/*
************************************************************************************************************
*
* function
*
* name :
*
* parmeters :
*
* return :
*
* note :
*
*
************************************************************************************************************
*/
void sunxi_dma_init(void)
{
int i;
sunxi_dma_int_set *dma_int = (sunxi_dma_int_set *)SUNXI_DMA_BASE;
dma_int->irq_en0 = 0;
dma_int->irq_en1 = 0;
dma_int->irq_pending0 = 0xffffffff;
dma_int->irq_pending1 = 0xffffffff;
memset((void *)dma_channal_source, 0, SUNXI_DMA_MAX * sizeof(struct sunxi_dma_source_t));
for(i=0;i<SUNXI_DMA_MAX;i++)
{
dma_channal_source[i].used = 0;
dma_channal_source[i].channal = (struct sunxi_dma_channal_set_t *)(SUNXI_DMA_BASE + i * SUNXI_DMA_CHANANL_SIZE + 0x100);
dma_channal_source[i].config = (sunxi_dma_start_t *)malloc_noncache(sizeof(sunxi_dma_start_t));
}
dma_int_count = 0;
irq_install_handler(AW_IRQ_DMA, sunxi_dma_int_func, 0);
return ;
}
/*
************************************************************************************************************
*
* function
*
* name :
*
* parmeters :
*
* return :
*
* note :
*
*
************************************************************************************************************
*/
void sunxi_dma_init(void)
{
int i;
sunxi_dma_int_set *dma_int = (sunxi_dma_int_set *)SUNXI_DMA_BASE;
dma_int->irq_en0 = 0;
dma_int->irq_en1 = 0;
dma_int->irq_pending0 = 0xffffffff;
dma_int->irq_pending1 = 0xffffffff;
memset((void *)dma_channal_source, 0, SUNXI_DMA_MAX * sizeof(struct sunxi_dma_source_t));
for(i=0;i<SUNXI_DMA_MAX;i++)
{
dma_channal_source[i].used = 0;
dma_channal_source[i].channal = (struct sunxi_dma_channal_set_t *)(SUNXI_DMA_BASE + i * SUNXI_DMA_CHANANL_SIZE + 0x100);
dma_channal_source[i].config = (sunxi_dma_start_t *)malloc_noncache(sizeof(sunxi_dma_start_t));
}
dma_int_count = 0;
irq_install_handler(AW_IRQ_DMA, sunxi_dma_int_func, 0);
#if defined(CONFIG_ARCH_SUN8IW3P1)||defined(CONFIG_ARCH_SUN8IW5P1)||defined(CONFIG_ARCH_SUN8IW6P1)||defined(CONFIG_ARCH_SUN8IW8P1)
{
u32 reg_val;
//auto MCLK gating disable
reg_val = *(volatile unsigned int *)(SUNXI_DMA_BASE + 0x20);
reg_val &= ~7;
reg_val |= 4;
*(volatile unsigned int *)(SUNXI_DMA_BASE + 0x20) = reg_val;
}
#endif
return ;
}
/*
************************************************************************************************************
*
* function
*
* name :
*
* parmeters :
*
* return :
*
* note : usb初始化动作，完成后，即可开启中断后，使用中断处理程序
*
*
************************************************************************************************************
*/
int sunxi_usb_init(int delaytime)
{
if(sunxi_udev_active->state_init())
{
printf("sunxi usb err: fail to init usb device\n");
return -1;
}
//预先关闭usb中断
irq_disable(AW_IRQ_USB_OTG);
//初始化 sunxi_udc用到的资源
memset(&sunxi_udc_source, 0, sizeof(sunxi_udc_t));
sunxi_udc_source.standard_reg = (struct usb_device_request *)malloc_noncache(sizeof(struct usb_device_request));
if(!sunxi_udc_source.standard_reg)
{
printf("sunxi usb err: fail to malloc memory for standard reg\n");
return -1;
}
//断开usb
SUSB_Dev_ConectSwitch(USBC_DEVICE_SWITCH_OFF);
SUBS_Dev_CoreReset();
//预先关闭usb时钟
usb_close_clock();
//延时 delaytime ms
__msdelay(delaytime);
//假定usb运行在高速模式下
sunxi_udc_source.address = 0;
sunxi_udc_source.speed = USB_SPEED_HIGH;
usb_mem_cfg.bulk_ep_max = HIGH_SPEED_EP_MAX_PACKET_SIZE;
usb_mem_cfg.phy_out_ep = SUSB_Dev_Log_to_Physical_Ep(SUNXI_USB_BULK_OUT_EP_INDEX, 1);
usb_mem_cfg.phy_in_ep = SUSB_Dev_Log_to_Physical_Ep(SUNXI_USB_BULK_IN_EP_INDEX, 0);
usb_mem_cfg.ep0_maxpkt = 512;
usb_mem_cfg.xfer_res = 0;
memset(&sunxi_ubuf, 0, sizeof(sunxi_ubuf_t));
//malloc memory for rx buffer
sunxi_ubuf.rx_base_buffer = (uchar *)malloc(1024);
if(!sunxi_ubuf.rx_base_buffer)
{
printf("sunxi usb err: fail to malloc memory for rx command buffer\n");
goto __sunxi_usb_init_fail;
}
sunxi_ubuf.rx_req_buffer = sunxi_ubuf.rx_base_buffer;
//open clock
usb_open_clock();
//Alloc Event Buffer
if(__usb_prepare_mem())
{
printf("sunxi usb err : SUSB_Alloc_Event_Buffer failed\n");
goto __sunxi_usb_init_fail;
}
//Setup Event Buffer
SUSB_Event_Buffers_Setup(usb_mem_cfg.event_buf[0]);
//Make sure that USB Disconnect
SUSB_Dev_ConectSwitch(USBC_DEVICE_SWITCH_OFF);
//设置为device模式
SUSB_Force_Role(USBC_ID_TYPE_DEVICE);
//Enable Phy
SUSB_Dev_PHY_Config(1, USBC_TS_MODE_HS);
//Config FIFO Size
SUSB_Config_Dev_Size();
//加强信号的驱动能力
SUSB_EnhanceSignal();
//Select Speed Mode: default high speed
#if defined(CONFIG_SUSB_1_1_DEVICE)
SUSB_Dev_ConfigTransferMode(USBC_TS_MODE_FS);
#elif defined(CONFIG_SUSB_2_0_DEVICE)
SUSB_Dev_ConfigTransferMode(USBC_TS_MODE_HS);
#elif defined(CONFIG_SUSB_3_0_DEVICE)
SUSB_Dev_ConfigTransferMode(USBC_TS_MODE_SS);
#else
#endif
/* disable all interrupt */
SUSB_Dev_Interrupt_Ctl(0);
/* begin interrupt that need */
SUSB_Dev_Interrupt_Ctl(SUSB_INTERRUPT_NO_SOF_EN);
/*Issue a DEPSTARTCFG command for physical ep0*/
if(SUSB_Ep_CMD_Implement(usb_mem_cfg, 0, 0, SUSB_DEPCMD_DEPSTARTCFG, 0))
{
printf("sunxi usb err: fail to Issue a DEPSTARTCFG command for physical ep0\n");
goto __sunxi_usb_init_fail;
}
/*Issue DEPXFERCFG command for physical ep0 and ep1*/
if(SUSB_Ep_CMD_Implement(usb_mem_cfg, 0, 0, SUSB_DEPCMD_SETEPCONFIG, 0))
{
printf("sunxi usb err: fail to Issue a DEPXFERCFG command for physical ep0\n");
goto __sunxi_usb_init_fail;
}
if(SUSB_Ep_CMD_Implement(usb_mem_cfg, 0, 1, SUSB_DEPCMD_SETEPCONFIG, 0))
{
printf("sunxi usb err: fail to Issue a DEPXFERCFG command for physical ep1\n");
goto __sunxi_usb_init_fail;
}
if(sunxi_udc_source.speed == USB_SPEED_SUPER)
{
usb_mem_cfg.ep0_maxpkt = 0x200;
}
else if(sunxi_udc_source.speed == USB_SPEED_HIGH)
{
usb_mem_cfg.ep0_maxpkt = 0x40;
}
else
{
usb_mem_cfg.ep0_maxpkt = 0x08;
}
/*Issue SUSB_DEPCMD_SETTRANSFRESOURCE command for physical ep 0&1*/
if(SUSB_Ep_CMD_Implement(usb_mem_cfg, 0, 0, SUSB_DEPCMD_SETTRANSFRESOURCE, 0))
{
printf("sunxi usb err: fail to Issue a DEPXFERCFG command for physical ep0\n");
}
if(SUSB_Ep_CMD_Implement(usb_mem_cfg, 0, 1, SUSB_DEPCMD_SETTRANSFRESOURCE, 0))
{
printf("sunxi usb err: fail to Issue a DEPXFERCFG command for physical ep0\n");
}
/*Enable Physical ep0 */
SUSB_Dev_EnaDisa_Ep_Function(1, 0);
/*Enable Physical ep1*/
SUSB_Dev_EnaDisa_Ep_Function(1, 1);
/*Start Device, softconnect begis*/
SUSB_Dev_ConectSwitch(USBC_DEVICE_SWITCH_ON);
/*Register Interrupt Handle */
irq_install_handler(AW_IRQ_USB_OTG, sunxi_usb_irq, NULL);
irq_enable(AW_IRQ_USB_OTG);
return 0;
__sunxi_usb_init_fail:
__usb_release_mem();
return -1;
}
