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移植uart_cannan驱动，尚未合并uart和uart_cannan #6

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移植uart_cannan驱动，尚未合并uart和uart_cannan #6

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12 changes: 8 additions & 4 deletions bsp/k230/drivers/interdrv/pdma/drv_pdma.c
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@ static pdma_reg_t *pdma_reg;

static size_t g_pdma_page_size[8];
static bool g_pdma_alloc_page[8];
static rt_uint64_t saddr_high[8];
/***************************************************************
* general cfg
***************************************************************/
Expand Down Expand Up @@ -185,8 +186,8 @@ static rt_uint32_t *pdma_llt_cal(usr_pdma_cfg_t pdma_cfg)

rt_hw_cpu_dcache_clean_invalidate_local((uint64_t*)llt_list, sizeof(pdma_llt_t)*list_num);

// return (rt_uint32_t *)llt_list;
return (void *)((char *)llt_list + PV_OFFSET);
return (rt_uint32_t *)llt_list;
// return (void *)((char *)llt_list + PV_OFFSET);
}

int k_pdma_config(usr_pdma_cfg_t pdma_cfg)
Expand All @@ -204,15 +205,18 @@ int k_pdma_config(usr_pdma_cfg_t pdma_cfg)

pdma_reg->pdma_ch_reg[ch].ch_cfg = pdma_cfg.pdma_ch_cfg;
pdma_reg->ch_peri_dev_sel[ch] = pdma_cfg.device;
pdma_reg->pdma_ch_reg[ch].ch_llt_saddr = (rt_uint32_t)(intptr_t)pdma_llt_cal(pdma_cfg);
rt_uint32_t *p = pdma_llt_cal(pdma_cfg);
pdma_reg->pdma_ch_reg[ch].ch_llt_saddr = (rt_uint32_t)(intptr_t)p;
saddr_high[ch] = ((rt_uint64_t)p)>>32;

return 0;
}

void k_pdma_llt_free(rt_uint8_t ch)
{
rt_uint32_t *llt_list;
llt_list = (rt_uint32_t *)(intptr_t)pdma_reg->pdma_ch_reg[ch].ch_llt_saddr;
// llt_list = (rt_uint32_t *)(intptr_t)pdma_reg->pdma_ch_reg[ch].ch_llt_saddr;
llt_list = (rt_uint32_t *)(pdma_reg->pdma_ch_reg[ch].ch_llt_saddr + (saddr_high[ch]<<32));
if (g_pdma_alloc_page[ch])
{
rt_pages_free(llt_list, g_pdma_page_size[ch]);
Expand Down
34 changes: 34 additions & 0 deletions bsp/k230/drivers/interdrv/uart_canaan/drv_uart.c
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Original file line number Diff line number Diff line change
Expand Up @@ -281,11 +281,45 @@ static void kd_uart_init(volatile void *uart_base, int index)

static rt_err_t uart_open(rt_device_t dev, rt_uint16_t oflag)
{
rt_base_t level;

struct kd_uart_device *kd_uart_device = (struct kd_uart_device *)dev->user_data;
struct rt_serial_rx_fifo *kd_rx_fifo = kd_uart_device->kd_rx_fifo;

// if(0x00 == kd_uart_device->dev_open_ref_cnt) {
level = rt_hw_interrupt_disable();

kd_rx_fifo->get_index = 0;
kd_rx_fifo->put_index = 0;
kd_rx_fifo->is_full = RT_FALSE;

rt_hw_interrupt_enable(level);
// }

// kd_uart_device->dev_open_ref_cnt ++;

return RT_EOK;
}

rt_err_t uart_close(rt_device_t dev)
{
rt_base_t level;

struct kd_uart_device *kd_uart_device = (struct kd_uart_device *)dev->user_data;
struct rt_serial_rx_fifo *kd_rx_fifo = kd_uart_device->kd_rx_fifo;

// kd_uart_device->dev_open_ref_cnt --;

// if(0x00 == kd_uart_device->dev_open_ref_cnt) {
level = rt_hw_interrupt_disable();

kd_rx_fifo->get_index = 0;
kd_rx_fifo->put_index = 0;
kd_rx_fifo->is_full = RT_FALSE;

rt_hw_interrupt_enable(level);
// }

return RT_EOK;
}

Expand Down
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