提交 27469a21 编写于 作者: Nameless-Y's avatar Nameless-Y

[libcpu] remove x1000

上级 8038fbe4
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016/11/02 Urey the first version
*/
#include <rtthread.h>
#include <board.h>
#include <rthw.h>
#include "../common/mips.h"
#define CONFIG_SYS_DCACHE_SIZE 16384
#define CONFIG_SYS_ICACHE_SIZE 16384
#define CONFIG_SYS_CACHELINE_SIZE 32
#define K0_TO_K1() \
do { \
unsigned long __k0_addr; \
\
__asm__ __volatile__( \
"la %0, 1f\n\t" \
"or %0, %0, %1\n\t" \
"jr %0\n\t" \
"nop\n\t" \
"1: nop\n" \
: "=&r"(__k0_addr) \
: "r" (0x20000000) ); \
} while(0)
#define K1_TO_K0() \
do { \
unsigned long __k0_addr; \
__asm__ __volatile__( \
"nop;nop;nop;nop;nop;nop;nop\n\t" \
"la %0, 1f\n\t" \
"jr %0\n\t" \
"nop\n\t" \
"1: nop\n" \
: "=&r" (__k0_addr)); \
} while (0)
#define INVALIDATE_BTB() \
do { \
unsigned long tmp; \
__asm__ __volatile__( \
".set mips32\n\t" \
"mfc0 %0, $16, 7\n\t" \
"nop\n\t" \
"ori %0, 2\n\t" \
"mtc0 %0, $16, 7\n\t" \
"nop\n\t" \
".set mips2\n\t" \
: "=&r" (tmp)); \
} while (0)
#define __sync() \
__asm__ __volatile__( \
".set push\n\t" \
".set noreorder\n\t" \
".set mips2\n\t" \
"sync\n\t" \
".set pop" \
: /* no output */ \
: /* no input */ \
: "memory")
#if defined(JZ4775) || defined(X1000)
#define SYNC_WB() \
do { \
__asm__ __volatile__ ( \
"sync\n\t" \
"lw $0, %0\n\t" \
: \
:"m"(*(int *)0xa0000000) \
:"memory"); \
} while (0)
#else
#error "not define sync wb"
#define SYNC_WB() __asm__ __volatile__ ("sync")
#endif
#undef cache_op
#define cache_op(op, addr) \
__asm__ __volatile__( \
".set push\n" \
".set noreorder\n" \
".set mips3\n" \
"cache %0, %1\n" \
".set pop\n" \
: \
: "i" (op), "R" (*(unsigned char *)(addr)))
void rt_hw_dcache_flush_line(rt_uint32_t addr)
{
cache_op(HIT_WRITEBACK_INV_D, addr);
SYNC_WB();
}
void rt_hw_dcache_flush_range(rt_uint32_t start_addr, rt_uint32_t size)
{
rt_uint32_t lsize = CONFIG_SYS_CACHELINE_SIZE;
rt_uint32_t addr = start_addr & ~(lsize - 1);
rt_uint32_t aend = (start_addr + size - 1) & ~(lsize - 1);
rt_uint32_t writebuffer;
for (; addr <= aend; addr += lsize)
{
cache_op(HIT_WRITEBACK_INV_D, addr);
}
SYNC_WB();
}
void rt_hw_dcache_flush_all(void)
{
rt_uint32_t addr;
for (addr = CKSEG0; addr < CKSEG0 + CONFIG_SYS_DCACHE_SIZE; addr += CONFIG_SYS_CACHELINE_SIZE)
{
cache_op(INDEX_WRITEBACK_INV_D, addr);
}
SYNC_WB();
}
void rt_hw_dcache_invalidate_range(rt_uint32_t start_addr,rt_uint32_t size)
{
rt_uint32_t lsize = CONFIG_SYS_CACHELINE_SIZE;
rt_uint32_t addr = start_addr & ~(lsize - 1);
rt_uint32_t aend = (start_addr + size - 1) & ~(lsize - 1);
for (; addr <= aend; addr += lsize)
cache_op(HIT_INVALIDATE_D, addr);
}
void rt_hw_dcache_invalidate_all(void)
{
rt_uint32_t addr;
for (addr = CKSEG0; addr < CKSEG0 + CONFIG_SYS_DCACHE_SIZE; addr += CONFIG_SYS_CACHELINE_SIZE)
{
cache_op(INDEX_STORE_TAG_D, addr);
}
SYNC_WB();
}
void rt_hw_icache_flush_line(rt_uint32_t addr)
{
cache_op(HIT_INVALIDATE_I, addr);
}
void rt_hw_icache_flush_all(void)
{
rt_uint32_t addr;
asm volatile ("mtc0 $0, $28"); /* Clear Taglo */
asm volatile ("mtc0 $0, $29"); /* Clear TagHi */
for (addr = CKSEG0; addr < CKSEG0 + CONFIG_SYS_DCACHE_SIZE; addr += CONFIG_SYS_CACHELINE_SIZE)
{
cache_op(INDEX_STORE_TAG_I, addr);
}
INVALIDATE_BTB();
}
void rt_hw_icache_invalidate_all(void)
{
rt_uint32_t i;
K0_TO_K1();
asm volatile (".set noreorder\n"
".set mips32\n\t"
"mtc0\t$0,$28\n\t"
"mtc0\t$0,$29\n"
".set mips0\n"
".set reorder\n");
for (i = CKSEG0; i < CKSEG0 + CONFIG_SYS_ICACHE_SIZE; i += CONFIG_SYS_CACHELINE_SIZE)
cache_op(INDEX_STORE_TAG_I, i);
K1_TO_K0();
INVALIDATE_BTB();
}
void rt_hw_flush_cache_all(void)
{
rt_hw_dcache_flush_all();
rt_hw_icache_flush_all();
}
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-9-19 Urey the first version
*/
#ifndef _X1000_CACHE_H_
#define _X1000_CACHE_H_
#include "../common/mips.h"
#include "../common/mips_cache.h"
void rt_hw_icache_invalidate_all(void);
void rt_hw_icache_flush_all(void);
void rt_hw_dcache_flush_all(void);
void rt_hw_dcache_flush_range(rt_uint32_t addr, rt_uint32_t size);
void rt_hw_dcache_invalidate_all(void);
void rt_hw_dcache_invalidate_range(rt_uint32_t addr,rt_uint32_t size);
void rt_hw_flush_cache_all(void);
#endif /* _X1000_CACHE_H_ */
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-9-8 Urey the first version
*/
#include <rtthread.h>
#include <board.h>
#include <rthw.h>
#include "../common/mips.h"
mips32_core_cfg_t g_mips_core =
{
.icache_line_size = 32,
.icache_size = 16384,
.dcache_line_size = 32,
.dcache_size = 16384,
.max_tlb_entries = 16, /* max_tlb_entries */
};
void rt_hw_tlb_init(void)
{
//----------------------------------------------------------------------------------
//cchappy tlb 0x30000000 to 0xC0000000
//----------------------------------------------------------------------------------
unsigned int pagemask = 0x007fe000;//0x01ffe000; /* 4MB */
/* cached D:allow-W V:valid G */
unsigned int entrylo0 = (0x30000000 >> 6) | (3 << 3) + (1 << 2) + (1 << 1) + 1;
unsigned int entrylo1 = (0x30400000 >> 6) | (3 << 3) + (1 << 2) + (1 << 1) + 1;
unsigned int entryhi = 0xc0000000; /* kseg2 base */
int i;
__write_32bit_c0_register($5, 4, 0xa9000000);
write_c0_pagemask(pagemask);
write_c0_wired(0);
/* indexed write 32 tlb entry */
for(i = 0; i < 32; i++)
{
asm (
".macro _ssnop; sll $0, $0, 1; .endm\n\t"
".macro _ehb; sll $0, $0, 3; .endm\n\t"
".macro mtc0_tlbw_hazard; _ssnop; _ssnop; _ehb; .endm\n\t"
".macro tlbw_use_hazard; _ssnop; _ssnop; _ssnop; _ehb; .endm\n\t"
"\n\t"
"mtc0 %0, $0\n\t" /* write Index */
"tlbw_use_hazard\n\t"
"mtc0 %1, $5\n\t" /* write PageMask */
"mtc0 %2, $10\n\t" /* write EntryHi */
"mtc0 %3, $2\n\t" /* write EntryLo0 */
"mtc0 %4, $3\n\t" /* write EntryLo1 */
"mtc0_tlbw_hazard\n\t"
"tlbwi \n\t" /* TLB indexed write */
"tlbw_use_hazard\n\t"
: : "Jr" (i), "r" (pagemask), "r" (entryhi),
"r" (entrylo0), "r" (entrylo1)
);
entryhi += 0x0800000; /* 32MB */
entrylo0 += (0x0800000 >> 6);
entrylo1 += (0x0800000 >> 6);
}
}
void rt_hw_cache_init(void)
{
r4k_cache_flush_all();
}
/**
* this function will reset CPU
*
*/
RT_WEAK void rt_hw_cpu_reset()
{
/* open the watch-dog */
REG_WDT_TCSR = WDT_TCSR_EXT_EN;
REG_WDT_TCSR |= WDT_TCSR_PRESCALE_1024;
REG_WDT_TDR = 0x03;
REG_WDT_TCNT = 0x00;
REG_WDT_TCER |= WDT_TCER_TCEN;
rt_kprintf("reboot system...\n");
rt_hw_interrupt_disable();
while (1);
}
/**
* this function will shutdown CPU
*
*/
RT_WEAK void rt_hw_cpu_shutdown()
{
rt_kprintf("shutdown...\n");
rt_hw_interrupt_disable();
while (1);
}
/**
* This function finds the first bit set (beginning with the least significant bit)
* in value and return the index of that bit.
*
* Bits are numbered starting at 1 (the least significant bit). A return value of
* zero from any of these functions means that the argument was zero.
*
* @return return the index of the first bit set. If value is 0, then this function
* shall return 0.
*/
RT_WEAK int __rt_ffs(int value)
{
return __builtin_ffs(value);
}
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016/09/07 Urey the first version
*/
#include <stdio.h>
#include <stdlib.h>
#include <rtthread.h>
#include <rthw.h>
#include <board.h>
#include "../common/mips.h"
#define INTERRUPTS_MAX 64
extern rt_uint32_t rt_interrupt_nest;
rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
rt_uint32_t rt_thread_switch_interrupt_flag;
static struct rt_irq_desc isr_table[INTERRUPTS_MAX];
static void rt_hw_interrupt_handler(int vector, void *param)
{
rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
}
void rt_hw_interrupt_init(void)
{
rt_int32_t idx;
clear_c0_status(0xff04); /* clear ERL */
set_c0_status(0x0400); /* set IP2 */
rt_memset(isr_table, 0x00, sizeof(isr_table));
for (idx = 0; idx < INTERRUPTS_MAX; idx ++)
{
isr_table[idx].handler = rt_hw_interrupt_handler;
}
/* 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;
/* enable cpu interrupt mask */
set_c0_status(IE_IRQ0 | IE_IRQ1);
}
void rt_hw_interrupt_mask(int vector)
{
/* mask interrupt */
__intc_mask_irq(vector);
}
void rt_hw_interrupt_umask(int vector)
{
__intc_unmask_irq(vector);
}
rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
void *param, const char *name)
{
rt_isr_handler_t old_handler = RT_NULL;
if(vector < INTERRUPTS_MAX)
{
old_handler = isr_table[vector].handler;
#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;
}
rt_inline int fls(int x)
{
__asm__("clz %0, %1" : "=r" (x) : "r" (x));
return 32 - x;
}
void rt_interrupt_dispatch(void *ptreg)
{
void *param;
rt_isr_handler_t irq_func;
int irq = 0, group;
rt_uint32_t intc_ipr0 = 0, intc_ipr1 = 0, vpu_pending = 0;
rt_uint32_t c0_status, c0_cause;
rt_uint32_t pending_im;
/* check os timer */
c0_status = read_c0_status();
c0_cause = read_c0_cause();
pending_im = (c0_cause & ST0_IM) & (c0_status & ST0_IM);
if (pending_im & CAUSEF_IP3)
{
extern void rt_hw_ost_handler(void);
rt_hw_ost_handler();
return;
}
if (pending_im & CAUSEF_IP2)
{
intc_ipr0 = REG_INTC_IPR(0);
intc_ipr1 = REG_INTC_IPR(1);
if (intc_ipr0)
{
irq = fls(intc_ipr0) - 1;
intc_ipr0 &= ~(1<<irq);
}
else if(intc_ipr1)
{
irq = fls(intc_ipr1) - 1;
intc_ipr1 &= ~(1<<irq);
irq += 32;
}
else
{
//VPU
}
if (irq >= INTERRUPTS_MAX)
rt_kprintf("max interrupt, irq=%d\n", irq);
/* do interrupt */
irq_func = isr_table[irq].handler;
param = isr_table[irq].param;
(*irq_func)(irq, param);
#ifdef RT_USING_INTERRUPT_INFO
isr_table[irq].counter++;
#endif /* RT_USING_INTERRUPT_INFO */
/* ack interrupt */
__intc_ack_irq(irq);
}
if (pending_im & CAUSEF_IP0)
rt_kprintf("CAUSEF_IP0\n");
if (pending_im & CAUSEF_IP1)
rt_kprintf("CAUSEF_IP1\n");
if (pending_im & CAUSEF_IP4)
rt_kprintf("CAUSEF_IP4\n");
if (pending_im & CAUSEF_IP5)
rt_kprintf("CAUSEF_IP5\n");
if (pending_im & CAUSEF_IP6)
rt_kprintf("CAUSEF_IP6\n");
if (pending_im & CAUSEF_IP7)
rt_kprintf("CAUSEF_IP7\n");
}
#ifdef RT_USING_INTERRUPT_INFO
#include <finsh.h>
int list_irqs(void)
{
int index;
rt_kprintf("interrupt list:\n");
rt_kprintf("----------------\n");
rt_kprintf("name counter\n");
for (index = 0; index < INTERRUPTS_MAX; index ++)
{
if (isr_table[index].handler != rt_hw_interrupt_handler)
{
rt_kprintf("%-*.*s %d\n", RT_NAME_MAX, RT_NAME_MAX, isr_table[index].name, isr_table[index].counter);
}
}
return 0;
}
MSH_CMD_EXPORT(list_irqs, list interrupt counter);
#endif
unsigned int spin_lock_irqsave(void)
{
register unsigned int t;
t = read_c0_status();
write_c0_status((t & (~1)));
return (t);
}
void spin_unlock_irqrestore(unsigned int val)
{
write_c0_status(val);
}
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-9-11 Urey the first version
*/
#include <rtthread.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include "mips.h"
/*********************************************************************************************************
指令定义
*********************************************************************************************************/
#define ADDUI_SP_INST 0x27bd0000
#define SW_RA_INST 0xafbf0000
#define JR_RA_INST 0x03e00008
#define INST_OP_MASK 0xffff0000
#define INST_OFFSET_MASK 0x0000ffff
#define abs(s) ((s) < 0 ? -(s):(s))
int backtrace_ctx(mips_reg_ctx *ctx)
{
unsigned long *addr;
unsigned long *pc, *ra, *sp;
size_t ra_offset;
size_t stack_size;
int depth;
int size = 8;
pc = (unsigned long *)(unsigned long)ctx->CP0EPC;
ra = (unsigned long *)(unsigned long)ctx->regs[REG_RA];
sp = (unsigned long *)(unsigned long)ctx->regs[REG_SP];
rt_kprintf("[0x%08x]\n", pc);
if (size == 1) return 1;
ra_offset = stack_size = 0;
for (addr = ra; !ra_offset || !stack_size; --addr)
{
switch (*addr & INST_OP_MASK) {
case ADDUI_SP_INST:
stack_size = abs((short)(*addr&INST_OFFSET_MASK));
break;
case SW_RA_INST:
ra_offset = (short)(*addr&INST_OFFSET_MASK);
break;
case 0x3c1c0000:
goto out_of_loop;
default:
break;
}
}
out_of_loop:
if (ra_offset) ra = *(unsigned long **)((unsigned long)sp + ra_offset);
if (stack_size) sp = (unsigned long *)((unsigned long)sp + stack_size);
// repeat backwar scanning
for (depth = 1; depth < size && ra && ra != (unsigned long *)0xffffffff; ++depth)
{
rt_kprintf("RA[%2d] : [0x%08x]\n", depth ,ra);
ra_offset = 0;
stack_size = 0;
for ( addr = ra; !ra_offset || !stack_size; -- addr )
{
switch( *addr & INST_OP_MASK)
{
case ADDUI_SP_INST:
stack_size = abs((short)(*addr&INST_OFFSET_MASK));
break;
case SW_RA_INST:
ra_offset = abs((short)(*addr&INST_OFFSET_MASK));
break;
case 0x3c1c0000:
return depth +1;
default:
break;
}
}
ra = *(unsigned long **)((unsigned long)sp + ra_offset);
sp = (unsigned long *)((unsigned long)sp + stack_size);
}
return depth;
}
int backtrace(void)
{
unsigned long *addr;
unsigned long *ra;
unsigned long *sp;
int size = 8, depth;
size_t ra_offset;
size_t stack_size;
// get current $a and $sp
__asm__ __volatile__ (
" move %0, $ra\n"
" move %1, $sp\n"
: "=r"(ra), "=r"(sp)
);
// scanning to find the size of hte current stack frame
stack_size = 0;
for ( addr = (unsigned long *)backtrace; !stack_size; ++addr)
{
if ((*addr & INST_OP_MASK ) == ADDUI_SP_INST )
stack_size = abs((short)(*addr&INST_OFFSET_MASK));
else if ( *addr == JR_RA_INST )
break;
}
sp = (unsigned long *) (( unsigned long )sp + stack_size);
// repeat backwar scanning
for ( depth = 0; depth < size && ((( unsigned long )ra > KSEG0BASE) && (( unsigned long )ra < KSEG1BASE)); ++ depth )
{
rt_kprintf("RA[%2d] : [0x%08x]\n", depth, ra);
{
extern void rt_thread_exit(void);
if ((uint32_t)ra == (uint32_t)(rt_thread_exit))
return depth;
}
ra_offset = 0;
stack_size = 0;
for ( addr = ra; !ra_offset || !stack_size; -- addr )
{
switch( *addr & INST_OP_MASK)
{
case ADDUI_SP_INST:
stack_size = abs((short)(*addr&INST_OFFSET_MASK));
break;
case SW_RA_INST:
ra_offset = (short)(*addr&INST_OFFSET_MASK);
break;
case 0x3c1c0000:
return depth +1;
default:
break;
}
}
ra = *(unsigned long **)((unsigned long)sp + ra_offset);
sp = (unsigned long*) ((unsigned long)sp+stack_size );
}
return depth;
}
#include <rtthread.h>
extern long list_thread(void);
void assert_hook(const char* ex, const char* func, rt_size_t line)
{
backtrace();
list_thread();
rt_kprintf("(%s) assertion failed at function:%s, line number:%d \n", ex, func, line);
}
int backtrace_init(void)
{
#ifdef RT_DEBUG
rt_assert_set_hook(assert_hook);
#endif
return 0;
}
INIT_DEVICE_EXPORT(backtrace_init);
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-9-19 Urey the first version
*/
#ifndef __ASSEMBLY__
# define __ASSEMBLY__
#endif
#include "../common/mips.h"
.text
.set noreorder
.globl cache_init
.ent cache_init
cache_init:
.set noreorder
mtc0 zero, CP0_TAGLO
move t0, a0 // cache total size
move t1, a1 // cache line size
li t2, 0x80000000
addu t3, t0, t2
_cache_init_loop:
cache 8, 0(t2) // icache_index_store_tag
cache 9, 0(t2) // dcache_index_store_tag
addu t2, t1
bne t2, t3, _cache_init_loop
nop
mfc0 t0, CP0_CONFIG
li t1, 0x7
not t1
and t0, t0, t1
or t0, 0x3 // cacheable, noncoherent, write-back, write allocate
mtc0 t0, CP0_CONFIG
jr ra
nop
.set reorder
.end cache_init
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-9-7 Urey the first version
*/
#ifndef __ASSEMBLY__
# define __ASSEMBLY__
#endif
#include "../common/mips.h"
.global rt_thread_switch_interrupt_flag
.global rt_interrupt_from_thread
.global rt_interrupt_to_thread
.section .text,"ax",@progbits
.set noreorder
.set noat
.globl rt_hw_interrupt_disable
rt_hw_interrupt_disable:
mfc0 v0,CP0_STATUS
srl v1,v0,1
sll v1,v1,1
# and v1,v0,0xfffffffe
mtc0 v1,CP0_STATUS
jr ra
nop
LEAF(rt_hw_interrupt_enable)
mtc0 a0,CP0_STATUS
jr ra
nop
END(rt_hw_interrupt_enable)
/*
* void rt_hw_context_switch_to(rt_uint32 to)/*
* a0 --> to
*/
LEAF(rt_hw_context_switch_to)
lw sp , 0(a0) /* switch to the new stack */
RESTORE_CONTEXT
END(rt_hw_context_switch_to)
/*
* void rt_hw_context_switch(rt_uint32 from, rt_uint32 to)
* a0 --> from
* a1 --> to
*/
LEAF(rt_hw_context_switch)
mtc0 ra, CP0_EPC
SAVE_CONTEXT
sw sp, 0(a0) /* store sp in preempted tasks TCB */
lw sp, 0(a1) /* get new task stack pointer */
RESTORE_CONTEXT
END(rt_hw_context_switch)
LEAF(rt_hw_context_switch_interrupt)
la t0, rt_thread_switch_interrupt_flag
lw t1, 0(t0)
nop
bnez t1, _reswitch
nop
li t1, 0x01 /* set rt_thread_switch_interrupt_flag to 1 */
sw t1, 0(t0)
la t0, rt_interrupt_from_thread /* set rt_interrupt_from_thread */
sw a0, 0(t0)
_reswitch:
la t0, rt_interrupt_to_thread /* set rt_interrupt_to_thread */
sw a1, 0(t0)
jr ra
nop
END(rt_hw_context_switch_interrupt)
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-9-7 Urey the first version
*/
#include <rtthread.h>
#include <rthw.h>
#include <stdio.h>
#include "mips.h"
#include "mips_excpt.h"
extern int backtrace(void);
int backtrace_ctx(mips_reg_ctx *ctx);
extern long list_thread(void);
const static char *regstr[] = {
"$0 zero", "$1 at", "$2 v0", "$3 v1", "$4 a0", "$5 a1", "$6 a2", "$7 a3",
"$8 t0", "$9 t1", "$10 t2", "$11 t3", "$12 t4", "$13 t5", "$14 t6", "$15 t7",
"$16 s0", "$17 s1", "$18 s2", "$19 s3", "$20 s4", "$21 s5", "$22 s6", "$23 s7",
"$24 t8", "$25 t9", "$26 k0", "$27 k1", "$28 gp", "$29 sp", "$30 fp", "$31 ra"
};
static const char *cause_strings[32] =
{
/* 0 */ "Int",
/* 1 */ "TLB Mods",
/* 2 */ "TLB Load",
/* 3 */ "TLB Store",
/* 4 */ "Address Load",
/* 5 */ "Address Store",
/* 6 */ "Instruction Bus Error",
/* 7 */ "Data Bus Error",
/* 8 */ "Syscall",
/* 9 */ "Breakpoint",
/* 10 */ "Reserved Instruction",
/* 11 */ "Coprocessor Unuseable",
/* 12 */ "Overflow",
/* 13 */ "Trap",
/* 14 */ "Instruction Virtual Coherency Error",
/* 15 */ "FP Exception",
/* 16 */ "Reserved 16",
/* 17 */ "Reserved 17",
/* 18 */ "Reserved 18",
/* 19 */ "Reserved 19",
/* 20 */ "Reserved 20",
/* 21 */ "Reserved 21",
/* 22 */ "Reserved 22",
/* 23 */ "Watch",
/* 24 */ "Reserved 24",
/* 25 */ "Reserved 25",
/* 26 */ "Reserved 26",
/* 27 */ "Reserved 27",
/* 28 */ "Reserved 28",
/* 29 */ "Reserved 29",
/* 30 */ "Reserved 30",
/* 31 */ "Data Virtual Coherency Error"
};
/**
* exception handle table
*/
exception_func_t sys_exception_handlers[32];
static void mod_handler(mips_reg_ctx *regs)
{
rt_kprintf("tlb modification exception\n");
rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
rt_kprintf(" cause: 0x%08x\n", read_c0_cause());
list_thread();
printf("-----------------------------------------------------\n");
printf("BACKTRACE:\n");
backtrace();
printf("-----------------------------------------------------\n");
rt_hw_cpu_shutdown();
}
static void tlbl_handler(mips_reg_ctx *regs)
{
rt_kprintf("tlb exception: load\n");
rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
rt_kprintf(" cause: 0x%08x\n", read_c0_cause());
list_thread();
printf("-----------------------------------------------------\n");
printf("BACKTRACE:\n");
backtrace();
printf("-----------------------------------------------------\n");
rt_hw_cpu_shutdown();
}
static void tlbs_handler(mips_reg_ctx *regs)
{
rt_kprintf("tlb exception: store\n");
rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
rt_kprintf(" cause: 0x%08x\n", read_c0_cause());
list_thread();
printf("-----------------------------------------------------\n");
printf("BACKTRACE:\n");
backtrace();
printf("-----------------------------------------------------\n");
rt_hw_cpu_shutdown();
}
static void adel_handler(mips_reg_ctx *regs)
{
rt_kprintf("address error exception: load\n");
rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
rt_kprintf(" cause: 0x%08x\n", read_c0_cause());
list_thread();
rt_kprintf("current thread: %.*s\n", RT_NAME_MAX, rt_thread_self()->name);
printf("-----------------------------------------------------\n");
printf("BACKTRACE:\n");
backtrace();
printf("-----------------------------------------------------\n");
rt_hw_cpu_shutdown();
}
static void ades_handler(mips_reg_ctx *regs)
{
rt_kprintf("address error exception: store\n");
rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
rt_kprintf(" cause: 0x%08x\n", read_c0_cause());
list_thread();
printf("-----------------------------------------------------\n");
printf("BACKTRACE:\n");
backtrace();
printf("-----------------------------------------------------\n");
rt_hw_cpu_shutdown();
}
static void fpe_handler(mips_reg_ctx *regs)
{
rt_kprintf("floating point exception\n");
rt_kprintf("exception happens, epc: 0x%08x\n", read_c0_epc());
rt_kprintf(" cause: 0x%08x\n", read_c0_cause());
list_thread();
printf("-----------------------------------------------------\n");
printf("BACKTRACE:\n");
backtrace();
printf("-----------------------------------------------------\n");
rt_hw_cpu_shutdown();
}
static void unhandled_exception_handle(mips_reg_ctx *regs)
{
int i;
unsigned int cause = read_c0_cause();
unsigned int exc = (cause >> 2) & 0x1f;
rt_kprintf("exception happens, epc: 0x%08x\n", regs->CP0EPC);
rt_kprintf(" cause: 0x%08x\n", regs->CP0Cause);
for (i = 0; i < 32; i++)
{
if (i % 4 == 0)
printf("\n");
printf("%8s %08x ", regstr[i], regs->regs[i]);
}
printf("\n");
list_thread();
rt_hw_cpu_shutdown();
}
static void install_default_exception_handler(void)
{
int i;
for (i=0; i<sizeof(sys_exception_handlers)/sizeof(sys_exception_handlers[0]); i++)
sys_exception_handlers[i] = (exception_func_t)unhandled_exception_handle;
sys_exception_handlers[EX_MOD] = mod_handler;
sys_exception_handlers[EX_TLBL] = tlbl_handler;
sys_exception_handlers[EX_TLBS] = tlbs_handler;
sys_exception_handlers[EX_ADEL] = adel_handler;
sys_exception_handlers[EX_ADES] = ades_handler;
sys_exception_handlers[EX_FPE] = fpe_handler;
}
int rt_hw_exception_init(void)
{
/* install the default exception handler */
install_default_exception_handler();
return RT_EOK;
}
/**
* setup the exception handle
*/
exception_func_t rt_set_except_vector(int n, exception_func_t func)
{
exception_func_t old_handler = sys_exception_handlers[n];
if ((n == 0) || (n > 32) || (!func))
{
return 0;
}
sys_exception_handlers[n] = func;
return old_handler;
}
void mips_exception_handler(mips_reg_ctx *ctx)
{
static int read_epc_count = 0;
static int epc_save = 0;
int i;
unsigned int epc;
//如果 read_epc_count>0 说明 c_except_handler 在读 epc 时重入了,即读 epc 导致了一个新的异常
if (read_epc_count > 0)
{
printf("ERROR: read epc fail when except handle\n");
epc = epc_save;
read_epc_count = 0;
}
else
{
read_epc_count++;
epc_save = 0;
epc = read_c0_epc();
epc_save = epc;
if (epc != 0)
{
printf("-----------------------------------------------------\n");
for (i = 0; i < 4; i++)
{
printf("%08x:\t%08x\n",
(epc - 4 * 4 + i * 4),
*(unsigned int *) ((epc - 4 * 4 + i * 4) | 0xa0000000));
}
for (i = 0; i < 4; i++)
{
printf("%08x:\t%08x\n",
(epc + i * 4),
*(unsigned int *) ((epc + i * 4) | 0xa0000000));
}
printf("-----------------------------------------------------\n");
}
read_epc_count--;
}
printf("-----------------------------------------------------\n");
unsigned int cause = read_c0_cause();
unsigned int exc = (cause >> 2) & 0x1f;
printf("CAUSE=%08x --> %s\n", cause, cause_strings[exc]);
printf("EPC=%08x\n", epc);
for (i = 0; i < 32; i++)
{
if ((i != 0) && (i % 4 == 0))
printf("\n");
printf("%8s %08x ", regstr[i], ctx->regs[i]);
}
printf("\n-----------------------------------------------------\n");
printf("%s: \t %8x\n","CP0Status ", ctx->CP0Status);
printf("%s: \t %8x\n","CP0DataHI ", ctx->CP0DataHI);
printf("%s: \t %8x\n","CP0DataLO ", ctx->CP0DataLO);
printf("%s: \t %8x\n","CP0BadVAddr", ctx->CP0BadVAddr);
printf("%s: \t %8x\n","CP0Cause ", ctx->CP0Cause);
printf("%s: \t %8x\n","CP0EPC ", ctx->CP0EPC);
printf("-----------------------------------------------------\n");
#if 0
switch (exc)
{
case EX_MOD:
/* TLB modified */
break;
case EX_TLBL: /* TLB exc(load or ifetch) */
case EX_TLBS: /* TLB exception (store) */
break;
case EX_ADEL: /* Address err(load or ifetch) */
case EX_ADES: /* Address error (store) */
break;
case EX_IBE: /* Instruction Bus Error */
case EX_DBE: /* Data Bus Error */
break;
case EX_SYS: /* Syscall */
break;
case EX_BP: /* Breakpoint */
case EX_TR: /* Trap instruction */
break;
case EX_RI: /* Reserved instruction */
break;
case EX_FPE: /* floating point exception */
break;
case EX_CPU: /* CoProcessor Unusable */
break;
case EX_OV: /* OVerflow */
case EX_C2E: /* COP2 exception */
case EX_MDMX: /* MDMX exception */
case EX_WATCH: /* Watch exception */
case EX_MCHECK: /* Machine check exception */
case EX_CacheErr: /* Cache error caused re-entry */
/* to Debug Mode */
break;
default:
rt_kprintf("Unknow exception: %d\r\n", exc);
break;
}
#else
sys_exception_handlers[exc](ctx);
#endif
rt_hw_cpu_shutdown();
}
void mips_cache_error_handler (unsigned int Addr)
{
rt_kprintf("cache exception happens, epc: 0x%08x\n", read_c0_epc());
list_thread();
rt_hw_cpu_shutdown();
}
void mips_tlb_refill_handler(void)
{
rt_kprintf("tlb-miss happens, epc: 0x%08x\n", read_c0_epc());
rt_kprintf(" cause: 0x%08x\n", read_c0_cause());
list_thread();
rt_kprintf("current thread: %s\n", rt_thread_self()->name);
rt_hw_cpu_shutdown();
}
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-9-7 Urey the first version
*/
#ifndef __ASSEMBLY__
# define __ASSEMBLY__
#endif
#include "../common/mips.h"
#define _EXC_STKSIZE 20*1024
;/*********************************************************************************************************
; PTE BASE 相关定义
;*********************************************************************************************************/
#define PTE_BASE_OFFSET 23
#define PTE_BASE_SIZE 9
#define MIPS32_BADVPN2_SHIFT 2
.section ".text", "ax"
.set noreorder
LEAF(mips_tlb_refill_handlerx)
.set push
.set noat
.set noreorder
.set volatile
;/*
; * K1 = CP0_CTXT
; * K0 = K1
; */
mfc0 k1 , CP0_CONTEXT ;/* K1 等于 Context 寄存器 */
ehb
move k0 , k1 ;/* K0 等于 Context 寄存器 */
;/*
; * K1 <<= PTE_BASE_SIZE
; * K1 >>= PTE_BASE_SIZE
; * K1 >>= 4
; * K1 >>= MIPS32_BADVPN2_SHIFT
; * K1 <<= 3
; */
sll k1 , PTE_BASE_SIZE
srl k1 , (PTE_BASE_SIZE + 4 + MIPS32_BADVPN2_SHIFT) ;/* K1 为 BAD VPN2 */
sll k1 , (4 - 1)
;/*
; * K0 >>= PTE_BASE_OFFSET
; * K0 <<= PTE_BASE_OFFSET
; */
srl k0 , PTE_BASE_OFFSET
sll k0 , PTE_BASE_OFFSET ;/* K0 为 PTE BASE */
;/*
; * K1 = K1 | K0
; */
or k1 , k1 , k0 ;/* 合成 */
;/*
; * K0 = *K1
; * K1 = *(K1 + 4)
; */
lw k0 , 0(k1)
lw k1 , 4(k1)
;/*
; * CP0_TLBLO0 = K0
; * CP0_TLBLO1 = K1
; */
mtc0 k0 , CP0_ENTRYLO0 ;/* EntryLo0 */
mtc0 k1 , CP0_ENTRYLO1 ;/* EntryLo1 */
ehb
tlbwr ;/* TLB 随机替换 */
eret ;/* 异常返回 */
.set pop
END(mips_tlb_refill_handlerx)
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-9-9 Urey the first version
*/
#ifndef __ASSEMBLY__
# define __ASSEMBLY__
#endif
#ifdef __mips_hard_float
.module hardfloat
.module doublefloat
.set nomips16
#include "../common/mips.h"
#undef fp
.global mips_vfp32_init
LEAF(mips_vfp32_init)
mfc0 t0, CP0_STATUS
or t0 , M_StatusCU1
mtc0 t0, CP0_STATUS
jr ra
nop
END(mips_vfp32_init)
#
# FUNCTION: _fpctx_save
#
# DESCRIPTION: save floating point registers to memory starting at a0
#
# RETURNS: int
# 0: No context saved
# CTX_*: Type of context stored
#
.global _fpctx_save
LEAF(_fpctx_save)
sw zero, LINKCTX_NEXT(a0)
mfc0 t0, CP0_STATUS
li t1, M_StatusCU1
and t1, t0, t1
bnez t1, 1f
# FP not enabled, bail out
move v0, zero
jr ra
1: # Save FP32 base
li t1, ST0_FR
and t0, t0, t1
cfc1 t2, $31
sw t2, FP32CTX_CSR(a0)
sdc1 $f0, FP32CTX_0(a0)
sdc1 $f2, FP32CTX_2(a0)
sdc1 $f4, FP32CTX_4(a0)
sdc1 $f6, FP32CTX_6(a0)
sdc1 $f8, FP32CTX_8(a0)
sdc1 $f10, FP32CTX_10(a0)
sdc1 $f12, FP32CTX_12(a0)
sdc1 $f14, FP32CTX_14(a0)
sdc1 $f16, FP32CTX_16(a0)
sdc1 $f18, FP32CTX_18(a0)
sdc1 $f20, FP32CTX_20(a0)
sdc1 $f22, FP32CTX_22(a0)
sdc1 $f24, FP32CTX_24(a0)
sdc1 $f26, FP32CTX_26(a0)
sdc1 $f28, FP32CTX_28(a0)
sdc1 $f30, FP32CTX_30(a0)
bnez t0, 2f
li v0, LINKCTX_TYPE_FP32
sw v0, LINKCTX_ID(a0)
jr ra
2: # Save FP64 extra
.set push
.set fp=64
sdc1 $f1, FP64CTX_1(a0)
sdc1 $f3, FP64CTX_3(a0)
sdc1 $f5, FP64CTX_5(a0)
sdc1 $f7, FP64CTX_7(a0)
sdc1 $f9, FP64CTX_9(a0)
sdc1 $f11, FP64CTX_11(a0)
sdc1 $f13, FP64CTX_13(a0)
sdc1 $f15, FP64CTX_15(a0)
sdc1 $f17, FP64CTX_17(a0)
sdc1 $f19, FP64CTX_19(a0)
sdc1 $f21, FP64CTX_21(a0)
sdc1 $f23, FP64CTX_23(a0)
sdc1 $f25, FP64CTX_25(a0)
sdc1 $f27, FP64CTX_27(a0)
sdc1 $f29, FP64CTX_29(a0)
sdc1 $f31, FP64CTX_31(a0)
.set pop
li v0, LINKCTX_TYPE_FP64
sw v0, LINKCTX_ID(a0)
jr ra
END(_fpctx_save)
#
# FUNCTION: _fpctx_load
#
# DESCRIPTION: load floating point registers from context chain starting at a0
#
# RETURNS: int
# 0: Unrecognised context
# CTX_*: Type of context restored
#
.global _fpctx_load
LEAF(_fpctx_load)
lw v0, LINKCTX_ID(a0)
# Detect type
li t0, LINKCTX_TYPE_FP64
li t1, LINKCTX_TYPE_FP32
li t2, M_StatusCU1
beq v0, t0, 0f
beq v0, t1, 1f
# Don't recognise this context, fail
move v0, zero
jr ra
0: # FP64 context
# Enable CU1
di t3
ehb
or t3, t3, t2
mtc0 t3, CP0_STATUS
ehb
# Load FP64 extra
.set push
.set fp=64
ldc1 $f1, FP64CTX_1(a0)
ldc1 $f3, FP64CTX_3(a0)
ldc1 $f5, FP64CTX_5(a0)
ldc1 $f7, FP64CTX_7(a0)
ldc1 $f9, FP64CTX_9(a0)
ldc1 $f11, FP64CTX_11(a0)
ldc1 $f13, FP64CTX_13(a0)
ldc1 $f15, FP64CTX_15(a0)
ldc1 $f17, FP64CTX_17(a0)
ldc1 $f19, FP64CTX_19(a0)
ldc1 $f21, FP64CTX_21(a0)
ldc1 $f23, FP64CTX_23(a0)
ldc1 $f25, FP64CTX_25(a0)
ldc1 $f27, FP64CTX_27(a0)
ldc1 $f29, FP64CTX_29(a0)
ldc1 $f31, FP64CTX_31(a0)
.set pop
1: # FP32 context
# Enable CU1
di t3
ehb
or t3, t3, t2
mtc0 t3, CP0_STATUS
ehb
# Load FP32 base
lw t1, FP32CTX_CSR(a0)
ctc1 t1, $31
ldc1 $f0, FP32CTX_0(a0)
ldc1 $f2, FP32CTX_2(a0)
ldc1 $f4, FP32CTX_4(a0)
ldc1 $f6, FP32CTX_6(a0)
ldc1 $f8, FP32CTX_8(a0)
ldc1 $f10, FP32CTX_10(a0)
ldc1 $f12, FP32CTX_12(a0)
ldc1 $f14, FP32CTX_14(a0)
ldc1 $f16, FP32CTX_16(a0)
ldc1 $f18, FP32CTX_18(a0)
ldc1 $f20, FP32CTX_20(a0)
ldc1 $f22, FP32CTX_22(a0)
ldc1 $f24, FP32CTX_24(a0)
ldc1 $f26, FP32CTX_26(a0)
ldc1 $f28, FP32CTX_28(a0)
ldc1 $f30, FP32CTX_30(a0)
# Return CTX_FP32/64
jr ra
END(_fpctx_load)
#endif
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-9-8 Urey the first version
*/
#include <rtthread.h>
#include "../common/mips.h"
register U32 $GP __asm__ ("$28");
rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, rt_uint8_t *stack_addr, void *texit)
{
static rt_uint32_t wSR=0;
static rt_uint32_t wGP;
mips_reg_ctx *regCtx;
mips_arg_ctx *argCtx;
rt_uint32_t i;
if (wSR == 0)
{
wSR = read_c0_status();
wSR &= 0xfffffffe;
wSR |= 0x0403;
wGP = $GP;
}
if ((rt_uint32_t) stack_addr & 0x7)
{
stack_addr = (rt_uint8_t *)((rt_uint32_t)stack_addr - 4);
}
argCtx = (mips_arg_ctx *)((rt_uint32_t)stack_addr - sizeof(mips_arg_ctx));
regCtx = (mips_reg_ctx *)((rt_uint32_t)stack_addr - sizeof(mips_arg_ctx) - sizeof(mips_reg_ctx));
for (i = 0; i < 4; ++i)
{
argCtx->args[i] = i;
}
//保存通用寄存器
for (i = 0; i < 32; ++i)
{
regCtx->regs[i] = i;
}
regCtx->regs[REG_SP] = (rt_uint32_t)stack_addr;
regCtx->regs[REG_A0] = (rt_uint32_t)parameter;
regCtx->regs[REG_GP] = (rt_uint32_t)wGP;
regCtx->regs[REG_FP] = (rt_uint32_t)0x0;
regCtx->regs[REG_RA] = (rt_uint32_t)texit;
regCtx->CP0DataLO = 0x00;
regCtx->CP0DataHI = 0x00;
regCtx->CP0Cause = read_c0_cause();
regCtx->CP0Status = wSR;
regCtx->CP0EPC = (rt_uint32_t)tentry;
regCtx->CP0BadVAddr= 0x00;
return (rt_uint8_t *)(regCtx);
}
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2016-9-7 Urey the first version
*/
#ifndef __ASSEMBLY__
# define __ASSEMBLY__
#endif
#include "../common/mips.h"
#define IRQ_STACK_SIZE 0x2000
#define EXC_STACK_SIZE 0x2000
.section ".bss"
ALIGN(4)
irq_stack_low:
.space IRQ_STACK_SIZE
irq_stack_top:
.space 8
ALIGN(4)
exc_stack_low:
.space EXC_STACK_SIZE
exc_stack_top:
.space 8
#define SYSTEM_STACK 0x80003fe8
;/*********************************************************************************************************
; 入口
;*********************************************************************************************************/
.global rtthread_startup
.global mips_vfp32_init
.global _start
.section ".start", "ax"
.set noreorder
_start:
.set noreorder
la ra, _start
li t1, 0x00800000
mtc0 t1, CP0_CAUSE
/* init cp0 registers. */
li t0, 0x1000FC00 /* BEV = 0 and mask all interrupt */
mtc0 t0, CP0_STATUS
#ifdef __mips_hard_float
jal mips_vfp32_init
nop
#endif
/* setup stack pointer */
li sp, SYSTEM_STACK
la gp, _gp
_cache_init:
/* init caches, assumes a 4way * 128set * 32byte I/D cache */
mtc0 zero, CP0_TAGLO /* TAGLO reg */
mtc0 zero, CP0_TAGHI /* TAGHI reg */
li t0, 3 /* enable cache for kseg0 accesses */
mtc0 t0, CP0_CONFIG /* CONFIG reg */
la t0, 0x80000000 /* an idx op should use an unmappable address */
ori t1, t0, 0x4000 /* 16kB cache */
_cache_loop:
cache 0x8, 0(t0) /* index store icache tag */
cache 0x9, 0(t0) /* index store dcache tag */
bne t0, t1, _cache_loop
addiu t0, t0, 0x20 /* 32 bytes per cache line */
nop
/* invalidate BTB */
mfc0 t0, CP0_CONFIG
nop
ori t0, 2
mtc0 t0, CP0_CONFIG
nop
/* jump to RT-Thread RTOS */
jal rtthread_startup
nop
/* restart, never die */
j _start
nop
.set reorder
;/*********************************************************************************************************
; 异常向量表
;*********************************************************************************************************/
/* 0x0 - TLB refill handler */
.section .vectors.1, "ax", %progbits
j mips_tlb_refill_entry
nop
/* 0x100 - Cache error handler */
.section .vectors.2, "ax", %progbits
j mips_cache_error_entry
nop
/* 0x180 - Exception/Interrupt handler */
.section .vectors.3, "ax", %progbits
j mips_exception_entry
nop
/* 0x200 - Special Exception Interrupt handler (when IV is set in CP0_CAUSE) */
.section .vectors.4, "ax", %progbits
j mips_interrupt_entry
nop
.section .vectors, "ax", %progbits
.global mips_exception_handler
// .global mips_syscall
LEAF(mips_exception_entry)
.set push
.set noat
.set noreorder
.set volatile
mfc0 k0, C0_CAUSE
andi k0, k0, 0x7c
beq zero, k0, except_do_intr
nop
andi k0,(0x08 << 2)
beq zero,k0,except_do
nop
except_do_intr:
la k0,mips_interrupt_entry
jr k0
nop
except_do_syscall:
// la k0,mips_syscall
// jr k0
nop
except_do:
//save sp
move k0,sp
//la sp, exc_stack_top
subu sp, sp, CONTEXT_SIZE
//save context
sw $0, (4*0)(sp);
sw $1, (4*1)(sp);
sw $2, (4*2)(sp);
sw $3, (4*3)(sp);
sw $4, (4*4)(sp);
sw $5, (4*5)(sp);
sw $6, (4*6)(sp);
sw $7, (4*7)(sp);
sw $8, (4*8)(sp);
sw $9, (4*9)(sp);
sw $10, (4*10)(sp);
sw $11, (4*11)(sp);
sw $12, (4*12)(sp);
sw $13, (4*13)(sp);
sw $14, (4*14)(sp);
sw $15, (4*15)(sp);
sw $16, (4*16)(sp);
sw $17, (4*17)(sp);
sw $18, (4*18)(sp);
sw $19, (4*19)(sp);
sw $20, (4*20)(sp);
sw $21, (4*21)(sp);
sw $22, (4*22)(sp);
sw $23, (4*23)(sp);
sw $24, (4*24)(sp);
sw $25, (4*25)(sp);
sw $26, (4*26)(sp);
sw $27, (4*27)(sp);
sw $28, (4*28)(sp);
sw k0, (4*29)(sp); //old sp
sw $30, (4*30)(sp);
sw $31, (4*31)(sp);
/* STATUS CAUSE EPC.... */
mfc0 $2, CP0_STATUS
sw $2, STK_OFFSET_SR(sp)
mfc0 $2, CP0_CAUSE
sw $2, STK_OFFSET_CAUSE(sp)
mfc0 $2, CP0_BADVADDR
sw $2, STK_OFFSET_BADVADDR(sp)
MFC0 $2, CP0_EPC
sw $2, STK_OFFSET_EPC(sp)
mfhi $2
sw $2, STK_OFFSET_HI(sp)
mflo $2
sw $2, STK_OFFSET_LO(sp)
move a0, sp
la k0, mips_exception_handler
j k0
nop
//
.set pop
END(mips_exception_entry)
.global mips_tlb_refill_handler
LEAF(mips_tlb_refill_entry)
.set push
.set noat
.set noreorder
.set volatile
la k0,mips_tlb_refill_handler
jr k0
nop
eret
nop
.set pop
END(mips_tlb_refill_entry)
.global mips_cache_error_handler
LEAF(mips_cache_error_entry)
.set push
.set noat
.set noreorder
.set volatile
la k0,mips_cache_error_handler
jr k0
nop
eret
nop
.set pop
END(mips_cache_error_entry)
.global rt_interrupt_dispatch
.global rt_interrupt_enter
.global rt_interrupt_leave
LEAF(mips_interrupt_entry)
.set push
.set noat
.set noreorder
.set volatile
//mfc0 k0,CP0_EPC
SAVE_CONTEXT
mfc0 t0, CP0_CAUSE
mfc0 t1, CP0_STATUS
and t0, t1
andi t0, 0xff00
beqz t0, spurious_interrupt
nop
/* let k0 keep the current context sp */
move k0, sp
/* switch to kernel stack */
la sp, irq_stack_top
jal rt_interrupt_enter
nop
jal rt_interrupt_dispatch
nop
jal rt_interrupt_leave
nop
/* switch sp back to thread's context */
move sp, k0
/*
* if rt_thread_switch_interrupt_flag set, jump to
* rt_hw_context_switch_interrupt_do and don't return
*/
la k0, rt_thread_switch_interrupt_flag
lw k1, 0(k0)
beqz k1, spurious_interrupt
nop
sw zero, 0(k0) /* clear flag */
nop
/*
* switch to the new thread
*/
la k0, rt_interrupt_from_thread
lw k1, 0(k0)
nop
sw sp, 0(k1) /* store sp in preempted tasks's TCB */
la k0, rt_interrupt_to_thread
lw k1, 0(k0)
nop
lw sp, 0(k1) /* get new task's stack pointer */
j spurious_interrupt
nop
spurious_interrupt:
RESTORE_CONTEXT
.set pop
END(mips_interrupt_entry)
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2015-11-19 Urey the first version
*/
#ifndef __X1000_H__
#define __X1000_H__
#include "../common/mips.h"
#ifndef __ASSEMBLY__
#define cache_unroll(base,op) \
__asm__ __volatile__(" \
.set noreorder; \
.set mips3; \
cache %1, (%0); \
.set mips0; \
.set reorder" \
: \
: "r" (base), \
"i" (op));
/* cpu pipeline flush */
static inline void jz_sync(void)
{
__asm__ volatile ("sync");
}
static inline void writeb(u8 value, u32 address)
{
*((volatile u8 *) address) = value;
}
static inline void writew( u16 value, u32 address)
{
*((volatile u16 *) address) = value;
}
static inline void writel(u32 value, u32 address)
{
*((volatile u32 *) address) = value;
}
static inline u8 readb(u32 address)
{
return *((volatile u8 *)address);
}
static inline u16 readw(u32 address)
{
return *((volatile u16 *)address);
}
static inline u32 readl(u32 address)
{
return *((volatile u32 *)address);
}
static inline void jz_writeb(u32 address, u8 value)
{
*((volatile u8 *)address) = value;
}
static inline void jz_writew(u32 address, u16 value)
{
*((volatile u16 *)address) = value;
}
static inline void jz_writel(u32 address, u32 value)
{
*((volatile u32 *)address) = value;
}
static inline u8 jz_readb(u32 address)
{
return *((volatile u8 *)address);
}
static inline u16 jz_readw(u32 address)
{
return *((volatile u16 *)address);
}
static inline u32 jz_readl(u32 address)
{
return *((volatile u32 *)address);
}
#define BIT(n) (0x01u << (n))
#define BIT0 (0x01u << 0)
#define BIT1 (0x01u << 1)
#define BIT2 (0x01u << 2)
#define BIT3 (0x01u << 3)
#define BIT4 (0x01u << 4)
#define BIT5 (0x01u << 5)
#define BIT6 (0x01u << 6)
#define BIT7 (0x01u << 7)
#define BIT8 (0x01u << 8)
#define BIT9 (0x01u << 9)
#define BIT10 (0x01u << 10)
#define BIT11 (0x01u << 11)
#define BIT12 (0x01u << 12)
#define BIT13 (0x01u << 13)
#define BIT14 (0x01u << 14)
#define BIT15 (0x01u << 15)
#define BIT16 (0x01u << 16)
#define BIT17 (0x01u << 17)
#define BIT18 (0x01u << 18)
#define BIT19 (0x01u << 19)
#define BIT20 (0x01u << 20)
#define BIT21 (0x01u << 21)
#define BIT22 (0x01u << 22)
#define BIT23 (0x01u << 23)
#define BIT24 (0x01u << 24)
#define BIT25 (0x01u << 25)
#define BIT26 (0x01u << 26)
#define BIT27 (0x01u << 27)
#define BIT28 (0x01u << 28)
#define BIT29 (0x01u << 29)
#define BIT30 (0x01u << 30)
#define BIT31 (0x01u << 31)
/* Generate the bit field mask from msb to lsb */
#define BITS_H2L(msb, lsb) ((0xFFFFFFFF >> (32-((msb)-(lsb)+1))) << (lsb))
/* Get the bit field value from the data which is read from the register */
#define get_bf_value(data, lsb, mask) (((data) & (mask)) >> (lsb))
#endif /* !ASSEMBLY */
//----------------------------------------------------------------------
// Register Definitions
//
/* AHB0 BUS Devices Base */
#define HARB0_BASE 0xB3000000
#define EMC_BASE 0xB3010000
#define DDRC_BASE 0xB3020000
#define MDMAC_BASE 0xB3030000
#define LCD_BASE 0xB3050000
#define TVE_BASE 0xB3050000
#define SLCD_BASE 0xB3050000
#define CIM_BASE 0xB3060000
#define IPU_BASE 0xB3080000
/* AHB1 BUS Devices Base */
#define HARB1_BASE 0xB3200000
#define DMAGP0_BASE 0xB3210000
#define DMAGP1_BASE 0xB3220000
#define DMAGP2_BASE 0xB3230000
#define MC_BASE 0xB3250000
#define ME_BASE 0xB3260000
#define DEBLK_BASE 0xB3270000
#define IDCT_BASE 0xB3280000
#define CABAC_BASE 0xB3290000
#define TCSM0_BASE 0xB32B0000
#define TCSM1_BASE 0xB32C0000
#define SRAM_BASE 0xB32D0000
/* AHB2 BUS Devices Base */
#define HARB2_BASE 0xB3400000
#define NEMC_BASE 0xB3410000
#define DMAC_BASE 0xB3420000
#define UHC_BASE 0xB3430000
//#define UDC_BASE 0xB3440000
#define SFC_BASE 0xB3440000
#define GPS_BASE 0xB3480000
#define ETHC_BASE 0xB34B0000
#define BCH_BASE 0xB34D0000
#define MSC0_BASE 0xB3450000
#define MSC1_BASE 0xB3460000
#define MSC2_BASE 0xB3470000
#define OTG_BASE 0xb3500000
/* APB BUS Devices Base */
#define CPM_BASE 0xB0000000
#define INTC_BASE 0xB0001000
#define TCU_BASE 0xB0002000
#define WDT_BASE 0xB0002000
#define OST_BASE 0xB2000000 /* OS Timer */
#define RTC_BASE 0xB0003000
#define GPIO_BASE 0xB0010000
#define AIC_BASE 0xB0020000
#define DMIC_BASE 0xB0021000
#define ICDC_BASE 0xB0020000
#define UART0_BASE 0xB0030000
#define UART1_BASE 0xB0031000
#define UART2_BASE 0xB0032000
#define SCC_BASE 0xB0040000
#define SSI0_BASE 0xB0043000
#define SSI1_BASE 0xB0044000
#define SSI2_BASE 0xB0045000
#define I2C0_BASE 0xB0050000
#define I2C1_BASE 0xB0051000
#define I2C2_BASE 0xB0052000
#define PS2_BASE 0xB0060000
#define SADC_BASE 0xB0070000
#define OWI_BASE 0xB0072000
#define TSSI_BASE 0xB0073000
/* NAND CHIP Base Address*/
#define NEMC_CS1_IOBASE 0Xbb000000
#define NEMC_CS2_IOBASE 0Xba000000
#define NEMC_CS3_IOBASE 0Xb9000000
#define NEMC_CS4_IOBASE 0Xb8000000
#define NEMC_CS5_IOBASE 0Xb7000000
#define NEMC_CS6_IOBASE 0Xb6000000
/*********************************************************************************************************
** WDT
*********************************************************************************************************/
#define WDT_TDR (0x00)
#define WDT_TCER (0x04)
#define WDT_TCNT (0x08)
#define WDT_TCSR (0x0C)
#define REG_WDT_TDR REG16(WDT_BASE + WDT_TDR)
#define REG_WDT_TCER REG8(WDT_BASE + WDT_TCER)
#define REG_WDT_TCNT REG16(WDT_BASE + WDT_TCNT)
#define REG_WDT_TCSR REG16(WDT_BASE + WDT_TCSR)
#define WDT_TSCR_WDTSC (1 << 16)
#define WDT_TCSR_PRESCALE_1 (0 << 3)
#define WDT_TCSR_PRESCALE_4 (1 << 3)
#define WDT_TCSR_PRESCALE_16 (2 << 3)
#define WDT_TCSR_PRESCALE_64 (3 << 3)
#define WDT_TCSR_PRESCALE_256 (4 << 3)
#define WDT_TCSR_PRESCALE_1024 (5 << 3)
#define WDT_TCSR_EXT_EN (1 << 2)
#define WDT_TCSR_RTC_EN (1 << 1)
#define WDT_TCSR_PCK_EN (1 << 0)
#define WDT_TCER_TCEN (1 << 0)
/* RTC Reg */
#define RTC_RTCCR (0x00) /* rw, 32, 0x00000081 */
#define RTC_RTCSR (0x04) /* rw, 32, 0x???????? */
#define RTC_RTCSAR (0x08) /* rw, 32, 0x???????? */
#define RTC_RTCGR (0x0c) /* rw, 32, 0x0??????? */
#define RTC_HCR (0x20) /* rw, 32, 0x00000000 */
#define RTC_HWFCR (0x24) /* rw, 32, 0x0000???0 */
#define RTC_HRCR (0x28) /* rw, 32, 0x00000??0 */
#define RTC_HWCR (0x2c) /* rw, 32, 0x00000008 */
#define RTC_HWRSR (0x30) /* rw, 32, 0x00000000 */
#define RTC_HSPR (0x34) /* rw, 32, 0x???????? */
#define RTC_WENR (0x3c) /* rw, 32, 0x00000000 */
#define RTC_CKPCR (0x40) /* rw, 32, 0x00000010 */
#define RTC_OWIPCR (0x44) /* rw, 32, 0x00000010 */
#define RTC_PWRONCR (0x48) /* rw, 32, 0x???????? */
#define RTCCR_WRDY BIT(7)
#define WENR_WEN BIT(31)
#define RECOVERY_SIGNATURE (0x001a1a)
#define REBOOT_SIGNATURE (0x003535)
#define UNMSAK_SIGNATURE (0x7c0000)//do not use these bits
#include "x1000_cpm.h"
#include "x1000_intc.h"
#include "x1000_otg_dwc.h"
#include "x1000_aic.h"
#include "x1000_slcdc.h"
#endif /* _JZ_M150_H_ */
此差异已折叠。
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-02-03 Urey the first version
*/
#ifndef _X1000_CPM_H_
#define _X1000_CPM_H_
#define CPM_CPCCR (0x00)
#define CPM_CPCSR (0xd4)
#define CPM_DDRCDR (0x2c)
#define CPM_I2SCDR (0x60)
#define CPM_I2SCDR1 (0x70)
#define CPM_LPCDR (0x64)
#define CPM_MSC0CDR (0x68)
#define CPM_MSC1CDR (0xa4)
#define CPM_USBCDR (0x50)
#define CPM_MACCDR (0x54)
#define CPM_UHCCDR (0x6c)
#define CPM_SFCCDR (0x74)
#define CPM_CIMCDR (0x7c)
#define CPM_PCMCDR (0x84)
#define CPM_PCMCDR1 (0xe0)
#define CPM_MPHYC (0xe8)
#define CPM_INTR (0xb0)
#define CPM_INTRE (0xb4)
#define CPM_DRCG (0xd0)
#define CPM_CPSPPR (0x38)
#define CPM_CPPSR (0x34)
#define CPM_USBPCR (0x3c)
#define CPM_USBRDT (0x40)
#define CPM_USBVBFIL (0x44)
#define CPM_USBPCR1 (0x48)
#define CPM_CPAPCR (0x10)
#define CPM_CPMPCR (0x14)
#define CPM_LCR (0x04)
#define CPM_PSWC0ST (0x90)
#define CPM_PSWC1ST (0x94)
#define CPM_PSWC2ST (0x98)
#define CPM_PSWC3ST (0x9c)
#define CPM_CLKGR (0x20)
#define CPM_CLKGR0 (0x20)
#define CPM_MESTSEL (0xec)
#define CPM_SRBC (0xc4)
#define CPM_ERNG (0xd8)
#define CPM_RNG (0xdc)
#define CPM_SLBC (0xc8)
#define CPM_SLPC (0xcc)
#define CPM_OPCR (0x24)
#define CPM_RSR (0x08)
/*
* CPM registers common define
*/
/* Clock control register(CPCCR) */
#define CPCCR_SEL_SRC_LSB 30
#define CPCCR_SEL_SRC_MASK BITS_H2L(31, CPCCR_SEL_SRC_LSB)
#define CPCCR_SEL_CPLL_LSB 28
#define CPCCR_SEL_CPLL_MASK BITS_H2L(29, CPCCR_SEL_CPLL_LSB)
#define CPCCR_SEL_H0PLL_LSB 26
#define CPCCR_SEL_H0PLL_MASK BITS_H2L(27, CPCCR_SEL_H0PLL_LSB)
#define CPCCR_SEL_H2PLL_LSB 24
#define CPCCR_SEL_H2PLL_MASK BITS_H2L(25, CPCCR_SEL_H2PLL_LSB)
#define CPCCR_CE_CPU BIT22
#define CPCCR_CE_AHB0 BIT21
#define CPCCR_CE_AHB2 BIT20
#define CPCCR_CE (CPCCR_CE_CPU | CPCCR_CE_AHB0 | CPCCR_CE_AHB2)
#define CPCCR_PDIV_LSB 16
#define CPCCR_PDIV_MASK BITS_H2L(19, CPCCR_PDIV_LSB)
#define CPCCR_H2DIV_LSB 12
#define CPCCR_H2DIV_MASK BITS_H2L(15, CPCCR_H2DIV_LSB)
#define CPCCR_H0DIV_LSB 8
#define CPCCR_H0DIV_MASK BITS_H2L(11, CPCCR_H0DIV_LSB)
#define CPCCR_L2DIV_LSB 4
#define CPCCR_L2DIV_MASK BITS_H2L(7, CPCCR_L2DIV_LSB)
#define CPCCR_CDIV_LSB 0
#define CPCCR_CDIV_MASK BITS_H2L(3, CPCCR_CDIV_LSB)
#define CPM_SRC_SEL_APLL 1
#define CPM_PLL_SEL_SRC 1
#define CPM_PLL_SEL_MPLL 2
/* Clock Status register(CPCSR) */
#define CPCSR_SRC_MUX BIT31
#define CPCSR_CPU_MUX BIT30
#define CPCSR_AHB0_MUX BIT29
#define CPCSR_AHB2_MUX BIT28
#define CPCSR_DDR_MUX BIT27
#define CPCSR_H2DIV_BUSY BIT2
#define CPCSR_H0DIV_BUSY BIT1
#define CPCSR_CDIV_BUSY BIT0
#define CPCSR_DIV_BUSY (CPCSR_H2DIV_BUSY | CPCSR_H0DIV_BUSY | CPCSR_CDIV_BUSY)
/* DDR clock divider register(DDCDR) */
#define DDCDR_DCS_LSB 30
#define DDCDR_DCS_MASK BITS_H2L(31, DDCDR_DCS_LSB)
#define DDCDR_DCS_STOP (0 << DDCDR_DCS_LSB)
#define DDCDR_DCS_APLL (1 << DDCDR_DCS_LSB)
#define DDCDR_DCS_MPLL (2 << DDCDR_DCS_LSB)
#define DDCDR_CE_DDR BIT29
#define DDCDR_DDR_BUSY BIT28
#define DDCDR_DDR_STOP BIT27
#define DDCDR_GATE_EN BIT26
#define DDCDR_DDR_CHANGE_EN BIT25
#define DDCDR_DDR BIT24
#define DDCDR_DDRDIV_LSB 0
#define DDCDR_DDRDIV_MASK BITS_H2L(3, DDCDR_DDRDIV_LSB)
/*MACPHY clock divider Register (MACCDR)*/
#define MACCDR_MACPCS BIT31
#define MACCDR_CE_MAC BIT29
#define MACCDR_MAC_BUSY BIT28
#define MACCDR_MAC_STOP BIT27
#define MACCDR_MACCDR_LSB BIT0
#define MACCDR_MACCDR_MASK BITS_H2L(7,MACCDR_MACCDR_LSB)
/* I2S device clock divider register(I2SCDR) */
#define I2SCDR_I2PCS BIT31
#define I2SCDR_I2CS BIT30
#define I2SCDR_I2SDIV_M_LSB 13
#define I2SCDR_I2SDIV_M_MASK BITS_H2L(21,I2SCDR_I2SDIV_M_LSB)
#define I2SCDR_I2SDIV_N_LSB 0 /* I2SCDR bit */
#define I2SCDR_I2SDIV_N_MASK BITS_H2L(7, I2SCDR_I2SDIV_N_LSB)
/* I2S device clock divider register(I2SCDR1) */
#define I2SCDR1_NEN BIT31
#define I2SCDR1_DEN BIT30
#define I2SCDR1_I2SDIV_D_LSB 0
#define I2SCDR1_I2SDIV_D_MASK BITS_H2L(12,I2SCDR1_I2SDIV_D_LSB)
/* LCD pix clock divider register(LPCDR) */
#define LPCDR_LPCS_LSB 31
#define LPCDR_LPCS_APLL (0 << LPCDR_LPCS_LSB)
#define LPCDR_LPCS_MPLL (1 << LPCDR_LPCS_LSB)
#define LPCDR_CE_LCD BIT28
#define LPCDR_LCD_BUSY BIT27
#define LPCDR_LCD_STOP BIT26
#define LPCDR_PIXDIV_LSB 0 /* LPCDR bit */
#define LPCDR_PIXDIV_MASK BITS_H2L(7, LPCDR_PIXDIV_LSB)
/* MSC clock divider register(MSCCDR) */
#define MSCCDR_MPCS_LSB 31 /* MPCS bit */
#define MSCCDR_MPCS_APLL (0 << MSCCDR_MPCS_LSB)
#define MSCCDR_MPCS_MPLL (1 << MSCCDR_MPCS_LSB)
#define MSCCDR_CE_MSC BIT29
#define MSCCDR_MSC_BUSY BIT28
#define MSCCDR_MSC_STOP BIT27
#define MSCCDR_S_CLK0_SEL BIT15
#define MSCCDR_MSCDIV_LSB 0 /* MSCCDR bit */
#define MSCCDR_MSCDIV_MASK BITS_H2L(7, MSCCDR_MSCDIV_LSB)
/* OTG PHY clock divider register(USBCDR) */
#define USBCDR_UCS BIT31
#define USBCDR_UPCS BIT30
#define USBCDR_CE_USB BIT29
#define USBCDR_USB_BUSY BIT28
#define USBCDR_USB_STOP BIT27
#define USBCDR_OTGDIV_LSB 0 /* USBCDR bit */
#define USBCDR_OTGDIV_MASK BITS_H2L(7, USBCDR_OTGDIV_LSB)
/* SSI clock divider register(SSICDR) */
#define SSICDR_SPCS BIT31
#define SSICDR_SCS BIT30
#define SSICDR_CE_SSI BIT29
#define SSICDR_SSI_BUSY BIT28
#define SSICDR_SSI_STOP BIT27
#define SSICDR_SSIDIV_LSB 0 /* SSICDR bit */
#define SSICDR_SSIDIV_MASK BITS_H2L(7, SSICDR_SSIDIV_LSB)
/* CIM mclk clock divider register(CIMCDR) */
#define CIMCDR_CIMPCS_APLL (0 << 31)
#define CIMCDR_CIMPCS_MPLL BIT31
#define CIMCDR_CE_CIM BIT29
#define CIMCDR_CIM_BUSY BIT28
#define CIMCDR_CIM_STOP BIT27
#define CIMCDR_CIMDIV_LSB 0 /* CIMCDR bit */
#define CIMCDR_CIMDIV_MASK BITS_H2L(7, CIMCDR_CIMDIV_LSB)
/* PCM device clock divider register(PCMCDR) */
#define PCMCDR_PCMPCS_LSB 30
#define PCMCDR_PCMPCS_MASK BITS_H2L(31,PCMCDR_PCMPCS_LSB)
#define PCMCDR_PCMPCS_SCLK_A 0 << PCMCDR_PCMPCS_LSB
#define PCMCDR_PCMPCS_EXTCLK 1 << PCMCDR_PCMPCS_LSB
#define PCMCDR_PCMPCS_MPLL 2 << PCMCDR_PCMPCS_LSB
#define PCMCDR_CE_PCM BIT29
#define PCMCDR_PCMDIV_M_LSB 13
#define PCMCDR_PCMDIV_M_MASK BITS_H2L(21,PCMCDR_PCMDIV_M_LSB)
#define PCMCDR_PCMDIV_N_LSB 0
#define PCMCDR_PCMDIV_N_MASK BITS_H2L(12,PCMCDR_PCMDIV_N_LSB)
/* PCM device clock divider register(PCMCDR1) */
#define PCMCDR1_PCM_NEN BIT31
#define PCMCDR1_PCM_DEN BIT30
#define PCMCDR1_PCMDIV_D_LSB 0
#define PCMCDR1_PCMDIV_D_MASK BITS_H2L(12,PCMCDR1_PCMDIV_D_LSB)
/* MAC PHY Control Register (MPHYC) */
#define MPHYC_MODE_SEL BIT31 //useless now
#define MPHYC_MAC_SPEED_LSB 29
#define MPHYC_MAC_SPEED_MASK BITS_H2L(30,MPHYC_MAC_SPEED_LSB)
#define MPHYC_SOFT_RST BIT3
#define MPHYC_PHY_INTF_LSB 0
#define MPHYC_PHY_INTF_MASK BITS_H2L(2,MPHYC_PHY_INTF_MASK) //useless now
/* CPM Interrupt Register (CPM_INTR)*/
#define CPM_INTR_VBUS_INTR BIT1
#define CPM_INTR_ADEV_INTR BIT0
/* CPM Interrupt Enable Register (CPM_INTRE)*/
#define CPM_INTRE_VBUS_INTRE BIT1
#define CPM_INTRE_ADEV_INTRE BIT0
/* CPM scratch pad protected register(CPSPPR) */
#define CPSPPR_CPSPR_WRITABLE (0x00005a5a)
/* OTG parameter control register(USBPCR) */
#define USBPCR_USB_MODE BIT31
#define USBPCR_AVLD_REG BIT30
#define USBPCR_INCRM BIT27 /* INCR_MASK bit */
#define USBPCR_TXRISE_TUNE BIT26
#define USBPCR_COMMONONN BIT25
#define USBPCR_VBUSVLDEXT BIT24
#define USBPCR_VBUSVLDEXTSEL BIT23
#define USBPCR_POR BIT22
#define USBPCR_SIDDQ BIT21
#define USBPCR_OTG_DISABLE BIT20
#define USBPCR_TXPREEMPHTUNE BIT6
#define USBPCR_IDPULLUP_LSB 28 /* IDPULLUP_MASK bit */
#define USBPCR_IDPULLUP_MASK BITS_H2L(29, USBPCR_IDPULLUP_LSB)
#define USBPCR_COMPDISTUNE_LSB 17
#define USBPCR_COMPDISTUNE_MASK BITS_H2L(19, USBPCR_COMPDISTUNE_LSB)
#define USBPCR_OTGTUNE_LSB 14
#define USBPCR_OTGTUNE_MASK BITS_H2L(16, USBPCR_OTGTUNE_LSB)
#define USBPCR_SQRXTUNE_LSB 11
#define USBPCR_SQRXTUNE_MASK BITS_H2L(13, USBPCR_SQRXTUNE_LSB)
#define USBPCR_TXFSLSTUNE_LSB 7
#define USBPCR_TXFSLSTUNE_MASK BITS_H2L(10, USBPCR_TXFSLSTUNE_LSB)
#define USBPCR_TXRISETUNE_LSB 4
#define USBPCR_TXRISETUNE_MASK BITS_H2L(5, USBPCR_TXRISETUNE_LSB)
#define USBPCR_TXVREFTUNE_LSB 0
#define USBPCR_TXVREFTUNE_MASK BITS_H2L(3, USBPCR_TXVREFTUNE_LSB)
/* OTG reset detect timer register(USBRDT) */
#define USBRDT_HB_MASK BIT26
#define USBRDT_VBFIL_LD_EN BIT25
#define USBRDT_IDDIG_EN BIT24
#define USBRDT_IDDIG_REG BIT23
#define USBRDT_USBRDT_LSB 0
#define USBRDT_USBRDT_MASK BITS_H2L(22, USBRDT_USBRDT_LSB)
/* OTG parameter control register(USBPCR1) */
#define USBPCR1_REG BIT31
#define USBPCR1_USB_SEL BIT28
#define USBPCR1_REFCLKSEL_LSB 26
#define USBPCR1_REFCLKSEL_MASK BITS_H2L(27, USBPCR1_REFCLKSEL_LSB)
#define USBPCR1_REFCLKDIV_LSB 24
#define USBPCR1_REFCLKDIV_MASK BITS_H2L(25, USBPCR1_REFCLKDIV_LSB)
#define USBPCR1_PORT_RST BIT21
#define USBPCR1_WORD_IF0 BIT19
#define USBPCR1_WORD_IF1 BIT18
/* APLL control register (CPXPCR) */
#define CPAPCR_BS BIT31
#define CPAPCR_M_LSB 24
#define CPAPCR_M_MASK BITS_H2L(30, CPAPCR_M_LSB)
#define CPAPCR_N_LSB 18
#define CPAPCR_N_MASK BITS_H2L(22, CPAPCR_N_LSB)
#define CPAPCR_OD_LSB 16
#define CPAPCR_OD_MASK BITS_H2L(17, CPAPCR_OD_LSB)
#define CPAPCR_LOCK BIT15 /* LOCK bit */
#define CPAPCR_ON BIT10
#define CPAPCR_BP BIT9
#define CPAPCR_EN BIT8
#define CPAPCR_PLLST_LSB 0
#define CPAPCR_PLLST_MASK BITS_H2L(7,CPAPCR_PLLST_LSB)
#define CPM_CPAPCR_EN CPAPCR_EN
#define CPM_CPAPCR_ON CPAPCR_ON
/* MPLL control register (CPXPCR) */
#define CPMPCR_BS BIT31
#define CPMPCR_M_LSB 24
#define CPMPCR_M_MASK BITS_H2L(30, CPAPCR_M_LSB)
#define CPMPCR_N_LSB 18
#define CPMPCR_N_MASK BITS_H2L(22, CPAPCR_N_LSB)
#define CPMPCR_OD_LSB 16
#define CPMPCR_OD_MASK BITS_H2L(17, CPAPCR_OD_LSB)
#define CPMPCR_EN BIT7
#define CPMPCR_BP BIT6
#define CPMPCR_LOCK BIT1 /* LOCK bit */
#define CPMPCR_ON BIT0
#define CPM_CPMPCR_EN CPMPCR_EN
#define CPM_CPMPCR_ON CPMPCR_ON
/* Low power control register(LCR) */
#define LCR_PST_LSB 8
#define LCD_PST_MASK BITS_H2L(19,LCR_PST_LSB)
#define LCR_LPM_LSB 0
#define LCR_LPM_MASK BITS_H2L(1,LCR_LPM_LSB)
/* Clock gate register 0(CGR0) */
#define CLKGR0_DDR BIT31
#define CLKGR0_CPU BIT30
#define CLKGR0_AHB0 BIT29
#define CLKGR0_APB0 BIT28
#define CLKGR0_RTC BIT27
#define CLKGR0_PCM BIT26
#define CLKGR0_MAC BIT25
#define CLKGR0_AES BIT24
#define CLKGR0_LCD BIT23
#define CLKGR0_CIM BIT22
#define CLKGR0_PDMA BIT21
#define CLKGR0_OST BIT20
#define CLKGR0_SSI BIT19
#define CLKGR0_TCU BIT18
#define CLKGR0_DMIC BIT17
#define CLKGR0_UART2 BIT16
#define CLKGR0_UART1 BIT15
#define CLKGR0_UART0 BIT14
#define CLKGR0_SADC BIT13
#define CLKGR0_JPEG BIT12
#define CLKGR0_AIC BIT11
#define CLKGR0_I2C3 BIT10
#define CLKGR0_I2C2 BIT9
#define CLKGR0_I2C1 BIT8
#define CLKGR0_I2C0 BIT7
#define CLKGR0_SCC BIT6
#define CLKGR0_MSC1 BIT5
#define CLKGR0_MSC0 BIT4
#define CLKGR0_OTG BIT3
#define CLKGR0_SFC BIT2
#define CLKGR0_EFUSE BIT1
#define CLKGR0_NEMC BIT0
/* CPM MEST SEL Register */
#define MEST_SEL_TST8 BIT8
#define MEST_SEL_TST7 BIT7
#define MEST_SEL_TST4 BIT4
#define MEST_SEL_TST3 BIT3
#define MEST_SEL_TST1 BIT1
#define MEST_SEL_TST0 BIT0
/*Soft Reset and Bus Control Register (SRBC)*/
#define SRBC_JPEG_SR BIT31
#define SRBC_JPEG_STP BIT30
#define SRBC_JPEG_ACK BIT29
#define SRBC_LCD_SR BIT25
#define SRBC_LCD_STP BIT24
#define SRBC_LCD_ACK BIT23
#define SRBC_CIM_STP BIT21
#define SRBC_CIM_ACK BIT20
#define SRBC_CPU_STP BIT15
#define SRBC_CPU_ACK BIT14
#define SRBC_OTG_SR BIT12
#define SRBC_AHB2_STP BIT8
#define SRBC_AHB2_ACK BIT7
#define SRBC_DDR_STP BIT6
#define SRBC_DDR_ACK BIT5
/* Oscillator and power control register(OPCR) */
#define OPCR_IDLE_DIS BIT31
#define OPCR_MASK_INT BIT30
#define OPCR_MASK_VPU BIT29 //ONLY FOR DEBUG
#define OPCR_GATE_SCLK_ABUS BIT28
#define OPCR_L2C_PD BIT25
#define OPCR_REQ_MODE BIT24
#define OPCR_GATE_USBPHY_CLK BIT23
#define OPCR_DIS_STOP_MUX BIT22
#define OPCR_O1ST_LSB 8
#define OPCR_O1ST_MASK BITS_H2L(19, OPCR_O1ST_LSB)
#define OPCR_OTGPHY0_ENABLE BIT7 /* otg */
#define OPCR_OTGPHY1_ENABLE BIT6 /* uhc */
#define OPCR_USBPHY_ENABLE (OPCR_OTGPHY0_ENABLE | OPCR_OTGPHY1_ENABLE)
#define OPCR_O1SE BIT4
#define OPCR_PD BIT3
#define OPCR_ERCS BIT2
#define OPCR_BUSMODE BIT1
/* Reset status register(RSR) */
#define RSR_HR BIT3
#define RSR_P0R BIT2
#define RSR_WR BIT1
#define RSR_PR BIT0
#ifndef __ASSEMBLY__
#define REG_CPM_CPCCR REG32(CPM_BASE + CPM_CPCCR)
#define REG_CPM_CPCSR REG32(CPM_BASE + CPM_CPCSR)
#define REG_CPM_DDCDR REG32(CPM_BASE + CPM_DDCDR)
#define REG_CPM_MACCDR REG32(CPM_BASE + CPM_MACCDR)
#define REG_CPM_I2SCDR REG32(CPM_BASE + CPM_I2SCDR)
#define REG_CPM_I2SCDR1 REG32(CPM_BASE + CPM_I2SCDR1)
#define REG_CPM_LPCDR REG32(CPM_BASE + CPM_LPCDR)
#define REG_CPM_MSC0CDR REG32(CPM_BASE + CPM_MSC0CDR)
#define REG_CPM_MSC1CDR REG32(CPM_BASE + CPM_MSC1CDR)
#define REG_CPM_USBCDR REG32(CPM_BASE + CPM_USBCDR)
#define REG_CPM_SSICDR REG32(CPM_BASE + CPM_SSICDR)
#define REG_CPM_CIMCDR REG32(CPM_BASE + CPM_CIMCDR)
#define REG_CPM_PCMCDR REG32(CPM_BASE + CPM_PCMCDR)
#define REG_CPM_PCMCDR1 REG32(CPM_BASE + CPM_PCMCDR1)
#define REG_CPM_MPHYC REG32(CPM_BASE + CPM_MPHYC)
#define REG_CPM_INTRCDR REG32(CPM_BASE + CPM_INTRCDR)
#define REG_CPM_INTRECDR REG32(CPM_BASE + CPM_INTRECDR)
#define REG_CPM_CPSPR REG32(CPM_BASE + CPM_CPSPR)
#define REG_CPM_CPSPPR REG32(CPM_BASE + CPM_CPSPPR)
#define REG_CPM_USBPCR REG32(CPM_BASE + CPM_USBPCR)
#define REG_CPM_USBRDT REG32(CPM_BASE + CPM_USBRDT)
#define REG_CPM_USBVBFIL REG32(CPM_BASE + CPM_USBVBFIL)
#define REG_CPM_USBPCR1 REG32(CPM_BASE + CPM_USBPCR1)
#define REG_CPM_CPAPCR REG32(CPM_BASE + CPM_CPAPCR)
#define REG_CPM_CPMPCR REG32(CPM_BASE + CPM_CPMPCR)
#define REG_CPM_LCR REG32(CPM_BASE + CPM_LCR)
#define REG_CPM_PSWC0ST REG32(CPM_BASE + CPM_PSWC0ST)
#define REG_CPM_PSWC1ST REG32(CPM_BASE + CPM_PSWC1ST)
#define REG_CPM_PSWC2ST REG32(CPM_BASE + CPM_PSWC2ST)
#define REG_CPM_PSWC3ST REG32(CPM_BASE + CPM_PSWC3ST)
#define REG_CPM_CLKGR0 REG32(CPM_BASE + CPM_CLKGR0)
#define REG_CPM_SRBC REG32(CPM_BASE + CPM_SRBC)
#define REG_CPM_SLBC REG32(CPM_BASE + CPM_SLBC)
#define REG_CPM_SLPC REG32(CPM_BASE + CPM_SLPC)
#define REG_CPM_OPCR REG32(CPM_BASE + CPM_OPCR)
#define REG_CPM_RSR REG32(CPM_BASE + CPM_RSR)
#define _REG_CPM_MSCCDR(n) REG_CPM_MSC##n##CDR
#define REG_CPM_MSCCDR(n) _REG_CPM_MSCCDR(n)
/* CPM read write */
#define cpm_inl(off) readl(CPM_BASE + off)
#define cpm_outl(val,off) writel(val, CPM_BASE + off)
#define cpm_test_bit(bit,off) (cpm_inl(off) & 0x1<<(bit))
#define cpm_set_bit(bit,off) (cpm_outl((cpm_inl(off) | 0x1<<(bit)),off))
#define cpm_clear_bit(bit,off) (cpm_outl(cpm_inl(off) & ~(0x1 << bit), off))
#endif /* __ASSEMBLY__ */
#endif /* _X1000_CPM_H_ */
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-02-03 Urey the first version
*/
#ifndef _X1000_INTC_H_
#define _X1000_INTC_H_
/*
* INTC (Interrupt Controller)
*/
#define INTC_ISR(n) (INTC_BASE + 0x00 + (n) * 0x20)
#define INTC_IMR(n) (INTC_BASE + 0x04 + (n) * 0x20)
#define INTC_IMSR(n) (INTC_BASE + 0x08 + (n) * 0x20)
#define INTC_IMCR(n) (INTC_BASE + 0x0c + (n) * 0x20)
#define INTC_IPR(n) (INTC_BASE + 0x10 + (n) * 0x20)
#define REG_INTC_ISR(n) REG32(INTC_ISR((n)))
#define REG_INTC_IMR(n) REG32(INTC_IMR((n)))
#define REG_INTC_IMSR(n) REG32(INTC_IMSR((n)))
#define REG_INTC_IMCR(n) REG32(INTC_IMCR((n)))
#define REG_INTC_IPR(n) REG32(INTC_IPR((n)))
// interrupt controller interrupts
#define IRQ_DMIC 0
#define IRQ_AIC0 1
#define IRQ_RESERVED2 2
#define IRQ_RESERVED3 3
#define IRQ_RESERVED4 4
#define IRQ_RESERVED5 5
#define IRQ_RESERVED6 6
#define IRQ_SFC 7
#define IRQ_SSI0 8
#define IRQ_RESERVED9 9
#define IRQ_PDMA 10
#define IRQ_PDMAD 11
#define IRQ_RESERVED12 12
#define IRQ_RESERVED13 13
#define IRQ_GPIO3 14
#define IRQ_GPIO2 15
#define IRQ_GPIO1 16
#define IRQ_GPIO0 17
#define IRQ_RESERVED18 18
#define IRQ_RESERVED19 19
#define IRQ_RESERVED20 20
#define IRQ_OTG 21
#define IRQ_RESERVED22 22
#define IRQ_AES 23
#define IRQ_RESERVED24 24
#define IRQ_TCU2 25
#define IRQ_TCU1 26
#define IRQ_TCU0 27
#define IRQ_RESERVED28 28
#define IRQ_RESERVED29 29
#define IRQ_CIM 30
#define IRQ_LCD 31
#define IRQ_RTC 32
#define IRQ_RESERVED33 33
#define IRQ_RESERVED34 34
#define IRQ_RESERVED35 35
#define IRQ_MSC1 36
#define IRQ_MSC0 37
#define IRQ_SCC 38
#define IRQ_RESERVED39 39
#define IRQ_PCM0 40
#define IRQ_RESERVED41 41
#define IRQ_RESERVED42 42
#define IRQ_RESERVED43 43
#define IRQ_HARB2 44
#define IRQ_RESERVED45 45
#define IRQ_HARB0 46
#define IRQ_CPM 47
#define IRQ_RESERVED48 48
#define IRQ_UART2 49
#define IRQ_UART1 50
#define IRQ_UART0 51
#define IRQ_DDR 52
#define IRQ_RESERVED53 53
#define IRQ_EFUSE 54
#define IRQ_MAC 55
#define IRQ_RESERVED56 56
#define IRQ_RESERVED57 57
#define IRQ_I2C2 58
#define IRQ_I2C1 59
#define IRQ_I2C0 60
#define IRQ_PDMAM 61
#define IRQ_JPEG 62
#define IRQ_RESERVED63 63
#define IRQ_INTC_MAX 63
#ifndef __ASSEMBLY__
#define __intc_unmask_irq(n) (REG_INTC_IMCR((n)/32) = (1 << ((n)%32)))
#define __intc_mask_irq(n) (REG_INTC_IMSR((n)/32) = (1 << ((n)%32)))
#define __intc_ack_irq(n) (REG_INTC_IPR((n)/32) = (1 << ((n)%32))) /* A dummy ack, as the Pending Register is Read Only. Should we remove __intc_ack_irq() */
#endif /* !__ASSEMBLY__ */
#endif /* _X1000_INTC_H_ */
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-02-03 Urey the first version
*/
#ifndef _X1000_OTG_DWC_H_
#define _X1000_OTG_DWC_H_
/* Globle Regs define */
#define GOTG_CTL (OTG_BASE + 0x00)
#define GOTG_INTR (OTG_BASE + 0x04)
#define GAHB_CFG (OTG_BASE + 0x08)
#define GUSB_CFG (OTG_BASE + 0x0c)
#define GRST_CTL (OTG_BASE + 0x10)
#define GINT_STS (OTG_BASE + 0x14)
#define GINT_MASK (OTG_BASE + 0x18)
#define GRXSTS_READ (OTG_BASE + 0x1c)
#define GRXSTS_POP (OTG_BASE + 0x20)
#define GRXFIFO_SIZE (OTG_BASE + 0x24)
#define GNPTXFIFO_SIZE (OTG_BASE + 0x28)
#define GDTXFIFO_SIZE (OTG_BASE + 0x104)
#define GHW_CFG1 (OTG_BASE + 0x44)
#define GHW_CFG2 (OTG_BASE + 0x48)
#define GHW_CFG3 (OTG_BASE + 0x4c)
#define GHW_CFG4 (OTG_BASE + 0x50)
#define GDFIFO_CFG (OTG_BASE + 0x5c)
#define PCGC_CTL (OTG_BASE + 0xe00)
/* Fifo number 1 ~ 15 */
#define GDEIP_TXF(n) (OTG_BASE + (0x104 + ((n-1) * 0x4)))
#define REG_GOTG_CTL REG32(GOTG_CTL)
#define REG_GOTG_INTR REG32(GOTG_INTR)
#define REG_GAHB_CFG REG32(GAHB_CFG)
#define REG_GUSB_CFG REG32(GUSB_CFG)
#define REG_GRST_CTL REG32(GRST_CTL)
#define REG_GINT_STS REG32(GINT_STS)
#define REG_GINT_MASK REG32(GINT_MASK)
#define REG_GRXSTS_READ REG32(GRXSTS_READ)
#define REG_GRXSTS_POP REG32(GRXSTS_POP)
#define REG_GRXFIFO_SIZE REG32(GRXFIFO_SIZE)
#define REG_GNPTXFIFO_SIZE REG32(GNPTXFIFO_SIZE)
#define REG_GDTXFIFO_SIZE REG32(GDTXFIFO_SIZE)
#define REG_GHW_CFG1 REG32(GHW_CFG1)
#define REG_GHW_CFG2 REG32(GHW_CFG2)
#define REG_GHW_CFG3 REG32(GHW_CFG3)
#define REG_GHW_CFG4 REG32(GHW_CFG4)
#define REG_GDFIFO_CFG REG32(GDFIFO_CFG)
#define REG_GDIEP_TXF(n) REG32(GDEIP_TXF(n))
#define REG_PCGC_CTL REG32(PCGC_CTL)
/* Device Regs define */
#define EP_FIFO(n) (OTG_BASE + (n+1)*0x1000) // FiX ME
#define REG_EP_FIFO(n) REG32(EP_FIFO(n))
#define OTG_DCFG (OTG_BASE + 0x800)
#define OTG_DCTL (OTG_BASE + 0x804)
#define OTG_DSTS (OTG_BASE + 0x808)
#define DIEP_MASK (OTG_BASE + 0x810)
#define DOEP_MASK (OTG_BASE + 0x814)
#define OTG_DAINT (OTG_BASE + 0x818)
#define DAINT_MASK (OTG_BASE + 0x81c)
#define DIEP_EMPMSK (OTG_BASE + 0x834)
/* It's used in OTG_MULT_PROC_INTRPT = 1
#define DEACH_INT (OTG_BASE + 0x838)
#define DEACH_INTMASK (OTG_BASE + 0x83c)
#define DIEP0_INTMASK (OTG_BASE + 0x840)
#define DIEP1_INTMASK (OTG_BASE + 0x844)
#define DOEP0_INTMASK (OTG_BASE + 0x880)
#define DOEP1_INTMASK (OTG_BASE + 0x884)
*/
#define DIEP_CTL(n) (OTG_BASE + (0x900 + (n)*0x20))
#define DOEP_CTL(n) (OTG_BASE + (0xb00 + (n)*0x20))
#define DIEP_INT(n) (OTG_BASE + (0x908 + (n)*0x20))
#define DOEP_INT(n) (OTG_BASE + (0xb08 + (n)*0x20))
#define DIEP_SIZE(n) (OTG_BASE + (0x910 + (n)*0x20))
#define DOEP_SIZE(n) (OTG_BASE + (0xb10 + (n)*0x20))
#define DIEP_TXFSTS(n) (OTG_BASE + (0x918 + (n)*0x20))
#define DIEP_DMA(n) (OTG_BASE + (0x914 + (n)*0x20))
#define DOEP_DMA(n) (OTG_BASE + (0xb14 + (n)*0x20))
#define REG_OTG_DCFG REG32(OTG_DCFG)
#define REG_OTG_DCTL REG32(OTG_DCTL)
#define REG_OTG_DSTS REG32(OTG_DSTS)
#define REG_DIEP_MASK REG32(DIEP_MASK)
#define REG_DOEP_MASK REG32(DOEP_MASK)
#define REG_OTG_DAINT REG32(OTG_DAINT)
#define REG_DAINT_MASK REG32(DAINT_MASK)
#define REG_DIEP_EMPMSK REG32(DIEP_EMPMSK)
#define REG_DIEP_CTL(n) REG32(DIEP_CTL(n))
#define REG_DOEP_CTL(n) REG32(DOEP_CTL(n))
#define REG_DIEP_INT(n) REG32(DIEP_INT(n))
#define REG_DOEP_INT(n) REG32(DOEP_INT(n))
#define REG_DIEP_SIZE(n) REG32(DIEP_SIZE(n))
#define REG_DOEP_SIZE(n) REG32(DOEP_SIZE(n))
#define REG_DIEP_TXFSTS(n) REG32(DIEP_TXFSTS(n))
#define REG_DIEP_DMA(n) REG32(DIEP_DMA(n))
#define REG_DOEP_DMA(n) REG32(DOEP_DMA(n))
/* Regs macro define */
/*************************************************/
#define AHBCFG_TXFE_LVL BIT7
#define AHBCFG_DMA_ENA BIT5
#define AHBCFG_GLOBLE_INTRMASK BIT0
#define USBCFG_FORCE_DEVICE BIT30
#define USBCFG_TRDTIME_MASK (0xf << 10)
#define USBCFG_TRDTIME_9 (9 << 10)
#define USBCFG_TRDTIME_6 (6 << 10)
/* GRSTCTL */
#define RSTCTL_AHB_IDLE BIT31
#define RSTCTL_TXFNUM_ALL (0x10 << 6)
#define RSTCTL_TXFIFO_FLUSH BIT5
#define RSTCTL_RXFIFO_FLUSH BIT4
#define RSTCTL_INTK_FLUSH BIT3
#define RSTCTL_FRMCNT_RST BIT2
#define RSTCTL_CORE_RST BIT0
/* GINTMSK */
#define GINTMSK_RSUME_DETE BIT31
#define GINTMSK_CONID_STSCHG BIT28
#define GINTMSK_RESET_DETE BIT23
#define GINTMSK_FETCH_SUSPEND BIT22
#define GINTMSK_OEP_INTR BIT19
#define GINTMSK_IEP_INTR BIT18
#define GINTMSK_EP_MISMATCH BIT17
#define GINTMSK_ENUM_DONE BIT13
#define GINTMSK_USB_RESET BIT12
#define GINTMSK_USB_SUSPEND BIT11
#define GINTMSK_USB_EARLYSUSPEND BIT10
#define GINTMSK_I2C_INT BIT9
#define GINTMSK_ULPK_CKINT BIT8
#define GINTMSK_GOUTNAK_EFF BIT7
#define GINTMSK_GINNAK_EFF BIT6
#define GINTMSK_NPTXFIFO_EMPTY BIT5
#define GINTMSK_RXFIFO_NEMPTY BIT4
#define GINTMSK_START_FRAM BIT3
#define GINTMSK_OTG_INTR BIT2
#define GINTMSK_MODE_MISMATCH BIT1
/* GINTSTS */
#define GINTSTS_RSUME_DETE BIT31
#define GINTSTS_CONID_STSCHG BIT28
#define GINTSTS_RESET_DETE BIT23
#define GINTSTS_FETCH_SUSPEND BIT22
#define GINTSTS_OEP_INTR BIT19
#define GINTSTS_IEP_INTR BIT18
#define GINTSTS_EP_MISMATCH BIT17
#define GINTSTS_ENUM_DONE BIT13
#define GINTSTS_USB_RESET BIT12
#define GINTSTS_USB_SUSPEND BIT11
#define GINTSTS_USB_EARLYSUSPEND BIT10
#define GINTSTS_I2C_INT BIT9
#define GINTSTS_ULPK_CKINT BIT8
#define GINTSTS_GOUTNAK_EFF BIT7
#define GINTSTS_GINNAK_EFF BIT6
#define GINTSTS_NPTXFIFO_EMPTY BIT5
#define GINTSTS_RXFIFO_NEMPTY BIT4
#define GINTSTS_START_FRAM BIT3
#define GINTSTS_OTG_INTR BIT2
#define GINTSTS_MODE_MISMATCH BIT1
/* DCTL */
#define DCTL_CGOUTNAK BIT10
#define DCTL_CLR_GNPINNAK BIT8
#define DCTL_SGNPINNAK BIT7
#define DCTL_SOFT_DISCONN BIT1
#define DCTL_SGOUTNAK BIT9
/* DCFG */
#define DCFG_DEV_ADDR_MASK (0x7f << 4)
#define DCFG_DEV_ADDR_BIT 4
#define DCFG_DEV_DESC_DMA (1 << 23)
/* DSTS */
#define DSTS_ERRATIC_ERROR BIT3
#define DSTS_ENUM_SPEED_MASK (0x3 << 1)
#define DSTS_ENUM_SPEED_BIT BIT1
#define DSTS_ENUM_SPEED_HIGH (0x0 << 1)
#define DSTS_ENUM_SPEED_FULL_30OR60 (0x1 << 1)
#define DSTS_ENUM_SPEED_LOW (0x2 << 1)
#define DSTS_ENUM_SPEED_FULL_48 (0x3 << 1)
/* GRXSTSR/GRXSTSP */
#define GRXSTSP_PKSTS_MASK (0xf << 17)
#define GRXSTSP_PKSTS_GOUT_NAK (0x1 << 17)
#define GRXSTSP_PKSTS_GOUT_RECV (0x2 << 17)
#define GRXSTSP_PKSTS_TX_COMP (0x3 << 17)
#define GRXSTSP_PKSTS_SETUP_COMP (0x4 << 17)
#define GRXSTSP_PKSTS_SETUP_RECV (0x6 << 17)
#define GRXSTSP_BYTE_CNT_MASK (0x7ff << 4)
#define GRXSTSP_BYTE_CNT_BIT 4
#define GRXSTSP_EPNUM_MASK (0xf)
#define GRXSTSP_EPNUM_BIT BIT0
/* DIOEPCTL */
// ep0
#define DEP_EP0_MAXPKET_SIZE 64
#define DEP_EP0_MPS_64 (0x0)
#define DEP_EP0_MPS_32 (0x1)
#define DEP_EP0_MPS_16 (0x2)
#define DEP_EP0_MPS_8 (0x3)
#define DEP_ENA_BIT BIT31
#define DEP_DISENA_BIT BIT30
#define DEP_SET_NAK BIT27
#define DEP_CLEAR_NAK BIT26
#define DEP_SET_STALL BIT21
#define DEP_TYPE_MASK (0x3 << 18)
#define DEP_TYPE_CNTL (0x0 << 18)
#define DEP_TYPE_ISO (0x1 << 18)
#define DEP_TYPE_BULK (0x2 << 18)
#define DEP_TYPE_INTR (0x3 << 18)
#define USB_ACTIVE_EP BIT15
#define DEP_PKTSIZE_MASK 0x7ff
#define DEP_FS_PKTSIZE 64
#define DEP_HS_PKTSIZE 512
/* DIOEPINT */
#define DEP_NYET_INT BIT14
#define DEP_NAK_INT BIT13
#define DEP_BABBLE_ERR_INT BIT12
#define DEP_PKT_DROP_STATUS BIT11
#define DEP_BNA_INT BIT9
#define DEP_TXFIFO_UNDRN BIT8 // Only for INEP
#define DEP_OUTPKT_ERR BIT8 // Only for OUTEP
#define DEP_TXFIFO_EMPTY BIT7
#define DEP_INEP_NAKEFF BIT6 // Only for INEP
#define DEP_B2B_SETUP_RECV BIT6 // Only for OUTEP0
#define DEP_INTOKEN_EPMISATCH BIT5 // Only for INEP
#define DEP_STATUS_PHASE_RECV BIT5 // Only for OUTEP0
#define DEP_INTOKEN_RECV_TXFIFO_EMPTY BIT4 // Only for INEP
#define DEP_OUTTOKEN_RECV_EPDIS BIT4 // Only for OUTEP
#define DEP_TIME_OUT BIT3 // Only for INEP
#define DEP_SETUP_PHASE_DONE BIT3 // Only for OUTEP0
#define DEP_AHB_ERR BIT2
#define DEP_EPDIS_INT BIT1
#define DEP_XFER_COMP BIT0 // Used by INEP and OUTEP
/* DOEPSIZ0 */
#define DOEPSIZE0_SUPCNT_1 (0x1 << 29)
#define DOEPSIZE0_SUPCNT_2 (0x2 << 29)
#define DOEPSIZE0_SUPCNT_3 (0x3 << 29)
#define DOEPSIZE0_PKTCNT_BIT BIT19
#define DEP_RXFIFO_SIZE 1064
#define DEP_NPTXFIFO_SIZE 1024
#define DEP_DTXFIFO_SIZE 768
#define DWC_GAHBCFG_INT_DMA_BURST_SINGLE 0
#define DWC_GAHBCFG_INT_DMA_BURST_INCR 1
#define DWC_GAHBCFG_INT_DMA_BURST_INCR4 3
#define DWC_GAHBCFG_INT_DMA_BURST_INCR8 5
#define DWC_GAHBCFG_INT_DMA_BURST_INCR16 7
#define DWC_GAHBCFG_EXT_DMA_BURST_1word 0x0
#define DWC_GAHBCFG_EXT_DMA_BURST_4word 0x1
#define DWC_GAHBCFG_EXT_DMA_BURST_8word 0x2
#define DWC_GAHBCFG_EXT_DMA_BURST_16word 0x3
#define DWC_GAHBCFG_EXT_DMA_BURST_32word 0x4
#define DWC_GAHBCFG_EXT_DMA_BURST_64word 0x5
#define DWC_GAHBCFG_EXT_DMA_BURST_128word 0x6
#define DWC_GAHBCFG_EXT_DMA_BURST_256word 0x7
#define DEP_NUM 2
#if 0
#define UTMI_PHY_WIDTH 8
#else
#define UTMI_PHY_WIDTH 16
#endif
#endif /* _X1000_OTG_DWC_H_ */
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