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[bsp] Adapt ls{1b,1c}dev to new mips common code 

LS1C selfboot feature have been rewiritten, and we changed
bare boot base to 0x80000000 to better utilize memory.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
This commit is contained in:
Jiaxun Yang 2019-12-07 01:04:25 +08:00
parent 4584054e17
commit c236e8c5d5
24 changed files with 1378 additions and 974 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
bsp/ls1bdev/Kconfig Normal file
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@ -0,0 +1,44 @@
mainmenu "RT-Thread Configuration"
config BSP_DIR
string
option env="BSP_ROOT"
default "."
config RTT_DIR
string
option env="RTT_ROOT"
default "../.."
config PKGS_DIR
string
option env="PKGS_ROOT"
default "packages"
source "$RTT_DIR/Kconfig"
source "$RTT_DIR/libcpu/mips/common/Kconfig"
source "$PKGS_DIR/Kconfig"
config SOC_LS1B
bool
select RT_USING_COMPONENTS_INIT
select RT_USING_USER_MAIN
default y
if RT_USING_SERIAL
config RT_USING_UART0
bool "Using RT_USING_UART0"
default y
config RT_USING_UART1
bool "Using RT_USING_UART1"
default n
config RT_USING_UART3
bool "Using RT_USING_UART3"
default n
config RT_UART_RX_BUFFER_SIZE
int "The rx buffer size"
default 64 if RT_USING_SERIAL
default 64
endif

59
bsp/ls1bdev/applications/application.c
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@ -1,59 +0,0 @@
/*
* File : application.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006-2012, RT-Thread Develop Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-06-25 Bernard first version
* 2011-08-08 lgnq modified for Loongson LS1B
*/
#include <rtthread.h>
#include <ls1b.h>
#ifdef RT_USING_RTGUI
#include <rtgui/rtgui.h>
extern void rt_hw_dc_init(void);
#endif
void rt_init_thread_entry(void *parameter)
{
#ifdef RT_USING_RTGUI
{
rt_device_t dc;
/* init Display Controller */
rt_hw_dc_init();
/* find Display Controller device */
dc = rt_device_find("dc");
/* set Display Controller device as rtgui graphic driver */
rtgui_graphic_set_device(dc);
}
#endif
#ifdef RT_USING_COMPONENTS_INIT
/* initialization RT-Thread Components */
rt_components_init();
#endif
}
int rt_application_init(void)
{
rt_thread_t tid;
/* create initialization thread */
tid = rt_thread_create("init",
rt_init_thread_entry, RT_NULL,
4096, 8, 20);
if (tid != RT_NULL)
rt_thread_startup(tid);
return 0;
}

17
bsp/ls1bdev/applications/main.c Normal file
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@ -0,0 +1,17 @@
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-05-10 zhuangwei first version
*/
#include <rtthread.h>
int main(int argc, char** argv)
{
return 0;
}

92
bsp/ls1bdev/applications/startup.c
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@ -1,92 +0,0 @@
/*
* File : startup.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006-2012, RT-Thread Develop Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-06-25 Bernard first version
* 2011-08-08 lgnq modified for Loongson LS1B
*/
#include <rthw.h>
#include <rtthread.h>
#include "board.h"
#define A_K0BASE 0x80000000
/**
* @addtogroup Loongson LS1B
*/
/*@{*/
extern unsigned char __bss_end;
extern int rt_application_init(void);
extern void tlb_refill_exception(void);
extern void general_exception(void);
extern void irq_exception(void);
extern void rt_hw_cache_init(void);
extern void invalidate_writeback_dcache_all(void);
extern void invalidate_icache_all(void);
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* disable interrupt first */
rt_hw_interrupt_disable();
/* init cache */
rt_hw_cache_init();
/* init hardware interrupt */
rt_hw_interrupt_init();
/* copy vector */
rt_memcpy((void *)A_K0BASE, tlb_refill_exception, 0x20);
rt_memcpy((void *)(A_K0BASE + 0x180), general_exception, 0x20);
rt_memcpy((void *)(A_K0BASE + 0x200), irq_exception, 0x20);
invalidate_writeback_dcache_all();
invalidate_icache_all();
/* init board */
rt_hw_board_init();
/* show version */
rt_show_version();
#ifdef RT_USING_HEAP
rt_system_heap_init((void*)&__bss_end, (void*)RT_HW_HEAP_END);
#endif
/* init scheduler system */
rt_system_scheduler_init();
/* initialize timer */
rt_system_timer_init();
/* initialize timer thread */
rt_system_timer_thread_init();
/* init idle thread */
rt_thread_idle_init();
/* init application */
rt_application_init();
/* start scheduler */
rt_system_scheduler_start();
/* never reach here */
return;
}
/*@}*/

107
bsp/ls1bdev/drivers/board.c
View File

@ -11,6 +11,7 @@
* Date Author Notes * Date Author Notes
* 2010-06-25 Bernard first version * 2010-06-25 Bernard first version
* 2011-08-08 lgnq modified for Loongson LS1B * 2011-08-08 lgnq modified for Loongson LS1B
* 2019-12-04 Jiaxun Yang Adapt new MIPS generic code
*/ */
#include <rtthread.h> #include <rtthread.h>
@ -20,92 +21,68 @@
#include "uart.h" #include "uart.h"
#include "ls1b.h" #include "ls1b.h"
#ifdef RT_USING_RTGUI
#include <rtgui/rtgui.h>
rt_device_t dc;
extern void rt_hw_dc_init(void);
#endif
extern unsigned char __bss_end;
/** /**
* @addtogroup Loongson LS1B * @addtogroup Loongson LS1B
*/ */
/*@{*/ /*@{*/
/**
* This is the timer interrupt service routine.
*/
void rt_hw_timer_handler(void)
{
unsigned int count;
count = read_c0_compare();
write_c0_compare(count);
write_c0_count(0);
/* increase a OS tick */
rt_tick_increase();
}
/**
* This function will initial OS timer
*/
void rt_hw_timer_init(void)
{
write_c0_compare(CPU_HZ/2/RT_TICK_PER_SECOND);
write_c0_count(0);
}
/** /**
* This function will initial sam7s64 board. * This function will initial sam7s64 board.
*/ */
void rt_hw_board_init(void) void rt_hw_board_init(void)
{ {
#ifdef RT_USING_UART /* init hardware interrupt */
rt_hw_exception_init();
/* init hardware interrupt */
rt_hw_interrupt_init();
#ifdef RT_USING_HEAP
rt_system_heap_init((void*)&__bss_end, (void*)RT_HW_HEAP_END);
#endif
#ifdef RT_USING_SERIAL
/* init hardware UART device */ /* init hardware UART device */
rt_hw_uart_init(); rt_hw_uart_init();
#endif #endif
#ifdef RT_USING_CONSOLE #ifdef RT_USING_CONSOLE
/* set console device */ /* set console device */
rt_console_set_device("uart0"); rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif #endif
/* init operating system timer */ /* init operating system timer */
rt_hw_timer_init(); rt_hw_timer_init();
rt_kprintf("current sr: 0x%08x\n", read_c0_status()); #ifdef RT_USING_FPU
} /* init hardware fpu */
rt_hw_fpu_init();
#define __raw_out_put(unr) \
while (*ptr) \
{ \
if (*ptr == '\n') \
{ \
/* FIFO status, contain valid data */ \
while (!(UART_LSR(UART##unr##_BASE) & (UARTLSR_TE | UARTLSR_TFE))); \
/* write data */ \
UART_DAT(UART##unr##_BASE) = '\r'; \
} \
/* FIFO status, contain valid data */ \
while (!(UART_LSR(UART##unr##_BASE) & (UARTLSR_TE | UARTLSR_TFE))); \
/* write data */ \
UART_DAT(UART##unr##_BASE) = *ptr; \
ptr ++; \
}
/* UART line status register value */
#define UARTLSR_ERROR (1 << 7)
#define UARTLSR_TE (1 << 6)
#define UARTLSR_TFE (1 << 5)
#define UARTLSR_BI (1 << 4)
#define UARTLSR_FE (1 << 3)
#define UARTLSR_PE (1 << 2)
#define UARTLSR_OE (1 << 1)
#define UARTLSR_DR (1 << 0)
void rt_hw_console_output(const char *ptr)
{
#if defined(RT_USING_UART0)
__raw_out_put(0);
#elif defined(RT_USING_UART1)
__raw_out_put(1);
#elif defined(RT_USING_UART3)
__raw_out_put(3);
#endif #endif
}
#ifdef RT_USING_RTGUI
rt_device_t dc;
/* init Display Controller */
rt_hw_dc_init();
/* find Display Controller device */
dc = rt_device_find("dc");
/* set Display Controller device as rtgui graphic driver */
rtgui_graphic_set_device(dc);
#endif
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
}
/*@}*/ /*@}*/

2
bsp/ls1bdev/drivers/uart.c
View File

@ -23,7 +23,7 @@
/*@{*/ /*@{*/
#if defined(RT_USING_UART) && defined(RT_USING_DEVICE) #if defined(RT_USING_DEVICE)
struct rt_uart_ls1b struct rt_uart_ls1b
{ {

61
bsp/ls1bdev/drivers/uart.h
View File

@ -16,6 +16,7 @@
#define __UART_H__ #define __UART_H__
#include "ls1b.h" #include "ls1b.h"
#include <rthw.h>
#define UART0_BASE 0xBFE40000 #define UART0_BASE 0xBFE40000
#define UART0_1_BASE 0xBFE41000 #define UART0_1_BASE 0xBFE41000
@ -31,43 +32,43 @@
#define UART5_BASE 0xBFE7C000 #define UART5_BASE 0xBFE7C000
/* UART registers */ /* UART registers */
#define UART_DAT(base) __REG8(base + 0x00) #define UART_DAT(base) HWREG8(base + 0x00)
#define UART_IER(base) __REG8(base + 0x01) #define UART_IER(base) HWREG8(base + 0x01)
#define UART_IIR(base) __REG8(base + 0x02) #define UART_IIR(base) HWREG8(base + 0x02)
#define UART_FCR(base) __REG8(base + 0x02) #define UART_FCR(base) HWREG8(base + 0x02)
#define UART_LCR(base) __REG8(base + 0x03) #define UART_LCR(base) HWREG8(base + 0x03)
#define UART_MCR(base) __REG8(base + 0x04) #define UART_MCR(base) HWREG8(base + 0x04)
#define UART_LSR(base) __REG8(base + 0x05) #define UART_LSR(base) HWREG8(base + 0x05)
#define UART_MSR(base) __REG8(base + 0x06) #define UART_MSR(base) HWREG8(base + 0x06)
#define UART_LSB(base) __REG8(base + 0x00) #define UART_LSB(base) HWREG8(base + 0x00)
#define UART_MSB(base) __REG8(base + 0x01) #define UART_MSB(base) HWREG8(base + 0x01)
/* UART0 registers */ /* UART0 registers */
#define UART0_DAT __REG8(UART0_BASE + 0x00) #define UART0_DAT HWREG8(UART0_BASE + 0x00)
#define UART0_IER __REG8(UART0_BASE + 0x01) #define UART0_IER HWREG8(UART0_BASE + 0x01)
#define UART0_IIR __REG8(UART0_BASE + 0x02) #define UART0_IIR HWREG8(UART0_BASE + 0x02)
#define UART0_FCR __REG8(UART0_BASE + 0x02) #define UART0_FCR HWREG8(UART0_BASE + 0x02)
#define UART0_LCR __REG8(UART0_BASE + 0x03) #define UART0_LCR HWREG8(UART0_BASE + 0x03)
#define UART0_MCR __REG8(UART0_BASE + 0x04) #define UART0_MCR HWREG8(UART0_BASE + 0x04)
#define UART0_LSR __REG8(UART0_BASE + 0x05) #define UART0_LSR HWREG8(UART0_BASE + 0x05)
#define UART0_MSR __REG8(UART0_BASE + 0x06) #define UART0_MSR HWREG8(UART0_BASE + 0x06)
#define UART0_LSB __REG8(UART0_BASE + 0x00) #define UART0_LSB HWREG8(UART0_BASE + 0x00)
#define UART0_MSB __REG8(UART0_BASE + 0x01) #define UART0_MSB HWREG8(UART0_BASE + 0x01)
/* UART1 registers */ /* UART1 registers */
#define UART1_DAT __REG8(UART1_BASE + 0x00) #define UART1_DAT HWREG8(UART1_BASE + 0x00)
#define UART1_IER __REG8(UART1_BASE + 0x01) #define UART1_IER HWREG8(UART1_BASE + 0x01)
#define UART1_IIR __REG8(UART1_BASE + 0x02) #define UART1_IIR HWREG8(UART1_BASE + 0x02)
#define UART1_FCR __REG8(UART1_BASE + 0x02) #define UART1_FCR HWREG8(UART1_BASE + 0x02)
#define UART1_LCR __REG8(UART1_BASE + 0x03) #define UART1_LCR HWREG8(UART1_BASE + 0x03)
#define UART1_MCR __REG8(UART1_BASE + 0x04) #define UART1_MCR HWREG8(UART1_BASE + 0x04)
#define UART1_LSR __REG8(UART1_BASE + 0x05) #define UART1_LSR HWREG8(UART1_BASE + 0x05)
#define UART1_MSR __REG8(UART1_BASE + 0x06) #define UART1_MSR HWREG8(UART1_BASE + 0x06)
#define UART1_LSB __REG8(UART1_BASE + 0x00) #define UART1_LSB HWREG8(UART1_BASE + 0x00)
#define UART1_MSB __REG8(UART1_BASE + 0x01) #define UART1_MSB HWREG8(UART1_BASE + 0x01)
/* UART interrupt enable register value */ /* UART interrupt enable register value */
#define UARTIER_IME (1 << 3) #define UARTIER_IME (1 << 3)

27
bsp/ls1bdev/ls1b_ram.lds
View File

@ -11,6 +11,7 @@
* Date Author Notes * Date Author Notes
* 2010-05-17 swkyer first version * 2010-05-17 swkyer first version
* 2010-09-04 bernard move the beginning entry to 0x80200000 * 2010-09-04 bernard move the beginning entry to 0x80200000
* 2019-12-04 Jiaxun Yang Adapt new memory layout
*/ */
OUTPUT_ARCH(mips) OUTPUT_ARCH(mips)
@ -20,15 +21,18 @@ ENTRY(_start)
SECTIONS SECTIONS
{ {
. = 0x80200000; . = 0x80200000;
.start :
{
*(.start);
}
. = ALIGN(4);
.text : .text :
{ {
start = ABSOLUTE(.);
*(.selfboot);
*(.selfboot_data);
. = ALIGN(4);
__selfboot_end = .;
. = ALIGN(0x1000);
__ebase_entry = .;
KEEP(*(.exc_vectors))
__ebase_end = .;
*(.start);
*(.text) *(.text)
*(.text.*) *(.text.*)
*(.rodata) *(.rodata)
@ -76,6 +80,15 @@ SECTIONS
*(.sdata) *(.sdata)
*(.sdata.*) *(.sdata.*)
} }
_edata = .;
.stack :
{
. = ALIGN(8);
_system_stack_start = .;
. = . + 0x400; /* 1kb system stack */
_system_stack = .;
}
.sbss : .sbss :
{ {

2
bsp/ls1bdev/readme.txt → bsp/ls1bdev/readme.md
View File

@ -1,4 +1,4 @@
this bsp is based on LS1G DEMO BOARD V1.1 This bsp is based on LS1B DEMO BOARD V1.1
# download script for RT-Thread # download script for RT-Thread
ifaddr syn0 192.168.1.100;load tftp://192.168.1.5/rtthread.elf;g ifaddr syn0 192.168.1.100;load tftp://192.168.1.5/rtthread.elf;g

312
bsp/ls1bdev/rtconfig.h
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@ -1,223 +1,163 @@
#ifndef __RTTHREAD_CFG_H__ #ifndef RT_CONFIG_H__
#define __RTTHREAD_CFG_H__ #define RT_CONFIG_H__
// <RDTConfigurator URL="http://www.rt-thread.com/eclipse"> /* Automatically generated file; DO NOT EDIT. */
/* RT-Thread Configuration */
// <integer name="RT_NAME_MAX" description="Maximal size of kernel object name length" default="6" /> /* RT-Thread Kernel */
#define RT_NAME_MAX 10
// <integer name="RT_ALIGN_SIZE" description="Alignment size for CPU architecture data access" default="4" /> #define RT_NAME_MAX 8
#define RT_ALIGN_SIZE 4 #define RT_ALIGN_SIZE 4
// <integer name="RT_THREAD_PRIORITY_MAX" description="Maximal level of thread priority" default="32"> #define RT_THREAD_PRIORITY_32
// <item description="8">8</item>
// <item description="32">32</item>
// <item description="256">256</item>
// </integer>
#define RT_THREAD_PRIORITY_MAX 32 #define RT_THREAD_PRIORITY_MAX 32
// <integer name="RT_TICK_PER_SECOND" description="OS tick per second" default="100" />
#define RT_TICK_PER_SECOND 100 #define RT_TICK_PER_SECOND 100
// <section name="RT_DEBUG" description="Kernel Debug Configuration" default="true" >
#define RT_DEBUG
#define RT_DEBUG_COLOR
// <bool name="RT_THREAD_DEBUG" description="Thread debug enable" default="false" />
// #define RT_THREAD_DEBUG
// <bool name="RT_USING_OVERFLOW_CHECK" description="Thread stack over flow detect" default="true" />
#define RT_USING_OVERFLOW_CHECK #define RT_USING_OVERFLOW_CHECK
// <bool name="RT_USING_INTERRUPT_INFO" description="Show more interrupt description" default="true" />
#define RT_USING_INTERRUPT_INFO
// </section>
// <bool name="RT_USING_HOOK" description="Using hook functions" default="true" />
#define RT_USING_HOOK #define RT_USING_HOOK
// <section name="RT_USING_TIMER_SOFT" description="Using software timer which will start a thread to handle soft-timer" default="true" > #define RT_USING_IDLE_HOOK
// #define RT_USING_TIMER_SOFT #define RT_IDLE_HOOK_LIST_SIZE 4
// <integer name="RT_TIMER_THREAD_PRIO" description="The priority level of timer thread" default="4" /> #define IDLE_THREAD_STACK_SIZE 256
#define RT_USING_TIMER_SOFT
#define RT_TIMER_THREAD_PRIO 4 #define RT_TIMER_THREAD_PRIO 4
// <integer name="RT_TIMER_THREAD_STACK_SIZE" description="The stack size of timer thread" default="512" />
#define RT_TIMER_THREAD_STACK_SIZE 512 #define RT_TIMER_THREAD_STACK_SIZE 512
// <integer name="RT_TIMER_TICK_PER_SECOND" description="The soft-timer tick per second" default="10" /> #define RT_DEBUG
#define RT_TIMER_TICK_PER_SECOND 10
// </section> /* Inter-Thread communication */
// <section name="IPC" description="Inter-Thread communication" default="always" >
// <bool name="RT_USING_SEMAPHORE" description="Using semaphore in the system" default="true" />
#define RT_USING_SEMAPHORE #define RT_USING_SEMAPHORE
// <bool name="RT_USING_MUTEX" description="Using mutex in the system" default="true" />
#define RT_USING_MUTEX #define RT_USING_MUTEX
// <bool name="RT_USING_EVENT" description="Using event group in the system" default="true" />
#define RT_USING_EVENT #define RT_USING_EVENT
// <bool name="RT_USING_MAILBOX" description="Using mailbox in the system" default="true" />
#define RT_USING_MAILBOX #define RT_USING_MAILBOX
// <bool name="RT_USING_MESSAGEQUEUE" description="Using message queue in the system" default="true" />
#define RT_USING_MESSAGEQUEUE #define RT_USING_MESSAGEQUEUE
// </section>
// <section name="MM" description="Memory Management" default="always" > /* Memory Management */
// <bool name="RT_USING_MEMPOOL" description="Using Memory Pool Management in the system" default="true" />
#define RT_USING_MEMPOOL #define RT_USING_MEMPOOL
// <bool name="RT_USING_MEMHEAP" description="Using Memory Heap Object in the system" default="true" />
#define RT_USING_MEMHEAP
// <bool name="RT_USING_HEAP" description="Using Dynamic Heap Management in the system" default="true" />
#define RT_USING_HEAP
// <bool name="RT_USING_SMALL_MEM" description="Optimizing for small memory" default="false" />
#define RT_USING_SMALL_MEM #define RT_USING_SMALL_MEM
// <bool name="RT_USING_SLAB" description="Using SLAB memory management for large memory" default="false" /> #define RT_USING_HEAP
// #define RT_USING_SLAB
// </section> /* Kernel Device Object */
// <section name="RT_USING_DEVICE" description="Using Device Driver Framework" default="true" >
#define RT_USING_DEVICE #define RT_USING_DEVICE
// <bool name="RT_USING_UART" description="Using UART" default="true" />
#define RT_USING_UART
// <bool name="RT_USING_UART0" description="Using UART0" default="true" />
#define RT_USING_UART0
// <integer name="RT_UART_RX_BUFFER_SIZE" description="The buffer size for UART reception" default="64" />
#define RT_UART_RX_BUFFER_SIZE 64
// </section>
// <section name="RT_USING_CONSOLE" description="Using console" default="true" >
#define RT_USING_CONSOLE #define RT_USING_CONSOLE
// <integer name="RT_CONSOLEBUF_SIZE" description="The buffer size for console output" default="128" />
#define RT_CONSOLEBUF_SIZE 128 #define RT_CONSOLEBUF_SIZE 128
// <string name="RT_CONSOLE_DEVICE_NAME" description="The device name for console" default="uart" /> #define RT_CONSOLE_DEVICE_NAME "uart"
#define RT_CONSOLE_DEVICE_NAME "uart0" #define RT_VER_NUM 0x40002
// </section>
/* RT-Thread Components */
// <bool name="RT_USING_COMPONENTS_INIT" description="Using RT-Thread components initialization" default="true" />
#define RT_USING_COMPONENTS_INIT #define RT_USING_COMPONENTS_INIT
// <section name="RT_USING_FINSH" description="Using finsh as shell, which is a C-Express shell" default="true" > #define RT_USING_USER_MAIN
#define RT_MAIN_THREAD_STACK_SIZE 2048
#define RT_MAIN_THREAD_PRIORITY 10
/* C++ features */
/* Command shell */
#define RT_USING_FINSH #define RT_USING_FINSH
// <bool name="FINSH_USING_SYMTAB" description="Using symbol table in finsh shell" default="true" /> #define FINSH_THREAD_NAME "tshell"
#define FINSH_USING_HISTORY
#define FINSH_HISTORY_LINES 5
#define FINSH_USING_SYMTAB #define FINSH_USING_SYMTAB
// <bool name="FINSH_USING_DESCRIPTION" description="Keeping description in symbol table" default="true" />
#define FINSH_USING_DESCRIPTION #define FINSH_USING_DESCRIPTION
// <integer name="FINSH_THREAD_STACK_SIZE" description="The stack size for finsh thread" default="4096" /> #define FINSH_THREAD_PRIORITY 20
#define FINSH_THREAD_STACK_SIZE 4096 #define FINSH_THREAD_STACK_SIZE 4096
// </section> #define FINSH_CMD_SIZE 80
#define FINSH_USING_MSH
#define FINSH_USING_MSH_DEFAULT
#define FINSH_ARG_MAX 10
// <section name="RT_USING_LIBC" description="C Runtime library setting" default="true" > /* Device virtual file system */
#define RT_USING_LIBC
// <bool name="RT_USING_PTHREADS" description="Using POSIX threads library" default="true" />
#define RT_USING_PTHREADS
// </section>
// <section name="RT_USING_DFS" description="Device file system" default="true" > #define RT_USING_DFS
// #define RT_USING_DFS #define DFS_USING_WORKDIR
// <bool name="DFS_USING_WORKDIR" description="Using working directory" default="true" />
// #define DFS_USING_WORKDIR
// <integer name="DFS_FILESYSTEMS_MAX" description="The maximal number of mounted file system" default="4" />
#define DFS_FILESYSTEMS_MAX 2 #define DFS_FILESYSTEMS_MAX 2
// <integer name="DFS_FD_MAX" description="The maximal number of opened files" default="4" /> #define DFS_FILESYSTEM_TYPES_MAX 2
#define DFS_FD_MAX 4 #define DFS_FD_MAX 16
// <bool name="RT_USING_DFS_ELMFAT" description="Using ELM FatFs" default="true" /> #define RT_USING_DFS_DEVFS
#define RT_USING_DFS_ELMFAT
// <integer name="RT_DFS_ELM_USE_LFN" description="Support long file name" default="0">
// <item description="LFN1">1</item>
// <item description="LFN1">2</item>
// </integer>
#define RT_DFS_ELM_USE_LFN 1
// <integer name="RT_DFS_ELM_MAX_LFN" description="Maximal size of file name length" default="255" />
#define RT_DFS_ELM_MAX_LFN 64
// <bool name="RT_USING_DFS_YAFFS2" description="Using YAFFS2" default="false" />
// #define RT_USING_DFS_YAFFS2
// <bool name="RT_USING_DFS_UFFS" description="Using UFFS" default="false" />
// #define RT_USING_DFS_UFFS
// <bool name="RT_USING_DFS_DEVFS" description="Using devfs for device objects" default="true" />
// #define RT_USING_DFS_DEVFS
// <bool name="RT_USING_DFS_NFS" description="Using NFS v3 client file system" default="false" />
// #define RT_USING_DFS_NFS
// <string name="RT_NFS_HOST_EXPORT" description="NFSv3 host export" default="192.168.1.5:/" />
#define RT_NFS_HOST_EXPORT "192.168.1.5:/"
// </section>
// <section name="RT_USING_LWIP" description="lwip, a lightweight TCP/IP protocol stack" default="true" > /* Device Drivers */
// #define RT_USING_LWIP
// <bool name="RT_LWIP_ICMP" description="Enable ICMP protocol" default="true" />
#define RT_LWIP_ICMP
// <bool name="RT_LWIP_IGMP" description="Enable IGMP protocol" default="false" />
// #define RT_LWIP_IGMP
// <bool name="RT_LWIP_UDP" description="Enable UDP protocol" default="true" />
#define RT_LWIP_UDP
// <bool name="RT_LWIP_TCP" description="Enable TCP protocol" default="true" />
#define RT_LWIP_TCP
// <bool name="RT_LWIP_DNS" description="Enable DNS protocol" default="true" />
#define RT_LWIP_DNS
// <integer name="RT_LWIP_PBUF_NUM" description="Maximal number of buffers in the pbuf pool" default="4" />
#define RT_LWIP_PBUF_NUM 4
// <integer name="RT_LWIP_TCP_PCB_NUM" description="Maximal number of simultaneously active TCP connections" default="5" />
#define RT_LWIP_TCP_PCB_NUM 3
// <integer name="RT_LWIP_TCP_SND_BUF" description="TCP sender buffer size" default="8192" />
#define RT_LWIP_TCP_SND_BUF 2048
// <integer name="RT_LWIP_TCP_WND" description="TCP receive window" default="8192" />
#define RT_LWIP_TCP_WND 2048
// <bool name="RT_LWIP_SNMP" description="Enable SNMP protocol" default="false" />
// #define RT_LWIP_SNMP
// <bool name="RT_LWIP_DHCP" description="Enable DHCP client to get IP address" default="false" />
// #define RT_LWIP_DHCP
// <integer name="RT_LWIP_TCP_SEG_NUM" description="the number of simultaneously queued TCP" default="4" />
#define RT_LWIP_TCP_SEG_NUM 4
// <integer name="RT_LWIP_TCPTHREAD_PRIORITY" description="the thread priority of TCP thread" default="128" />
#define RT_LWIP_TCPTHREAD_PRIORITY 12
// <integer name="RT_LWIP_TCPTHREAD_MBOX_SIZE" description="the mail box size of TCP thread to wait for" default="32" />
#define RT_LWIP_TCPTHREAD_MBOX_SIZE 8
// <integer name="RT_LWIP_TCPTHREAD_STACKSIZE" description="the thread stack size of TCP thread" default="4096" />
#define RT_LWIP_TCPTHREAD_STACKSIZE 4096
// <integer name="RT_LWIP_ETHTHREAD_PRIORITY" description="the thread priority of ethnetif thread" default="144" />
#define RT_LWIP_ETHTHREAD_PRIORITY 14
// <integer name="RT_LWIP_ETHTHREAD_MBOX_SIZE" description="the mail box size of ethnetif thread to wait for" default="8" />
#define RT_LWIP_ETHTHREAD_MBOX_SIZE 8
// <integer name="RT_LWIP_ETHTHREAD_STACKSIZE" description="the stack size of ethnetif thread" default="512" />
#define RT_LWIP_ETHTHREAD_STACKSIZE 512
// <ipaddr name="RT_LWIP_IPADDR" description="IP address of device" default="192.168.1.30" />
#define RT_LWIP_IPADDR0 192
#define RT_LWIP_IPADDR1 168
#define RT_LWIP_IPADDR2 1
#define RT_LWIP_IPADDR3 30
// <ipaddr name="RT_LWIP_GWADDR" description="Gateway address of device" default="192.168.1.1" />
#define RT_LWIP_GWADDR0 192
#define RT_LWIP_GWADDR1 168
#define RT_LWIP_GWADDR2 1
#define RT_LWIP_GWADDR3 1
// <ipaddr name="RT_LWIP_MSKADDR" description="Mask address of device" default="255.255.255.0" />
#define RT_LWIP_MSKADDR0 255
#define RT_LWIP_MSKADDR1 255
#define RT_LWIP_MSKADDR2 255
#define RT_LWIP_MSKADDR3 0
// </section>
// <section name="RT_USING_MODULE" description="Application module" default="true" > #define RT_USING_DEVICE_IPC
// #define RT_USING_MODULE #define RT_PIPE_BUFSZ 512
// </section> #define RT_USING_SERIAL
#define RT_SERIAL_USING_DMA
#define RT_SERIAL_RB_BUFSZ 64
#define RT_USING_PIN
// <section name="RT_USING_RTGUI" description="RTGUI, a graphic user interface" default="true" > /* Using USB */
// #define RT_USING_RTGUI
// <integer name="RTGUI_NAME_MAX" description="Maximal size of RTGUI object name length" default="16" />
#define RTGUI_NAME_MAX 16
// <bool name="RTGUI_USING_FONT16" description="Support 16 weight font" default="true" />
#define RTGUI_USING_FONT16
// <bool name="RTGUI_USING_FONT12" description="Support 12 weight font" default="true" />
#define RTGUI_USING_FONT12
// <bool name="RTGUI_USING_FONTHZ" description="Support Chinese font" default="true" />
#define RTGUI_USING_FONTHZ
// <bool name="RTGUI_USING_DFS_FILERW" description="Using DFS as file interface " default="true" />
#define RTGUI_USING_DFS_FILERW
// <bool name="RTGUI_USING_HZ_FILE" description="Using font file as Chinese font" default="false" />
// #define RTGUI_USING_HZ_FILE
// <bool name="RTGUI_USING_HZ_BMP" description="Using Chinese bitmap font" default="true" />
#define RTGUI_USING_HZ_BMP
// <bool name="RTGUI_USING_SMALL_SIZE" description="Using small size in RTGUI" default="false" />
#define RTGUI_USING_SMALL_SIZE
// <bool name="RTGUI_USING_MOUSE_CURSOR" description="Using mouse cursor in RTGUI" default="false" />
// #define RTGUI_USING_MOUSE_CURSOR
// <bool name="RTGUI_IMAGE_XPM" description="Using xpm image in RTGUI" default="true" />
#define RTGUI_IMAGE_XPM
// <bool name="RTGUI_IMAGE_JPEG" description="Using jpeg image in RTGUI" default="true" />
// #define RTGUI_IMAGE_JPEG
// <bool name="RTGUI_IMAGE_PNG" description="Using png image in RTGUI" default="true" />
// #define RTGUI_IMAGE_PNG
// <bool name="RTGUI_IMAGE_BMP" description="Using bmp image in RTGUI" default="true" />
#define RTGUI_IMAGE_BMP
// </section>
// </RDTConfigurator>
/* POSIX layer and C standard library */
#define RT_USING_LIBC
#define RT_USING_POSIX
/* Network */
/* Socket abstraction layer */
/* Network interface device */
/* light weight TCP/IP stack */
/* AT commands */
/* VBUS(Virtual Software BUS) */
/* Utilities */
/* RT-Thread MIPS CPU */
/* RT-Thread online packages */
/* IoT - internet of things */
/* Wi-Fi */
/* Marvell WiFi */
/* Wiced WiFi */
/* IoT Cloud */
/* security packages */
/* language packages */
/* multimedia packages */
/* tools packages */
/* system packages */
/* peripheral libraries and drivers */
/* miscellaneous packages */
/* samples: kernel and components samples */
#define SOC_LS1B
#define RT_USING_UART0
#define RT_UART_RX_BUFFER_SIZE 64
#endif #endif

7
bsp/ls1bdev/rtconfig.py
View File

@ -2,7 +2,7 @@ import os
# CPU options # CPU options
ARCH='mips' ARCH='mips'
CPU ='loongson_1b' CPU ='gs232'
# toolchains options # toolchains options
CROSS_TOOL = 'gcc' CROSS_TOOL = 'gcc'
@ -12,7 +12,8 @@ if os.getenv('RTT_CC'):
if CROSS_TOOL == 'gcc': if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc' PLATFORM = 'gcc'
EXEC_PATH = r'C:\Program Files\CodeSourcery\Sourcery G++ Lite For MIPS ELF\bin' EXEC_PATH = "/opt/mips-2016.05/bin"
# EXEC_PATH = r'D:\mgc\embedded\codebench\bin'
else: else:
print('================ERROR============================') print('================ERROR============================')
print('Not support %s yet!' % CROSS_TOOL) print('Not support %s yet!' % CROSS_TOOL)
@ -37,7 +38,7 @@ READELF = PREFIX + 'readelf'
DEVICE = ' -mips32' DEVICE = ' -mips32'
CFLAGS = DEVICE + ' -EL -G0 -mno-abicalls -fno-pic -fno-builtin -fno-exceptions -ffunction-sections -fomit-frame-pointer' CFLAGS = DEVICE + ' -EL -G0 -mno-abicalls -fno-pic -fno-builtin -fno-exceptions -ffunction-sections -fomit-frame-pointer'
AFLAGS = ' -c' + DEVICE + ' -EL -fno-pic -fno-builtin -mno-abicalls -x assembler-with-cpp -DSYSTEM_STACK=0x80003fe8' AFLAGS = ' -c' + DEVICE + ' -EL -fno-pic -fno-builtin -mno-abicalls -x assembler-with-cpp'
LFLAGS = DEVICE + ' -nostartfiles -EL -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T ls1b_ram.lds' LFLAGS = DEVICE + ' -nostartfiles -EL -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T ls1b_ram.lds'
CPATH = '' CPATH = ''

20
bsp/ls1cdev/Kconfig
View File

@ -16,6 +16,7 @@ config PKGS_DIR
default "packages" default "packages"
source "$RTT_DIR/Kconfig" source "$RTT_DIR/Kconfig"
source "$RTT_DIR/libcpu/mips/common/Kconfig"
source "$PKGS_DIR/Kconfig" source "$PKGS_DIR/Kconfig"
config SOC_1C300 config SOC_1C300
@ -24,10 +25,24 @@ config SOC_1C300
select RT_USING_USER_MAIN select RT_USING_USER_MAIN
default y default y
choice
prompt "Board Type"
config RT_LS1C_OPENLOONGSON
bool "OpenLoongson Board"
config RT_LS1C_BAICAIBOARD
bool "Baicai Board"
endchoice
config RT_USING_SELF_BOOT config RT_USING_SELF_BOOT
bool "Enable RT-Thread run without bootloader" bool "Enable RT-Thread run without bootloader"
default n default n
if RT_USING_SELF_BOOT
config RT_SELF_BOOT_DEBUG
bool "Debug self boot code"
default n
endif
if RT_USING_SERIAL if RT_USING_SERIAL
config RT_USING_UART2 config RT_USING_UART2
bool "Using RT_USING_UART2" bool "Using RT_USING_UART2"
@ -49,10 +64,6 @@ config RT_USING_GMAC_INT_MODE
bool "Using RT_USING_GMAC_INT_MODE" bool "Using RT_USING_GMAC_INT_MODE"
default y default y
config RT_USING_FPU
bool "Using RT_USING_FPU"
default y
config RT_USING_SPI0 config RT_USING_SPI0
bool "Enable SPI0" bool "Enable SPI0"
select RT_USING_SPI select RT_USING_SPI
@ -113,4 +124,3 @@ config RT_RTC_NAME
default "RTC" default "RTC"
endif endif

2
bsp/ls1cdev/SConstruct
View File

@ -29,7 +29,7 @@ Export('rtconfig')
objs = PrepareBuilding(env, RTT_ROOT) objs = PrepareBuilding(env, RTT_ROOT)
if GetDepend('RT_USING_SELF_BOOT'): if GetDepend('RT_USING_SELF_BOOT'):
rtconfig.LFLAGS += " -Ttext 0x80010000" rtconfig.LFLAGS += " -Ttext 0x80000000"
else: else:
rtconfig.LFLAGS += " -Ttext 0x80200000" rtconfig.LFLAGS += " -Ttext 0x80200000"
env.Replace(LINKFLAGS = rtconfig.LFLAGS) env.Replace(LINKFLAGS = rtconfig.LFLAGS)

2
bsp/ls1cdev/drivers/SConscript
View File

@ -1,7 +1,7 @@
from building import * from building import *
cwd = GetCurrentDir() cwd = GetCurrentDir()
src = Glob('*.c') src = Glob('*.c') + Glob('*.cpp') + Glob('*_gcc.S')
CPPPATH = [cwd] CPPPATH = [cwd]

75
bsp/ls1cdev/drivers/board.c
View File

@ -8,74 +8,20 @@
* 2010-06-25 Bernard first version * 2010-06-25 Bernard first version
* 2011-08-08 lgnq modified for Loongson LS1B * 2011-08-08 lgnq modified for Loongson LS1B
* 2015-07-06 chinesebear modified for Loongson LS1C * 2015-07-06 chinesebear modified for Loongson LS1C
* 2019-12-04 Jiaxun Yang Adapt new generic MIPS code
*/ */
#include <rtthread.h> #include <rtthread.h>
#include <rthw.h> #include <rthw.h>
#include <mips.h>
#include "board.h" #include "board.h"
#include "drv_uart.h" #include "drv_uart.h"
#include "ls1c.h" #include "ls1c.h"
#define A_K0BASE 0x80000000
extern unsigned char __bss_end; extern unsigned char __bss_end;
#define RT_HW_HEAP_END (0x80000000 + MEM_SIZE)
extern void tlb_refill_exception(void);
extern void general_exception(void);
extern void irq_exception(void);
extern void rt_hw_cache_init(void);
extern void invalidate_writeback_dcache_all(void);
extern void invalidate_icache_all(void);
/**
* This is the timer interrupt service routine.
*/
void rt_hw_timer_handler(void)
{
unsigned int count;
count = read_c0_compare();
write_c0_compare(count);
write_c0_count(0);
/* increase a OS tick */
rt_tick_increase();
}
/**
* This function will initial OS timer
*/
void rt_hw_timer_init(void)
{
write_c0_compare(CPU_HZ/2/RT_TICK_PER_SECOND);
write_c0_count(0);
}
/**
* init hardware FPU
*/
void rt_hw_fpu_init(void)
{
rt_uint32_t c0_status = 0;
rt_uint32_t c1_status = 0;
// 使能协处理器1--FPU
c0_status = read_c0_status();
c0_status |= (ST0_CU1 | ST0_FR);
write_c0_status(c0_status);
// 配置FPU
c1_status = read_c1_status();
c1_status |= (FPU_CSR_FS | FPU_CSR_FO | FPU_CSR_FN); // set FS, FO, FN
c1_status &= ~(FPU_CSR_ALL_E); // disable exception
c1_status = (c1_status & (~FPU_CSR_RM)) | FPU_CSR_RN; // set RN
write_c1_status(c1_status);
return ;
}
/** /**
@ -83,23 +29,12 @@ void rt_hw_fpu_init(void)
*/ */
void rt_hw_board_init(void) void rt_hw_board_init(void)
{ {
/* init cache */ /* init hardware interrupt */
rt_hw_cache_init(); rt_hw_exception_init();
/* init hardware interrupt */ /* init hardware interrupt */
rt_hw_interrupt_init(); rt_hw_interrupt_init();
/* clear bev */
write_c0_status(read_c0_status()&(~(1<<22)));
/* copy vector */
rt_memcpy((void *)A_K0BASE, tlb_refill_exception, 0x80);
rt_memcpy((void *)(A_K0BASE + 0x180), general_exception, 0x80);
rt_memcpy((void *)(A_K0BASE + 0x200), irq_exception, 0x80);
invalidate_writeback_dcache_all();
invalidate_icache_all();
#ifdef RT_USING_HEAP #ifdef RT_USING_HEAP
rt_system_heap_init((void*)&__bss_end, (void*)RT_HW_HEAP_END); rt_system_heap_init((void*)&__bss_end, (void*)RT_HW_HEAP_END);
#endif #endif

44
bsp/ls1cdev/drivers/board.h
View File

@ -8,15 +8,55 @@
* 2010-06-25 Bernard first version * 2010-06-25 Bernard first version
* 2011-08-08 lgnq modified for Loongson LS1B * 2011-08-08 lgnq modified for Loongson LS1B
* 2015-07-06 chinesebear modified for Loongson LS1C * 2015-07-06 chinesebear modified for Loongson LS1C
* 2019-12-04 Jiaxun Yang Add board config defines
*/ */
#ifndef __BOARD_H__ #ifndef __BOARD_H__
#define __BOARD_H__ #define __BOARD_H__
#include <rtconfig.h>
#ifndef __ASSEMBLY__
void rt_hw_board_init(void); void rt_hw_board_init(void);
#endif
/* 32M SDRAM */ /*
#define RT_HW_HEAP_END (0x80000000 + 32 * 1024 * 1024) * SDRAM config
*
* Take IS42S16400 SDRAM chip as a example
* The specfication is
* Size 8MB
* WIDTH: 16 bits
* COL WIDTH: 8 bits, so we should take the 8 power of 2, it's 256
* ROW WIDTH: 12 bits, so we take the 12 power of 2, it's 4K
*
* Please reference macro SD_PARA0 and SDRAM registers intruduction
* in user's manual to edit the SDRAM config.
*/
#if defined(RT_LS1C_BAICAIBOARD)
/* 8MByte IS42S16400 appeared in bacai_board V1.x V2.x */
#define MEM_SIZE (0x800000)
#define SDRAM_WIDTH (WIDTH_16)
#define SDRAM_COL (COL_256)
#define SDRAM_ROW (ROW_4K)
#elif defined(RT_LS1C_OPENLOONGSON)
/* 32MByte appeared in SmartLoong board */
#define MEM_SIZE (0x2000000)
#define SDRAM_WIDTH (WIDTH_16)
#define SDRAM_COL (COL_512)
#define SDRAM_ROW (ROW_8K)
#else
#error Unknown Board
#endif
/* Early Debug config */
#define EARLY_DEBUG /* UART2 serial print debug in early stage */
#define EARLY_DEBUG_BAUD (115200)
/* Clock config */
#define CPU_HZ (252 * 1000000) #define CPU_HZ (252 * 1000000)
#define PLL_MULT (0x54) /* When external clock is 24Mhz PLL=504Mhz */
#define SDRAM_DIV (0) /* SDRAM is CPU divided by 2*/
#define CPU_DIV (2) /* CPU clock is PLL divided by 2 */
#endif #endif

61
bsp/ls1cdev/drivers/drv_uart.h
View File

@ -12,6 +12,7 @@
#define __DRV_UART_H__ #define __DRV_UART_H__
#include "ls1c.h" #include "ls1c.h"
#include <rthw.h>
#define DEV_CLK 252000000 // 252MHz #define DEV_CLK 252000000 // 252MHz
#define UART_BAUDRATE 115200 #define UART_BAUDRATE 115200
@ -31,43 +32,43 @@
#define UART11_BASE 0xBFE4Cb00 #define UART11_BASE 0xBFE4Cb00
/* UART registers */ /* UART registers */
#define UART_DAT(base) __REG8(base + 0x00) #define UART_DAT(base) HWREG8(base + 0x00)
#define UART_IER(base) __REG8(base + 0x01) #define UART_IER(base) HWREG8(base + 0x01)
#define UART_IIR(base) __REG8(base + 0x02) #define UART_IIR(base) HWREG8(base + 0x02)
#define UART_FCR(base) __REG8(base + 0x02) #define UART_FCR(base) HWREG8(base + 0x02)
#define UART_LCR(base) __REG8(base + 0x03) #define UART_LCR(base) HWREG8(base + 0x03)
#define UART_MCR(base) __REG8(base + 0x04) #define UART_MCR(base) HWREG8(base + 0x04)
#define UART_LSR(base) __REG8(base + 0x05) #define UART_LSR(base) HWREG8(base + 0x05)
#define UART_MSR(base) __REG8(base + 0x06) #define UART_MSR(base) HWREG8(base + 0x06)
#define UART_LSB(base) __REG8(base + 0x00) #define UART_LSB(base) HWREG8(base + 0x00)
#define UART_MSB(base) __REG8(base + 0x01) #define UART_MSB(base) HWREG8(base + 0x01)
/* UART0 registers */ /* UART0 registers */
#define UART0_DAT __REG8(UART0_BASE + 0x00) #define UART0_DAT HWREG8(UART0_BASE + 0x00)
#define UART0_IER __REG8(UART0_BASE + 0x01) #define UART0_IER HWREG8(UART0_BASE + 0x01)
#define UART0_IIR __REG8(UART0_BASE + 0x02) #define UART0_IIR HWREG8(UART0_BASE + 0x02)
#define UART0_FCR __REG8(UART0_BASE + 0x02) #define UART0_FCR HWREG8(UART0_BASE + 0x02)
#define UART0_LCR __REG8(UART0_BASE + 0x03) #define UART0_LCR HWREG8(UART0_BASE + 0x03)
#define UART0_MCR __REG8(UART0_BASE + 0x04) #define UART0_MCR HWREG8(UART0_BASE + 0x04)
#define UART0_LSR __REG8(UART0_BASE + 0x05) #define UART0_LSR HWREG8(UART0_BASE + 0x05)
#define UART0_MSR __REG8(UART0_BASE + 0x06) #define UART0_MSR HWREG8(UART0_BASE + 0x06)
#define UART0_LSB __REG8(UART0_BASE + 0x00) #define UART0_LSB HWREG8(UART0_BASE + 0x00)
#define UART0_MSB __REG8(UART0_BASE + 0x01) #define UART0_MSB HWREG8(UART0_BASE + 0x01)
/* UART1 registers */ /* UART1 registers */
#define UART1_DAT __REG8(UART1_BASE + 0x00) #define UART1_DAT HWREG8(UART1_BASE + 0x00)
#define UART1_IER __REG8(UART1_BASE + 0x01) #define UART1_IER HWREG8(UART1_BASE + 0x01)
#define UART1_IIR __REG8(UART1_BASE + 0x02) #define UART1_IIR HWREG8(UART1_BASE + 0x02)
#define UART1_FCR __REG8(UART1_BASE + 0x02) #define UART1_FCR HWREG8(UART1_BASE + 0x02)
#define UART1_LCR __REG8(UART1_BASE + 0x03) #define UART1_LCR HWREG8(UART1_BASE + 0x03)
#define UART1_MCR __REG8(UART1_BASE + 0x04) #define UART1_MCR HWREG8(UART1_BASE + 0x04)
#define UART1_LSR __REG8(UART1_BASE + 0x05) #define UART1_LSR HWREG8(UART1_BASE + 0x05)
#define UART1_MSR __REG8(UART1_BASE + 0x06) #define UART1_MSR HWREG8(UART1_BASE + 0x06)
#define UART1_LSB __REG8(UART1_BASE + 0x00) #define UART1_LSB HWREG8(UART1_BASE + 0x00)
#define UART1_MSB __REG8(UART1_BASE + 0x01) #define UART1_MSB HWREG8(UART1_BASE + 0x01)
/* UART interrupt enable register value */ /* UART interrupt enable register value */
#define UARTIER_IME (1 << 3) #define UARTIER_IME (1 << 3)

8
bsp/ls1cdev/drivers/net/synopGMAC_plat.h
View File

@ -39,14 +39,6 @@
typedef int bool; typedef int bool;
//typedef unsigned long dma_addr_t; //typedef unsigned long dma_addr_t;
//sw
/* write/read MMIO register */
#define writeb(val, addr) (*(volatile u8*)(addr) = (val))
#define writew(val, addr) (*(volatile u16*)(addr) = (val))
#define writel(val, addr) (*(volatile u32*)(addr) = (val))
#define readb(addr) (*(volatile u8*)(addr))
#define readw(addr) (*(volatile u16*)(addr))
#define readl(addr) (*(volatile u32*)(addr))
#define KUSEG_ADDR 0x0 #define KUSEG_ADDR 0x0

168
bsp/ls1cdev/drivers/selfboot.h Normal file
View File

@ -0,0 +1,168 @@
/*
* Copyright (c) 2006-2019, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-12-04 Jiaxun Yang Initial version
*/
#ifndef __RT_LS1C_SELFBOOT_H
#define __RT_LS1C_SELFBOOT_H
/* SDRAM PARAM macro */
#define SD_FREQ (((APB_CLK / 4) * (PLL_MULT / CPU_DIV)) / SDRAM_PARAM_DIV_NUM)
/* SDRAM ROW */
#define ROW_1K 0x7
#define ROW_2K 0x0
#define ROW_4K 0x1
#define ROW_8K 0x2
#define ROW_16K 0x3
/* SDRAM COL */
#define COL_256 0x7
#define COL_512 0x0
#define COL_1K 0x1
#define COL_2K 0x2
#define COL_4K 0x3
/* SDRAM WIDTH */
#define WIDTH_8 0x0
#define WIDTH_16 0x1
#define WIDTH_32 0x2
#define TRCD 3
#define TCL 3
#define TRP 3
#define TRFC 8
#define TRAS 6
#define TREF 0x818
#define TWR 2
#define DEF_SEL 0x1
#define DEF_SEL_N 0x0
#define HANG_UP 0x1
#define HANG_UP_N 0x0
#define CFG_VALID 0x1
#include "board.h"
#define SD_PARA0 (0x7f<<25 | \
(TRAS << 21) | \
(TRFC << 17) | (TRP << 14) | (TCL << 11) | \
(TRCD << 8) | (SDRAM_WIDTH << 6) | (SDRAM_COL << 3) | \
SDRAM_ROW)
#define SD_PARA1 ((HANG_UP_N << 8) | (DEF_SEL_N << 7) | (TWR << 5) | (TREF >> 7))
#define SD_PARA1_EN ((CFG_VALID << 9) | (HANG_UP_N << 8) | \
(DEF_SEL_N << 7) | (TWR << 5) | (TREF >> 7))
#define LS1C_CBUS_FIRST1 0xBFE011C4
#define LS1C_UART2_BASE 0xBFE48000
/* UART register offset*/
#define LS1C_UART_DAT_OFFSET (0)
#define LS1C_UART_IER_OFFSET (1)
#define LS1C_UART_IIR_OFFSET (2)
#define LS1C_UART_FCR_OFFSET (2)
#define LS1C_UART_LCR_OFFSET (3)
#define LS1C_UART_MCR_OFFSET (4)
#define LS1C_UART_LSR_OFFSET (5)
#define LS1C_UART_MSR_OFFSET (6)
#define LS1C_UART_LSB_OFFSET (0)
#define LS1C_UART_MSB_OFFSET (1)
/* interrupt enable register */
#define IER_IRxE 0x1
#define IER_ITxE 0x2
#define IER_ILE 0x4
#define IER_IME 0x8
/* interrupt identification register */
#define IIR_IMASK 0xf /* mask */
#define IIR_RXTOUT 0xc /* receive timeout */
#define IIR_RLS 0x6 /* receive line status */
#define IIR_RXRDY 0x4 /* receive ready */
#define IIR_TXRDY 0x2 /* transmit ready */
#define IIR_NOPEND 0x1 /* nothing */
#define IIR_MLSC 0x0 /* modem status */
#define IIR_FIFO_MASK 0xc0 /* set if FIFOs are enabled */
/* fifo control register */
#define FIFO_ENABLE 0x01 /* enable fifo */
#define FIFO_RCV_RST 0x02 /* reset receive fifo */
#define FIFO_XMT_RST 0x04 /* reset transmit fifo */
#define FIFO_DMA_MODE 0x08 /* enable dma mode */
#define FIFO_TRIGGER_1 0x00 /* trigger at 1 char */
#define FIFO_TRIGGER_4 0x40 /* trigger at 4 chars */
#define FIFO_TRIGGER_8 0x80 /* trigger at 8 chars */
#define FIFO_TRIGGER_14 0xc0 /* trigger at 14 chars */
/* character format control register */
#define CFCR_DLAB 0x80 /* divisor latch */
#define CFCR_SBREAK 0x40 /* send break */
#define CFCR_PZERO 0x30 /* zero parity */
#define CFCR_PONE 0x20 /* one parity */
#define CFCR_PEVEN 0x10 /* even parity */
#define CFCR_PODD 0x00 /* odd parity */
#define CFCR_PENAB 0x08 /* parity enable */
#define CFCR_STOPB 0x04 /* 2 stop bits */
#define CFCR_8BITS 0x03 /* 8 data bits */
#define CFCR_7BITS 0x02 /* 7 data bits */
#define CFCR_6BITS 0x01 /* 6 data bits */
#define CFCR_5BITS 0x00 /* 5 data bits */
/* modem control register */
#define MCR_LOOPBACK 0x10 /* loopback */
#define MCR_IENABLE 0x08 /* output 2 = int enable */
#define MCR_DRS 0x04 /* output 1 = xxx */
#define MCR_RTS 0x02 /* enable RTS */
#define MCR_DTR 0x01 /* enable DTR */
/* line status register */
#define LSR_RCV_FIFO 0x80 /* error in receive fifo */
#define LSR_TSRE 0x40 /* transmitter empty */
#define LSR_TXRDY 0x20 /* transmitter ready */
#define LSR_BI 0x10 /* break detected */
#define LSR_FE 0x08 /* framing error */
#define LSR_PE 0x04 /* parity error */
#define LSR_OE 0x02 /* overrun error */
#define LSR_RXRDY 0x01 /* receiver ready */
#define LSR_RCV_MASK 0x1f
/* External clock frequency */
#define AHB_CLK (24000000)
#define APB_CLK (AHB_CLK)
/* START_FREQ register bits */
#define M_PLL_SHIFT (8)
#define M_PLL (0xff << M_PLL_SHIFT)
#define FRAC_N_SHIFT (16)
#define FRAC_N (0xff << FRAC_N_SHIFT)
#define DIV_SDRAM_SHIFT (0)
#define DIV_SDRAM (0x3 << DIV_SDRAM_SHIFT)
/* CLK_DIV_PARAM register bits */
#define DIV_PIX_EN (0x1 << 31)
#define DIV_PIX (0x7f << 24)
#define DIV_CAM_EN (0x1 << 23)
#define DIV_CAM (0x7f << 16)
#define DIV_CPU_EN (0x1 << 15)
#define DIV_CPU (0x7f << 8)
#define DIV_PIX_VALID (0x1 << 5)
#define DIV_PIX_SEL (0x1 << 4)
#define DIV_CAM_VALID (0x1 << 3)
#define DIV_CAM_SEL (0x1 << 2)
#define DIV_CPU_VALID (0x1 << 1)
#define DIV_CPU_SEL (0x1 << 0)
#define DIV_PIX_SHIFT (24)
#define DIV_CAM_SHIFT (16)
#define DIV_CPU_SHIFT (8)
#endif

549
bsp/ls1cdev/drivers/selfboot_gcc.S Normal file
View File

@ -0,0 +1,549 @@
/*
* Copyright (c) 2006-2019, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Origin Authors: Loongson Technology Corporation Limited,
* caogos <1207280597@qq.com>, Jiaxun Yang <jiaxun.yang@flygoat.com>,
*
* Also thanks to Liu Shiwei <liushiwei@gmail.com> and other Loongson
* Community developers.
*
* Change Logs:
* Date Author Notes
* 2019-12-04 Jiaxun Yang Initial version
*/
#include <rtconfig.h>
#ifdef RT_USING_SELF_BOOT
#ifndef __ASSEMBLY__
#define __ASSEMBLY__
#endif
#include <mips.h>
#include "selfboot.h"
#include "ls1c.h"
#include "cache.h"
/*
* Register usage:
*
* s0 link versus load offset, used to relocate absolute adresses.
* s1 free
* s2 memory size
* s3 free
* s4 free
* s5 dbg
* s6 sdCfg
* s7 rasave
* s8 free
*/
#define tmpsize s1
#define msize s2
#define bonito s4
#define dbg s5
#define sdCfg s6
/* Macros */
#ifdef RT_SELF_BOOT_DEBUG
#define PRINTSTR(str) \
.pushsection .selfboot_data; .align 4; 98: .asciz str; .popsection; la a0, 98b; bal stringserial; nop
#else
#define PRINTSTR(x)
#endif
#define DELAY(count) \
li v0, count; \
99: \
bnez v0, 99b;\
addiu v0, -1
.section ".selfboot", "ax"
.set noreorder
.set mips32
.globl _start
.extern start
_start:
/* NMI/Reset vector starts here*/
mtc0 zero, CP0_STATUS /* set cp0 status register to zero */
mtc0 zero, CP0_CAUSE /* set cp0 cause register to zero */
li t0, ST0_BEV /* set exception vector to in flash location */
mtc0 t0, CP0_STATUS
/* Speed up SPI reading */
li t0, 0xbfe80000 /* load SPI0 controler base address to t0 */
li t1, 0x17 /* load "div 4, fast_read + burst_en + memory_en double I/O" to
* to t0 for write, not all the flash chips support this mode */
sb t1, 0x4(t0) /* set sfc_param register */
li t1, 0x05
sb t1, 0x6(t0) /* set sfc_timing register */
bal locate /* branch out of vector and get current address to ra */
nop
/* in-flash exception vectors start here */
/* save the exception types to a0 and print out PANIC message in exc_common */
#define EXC_TLB_REFILL 0x0
#define EXC_CACHE_ERR 0x1
#define EXC_GEN 0x2
#define EXC_INT 0x3
.org 0x200 /* 0xbfc00200 TLB_REFILL exception */
li a0, EXC_TLB_REFILL
b exc_common
nop
.org 0x300 /* 0xbfc00300 Cache Error exception */
li a0, EXC_CACHE_ERR
b exc_common
nop
.org 0x380 /* 0xbfc00300 General exception */
li a0,EXC_GEN
b exc_common
nop
.org 0x400 /* 0xbfc00400 Interrupt exception */
li a0, EXC_INT
b exc_common
nop
1: /* impossible to reach here, so make a dead loop */
b 1b
nop
exc_common: /* try one cause and pass to next */
li s1, EXC_TLB_REFILL
bne a0, s1, 1f
nop
PRINTSTR("\r\nEARLY_PANIC: Exception TLB Refill")
b print_cause
nop
1:
li s1, EXC_CACHE_ERR
bne a0, s1, 1f
nop
PRINTSTR("\r\nEARLY_PANIC: CACHE Error: ")
mfc0 a0, CP0_CACHEERR
bal hexserial
nop
b print_cause
nop
1:
li s1, EXC_GEN
bne a0, s1, 1f
nop
PRINTSTR("\r\nEARLY_PANIC: General Exception")
b print_cause
nop
1:
li s1, EXC_INT
bne a0, s1, print_cause /* if all exceptions in a0 not reached,
* print_cause directly*/
nop
PRINTSTR("\r\nEARLY_PANIC: Interrupt Exception")
print_cause:
PRINTSTR("\r\nCAUSE=")
mfc0 a0, CP0_CAUSE
bal hexserial
nop
PRINTSTR("\r\nSTATUS=")
mfc0 a0, CP0_STATUS
bal hexserial
nop
PRINTSTR("\r\nERRORPC=")
mfc0 a0, CP0_ERROREPC
bal hexserial
nop
PRINTSTR("\r\nEPC=")
mfc0 a0, CP0_EPC
bal hexserial
nop
PRINTSTR("\r\nBADADDR=")
mfc0 a0, CP0_BADVADDR
bal hexserial
nop
PRINTSTR("\r\nEARLY: LOOP! Noting to do")
1: /* Make a dead loop here, wait user to reset the MCU */
b 1b
nop
/* locate here, continue the start progress */
locate:
/* fix the absolute address by ra */
la s0, start /* s0 = start */
subu s0, ra, s0 /* s0 = ra - s0 */
and s0, 0xffff0000 /* s0 = s0 & 0xffff0000 */
li t0, 0xbfe78030 /* load PLL/SDRAM freq config register base to t0 */
li t2, (0x80000008 | (PLL_MULT << 8) | (0x3 << 2) | SDRAM_DIV) /* Set PLL
* MULT and PLL DIV */
li t3, (0x00008003 | (CPU_DIV << 8)) /* set CPU DEV */
li t1, 0x2
sw t1, 0x4(t0) /* disable CPU_DIV_VALID firstly for adjustment */
sw t2, 0x0(t0) /* write START_FREQ */
sw t3, 0x4(t0) /* write CLK_DIV_PARAM */
/* start to initialize debug uart port */
la v0, LS1C_UART2_BASE /* load UART2 base to v0, only UART2 can be debug port */
1:
li v1, FIFO_ENABLE|FIFO_RCV_RST|FIFO_XMT_RST|FIFO_TRIGGER_4 /* clear Rx,Tx FIFO
* declear 4 bit int trigger */
sb v1, LS1C_UART_FCR_OFFSET(v0) /* write FCR (FIFO control register) */
li v1, CFCR_DLAB /* reach freq div register */
sb v1, LS1C_UART_LCR_OFFSET(v0) /* write LCR (Line control register)*/
/* Set UART2 reuse with GPIO36,37*/
li a0, LS1C_CBUS_FIRST1 /* load CBUS_FIRST1 offset to a0 */
lw a1, 0x10(a0) /* load value from CBUS_SECOND1 to a1 */
ori a1, 0x30 /* a1 |= 0x30, GPIO36,37 as secondary function */
sw a1, 0x10(a0) /* write back modified CBUS_SECOND1 from a1 */
/* Caculate PLL and bit rate */
li a0, 0xbfe78030 /* load START_FREQ register address to a0 */
lw a1, 0(a0) /* load value from START_FREQ to a1*/
srl a1, 8 /* a1 >>= 8 */
andi a1, 0xff /* a1 &= 0xff, as a1=PLL_MULT */
li a2, APB_CLK /* a2 = APB_CLK = 24Mhz (External Clock Freq) */
srl a2, 2 /* a2 = a2 >> 2 = APB_CLK/4 */
multu a1, a2 /* hilo = a1 * a2 = PLL_MULT * APB_CLK /4 */
mflo v1 /* v1 = lo. put low 32 bit of a1 * a2 to v1 as PLL freq */
/* Determine if we need to devide the clock */
lw a1, 4(a0) /* load value frm CLK_DIV_PARAM to a1 */
andi a2, a1, DIV_CPU_SEL /* a2 = a1 & DIV_CPU_SEL, if CPU_SEL=1, devide the clock,
* if CPU_SEL=0, bypass the clock */
bnez a2, 1f /* if (a2 != 0), branch to next tag 1 */
nop
li v1, APB_CLK /* v1 = APB_CLK */
b 3f
nop
1: /* Determine if the CPU_DIV is valid*/
andi a2, a1, DIV_CPU_EN /* a2 = a1 & DIV_CPU_EN */
bnez a2, 2f /* if (a2 != 0), branch to next tag 2 */
nop
srl v1, 1 /* v1 >>= 1, so v1 = APB_CLK/4 * PLL_MULT/2 */
b 3f
nop
2: /* caculate CPU freq */
andi a1, DIV_CPU /* a1 &= DIV_CPU */
srl a1, DIV_CPU_SHIFT /* a1 >>= DIV_CPU_SHIFT */
divu v1, a1 /* lo = v1/a1, hi = v1 % a1 */
mflo v1 /* v1 = lo, CPU Freq */
3:
li a1, (16 * EARLY_DEBUG_BAUD) /* a1 = 16 * BIT RATE */
divu v1, v1, a1 /* v1 = v1 / a1 */
srl v1, 1 /* v1 >>= 1 */
sb v1, LS1C_UART_LSB_OFFSET(v0) /* write 8bit low into LSB */
srl v1, 8 /* v1 >>= 8 */
sb v1, LS1C_UART_MSB_OFFSET(v0) /* write 8bit low into MSB */
li v1, CFCR_8BITS /* 8n1, no check */
sb v1, LS1C_UART_LCR_OFFSET(v0) /* write to LCR (Line Control Register) */
#ifdef EARLY_DEBUG_UART_FLOW_CTRL
li v1, MCR_DTR|MCR_RTS /* valid DTR and RTS */
sb v1, LS1C_UART_MCR_OFFSET(v0) /* write to MCR (MODEM Control Register) */
#endif
li v1, 0x0 /* disable all the interruptions */
sb v1, LS1C_UART_IER_OFFSET(v0) /* write to IER (Interruptions Enable Registers) */
PRINTSTR("\r\INFO: Loongson 1C300 Starting :) \r\n")
/* disable all GPIOs for conflict functions */
li a0,0xbfd00000
sw zero,0x10c0(a0) /* disable GPIO 0-31 */
sw zero,0x10c4(a0) /* disable GPIO 32-63 */
sw zero,0x10c8(a0) /* disable GPIO 64-95 */
sw zero,0x10cc(a0)
li t0, 0xffffffff
sw t0, 0x10d0(a0)
sw t0, 0x10d4(a0)
sw t0, 0x10d8(a0)
sw t0, 0x10dc(a0)
sw t0, 0x10f0(a0)
sw t0, 0x10f4(a0)
sw t0, 0x10f8(a0)
sw t0, 0x10fc(a0)
PRINTSTR("\r\INFO: All GPIOs are disabled\r\n")
/* SDRAM initialize starts here */
li msize, MEM_SIZE
#ifdef EJTAG_SEL_AS_SDRAM_CS1
li a0, 0xbfd011c0
lw a1, 0x40(a0)
ori a1, 0x01
sw a1, 0x40(a0)
PRINTSTR("\r\INFO: EJTAG_SEL PIN as SDRAM_CS1\r\n")
#endif
/*
* recommanded by user manual, we should write SD_CONFIG[31:0] first, then
* write SD_CONFIG[63:32]. Repeat writing for three times, valid the config in
* the last time.
*/
/* write first time */
li t1, 0xbfd00410 /* load SD_CONFIG[31:0] address to t1 */
li a1, SD_PARA0 /* get the memory config from macro SD_PARA0 */
sw a1, 0x0(t1) /* write to SD_CONFIG[31:0] */
li a1, SD_PARA1
sw a1, 0x4(t1) /* write to SD_CONFIG[63:32] with offset */
PRINTSTR("\r\INFO: SDRAM Config Pass1\r\n")
/* write second time,the same */
li a1, SD_PARA0
sw a1, 0x0(t1)
li a1, SD_PARA1
sw a1, 0x4(t1)
PRINTSTR("\r\INFO: SDRAM Config Pass2\r\n")
/* write third time, enable controller this time */
li a1, SD_PARA0
sw a1, 0x0(t1)
li a1, SD_PARA1_EN /* enable it */
sw a1, 0x4(t1)
PRINTSTR("\r\INFO: SDRAM initialize compeleted\r\n")
/* initialize cache */
bal cache_init /* branch to cache_init */
nop
/* enable cache */
mfc0 a0, CP0_CONFIG /* load cp0 config to a0 */
and a0, a0, ~((1<<12) | 7) /* a0 = a0 & ~((1<<12) | 7) */
or a0, a0, 2 /* a0 |= 2 */
mtc0 a0, CP0_CONFIG /* write back to CP0 config */
/*
* relocate: copy selfboot code to memory in kseg0, fix PC and jump to kseg0.
* in order to speed up the copy progress, we will execute copy code in kseg0
*/
PRINTSTR("\r\INFO: Relocating")
la t0, text_copy_start /* load the adress of start tag to t0 */
move t2, t0
addu t0, s0 /* correct t0 address in rom by s0 */
la t1, text_copy_end
selfboot_copy_loop:
lw v0, (t0) /* copy from memory address in t0 to register v0 */
sw v0, (t2) /* write data in register v0 to memory address t0 */
addiu t0, 0x4 /* t0 moves forward 4 bytes */
addiu t2, 0x4 /* t2 moves forward 4 bytes */
ble t2, t1, selfboot_copy_loop /* if t1 <= t2 loop to continue the copy */
nop
la t0, text_copy_start /* load start address to t0 */
jr t0 /* jump to 122 in kseg0 to start copy code progress */
nop
text_copy_start:
/* Copy code to memory*/
la a0, start /* load address of start symbol to a0 */
addu a1, a0, s0 /* correct a0 to address in flash */
la a2, _edata /* load symbol _edata address to a2 */
subu t1, a2, a0 /* t1 = a2 - a0, the space of text area */
move t0, a0 /* the start address in ram */
move t1, a1 /* the start address in rom */
move t2, a2 /* the end address in rom (symbol _edata) */
/* copy text section */
1:
and t3, t0, 0x0000ffff /* t3 = t0 & 0x0000ffff, get low 16 bit */
bnez t3, 2f /* if t3 != 0, jump to next tag 2 */
nop
2:
lw t3, 0(t1) /* copy 4 bit from memory address t1 to register t3 */
nop
sw t3, 0(t0) /* copy 4 bit from register t3 to memory address in t0 */
addu t0, 4 /* t0 move forward 4 bytes */
addu t1, 4 /* t1 move forward 4 bytes */
bne t2, t0, 1b /* if t2 != t0, branch to last tag 1 to continue copy */
nop
/* copy text section done. */
move a0, msize /* a0 = msize, will be passed to main */
srl a0, 20 /* a0 >>= 20, convert to unit in MB */
/* execute main */
la v0, _rtthread_entry /* load address of function main to v0 */
jalr v0 /* call address in v0, congrats! all low_level things done!
* switch brain out of assembly */
nop
text_copy_end: /* end of self-copy in memory */
loop: /* impossible to reach here, make a dead loop */
b loop
nop
/* functions here */
LEAF(stringserial) /* print out the string in address passed in a0 */
nop
move a2, ra /* save the return address to a2 */
addu a1, a0, s0 /* correct the address in ROM */
lbu a0, 0(a1) /* read the first byte in memory address a1 to a0 */
1:
beqz a0, 2f /* if a0 == 0, jump to next tag 2, empty char */
nop
bal tgt_putchar /* print a char */
addiu a1, 1 /* a1 += 1 move forward to next byte */
b 1b /* branch to the last tag 1, continue */
lbu a0, 0(a1) /* load the next bit from address a1 to a0, in delay solt,
* will be execuated before branch */
2:
j a2 /* return */
nop
END(stringserial)
LEAF(hexserial) /* print out single hex char passed in register a0 */
nop
move a2, ra /* move return address from ra to a2 */
move a1, a0 /* move hex char from register a0 to a1 */
li a3, 7 /* load 7 to a3 */
1:
rol a0, a1, 4 /* rotate left ward shift for 4 bit in a1 to a0 */
move a1, a0
and a0, 0xf
la v0, hexchar
.pushsection .selfboot_data
.align 4
hexchar:
.ascii "0123456789abcdef"
.popsection
.align 4
addu v0, s0
addu v0, a0
bal tgt_putchar
lbu a0, 0(v0)
bnez a3, 1b
addu a3, -1
j a2
nop
END(hexserial)
LEAF(tgt_putchar) /* print out a char in a0 */
la v0, LS1C_UART2_BASE /* load UART register address to a0 */
lbu v1, LS1C_UART_LSR_OFFSET(v0) /* load value from LSR to v0 */
1:
and v1, LSR_TXRDY /* v1 &= LSR_TXRDY determine wether we can send by TFE bit */
beqz v1, 1b /* if (v1 == 0) jump to last 1 tag, waiting until TFE is 1 */
lbu v1, LS1C_UART_LSR_OFFSET(v0) /* load value from LSR to v0 again, in delay solt */
sb a0, LS1C_UART_DAT_OFFSET(v0) /* write a0 into DAT, send out */
j ra /* */
nop
END(tgt_putchar)
LEAF(CPU_SetSR) /* modify SR value, arg 1 = set bits, arg 2 = clear bits. */
mfc0 v0, CP0_STATUS
not v1, a1
and v1, v0
or v1, a0
mtc0 v1, CP0_STATUS
nop
nop
nop
nop
nop
nop
nop
nop
j ra
nop
END(CPU_SetSR)
cache_init:
move t1, ra
####part 2####
cache_detect_4way:
mfc0 t4, CP0_CONFIG,1 /* move CP0 CONFIG to t4 */
lui v0, 0x7 /* v0 = 0x7 << 16 */
and v0, t4, v0 /* v0 = t4 & v0 */
srl t3, v0, 16 /* t3 = v0 >> 16 Icache组相联数 IA */
li t5, 0x800 //32*64
srl v1, t4,22 //v1 = t4 >> 22
andi v1, 7 //Icache每路的组数 64x2^S IS
sll t5, v1 //InstCacheSetSize
sll t5, t3 //t5 InstCacheSize
andi v0, t4, 0x0380
srl t7, v0, 7 //DA
li t6, 0x800 // 32*64
srl v1, t4,13
andi v1, 7 //DS
sll t6, v1 // DataCacheSetSize
sll t6, t7 // t5 DataCacheSize
####part 3####
lui a0, 0x8000 //a0 = 0x8000 << 16
addu a1, $0, t5
addu a2, $0, t6
cache_init_d2way:
/* a0=0x80000000, a1=icache_size, a2=dcache_size */
/* a3, v0 and v1 used as local registers */
mtc0 $0, CP0_TAGHI
addu v0, $0, a0 /* v0 = 0 + a0 */
addu v1, a0, a2 /* v1 = a0 + a2 */
1: slt a3, v0, v1 /* a3 = v0 < v1 ? 1 : 0 */
beq a3, $0, 1f /* if (a3 == 0) goto 1f */
nop
mtc0 $0, CP0_TAGLO
cache Index_Store_Tag_D, 0x0(v0) /* 1 way */
4: beq $0, $0, 1b
addiu v0, v0, 0x20
1:
cache_flush_i2way:
addu v0, $0, a0
addu v1, a0, a1
1:
slt a3, v0, v1
beq a3, $0, 1f
nop
cache Index_Invalidate_I, 0x0(v0) /* 1 way */
4:
beq $0, $0, 1b
addiu v0, v0, 0x20
1:
cache_flush_d2way:
addu v0, $0, a0
addu v1, a0, a2
1: slt a3, v0, v1
beq a3, $0, 1f
nop
cache Index_Writeback_Inv_D, 0x0(v0) /* 1 way */
4: beq $0, $0, 1b
addiu v0, v0, 0x20
1:
cache_init_finish:
jr t1
nop
#endif

20
bsp/ls1cdev/ls1c_ram.lds
View File

@ -12,6 +12,7 @@
* 2010-05-17 swkyer first version * 2010-05-17 swkyer first version
* 2010-09-04 bernard move the beginning entry to 0x80200000 * 2010-09-04 bernard move the beginning entry to 0x80200000
* 2018-05-12 zhuangwei use -Ttext * 2018-05-12 zhuangwei use -Ttext
* 2019-12-04 Jiaxun Yang Adapt new memory layout
*/ */
OUTPUT_ARCH(mips) OUTPUT_ARCH(mips)
@ -20,12 +21,18 @@ GROUP(-lgcc -lc)
ENTRY(_start) ENTRY(_start)
SECTIONS SECTIONS
{ {
. = 0x80000000 ;
. = ALIGN(4); . = ALIGN(4);
.text : .text :
{ {
start = ABSOLUTE(.); start = ABSOLUTE(.);
*(.selfboot);
*(.selfboot_data);
. = ALIGN(4);
__selfboot_end = .;
. = ALIGN(0x1000);
__ebase_entry = .;
KEEP(*(.exc_vectors))
__ebase_end = .;
*(.start); *(.start);
*(.text) *(.text)
*(.text.*) *(.text.*)
@ -74,6 +81,15 @@ SECTIONS
*(.sdata) *(.sdata)
*(.sdata.*) *(.sdata.*)
} }
_edata = .;
.stack :
{
. = ALIGN(8);
_system_stack_start = .;
. = . + 0x400; /* 1kb system stack */
_system_stack = .;
}
.sbss : .sbss :
{ {

201
bsp/ls1cdev/rtconfig.h
View File

@ -8,28 +8,16 @@
#define RT_NAME_MAX 10 #define RT_NAME_MAX 10
#define RT_ALIGN_SIZE 8 #define RT_ALIGN_SIZE 8
/* RT_THREAD_PRIORITY_8 is not set */
#define RT_THREAD_PRIORITY_32 #define RT_THREAD_PRIORITY_32
/* RT_THREAD_PRIORITY_256 is not set */
#define RT_THREAD_PRIORITY_MAX 32 #define RT_THREAD_PRIORITY_MAX 32
#define RT_TICK_PER_SECOND 1000 #define RT_TICK_PER_SECOND 1000
#define RT_USING_OVERFLOW_CHECK #define RT_USING_OVERFLOW_CHECK
#define RT_USING_HOOK #define RT_USING_HOOK
#define RT_USING_IDLE_HOOK
#define RT_IDLE_HOOK_LIST_SIZE 4 #define RT_IDLE_HOOK_LIST_SIZE 4
#define IDLE_THREAD_STACK_SIZE 1024 #define IDLE_THREAD_STACK_SIZE 1024
/* RT_USING_TIMER_SOFT is not set */
#define RT_DEBUG #define RT_DEBUG
#define RT_DEBUG_COLOR #define RT_DEBUG_COLOR
/* RT_DEBUG_INIT_CONFIG is not set */
/* RT_DEBUG_THREAD_CONFIG is not set */
/* RT_DEBUG_SCHEDULER_CONFIG is not set */
/* RT_DEBUG_IPC_CONFIG is not set */
/* RT_DEBUG_TIMER_CONFIG is not set */
/* RT_DEBUG_IRQ_CONFIG is not set */
/* RT_DEBUG_MEM_CONFIG is not set */
/* RT_DEBUG_SLAB_CONFIG is not set */
/* RT_DEBUG_MEMHEAP_CONFIG is not set */
/* RT_DEBUG_MODULE_CONFIG is not set */
/* Inter-Thread communication */ /* Inter-Thread communication */
@ -38,27 +26,22 @@
#define RT_USING_EVENT #define RT_USING_EVENT
#define RT_USING_MAILBOX #define RT_USING_MAILBOX
#define RT_USING_MESSAGEQUEUE #define RT_USING_MESSAGEQUEUE
/* RT_USING_SIGNALS is not set */
/* Memory Management */ /* Memory Management */
#define RT_USING_MEMPOOL #define RT_USING_MEMPOOL
#define RT_USING_MEMHEAP #define RT_USING_MEMHEAP
/* RT_USING_NOHEAP is not set */
#define RT_USING_SMALL_MEM #define RT_USING_SMALL_MEM
/* RT_USING_SLAB is not set */
/* RT_USING_MEMHEAP_AS_HEAP is not set */
/* RT_USING_MEMTRACE is not set */
#define RT_USING_HEAP #define RT_USING_HEAP
/* Kernel Device Object */ /* Kernel Device Object */
#define RT_USING_DEVICE #define RT_USING_DEVICE
/* RT_USING_DEVICE_OPS is not set */
#define RT_USING_INTERRUPT_INFO #define RT_USING_INTERRUPT_INFO
#define RT_USING_CONSOLE #define RT_USING_CONSOLE
#define RT_CONSOLEBUF_SIZE 128 #define RT_CONSOLEBUF_SIZE 128
#define RT_CONSOLE_DEVICE_NAME "uart2" #define RT_CONSOLE_DEVICE_NAME "uart2"
#define RT_VER_NUM 0x40002
/* RT-Thread Components */ /* RT-Thread Components */
@ -69,7 +52,6 @@
/* C++ features */ /* C++ features */
/* RT_USING_CPLUSPLUS is not set */
/* Command shell */ /* Command shell */
@ -79,14 +61,11 @@
#define FINSH_HISTORY_LINES 5 #define FINSH_HISTORY_LINES 5
#define FINSH_USING_SYMTAB #define FINSH_USING_SYMTAB
#define FINSH_USING_DESCRIPTION #define FINSH_USING_DESCRIPTION
/* FINSH_ECHO_DISABLE_DEFAULT is not set */
#define FINSH_THREAD_PRIORITY 20 #define FINSH_THREAD_PRIORITY 20
#define FINSH_THREAD_STACK_SIZE 4096 #define FINSH_THREAD_STACK_SIZE 4096
#define FINSH_CMD_SIZE 80 #define FINSH_CMD_SIZE 80
/* FINSH_USING_AUTH is not set */
#define FINSH_USING_MSH #define FINSH_USING_MSH
#define FINSH_USING_MSH_DEFAULT #define FINSH_USING_MSH_DEFAULT
/* FINSH_USING_MSH_ONLY is not set */
#define FINSH_ARG_MAX 10 #define FINSH_ARG_MAX 10
/* Device virtual file system */ /* Device virtual file system */
@ -96,29 +75,6 @@
#define DFS_FILESYSTEMS_MAX 2 #define DFS_FILESYSTEMS_MAX 2
#define DFS_FILESYSTEM_TYPES_MAX 2 #define DFS_FILESYSTEM_TYPES_MAX 2
#define DFS_FD_MAX 4 #define DFS_FD_MAX 4
/* RT_USING_DFS_MNTTABLE is not set */
#define RT_USING_DFS_ELMFAT
/* elm-chan's FatFs, Generic FAT Filesystem Module */
#define RT_DFS_ELM_CODE_PAGE 936
#define RT_DFS_ELM_WORD_ACCESS
#define RT_DFS_ELM_USE_LFN_0
/* RT_DFS_ELM_USE_LFN_1 is not set */
/* RT_DFS_ELM_USE_LFN_2 is not set */
/* RT_DFS_ELM_USE_LFN_3 is not set */
#define RT_DFS_ELM_USE_LFN 0
#define RT_DFS_ELM_MAX_LFN 64
#define RT_DFS_ELM_DRIVES 2
#define RT_DFS_ELM_MAX_SECTOR_SIZE 512
/* RT_DFS_ELM_USE_ERASE is not set */
#define RT_DFS_ELM_REENTRANT
/* RT_USING_DFS_DEVFS is not set */
/* RT_USING_DFS_ROMFS is not set */
/* RT_USING_DFS_RAMFS is not set */
/* RT_USING_DFS_UFFS is not set */
/* RT_USING_DFS_JFFS2 is not set */
/* RT_USING_DFS_NFS is not set */
/* Device Drivers */ /* Device Drivers */
@ -126,200 +82,95 @@
#define RT_PIPE_BUFSZ 512 #define RT_PIPE_BUFSZ 512
#define RT_USING_SERIAL #define RT_USING_SERIAL
#define RT_SERIAL_USING_DMA #define RT_SERIAL_USING_DMA
#define RT_SERIAL_RB_BUFSZ 64
#define RT_USING_CAN #define RT_USING_CAN
/* RT_CAN_USING_HDR is not set */
/* RT_USING_HWTIMER is not set */
/* RT_USING_CPUTIME is not set */
#define RT_USING_I2C #define RT_USING_I2C
#define RT_USING_I2C_BITOPS #define RT_USING_I2C_BITOPS
#define RT_USING_PIN #define RT_USING_PIN
/* RT_USING_PWM is not set */
/* RT_USING_MTD_NOR is not set */
/* RT_USING_MTD_NAND is not set */
/* RT_USING_MTD is not set */
/* RT_USING_PM is not set */
/* RT_USING_RTC is not set */
/* RT_USING_SDIO is not set */
#define RT_USING_SPI #define RT_USING_SPI
#define RT_USING_SPI_MSD #define RT_USING_SPI_MSD
/* RT_USING_SFUD is not set */
/* RT_USING_W25QXX is not set */
/* RT_USING_GD is not set */
/* RT_USING_ENC28J60 is not set */
/* RT_USING_SPI_WIFI is not set */
/* RT_USING_WDT is not set */
/* RT_USING_AUDIO is not set */
/* Using WiFi */
/* RT_USING_WIFI is not set */
/* Using USB */ /* Using USB */
/* RT_USING_USB_HOST is not set */
/* RT_USING_USB_DEVICE is not set */
/* POSIX layer and C standard library */ /* POSIX layer and C standard library */
#define RT_USING_LIBC #define RT_USING_LIBC
#define RT_USING_PTHREADS #define RT_USING_PTHREADS
/* RT_USING_POSIX is not set */ #define PTHREAD_NUM_MAX 8
/* RT_USING_MODULE is not set */
/* Network */ /* Network */
/* Socket abstraction layer */ /* Socket abstraction layer */
/* RT_USING_SAL is not set */
/* Network interface device */
/* light weight TCP/IP stack */ /* light weight TCP/IP stack */
#define RT_USING_LWIP
#define RT_USING_LWIP141
/* RT_USING_LWIP202 is not set */
/* RT_USING_LWIP210 is not set */
#define RT_LWIP_IGMP
#define RT_LWIP_ICMP
/* RT_LWIP_SNMP is not set */
#define RT_LWIP_DNS
#define RT_LWIP_DHCP
#define IP_SOF_BROADCAST 1
#define IP_SOF_BROADCAST_RECV 1
/* Static IPv4 Address */
#define RT_LWIP_IPADDR "192.168.1.254"
#define RT_LWIP_GWADDR "192.168.1.1"
#define RT_LWIP_MSKADDR "255.255.255.0"
#define RT_LWIP_UDP
#define RT_LWIP_TCP
/* RT_LWIP_RAW is not set */
/* RT_LWIP_PPP is not set */
#define RT_MEMP_NUM_NETCONN 8
#define RT_LWIP_PBUF_NUM 4
#define RT_LWIP_RAW_PCB_NUM 4
#define RT_LWIP_UDP_PCB_NUM 4
#define RT_LWIP_TCP_PCB_NUM 3
#define RT_LWIP_TCP_SEG_NUM 40
#define RT_LWIP_TCP_SND_BUF 4096
#define RT_LWIP_TCP_WND 2048
#define RT_LWIP_TCPTHREAD_PRIORITY 12
#define RT_LWIP_TCPTHREAD_MBOX_SIZE 8
#define RT_LWIP_TCPTHREAD_STACKSIZE 4096
/* LWIP_NO_RX_THREAD is not set */
/* LWIP_NO_TX_THREAD is not set */
#define RT_LWIP_ETHTHREAD_PRIORITY 14
#define RT_LWIP_ETHTHREAD_STACKSIZE 512
#define RT_LWIP_ETHTHREAD_MBOX_SIZE 8
/* RT_LWIP_REASSEMBLY_FRAG is not set */
#define LWIP_NETIF_STATUS_CALLBACK 1
#define SO_REUSE 1
#define LWIP_SO_RCVTIMEO 1
#define LWIP_SO_SNDTIMEO 1
#define LWIP_SO_RCVBUF 1
/* RT_LWIP_NETIF_LOOPBACK is not set */
#define LWIP_NETIF_LOOPBACK 0
/* RT_LWIP_STATS is not set */
/* RT_LWIP_DEBUG is not set */
/* Modbus master and slave stack */
/* RT_USING_MODBUS is not set */
/* AT commands */ /* AT commands */
/* RT_USING_AT is not set */
/* LWIP_USING_DHCPD is not set */
/* VBUS(Virtual Software BUS) */ /* VBUS(Virtual Software BUS) */
/* RT_USING_VBUS is not set */
/* Utilities */ /* Utilities */
/* RT_USING_LOGTRACE is not set */
/* RT_USING_RYM is not set */ /* RT-Thread MIPS CPU */
/* RT_USING_ULOG is not set */
/* RT-Thread online packages */ /* RT-Thread online packages */
/* system packages */
/* RT-Thread GUI Engine */
/* PKG_USING_GUIENGINE is not set */
/* PKG_USING_LWEXT4 is not set */
/* PKG_USING_PARTITION is not set */
/* PKG_USING_SQLITE is not set */
/* PKG_USING_RTI is not set */
/* IoT - internet of things */ /* IoT - internet of things */
/* PKG_USING_PAHOMQTT is not set */
/* PKG_USING_WEBCLIENT is not set */
/* PKG_USING_MONGOOSE is not set */
/* PKG_USING_WEBTERMINAL is not set */
/* PKG_USING_CJSON is not set */
/* PKG_USING_LJSON is not set */
/* PKG_USING_EZXML is not set */
/* PKG_USING_NANOPB is not set */
/* PKG_USING_GAGENT_CLOUD is not set */
/* Wi-Fi */ /* Wi-Fi */
/* Marvell WiFi */ /* Marvell WiFi */
/* PKG_USING_WLANMARVELL is not set */
/* Wiced WiFi */ /* Wiced WiFi */
/* PKG_USING_WLAN_WICED is not set */
/* PKG_USING_COAP is not set */ /* IoT Cloud */
/* PKG_USING_NOPOLL is not set */
/* PKG_USING_NETUTILS is not set */
/* security packages */ /* security packages */
/* PKG_USING_MBEDTLS is not set */
/* PKG_USING_libsodium is not set */
/* PKG_USING_TINYCRYPT is not set */
/* language packages */ /* language packages */
/* PKG_USING_JERRYSCRIPT is not set */
/* PKG_USING_MICROPYTHON is not set */
/* multimedia packages */ /* multimedia packages */
/* PKG_USING_OPENMV is not set */
/* tools packages */ /* tools packages */
/* PKG_USING_CMBACKTRACE is not set */
/* PKG_USING_EASYLOGGER is not set */ /* system packages */
/* PKG_USING_SYSTEMVIEW is not set */
/* PKG_USING_IPERF is not set */
/* peripheral libraries and drivers */
/* miscellaneous packages */ /* miscellaneous packages */
/* PKG_USING_FASTLZ is not set */
/* PKG_USING_MINILZO is not set */
/* PKG_USING_QUICKLZ is not set */
/* PKG_USING_MULTIBUTTON is not set */
/* example package: hello */ /* samples: kernel and components samples */
/* PKG_USING_HELLO is not set */ #define SOC_1C300
/* RT_USING_SELF_BOOT is not set */ #define RT_LS1C_BAICAIBOARD
#define RT_USING_SELF_BOOT
#define RT_SELF_BOOT_DEBUG
#define RT_USING_UART2 #define RT_USING_UART2
#define RT_USING_UART1
#define RT_UART_RX_BUFFER_SIZE 64 #define RT_UART_RX_BUFFER_SIZE 64
#define RT_USING_GMAC_INT_MODE #define RT_USING_GMAC_INT_MODE
/* RT_USING_FPU is not set */
/* RT_USING_SPI0 is not set */
/* RT_USING_SPI1 is not set */
#define RT_USING_I2C1 #define RT_USING_I2C1
#define RT_USING_I2C2 #define RT_USING_I2C2
#define USING_BXCAN0 #define NO_TOUCH
#define USING_BXCAN1
#endif #endif

8
bsp/ls1cdev/rtconfig.py
View File

@ -2,7 +2,7 @@ import os
# CPU options # CPU options
ARCH='mips' ARCH='mips'
CPU ='loongson_1c' CPU ='gs232'
# toolchains options # toolchains options
CROSS_TOOL = 'gcc' CROSS_TOOL = 'gcc'
@ -12,8 +12,8 @@ if os.getenv('RTT_CC'):
if CROSS_TOOL == 'gcc': if CROSS_TOOL == 'gcc':
PLATFORM = 'gcc' PLATFORM = 'gcc'
# EXEC_PATH = "/opt/mips-2015.05/bin" EXEC_PATH = "/opt/mips-2016.05/bin"
EXEC_PATH = r'D:\mgc\embedded\codebench\bin' # EXEC_PATH = r'D:\mgc\embedded\codebench\bin'
else: else:
print('================ERROR===========================') print('================ERROR===========================')
print('Not support %s yet!' % CROSS_TOOL) print('Not support %s yet!' % CROSS_TOOL)
@ -41,7 +41,7 @@ READELF = PREFIX + 'readelf'
DEVICE = ' -mips32 -msoft-float -mfp32' DEVICE = ' -mips32 -msoft-float -mfp32'
CFLAGS = DEVICE + ' -EL -G0 -mno-abicalls -fno-pic -fno-builtin -fno-exceptions -ffunction-sections -fomit-frame-pointer' CFLAGS = DEVICE + ' -EL -G0 -mno-abicalls -fno-pic -fno-builtin -fno-exceptions -ffunction-sections -fomit-frame-pointer'
AFLAGS = ' -c' + DEVICE + ' -EL -fno-pic -fno-builtin -mno-abicalls -x assembler-with-cpp -DSYSTEM_STACK=0x80003fe8' AFLAGS = ' -c' + DEVICE + ' -EL -fno-pic -fno-builtin -mno-abicalls -x assembler-with-cpp'
LFLAGS = DEVICE + ' -nostartfiles -EL -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T ls1c_ram.lds' LFLAGS = DEVICE + ' -nostartfiles -EL -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T ls1c_ram.lds'
CPATH = '' CPATH = ''