nuttx/arch/sh/include/sh1/irq.h

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/************************************************************************************
* arch/sh/include/sh1/irq.h
*
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
/* This file should never be included directed but, rather,
* only indirectly through nuttx/irq.h
*/
#ifndef __ARCH_SH_INCLUDE_SH1_IRQ_H
#define __ARCH_SH_INCLUDE_SH1_IRQ_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
/************************************************************************************
* Definitions
************************************************************************************/
/* IRQ channels */
#define STR71X_IRQ_T0TIMI (0)
#define STR71X_IRQ_FLASH (1)
#define STR71X_IRQ_RCCU (2)
#define STR71X_IRQ_RTC (3)
#define STR71X_IRQ_WDG (4)
#define STR71X_IRQ_XTI (5)
#define STR71X_IRQ_USBHP (6)
#define STR71X_IRQ_I2C0ITERR (7)
#define STR71X_IRQ_I2C1ITERR (8)
#define STR71X_IRQ_UART0 (9)
#define STR71X_IRQ_UART1 (10)
#define STR71X_IRQ_UART2 (11)
#define STR71X_IRQ_UART3 (12)
#define STR71X_IRQ_SPI0 (13)
#define STR71X_IRQ_SPI1 (14)
#define STR71X_IRQ_I2C0 (15)
#define STR71X_IRQ_I2C1 (16)
#define STR71X_IRQ_CAN (17)
#define STR71X_IRQ_ADC (18)
#define STR71X_IRQ_T1TIMI (19)
#define STR71X_IRQ_T2TIMI (20)
#define STR71X_IRQ_T3TIMI (21)
#define STR71X_IRQ_HDLC (25)
#define STR71X_IRQ_USBLP (26)
#define STR71X_IRQ_T0TOI (29)
#define STR71X_IRQ_T0OC1 (30)
#define STR71X_IRQ_T0OC2 (31)
#define STR71X_IRQ_SYSTIMER STR71X_IRQ_T0TIMI
#define NR_IRQS 32
/* FIQ channels */
#define STR71X_FIQ_T0TIMI (0X00000001)
#define STR71X_FIQ_WDG (0X00000002)
#define STR71X_FIQ_WDGT0TIMIS (0X00000003)
/* Vector table offets **************************************************************/
/* Resets */
#define SH1_PWRONPC_VECOFFSET (0*4) /* 0: Power-on reset (hard, NMI high) PC*/
#define SH1_PWRONSP_VECOFFSET (1*4) /* 1: Power-on reset (hard, NMI high) SP */
#define SH1_MRESETPC_VECOFFSET (2*4) /* 2: Power-on reset (hard, NMI high) PC*/
#define SH1_MRESETSP_VECOFFSET (3*4) /* 3: Power-on reset (hard, NMI high) SP */
/* Illegal instructions / Address errors */
#define SH1_INVINSTR_VECOFFSET (4*4) /* 4: General invalid instruction */
/* 5: Reserved for system */
#define SH1_INVSLOT_VECOFFSET (6*4) /* 6: Invalid slot instruction */
/* 7-8: Reserved for system */
#define SH1_BUSERR_VECOFFSET (9*4) /* 9: CPU bus error */
#define SH1_DMAERR_VECOFFSET (10*4) /* 10: DMA bus error */
/* NMI, user break */
#define SH1_NMI_VECOFFSET (11*4) /* 11: NMI */
#define SH1_USRBRK_VECOFFSET (12*4) /* 12: User break */
/* 13-31: Reserved for system */
/* Trap instruction */
#define SH1_TRAP_VECOFFSET (32*4) /* 32-63: TRAPA instruction (user break) */
#define SH1_TRAP0_VECOFFSET (32*4) /* 32: TRAPA instruction (user break) */
#define SH1_TRAP1_VECOFFSET (33*4) /* 33: TRAPA instruction (user break) */
#define SH1_TRAP2_VECOFFSET (34*4) /* 34: TRAPA instruction (user break) */
#define SH1_TRAP3_VECOFFSET (35*4) /* 35: TRAPA instruction (user break) */
#define SH1_TRAP4_VECOFFSET (36*4) /* 36: TRAPA instruction (user break) */
#define SH1_TRAP5_VECOFFSET (37*4) /* 37: TRAPA instruction (user break) */
#define SH1_TRAP6_VECOFFSET (38*4) /* 38: TRAPA instruction (user break) */
#define SH1_TRAP7_VECOFFSET (39*4) /* 39: TRAPA instruction (user break) */
#define SH1_TRAP8_VECOFFSET (40*4) /* 40: TRAPA instruction (user break) */
#define SH1_TRAP9_VECOFFSET (41*4) /* 41: TRAPA instruction (user break) */
#define SH1_TRAP10_VECOFFSET (42*4) /* 42: TRAPA instruction (user break) */
#define SH1_TRAP11_VECOFFSET (43*4) /* 43: TRAPA instruction (user break) */
#define SH1_TRAP12_VECOFFSET (44*4) /* 44: TRAPA instruction (user break) */
#define SH1_TRAP13_VECOFFSET (45*4) /* 45: TRAPA instruction (user break) */
#define SH1_TRAP14_VECOFFSET (46*4) /* 46: TRAPA instruction (user break) */
#define SH1_TRAP15_VECOFFSET (47*4) /* 47: TRAPA instruction (user break) */
#define SH1_TRAP16_VECOFFSET (48*4) /* 48: TRAPA instruction (user break) */
#define SH1_TRAP17_VECOFFSET (49*4) /* 49: TRAPA instruction (user break) */
#define SH1_TRAP18_VECOFFSET (50*4) /* 50: TRAPA instruction (user break) */
#define SH1_TRAP19_VECOFFSET (51*4) /* 51: TRAPA instruction (user break) */
#define SH1_TRAP20_VECOFFSET (52*4) /* 52: TRAPA instruction (user break) */
#define SH1_TRAP21_VECOFFSET (53*4) /* 53: TRAPA instruction (user break) */
#define SH1_TRAP22_VECOFFSET (54*4) /* 54: TRAPA instruction (user break) */
#define SH1_TRAP23_VECOFFSET (55*4) /* 55: TRAPA instruction (user break) */
#define SH1_TRAP24_VECOFFSET (56*4) /* 56: TRAPA instruction (user break) */
#define SH1_TRAP25_VECOFFSET (57*4) /* 57: TRAPA instruction (user break) */
#define SH1_TRAP26_VECOFFSET (58*4) /* 58: TRAPA instruction (user break) */
#define SH1_TRAP27_VECOFFSET (59*4) /* 59: TRAPA instruction (user break) */
#define SH1_TRAP28_VECOFFSET (60*4) /* 60: TRAPA instruction (user break) */
#define SH1_TRAP29_VECOFFSET (61*4) /* 61: TRAPA instruction (user break) */
#define SH1_TRAP30_VECOFFSET (62*4) /* 62: TRAPA instruction (user break) */
#define SH1_TRAP31_VECOFFSET (63*4) /* 63: TRAPA instruction (user break) */
/* Interrupts */
#define SH1_IRQ_VECOFFSET (64*4) /* 64-71: IRQ0-7 */
#define SH1_IRQ0_VECOFFSET (64*4) /* 64: IRQ0 */
#define SH1_IRQ1_VECOFFSET (65*4) /* 65: IRQ1 */
#define SH1_IRQ2_VECOFFSET (66*4) /* 66: IRQ2 */
#define SH1_IRQ3_VECOFFSET (67*4) /* 67: IRQ3 */
#define SH1_IRQ4_VECOFFSET (68*4) /* 68: IRQ4 */
#define SH1_IRQ5_VECOFFSET (69*4) /* 69: IRQ5 */
#define SH1_IRQ6_VECOFFSET (70*4) /* 70: IRQ6 */
#define SH1_IRQ7_VECOFFSET (71*4) /* 71: IRQ7 */
/* On-chip modules -- The following may be unique to the 7032 */
#ifdef CONFIG_ARCH_SH7032
/* DMAC */
#define SH1_DMAC0_VECOFFSET (72*4) /* 72-73: DMAC0 */
#define SH1_DEI0_VECOFFSET (72*4) /* 72: DMAC0 DEI0 */
/* 73: Reserved */
#define SH1_DMAC1_VECOFFSET (74*4) /* 74-75: DMAC1 */
#define SH1_DEI1_VECOFFSET (74*4) /* 74: DMAC1 DEI1 */
/* 75: Reserved */
#define SH1_DMAC2_VECOFFSET (76*4) /* 76-77: DMAC2 */
#define SH1_DEI2_VECOFFSET (76*4) /* 76: DMAC2 DEI2 */
/* 77: Reserved */
#define SH1_DMAC3_VECOFFSET (78*4) /* 78-79: DMAC3 */
#define SH1_DEI3_VECOFFSET (78*4) /* 78: DMAC3 DEI3 */
/* 79: Reserved */
/* ITU */
#define SH1_IMIA0_VECOFFSET (80*4) /* 80: ITU0 IMIA0 */
#define SH1_IMIBO_VECOFFSET (81*4) /* 81: IMIB0 */
#define SH1_OVI0_VECOFFSET (82*4) /* 82: OVI0 */
/* 83: Reserved */
#define SH1_IMIA1_VECOFFSET (84*4) /* 84: ITU1 IMIA1 */
#define SH1_IMIB1_VECOFFSET (85*4) /* 85: IMIB1 */
#define SH1_OVI1_VECOFFSET (86*4) /* 86: OVI1 */
/* 87: Reserved */
#define SH1_IMIA2_VECOFFSET (88*4) /* 88: ITU2 IMIA2 */
#define SH1_IMIB2_VECOFFSET (89*4) /* 89: IMIB2 */
#define SH1_OVI2_VECOFFSET (90*4) /* 90: OVI2 */
/* 91: Reserved */
#define SH1_IMIA3_VECOFFSET (92*4) /* 92: ITU3 IMIA3 */
#define SH1_IMIB3_VECOFFSET (93*4) /* 93: IMIB3 */
#define SH1_OVI3_VECOFFSET (94*4) /* 94: OVI3 */
/* 95: Reserved */
#define SH1_IMIA4_VECOFFSET (96*4) /* 96: ITU4 IMIA4 */
#define SH1_IMIB4_VECOFFSET (97*4) /* 97: IMIB4 */
#define SH1_OVI4_VECOFFSET (98*4) /* 98: OVI4 */
/* 99: Reserved */
/* SCI */
#define SH1_ERI0_VECOFFET (100*4) /* 100: SCI0 ERI0 */
#define SH1_RXI0_VECOFFET (101*4) /* 101: RxI0 */
#define SH1_TXI0_VECOFFET (102*4) /* 102: TxI0 */
#define SH1_TEI0_VECOFFET (103*4) /* 103: TEI0 */
#define SH1_ERI1_VECOFFET (104*4) /* 104: SCI1 ERI1 */
#define SH1_RXI1_VECOFFET (105*4) /* 105: RxI1 */
#define SH1_TXI1_VECOFFET (106*4) /* 106: TxI1 */
#define SH1_TEI1_VECOFFET (107*4) /* 107: TEI1 */
#define SH1_PEI_VECOFFSET (108*4) /* 108: Parity control unit PEI */
#define SH1_ADITI_VECOFFSET (109*4) /* 109: A/D ITI */
/* 110-111: Reserved */
#define SH1_WDTITI_VECOFFSET (112*4) /* 112: WDT ITI */
#define SH1_CMI_VECOFFSET (113*4) /* 113: REF CMI */
/* 114-115: Reserved */
/* 116-255 reserved */
#endif
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/************************************************************************************
* Inline Functions
************************************************************************************/
#ifndef __ASSEMBLY__
/* Return the current interrupt enable state & disable IRQs */
static inline irqstate_t irqsave(void)
{
irqstate_t flags;
uint32 tmp;
__asm__ __volatile__
(
"stc sr, %1\n\t"
"mov %1, %0\n\t"
"or #0xf0, %0\n\t"
"ldc %0, sr\n\t"
"mov %1, %0\n\t"
"and #0xf0, %0"
: "=&z" (flags), "=&r" (tmp)
:
: "memory"
);
return flags;
}
/* Disable IRQs */
static inline void irqdisable(void)
{
unsigned long tmp;
__asm__ __volatile__
(
"stc sr, %0\n\t"
"or #0xf0, %0\n\t"
"ldc %0, sr"
: "=&z" (tmp)
:
: "memory"
);
}
/* Enable IRQs */
static inline void irqenable(void)
{
uint32 tmp1;
uint32 tmp2;
__asm__ __volatile__
(
"stc sr, %0\n\t"
"and %1, %0\n\t"
"stc r6_bank, %1\n\t"
"or %1, %0\n\t"
"ldc %0, sr"
: "=&r" (tmp1), "=r" (tmp2)
: "1" (~0x000000f0)
: "memory"
);
}
/* Restore saved IRQ state */
static inline void irqrestore(irqstate_t flags)
{
if ((flags & 0x000000f0) != 0x000000f0)
{
irqenable();
}
else
{
irqdisable();
}
}
#endif
/************************************************************************************
* Public Functions
************************************************************************************/
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif
#endif /* __ARCH_SH_INCLUDE_SH1_IRQ_H */