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nuttx/arch/arm/include/tlsr82/irq.h
wangbowen6 73f7cc5855 tlsr82: first commit of telink tlsr82xx chip port. 
tlsr82: first commit of telink tlsr82xx chip port.

 - tc32 archtecture context switch;
 - tc32 backtrace;
 - timer, uart, pwm, gpio, adc driver;
 - flash, watchdog driver;
 - uart txdma/rxdma;
 - spi console driver;
 - add board bringup and reset;

Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
2022-05-09 12:33:39 +08:00

260 lines
7.3 KiB
C
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/****************************************************************************
* arch/arm/include/tlsr82/irq.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/* This file should never be included directly but, rather, only indirectly
* through nuttx/irq.h
*/
#ifndef __ARCH_ARM_INCLUDE_TLSR82_IRQ_H
#define __ARCH_ARM_INCLUDE_TLSR82_IRQ_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/irq.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
/****************************************************************************
* Pre-processor Prototypes
****************************************************************************/
/* Define this to prevent the arch irq.h include */
#define __ARCH_ARM_INCLUDE_ARMV6_M_IRQ_H
#define _REG_BASE_ADDR 0x00800000
#define _REG_ADDR8(a) (*(volatile uint8_t *)(_REG_BASE_ADDR + (a)))
#define _REG_ADDR32(a) (*(volatile uint32_t *)(_REG_BASE_ADDR + (a)))
#define _IRQ_MASK_REG _REG_ADDR32(0x640)
#define _IRQ_EN_REG _REG_ADDR8(0x643)
#define NR_TIMER0_IRQ 0
#define NR_TIMER1_IRQ 1
#define NR_TIMER2_IRQ 2
#define NR_USB_PWDN_IRQ 3
#define NR_DMA_IRQ 4
#define NR_DMA_FIFO_IRQ 5
#define NR_UART_IRQ 6
#define NR_MIX_CMD_IRQ 7
#define NR_EP0_SETUP_IRQ 8
#define NR_EP0_DATA_IRQ 9
#define NR_EP0_STA_IRQ 10
#define NR_SET_INTF_IRQ 11
#define NR_EP_DATA_IRQ 12
#define NR_RF_IRQ 13
#define NR_SW_PWM_IRQ 14
#define NR_PKE_IRQ 15
#define NR_USB_250US_IRQ 16
#define NR_USB_RST_IRQ 17
#define NR_GPIO_IRQ 18
#define NR_PM_IRQ 19
#define NR_SYSTEM_TIMER_IRQ 20
#define NR_GPIO_RISC0_IRQ 21
#define NR_GPIO_RISC1_IRQ 22
#define NR_IRQS 23
/* IRQ Stack Frame Format:
*
* Low Address |
* | regs --> 1 PC (aka R15)
* | 1 SP (aka R13)
* | 5 R12 ~ R8
* | 1 IRQ_STATE
* | 1 CPSR
* | 8 R7 ~ R0
* | 1 R14 (aka R14)
* High Address v
*
* This results in the following set of indices that
* can be used to access individual registers in the
* xcp.regs array:
*/
#define REG_START (0)
#define REG_R15 (0)
#define REG_R13 (1)
#define REG_R12 (2)
#define REG_R11 (3)
#define REG_R10 (4)
#define REG_R9 (5)
#define REG_R8 (6)
#define REG_IRQ_EN (7)
#define REG_CPSR (8)
#define REG_R7 (9)
#define REG_R6 (10)
#define REG_R5 (11)
#define REG_R4 (12)
#define REG_R3 (13)
#define REG_R2 (14)
#define REG_R1 (15)
#define REG_R0 (16)
#define REG_R14 (17)
#define REG_END (18)
#define XCPTCONTEXT_REGS (18)
#define XCPTCONTEXT_SIZE (4 * XCPTCONTEXT_REGS)
#define REG_FP REG_R7
#define REG_IP REG_R12
#define REG_SP REG_R13
#define REG_LR REG_R14
#define REG_PC REG_R15
/* The PIC register is usually R10. It can be R9 is stack checking is enabled
* or if the user changes it with -mpic-register on the GCC command line.
*/
#define REG_PIC REG_R10
/****************************************************************************
* Public Types
****************************************************************************/
/* This struct defines the way the registers are stored. We
* need to save:
*
* Low Address |
* | regs --> 1 PC (aka R15)
* | 1 SP (aka R13)
* | 5 R12 ~ R8
* | 1 IRQ_STATE
* | 1 CPSR
* | 8 R7 ~ R0
* | 1 R14 (aka R14)
* High Address v
*
* For a total of 18 (XCPTCONTEXT_REGS).
*
* Note: all the register are saved by software, hardware not
* push register into the stack automatically when interrupt
* occur.
*/
#ifndef __ASSEMBLY__
struct xcptcontext
{
/* The following function pointer is non-zero if there
* are pending signals to be processed.
*/
void *sigdeliver; /* Actual type is sig_deliver_t */
/* These are saved register array pointer used during
* signal processing.
*/
uint32_t *saved_regs;
/* Register save area */
uint32_t *regs;
};
#endif
/****************************************************************************
* Inline functions
****************************************************************************/
#ifndef __ASSEMBLY__
/* Name: up_irq_save, up_irq_restore, and friends.
*
* NOTE: This function should never be called from application code and,
* as a general rule unless you really know what you are doing, this
* function should not be called directly from operation system code either:
* Typically, the wrapper functions, enter_critical_section() and
* leave_critical section(), are probably what you really want.
*/
/* Save the current interrupt enable state & disable IRQs. */
static inline irqstate_t up_irq_save(void)
{
irqstate_t r = _IRQ_EN_REG;
_IRQ_EN_REG = 0;
return r;
}
/* Restore saved IRQ & FIQ state */
static inline void up_irq_restore(irqstate_t flags)
{
_IRQ_EN_REG = flags;
}
/* Enable IRQs and return the previous IRQ state */
static inline irqstate_t up_irq_enable(void)
{
irqstate_t r = _IRQ_EN_REG;
_IRQ_EN_REG = 1;
return r;
}
static inline void up_irq_disable(void)
{
up_irq_save();
}
static inline void up_disable_irq(int irq)
{
_IRQ_MASK_REG &= ~(1 << irq);
}
static inline void up_enable_irq(int irq)
{
_IRQ_MASK_REG |= (1 << irq);
}
#endif /* __ASSEMBLY__ */
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif
#endif /* __ARCH_ARM_INCLUDE_TLSR82_IRQ_H */
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