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v1.1.1

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刘可亮
2024-12-10 16:40:04 +08:00
parent 791ea5b94b
commit 3b8c04c942
2 changed files with 63 additions and 32 deletions
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61
bsp/artinchip/drv/uart/aic_drv_uart.c
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@@ -126,9 +126,26 @@ static usart_handle_t uart_handle[AIC_UART_DEV_NUM];
static struct rt_serial_device g_serial[AIC_UART_DEV_NUM];
#if defined (AIC_SERIAL_USING_DMA)
static uint32_t uart_rx_fifo[AIC_UART_RX_FIFO_SIZE] __attribute__((aligned(64)));
static uint32_t uart_tx_fifo[AIC_UART_TX_FIFO_SIZE] __attribute__((aligned(64)));
static uint32_t rx_size = 0;
#define UART_ALIGN_SIZE CACHE_LINE_SIZE
struct aic_uart_info {
uint32_t *uart_tx_fifo;
uint32_t *uart_rx_fifo;
uint8_t rx_size;
rt_sem_t tx_semaphore;
};
static struct aic_uart_info g_info[AIC_UART_DEV_NUM] = {0};
char uart_sem_name[][9] = {
"uart_tx0",
"uart_tx1",
"uart_tx2",
"uart_tx3",
"uart_tx4",
"uart_tx5",
"uart_tx6",
"uart_tx7",
};
#endif
struct uart_freq_baud
@@ -245,9 +262,8 @@ void drv_usart_irqhandler(int irq, void * data)
{
case AIC_IIR_RECV_DATA:
case AIC_IIR_CHAR_TIMEOUT:
rx_size = hal_usart_get_rx_fifo_num(uart);
// rt_kprintf("%d,%d\n",rx_size,status);
hal_uart_rx_dma_config(uart, (uint8_t *)uart_rx_fifo, rx_size);
g_info[index].rx_size = hal_usart_get_rx_fifo_num(uart);
hal_uart_rx_dma_config(uart, (uint8_t *)g_info[index].uart_rx_fifo, g_info[index].rx_size);
break;
default:
@@ -478,21 +494,23 @@ static void drv_uart_callback(aic_usart_priv_t *uart, void *arg)
{
case AIC_UART_TX_INT:
rt_hw_serial_isr(&g_serial[uart->idx], RT_SERIAL_EVENT_TX_DMADONE);
rt_sem_release(g_info[uart->idx].tx_semaphore);
break;
case AIC_UART_RX_INT:
rx_fifo = (struct rt_serial_rx_fifo *)g_serial[uart->idx].serial_rx;
if (rx_fifo->put_index + rx_size < g_serial[uart->idx].config.bufsz) {
memcpy((rx_fifo->buffer + rx_fifo->put_index), (rt_uint8_t *)uart_rx_fifo, rx_size);
aicos_dcache_invalid_range((void *)g_info[uart->idx].uart_rx_fifo, AIC_UART_RX_FIFO_SIZE);
if (rx_fifo->put_index + g_info[uart->idx].rx_size < g_serial[uart->idx].config.bufsz) {
memcpy((rx_fifo->buffer + rx_fifo->put_index), (rt_uint8_t *)g_info[uart->idx].uart_rx_fifo, g_info[uart->idx].rx_size);
} else {
memcpy((rx_fifo->buffer + rx_fifo->put_index), (rt_uint8_t *)uart_rx_fifo,
memcpy((rx_fifo->buffer + rx_fifo->put_index), (rt_uint8_t *)g_info[uart->idx].uart_rx_fifo,
g_serial->config.bufsz - rx_fifo->put_index);
memcpy((rx_fifo->buffer), ((rt_uint8_t *)uart_rx_fifo + g_serial->config.bufsz -
rx_fifo->put_index), rx_size + rx_fifo->put_index - g_serial->config.bufsz);
memcpy((rx_fifo->buffer), ((rt_uint8_t *)g_info[uart->idx].uart_rx_fifo + g_serial->config.bufsz -
rx_fifo->put_index), g_info[uart->idx].rx_size + rx_fifo->put_index - g_serial->config.bufsz);
}
hal_usart_set_interrupt(uart, USART_INTR_READ, 1);
rt_hw_serial_isr(&g_serial[uart->idx], RT_SERIAL_EVENT_RX_DMADONE | (rx_size << 8));
rt_hw_serial_isr(&g_serial[uart->idx], RT_SERIAL_EVENT_RX_DMADONE | (g_info[uart->idx].rx_size << 8));
break;
default:
@@ -505,14 +523,16 @@ static rt_size_t drv_uart_dma_transmit(struct rt_serial_device *serial, rt_uint8
rt_size_t size, int direction)
{
usart_handle_t uart;
rt_uint8_t index;
RT_ASSERT(serial != RT_NULL);
uart = (usart_handle_t)serial->parent.user_data;
index = serial->config.uart_index;
if (direction == RT_SERIAL_DMA_TX) {
memcpy((rt_uint8_t *)uart_tx_fifo, buf, size);
if (hal_uart_send_by_dma(uart, (rt_uint8_t *)uart_tx_fifo, size) == 0) {
memcpy((rt_uint8_t *)g_info[index].uart_tx_fifo, buf, size);
aicos_dcache_clean_range((void *)g_info[index].uart_tx_fifo, AIC_UART_TX_FIFO_SIZE);
if (hal_uart_send_by_dma(uart, (rt_uint8_t *)g_info[index].uart_tx_fifo, size) == 0) {
rt_sem_take(g_info[index].tx_semaphore, RT_WAITING_FOREVER);
return size;
}
}
@@ -693,6 +713,15 @@ int drv_usart_init(void)
drv_uart_callback, NULL);
hal_usart_set_interrupt((aic_usart_priv_t *)g_serial[u].parent.user_data,
USART_INTR_READ, 1);
g_info[u].uart_rx_fifo = (uint32_t *)aicos_malloc_align(0, AIC_UART_RX_FIFO_SIZE, UART_ALIGN_SIZE);
g_info[u].uart_tx_fifo = (uint32_t *)aicos_malloc_align(0, AIC_UART_TX_FIFO_SIZE, UART_ALIGN_SIZE);
RT_ASSERT(g_info[u].uart_rx_fifo != RT_NULL);
RT_ASSERT(g_info[u].uart_tx_fifo != RT_NULL);
g_info[u].tx_semaphore = rt_sem_create(uart_sem_name[u], 0, RT_IPC_FLAG_FIFO);
if (!g_info[u].tx_semaphore)
return -RT_ERROR;
}
#endif
drv_usart_function_init(i, u);