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skrzyp |
#ifndef CYGONCE_HAL_PLATFORM_SETUP_H
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#define CYGONCE_HAL_PLATFORM_SETUP_H
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//==========================================================================
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//
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// hal_platform_setup.h
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//
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//
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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): gthomas
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// Contributors: gthomas, jskov, rcassebohm
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// Grant Edwards <grante@visi.com>
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// Date: 2001-07-31
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// Purpose:
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// Description:
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//
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//####DESCRIPTIONEND####
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//
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//========================================================================*/
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#include <cyg/hal/plf_io.h>
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.macro LED_MACRO x
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ldr r0,=KS32C_IOPDATA
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ldr r1,[r0]
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and r1,r1,#(~0x7)
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orr r1,r1,#((0x7 & (~(\x))))
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str r1,[r0]
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#ifdef CYGSEM_HAL_LED_WITH_DELAY
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ldr r1,=0x80000
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1: sub r1,r1,#1
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cmp r1,#0
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bne 1b
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#endif
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.endm
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#define CYGHWR_LED_MACRO \
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LED_MACRO (\x)
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// Use relative branch since we are going to switch the address space
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// around.
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#define CYGSEM_HAL_ROM_RESET_USES_JUMP
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.macro PLATFORM_RELOCATE
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ldr r1,=KS32C_IOPMOD
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ldr r2,=0x07 /* set led display to output */
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str r2,[r1]
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LED 0x0
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/* Check that it worked, otherwise try Sync DRAM setup */
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ldr r1,=0x00000000
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str r1,[r1]
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ldr r2,[r1]
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cmp r2,r1
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beq 99f
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/* Sync DRAM mode */
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LED 0x1
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ldr r3, =0xe7ffff90 /* sdram c+wb disabled, regs @ 0x03ff0000 */
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ldr r0, =KS32C_SYSCFG
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str r3,[r0]
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1: mov r1,pc /* actual address */
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sub r1,r1,#8 /* + 8 */
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ldr r0,=1b /* address off 1: after remap */
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sub r1,r1,r0
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ldr r0,=40f
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add r0,r0,r1
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#ifdef CYG_HAL_STARTUP_ROMRAM
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ldr lr,=4f
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add lr,lr,r1
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ldr r1,=AIM711_ROM0_LA_START
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add lr,lr,r1
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#else
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ldr lr,=99f
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#endif
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ldmia r0,{r1-r12}
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ldr r0,=KS32C_EXTDBWTH
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stmia r0,{r1-r12}
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mov pc,lr
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#ifdef CYG_HAL_STARTUP_ROMRAM
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4:
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/* Relocate text segment */
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ldr r2,=__exception_handlers
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ldr r3,=AIM711_ROM0_LA_START
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cmp r2,r3
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beq 6f
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ldr r4,=__rom_data_end
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5:
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ldr r0,[r3],#4
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str r0,[r2],#4
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cmp r2,r4
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bne 5b
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6:
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ldr lr,=99f
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mov pc,lr
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nop
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nop
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nop
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#endif
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/* The below are set with a store-multiple instruction */
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/* Sync DRAM setup */
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/* Flash is 8 bit, DRAM is 32 bit and EXTIO is 8 bit */
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/* .long KS32C_EXTDBWTH */
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40: .long ( (KS32C_EXTDBWTH_8BIT<<KS32C_EXTDBWTH_DSR0_shift) \
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|(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD0_shift) \
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|(KS32C_EXTDBWTH_8BIT<<KS32C_EXTDBWTH_DSX0_shift) \
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|(KS32C_EXTDBWTH_8BIT<<KS32C_EXTDBWTH_DSX2_shift) )
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/* Flash at 0x02000000-0x02100000, 5 cycles, 7 cycles */
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/* .long KS32C_ROMCON0 */
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.long ( (KS32C_ROMCON_PMC_ROM) \
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|(KS32C_ROMCON_TPA_5C) \
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|(KS32C_ROMCON_TACC_7C) \
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|((AIM711_ROM0_LA_START >> 16) << KS32C_ROMCON_BASE_shift) \
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|((AIM711_ROM0_LA_END >> 16) << KS32C_ROMCON_NEXT_shift))
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/* .long KS32C_ROMCON1 */
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.long ( (KS32C_ROMCON_PMC_ROM) \
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|(KS32C_ROMCON_TPA_5C) \
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|(KS32C_ROMCON_TACC_5C) \
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|((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift) \
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|((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))
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/* .long KS32C_ROMCON2 */
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.long ( (KS32C_ROMCON_PMC_ROM) \
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|(KS32C_ROMCON_TPA_5C) \
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|(KS32C_ROMCON_TACC_5C) \
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|((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift) \
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|((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))
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/* .long KS32C_ROMCON3 */
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.long ( (KS32C_ROMCON_PMC_ROM) \
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|(KS32C_ROMCON_TPA_5C) \
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|(KS32C_ROMCON_TACC_5C) \
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|((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift) \
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|((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))
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/* .long KS32C_ROMCON4 */
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.long ( (KS32C_ROMCON_PMC_ROM) \
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|(KS32C_ROMCON_TPA_5C) \
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|(KS32C_ROMCON_TACC_5C) \
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|((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift) \
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|((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))
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/* .long KS32C_ROMCON5 */
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.long ( (KS32C_ROMCON_PMC_ROM) \
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|(KS32C_ROMCON_TPA_5C) \
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|(KS32C_ROMCON_TACC_5C) \
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|((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift) \
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|((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))
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/* .long KS32C_DRAMCON0 */
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.long ( (KS32C_DRAMCON_RESERVED) \
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|(KS32C_DRAMCON_CAN_8) \
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|(KS32C_DRAMCON_TRP_4C) \
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|(KS32C_DRAMCON_TRC_2C) \
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|((AIM711_DRAM_LA_START >> 16) << KS32C_DRAMCON_BASE_shift) \
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|((AIM711_DRAM_LA_END >> 16) << KS32C_DRAMCON_NEXT_shift))
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/* .long KS32C_DRAMCON1 */
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.long ( (KS32C_DRAMCON_RESERVED) \
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|(KS32C_DRAMCON_CAN_8) \
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|(KS32C_DRAMCON_TRP_2C) \
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|(KS32C_DRAMCON_TRC_2C) \
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|((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift) \
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|((0x00000000 >> 16) << KS32C_DRAMCON_NEXT_shift))
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/* .long KS32C_DRAMCON2 */
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.long ( (KS32C_DRAMCON_RESERVED) \
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|(KS32C_DRAMCON_CAN_8) \
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|(KS32C_DRAMCON_TRP_2C) \
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|(KS32C_DRAMCON_TRC_2C) \
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|((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift) \
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|((0x00000000 >> 16) << KS32C_DRAMCON_NEXT_shift))
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/* .long KS32C_DRAMCON3 */
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.long ( (KS32C_DRAMCON_RESERVED) \
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|(KS32C_DRAMCON_CAN_8) \
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|(KS32C_DRAMCON_TRP_2C) \
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|(KS32C_DRAMCON_TRC_2C) \
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|((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift) \
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|((0x00000000 >> 16) << KS32C_DRAMCON_NEXT_shift))
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/* .long KS32C_REFEXTCON */
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.long (((2048+1-(8*CYGNUM_HAL_CPUCLOCK/1000000)) << KS32C_REFEXTCON_RCV_shift) \
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|(KS32C_REFEXTCON_TRC_4C) \
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|(KS32C_REFEXTCON_REN) \
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|(KS32C_REFEXTCON_VSF) \
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|(AIM711_EXT0_LA_START >> 16) )
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#if 0
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50:
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.long 0x07113001 /* ROM half-word, RAM word, EXT-IO */
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.long 0x21080060 /* ROM 32 - 33 MByte */
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.long 0
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.long 0
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.long 0
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.long 0
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.long 0
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.long 0x0800038e /* RAM 0 - 8 MByte */
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.long 0
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.long 0
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.long 0
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.long 0xc01583fd /* Reactivate external Bus */
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#endif
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99: LED 0x2
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ldr r3,=0x00000000
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str r3,[r3]
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ldr r4,[r3]
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cmp r4,r3
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beq 15f
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11: LED 0x3
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b 11b
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15: LED 0x4
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.endm
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#if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_ROMRAM)
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#define PLATFORM_SETUP1 \
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PLATFORM_RELOCATE
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#else
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#define PLATFORM_SETUP1
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#endif
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//-----------------------------------------------------------------------------
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// end of hal_platform_setup.h
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#endif // CYGONCE_HAL_PLATFORM_SETUP_H
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