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Disable UART Interrupt

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Lee Lup Yuen 2023-11-06 17:41:03 +08:00
parent c10d058af1
commit e75be8ff88
1 changed files with 60 additions and 0 deletions
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@ -1434,6 +1434,66 @@ up_dump_register: S8: 0000000053f7a15c S9: 0000000053fcf2e0 S10: 000000000000000
up_dump_register: SP: 0000000050407a00 FP: 0000000000000000 TP: 0000000000000000 RA: 00000000502041d0
```
Disable UART Interrupt
https://github.com/lupyuen2/wip-pinephone-nuttx/blob/ox64/drivers/serial/uart_16550.c#L902-L958
```c
static int u16550_attach(struct uart_dev_s *dev)
{
//// TODO: FAR struct u16550_s *priv = (FAR struct u16550_s *)dev->priv;
int ret;
#ifdef CONFIG_CLK
/* Clk enable */
priv->mclk = clk_get(priv->clk_name);
if (priv->mclk)
{
clk_set_rate(priv->mclk, priv->uartclk);
clk_enable(priv->mclk);
}
#endif
/* Attach and enable the IRQ */
ret = 0;//// TODO
//// TODO: ret = irq_attach(priv->irq, u16550_interrupt, dev);
#ifndef CONFIG_ARCH_NOINTC
if (ret == OK)
{
/* Enable the interrupt (RX and TX interrupts are still disabled
* in the UART
*/
//// TODO: up_enable_irq(priv->irq);
```
https://gist.github.com/lupyuen/ab640bcb3ba3a19834bcaa29e43baddf
```text
up_irqinitialize: c
up_irqinitialize: d
up_irqinitialize: e
up_irqinitialize: g
irq_attach: irq=17, isr=0x50207e64
up_enable_irq: irq=17
uart_register: Registering /dev/console
uart_register: Registering /dev/ttyS0
work_start_lowpri: Starting low-priority kernel worker thread(s)
_assert: Current Version: NuttX 12.0.3 b244f85-dirty Nov 6 2023 17:35:34 risc-v
_assert: Assertion failed ret >= 0: at file: init/nx_bringup.c:283 task: AppBringUp process: Kernel 0x5020107e
up_dump_register: EPC: 000000005020f698
up_dump_register: A0: 0000000050401d50 A1: 000000000000011b A2: 0000000050219b30 A3: 000000000000007e
up_dump_register: A4: 0000000050409950 A5: 0000000000000001 A6: 0000000050407d18 A7: fffffffffffffff8
up_dump_register: T0: 000000000000002e T1: 0000000000000007 T2: 00000000000001ff T3: 000000005040c6dc
up_dump_register: T4: 000000005040c6d0 T5: 0000000000000009 T6: 000000000000002a
up_dump_register: S0: 0000000000000000 S1: 0000000050409950 S2: 0000000000000000 S3: 0000000000000000
up_dump_register: S4: 0000000050219b30 S5: 0000000050219b40 S6: 0000000200042022 S7: 0000000050401f90
up_dump_register: S8: 000000000000011b S9: 0000000000000000 S10: 0000000000000000 S11: 0000000000000000
up_dump_register: SP: 000000005040c660 FP: 0000000000000000 TP: 0000000000000000 RA: 000000005020f698
```
TODO
# Documentation for Ox64 BL808