WRITE(g_u32SlaveBase,ESW_FBR_REG,PROG_REG_ESW_FBR);
/* program FUN1 IOR1 register,set function 1 as ready status */
SLAVE_Fun1_Ready();
/* 设置超时值,cmd11电压切换等待时间 */
BSP_REG_WRITE(g_u32SlaveBase,CLK_DELAY_TIMER,TIME_OUT_VALUE);//timeout
/*set IO access support register*/
SLAVE_IO_Mode(IO_SPEED_MODE);
//BSP_TRACE(g_u32SlaveBase, BSP_MODU_SLAVE, "device enum succuss!\n");
printk("device enum succuss!\n");
return SLAVE_OK;
}
BSP_S32 hal_sdio_S2MRdySend(BSP_U32 Length)
{
/* set AHB_TRANS_CNT */
BSP_REG_WRITE(g_u32SlaveBase,AHB_TRANS_CNT,Length);
/*set FUN1_RD_DATA_RDY bit to 1*/
BSP_REG_WRITE(g_u32SlaveBase,FUN1_RD_DATA_RDY,1);
return BSP_OK;
}
/*SD2.0 or SD3.0模式设置*/
BSP_VOID SLAVE_Version_Set(BSP_BOOL bflag)
{
/*set SD2.0 or SD3.0模式 1:SD3.0, 0:SD2.0*/
if(bflag)
{
BSP_REG_WRITE(g_u32SlaveBase,ESW_CCCR_REG,PROG_REG_ESW_CCCR_30);
}
else
{
BSP_REG_WRITE(g_u32SlaveBase,ESW_CCCR_REG,PROG_REG_ESW_CCCR_20);
}
}
/*voltage switch sequence*/
BSP_VOID SLAVE_VolSwt()
{
BSP_U32 u32reg;
/*启动计数器，5MS内完成电压切换过程*/
BSP_REG_READ(g_u32SlaveBase,UHS_SUPPORT,u32reg);
u32reg |= 0x4; //set Card accept volt bit
BSP_REG_WRITE(g_u32SlaveBase,UHS_SUPPORT,u32reg);
u32reg |= 0x8; //set sd_clk_line_switched bit
BSP_REG_WRITE(g_u32SlaveBase,UHS_SUPPORT,u32reg);
u32reg |= 0x10; //set sd_cmd_line switch bit
BSP_REG_WRITE(g_u32SlaveBase,UHS_SUPPORT,u32reg);
}
/* set function enable or disable */
BSP_VOID SLAVE_fun1_switch(BSP_BOOL bMode)
{
/* Enable the function, enable and clear interrupts */
if (bMode)
{
/* 设置FUN1 IOR RDY bit */
BSP_REG_WRITE(g_u32SlaveBase,ESW_IOR_REG,0x01);
BSP_REG_WRITE(g_u32SlaveBase,AHB_FUN1_INT_ENABLE,FUN1_INT_BITS_ALL);
BSP_REG_WRITE(g_u32SlaveBase,AHB_FUN1_INT_STATUS,GLOBAL_INT_BITS_ALL);
}
else
{ /* 清除 FUN1 IOR RDY bit */
BSP_REG_WRITE(g_u32SlaveBase,ESW_IOR_REG,0x0);
BSP_REG_WRITE(g_u32SlaveBase,AHB_FUN1_INT_ENABLE,0x0);
}
}
/*io access mode set*/
BSP_VOID SLAVE_IO_Mode(BSP_U32 value)
{
BSP_U32 u32Reg;
/*set IO access support register*/
BSP_REG_READ(g_u32SlaveBase,IO_ACCESS_MODE,u32Reg);
u32Reg |= value;
BSP_REG_WRITE(g_u32SlaveBase,IO_ACCESS_MODE,u32Reg);
}
BSP_VOID SLAVE_CSA_Support(BSP_BOOL bSup)
{
BSP_U32 u32RegValue = 0;
BSP_REG_READ(g_u32SlaveBase,ESW_FBR_REG,u32RegValue);
if(bSup)
{
u32RegValue |= 0x10;
}
else
{
u32RegValue &= ~0x10;
}
BSP_REG_WRITE(g_u32SlaveBase,ESW_FBR_REG,u32RegValue);
}
void slave_reinit()
{
SLAVE_Version_Set(FALSE); /*默认设置成2.0模式*/
//SLAVE_Version_Set(TRUE); /*默认设置成3.0模式*/
#ifdef SLAVE_CFG_SHS_SUPPORT
SLAVE_SHS_Support(BSP_TRUE);
#else
SLAVE_SHS_Support(BSP_FALSE);
#endif
#ifdef SLAVE_CFG_UHS_SUPPORT
SLAVE_UHS_Support(BSP_TRUE);
#else
SLAVE_UHS_Support(BSP_FALSE);
#endif
/* config FUN1 IO OCR register */
BSP_REG_WRITE(g_u32SlaveBase,ESW_OCR_REG,OCR_REG_VOLTAGE_RANGE);
/* config ESW FBR1 Register */
BSP_REG_WRITE(g_u32SlaveBase,ESW_FBR_REG,PROG_REG_ESW_FBR);
/* program FUN1 IOR1 register,set function 1 as ready status */
SLAVE_Fun1_Ready();
/* 设置超时值,cmd11电压切换等待时间 */
BSP_REG_WRITE(g_u32SlaveBase,CLK_DELAY_TIMER,TIME_OUT_VALUE);//timeout
/*set IO access support register*/
SLAVE_IO_Mode(IO_SPEED_MODE);
SLAVE_Fun_Ready();
/* 使能中断 */
SLAVE_IntMask_Global(GLOBAL_INT_BITS_ALL);
SLAVE_IntMask_Fun0(FUN0_INT_BITS_ALL);
SLAVE_IntMask_Fun1(FUN1_INT_BITS_ALL);
}
u32 bsp_om_timer_start(void)
{
u32 readValueTmp;
u32 u32Times = 100;
u32 i = 0;
/* Set up in periodic mode */
BSP_REG_WRITE(OM_TIMER_STAMP_BASE,0x8, 0x0);
/* Load Timer Reload value into Timer registers */
BSP_REG_WRITE (OM_TIMER_STAMP_BASE,0x0, 0xffffffff);
/* 查询计数器使能是否生效 */
do
{
BSP_REG_READ(OM_TIMER_STAMP_BASE,0x8, readValueTmp);
readValueTmp = readValueTmp&0x10;
i++;
}while((!readValueTmp)&&(i<u32Times));
BSP_REG_WRITE(OM_TIMER_STAMP_BASE,0x8, 0x5);
return OK;
}
/*高速模式支持*/
BSP_VOID SLAVE_SHS_Support(BSP_BOOL bSpi)
{
BSP_U32 value = 0;
BSP_REG_READ(g_u32SlaveBase,ESW_CCCR_REG,value);
if(bSpi)
{
value |= PROG_ESW_CCCR_SHS;
}
else
{
value &= ~PROG_ESW_CCCR_SHS;
}
BSP_REG_WRITE(g_u32SlaveBase,ESW_CCCR_REG,value);
}
/*UHS模式支持*/
BSP_VOID SLAVE_UHS_Support(BSP_BOOL bUhs)
{
BSP_U32 value = 0;
BSP_REG_READ(g_u32SlaveBase,UHS_SUPPORT,value);
if(bUhs)
{
value |= 0x1;
}
else
{
value &= ~0x1;
}
BSP_REG_WRITE(g_u32SlaveBase,UHS_SUPPORT,value);
}
/*msg transfer slave->host*/
BSP_VOID hal_sdio_S2MMsgSend(BSP_U32 u32Msg)
{
/*first set Fun1_rd_data_rdy bit*/
(BSP_VOID)hal_sdio_S2MRdySend(sizeof(u32Msg));
BSP_REG_WRITE(g_u32SlaveBase,ARM_GENERAL_PURPOSE,u32Msg);
}
BSP_VOID SLAVE_Rst()
{
/*设置复位管脚*/
BSP_REG_WRITE(g_u32SlaveBase,SOFT_RESET_VALID,0x1);
}
