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pmon/Targets/Bonito3aserver/Bonito/start_firewall.S

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/* $Id: start.S,v 1.1.1.1 2006/09/14 01:59:08 root Exp $ */
/*
* Copyright (c) 2001 Opsycon AB (www.opsycon.se)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Opsycon AB, Sweden.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef _KERNEL
#define _KERNEL
#endif
#include <asm.h>
#include <regnum.h>
#include <cpu.h>
#include <pte.h>
#include "pmon/dev/ns16550.h"
#include "target/prid.h"
#include "target/sbd.h"
#include "target/bonito.h"
#include "target/via686b.h"
#include "target/firewall.h"
#include "target/i8254.h"
#include "target/isapnpreg.h"
#define DEBUG_LOCORE
#ifdef DEBUG_LOCORE
#define TTYDBG(x) \
.rdata;98: .asciz x; .text; la a0, 98b; bal stringserial; nop
#else
#define TTYDBG(x)
#endif
#define PRINTSTR(x) \
.rdata;98: .asciz x; .text; la a0, 98b; bal stringserial; nop
#define GPIOLED_DIR 0xf
#ifndef USE_GPIO_SERIAL
#define GPIOLED_SET(x) \
li v0,0xbfe0011c; \
lw v1,4(v0); \
or v1,0xf; \
xor v1,GPIOLED_DIR; \
sw v1,4(v0); \
li v1,(~x)&0xf;\
sw v1,0(v0);\
li v1,0x1000;\
78: \
subu v1,1;\
bnez v1,78b;\
nop;
#else
#define GPIOLED_SET(x)
#endif
#define CONFIG_CACHE_64K_4WAY 1
#define tmpsize s1
#define msize s2
#define bonito s4
#define dbg s5
#define sdCfg s6
#define CP0_CONFIG $16
#define CP0_TAGLO $28
#define CP0_TAGHI $29
#define DDR100 0x1d441091
/*
#define DDR100 0x0c011091*/
#define DDR266 0x0410435e
#define DDR300 0x041453df
#define DDR_DQ 0xbff00030 /* zgj */
/*
* Register usage:
*
* s0 link versus load offset, used to relocate absolute adresses.
* s1 free
* s2 memory size.
* s3 free.
* s4 Bonito base address.
* s5 dbg.
* s6 sdCfg.
* s7 rasave.
* s8 L3 Cache size.
*/
.set nofix_gs2f_kernel
.set noreorder
.globl _start
.globl start
.globl __main
_start:
start:
.globl stack
stack = start - 0x4000 /* Place PMON stack below PMON start in RAM */
/* NOTE!! Not more that 16 instructions here!!! Right now it's FULL! */
GPIOLED_SET(3)
GPIOLED_SET(3)
GPIOLED_SET(3)
GPIOLED_SET(0)
GPIOLED_SET(0)
GPIOLED_SET(0)
mtc0 zero, COP_0_STATUS_REG
mtc0 zero, COP_0_CAUSE_REG
li t0, SR_BOOT_EXC_VEC /* Exception to Boostrap Location */
mtc0 t0, COP_0_STATUS_REG
la sp, stack
la gp, _gp
// GPIOLED_SET(1)
// bal uncached /* Switch to uncached address space */
nop
// GPIOLED_SET(2)
bal locate /* Get current execute address */
nop
uncached:
or ra, UNCACHED_MEMORY_ADDR
j ra
nop
/*
* Reboot vector usable from outside pmon.
*/
.align 8
ext_map_and_reboot:
bal CPU_TLBClear
nop
li a0, 0xc0000000
li a1, 0x40000000
bal CPU_TLBInit
nop
la v0, tgt_reboot
la v1, start
subu v0, v1
lui v1, 0xffc0
addu v0, v1
jr v0
nop
/*
* Exception vectors here for rom, before we are up and running. Catch
* whatever comes up before we have a fully fledged exception handler.
*/
.align 9 /* bfc00200 */
la a0, v200_msg
bal stringserial
nop
b exc_common
.align 7 /* bfc00280 */
la a0, v280_msg
bal stringserial
nop
b exc_common
/* Cache error */
.align 8 /* bfc00300 */
PRINTSTR("\r\nPANIC! Unexpected Cache Error exception! ")
mfc0 a0, COP_0_CACHE_ERR
bal hexserial
nop
b exc_common
/* General exception */
.align 7 /* bfc00380 */
la a0, v380_msg
bal stringserial
nop
b exc_common
.align 8 /* bfc00400 */
la a0, v400_msg
bal stringserial
nop
exc_common:
PRINTSTR("\r\nCAUSE=")
mfc0 a0, COP_0_CAUSE_REG
bal hexserial
nop
PRINTSTR("\r\nSTATUS=")
mfc0 a0, COP_0_STATUS_REG
bal hexserial
nop
PRINTSTR("\r\nERRORPC=")
mfc0 a0, COP_0_ERROR_PC
bal hexserial
nop
PRINTSTR("\r\nEPC=")
mfc0 a0, COP_0_EXC_PC
bal hexserial
nop
#ifndef ROM_EXCEPTION
PRINTSTR("\r\nDERR0=")
cfc0 a0, COP_0_DERR_0
bal hexserial
nop
PRINTSTR("\r\nDERR1=")
cfc0 a0, COP_0_DERR_1
bal hexserial
nop
#else
1:
b 1b
nop
#endif
// b ext_map_and_reboot
nop
.align 8
nop
.align 8
.word read
.word write
.word open
.word close
.word nullfunction
.word printf
.word vsprintf
.word nullfunction
.word nullfunction
.word getenv
.word nullfunction
.word nullfunction
.word nullfunction
.word nullfunction
/*
* We get here from executing a bal to get the PC value of the current execute
* location into ra. Check to see if we run from ROM or if this is ramloaded.
*/
locate:
la s0,start
subu s0,ra,s0
and s0,0xffff0000
// GPIOLED_SET(3)
li t0,SR_BOOT_EXC_VEC
mtc0 t0,COP_0_STATUS_REG
mtc0 zero,COP_0_CAUSE_REG
.set noreorder
li bonito,PHYS_TO_UNCACHED(BONITO_REG_BASE)
#define MOD_MASK 0x00000003
#define MOD_B 0x00000000 /* byte "modifier" */
#define MOD_H 0x00000001 /* halfword "modifier" */
#define MOD_W 0x00000002 /* word "modifier" */
#if __mips64
# define MOD_D 0x00000003 /* doubleword "modifier" */
#endif
#define OP_MASK 0x000000fc
#define OP_EXIT 0x00000000 /* exit (status) */
#define OP_DELAY 0x00000008 /* delay (cycles) */
#define OP_RD 0x00000010 /* read (addr) */
#define OP_WR 0x00000014 /* write (addr, val) */
#define OP_RMW 0x00000018 /* read-modify-write (addr, and, or) */
#define OP_WAIT 0x00000020 /* wait (addr, mask, value) */
#define WR_INIT(mod,addr,val) \
.word OP_WR|mod,PHYS_TO_UNCACHED(addr);\
.word (val),0
#define RD_INIT(mod,addr) \
.word OP_RD|mod,PHYS_TO_UNCACHED(addr);\
.word 0,0
#define RMW_INIT(mod,addr,and,or) \
.word OP_RMW|mod,PHYS_TO_UNCACHED(addr);\
.word (and),(or)
#define WAIT_INIT(mod,addr,and,or) \
.word OP_WAIT|mod,PHYS_TO_UNCACHED(addr);\
.word (mask),(val)
#define DELAY_INIT(cycles) \
.word OP_DELAY,(cycles);\
.word 0,0
#define EXIT_INIT(status) \
.word OP_EXIT,(status);\
.word 0,0
#define BONITO_INIT(r,v) WR_INIT(MOD_W,BONITO_BASE+/**/r,v)
#define BONITO_BIS(r,b) RMW_INIT(MOD_W,BONITO_BASE+(r),~0,b)
#define BONITO_BIC(r,b) RMW_INIT(MOD_W,BONITO_BASE+(r),~(b),0)
#define BONITO_RMW(r,c,s) RMW_INIT(MOD_W,BONITO_BASE+(r),~(c),s)
#define CFGADDR(idsel,function,reg) ((1<<(11+(idsel)))+((function)<<8)+(reg))
#define _ISABWR_INIT(mod,function,isabreg,val) \
WR_INIT(MOD_W,BONITO_BASE+BONITO_PCIMAP_CFG,CFGADDR(PCI_IDSEL_VIA686B,function,isabreg)>>16) ; \
RD_INIT(MOD_W,BONITO_BASE+BONITO_PCIMAP_CFG) ; \
WR_INIT(mod,PCI_CFG_SPACE+(CFGADDR(PCI_IDSEL_VIA686B,function,isabreg)&0xffff),val)
#define _ISABRD_INIT(mod,function,isabreg) \
WR_INIT(MOD_W,BONITO_BASE+BONITO_PCIMAP_CFG,CFGADDR(PCI_IDSEL_VIA686B,function,isabreg)>>16) ; \
RD_INIT(MOD_W,BONITO_BASE+BONITO_PCIMAP_CFG) ; \
RD_INIT(mod,PCI_CFG_SPACE+(CFGADDR(PCI_IDSEL_VIA686B,function,isabreg)&0xffff))
#define _ISAWR_INIT(isareg,val) \
WR_INIT(MOD_B,PCI_IO_SPACE+(isareg),val)
#define _ISARD_INIT(isareg) \
RD_INIT(MOD_B,PCI_IO_SPACE+(isareg))
#define ISABBWR_INIT(function,isabreg,val) \
_ISABWR_INIT(MOD_B,function,(isabreg),val)
#define ISABHWR_INIT(function,isabreg,val) \
_ISABWR_INIT(MOD_H,function,(isabreg),val)
#define ISABWWR_INIT(function,isabreg,val) \
_ISABWR_INIT(MOD_W,function,isabreg,val)
#define ISAWR_INIT(isareg,val) \
_ISAWR_INIT(isareg,val)
#define ISARD_INIT(isareg) \
_ISARD_INIT(isareg)
// GPIOLED_SET(4)
bal 1f
nop
/*
* In certain situations it is possible for the Bonito ASIC
* to come up with the PCI registers uninitialised, so do them here
*/
#define PCI_CLASS_BRIDGE 0x06
#define PCI_CLASS_SHIFT 24
#define PCI_SUBCLASS_BRIDGE_HOST 0x00
#define PCI_SUBCLASS_SHIFT 16
#define PCI_COMMAND_IO_ENABLE 0x00000001
#define PCI_COMMAND_MEM_ENABLE 0x00000002
#define PCI_COMMAND_MASTER_ENABLE 0x00000004
#define PCI_COMMAND_STATUS_REG 0x04
#define PCI_MAP_IO 0X00000001
#define PCI_CFG_SPACE BONITO_PCICFG_BASE
BONITO_INIT(BONITO_PCICLASS,(PCI_CLASS_BRIDGE << PCI_CLASS_SHIFT) | (PCI_SUBCLASS_BRIDGE_HOST << PCI_SUBCLASS_SHIFT))
BONITO_INIT(BONITO_PCICMD, BONITO_PCICMD_PERR_CLR|BONITO_PCICMD_SERR_CLR|BONITO_PCICMD_MABORT_CLR|BONITO_PCICMD_MTABORT_CLR|BONITO_PCICMD_TABORT_CLR|BONITO_PCICMD_MPERR_CLR)
BONITO_INIT(BONITO_PCILTIMER, 255)
BONITO_INIT(BONITO_PCIBASE0, 0)
BONITO_INIT(BONITO_PCIBASE1, 0)
BONITO_INIT(BONITO_PCIBASE2, 0)
BONITO_INIT(0x150,0x8000000c)
BONITO_INIT(0x154,0xffffffff)
BONITO_BIS(BONITO_PCICMD, PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE|PCI_COMMAND_MASTER_ENABLE)
/******** added to init southbridge*/
#if (PCI_IDSEL_VIA686B != 0)
/* Set the SMB base address */
ISABWWR_INIT(4, SMBUS_IO_BASE_ADDR, SMBUS_IO_BASE_VALUE | 0x1)
/* enable the host controller */
ISABHWR_INIT(4, SMBUS_HOST_CONFIG_ADDR, SMBUS_HOST_CONFIG_ENABLE_BIT)
/* enable the SMB IO ports */
ISABBWR_INIT(4, PCI_COMMAND_STATUS_REG, PCI_COMMAND_IO_ENABLE)
/* 15us ISA bus refresh clock */
#define ISAREFRESH (PT_CRYSTAL/(1000000/15))
ISARD_INIT(CTC_PORT+PT_CONTROL)
/* program i8254 ISA refresh counter */
ISAWR_INIT(CTC_PORT+PT_CONTROL,PTCW_SC(PT_REFRESH)|PTCW_16B|PTCW_MODE(MODE_RG))
ISAWR_INIT(CTC_PORT+PT_REFRESH, ISAREFRESH & 0xff)
ISAWR_INIT(CTC_PORT+PT_REFRESH, ISAREFRESH >> 8)
#endif
EXIT_INIT(0)
#define Init_Op 0
#define Init_A0 4
#define Init_A1 8
#define Init_A2 12
#define Init_Size 16
1: move a0,ra
reginit: /* local name */
lw t3, Init_Op(a0)
lw t0, Init_A0(a0)
and t4,t3,OP_MASK
/*
* EXIT(STATUS)
*/
bne t4, OP_EXIT, 8f
nop
move v0,t0
b .done
nop
/*
* DELAY(CYCLES)
*/
8: bne t4, OP_DELAY, 8f
nop
1: bnez t0,1b
subu t0,1
b .next
nop
/*
* READ(ADDR)
*/
8: bne t4,OP_RD,8f
nop
and t4,t3,MOD_MASK
bne t4,MOD_B,1f
nop
lbu t5,0(t0)
b .next
nop
1: bne t4,MOD_H,1f
nop
lhu t5,0(t0)
b .next
nop
1: bne t4,MOD_W,1f
nop
#if __mips64
lwu t5,0(t0)
#else
lw t5,0(t0)
#endif
b .next
nop
1:
#if __mips64
lw t5,0(t0)
b .next
nop
#else
b .fatal
nop
#endif
/*
* WRITE(ADDR,VAL)
*/
8: bne t4,OP_WR,8f
nop
lw t1,Init_A1(a0)
and t4,t3,MOD_MASK
bne t4,MOD_B,1f
nop
sb t1,0(t0)
b .next
nop
1: bne t4,MOD_H,1f
nop
sh t1,0(t0)
b .next
nop
1: bne t4,MOD_W,1f
nop
sw t1,0(t0)
b .next
nop
1:
#if __mips64
sd t1,0(t0)
b .next
nop
#else
b .fatal
nop
#endif
/*
* RMW(ADDR,AND,OR)
*/
8: bne t4,OP_RMW,8f
nop
lw t1,Init_A1(a0)
lw t2,Init_A2(a0)
and t4,t3,MOD_MASK
bne t4,MOD_B,1f
nop
lbu t4,0(t0)
and t4,t1
or t4,t2
sb t4,0(t0)
b .next
nop
1: bne t4,MOD_H,1f
nop
lhu t4,0(t0)
and t4,t1
or t4,t2
sh t4,0(t0)
b .next
nop
1: bne t4,MOD_W,1f
nop
lw t4,0(t0)
and t4,t1
or t4,t2
sw t4,0(t0)
b .next
nop
1:
#if __mips64
ld t4,0(t0)
and t4,t1
or t4,t2
sd t4,0(t0)
b .next
nop
#else
b .fatal
nop
#endif
/*
* WAIT(ADDR,MASK,VAL)
*/
8: bne t4,OP_WAIT,8f
nop
lw t1,Init_A1(a0)
lw t2,Init_A2(a0)
and t4,t3,MOD_MASK
bne t4,MOD_B,1f
nop
3: lbu t4,0(t0)
and t4,t1
bne t4,t2,3b
nop
b .next
nop
1: bne t4,MOD_H,1f
nop
3: lhu t4,0(t0)
and t4,t1
bne t4,t2,3b
nop
b .next
nop
1: bne t4,MOD_W,1f
nop
3: lw t4,0(t0)
and t4,t1
bne t4,t2,3b
nop
b .next
nop
1:
#if __mips64
3: ld t4,0(t0)
and t4,t1
bne t4,t2,3b
nop
b .next
nop
#else
b .fatal
nop
#endif
.next: addu a0,Init_Size
b reginit
nop
8:
.fatal: b .done
nop
bal stuck
nop
.done:
// GPIOLED_SET(5)
bal superio_init
nop
// GPIOLED_SET(6)
bal initserial
nop
// GPIOLED_SET(7)
PRINTSTR("\r\nPMON2000 MIPS Initializing. Standby...\r\n")
PRINTSTR("ERRORPC=")
mfc0 a0, COP_0_ERROR_PC
bal hexserial
nop
// GPIOLED_SET(8)
PRINTSTR(" CONFIG=")
mfc0 a0, COP_0_CONFIG
bal hexserial
nop
PRINTSTR("\r\n")
PRINTSTR(" PRID=")
mfc0 a0, COP_0_PRID
bal hexserial
nop
PRINTSTR("\r\n")
// for write isl12027 watchdog
bal isl12027_watchdog
nop
bnez s0,1f
nop
li a0,128
la v0,initmips
jr v0
nop
1:
/*
* Now determine DRAM configuration and size by
* reading the I2C EEROM on the DIMMS
*/
##############################################
/*
* now, we just write ddr2 parameters directly.
* we should use i2c for memory auto detecting.
*/
gs_2f_v3_ddr2_cfg:
// GPIOLED_SET(9)
TTYDBG ("\r\nenable register space of MEMORY\r\n")
li t2,0xbfe00180
ld a1,0x0(t2)
and a1,a1,0x6ff
#or a1,a1,0x100
sd a1,0x0(t2)
###enable the reg space###
PRINTSTR("DDR2 config begin_whd\r\n")
b ddr2_config
nop
ddr2_config_done:
PRINTSTR("DDR2 config end\r\n")
#if 1 /* read ddr2 registers */
li t0, 0xaffffe00
not_locked:
ld t1, 0x10(t0)
andi t1, 0x01
beqz t1, not_locked
nop
PRINTSTR("DDR2 DLL locked\r\n")
ld t1, 0xf0(t0)
move a0, t1
bal hexserial
nop
#endif
###disable the reg space###
#if 1
TTYDBG ("\r\ndisable register space of MEMORY\r\n")
li t2,0xbfe00180
lw a1,0x0(t2)
or a1,a1,0x700 //disable ddr config space and no д????ʱ?Ƿ?????????δ???ڴ? , no д????ʱ?Ƿ?????????δ???ڴ?
xor a1,0x600
sw a1,0x0(t2)
#endif
##########################################
skipdimm:
// GPIOLED_SET(10)
PRINTSTR("Init SDRAM Done!\r\n");
// GPIOLED_SET(11)
bal CPU_TLBClear
nop
/*
* Reset and initialize caches to a known state.
*/
#define IndexStoreTagI 0x08
#define IndexStoreTagD 0x09
#define IndexStoreTagS 0x0b
#define IndexStoreTagT 0x0a
#define FillI 0x14
/*
* RM7000 config register bits.
*/
#define CF_7_SE (1 << 3) /* Secondary cache enable */
#define CF_7_SC (1 << 31) /* Secondary cache not present */
#define CF_7_TE (1 << 12) /* Tertiary cache enable */
#define CF_7_TC (1 << 17) /* Tertiary cache not present */
#define CF_7_TS (3 << 20) /* Tertiary cache size */
#define CF_7_TS_AL 20 /* Shift to align */
#define NOP8 nop;nop;nop;nop;nop;nop;nop;nop
do_caches:
TTYDBG("Sizing caches...\r\n");
mfc0 t3, COP_0_CONFIG /* t3 = original config */
and t3, 0xffffeff0 /* Make sure coherency is OK */
and t3, ~(CF_7_TE|CF_7_SE|CF_7_TC|CF_7_SC) /* disable L2/L3 cache */
mtc0 t3, COP_0_CONFIG
TTYDBG("godson2 caches found\r\n")
bal godson2_cache_init
nop
mfc0 a0,COP_0_CONFIG
and a0,a0,~((1<<12) | 3)
or a0,a0,2
mtc0 a0,COP_0_CONFIG
#ifdef DEBUG_LOCORE
TTYDBG("Init caches done, cfg = ")
mfc0 a0, COP_0_CONFIG
bal hexserial
nop
TTYDBG("\r\n\r\n")
#endif
/* zhb */
#if 0
/* li t0, 0 */
/* li t1, 0x90000 */
/*1: addiu t0, 1 */
/* bne t0, t1, 1b */
nop
TTYDBG("Testing memory...\r\n")
li t7, 10
tmem:
li t0, 0xa0000000+1*1024*1024
li t1, 0xa0000000
li t2, 0xffffffff
1:
sw t2, 0(t1)
lw t3, 0(t1)
bne t3, t2, 1f
nop
not t2
sw t2, 0(t1)
lw t3, 0(t1)
bne t3, t2, 1f
nop
not t2
subu t2, 1
addu t1, 4
beq t1, t0, 2f
nop
and t4, t1, 0x000fffff
bnez t4, skipdot
li a0, '.'
bal tgt_putchar
nop
skipdot:
b 1b
nop
1:
TTYDBG("Memory test failed at ");
move a0, t1
bal hexserial
nop
TTYDBG("\r\nWrite=");
move a0, t2
bal hexserial
nop
TTYDBG("\r\nRead=");
move a0, t3
bal hexserial
nop
1:
b 1b
nop
2:
TTYDBG("Testing ok...\r\n");
sub t7,1
beqz t7, 1f
nop
b tmem
nop
1:
b 1b
nop
#endif
#include "machine/newtest/mydebug.S"
bootnow:
TTYDBG("Copy PMON to execute location...\r\n")
#ifdef DEBUG_LOCORE
TTYDBG(" start = 0x")
la a0, start
bal hexserial
nop
TTYDBG("\r\n s0 = 0x")
move a0, s0
bal hexserial
nop
TTYDBG("\r\n")
#endif
la a0, start
li a1, 0xbfc00000
la a2, _edata
or a0, 0xa0000000
or a2, 0xa0000000
subu t1, a2, a0
srl t1, t1, 2
move t0, a0
move t1, a1
move t2, a2
/* copy text section */
1: and t3,t0,0x0000ffff
bnez t3,2f
nop
move a0,t0
bal hexserial
nop
li a0,'\r'
bal tgt_putchar
nop
2: lw t3, 0(t1)
nop
sw t3, 0(t0)
addu t0, 4
addu t1, 4
bne t2, t0, 1b
nop
PRINTSTR("\ncopy text section done.\r\n")
/* Clear BSS */
la a0, _edata
la a2, _end
2: sw zero, 0(a0)
bne a2, a0, 2b
addu a0, 4
TTYDBG("Copy PMON to execute location done.\r\n")
/* zhb */
#if 0
zhb:
TTYDBG("Testing...\r\n")
la a0, start
li a1, 0xbfc00000
la a2, _edata
or a0, 0xa0000000
or a2, 0xa0000000
/* subu s6, a2, a0*/
/* srl s6, s6, 2*/
move t0, a0
move t1, a1
move t2, a2
/* copy text section */
1: lw t4, 0(t1)
nop
lw t5, 0(t0)
addu t0, 4
addu t1, 4
beq t4, t5, 2f
nop
move a0, t0
subu a0, 4
bal hexserial
nop
TTYDBG (" ")
move a0, t4
bal hexserial
nop
TTYDBG (" ")
move a0, t5
bal hexserial
nop
TTYDBG ("\r\n")
2: bne t2, t0, 1b
nop
TTYDBG ("test ok!\r\n")
/*
3: beqz zero, 3b
nop
*/
#endif
TTYDBG("sp=");
move a0, sp
bal hexserial
nop
li a0, 4096*1024
sw a0, CpuTertiaryCacheSize /* Set L3 cache size */
#if 0
mfc0 a0,COP_0_CONFIG
and a0,a0,0xfffffff8
or a0,a0,0x3
mtc0 a0,COP_0_CONFIG
#endif
PRINTSTR("\r\n")
/* pass pointer to kseg1 tgt_putchar */
la a1, tgt_putchar
addu a1,a1,s0
la a2, stringserial
addu a2,a2,s0
srl msize,msize,20
move a0,msize
la v0, initmips
jalr v0
nop
stuck:
#ifdef DEBUG_LOCORE
TTYDBG("Dumping GT64240 setup.\r\n")
TTYDBG("offset----data------------------------.\r\n")
li s3, 0
1:
move a0, s3
bal hexserial
nop
TTYDBG(": ")
2:
add a0, s3, bonito
lw a0, 0(a0)
bal hexserial
addiu s3, 4
TTYDBG(" ")
li a0, 0xfff
and a0, s3
beqz a0, 3f
li a0, 0x01f
and a0, s3
bnez a0, 2b
TTYDBG("\r\n")
b 1b
nop
3:
b 3b
nop
#else
b stuck
nop
#endif
/*
* Clear the TLB. Normally called from start.S.
*/
#if __mips64
#define MTC0 dmtc0
#else
#define MTC0 mtc0
#endif
LEAF(CPU_TLBClear)
li a3, 0 # First TLB index.
li a2, PG_SIZE_16K
MTC0 a2, COP_0_TLB_PG_MASK # Whatever...
1:
MTC0 zero, COP_0_TLB_HI # Clear entry high.
MTC0 zero, COP_0_TLB_LO0 # Clear entry low0.
MTC0 zero, COP_0_TLB_LO1 # Clear entry low1.
mtc0 a3, COP_0_TLB_INDEX # Set the index.
addiu a3, 1
li a2, 64
nop
nop
tlbwi # Write the TLB
bne a3, a2, 1b
nop
li a3,4
mtc0 a3,$22 #flush itlb
jr ra
nop
END(CPU_TLBClear)
/*
* Set up the TLB. Normally called from start.S.
*/
LEAF(CPU_TLBInit)
li a3, 0 # First TLB index.
li a2, PG_SIZE_16M
MTC0 a2, COP_0_TLB_PG_MASK # All pages are 16Mb.
1:
and a2, a0, PG_SVPN
MTC0 a2, COP_0_TLB_HI # Set up entry high.
move a2, a0
srl a2, a0, PG_SHIFT
and a2, a2, PG_FRAME
ori a2, PG_IOPAGE
MTC0 a2, COP_0_TLB_LO0 # Set up entry low0.
addu a2, (0x01000000 >> PG_SHIFT)
MTC0 a2, COP_0_TLB_LO1 # Set up entry low1.
mtc0 a3, COP_0_TLB_INDEX # Set the index.
addiu a3, 1
li a2, 0x02000000
subu a1, a2
nop
tlbwi # Write the TLB
bgtz a1, 1b
addu a0, a2 # Step address 32Mb.
jr ra
nop
END(CPU_TLBInit)
LEAF(stringserial)
move a2, ra
#ifdef ROM_EXCEPTION
li a1,0x3ec00000
addu a1, a0, a1
#else
addu a1, a0, s0
#endif
lbu a0, 0(a1)
1:
beqz a0, 2f
nop
bal tgt_putchar
addiu a1, 1
b 1b
lbu a0, 0(a1)
2:
j a2
nop
END(stringserial)
LEAF(outstring)
move a2, ra
move a1, a0
lbu a0, 0(a1)
1:
beqz a0, 2f
nop
bal tgt_putchar
addiu a1, 1
b 1b
lbu a0, 0(a1)
2:
j a2
nop
END(outstring)
LEAF(hexserial)
move a2, ra
move a1, a0
li a3, 7
1:
rol a0, a1, 4
move a1, a0
and a0, 0xf
#ifdef ROM_EXCEPTION
la v0, (hexchar+0x3ec00000)
#else
la v0, hexchar
addu v0, s0
#endif
addu v0, a0
bal tgt_putchar
lbu a0, 0(v0)
bnez a3, 1b
addu a3, -1
j a2
nop
END(hexserial)
LEAF(tgt_putchar)
.set noat
move AT,ra
#ifdef HAVE_NB_SERIAL
la v0, LS2F_COMA_ADDR
bal 1f
nop
#endif
#ifdef USE_GPIO_SERIAL
//function tgt_putchar modified by zhanghualiang 4nd version
//in case the serial is down,we use PCIO_LED
//to send message. we use only two of the four led lights.
#define MEMPUTCHARDELAY 14 //added by zhanghualiang
#define ROMPUTCDELAY 5 //added end
#define HANDDELAY 5
//added code for light led start
//first rol 17 send then send, v1 data(bit1),t1 clock(bit0),t8 send dat
//set led all lighted
li v0, 2 //put 2
li v1, 0xbfe0011c
sw v0, 0(v1)
move v1, ra //4rd code begin
srl v1, v1, 28
and v1, v1, 1
xor v1, v1, 1
sll v1, v1, MEMPUTCHARDELAY
addu v1, v1, ROMPUTCDELAY
1427:
addu v1, v1, -1
bgez v1, 1427b
nop //put 2 end
li v0, 3 //put 3
li v1, 0xbfe0011c
sw v0, 0(v1)
move v1, ra //4rd code begin
srl v1, v1, 28
and v1, v1, 1
xor v1, v1, 1
sll v1, v1, MEMPUTCHARDELAY
addu v1, v1, HANDDELAY
1441:
addu v1, v1, -1
bgez v1, 1441b
nop //put 3 end
li v0, 1 //put 1
li v1, 0xbfe0011c
sw v0, 0(v1)
move v1, ra //4rd code begin
srl v1, v1, 28
and v1, v1, 1
xor v1, v1, 1
sll v1, v1, MEMPUTCHARDELAY
addu v1, v1, HANDDELAY
1456:
addu v1, v1, -1
bgez v1, 1456b
nop //put 1 end
li v0, 0 //put 0 to just wave
li v1, 0xbfe0011c
sw v0, 0(v1)
li v1, ROMPUTCDELAY
1466:
addu v1, v1, -1
bgez v1, 1466b
nop
and a0, a0, 0xff
li v0, 0x8 //time loop flag
1421:
and v1, a0, 1 //v1 fetch a0 low bit 1
srl a0, a0, 1 //
sll v1, v1, 1
1431:
sll a0, a0, 4 //4th edit
or a0, a0, v1
li v1, 0xbfe0011c //light on
sw a0, 0(v1) //put data at clk = 0
move v1, ra //3rd code begin
srl v1, v1, 28
and v1, v1, 1
xor v1, v1, 1
sll v1, v1, MEMPUTCHARDELAY
addu v1, v1, ROMPUTCDELAY
1435:
addu v1, v1, -1
bgez v1, 1435b
nop //3rd code end
#if 0
li v1, PUTCDELAY
1439:
addu v1, v1, -1
bgez v1, 1439b
nop
#endif
addu a0, a0, 1
li v1, 0xbfe0011c //light on
sw a0, 0(v1) //maintain data at clk = 1
move v1, ra //3rd code begin
srl v1, v1, 28
and v1, v1, 1
xor v1, v1, 1
sll v1, v1, MEMPUTCHARDELAY
addu v1, v1, ROMPUTCDELAY
1462:
addu v1, v1, -1
bgez v1, 1462b
nop //3rd code end
addu a0, a0, -1
li v1, 0xbfe0011c //light on
sw a0, 0(v1) //maintain data at clk =0
nop
#if 0
li v1, PUTCDELAY
1448:
addu v1, v1, -1
bgez v1, 1448b
nop
#endif
srl a0, a0, 4
addu v0, v0, -1
bnez v0, 1421b //loop 8
nop
#endif
jr AT
nop
1:
lbu v1, NSREG(NS16550_LSR)(v0)
and v1, LSR_TXRDY
beqz v1, 1b
nop
sb a0, NSREG(NS16550_DATA)(v0)
j ra
nop
.set at
END(tgt_putchar)
/* baud rate definitions, matching include/termios.h */
#define B0 0
#define B50 50
#define B75 75
#define B110 110
#define B134 134
#define B150 150
#define B200 200
#define B300 300
#define B600 600
#define B1200 1200
#define B1800 1800
#define B2400 2400
#define B4800 4800
#define B9600 9600
#define B19200 19200
#define B38400 38400
#define B57600 57600
#define B115200 115200
LEAF(initserial)
.set noat
move AT,ra
#ifdef HAVE_NB_SERIAL
la v0, LS2F_COMA_ADDR
li a0, LS2F_COM_CLK/(16*CONS_BAUD)
bal 1f
nop
la v0, LS2F_COMB_ADDR
li a0, LS2F_COM_CLK/(16*CONS_BAUD)
bal 1f
nop
#endif
#ifdef USE_GPIO_SERIAL
li v0, 0xbfe0011c //init led light
lw v1, 4(v0)
or v1, 0xf
xor v1,0x3
sw v1, 4(v0)
#endif
jr AT
nop
1:
li v1, FIFO_ENABLE|FIFO_RCV_RST|FIFO_XMT_RST|FIFO_TRIGGER_4
sb v1, NSREG(NS16550_FIFO)(v0)
li v1, CFCR_DLAB
sb v1, NSREG(NS16550_CFCR)(v0)
sb a0, NSREG(NS16550_DATA)(v0)
srl a0, 8
sb a0, NSREG(NS16550_IER)(v0)
li v1, CFCR_8BITS
sb v1, NSREG(NS16550_CFCR)(v0)
// li v1, MCR_DTR|MCR_RTS
li v1, 0x0
sb v1, NSREG(NS16550_MCR)(v0)
li v1, 0x0
sb v1, NSREG(NS16550_IER)(v0)
.set noat
j ra
nop
.set at
END(initserial)
#include "i2c_firewall.S"
__main:
j ra
nop
.rdata
transmit_pat_msg:
.asciz "\r\nInvalid transmit pattern. Must be DDDD or DDxDDx\r\n"
v200_msg:
.asciz "\r\nPANIC! Unexpected TLB refill exception!\r\n"
v280_msg:
.asciz "\r\nPANIC! Unexpected XTLB refill exception!\r\n"
v380_msg:
.asciz "\r\nPANIC! Unexpected General exception!\r\n"
v400_msg:
.asciz "\r\nPANIC! Unexpected Interrupt exception!\r\n"
hexchar:
.ascii "0123456789abcdef"
.text
.align 2
/*
* I2C Functions used in early startup code to get SPD info from
* SDRAM modules. This code must be entirely PIC and RAM independent.
*/
/* Delay macro */
#define DELAY(count) \
li v0, count; \
99: \
bnz vo, 99b;\
addiu v0, -1
#define I2C_INT_ENABLE 0x80
#define I2C_ENABLE 0x40
#define I2C_ACK 0x04
#define I2C_INT_FLAG 0x08
#define I2C_STOP_BIT 0x10
#define I2C_START_BIT 0x20
#define I2C_AMOD_RD 0x01
#define BUS_ERROR 0x00
#define START_CONDITION_TRA 0x08
#define RSTART_CONDITION_TRA 0x10
#define ADDR_AND_WRITE_BIT_TRA_ACK_REC 0x18
#define ADDR_AND_READ_BIT_TRA_ACK_REC 0x40
#define SLAVE_REC_WRITE_DATA_ACK_TRA 0x28
#define MAS_REC_READ_DATA_ACK_NOT_TRA 0x58
#define Index_Store_Tag_D 0x09
#define Index_Invalidate_I 0x00
#define Index_Writeback_Inv_D 0x01
#define Index_Store_Tag_S 0x0b
#define Index_Writeback_Inv_S 0x03
LEAF(nullfunction)
jr ra
nop
END(nullfunction)
LEAF(godson2_cache_init)
####part 2####
cache_detect_2way:
mfc0 t4, CP0_CONFIG
andi t5, t4, 0x0e00
srl t5, t5, 9
andi t6, t4, 0x01c0
srl t6, t6, 6
addiu t6, t6, 12
addiu t5, t5, 12
addiu t4, $0, 1
sllv t6, t4, t6
srl t6,2
sllv t5, t4, t5
srl t5,2
addiu t7, $0, 2
####part 3####
lui a0, 0x8000
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
addu v1, a0, a2
1: slt a3, v0, v1
beq a3, $0, 1f
nop
mtc0 $0, CP0_TAGLO
cache Index_Store_Tag_D, 0x0(v0)
mtc0 $0, CP0_TAGLO
cache Index_Store_Tag_D, 0x1(v0)
mtc0 $0, CP0_TAGLO
cache Index_Store_Tag_D, 0x2(v0)
mtc0 $0, CP0_TAGLO
cache Index_Store_Tag_D, 0x3(v0)
beq $0, $0, 1b
addiu v0, v0, 0x20
#if 1
1:
cache_init_l24way:
mtc0 $0, CP0_TAGHI
addu v0, $0, a0
addu v1, a0, 128*1024
1: slt a3, v0, v1
beq a3, $0, 1f
nop
mtc0 $0, CP0_TAGLO
cache Index_Store_Tag_S, 0x0(v0)
mtc0 $0, CP0_TAGLO
cache Index_Store_Tag_S, 0x1(v0)
mtc0 $0, CP0_TAGLO
cache Index_Store_Tag_S, 0x2(v0)
mtc0 $0, CP0_TAGLO
cache Index_Store_Tag_S, 0x3(v0)
beq $0, $0, 1b
addiu v0, v0, 0x20
1:
cache_flush_4way:
addu v0, $0, a0
addu v1, a0, 128*1024
1: slt a3, v0, v1
beq a3, $0, 1f
nop
cache Index_Writeback_Inv_S, 0x0(v0)
cache Index_Writeback_Inv_S, 0x1(v0)
cache Index_Writeback_Inv_S, 0x2(v0)
cache Index_Writeback_Inv_S, 0x3(v0)
beq $0, $0, 1b
addiu v0, v0, 0x20
# endif
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)
# cache Index_Invalidate_I, 0x1(v0)
# cache Index_Invalidate_I, 0x2(v0)
# cache Index_Invalidate_I, 0x3(v0)
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)
cache Index_Writeback_Inv_D, 0x1(v0)
cache Index_Writeback_Inv_D, 0x2(v0)
cache Index_Writeback_Inv_D, 0x3(v0)
beq $0, $0, 1b
addiu v0, v0, 0x20
1:
cache_init_finish:
nop
jr ra
nop
cache_init_panic:
TTYDBG("cache init panic\r\n");
1: b 1b
nop
.end godson2_cache_init
#define PCICONF_WRITEB(dev,func,reg,data) \
li a0,CFGADDR(dev,func,reg); \
li a1,PHYS_TO_UNCACHED(PCI_CFG_SPACE); \
and a2,a0,0xffff; \
or a1,a2; \
srl a0,16; \
li a2,BONITO_BASE+BONITO_PCIMAP_CFG; \
sw a0,BONITO_PCIMAP_CFG(bonito); \
lw zero,BONITO_PCIMAP_CFG(bonito); \
or a0,zero,data; \
sb a0,(a1);
#define PCICONF_WRITEW(dev,func,reg,data) \
li a0,CFGADDR(dev,func,reg); \
li a1,PHYS_TO_UNCACHED(PCI_CFG_SPACE); \
and a2,a0,0xffff; \
or a1,a2; \
srl a0,16; \
li a2,BONITO_BASE+BONITO_PCIMAP_CFG; \
sw a0,BONITO_PCIMAP_CFG(bonito); \
lw zero,BONITO_PCIMAP_CFG(bonito); \
or a0,zero,data; \
sw a0,(a1);
#define PCICONF_ORB(dev,func,reg,data) \
li a0,CFGADDR(dev,func,reg); \
li a1,PHYS_TO_UNCACHED(PCI_CFG_SPACE); \
and a2,a0,0xffff; \
or a1,a2; \
srl a0,16; \
li a2,BONITO_BASE+BONITO_PCIMAP_CFG; \
sw a0,BONITO_PCIMAP_CFG(bonito); \
lw zero,BONITO_PCIMAP_CFG(bonito); \
lbu a2,(a1); \
ori a2,data; \
sw a0,BONITO_PCIMAP_CFG(bonito); \
lw zero,BONITO_PCIMAP_CFG(bonito); \
sb a2,(a1);
#define SUPERIO_WR(idx,data) \
li v0,BONITO_PCIIO_BASE_VA+0x3f0; \
or v1,zero,idx; \
sb v1,(v0); \
or v1,zero,data; \
sb v1,1(v0);
#define E2_EPP 2
#define E2_S1 (1<<2)
#define E2_S2 (1<<3)
#define E2_FLOPPY (1<<4)
LEAF(superio_init)
PCICONF_WRITEW(PCI_IDSEL_ATP8260,0,4,0);
PCICONF_WRITEW(PCI_IDSEL_ATP8260,0,0x10,0x4000);
PCICONF_WRITEW(PCI_IDSEL_ATP8260,0,4,7);
jr ra
nop
END(superio_init)
#if 0
LEAF(i2cread)
move a2,a0
//make sure transfer complete
1: li v0,I2CREG_ADDR
lw v1,0(v0)
nop
andi v1,v1,0x1
bnez v1,1b
nop
//i2c start and send slave addr
andi a0,a0,0xff
sll a0,a0,8
ori a0,a0,(I2C_WR|I2C_START|I2C_NACK)
sw a0,0(v0)
nop
//make sure transfer complete
1: li v0,I2CREG_ADDR
lw v1,0(v0)
nop
andi v1,v1,0x1
bnez v1,1b
nop
//send sub address(offset)
andi a1,a1,0xff
sll a1,a1,8
ori a1,a1,(I2C_WR|I2C_NACK)
sw a1,0(v0)
nop
//make sure transfer complete
1: li v0,I2CREG_ADDR
lw v1,0(v0)
nop
andi v1,v1,0x1
bnez v1,1b
nop
//restart i2c
move a0,a2
andi a0,a0,0xff
addiu a0,a0,0x1 //read bit
sll a0,a0,8
ori a0,a0,(I2C_WR|I2C_START|I2C_NACK)
sw a0,0(v0)
nop
//make sure transfer complete
1: li v0,I2CREG_ADDR
lw v1,0(v0)
nop
andi v1,v1,0x1
bnez v1,1b
nop
//recieve data
lw v1,0(v0)
nop
srl v1,v1,16
andi v1,v1,0xff
move v0,v1
//i2c stop
li a3,I2C_STOP
li v1,I2CREG_ADDR
sw a3,0(v1)
nop
END(i2cread)
#endif
#######################################
#define REG_ADDRESS 0x0
#define CONFIG_BASE 0xaffffe00
.global ddr2_config
.set noreorder
.set mips3
ddr2_config:
#ifdef __MYDEBUG__
la t0, ddr2_reg_data
bal tgt_testchar
nop
beqz v0,1f
nop
bal tgt_getchar
nop
bal tgt_getchar
nop
bal tgt_getchar
nop
bal tgt_getchar
nop
bal tgt_getchar
nop
bal tgt_getchar
nop
bal tgt_getchar
nop
bal tgt_getchar
nop
li v1,'X'
bne v0,v1,1f
nop
PRINTSTR("use backup data for ddr cfg\r\n");
la t0, ddr2_reg_data1
1:
#endif
addu t0, t0, s0
li t1, 0x1d
li t2, CONFIG_BASE
reg_write:
ld a1, 0x0(t0)
sd a1, REG_ADDRESS(t2)
subu t1, t1, 0x1
addiu t0, t0, 0x8
bne t1, $0, reg_write
addiu t2, t2, 0x10
//----------------
#if 1
#include "i2ccfgddr.S"
#else
li msize,0x10000000
#endif
//----------------
#ifdef __MYDEBUG__
bal tgt_testchar
nop
beqz v0,2f
nop
bal tgt_getchar
nop
bal tgt_getchar
nop
li v1,'Y'
bne v0,v1,2f
nop
1:
PRINTSTR("press x to begin debug,then Q to quit\r\n");
nop
bal tgt_getchar
nop
li v1,'x'
bne v0,v1,1b
nop
bal mydebug_main
nop
2:
#endif
############start##########
//PRINTSTR("start\n\r");
li t2, CONFIG_BASE
la t0,DDR2_CTL_start_DATA_LO
#la t0,ddr2_start_reg
addu t0, t0, s0
ld a1, 0x0(t0)
sd a1, 0x30(t2)
b ddr2_config_done
nop
jr ra
nop
/*
.????CS??????
?????????? 75ohm (rtt_pad_termination)
DIMM???? 150 ohm (rtt_0), ????д??odt_wr_map_cs0 ??Ϊ 1
???? odt_rd_map_cs0 ??Ϊ 0
2.????CS??????
?????????? 150ohm
DIMM ???? 75 ohm, д?? odt_wr_map_cs0 ??Ϊ 0x02, odt_wr_map_cs1 ??Ϊ 0x01
???? odt_rd_map_cs0 ??Ϊ 0x02, odt_rd_map_cs1 ??Ϊ 0x01
*/
//57:56=RTT_0 0/75/150/50ohm ODT
#ifndef DDR2_CTL_04_DATA_HI_VAL
#define DDR2_CTL_04_DATA_HI_VAL 0x01000202
#endif
//26:24=14-COLUMN_SIZE 10:8=15-ADDR_PINS 1:0=RTT_PAD_TERMINATION CPU ODT
#ifndef DDR2_CTL_05_DATA_LO_VAL
#ifdef DEVBD2F_SM502
#define DDR2_CTL_05_DATA_LO_VAL 0x04050202
#else
#define DDR2_CTL_05_DATA_LO_VAL 0x04050102
#endif
#endif
//19:16=CS_MAP
#ifndef DDR2_CTL_07_DATA_LO_VAL
#ifdef DEVBD2F_SM502
#define DDR2_CTL_07_DATA_LO_VAL 0x00030a0b
#else
#define DDR2_CTL_07_DATA_LO_VAL 0x000f0a0b
#endif
#endif
//27:24=ODT_RD_MAP_CS3 19:16=ODT_RD_MAP_CS2 11:8=ODT_RD_MAP_CS1 3:0=ODT_RD_MAP_CS0
#ifndef DDR2_CTL_08_DATA_LO_VAL
#ifdef DEVBD2F_SM502
#define DDR2_CTL_08_DATA_LO_VAL 0x00000102
#else
#define DDR2_CTL_08_DATA_LO_VAL 0x0f0f0f0f
#endif
#endif
//27:24=ODT_WR_MAP_CS3 19:16=ODT_WR_MAP_CS2 11:8=ODT_WR_MAP_CS1 3:0=ODT_WR_MAP_CS0
#ifndef DDR2_CTL_08_DATA_HI_VAL
#ifdef DEVBD2F_SM502
#define DDR2_CTL_08_DATA_HI_VAL 0x00000000
#else
#define DDR2_CTL_08_DATA_HI_VAL 0x0f0f0f0f
#endif
#endif
//62:56=DLL_DQS_DELAY_2 54:48=DLL_DQS_DELAY_1 46:40=DLL_DQS_DELAY_0 37:32=COMMAND_AGE_COUNT
#ifndef DDR2_CTL_10_DATA_HI_VAL
#define DDR2_CTL_10_DATA_HI_VAL 0x2323234e
#endif
//30:24=DLL_DQS_DELAY_6 22:16=DLL_DQS_DELAY_5 14:8=DLL_DQS_DELAY_4 6:0=DLL_DQS_DELAY_3
#ifndef DDR2_CTL_11_DATA_LO_VAL
#define DDR2_CTL_11_DATA_LO_VAL 0x23232323
#endif
//62:56=WR_DQS_SHIFT 54:48=DQS_OUT_SHIFT 46:40=DLL_DQS_DELAY_8 38:32=DLL_DQS_DELAY_7
#ifndef DDR2_CTL_11_DATA_HI_VAL
#define DDR2_CTL_11_DATA_HI_VAL 0x6e8e2323
#endif
//0:0=UB_DIMM unbuffered dimm
#ifndef DDR2_CTL_28_DATA_LO_VAL
#ifdef DEVBD2F_SM502
#define DDR2_CTL_28_DATA_LO_VAL 0x00000000
#else
#define DDR2_CTL_28_DATA_LO_VAL 0x00000001
#endif
#endif
.text
.align 5
.global ddr2_reg_data;
ddr2_reg_data:
//0000000_0 arefresh 0000000_1 ap 0000000_1 addr_cmp_en 0000000_1 active_aging
DDR2_CTL_00_DATA_LO: .word 0x00000101
// 0000000_1 ddrii_sdram_mode 0000000_1 concurrentap 0000000_1 bank_split_en 0000000_0 auto_refresh_mode
DDR2_CTL_00_DATA_HI: .word 0x01000100 #no_concurrentap
//DDR2_CTL_00_DATA_HI: .word 0x01010100
//0000000_0 ecc_disable_w_uc_err 0000000_1 dqs_n_en 0000000_0 dll_bypass_mode 0000000_0 dlllockreg
//DDR2_CTL_01_DATA_LO: .word 0x00010100 #dll_by_pass
DDR2_CTL_01_DATA_LO: .word 0x00010000
//0000000_0 fwc 0000000_0 fast_write 0000000_0 enable_quick_srefresh 0000000_0 eight_bank_mode
DDR2_CTL_01_DATA_HI: .word 0x00010000
//0000000_0 no_cmd_init 0000000_0 intrptwritea 0000000_0 intrptreada 0000000_0 intrptapburst
DDR2_CTL_02_DATA_LO: .word 0x00000000
//0000000_1 priority_en 0000000_0 power_down 0000000_1 placement_en 0000000_1 odt_add_turn_clk_en
DDR2_CTL_02_DATA_HI: .word 0x01000101
//0000000_1 rw_same_en 0000000_0 reg_dimm_enable 0000000_0 reduc 0000000_0 pwrup_srefresh_exit
DDR2_CTL_03_DATA_LO: .word 0x01000000
//0000000_1 swap_port_rw_same_en 0000000_1 swap_en 0000000_0 start 0000000_0 srefresh
DDR2_CTL_03_DATA_HI: .word 0x01010000
//0000000_0 write_modereg 0000000_1 writeinterp 0000000_1 tref_enable 0000000_1 tras_lockout
DDR2_CTL_04_DATA_LO: .word 0x00010101
//000000_01 rtt_0 000000_00 ctrl_raw 000000_10 axi0_w_priority 000000_10 axi0_r_priority
//000000_01 rtt_0 000000_00 ctrl_raw 000000_10 axi0_w_priority 000000_10 axi0_r_priority
DDR2_CTL_04_DATA_HI: .word DDR2_CTL_04_DATA_HI_VAL
//00000_100 column_size 00000_101 caslat 00000_010 addr_pins 000000_10 rtt_pad_termination
DDR2_CTL_05_DATA_LO: .word DDR2_CTL_05_DATA_LO_VAL
//00000_000 q_fullness 00000_000 port_data_error_type 00000_000 out_of_range_type 00000_000 max_cs_reg
DDR2_CTL_05_DATA_HI: .word 0x00000000
//00000_010 trtp 00000_010 trrd 00000_010 temrs 00000_011 tcke
DDR2_CTL_06_DATA_LO: .word 0x03050203 #800
//0000_1010 aprebit 00000_100 wrlat 00000_010 twtr 00000_100 twr_int
DDR2_CTL_06_DATA_HI: .word 0x0a040306 #800
//0000_0000 ecc_c_id 0000_1111 cs_map 0000_0111 caslat_lin_gate 0000_1010 caslat_lin
DDR2_CTL_07_DATA_LO: .word DDR2_CTL_07_DATA_LO_VAL
//0000_0000 max_row_reg 0000_0000 max_col_reg 0000_0010 initaref 0000_0000 ecc_u_id
DDR2_CTL_07_DATA_HI: .word 0x00000400
//0000_0001 odt_rd_map_cs3 0000_0010 odt_rd_map_cs2 0000_0100 odt_rd_map_cs1 0000_1000 odt_rd_map_cs0
DDR2_CTL_08_DATA_LO: .word DDR2_CTL_08_DATA_LO_VAL
//0000_0001 odt_wr_map_cs3 0000_0010 odt_wr_map_cs2 0000_0100 odt_wr_map_cs1 0000_1000 odt_wr_map_cs0
DDR2_CTL_08_DATA_HI: .word DDR2_CTL_08_DATA_HI_VAL
//0000_0000 port_data_error_id 0000_0000 port_cmd_error_type 0000_0000 port_cmd_error_id 0000_0000 out_of_range_source_id
DDR2_CTL_09_DATA_LO: .word 0x00000000
//000_00000 ocd_adjust_pup_cs_0 000_00000 ocd_adjust_pdn_cs_0 0000_0100 trp 0000_1000 tdal
DDR2_CTL_09_DATA_HI: .word 0x0000060c #800
//00_111111 age_count 000_01111 trc 000_00010 tmrd 000_00000 tfaw
DDR2_CTL_10_DATA_LO: .word 0x3f1a021b #250M
//62:56=dll_dqs_delay_2 54:48=dll_dqs_delay_1 46:40=dll_dqs_delay_0 37:32=command_age_count
DDR2_CTL_10_DATA_HI: .word DDR2_CTL_10_DATA_HI_VAL
//0_0011101 dll_dqs_delay_6 0_0011101 dll_dqs_delay_5 0_0011101 dll_dqs_delay_4 0_0011101 dll_dqs_delay_3
DDR2_CTL_11_DATA_LO: .word DDR2_CTL_11_DATA_LO_VAL
//0_1011111 wr_dqs_shift 0_1111111 dqs_out_shift 0_0011101 dll_dqs_delay_8 0_0011101 dll_dqs_delay_7
DDR2_CTL_11_DATA_HI: .word DDR2_CTL_11_DATA_HI_VAL
//00001011 tras_min 00000000 out_of_range_length 00000000 ecc_u_synd 00000000 ecc_c_synd
DDR2_CTL_12_DATA_LO: .word 0x15000000 #800
//0000000_000101010 dll_dqs_delay_bypass_0 00011100 trfc 00000100 trcd_int
DDR2_CTL_12_DATA_HI: .word 0x002a3c05 #250M
//0000000_000101010 dll_dqs_delay_bypass_2 0000000_000101010 dll_dqs_delay_bypass_1
DDR2_CTL_13_DATA_LO: .word 0x002a002a
//0000000_000101010 dll_dqs_delay_bypass_4 0000000_000101010 dll_dqs_delay_bypass_3
DDR2_CTL_13_DATA_HI: .word 0x002a002a
//0000000_000101010 dll_dqs_delay_bypass_6 0000000_000101010 dll_dqs_delay_bypass_5
DDR2_CTL_14_DATA_LO: .word 0x002a002a
//0000000_000101010 dll_dqs_delay_bypass_8 0000000_000101010 dll_dqs_delay_bypass_7
DDR2_CTL_14_DATA_HI: .word 0x002a002a
//0000000_000000000 dll_lock 0000000_000100100 dll_increment
DDR2_CTL_15_DATA_LO: .word 0x00000004
//0000000_010110100 dqs_out_shift_bypass 0000000_010000111 dll_start_point
DDR2_CTL_15_DATA_HI: .word 0x00b40020
//000000_0000000000 int_ack 0000000_010000111 wr_dqs_shift_bypass
DDR2_CTL_16_DATA_LO: .word 0x00000087
//00000_00000000000 int_status 00000_00000000000 int_mask
DDR2_CTL_16_DATA_HI: .word 0x000007ff #no_interrupt
//0_000000000000000 emrs1_data 00_00100000011011 tref
DDR2_CTL_17_DATA_LO: .word 0x0004101b #800
//0_000000000000000 emrs2_data_1 0_000000000000000 emrs2_data_0
DDR2_CTL_17_DATA_HI: .word 0x00000000
//0_000000000000000 emrs2_data_3 0_000000000000000 emrs2_data_2
DDR2_CTL_18_DATA_LO: .word 0x00000000
//0000000000011100 axi0_en_size_lt_width_instr 0_000000000000000 emrs3_data
DDR2_CTL_18_DATA_HI: .word 0x001c0000
//0000000011001000 tdll 0000000001101011 tcpd
DDR2_CTL_19_DATA_LO: .word 0x00c8006b
//0100100011100001 tras_max 0000000000000010 tpdex
DDR2_CTL_19_DATA_HI: .word 0x68e10002 #800
//0000000011001000 txsr 0000000000011111 txsnr
DDR2_CTL_20_DATA_LO: .word 0x00c8002f #800
//0000000000000000 xor_check_bits 0000000000000000 version
DDR2_CTL_20_DATA_HI: .word 0x00000000
//000000000000000000110110 tinit
DDR2_CTL_21_DATA_LO: .word 0x00030d40 #real
//000_0000000000000000000000000000000000000 ecc_c_addr
DDR2_CTL_21_DATA_HI: .word 0x00000000
//000000000000000000000000000_0000000000000000000000000000000000000 ecc_u_addr
DDR2_CTL_22_DATA_LO: .word 0x00000000
DDR2_CTL_22_DATA_HI: .word 0x00000000
//000000000000000000000000000_0000000000000000000000000000000000000 out_of_range_addr
DDR2_CTL_23_DATA_LO: .word 0x00000000
DDR2_CTL_23_DATA_HI: .word 0x00000000
//000000000000000000000000000_0000000000000000000000000000000000000 port_cmd_error_addr
DDR2_CTL_24_DATA_LO: .word 0x00000000
DDR2_CTL_24_DATA_HI: .word 0x00000000
//0000000000000000000000000000000000000000000000000000000000000000 ecc_c_data
DDR2_CTL_25_DATA_LO: .word 0x00000000
DDR2_CTL_25_DATA_HI: .word 0x00000000
//0000000000000000000000000000000000000000000000000000000000000000 ecc_u_data
DDR2_CTL_26_DATA_LO: .word 0x00000000
DDR2_CTL_26_DATA_HI: .word 0x00000000
//0000000000000000000000000000000000000000000000000000000000000000
DDR2_CTL_27_DATA_LO: .word 0x00000000
DDR2_CTL_27_DATA_HI: .word 0x00000000
//0000000000000000000000000000000000000000000000000000000000000000
DDR2_CTL_28_DATA_LO: .word DDR2_CTL_28_DATA_LO_VAL
DDR2_CTL_28_DATA_HI: .word 0x00000000
//0000000_1 rw_same_en 0000000_0 reg_dimm_enable 0000000_0 reduc 0000000_0 pwrup_srefresh_exit
DDR2_CTL_start_DATA_LO: .word 0x01000000
//0000000_1 swap_port_rw_same_en 0000000_1 swap_en 0000000_0 start 0000000_0 srefresh
DDR2_CTL_start_DATA_HI: .word 0x01010100
.rdata
.align 5
.global ddr2_reg_data1;
ddr2_reg_data1:
//0000000_0 arefresh 0000000_1 ap 0000000_1 addr_cmp_en 0000000_1 active_aging
DDR2_CTL_00_DATA_LO_1: .word 0x00000101
// 0000000_1 ddrii_sdram_mode 0000000_1 concurrentap 0000000_1 bank_split_en 0000000_0 auto_refresh_mode
DDR2_CTL_00_DATA_HI_1: .word 0x01000100 #no_concurrentap
//DDR2_CTL_00_DATA_HI_1: .word 0x01010100
//0000000_0 ecc_disable_w_uc_err 0000000_1 dqs_n_en 0000000_0 dll_bypass_mode 0000000_0 dlllockreg
//DDR2_CTL_01_DATA_LO_1: .word 0x00010100 #dll_by_pass
DDR2_CTL_01_DATA_LO_1: .word 0x00010000
//0000000_0 fwc 0000000_0 fast_write 0000000_0 enable_quick_srefresh 0000000_0 eight_bank_mode
DDR2_CTL_01_DATA_HI_1: .word 0x00010000
//0000000_0 no_cmd_init 0000000_0 intrptwritea 0000000_0 intrptreada 0000000_0 intrptapburst
DDR2_CTL_02_DATA_LO_1: .word 0x00000000
//0000000_1 priority_en 0000000_0 power_down 0000000_1 placement_en 0000000_1 odt_add_turn_clk_en
DDR2_CTL_02_DATA_HI_1: .word 0x01000101
//0000000_1 rw_same_en 0000000_0 reg_dimm_enable 0000000_0 reduc 0000000_0 pwrup_srefresh_exit
DDR2_CTL_03_DATA_LO_1: .word 0x01000000
//0000000_1 swap_port_rw_same_en 0000000_1 swap_en 0000000_0 start 0000000_0 srefresh
DDR2_CTL_03_DATA_HI_1: .word 0x01010000
//0000000_0 write_modereg 0000000_1 writeinterp 0000000_1 tref_enable 0000000_1 tras_lockout
DDR2_CTL_04_DATA_LO_1: .word 0x00010101
//000000_01 rtt_0 000000_00 ctrl_raw 000000_10 axi0_w_priority 000000_10 axi0_r_priority
DDR2_CTL_04_DATA_HI_1: .word DDR2_CTL_04_DATA_HI_VAL
//00000_100 column_size 00000_101 caslat 00000_010 addr_pins 000000_10 rtt_pad_termination
DDR2_CTL_05_DATA_LO_1: .word DDR2_CTL_05_DATA_LO_VAL
//00000_000 q_fullness 00000_000 port_data_error_type 00000_000 out_of_range_type 00000_000 max_cs_reg
DDR2_CTL_05_DATA_HI_1: .word 0x00000000
//00000_010 trtp 00000_010 trrd 00000_010 temrs 00000_011 tcke
DDR2_CTL_06_DATA_LO_1: .word 0x03050203 #800
//0000_1010 aprebit 00000_100 wrlat 00000_010 twtr 00000_100 twr_int
DDR2_CTL_06_DATA_HI_1: .word 0x0a040306 #800
//0000_0000 ecc_c_id 0000_1111 cs_map 0000_0111 caslat_lin_gate 0000_1010 caslat_lin
DDR2_CTL_07_DATA_LO_1: .word DDR2_CTL_07_DATA_LO_VAL
//0000_0000 max_row_reg 0000_0000 max_col_reg 0000_0010 initaref 0000_0000 ecc_u_id
DDR2_CTL_07_DATA_HI_1: .word 0x00000400 #800
//0000_0001 odt_rd_map_cs3 0000_0010 odt_rd_map_cs2 0000_0100 odt_rd_map_cs1 0000_1000 odt_rd_map_cs0
DDR2_CTL_08_DATA_LO_1: .word DDR2_CTL_08_DATA_LO_VAL
//0000_0001 odt_wr_map_cs3 0000_0010 odt_wr_map_cs2 0000_0100 odt_wr_map_cs1 0000_1000 odt_wr_map_cs0
DDR2_CTL_08_DATA_HI_1: .word DDR2_CTL_08_DATA_HI_VAL
//0000_0000 port_data_error_id 0000_0000 port_cmd_error_type 0000_0000 port_cmd_error_id 0000_0000 out_of_range_source_id
DDR2_CTL_09_DATA_LO_1: .word 0x00000000
//000_00000 ocd_adjust_pup_cs_0 000_00000 ocd_adjust_pdn_cs_0 0000_0100 trp 0000_1000 tdal
DDR2_CTL_09_DATA_HI_1: .word 0x0000060c #800
//00_111111 age_count 000_01111 trc 000_00010 tmrd 000_00000 tfaw
DDR2_CTL_10_DATA_LO_1: .word 0x3f1a021b #250M
//0_0011101 dll_dqs_delay_2 0_0011101 dll_dqs_delay_1 0_0011101 dll_dqs_delay_0 00_111111 command_age_count
DDR2_CTL_10_DATA_HI_1: .word DDR2_CTL_10_DATA_HI_VAL
//0_0011101 dll_dqs_delay_6 0_0011101 dll_dqs_delay_5 0_0011101 dll_dqs_delay_4 0_0011101 dll_dqs_delay_3
DDR2_CTL_11_DATA_LO_1: .word DDR2_CTL_11_DATA_LO_VAL
//0_1011111 wr_dqs_shift 0_1111111 dqs_out_shift 0_0011101 dll_dqs_delay_8 0_0011101 dll_dqs_delay_7
DDR2_CTL_11_DATA_HI_1: .word DDR2_CTL_11_DATA_HI_VAL
//00001011 tras_min 00000000 out_of_range_length 00000000 ecc_u_synd 00000000 ecc_c_synd
DDR2_CTL_12_DATA_LO_1: .word 0x15000000 #800
//0000000_000101010 dll_dqs_delay_bypass_0 00011100 trfc 00000100 trcd_int
DDR2_CTL_12_DATA_HI_1: .word 0x002a3c05 #250M
//0000000_000101010 dll_dqs_delay_bypass_2 0000000_000101010 dll_dqs_delay_bypass_1
DDR2_CTL_13_DATA_LO_1: .word 0x002a002a
//0000000_000101010 dll_dqs_delay_bypass_4 0000000_000101010 dll_dqs_delay_bypass_3
DDR2_CTL_13_DATA_HI_1: .word 0x002a002a
//0000000_000101010 dll_dqs_delay_bypass_6 0000000_000101010 dll_dqs_delay_bypass_5
DDR2_CTL_14_DATA_LO_1: .word 0x002a002a
//0000000_000101010 dll_dqs_delay_bypass_8 0000000_000101010 dll_dqs_delay_bypass_7
DDR2_CTL_14_DATA_HI_1: .word 0x002a002a
//0000000_000000000 dll_lock 0000000_000100100 dll_increment
DDR2_CTL_15_DATA_LO_1: .word 0x00000004
//0000000_010110100 dqs_out_shift_bypass 0000000_010000111 dll_start_point
DDR2_CTL_15_DATA_HI_1: .word 0x00b40020
//000000_0000000000 int_ack 0000000_010000111 wr_dqs_shift_bypass
DDR2_CTL_16_DATA_LO_1: .word 0x00000087
//00000_00000000000 int_status 00000_00000000000 int_mask
DDR2_CTL_16_DATA_HI_1: .word 0x000007ff #no_interrupt
//0_000000000000000 emrs1_data 00_00100000011011 tref
DDR2_CTL_17_DATA_LO_1: .word 0x0004101b #800
//0_000000000000000 emrs2_data_1 0_000000000000000 emrs2_data_0
DDR2_CTL_17_DATA_HI_1: .word 0x00000000
//0_000000000000000 emrs2_data_3 0_000000000000000 emrs2_data_2
DDR2_CTL_18_DATA_LO_1: .word 0x00000000
//0000000000011100 axi0_en_size_lt_width_instr 0_000000000000000 emrs3_data
DDR2_CTL_18_DATA_HI_1: .word 0x001c0000
//0000000011001000 tdll 0000000001101011 tcpd
DDR2_CTL_19_DATA_LO_1: .word 0x00c8006b
//0100100011100001 tras_max 0000000000000010 tpdex
DDR2_CTL_19_DATA_HI_1: .word 0x68e10002 #800
//0000000011001000 txsr 0000000000011111 txsnr
DDR2_CTL_20_DATA_LO_1: .word 0x00c8002f #800
//0000000000000000 xor_check_bits 0000000000000000 version
DDR2_CTL_20_DATA_HI_1: .word 0x00000000
//000000000000000000110110 tinit
DDR2_CTL_21_DATA_LO_1: .word 0x00030d40 #real
//000_0000000000000000000000000000000000000 ecc_c_addr
DDR2_CTL_21_DATA_HI_1: .word 0x00000000
//000000000000000000000000000_0000000000000000000000000000000000000 ecc_u_addr
DDR2_CTL_22_DATA_LO_1: .word 0x00000000
DDR2_CTL_22_DATA_HI_1: .word 0x00000000
//000000000000000000000000000_0000000000000000000000000000000000000 out_of_range_addr
DDR2_CTL_23_DATA_LO_1: .word 0x00000000
DDR2_CTL_23_DATA_HI_1: .word 0x00000000
//000000000000000000000000000_0000000000000000000000000000000000000 port_cmd_error_addr
DDR2_CTL_24_DATA_LO_1: .word 0x00000000
DDR2_CTL_24_DATA_HI_1: .word 0x00000000
//0000000000000000000000000000000000000000000000000000000000000000 ecc_c_data
DDR2_CTL_25_DATA_LO_1: .word 0x00000000
DDR2_CTL_25_DATA_HI_1: .word 0x00000000
//0000000000000000000000000000000000000000000000000000000000000000 ecc_u_data
DDR2_CTL_26_DATA_LO_1: .word 0x00000000
DDR2_CTL_26_DATA_HI_1: .word 0x00000000
//0000000000000000000000000000000000000000000000000000000000000000
DDR2_CTL_27_DATA_LO_1: .word 0x00000000
DDR2_CTL_27_DATA_HI_1: .word 0x00000000
//0000000000000000000000000000000000000000000000000000000000000000
DDR2_CTL_28_DATA_LO_1: .word DDR2_CTL_28_DATA_LO_VAL
DDR2_CTL_28_DATA_HI_1: .word 0x00000000
//0000000_1 rw_same_en 0000000_0 reg_dimm_enable 0000000_0 reduc 0000000_0 pwrup_srefresh_exit
DDR2_CTL_start_DATA_LO_1: .word 0x01000000
//0000000_1 swap_port_rw_same_en 0000000_1 swap_en 0000000_0 start 0000000_0 srefresh
DDR2_CTL_start_DATA_HI_1: .word 0x01010100