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Merge pull request #132 from MrVan/sep6200 

SEP6200 Support
This commit is contained in:
Bernard Xiong 2013-07-29 22:35:31 -07:00
parent ac850ef3f0 82bc21ff7b
commit e301d14979
21 changed files with 2985 additions and 0 deletions
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12
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from building import *
cwd = GetCurrentDir()
objs = []
list = os.listdir(cwd)
for d in list:
path = os.path.join(cwd, d)
if os.path.isfile(os.path.join(path, 'SConscript')):
objs = objs + SConscript(os.path.join(d, 'SConscript'))
Return('objs')

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import os
import sys
import rtconfig
if os.getenv('RTT_ROOT'):
RTT_ROOT = os.getenv('RTT_ROOT')
else:
RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
from building import *
TARGET = 'rtthread-sep6200.' + rtconfig.TARGET_EXT
env = Environment(tools = ['mingw'],
AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
AR = rtconfig.AR, ARFLAGS = '-rc',
LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
env.Replace(LINKCOM = ['$LINK $SOURCES $LINKFLAGS -o $TARGET'])
Export('RTT_ROOT')
Export('rtconfig')
# prepare building environment
objs = PrepareBuilding(env, RTT_ROOT)
# build program
env.Program(TARGET, objs)
# end building
EndBuilding(TARGET)

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from building import *
cwd = GetCurrentDir()
src = Glob('*.c')
CPPPATH = [cwd, str(Dir('#'))]
group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
Return('group')

89
bsp/sep6200/application/application.c Normal file
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/*
* File : application.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-7-14 Peng Fan Simple application
*/
/**
* @addtogroup sep6200
*/
/*@{*/
#include "board.h"
#include <rtthread.h>
#define RT_INIT_THREAD_STACK_SIZE (2*1024)
void rt_init_thread_entry(void *parameter)
{
while(1){
rt_thread_sleep(200);
rt_hw_console_output("init thread\n");
}
}
void rt_test1_thread_entry(void *parameter)
{
while(1){
rt_thread_sleep(800);
rt_hw_console_output("test1 thread\n");
}
}
void rt_test2_thread_entry(void *parameter)
{
while(1){
rt_thread_sleep(300);
rt_hw_console_output("test2 thread\n");
}
}
int rt_application_init(void)
{
rt_thread_t init_thread;
rt_thread_t test1_thread;
rt_thread_t test2_thread;
init_thread = rt_thread_create("init",
rt_init_thread_entry, RT_NULL,
RT_INIT_THREAD_STACK_SIZE, 8, 20);
test1_thread = rt_thread_create("test1",
rt_test1_thread_entry, RT_NULL,
512, 200, 20);
test2_thread = rt_thread_create("test2",
rt_test2_thread_entry, RT_NULL,
512, 200, 20);
if (init_thread != RT_NULL)
rt_thread_startup(init_thread);
if (test1_thread != RT_NULL)
rt_thread_startup(test1_thread);
if (test2_thread != RT_NULL)
rt_thread_startup(test2_thread);
return 0;
}
/*@}*/

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/*
* File : startup.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-7-14 Peng Fan Modified from mini4020
*/
#include <rthw.h>
#include <rtthread.h>
#include <board.h>
#include <serial.h>
#ifdef RT_USING_FINSH
#include <finsh.h>
#endif
#ifdef RT_USING_LWIP
#include <lwip/sys.h>
#include <netif/ethernetif.h>
#endif
#include <sep6200.h>
rt_uint8_t _irq_stack_start[1024];
rt_uint8_t _fiq_stack_start[1024];
rt_uint8_t _undefined_stack_start[512];
rt_uint8_t _abort_stack_start[512];
rt_uint8_t _priv_stack_start[4096]; SECTION(".nobss");
extern unsigned char __bss_start;
extern unsigned char __bss_end;
extern void rt_hw_board_init(void);
extern void rt_application_init(void);
extern void finsh_system_init(void);
extern void sd_init(void);
void rtthread_startup()
{
/* init hardware interrupt */
rt_hw_interrupt_init();
/* init board */
rt_hw_board_init();
/* show version */
rt_show_version();
/* init tick */
rt_system_tick_init();
/* init kernel object */
rt_system_object_init();
/* init timer system */
rt_system_timer_init();
/* init heap memory system */
rt_system_heap_init(&__bss_end, (void*)0x45000000);
/* init scheduler system */
rt_system_scheduler_init();
#ifdef RT_USING_DEVICE
#ifdef RT_USING_DFS
/* Not implemented */
#endif
#ifdef RT_USING_LWIP
/* Not implemented */
#endif
/*init all registed devices */
rt_device_init_all();
#endif
/* init application */
rt_application_init();
#ifdef RT_USING_FINSH
/* init finsh */
finsh_system_init();
#ifdef RT_USING_DEVICE
finsh_set_device("uart0");
#endif
#endif
rt_system_timer_thread_init();
/* init idle thread */
rt_thread_idle_init();
/* start scheduler */
rt_system_scheduler_start();
/* never reach here */
return ;
}

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/*
* File : board.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2006-10-08 Bernard add board.h to this bsp
* 2010-10-5 Wangmeng sep4020 implemention
* 2013-7-14 Peng Fan Modified from sep4020
*/
#ifndef __BOARD_H__
#define __BOARD_H__
#include <sep6200.h>
void rt_hw_board_init(void);
#endif

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from building import *
cwd = GetCurrentDir()
src = Glob('*.c')
# remove no need file.
if GetDepend('RT_USING_LWIP') == False:
SrcRemove(src, 'dm9161.c')
if GetDepend('RT_USING_DFS') == False:
SrcRemove(src, 'sdcard.c')
if GetDepend('RT_USING_RTGUI') == False:
SrcRemove(src, 'lcd.c')
SrcRemove(src, 'lcdc.c')
CPPPATH = [cwd]
group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
Return('group')

174
bsp/sep6200/drivers/board.c Normal file
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/*
* File : board.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-7-14 Peng Fan sep6200 implementation
*/
/**
* @addtogroup sep6200
*/
/*@{*/
#include <rthw.h>
#include <rtthread.h>
#include <serial.h>
#include <sep6200.h>
void rt_hw_serial_putc(const char c);
#define UART0 ((struct uartport *)SEP6200_UART0_BASE)
struct rt_device uart0_device;
struct serial_int_rx uart0_int_rx;
struct serial_device uart0 =
{
UART0,
&uart0_int_rx,
RT_NULL
};
/*
* This function will handle rtos timer
*/
void rt_timer_handler(int vector, void *param)
{
rt_uint32_t clear_int;
/* clear timer interrupt */
if (read_reg(SEP6200_TIMER_T2IMSR) & 0x1)
clear_int = read_reg(SEP6200_TIMER_T2ISCR);
rt_tick_increase();
}
/*
* This function will handle serial interrupt
*/
void rt_serial_handler(int vector, void *param)
{
rt_uint32_t num;
switch (vector) {
case INTSRC_UART0:
/*No interrupt*/
if ((*(RP)SEP6200_UART0_IIR & 0x1))
return;
/*Get the serial interrupt num*/
num = (*(RP)SEP6200_UART0_IIR >> 1) & 0x7;
/*Receive or timeout*/
if ((num == 6) || (num == 2))
rt_hw_serial_isr(&uart0_device);
break;
/*1,2,3 not implemented now, do in future*/
case INTSRC_UART1:
break;
case INTSRC_UART2:
break;
case INTSRC_UART3:
break;
}
}
/*
* This function will init timer2 for system ticks
*/
#define BUS4_FREQ 320000000UL
#define TIMER_CLK BUS4_FREQ
#define HZ 100
void rt_hw_timer_init(void)
{
*(RP)SEP6200_TIMER_T2LCR = (TIMER_CLK + HZ / 2) / HZ;
*(RP)SEP6200_TIMER_T2CR = 0x6;
rt_hw_interrupt_install(INTSRC_TIMER1, rt_timer_handler, RT_NULL, "timer");
rt_hw_interrupt_umask(INTSRC_TIMER1);
/* start the timer */
*(RP)SEP6200_TIMER_T2CR |= 0x1;
}
/*
* This function will init uart
*/
#define UART_CLK 60000000UL
void rt_hw_uart_init(void)
{
const rt_uint32_t uartclk = UART_CLK;
*(RP)(SEP6200_UART0_LCR) = 0x83;
*(RP)(SEP6200_UART0_DLBH) = (uartclk/16/115200) >> 8;
*(RP)(SEP6200_UART0_DLBL) = (uartclk/16/115200) & 0xff;
*(RP)(SEP6200_UART0_LCR) = 0x83 & (~(0x1 << 7));
*(RP)(SEP6200_UART0_FCR) = 0x0;
*(RP)(SEP6200_UART0_MCR) = 0x0;
*(RP)(SEP6200_UART0_IER) = 0x0;
/* Enable rx interrupt*/
*(RP)(SEP6200_UART0_IER) |= 0x1;
/* Disable tx interrupt*/
*(RP)(SEP6200_UART0_IER) &= ~(0x1 << 1);
rt_hw_interrupt_install(INTSRC_UART0, rt_serial_handler, RT_NULL, "uart0");
rt_hw_interrupt_umask(INTSRC_UART0);
rt_hw_serial_register(&uart0_device, "uart0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
&uart0);
}
void rt_hw_board_init(void)
{
int i = 0;
rt_hw_uart_init();
rt_hw_timer_init();
}
/*
* Write one char to serial, must not trigger interrupt
*/
void rt_hw_serial_putc(const char c)
{
if (c == '\n')
rt_hw_serial_putc('\r');
while (!((*(RP)SEP6200_UART0_LSR) & 0x40));
*(RP)(SEP6200_UART0_TXFIFO) = c;
}
/**
* This function is used by rt_kprintf to display a string on console.
*
* @param str the displayed string^M
*/
void rt_hw_console_output(const char *str)
{
while (*str) {
rt_hw_serial_putc(*str++);
}
}
/*@}*/

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/* RT-Thread config file */
#ifndef __RTTHREAD_CFG_H__
#define __RTTHREAD_CFG_H__
#define RT_DEBUG
/* #define RT_DEBUG_IRQ 1 */
/* #define RT_DEBUG_TIMER 1 */
/* #define RT_DEBUG_MEM 1 */
/* #define RT_DEBUG_MEMHEAP 1 */
/* #define RT_DEBUG_MODULE 1 */
/* #define RT_DEBUG_SCHEDULER 1 */
/* #define RT_DEBUG_SLAB 1 */
/* #define RT_DEBUG_THREAD 1 */
/* #define RT_DEBUG_IPC 1 */
/* RT_NAME_MAX*/
#define RT_NAME_MAX 8
/* RT_ALIGN_SIZE*/
#define RT_ALIGN_SIZE 4
/* PRIORITY_MAX */
#define RT_THREAD_PRIORITY_MAX 256
/* Tick per Second */
#define RT_TICK_PER_SECOND 100
/* SECTION: RT_DEBUG */
/* Thread Debug */
#define RT_DEBUG
/* #define RT_THREAD_DEBUG */
#define RT_USING_OVERFLOW_CHECK
/* Using Hook */
#define RT_USING_HOOK
/* Using Software Timer */
#define RT_USING_TIMER_SOFT
#define RT_TIMER_THREAD_PRIO 8
#define RT_TIMER_THREAD_STACK_SIZE 512
#define RT_TIMER_TICK_PER_SECOND 10
/* SECTION: IPC */
/* Using Semaphore */
#define RT_USING_SEMAPHORE
/* Using Mutex */
#define RT_USING_MUTEX
/* Using Event */
#define RT_USING_EVENT
/* Using MailBox */
#define RT_USING_MAILBOX
/* Using Message Queue */
#define RT_USING_MESSAGEQUEUE
/* SECTION: Memory Management */
/* Using Memory Pool Management*/
#define RT_USING_MEMPOOL
/* Using Dynamic Heap Management */
#define RT_USING_HEAP
/* Using Small MM */
/* #define RT_USING_SMALL_MEM */
/* Using SLAB Allocator */
#define RT_USING_SLAB
#define RT_USING_CONSOLE
/* SECTION: Device System */
/* Using Device System */
#define RT_USING_DEVICE
/* SECTION: Console options */
/* the buffer size of console */
#define RT_CONSOLEBUF_SIZE 128
/* SECTION: finsh, a C-Express shell */
/* Using FinSH as Shell*/
#define RT_USING_FINSH
#define FINSH_USING_SYMTAB
#define FINSH USING DESCRIPTION
/* SECTION: a runtime libc library */
/* a runtime libc library */
/* #define RT_USING_NEWLIB */
/* SECTION: a mini libc */
/* SECTION: C++ support */
/* Using C++ support */
/* #define RT_USING_CPLUSPLUS */
/* SECTION: Device filesystem support */
/* using DFS support */
/* #define RT_USING_DFS */
/* #define RT_USING_DFS_ELMFAT */
/* #define RT_USING_DFS_YAFFS2 */
/* #define DFS_USING_WORKDIR */
/* the max number of mounted filesystem */
#define DFS_FILESYSTEMS_MAX 2
/* the max number of opened files */
#define DFS_FD_MAX 16
/* the max number of cached sector */
#define DFS_CACHE_MAX_NUM 4
/* SECTION: lwip, a lighwight TCP/IP protocol stack */
/* Using lighweight TCP/IP protocol stack */
/* #define RT_USING_LWIP */
/* #define RT_LWIP_DNS */
/* Trace LwIP protocol */
/* #define RT_LWIP_DEBUG */
/* Enable ICMP protocol */
#define RT_LWIP_ICMP
/* Enable IGMP protocol */
#define RT_LWIP_IGMP
/* Enable UDP protocol */
#define RT_LWIP_UDP
/* Enable TCP protocol */
#define RT_LWIP_TCP
/* the number of simulatenously active TCP connections*/
#define RT_LWIP_TCP_PCB_NUM 5
/* TCP sender buffer space */
#define RT_LWIP_TCP_SND_BUF 1024*10
/* TCP receive window. */
#define RT_LWIP_TCP_WND 1024
/* Enable SNMP protocol */
/* #define RT_LWIP_SNMP */
/* Using DHCP */
/* #define RT_LWIP_DHCP */
/* ip address of target */
#define RT_LWIP_IPADDR0 192
#define RT_LWIP_IPADDR1 168
#define RT_LWIP_IPADDR2 1
#define RT_LWIP_IPADDR3 30
/* gateway address of target */
#define RT_LWIP_GWADDR0 192
#define RT_LWIP_GWADDR1 168
#define RT_LWIP_GWADDR2 1
#define RT_LWIP_GWADDR3 1
/* mask address of target */
#define RT_LWIP_MSKADDR0 255
#define RT_LWIP_MSKADDR1 255
#define RT_LWIP_MSKADDR2 255
#define RT_LWIP_MSKADDR3 0
/* the number of blocks for pbuf */
#define RT_LWIP_PBUF_NUM 16
/* thread priority of tcpip thread */
#define RT_LWIP_TCPTHREAD_PRIORITY 128
/* mail box size of tcpip thread to wait for */
#define RT_LWIP_TCPTHREAD_MBOX_SIZE 8
/* thread stack size of tcpip thread */
#define RT_LWIP_TCPTHREAD_STACKSIZE 4096
/* thread priority of ethnetif thread */
#define RT_LWIP_ETHTHREAD_PRIORITY 144
/* mail box size of ethnetif thread to wait for */
#define RT_LWIP_ETHTHREAD_MBOX_SIZE 32
/* thread stack size of ethnetif thread */
#define RT_LWIP_ETHTHREAD_STACKSIZE 1024
/* SECTION: RTGUI support */
/* using RTGUI support */
/* #define RT_USING_RTGUI */
/* name length of RTGUI object */
#define RTGUI_NAME_MAX 16
/* support 16 weight font */
#define RTGUI_USING_FONT16
/* support 16 weight font */
#define RTGUI_USING_FONT12
/* support Chinese font */
#define RTGUI_USING_FONTHZ
/* use DFS as file interface */
#define RTGUI_USING_DFS_FILERW
/* use font file as Chinese font */
/* #define RTGUI_USING_HZ_FILE */
/* use Chinese bitmap font */
#define RTGUI_USING_HZ_BMP
/* use small size in RTGUI */
/* #define RTGUI_USING_SMALL_SIZE */
/* use mouse cursor */
/* #define RTGUI_USING_MOUSE_CURSOR */
#endif

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import os
# toolchains options
ARCH = 'unicore32'
CPU = 'sep6200'
TextBase = '0x40000000'
CROSS_TOOL = 'gcc'
if os.getenv('RTT_CC'):
CROSS_TOOL = os.getenv('RTT_CC')
if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc'
EXEC_PATH = '/usr/unicore/gnu-toolchain-unicore/uc4-1.0-beta-hard-RHELAS5/bin/'
else :
print '================ERROR============================'
print 'Not support yet!'
print '================================================='
exit(0)
if os.getenv('RTT_EXEC_PATH'):
EXEC_PATH = os.getenv('RTT_EXEC_PATH')
#BUILD = 'debug'
BUILD = 'release'
if PLATFORM == 'gcc':
# toolchains
PREFIX = 'unicore32-linux-'
CC = PREFIX + 'gcc'
AS = PREFIX + 'gcc'
AR = PREFIX + 'ar'
LINK = PREFIX + 'ld'
TARGET_EXT = 'elf'
SIZE = PREFIX + 'size'
OBJDUMP = PREFIX + 'objdump'
OBJCPY = PREFIX + 'objcopy'
DEVICE = ' '
CFLAGS = DEVICE
AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp' + ' -DTEXT_BASE=' + TextBase
LFLAGS = DEVICE + ' -Bstatic --gc-sections -Map=rtthread_sep6200.map -cref -u _start -T sep6200.ld -L/usr/unicore/gnu-toolchain-unicore/uc4-1.0-beta-hard-RHELAS5/lib/gcc/unicore32-linux/4.4.2 -lgcc' + ' -Ttext ' + TextBase
CPATH = ''
LPATH = ''
if BUILD == 'debug':
CFLAGS += ' -O0 -gdwarf-2'
AFLAGS += ' -gdwarf-2'
else:
CFLAGS += ' -O2'
POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'

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OUTPUT_FORMAT("elf32-littleunicore32", "elf32-bigunicore32", "elf32-littleunicore32")
OUTPUT_ARCH(unicore32)
ENTRY(_start)
SEARCH_DIR("/usr/unicore/gnu-toolchain-unicore/uc4-1.0-beta-hard-RHELAS5/unicore32-linux/lib");
SECTIONS
{
. = 0x00000000;
. = ALIGN(4);
.text :
{
*(.init)
*(.text)
*(.gnu.linkonce.t*)
/* section information for finsh shell */
. = ALIGN(4);
__fsymtab_start = .;
KEEP(*(FSymTab))
__fsymtab_end = .;
. = ALIGN(4);
__vsymtab_start = .;
KEEP(*(VSymTab))
__vsymtab_end = .;
. = ALIGN(4);
/* section information for modules */
. = ALIGN(4);
__rtmsymtab_start = .;
KEEP(*(RTMSymTab))
__rtmsymtab_end = .;
}
. = ALIGN(4);
.rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r*) *(.eh_frame) }
. = ALIGN(4);
.ctors :
{
PROVIDE(__ctors_start__ = .);
KEEP(*(SORT(.ctors.*)))
KEEP(*(.ctors))
PROVIDE(__ctors_end__ = .);
}
.dtors :
{
PROVIDE(__dtors_start__ = .);
KEEP(*(SORT(.dtors.*)))
KEEP(*(.dtors))
PROVIDE(__dtors_end__ = .);
}
. = ALIGN(4);
.data :
{
*(.data)
*(.data.*)
*(.gnu.linkonce.d*)
}
. = ALIGN(4);
.nobss : { *(.nobss) }
/*. = 0x00300000*/
. = ALIGN(4);
__bss_start = .;
.bss : { *(.bss) }
__bss_end = .;
/* stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_info 0 : { *(.debug_info) }
.debug_line 0 : { *(.debug_line) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_aranges 0 : { *(.debug_aranges) }
_end = .;
}

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/*
* File : context_gcc.S
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-7-14 Peng Fan sep6200 implementation
*/
/**
* \addtogroup sep6200
*/
/*@{*/
#define NOINT 0xc0
/*
* rt_base_t rt_hw_interrupt_disable();
*/
.globl rt_hw_interrupt_disable
.type rt_hw_interrupt_disable, %function
rt_hw_interrupt_disable:
stw.w r1, [sp-], #4
mov r0, asr
or r1, r0, #NOINT
mov.a asr, r1
ldw.w r1, [sp]+, #4
mov pc, lr
/*
* void rt_hw_interrupt_enable(rt_base_t level);
*/
.globl rt_hw_interrupt_enable
.type rt_hw_interrupt_disable, %function
rt_hw_interrupt_enable:
mov.a asr, r0
mov pc, lr
/*
* void rt_hw_context_switch(rt_uint32 from, rt_uint32 to);
* r0 --> from
* r1 --> to
*/
.globl rt_hw_context_switch
.type rt_hw_interrupt_disable, %function
rt_hw_context_switch:
stm.w (lr), [sp-]
stm.w (r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28, lr), [sp-]
stm.w (r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15), [sp-]
mov r4, asr
stm.w (r4), [sp-]
mov r4, bsr
stm.w (r4), [sp-]
stw sp, [r0+]
ldw sp, [r1+]
ldm.w (r4), [sp]+
mov.a bsr,r4
ldm.w (r4), [sp]+
mov.a asr, r4
ldm.w (r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15), [sp]+
ldm.w (r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28, lr, pc), [sp]+
/*
* void rt_hw_context_switch_to(rt_uint32 to);
* r0 --> to
*/
.globl rt_hw_context_switch_to
rt_hw_context_switch_to:
ldw sp, [r0+]
ldm.w (r4), [sp]+
mov.a bsr, r4
ldm.w (r4), [sp]+
mov.a asr, r4
ldm.w (r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15), [sp]+
ldm.w (r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28, lr, pc), [sp]+
/*
* void rt_hw_context_switch_interrupt(rt_uint32 from, rt_uint32 to);
*/
.globl rt_thread_switch_interrupt_flag
.globl rt_interrupt_from_thread
.globl rt_interrupt_to_thread
.globl rt_hw_context_switch_interrupt
rt_hw_context_switch_interrupt:
ldw r2, =rt_thread_switch_interrupt_flag
ldw r3, [r2+]
cmpsub.a r3, #1
beq _reswitch
mov r3, #1
stw r3, [r2+]
ldw r2, =rt_interrupt_from_thread
stw r0, [r2+]
_reswitch:
ldw r2, =rt_interrupt_to_thread
stw r1, [r2+]
mov pc, lr

290
libcpu/unicore32/sep6200/cpu.c Normal file
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/*
* File : cpu.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-7-14 Peng Fan sep6200 implementation
*/
#include <rthw.h>
#include <rtthread.h>
#include <sep6200.h>
/**
* @addtogroup sep6200
*/
/*@{*/
#ifdef __GNUC__
rt_inline void cache_invalid(void)
{
__asm__ volatile ("movc p0.c5, r1, #28\n"
"nop;nop;nop;nop;nop;nop;nop;nop;\n"
:
:
:"memory", "cc"
);
}
rt_inline void cache_enable(void)
{
__asm__ volatile ( "movc r1, p0.c1, #0\n"
"or r1, r1, #0xc\n"
"movc p0.c1, r1, #0\n"
"nop;nop;nop;nop;nop;nop;nop;nop;\n"
:
:
:"r0", "memory", "cc");
}
rt_inline void clean_dcache(void)
{
__asm__ volatile ( "mov ip, #0\n"
"movc p0.c5, ip, #10\n"
"nop; nop; nop; nop; nop; nop; nop; nop\n"
:
:
:"ip", "memory", "cc");
}
rt_inline rt_uint32_t icache_status(void)
{
rt_uint32_t ret;
__asm__ volatile ( "movc %0, p0.c1, #0\n"
"and %0, %0, #8\n"
: "=&r" (ret)
:
:"memory", "cc");
return ret;
}
rt_inline rt_uint32_t dcache_status(void)
{
rt_uint32_t ret;
__asm__ volatile ( "movc %0, p0.c1, #0\n"
"and %0, %0, #4\n"
: "=&r" (ret)
:
:"memory", "cc");
return ret;
}
rt_inline void dcache_flush(void)
{
__asm__ volatile ( "mov ip, #0\n"
"movc p0.c5, ip, #14\n"
"nop; nop; nop; nop; nop; nop; nop; nop\n"
:
:
: "ip" );
}
rt_inline void icache_invalid(void)
{
__asm__ volatile ( "mov r0, #0\n"
"movc p0.c5, r0, #20\n"
"nop; nop; nop; nop; nop; nop; nop; nop\n"
:
:
:"r0", "memory", "cc");
}
rt_inline void dcache_invalid(void)
{
__asm__ volatile ( "mov r0, #0\n"
"movc p0.c5, r0, #12\n"
"nop; nop; nop; nop; nop; nop; nop; nop\n"
:
:
:"r0", "memory", "cc");
}
rt_inline void icache_disable(void)
{
icache_invalid();
__asm__ volatile ( "movc r0, p0.c1, #0\n"
"andn r0, r0, #8\n"
"movc p0.c1, r0, #0\n"
:
:
:"r0", "memory", "cc");
}
rt_inline void dcache_disable(void)
{
dcache_flush();
__asm__ volatile ( "movc r0, p0.c1, #0\n"
"andn r0, r0, #20\n"
"movc p0.c1, r0, #0\n"
:
:
:"r0", "memory", "cc");
}
rt_inline void icache_enable(void)
{
__asm__ volatile ( "mov r0, #0\n"
"movc p0.c5, r0, #20\n"
"nop; nop; nop; nop; nop; nop; nop; nop\n"
:
:
:"r0", "memory", "cc");
__asm__ volatile ( "movc r0, p0.c1, #0\n"
"or r0, r0, #8\n"
"movc p0.c1, r0, #0\n"
:
:
:"r0", "memory", "cc");
}
rt_inline void dcache_enable(void)
{
__asm__ volatile ( "mov r0, #0\n"
"movc p0.c5, r0, #12\n"
"nop; nop; nop; nop; nop; nop; nop; nop\n"
:
:
:"r0", "memory", "cc");
__asm__ volatile ( "movc r0, p0.c1, #0\n"
"or r0, r0, #20\n"
"movc p0.c1, r0, #0\n"
:
:
:"r0", "memory", "cc");
}
#endif
/**
* enable I-Cache
*
*/
void rt_hw_cpu_icache_enable()
{
icache_enable();
}
/**
* disable I-Cache
*
*/
void rt_hw_cpu_icache_disable()
{
icache_disable();
}
/**
* return the status of I-Cache
*
*/
rt_base_t rt_hw_cpu_icache_status()
{
return icache_status();
}
/**
* enable D-Cache
*
*/
void rt_hw_cpu_dcache_enable()
{
dcache_enable();
}
/**
* disable D-Cache
*
*/
void rt_hw_cpu_dcache_disable()
{
dcache_disable();
}
/**
* return the status of D-Cache
*
*/
rt_base_t rt_hw_cpu_dcache_status()
{
return dcache_status();
}
static void sep6200_reset(rt_uint32_t addr)
{
__asm__ volatile ( "mov ip, #0\n"
"movc p0.c5, ip, #28\n" /*Cache invalidate all*/
"movc p0.c6, ip, #6\n" /*TLB invalidate all*/
"nop;nop;nop;nop;nop;nop;nop;nop;\n"
"movc ip, p0.c1, #0\n" /*ctrl register*/
"andn ip, ip, #0x000f\n" /*disable caches and mmu*/
"movc p0.c1, ip, #0\n"
"nop\n"
"mov pc, %0\n"
"nop;nop;nop;nop;nop;nop;nop;nop;\n"
: "=&r" (addr)
:
:"memory", "cc");
}
static void sep6200_poweroff(void)
{
rt_kprintf("sep6200 power off not implemented\n");
while(1);
}
/**
* reset cpu by dog's time-out
*
*/
void rt_hw_cpu_reset()
{
rt_kprintf("Soft reset, Restarting system...\n");
sep6200_reset(0);
while(1); /* loop forever and wait for reset to happen */
/* NEVER REACHED */
}
/**
* shutdown CPU
*
*/
void rt_hw_cpu_shutdown()
{
rt_uint32_t level;
rt_kprintf("shutdown...\n");
level = rt_hw_interrupt_disable();
sep6200_poweroff();
while (level)
{
RT_ASSERT(0);
}
}
/*@}*/

223
libcpu/unicore32/sep6200/interrupt.c Normal file
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/*
* File : interrupt.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-7-14 Peng Fan sep6200 implementation
*/
#include <rtthread.h>
#include <rthw.h>
#include <sep6200.h>
#define MAX_HANDLERS 64
#define SEP6200_IRQ_TYPE 0
#define SEP6200_FIQ_TYPE 1
#define int_enable_all() \
do { \
*(volatile unsigned long*)SEP6200_VIC_INT_EN_L = ~0x0;\
*(volatile unsigned long*)SEP6200_VIC_INT_EN_H = ~0x0;\
}while(0)
#define int_disable_all() \
do { \
*(volatile unsigned long*)SEP6200_VIC_INT_EN_L = 0x0;\
*(volatile unsigned long*)SEP6200_VIC_INT_EN_H = 0x0;\
}while(0)
#define mask_all_int(int_type) \
do { \
if (int_type == SEP6200_IRQ_TYPE){ \
*(volatile unsigned long*)SEP6200_VIC_INT_MSK_ALL = 0x1;\
} else if (int_type == SEP6200_FIQ_TYPE) {\
*(volatile unsigned long*)SEP6200_VIC_INT_MSK_ALL = 0x2;\
}\
}while(0)
#define unmask_all_int(int_type)\
do { \
if (int_type == SEP6200_IRQ_TYPE){ \
*(volatile unsigned long*)SEP6200_VIC_INT_MSK_ALL = ~0x1;\
} else if (int_type == SEP6200_FIQ_TYPE) {\
*(volatile unsigned long*)SEP6200_VIC_INT_MSK_ALL = ~0x2;\
}\
}while(0)
#define SEP6200_INT_SET(intnum) \
do{ \
if(intnum < 32) \
*(volatile unsigned long*)SEP6200_VIC_SFT_INT_L |= (1 << intnum); \
else \
*(volatile unsigned long*)SEP6200_VIC_SFT_INT_H |= (1 << (intnum - 32)); \
}while(0)
#define SEP6200_INT_CLR(intnum) \
do{ \
if(intnum < 32) \
*(volatile unsigned long*)SEP6200_VIC_SFT_INT_L &= ~(1 << intnum);\
else \
*(volatile unsigned long*)SEP6200_VIC_SFT_INT_H &= ~(1 << (intnum - 32)); \
}while(0)
#define SEP6200_INT_ENABLE(intnum)\
do{ \
if(intnum < 32) \
*(volatile unsigned long*)SEP6200_VIC_INT_EN_L |= (1 << intnum); \
else \
*(volatile unsigned long*)SEP6200_VIC_INT_EN_H |= (1 << (intnum - 32)); \
}while(0)
#define SEP6200_INT_DISABLE(intnum) \
do{ \
if(intnum < 32) \
*(volatile unsigned long*)SEP6200_VIC_INT_EN_L &= ~(1 << intnum); \
else \
*(volatile unsigned long*)SEP6200_VIC_INT_EN_H &= ~(1 << (intnum - 32)); \
}while(0)
extern rt_uint32_t rt_interrupt_nest;
/* exception and interrupt handler table */
struct rt_irq_desc isr_table[MAX_HANDLERS];
rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
rt_uint32_t rt_thread_switch_interrupt_flag;
/* --------------------------------------------------------------------
* Interrupt initialization
* -------------------------------------------------------------------- */
/**
* @addtogroup sep6200
*/
/*@{*/
void rt_hw_interrupt_mask(int irq);
void rt_hw_interrupt_umask(int irq);
rt_inline void sep6200_irq_enable(rt_uint32_t irq)
{
SEP6200_INT_ENABLE(irq);
}
rt_inline void sep6200_irq_disable(rt_uint32_t irq)
{
SEP6200_INT_DISABLE(irq);
}
rt_inline void sep6200_irq_unmask(rt_uint32_t irq)
{
SEP6200_INT_ENABLE(irq);
}
rt_inline void sep6200_irq_mask(rt_uint32_t irq)
{
SEP6200_INT_DISABLE(irq);
}
rt_isr_handler_t rt_hw_interrupt_handle(rt_uint32_t vector)
{
rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
return RT_NULL;
}
/**
* This function will initialize hardware interrupt
*/
void rt_hw_interrupt_init(void)
{
rt_int32_t i;
register rt_uint32_t idx;
/* init exceptions table */
for(idx=0; idx < MAX_HANDLERS; idx++)
{
isr_table[idx].handler = (rt_isr_handler_t)rt_hw_interrupt_handle;
}
int_disable_all();
mask_all_int(SEP6200_FIQ_TYPE);
//int_enable_all();
unmask_all_int(SEP6200_IRQ_TYPE);
/* init interrupt nest, and context in thread sp */
rt_interrupt_nest = 0;
rt_interrupt_from_thread = 0;
rt_interrupt_to_thread = 0;
rt_thread_switch_interrupt_flag = 0;
}
/**
* This function will mask a interrupt.
* @param vector the interrupt number
*/
void rt_hw_interrupt_mask(int irq)
{
if (irq >= MAX_HANDLERS) {
rt_kprintf("Wrong irq num to mask\n");
} else {
sep6200_irq_mask(irq);
}
}
/**
* This function will un-mask a interrupt.
* @param vector the interrupt number
*/
void rt_hw_interrupt_umask(int irq)
{
if (irq >= MAX_HANDLERS) {
rt_kprintf("Wrong irq num to unmask\n");
} else {
sep6200_irq_unmask(irq);
}
}
/**
* This function will install a interrupt service routine to a interrupt.
* @param vector the interrupt number
* @param new_handler the interrupt service routine to be installed
* @param old_handler the old interrupt service routine
*/
rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
void *param, char *name)
{
rt_isr_handler_t old_handler = RT_NULL;
if(vector < MAX_HANDLERS)
{
old_handler = isr_table[vector].handler;
if (handler != RT_NULL)
{
#ifdef RT_USING_INTERRUPT_INFO
rt_strncpy(isr_table[vector].name, name, RT_NAME_MAX);
#endif /* RT_USING_INTERRUPT_INFO */
isr_table[vector].handler = handler;
isr_table[vector].param = param;
}
}
return old_handler;
}
/*@}*/

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/*
* File : sep6200.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-7-17 Peng Fan sep6200 implementation
*/
#ifndef __SEP6200_H
#define __SEP6200_H
#include <rtthread.h>
/*Core definations*/
#define PRIVMODE 0x13
#define Mode_USR 0x10
#define Mode_REAL 0x11
#define Mode_IRQ 0x12
#define Mode_PRIV 0x13
#define Mode_TRAP 0x17
#define Mode_EXT 0x1B
#define Mode_SUSR 0x1F
/*
* Address
*/
#define SEP6200_VIC_BASE 0xb0000000
#define SEP6200_PMU_BASE 0xb0001000
#define SEP6200_RTC_BASE 0xb0002000
#define SEP6200_TIMER_BASE 0xb0003000
#define SEP6200_PWM_BASE 0xb0004000
#define SEP6200_GPIO_BASE 0xb0006000
#define SEP6200_TOUCH_ADC 0xb0007000
#define SEP6200_SYSCTL_BASE 0xb0008000
#define SEP6200_UART0_BASE 0xb1000000
#define SEP6200_UART1_BASE 0xb1001000
#define SEP6200_UART2_BASE 0xb1002000
#define SEP6200_UART3_BASE 0xb1003000
#define SEP6200_SSI1_BASE 0xb1004000
#define SEP6200_SSI2_BASE 0xb1005000
#define SEP6200_SSI3_BASE 0xb1006000
#define SEP6200_I2C_BASE 0xb1007000
#define SEP6200_I2S_BASE 0xb1008000
#define SEP6200_USB_BASE 0xb1010000
#define SEP6200_DMAC2_BASE 0xb1011000
#define SEP6200_ESRAM_BASE 0xb2000000
#define SEP6200_NORREG_BASE0xb2020000
#define SEP6200_SDIO1_BASE 0xb2022000
#define SEP6200_SDIO2_BASE 0xb2023000
#define SEP6200_LCDC_BASE 0xb2025000
#define SEP6200_VPU_BASE 0xb2026000
#define SEP6200_DMAC1_BASE 0xb2027000
#define SEP6200_DDR2_REG 0xb3000000
#define SEP6200_DDR_MEM 0x40000000
#define SEP6200_UART0_DLBL (SEP6200_UART0_BASE+0x00)
#define SEP6200_UART0_RXFIFO (SEP6200_UART0_BASE+0x00)
#define SEP6200_UART0_TXFIFO (SEP6200_UART0_BASE+0x00)
#define SEP6200_UART0_DLBH (SEP6200_UART0_BASE+0x04)
#define SEP6200_UART0_IER (SEP6200_UART0_BASE+0x04)
#define SEP6200_UART0_IIR (SEP6200_UART0_BASE+0x08)
#define SEP6200_UART0_FCR (SEP6200_UART0_BASE+0x08)
#define SEP6200_UART0_LCR (SEP6200_UART0_BASE+0x0c)
#define SEP6200_UART0_MCR (SEP6200_UART0_BASE+0x10)
#define SEP6200_UART0_LSR (SEP6200_UART0_BASE+0x14)
#define SEP6200_UART0_MSR (SEP6200_UART0_BASE+0x18)
#define SEP6200_TIMER_T1LCR (SEP6200_TIMER_BASE + 0X000)
#define SEP6200_TIMER_T1CCR (SEP6200_TIMER_BASE + 0X004)
#define SEP6200_TIMER_T1CR (SEP6200_TIMER_BASE + 0X008)
#define SEP6200_TIMER_T1ISCR (SEP6200_TIMER_BASE + 0X00C)
#define SEP6200_TIMER_T1IMSR (SEP6200_TIMER_BASE + 0X010)
#define SEP6200_TIMER_T2LCR (SEP6200_TIMER_BASE + 0X020)
#define SEP6200_TIMER_T2CCR (SEP6200_TIMER_BASE + 0X024)
#define SEP6200_TIMER_T2CR (SEP6200_TIMER_BASE + 0X028)
#define SEP6200_TIMER_T2ISCR (SEP6200_TIMER_BASE + 0X02C)
#define SEP6200_TIMER_T2IMSR (SEP6200_TIMER_BASE + 0X030)
#define SEP6200_TIMER_T3LCR (SEP6200_TIMER_BASE + 0X040)
#define SEP6200_TIMER_T3CCR (SEP6200_TIMER_BASE + 0X044)
#define SEP6200_TIMER_T3CR (SEP6200_TIMER_BASE + 0X048)
#define SEP6200_TIMER_T3ISCR (SEP6200_TIMER_BASE + 0X04C)
#define SEP6200_TIMER_T3IMSR (SEP6200_TIMER_BASE + 0X050)
#define SEP6200_TIMER_T3CAPR (SEP6200_TIMER_BASE + 0X054)
#define SEP6200_TIMER_T4LCR (SEP6200_TIMER_BASE + 0X060)
#define SEP6200_TIMER_T4CCR (SEP6200_TIMER_BASE + 0X064)
#define SEP6200_TIMER_T4CR (SEP6200_TIMER_BASE + 0X068)
#define SEP6200_TIMER_T4ISCR (SEP6200_TIMER_BASE + 0X06C)
#define SEP6200_TIMER_T4IMSR (SEP6200_TIMER_BASE + 0X070)
#define SEP6200_TIMER_T4CAPR (SEP6200_TIMER_BASE + 0X074)
#define SEP6200_TIMER_T5LCR (SEP6200_TIMER_BASE + 0X080)
#define SEP6200_TIMER_T5CCR (SEP6200_TIMER_BASE + 0X084)
#define SEP6200_TIMER_T5CR (SEP6200_TIMER_BASE + 0X088)
#define SEP6200_TIMER_T5ISCR (SEP6200_TIMER_BASE + 0X08C)
#define SEP6200_TIMER_T5IMSR (SEP6200_TIMER_BASE + 0X090)
#define SEP6200_TIMER_T5CAPR (SEP6200_TIMER_BASE + 0X094)
#define SEP6200_TIMER_T6LCR (SEP6200_TIMER_BASE + 0X0A0)
#define SEP6200_TIMER_T6CCR (SEP6200_TIMER_BASE + 0X0A4)
#define SEP6200_TIMER_T6CR (SEP6200_TIMER_BASE + 0X0A8)
#define SEP6200_TIMER_T6ISCR (SEP6200_TIMER_BASE + 0X0AC)
#define SEP6200_TIMER_T6IMSR (SEP6200_TIMER_BASE + 0X0B0)
#define SEP6200_TIMER_T6CAPR (SEP6200_TIMER_BASE + 0X0B4)
#define SEP6200_TIMER_T7LCR (SEP6200_TIMER_BASE + 0X0C0)
#define SEP6200_TIMER_T7CCR (SEP6200_TIMER_BASE + 0X0C4)
#define SEP6200_TIMER_T7CR (SEP6200_TIMER_BASE + 0X0C8)
#define SEP6200_TIMER_T7ISCR (SEP6200_TIMER_BASE + 0X0CC)
#define SEP6200_TIMER_T7IMSR (SEP6200_TIMER_BASE + 0X0D0)
#define SEP6200_TIMER_T8LCR (SEP6200_TIMER_BASE + 0X0E0)
#define SEP6200_TIMER_T8CCR (SEP6200_TIMER_BASE + 0X0E4)
#define SEP6200_TIMER_T8CR (SEP6200_TIMER_BASE + 0X0E8)
#define SEP6200_TIMER_T8ISCR (SEP6200_TIMER_BASE + 0X0EC)
#define SEP6200_TIMER_T8IMSR (SEP6200_TIMER_BASE + 0X0F0)
#define SEP6200_TIMER_T9LCR (SEP6200_TIMER_BASE + 0X100)
#define SEP6200_TIMER_T9CCR (SEP6200_TIMER_BASE + 0X104)
#define SEP6200_TIMER_T9CR (SEP6200_TIMER_BASE + 0X108)
#define SEP6200_TIMER_T9ISCR (SEP6200_TIMER_BASE + 0X10C)
#define SEP6200_TIMER_T9IMSR (SEP6200_TIMER_BASE + 0X110)
#define SEP6200_TIMER_T10LCR (SEP6200_TIMER_BASE + 0X120)
#define SEP6200_TIMER_T10CCR (SEP6200_TIMER_BASE + 0X124)
#define SEP6200_TIMER_T10CR (SEP6200_TIMER_BASE + 0X128)
#define SEP6200_TIMER_T10ISCR (SEP6200_TIMER_BASE + 0X12C)
#define SEP6200_TIMER_T10IMSR (SEP6200_TIMER_BASE + 0X130)
#define SEP6200_TIMER_TIMSR (SEP6200_TIMER_BASE + 0X140)
#define SEP6200_TIMER_TISCR (SEP6200_TIMER_BASE + 0X144)
#define SEP6200_TIMER_TISR (SEP6200_TIMER_BASE + 0X148)
#define SEP6200_VIC_INT_SLT_L (SEP6200_VIC_BASE + 0x000)
#define SEP6200_VIC_INT_SLT_H (SEP6200_VIC_BASE + 0x004)
#define SEP6200_VIC_INT_EN_L (SEP6200_VIC_BASE + 0x008)
#define SEP6200_VIC_INT_EN_H (SEP6200_VIC_BASE + 0x00C)
#define SEP6200_VIC_INT_EN_CLR_L (SEP6200_VIC_BASE + 0x010)
#define SEP6200_VIC_INT_EN_CLR_H (SEP6200_VIC_BASE + 0x014)
#define SEP6200_VIC_SFT_INT_L (SEP6200_VIC_BASE + 0x018)
#define SEP6200_VIC_SFT_INT_H (SEP6200_VIC_BASE + 0x01C)
#define SEP6200_VIC_SFT_INT_CLR_L (SEP6200_VIC_BASE + 0x020)
#define SEP6200_VIC_SFT_INT_CLR_H (SEP6200_VIC_BASE + 0x024)
#define SEP6200_VIC_INT_MSK_ALL (SEP6200_VIC_BASE + 0x028)
#define SEP6200_VIC_RAW_INT_SRC_L (SEP6200_VIC_BASE + 0x030)
#define SEP6200_VIC_RAW_INT_SRC_H (SEP6200_VIC_BASE + 0x034)
#define SEP6200_VIC_RAW_IRQ_STS_L (SEP6200_VIC_BASE + 0x038)
#define SEP6200_VIC_RAW_IRQ_STS_H (SEP6200_VIC_BASE + 0x03C)
#define SEP6200_VIC_RAW_FIQ_STS_L (SEP6200_VIC_BASE + 0x040)
#define SEP6200_VIC_RAW_FIQ_STS_H (SEP6200_VIC_BASE + 0x044)
#define SEP6200_VIC_MSK_IRQ_STS_L (SEP6200_VIC_BASE + 0x048)
#define SEP6200_VIC_MSK_IRQ_STS_H (SEP6200_VIC_BASE + 0x04C)
#define SEP6200_VIC_MSK_FIQ_STS_L (SEP6200_VIC_BASE + 0x050)
#define SEP6200_VIC_MSK_FIQ_STS_H (SEP6200_VIC_BASE + 0x054)
#define SEP6200_VIC_IRQ_PENDING_L (SEP6200_VIC_BASE + 0x058)
#define SEP6200_VIC_IRQ_PENDING_H (SEP6200_VIC_BASE + 0x05C)
#define SEP6200_VIC_FIQ_PENDING_L (SEP6200_VIC_BASE + 0x060)
#define SEP6200_VIC_FIQ_PENDING_H (SEP6200_VIC_BASE + 0x064)
#define SEP6200_VIC_IRQ_VECTOR_BASE (SEP6200_VIC_BASE + 0x070)
#define SEP6200_VIC_FIQ_VECTOR_BASE (SEP6200_VIC_BASE + 0x074)
#define SEP6200_VIC_IRQ_VECTOR_NUM (SEP6200_VIC_BASE + 0x078)
#define SEP6200_VIC_FIQ_VECTOR_NUM (SEP6200_VIC_BASE + 0x07C)
#define SEP6200_VIC_IRQ_VECTOR_ADDR (SEP6200_VIC_BASE + 0x080)
#define SEP6200_VIC_FIQ_VECTOR_ADDR (SEP6200_VIC_BASE + 0x084)
#define SEP6200_VIC_PROIRTY_MASK (SEP6200_VIC_BASE + 0x090)
#define SEP6200_VIC_VECTOR_PROIRTY00 (SEP6200_VIC_BASE + 0x100)
#define SEP6200_VIC_VECTOR_PROIRTY01 (SEP6200_VIC_BASE + 0x104)
#define SEP6200_VIC_VECTOR_PROIRTY02 (SEP6200_VIC_BASE + 0x108)
#define SEP6200_VIC_VECTOR_PROIRTY03 (SEP6200_VIC_BASE + 0x10C)
#define SEP6200_VIC_VECTOR_PROIRTY04 (SEP6200_VIC_BASE + 0x110)
#define SEP6200_VIC_VECTOR_PROIRTY05 (SEP6200_VIC_BASE + 0x114)
#define SEP6200_VIC_VECTOR_PROIRTY06 (SEP6200_VIC_BASE + 0x118)
#define SEP6200_VIC_VECTOR_PROIRTY07 (SEP6200_VIC_BASE + 0x11C)
#define SEP6200_VIC_VECTOR_PROIRTY08 (SEP6200_VIC_BASE + 0x120)
#define SEP6200_VIC_VECTOR_PROIRTY09 (SEP6200_VIC_BASE + 0x124)
#define SEP6200_VIC_VECTOR_PROIRTY10 (SEP6200_VIC_BASE + 0x128)
#define SEP6200_VIC_VECTOR_PROIRTY11 (SEP6200_VIC_BASE + 0x12C)
#define SEP6200_VIC_VECTOR_PROIRTY12 (SEP6200_VIC_BASE + 0x130)
#define SEP6200_VIC_VECTOR_PROIRTY13 (SEP6200_VIC_BASE + 0x134)
#define SEP6200_VIC_VECTOR_PROIRTY14 (SEP6200_VIC_BASE + 0x138)
#define SEP6200_VIC_VECTOR_PROIRTY15 (SEP6200_VIC_BASE + 0x13C)
#define SEP6200_VIC_VECTOR_PROIRTY16 (SEP6200_VIC_BASE + 0x140)
#define SEP6200_VIC_VECTOR_PROIRTY17 (SEP6200_VIC_BASE + 0x144)
#define SEP6200_VIC_VECTOR_PROIRTY18 (SEP6200_VIC_BASE + 0x148)
#define SEP6200_VIC_VECTOR_PROIRTY19 (SEP6200_VIC_BASE + 0x14C)
#define SEP6200_VIC_VECTOR_PROIRTY20 (SEP6200_VIC_BASE + 0x150)
#define SEP6200_VIC_VECTOR_PROIRTY21 (SEP6200_VIC_BASE + 0x154)
#define SEP6200_VIC_VECTOR_PROIRTY22 (SEP6200_VIC_BASE + 0x158)
#define SEP6200_VIC_VECTOR_PROIRTY23 (SEP6200_VIC_BASE + 0x15C)
#define SEP6200_VIC_VECTOR_PROIRTY24 (SEP6200_VIC_BASE + 0x160)
#define SEP6200_VIC_VECTOR_PROIRTY25 (SEP6200_VIC_BASE + 0x164)
#define SEP6200_VIC_VECTOR_PROIRTY26 (SEP6200_VIC_BASE + 0x168)
#define SEP6200_VIC_VECTOR_PROIRTY27 (SEP6200_VIC_BASE + 0x16C)
#define SEP6200_VIC_VECTOR_PROIRTY28 (SEP6200_VIC_BASE + 0x170)
#define SEP6200_VIC_VECTOR_PROIRTY29 (SEP6200_VIC_BASE + 0x174)
#define SEP6200_VIC_VECTOR_PROIRTY30 (SEP6200_VIC_BASE + 0x178)
#define SEP6200_VIC_VECTOR_PROIRTY31 (SEP6200_VIC_BASE + 0x17C)
#define SEP6200_VIC_VECTOR_PROIRTY32 (SEP6200_VIC_BASE + 0x180)
#define SEP6200_VIC_VECTOR_PROIRTY33 (SEP6200_VIC_BASE + 0x184)
#define SEP6200_VIC_VECTOR_PROIRTY34 (SEP6200_VIC_BASE + 0x188)
#define SEP6200_VIC_VECTOR_PROIRTY35 (SEP6200_VIC_BASE + 0x18C)
#define SEP6200_VIC_VECTOR_PROIRTY36 (SEP6200_VIC_BASE + 0x190)
#define SEP6200_VIC_VECTOR_PROIRTY37 (SEP6200_VIC_BASE + 0x194)
#define SEP6200_VIC_VECTOR_PROIRTY38 (SEP6200_VIC_BASE + 0x198)
#define SEP6200_VIC_VECTOR_PROIRTY39 (SEP6200_VIC_BASE + 0x19C)
#define SEP6200_VIC_VECTOR_PROIRTY40 (SEP6200_VIC_BASE + 0x1A0)
#define SEP6200_VIC_VECTOR_PROIRTY41 (SEP6200_VIC_BASE + 0x1A4)
#define SEP6200_VIC_VECTOR_PROIRTY42 (SEP6200_VIC_BASE + 0x1A8)
#define SEP6200_VIC_VECTOR_PROIRTY43 (SEP6200_VIC_BASE + 0x1AC)
#define SEP6200_VIC_VECTOR_PROIRTY44 (SEP6200_VIC_BASE + 0x1B0)
#define SEP6200_VIC_VECTOR_PROIRTY45 (SEP6200_VIC_BASE + 0x1B4)
#define SEP6200_VIC_VECTOR_PROIRTY46 (SEP6200_VIC_BASE + 0x1B8)
#define SEP6200_VIC_VECTOR_PROIRTY47 (SEP6200_VIC_BASE + 0x1BC)
#define SEP6200_VIC_VECTOR_PROIRTY48 (SEP6200_VIC_BASE + 0x1C0)
#define SEP6200_VIC_VECTOR_PROIRTY49 (SEP6200_VIC_BASE + 0x1C4)
#define SEP6200_VIC_VECTOR_PROIRTY50 (SEP6200_VIC_BASE + 0x1C8)
#define SEP6200_VIC_VECTOR_PROIRTY51 (SEP6200_VIC_BASE + 0x1CC)
#define SEP6200_VIC_VECTOR_PROIRTY52 (SEP6200_VIC_BASE + 0x1D0)
#define SEP6200_VIC_VECTOR_PROIRTY53 (SEP6200_VIC_BASE + 0x1D4)
#define SEP6200_VIC_VECTOR_PROIRTY54 (SEP6200_VIC_BASE + 0x1D8)
#define SEP6200_VIC_VECTOR_PROIRTY55 (SEP6200_VIC_BASE + 0x1DC)
#define SEP6200_VIC_VECTOR_PROIRTY56 (SEP6200_VIC_BASE + 0x1E0)
#define SEP6200_VIC_VECTOR_PROIRTY57 (SEP6200_VIC_BASE + 0x1E4)
#define SEP6200_VIC_VECTOR_PROIRTY58 (SEP6200_VIC_BASE + 0x1E8)
#define SEP6200_VIC_VECTOR_PROIRTY59 (SEP6200_VIC_BASE + 0x1EC)
#define SEP6200_VIC_VECTOR_PROIRTY60 (SEP6200_VIC_BASE + 0x1F0)
#define SEP6200_VIC_VECTOR_PROIRTY61 (SEP6200_VIC_BASE + 0x1F4)
#define SEP6200_VIC_VECTOR_PROIRTY62 (SEP6200_VIC_BASE + 0x1F8)
#define SEP6200_VIC_VECTOR_PROIRTY63 (SEP6200_VIC_BASE + 0x1FC)
#define SEP6200_PMU_PLL_SET (SEP6200_PMU_BASE + 0x000)
#define SEP6200_PMU_APLL_CFG (SEP6200_PMU_BASE + 0x004)
#define SEP6200_PMU_MPLL_GFG (SEP6200_PMU_BASE + 0x008)
#define SEP6200_PMU_DPLL_CFG (SEP6200_PMU_BASE + 0x00C)
#define SEP6200_PMU_PMDR (SEP6200_PMU_BASE + 0x010)
#define SEP6200_PMU_CLK_GT_CFG1 (SEP6200_PMU_BASE + 0x014)
#define SEP6200_PMU_CLK_GT_CFG2 (SEP6200_PMU_BASE + 0x018)
#define SEP6200_PMU_PWR_GT_CFG (SEP6200_PMU_BASE + 0x01C)
#define SEP6200_PMU_AHB_CLK_CFG (SEP6200_PMU_BASE + 0x020)
#define SEP6200_PMU_ARM_CLK_CFG (SEP6200_PMU_BASE + 0x024)
#define SEP6200_PMU_DDR_CLK_CFG (SEP6200_PMU_BASE + 0x028)
#define SEP6200_PMU_PIX_CLK_CFG (SEP6200_PMU_BASE + 0x02C)
#define SEP6200_PMU_GPU_CLK2X_CFG (SEP6200_PMU_BASE + 0x030)
#define SEP6200_PMU_DIV_SET (SEP6200_PMU_BASE + 0x034)
#define SEP6200_PMU_CRYSTAL_CFG (SEP6200_PMU_BASE + 0x038)
#define SEP6200_PMU_MSK_WAKEUP (SEP6200_PMU_BASE + 0x03C)
#define SEP6200_PMU_RTCR (SEP6200_PMU_BASE + 0x040)
#define SEP6200_PMU_CLR_WAKEUP (SEP6200_PMU_BASE + 0x044)
#define SEP6200_PMU_WAKEUP_TIME (SEP6200_PMU_BASE + 0x048)
#define SEP6200_PMU_SLEEP_FLAG (SEP6200_PMU_BASE + 0x04C)
#define SEP6200_PMU_WAIT_PWR_SWITCH (SEP6200_PMU_BASE + 0x050)
#define SEP6200_PMU_PWR_STATE (SEP6200_PMU_BASE + 0x054)
#define SEP6200_PMU_INT_POL_SEL (SEP6200_PMU_BASE + 0x058)
#define SEP6200_PMU_PLLLD (SEP6200_PMU_BASE + 0x05C)
#define SEP6200_PMU_IC_ENABLE (SEP6200_PMU_BASE + 0x060)
#define SEP6200_PMU_IC_TAR (SEP6200_PMU_BASE + 0x064)
#define SEP6200_PMU_IC_SCL_LCNT (SEP6200_PMU_BASE + 0x068)
#define SEP6200_PMU_IC_SCL_HCNT (SEP6200_PMU_BASE + 0x06C)
#define SEP6200_PMU_IC_DATA_CMD (SEP6200_PMU_BASE + 0x070)
#define SEP6200_PMU_IC_STATE (SEP6200_PMU_BASE + 0x074)
#define SEP6200_PMU_IC_SET (SEP6200_PMU_BASE + 0x078)
#define SEP6200_PMU_HA_PWR_OFF_DAT (SEP6200_PMU_BASE + 0x07C)
#define SEP6200_PMU_HA_PWR_ON_DAT (SEP6200_PMU_BASE + 0x080)
#define SEP6200_PMU_HA_PWR_OFF_DAT_CNT (SEP6200_PMU_BASE + 0x084)
#define SEP6200_PMU_HA_PWR_ON_DAT_CNT (SEP6200_PMU_BASE + 0x088)
#define SEP6200_PMU_PWR_OFF_TIME (SEP6200_PMU_BASE + 0x08C)
#define SEP6200_PMU_PWR_ON_TIME (SEP6200_PMU_BASE + 0x090)
#define SEP6200_PMU_PWR_ON_POL_SEL (SEP6200_PMU_BASE + 0x094)
#define SEP6200_PMU_RETURN_ADDR (SEP6200_PMU_BASE + 0x098)
#define SEP6200_PMU_INT (SEP6200_PMU_BASE + 0x09C)
/* define the interrupt source number */
#define INTSRC_RESERVE2 63
#define INTSRC_RESERVE1 62
#define INTSRC_LCDC 61
#define INTSRC_GPU 60
#define INTSRC_VPU 59
#define INTSRC_TIMER3 58
#define INTSRC_TIMER2 57
#define INTSRC_TIMER1 56
#define INTSRC_NAND 55
#define INTSRC_I2S 54
#define INTSRC_I2C3 53
#define INTSRC_I2C2 52
#define INTSRC_I2C1 51
#define INTSRC_SSI3 50
#define INTSRC_SSI2 49
#define INTSRC_SSI1 48
#define INTSRC_SDIO2 47
#define INTSRC_SDIO1 46
#define INTSRC_UART3 45
#define INTSRC_UART2 44
#define INTSRC_UART1 43
#define INTSRC_UART0 42
#define INTSRC_PWM 41
#define INTSRC_USB 40
#define INTSRC_USBDMA 39
#define INTSRC_DMAC2 38
#define INTSRC_DMAC1 37
#define INTSRC_PMUIRQ_A11 36
#define INTSRC_DMAIRQ_A11 35
#define INTSRC_GPS 34
#define INTSRC_RTC 33
#define INTSRC_RESERVED16 32
#define INTSRC_PORTE12 31
#define INTSRC_PORTE11 30
#define INTSRC_PORTE10 29
#define INTSRC_PORTE9 28
#define INTSRC_PORTE5 27
#define INTSRC_PORTE4 26
#define INTSRC_PORTD9 25
#define INTSRC_PORTD8 24
#define INTSRC_PORTD3 23
#define INTSRC_PORTD2 22
#define INTSRC_PORTD1 21
#define INTSRC_PORTD0 20
#define INTSRC_PORTC3 19
#define INTSRC_PORTC2 18
#define INTSRC_PORTC1 17
#define INTSRC_PORTC0 16
#define INTSRC_EXT15 15
#define INTSRC_EXT14 14
#define INTSRC_EXT13 13
#define INTSRC_EXT12 12
#define INTSRC_EXT11 11
#define INTSRC_EXT10 10
#define INTSRC_EXT9 9
#define INTSRC_EXT8 8
#define INTSRC_EXT7 7
#define INTSRC_EXT6 6
#define INTSRC_EXT5 5
#define INTSRC_EXT4 4
#define INTSRC_AO_EXT3 3
#define INTSRC_AO_EXT2 2
#define INTSRC_AO_EXT1 1
#define INTSRC_AO_EXT0 0
typedef char S8; /* signed 8-bit integer */
typedef short S16; /* signed 16-bit integer */
typedef long S32; /* signed 32-bit integer */
typedef unsigned char U8; /* unsigned 8-bit integer */
typedef unsigned short U16; /* unsigned 16-bit integer */
typedef unsigned long U32; /* unsigned 32-bit integer */
typedef volatile U32 * RP;
typedef volatile U16 * RP16;
typedef volatile U8 * RP8;
typedef void *VP; /* pointer to an unpredictable data type */
typedef void (*FP)(); /* program start address */
#ifndef _BOOL_TYPE_
#define _BOOL_TYPE_
typedef int BOOL; /* Boolean value. TRUE (1) or FALSE (0). */
#endif
typedef int ER; /* Error code. A signed integer. */
/**
* IO definitions
*
* define access restrictions to peripheral registers
*/
#define __I volatile const /*!< defines 'read only' permissions */
#define __O volatile /*!< defines 'write only' permissions */
#define __IO volatile /*!< defines 'read / write' permissions */
#define __iomem volatile
/*Macros for debug*/
#define EOUT(fmt,...) \
do \
{ \
rt_kprintf("EOUT:(%s:%i) ",__FILE__,__LINE__); \
rt_kprintf(fmt,##__VA_ARGS__); \
}while(0)
#define RT_DEBUG
#ifdef RT_DEBUG
#define DBOUT(fmt,...) \
do \
{ \
rt_kprintf("DBOUT:(%s:%i) ",__FILE__,__LINE__); \
rt_kprintf(fmt,##__VA_ARGS__); \
}while(0)
#else
#define DBOUT(fmt,...) \
do{}while(0)
#endif
#ifdef RT_DEBUG
#define ASSERT(arg) \
if((arg) == 0) \
{ \
while(1) \
{ \
rt_kprintf("have a assert failure\n"); \
} \
}
#else
#define ASSERT(arg) \
do \
{ \
}while(0)
#endif
#define write_reg(reg,value) \
do \
{ \
*(RP)(reg) = value; \
}while(0)
#define read_reg(reg) (*(RP)reg)
struct rt_hw_register
{
rt_uint32_t r0;
rt_uint32_t r1;
rt_uint32_t r2;
rt_uint32_t r3;
rt_uint32_t r4;
rt_uint32_t r5;
rt_uint32_t r6;
rt_uint32_t r7;
rt_uint32_t r8;
rt_uint32_t r9;
rt_uint32_t r10;
rt_uint32_t r11;
rt_uint32_t r12;
rt_uint32_t r13;
rt_uint32_t r14;
rt_uint32_t r15;
rt_uint32_t r16;
rt_uint32_t r17;
rt_uint32_t r18;
rt_uint32_t r19;
rt_uint32_t r20;
rt_uint32_t r21;
rt_uint32_t r22;
rt_uint32_t r23;
rt_uint32_t r24;
rt_uint32_t sb;
rt_uint32_t sl;
rt_uint32_t fp;
rt_uint32_t ip;
rt_uint32_t sp;
rt_uint32_t lr;
rt_uint32_t pc;
rt_uint32_t asr;
rt_uint32_t bsr;
rt_uint32_t ORIG_r0;
};
/*@}*/
#endif

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/*
* File : serial.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-03-16 Peng Fan Modified from sep4020
*/
#include <rtthread.h>
#include <rthw.h>
#include "serial.h"
/**
* @addtogroup sep6200
*/
/*@{*/
/* RT-Thread Device Interface */
/**
* This function initializes serial
*/
static rt_err_t rt_serial_init (rt_device_t dev)
{
struct serial_device* uart = (struct serial_device*) dev->user_data;
if (!(dev->flag & RT_DEVICE_FLAG_ACTIVATED))
{
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
{
rt_memset(uart->int_rx->rx_buffer, 0,
sizeof(uart->int_rx->rx_buffer));
uart->int_rx->read_index = uart->int_rx->save_index = 0;
}
if (dev->flag & RT_DEVICE_FLAG_INT_TX)
{
rt_memset(uart->int_tx->tx_buffer, 0,
sizeof(uart->int_tx->tx_buffer));
uart->int_tx->write_index = uart->int_tx->save_index = 0;
}
dev->flag |= RT_DEVICE_FLAG_ACTIVATED;
}
return RT_EOK;
}
/* save a char to serial buffer */
static void rt_serial_savechar(struct serial_device* uart, char ch)
{
rt_base_t level;
/* disable interrupt */
level = rt_hw_interrupt_disable();
uart->int_rx->rx_buffer[uart->int_rx->save_index] = ch;
uart->int_rx->save_index ++;
if (uart->int_rx->save_index >= UART_RX_BUFFER_SIZE)
uart->int_rx->save_index = 0;
/* if the next position is read index, discard this 'read char' */
if (uart->int_rx->save_index == uart->int_rx->read_index)
{
uart->int_rx->read_index ++;
if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)
uart->int_rx->read_index = 0;
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
}
static rt_err_t rt_serial_open(rt_device_t dev, rt_uint16_t oflag)
{
RT_ASSERT(dev != RT_NULL);
return RT_EOK;
}
static rt_err_t rt_serial_close(rt_device_t dev)
{
RT_ASSERT(dev != RT_NULL);
return RT_EOK;
}
static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
{
rt_uint8_t* ptr;
rt_err_t err_code;
struct serial_device* uart;
ptr = buffer;
err_code = RT_EOK;
uart = (struct serial_device*)dev->user_data;
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
{
rt_base_t level;
/* interrupt mode Rx */
while (size)
{
if (uart->int_rx->read_index != uart->int_rx->save_index)
{
*ptr++ = uart->int_rx->rx_buffer[uart->int_rx->read_index];
size --;
/* disable interrupt */
level = rt_hw_interrupt_disable();
uart->int_rx->read_index ++;
if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)
uart->int_rx->read_index = 0;
/* enable interrupt */
rt_hw_interrupt_enable(level);
}
else
{
/* set error code */
err_code = -RT_EEMPTY;
break;
}
}
}
else
{
/* polling mode */
while ((rt_uint32_t)ptr - (rt_uint32_t)buffer < size)
{
while (uart->uart_device->lsr & USTAT_RCV_READY)
{
*ptr = uart->uart_device->dlbl_fifo.txfifo & 0xff;
ptr ++;
}
}
}
/* set error code */
rt_set_errno(err_code);
return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
}
static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
{
rt_uint8_t* ptr;
rt_err_t err_code;
struct serial_device* uart;
err_code = RT_EOK;
ptr = (rt_uint8_t*)buffer;
uart = (struct serial_device*)dev->user_data;
if (dev->flag & RT_DEVICE_FLAG_INT_TX)
{
/* interrupt mode Tx */
while (uart->int_tx->save_index != uart->int_tx->write_index)
{
/* save on tx buffer */
uart->int_tx->tx_buffer[uart->int_tx->save_index] = *ptr++;
-- size;
/* move to next position */
uart->int_tx->save_index ++;
/* wrap save index */
if (uart->int_tx->save_index >= UART_TX_BUFFER_SIZE)
uart->int_tx->save_index = 0;
}
/* set error code */
if (size > 0)
err_code = -RT_EFULL;
}
else
{
/* polling mode */
while (size)
{
/*
* to be polite with serial console add a line feed
* to the carriage return character
*/
if (*ptr == '\n' && (dev->flag & RT_DEVICE_FLAG_STREAM))
{
while (!(uart->uart_device->lsr & USTAT_TXB_EMPTY));
uart->uart_device->dlbl_fifo.txfifo = '\r';
}
while (!(uart->uart_device->lsr & USTAT_TXB_EMPTY));
uart->uart_device->dlbl_fifo.txfifo = (*ptr & 0x1FF);
++ptr; --size;
}
}
/* set error code */
rt_set_errno(err_code);
return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
}
static rt_err_t rt_serial_control (rt_device_t dev, rt_uint8_t cmd, void *args)
{
RT_ASSERT(dev != RT_NULL);
switch (cmd)
{
case RT_DEVICE_CTRL_SUSPEND:
/* suspend device */
dev->flag |= RT_DEVICE_FLAG_SUSPENDED;
break;
case RT_DEVICE_CTRL_RESUME:
/* resume device */
dev->flag &= ~RT_DEVICE_FLAG_SUSPENDED;
break;
}
return RT_EOK;
}
/*
* serial register
*/
rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct serial_device *serial)
{
RT_ASSERT(device != RT_NULL);
device->type = RT_Device_Class_Char;
device->rx_indicate = RT_NULL;
device->tx_complete = RT_NULL;
device->init = rt_serial_init;
device->open = rt_serial_open;
device->close = rt_serial_close;
device->read = rt_serial_read;
device->write = rt_serial_write;
device->control = rt_serial_control;
device->user_data = serial;
/* register a character device */
return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR | flag);
}
/* ISR for serial interrupt */
void rt_hw_serial_isr(rt_device_t device)
{
struct serial_device* uart = (struct serial_device*) device->user_data;
/* interrupt mode receive */
RT_ASSERT(device->flag & RT_DEVICE_FLAG_INT_RX);
/* save on rx buffer */
while (uart->uart_device->lsr & USTAT_RCV_READY)
{
rt_serial_savechar(uart, uart->uart_device->dlbl_fifo.rxfifo & 0xff);
}
/* invoke callback */
if (device->rx_indicate != RT_NULL)
{
rt_size_t rx_length;
/* get rx length */
rx_length = uart->int_rx->read_index > uart->int_rx->save_index ?
UART_RX_BUFFER_SIZE - uart->int_rx->read_index + uart->int_rx->save_index :
uart->int_rx->save_index - uart->int_rx->read_index;
device->rx_indicate(device, rx_length);
}
}
/*@}*/

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/*
* File : serial.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2006-03-13 Bernard first version
* 2009-04-20 yi.qiu modified according bernard's stm32 version
* 2010-10-6 wangmeng added sep4020 surpport
* 2013-7-15 Peng Fan Modified from sep4020
*/
#ifndef __SERIAL_H__
#define __SERIAL_H__
#include <sep6200.h>
#define USTAT_RCV_READY 0x01 /* receive data ready */
#define USTAT_OVERRUN 0x02 /* overrun */
#define USTAT_PARITY_ERR 0x04 /* parity error */
#define USTAT_FRAME_ERROR 0x08 /* frame error */
#define USTAT_BREAK 0x10 /* break */
#define USTAT_TXB_EMPTY 0x40 /* tx buffer empty */
#define USTAT_RCV_ERR 0x80 /* receive error */
#define BPS 115200 /* serial baudrate */
#define UART_RX_BUFFER_SIZE 64
#define UART_TX_BUFFER_SIZE 64
/*For sep6200's uart have several secondary function*/
/*we use union to decribe it*/
union dlbl_fifo
{
rt_uint32_t dlbl;
rt_uint32_t rxfifo;
rt_uint32_t txfifo;
};
union dlbh_ier
{
rt_uint32_t dlbh;
rt_uint32_t ier;
};
union iir_fcr
{
rt_uint32_t iir;
rt_uint32_t fcr;
};
struct serial_int_rx
{
rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE];
rt_uint32_t read_index, save_index;
};
struct serial_int_tx
{
rt_uint8_t tx_buffer[UART_TX_BUFFER_SIZE];
rt_uint32_t write_index, save_index;
};
typedef struct uartport
{
union dlbl_fifo dlbl_fifo;
union dlbh_ier dlbh_ier;
union iir_fcr iir_fcr;
rt_uint32_t lcr;
rt_uint32_t mcr;
rt_uint32_t lsr;
rt_uint32_t msr;
}uartport;
struct serial_device
{
uartport* uart_device;
/* rx structure */
struct serial_int_rx* int_rx;
/* tx structure */
struct serial_int_tx* int_tx;
};
rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct serial_device *serial);
void rt_hw_serial_isr(rt_device_t device);
#endif

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/*
* File : stack.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-7-14 Peng Fan sep6200 implementation
*/
#include <rtthread.h>
#include <sep6200.h>
/**
* @addtogroup sep6200
*/
/*@{*/
/**
* This function will initialize thread stack
*
* @param tentry the entry of thread
* @param parameter the parameter of entry
* @param stack_addr the beginning stack address
* @param texit the function will be called when thread exit
*
* @return stack address
*/
rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
rt_uint8_t *stack_addr, void *texit)
{
rt_uint32_t *stk;
stk = (rt_uint32_t*)stack_addr;
*(stk) = (rt_uint32_t)tentry; /* entry point */
*(--stk) = (rt_uint32_t)texit; /* lr */
*(--stk) = 0; /* r28 */
*(--stk) = 0; /* r27 */
*(--stk) = 0; /* r26 */
*(--stk) = 0; /* r25 */
*(--stk) = 0; /* r24 */
*(--stk) = 0; /* r23 */
*(--stk) = 0; /* r22 */
*(--stk) = 0; /* r21 */
*(--stk) = 0; /* r20 */
*(--stk) = 0; /* r19 */
*(--stk) = 0; /* r18 */
*(--stk) = 0; /* r17 */
*(--stk) = 0; /* r16 */
*(--stk) = 0; /* r15 */
*(--stk) = 0; /* r14 */
*(--stk) = 0; /* r13 */
*(--stk) = 0; /* r12 */
*(--stk) = 0; /* r11 */
*(--stk) = 0; /* r10 */
*(--stk) = 0; /* r9 */
*(--stk) = 0; /* r8 */
*(--stk) = 0; /* r7 */
*(--stk) = 0; /* r6 */
*(--stk) = 0; /* r5 */
*(--stk) = 0; /* r4 */
*(--stk) = 0; /* r3 */
*(--stk) = 0; /* r2 */
*(--stk) = 0; /* r1 */
*(--stk) = (rt_uint32_t)parameter; /* r0 : argument */
*(--stk) = Mode_PRIV; /* asr */
*(--stk) = Mode_PRIV; /* bsr */ /*why both PRIV do not need switch?*/
/* return task's current stack address */
return (rt_uint8_t *)stk;
}
/*@}*/

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/*
* File : start.S
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-07-13 Peng Fan First implementation
*/
#define CONFIG_STACKSIZE 1024
#define S_FRAME_SIZE 132
#define S_OLD_R0 132
#define S_PSR 128
#define S_PC 124
#define S_LR 120
#define S_SP 116
#define S_IP 112
#define S_FP 108
#define S_R26 104
#define S_R25 100
#define S_R24 96
#define S_R23 92
#define S_R22 88
#define S_R21 84
#define S_R20 80
#define S_R19 76
#define S_R18 72
#define S_R17 68
#define S_R16 64
#define S_R15 60
#define S_R14 56
#define S_R13 52
#define S_R12 48
#define S_R11 44
#define S_R10 40
#define S_R9 36
#define S_R8 32
#define S_R7 28
#define S_R6 24
#define S_R5 20
#define S_R4 16
#define S_R3 12
#define S_R2 8
#define S_R1 4
#define S_R0 0
.equ USERMODE, 0x10
.equ REALMODE, 0x11
.equ IRQMODE, 0x12
.equ PRIVMODE, 0x13
.equ TRAPMODE, 0x17
.equ EXTNMODE, 0x1b
.equ MODEMASK, 0x1f
.equ NOINT, 0xc0
/*
*************************************************************************
*
* Jump vector table
*
*************************************************************************
*/
.section .init, "ax"
.code 32
.globl _start
_start:
b reset
ldw pc, _extend_handle
ldw pc, _swi_handle
ldw pc, _iabort_handle
ldw pc, _dabort_handle
ldw pc, _reserve_handle
ldw pc, _IRQ_handle
ldw pc, _FIQ_handle
_extend_handle: .word extend_handle
_swi_handle: .word swi_handle
_iabort_handle: .word iabort_handle
_dabort_handle: .word dabort_handle
_reserve_handle: .word reserve_handle
_IRQ_handle: .word IRQ_handle
_FIQ_handle: .word FIQ_handle
.balignl 16,0xdeadbeef
/*
*************************************************************************
*
* Startup Code (reset vector)
* relocate armboot to ram
* setup stack
* jump to second stage
*
*************************************************************************
*/
.global _TEXT_BASE
_TEXT_BASE:
.word TEXT_BASE
.globl _rtthread_start
_rtthread_start:
.word _start
.globl _rtthread_end
_rtthread_end:
.word _end
.globl _bss_start
_bss_start:
.word __bss_start @ load end address
.globl _bss_end
_bss_end:
.word __bss_end
.globl IRQ_STACK_START
IRQ_STACK_START:
.word _irq_stack_start + 1024
.globl FIQ_STACK_START
FIQ_STACK_START:
.word _fiq_stack_start +1024
.globl UNDEFINED_STACK_START
UNDEFINED_STACK_START:
.word _undefined_stack_start + CONFIG_STACKSIZE
.globl ABORT_STACK_START
ABORT_STACK_START:
.word _abort_stack_start + CONFIG_STACKSIZE
.globl _STACK_START
_STACK_START:
.word _priv_stack_start + 4096
.equ SEP6200_VIC_BASE, 0xb0000000
.equ SEP6200_SYSCTL_BASE, 0xb0008000
/* ----------------------------------entry------------------------------*/
reset:
/* set the cpu to PRIV mode and disable cpu interrupt */
mov r0, asr
andn r0, r0, #0xff
or r0, r0, #PRIVMODE|NOINT
mov.a asr, r0
/* mask all IRQs by clearing all bits in the INTMRs */
ldw r1, =SEP6200_VIC_BASE
ldw r0, =0xffffffff
stw r0, [r1+], #0x20 /*interrupt enable clear*/
stw r0, [r1+], #0x24
/*remap ddr to 0x00000000 address*/
ldw r1, =SEP6200_SYSCTL_BASE
ldw r0, [r1+]
ldw r2, =0x80000000
or r0, r0, r2
stw r2, [r1+]
/* set interrupt vector */
/*do nothing here for vector*/
/* setup stack */
b.l stack_setup
/* copy the vector code to address 0 */
ldw r12, =0x100
ldw r0, = 0x40000000
ldw r1, = 0x00000000
copy_vetor:
ldw r2, [r0]
stw r2, [r1]
add r0, r0, #4
add r1, r1, #4
sub r12, r12, #4
cmpsub.a r12, #0
bne copy_vetor
/* clear .bss */
ldw r0, _bss_start /* bss start */
ldw r1, _bss_end /* bss end */
mov r2,#0 /* get a zero */
bss_loop:
stw r2, [r0] @ clear loop...
add r0, r0, #4
cmpsub.a r0, r1
bel bss_loop
/* call C++ constructors of global objects */
ldw r0, =__ctors_start__
ldw r1, =__ctors_end__
ctor_loop:
cmpsub.a r0, r1
beq ctor_end
ldw.w r2, [r0]+, #4
stm.w (r0, r1), [sp-]
add lr, pc, #4
mov pc, r2
ldm.w (r0, r1), [sp]+
b ctor_loop
ctor_end:
/*enable interrupt*/
mov r0, asr
andn r1, r0, #NOINT
mov.a asr, r1
/* start RT-Thread Kernel */
ldw pc, _rtthread_startup
_rtthread_startup:
.word rtthread_startup
/*
*************************************************************************
*
* Interrupt handling
*
*************************************************************************
*/
/* exception handlers */
/*Just simple implementation here */
.align 5
extend_handle:
b rt_hw_trap_extn
swi_handle:
b rt_hw_trap_swi
iabort_handle:
b rt_hw_trap_pabt
dabort_handle:
b rt_hw_trap_dabt
reserve_handle:
b rt_hw_trap_resv
.globl rt_interrupt_enter
.globl rt_interrupt_leave
.globl rt_thread_switch_interrupt_flag
.globl rt_interrupt_from_thread
.globl rt_interrupt_to_thread
IRQ_handle:
stm.w (lr), [sp-]
stm.w (r16 - r28), [sp-]
stm.w (r0 - r15), [sp-]
b.l rt_interrupt_enter
b.l rt_hw_trap_irq
b.l rt_interrupt_leave
/* if rt_thread_switch_interrupt_flag set, jump to _interrupt_thread_switch and don't return */
ldw r0, =rt_thread_switch_interrupt_flag
ldw r1, [r0+]
cmpsub.a r1, #1
beq _interrupt_thread_switch
ldm.w (r0 - r15), [sp]+
ldm.w (r16 - r28), [sp]+
ldm.w (lr), [sp]+
mov.a pc, lr
.align 5
FIQ_handle:
b rt_hw_trap_fiq
_interrupt_thread_switch:
mov r1, #0 /* clear rt_thread_switch_interrupt_flag*/
stw r1, [r0+]
/*reload register*/
ldm.w (r0 - r15), [sp]+
ldm.w (r16 - r28), [sp]+
ldm.w (lr), [sp]+
stm.w (r0 - r3), [sp-] /*save r0-r3*/
mov r1, sp
add sp, sp, #16 /* restore sp */
mov r2, lr /* save old task's pc to r2 */
mov r3, bsr
mov r0, #0xd3 /*I:F:0:PRIV*/
mov.a asr, r0
stm.w (r2), [sp-] /* push old task's pc */
/* push old task's registers */
stm.w (lr), [sp-]
stm.w (r16 - r28), [sp-]
stm.w (r4 - r15), [sp-]
mov r4, r1 /* Special optimised code below */
mov r5, r3
ldm.w (r0 - r3), [r4]+
stm.w (r0 - r3), [sp-] /*push old task's r3-r0*/
stm.w (r5), [sp-] /* push old task's asr */
mov r4, bsr
stm.w (r4), [sp-] /* push old task's bsr*/
ldw r4, =rt_interrupt_from_thread
ldw r5, [r4+]
stw sp, [r5+] /* store sp in preempted tasks's TCB*/
ldw r6, =rt_interrupt_to_thread
ldw r6, [r6+]
ldw sp, [r6+] /* get new task's stack pointer */
ldm.w (r4), [sp]+ /* pop new task's spsr */
mov.a bsr, r4
ldm.w (r4), [sp]+ /* pop new task's psr */
mov.a asr, r4
/* pop new task's r0-r28,lr & pc */
ldm.w (r0 - r15), [sp]+
ldm.w (r16 - r28), [sp]+
ldm.w (lr), [sp]+
ldm.w (pc), [sp]+
stack_setup:
/*irq*/
mov ip, lr
mov r0, asr
andn r0, r0, #0x1f
or r0, r0, #IRQMODE|NOINT
mov.a asr, r0 /*IRQMODE*/
ldw r0, =IRQ_STACK_START
ldw sp, [r0+]
/*ldw sp, IRQ_STACK_START*/
/*priv*/
mov r0, asr
andn r0, r0, #0x1f
or r0, r0, #PRIVMODE|NOINT
mov.a asr, r0 /*PRIVMODE*/
ldw r0, =_STACK_START
ldw sp, [r0+]
/*ldw sp, _STACK_START*/
mov lr, ip
/*fiq and other mode is not implemented in code here*/
mov pc, lr /*lr may not be valid for the mode changes*/
/*/*}*/

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libcpu/unicore32/sep6200/trace.c Normal file
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/*
* File : trace.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2017-07-17 Peng Fan sep6200 implementation
*/
#include <rtthread.h>
void rt_hw_backtrace(rt_uint32_t *fp, rt_uint32_t thread_entry)
{
}

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/*
* File : trap.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2013-03-16 Peng Fan Modifiled from sep4020
*/
#include <rtthread.h>
#include <rthw.h>
#include <sep6200.h>
/**
* @addtogroup sep6200
*/
/*@{*/
extern struct rt_thread *rt_current_thread;
/**
* this function will show registers of CPU
*
* @param regs the registers point
*/
void rt_hw_show_register (struct rt_hw_register *regs)
{
rt_kprintf("Execption:\n");
rt_kprintf("r00:0x%08x r01:0x%08x r02:0x%08x r03:0x%08x\n", regs->r0, regs->r1, regs->r2, regs->r3);
rt_kprintf("r04:0x%08x r05:0x%08x r06:0x%08x r07:0x%08x\n", regs->r4, regs->r5, regs->r6, regs->r7);
rt_kprintf("r08:0x%08x r09:0x%08x r10:0x%08x r11:0x%08x\n", regs->r8, regs->r9, regs->r10,regs->r11);
rt_kprintf("r12:0x%08x r13:0x%08x r14:0x%08x r15:0x%08x\n", regs->r12,regs->r13,regs->r14,regs->r15);
rt_kprintf("r16:0x%08x r17:0x%08x r18:0x%08x r19:0x%08x\n", regs->r16,regs->r17,regs->r18,regs->r19);
rt_kprintf("r20:0x%08x r21:0x%08x r22:0x%08x r23:0x%08x\n", regs->r20,regs->r21,regs->r22,regs->r23);
rt_kprintf("r24:0x%08x sb:0x%08x sl:0x%08xfp :0x%08x ip :0x%08x\n",regs->r24,regs->sb,regs->sl,regs->fp,regs->ip);
rt_kprintf("sp :0x%08x lr :0x%08x pc :0x%08x\n", regs->sp, regs->lr, regs->pc);
rt_kprintf("asr:0x%08x bsr:0x%08x\n", regs->asr,regs->bsr);
}
/**
* When unicore comes across an instruction which it cannot handle,
* it takes the extn instruction trap.
*
* @param regs system registers
*
* @note never invoke this function in application
*/
void rt_hw_trap_extn(struct rt_hw_register *regs)
{
rt_hw_show_register(regs);
rt_kprintf("extn instruction\n");
rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
rt_hw_cpu_shutdown();
}
/**
* The software interrupt instruction (SWI) is used for entering
* Supervisor mode, usually to request a particular supervisor
* function.
*
* @param regs system registers
*
* @note never invoke this function in application
*/
void rt_hw_trap_swi(struct rt_hw_register *regs)
{
rt_hw_show_register(regs);
rt_kprintf("software interrupt\n");
rt_hw_cpu_shutdown();
}
/**
* An abort indicates that the current memory access cannot be completed,
* which occurs during an instruction prefetch.
*
* @param regs system registers
*
* @note never invoke this function in application
*/
void rt_hw_trap_pabt(struct rt_hw_register *regs)
{
rt_hw_show_register(regs);
rt_kprintf("prefetch abort\n");
rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
rt_hw_cpu_shutdown();
}
/**
* An abort indicates that the current memory access cannot be completed,
* which occurs during a data access.
*
* @param regs system registers
*
* @note never invoke this function in application
*/
void rt_hw_trap_dabt(struct rt_hw_register *regs)
{
rt_hw_show_register(regs);
rt_kprintf("data abort\n");
rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
rt_hw_cpu_shutdown();
}
/**
* Normally, system will never reach here
*
* @param regs system registers
*
* @note never invoke this function in application
*/
void rt_hw_trap_resv(struct rt_hw_register *regs)
{
rt_kprintf("not used\n");
rt_hw_show_register(regs);
rt_hw_cpu_shutdown();
}
extern struct rt_irq_desc isr_table[];
void rt_hw_trap_irq(void)
{
unsigned long intstat;
rt_uint32_t irq = 0;
rt_isr_handler_t isr_func;
void *param;
/* get the interrupt number */
irq = *(RP)(SEP6200_VIC_IRQ_VECTOR_NUM);
/* get interrupt service routine */
isr_func = isr_table[irq].handler;
param = isr_table[irq].param;
/* turn to interrupt service routine */
isr_func(irq, param);
#ifdef RT_USING_INTERRUPT_INFO
isr_table[irq].counter++;
#endif /* RT_USING_INTERRUPT_INFO */
}
void rt_hw_trap_fiq()
{
rt_kprintf("fast interrupt request\n");
}
/*@}*/