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#ifndef CYGONCE_HAL_PLF_INTR_H
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#define CYGONCE_HAL_PLF_INTR_H
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//==========================================================================
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//
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// plf_intr.h
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//
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// Platform specific Interrupt and clock support
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//
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//==========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): jskov
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// Contributors: jskov
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// Date: 2001-06-12
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// Purpose: Define Interrupt support
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// Description: The macros defined here provide the HAL APIs for handling
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// interrupts and the clock for the SE77x9 board.
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// Usage:
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// #include <cyg/hal/plf_intr.h>
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// ...
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//
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include <pkgconf/hal.h>
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#include <cyg/hal/hal_io.h>
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//----------------------------------------------------------------------------
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// External interrupts
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#define CYGNUM_HAL_INTERRUPT_EXTERNALS_BASE CYGNUM_HAL_INTERRUPT_LVL0
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#define CYGNUM_HAL_INTERRUPT_SLOT_IRQ8 CYGNUM_HAL_INTERRUPT_LVL0
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#define CYGNUM_HAL_INTERRUPT_KEYBOARD CYGNUM_HAL_INTERRUPT_LVL1
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#define CYGNUM_HAL_INTERRUPT_PCMCIA2 CYGNUM_HAL_INTERRUPT_LVL2
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#define CYGNUM_HAL_INTERRUPT_COM2 CYGNUM_HAL_INTERRUPT_LVL3
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#define CYGNUM_HAL_INTERRUPT_SLOT_IRQ6 CYGNUM_HAL_INTERRUPT_LVL4
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#define CYGNUM_HAL_INTERRUPT_MOUSE CYGNUM_HAL_INTERRUPT_LVL5
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#define CYGNUM_HAL_INTERRUPT_PCMCIA1 CYGNUM_HAL_INTERRUPT_LVL6
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#define CYGNUM_HAL_INTERRUPT_COM1 CYGNUM_HAL_INTERRUPT_LVL7
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#define CYGNUM_HAL_INTERRUPT_SLOT_IRQ4 CYGNUM_HAL_INTERRUPT_LVL8
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#define CYGNUM_HAL_INTERRUPT_SLOT_IRQ3 CYGNUM_HAL_INTERRUPT_LVL9
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#define CYGNUM_HAL_INTERRUPT_PARALLEL CYGNUM_HAL_INTERRUPT_LVL10
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#define CYGNUM_HAL_INTERRUPT_SLOT_IRQ2 CYGNUM_HAL_INTERRUPT_LVL11
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#define CYGNUM_HAL_INTERRUPT_LAN CYGNUM_HAL_INTERRUPT_LVL12
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#define CYGNUM_HAL_INTERRUPT_IDE CYGNUM_HAL_INTERRUPT_LVL13
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#define CYGNUM_HAL_INTERRUPT_PCMCIA0 CYGNUM_HAL_INTERRUPT_LVL14
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//----------------------------------------------------------------------------
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// Interrupt controller
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#define CYGARC_REG_INTC_A 0xb1400000
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#define CYGARC_REG_INTC_B 0xb1400002
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#define CYGARC_REG_INTC_C 0xb1400004
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#define CYGARC_REG_INTC_D 0xb1400006
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#define CYGARC_REG_INTC_E 0xb1400008
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#define CYGARC_REG_INTC_F 0xb140000a
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#define CYGARC_REG_INTC_G 0xb140000c
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//----------------------------------------------------------------------------
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// Interrupt configuration extention macros
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//
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// It appears that masks do not appear linear in the INTC like on the SE7751.
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// The below magic values determined from the INTC's startup values.
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// A B C D E F G
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// 0xb1400000: 0x02a0 0x0005 0x008c 0xe030 0x0d91 0xf0b0 0x7640 0x0000
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static inline void
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_mask_vec(int level, cyg_uint32 reg, int shift, int lvl)
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{
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cyg_uint16 msk;
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shift *= 4;
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HAL_READ_UINT16(reg, msk);
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msk &= ~(0x000f << shift);
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if (level) msk |= lvl << shift;
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HAL_WRITE_UINT16(reg, msk);
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}
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#define CYGPRI_HAL_INTERRUPT_UPDATE_LEVEL_PLF(vec, level) \
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case CYGNUM_HAL_INTERRUPT_SLOT_IRQ8: \
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_mask_vec(level, CYGARC_REG_INTC_F, 3, 0xf); \
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break; \
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case CYGNUM_HAL_INTERRUPT_KEYBOARD: \
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_mask_vec(level, CYGARC_REG_INTC_D, 3, 0xe); \
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break; \
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case CYGNUM_HAL_INTERRUPT_PCMCIA2: \
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_mask_vec(level, CYGARC_REG_INTC_E, 2, 0xd); \
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break; \
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case CYGNUM_HAL_INTERRUPT_COM2: \
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_mask_vec(level, CYGARC_REG_INTC_C, 0, 0xc); \
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break; \
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case CYGNUM_HAL_INTERRUPT_SLOT_IRQ6: \
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_mask_vec(level, CYGARC_REG_INTC_F, 1, 0xb); \
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break; \
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case CYGNUM_HAL_INTERRUPT_MOUSE: \
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_mask_vec(level, CYGARC_REG_INTC_A, 1, 0xa); \
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break; \
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case CYGNUM_HAL_INTERRUPT_PCMCIA1: \
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_mask_vec(level, CYGARC_REG_INTC_E, 1, 0x9); \
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break; \
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case CYGNUM_HAL_INTERRUPT_COM1: \
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_mask_vec(level, CYGARC_REG_INTC_C, 1, 0x8); \
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break; \
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case CYGNUM_HAL_INTERRUPT_SLOT_IRQ4: \
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_mask_vec(level, CYGARC_REG_INTC_G, 3, 0x7); \
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break; \
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case CYGNUM_HAL_INTERRUPT_SLOT_IRQ3: \
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_mask_vec(level, CYGARC_REG_INTC_G, 2, 0x6); \
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break; \
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case CYGNUM_HAL_INTERRUPT_PARALLEL: \
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_mask_vec(level, CYGARC_REG_INTC_B, 0, 0x5); \
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break; \
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case CYGNUM_HAL_INTERRUPT_SLOT_IRQ2: \
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_mask_vec(level, CYGARC_REG_INTC_G, 1, 0x4); \
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break; \
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case CYGNUM_HAL_INTERRUPT_LAN: \
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_mask_vec(level, CYGARC_REG_INTC_D, 1, 0x3); \
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break; \
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case CYGNUM_HAL_INTERRUPT_IDE: \
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_mask_vec(level, CYGARC_REG_INTC_A, 2, 0x2); \
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break; \
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case CYGNUM_HAL_INTERRUPT_PCMCIA0: \
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_mask_vec(level, CYGARC_REG_INTC_E, 0, 0x1); \
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break;
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//----------------------------------------------------------------------------
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// Reset.
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// Block interrupts and cause an exception. This forces a reset.
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#define HAL_PLATFORM_RESET() \
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asm volatile ("ldc %0,sr;trapa #0x00;" : : "r" (CYGARC_REG_SR_BL))
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#define HAL_PLATFORM_RESET_ENTRY 0x80000000
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//--------------------------------------------------------------------------
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#endif // ifndef CYGONCE_HAL_PLF_INTR_H
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// End of plf_intr.h
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