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Merge pull request #1225 from uestczyh222/master

[Bsp][Tina]Fix uart bug
Bernard Xiong 7 years ago
parent
commit
3da9f7177a
1 changed files with 3 additions and 0 deletions
  1. 3 0
      bsp/allwinner_tina/drivers/drv_uart.c

+ 3 - 0
bsp/allwinner_tina/drivers/drv_uart.c

@@ -184,16 +184,19 @@ static rt_err_t uart_configure(struct rt_serial_device *serial, struct serial_co
     if ((rt_uint32_t)(uart->hw_base) == UART0_BASE_ADDR)
     if ((rt_uint32_t)(uart->hw_base) == UART0_BASE_ADDR)
     {
     {
         bus_gate_clk_enalbe(UART0_GATING);
         bus_gate_clk_enalbe(UART0_GATING);
+        bus_software_reset_disalbe(UART0_GATING);
         bus_software_reset_enalbe(UART0_GATING);
         bus_software_reset_enalbe(UART0_GATING);
     }
     }
     else if ((rt_uint32_t)(uart->hw_base) == UART1_BASE_ADDR)
     else if ((rt_uint32_t)(uart->hw_base) == UART1_BASE_ADDR)
     {
     {
         bus_gate_clk_enalbe(UART1_GATING);
         bus_gate_clk_enalbe(UART1_GATING);
+        bus_software_reset_disalbe(UART1_GATING);
         bus_software_reset_enalbe(UART1_GATING);
         bus_software_reset_enalbe(UART1_GATING);
     }
     }
     else if ((rt_uint32_t)(uart->hw_base) == UART2_BASE_ADDR)
     else if ((rt_uint32_t)(uart->hw_base) == UART2_BASE_ADDR)
     {
     {
         bus_gate_clk_enalbe(UART2_GATING);
         bus_gate_clk_enalbe(UART2_GATING);
+        bus_software_reset_disalbe(UART2_GATING);
         bus_software_reset_enalbe(UART2_GATING);
         bus_software_reset_enalbe(UART2_GATING);
     }
     }
     else
     else