diff options
| -rw-r--r-- | tcl/board/spear310evb20.cfg | 48 | ||||
| -rw-r--r-- | tcl/board/spear310evb20_mod.cfg | 25 | ||||
| -rw-r--r-- | tcl/chip/st/spear/quirk_no_srst.tcl | 75 | ||||
| -rw-r--r-- | tcl/chip/st/spear/spear310.tcl | 40 | ||||
| -rw-r--r-- | tcl/chip/st/spear/spear3xx.tcl | 79 | ||||
| -rw-r--r-- | tcl/chip/st/spear/spear3xx_ddr.tcl | 120 | ||||
| -rw-r--r-- | tcl/target/spear3xx.cfg | 41 |
7 files changed, 428 insertions, 0 deletions
diff --git a/tcl/board/spear310evb20.cfg b/tcl/board/spear310evb20.cfg new file mode 100644 index 00000000..887e7993 --- /dev/null +++ b/tcl/board/spear310evb20.cfg @@ -0,0 +1,48 @@ +# Configuration for the ST SPEAr310 Evaluation board +# EVALSPEAr310 Rev. 2.0 +# http://www.st.com/spear +# +# Date: 2010-08-17 +# Author: Antonio Borneo <borneo.antonio@gmail.com> + +# The standard board has JTAG SRST not connected. +# This script targets such boards using quirky code to bypass the issue. +# +# Check ST Application Note (FIXME: put reference) on how to fix SRST on +# the board, then use the script board/spear310evb20_mod.cfg + + +source [find mem_helper.tcl] +source [find target/spear3xx.cfg] +source [find chip/st/spear/spear310.tcl] +source [find chip/st/spear/spear3xx_ddr.tcl] +source [find chip/st/spear/spear3xx.tcl] + +arm7_9 dcc_downloads enable +arm7_9 fast_memory_access enable + +# CFI parallel NOR on EMI CS0. 2x 16bit 8M devices = 16Mbyte. +set _FLASHNAME0 $_CHIPNAME.pnor +flash bank $_FLASHNAME0 cfi 0x50000000 0x01000000 2 4 $_TARGETNAME + +if { [info exists BOARD_HAS_SRST] } { + # Modified board has SRST on JTAG connector + reset_config trst_and_srst separate srst_gates_jtag \ + trst_push_pull srst_open_drain +} else { + # Standard board has no SRST on JTAG connector + reset_config trst_only separate srst_gates_jtag trst_push_pull + source [find chip/st/spear/quirk_no_srst.tcl] +} + +$_TARGETNAME configure -event reset-init { spear310evb20_init } + +proc spear310evb20_init {} { + reg pc 0xffff0020 # loop forever + + sp3xx_clock_default + sp3xx_common_init + sp3xx_ddr_init "mt47h64m16_3_333_cl5_async" + sp310_init + sp310_emi_init +} diff --git a/tcl/board/spear310evb20_mod.cfg b/tcl/board/spear310evb20_mod.cfg new file mode 100644 index 00000000..bf62915d --- /dev/null +++ b/tcl/board/spear310evb20_mod.cfg @@ -0,0 +1,25 @@ +# Configuration for the ST SPEAr310 Evaluation board +# EVALSPEAr310 Rev. 2.0, modified to enable SRST on JTAG connector +# http://www.st.com/spear +# +# List of board modifications to enable SRST, as per ST Application Note +# (FIXME: put reference to AN) +# - Modifications on the top layer: +# 1. remove R137 and C57, located near the SMII PHY U18; +# 2. remove R172 and C75, located near the SMII PHY U19; +# 3. remove R207 and C90, located near the SMII PHY U20; +# 4. remove C236, located near the SMII PHY U21; +# 5. remove U12, located near the JTAG connector; +# 6. solder together pins 7, 8 and 9 of U12; +# 7. solder together pins 11, 12, 13, 14, 15, 16, 17 and 18 of U12. +# - Modifications on the bottom layer: +# 8. replace reset chip U11 with a STM6315SDW13F; +# 9. add 0 ohm resistor R329. It is located close to JTAG connector. +# +# Date: 2009-10-31 +# Author: Antonio Borneo <borneo.antonio@gmail.com> + + +# Modified boards has SRST on JTAG connector +set BOARD_HAS_SRST 1 +source [find board/spear310evb20.cfg] diff --git a/tcl/chip/st/spear/quirk_no_srst.tcl b/tcl/chip/st/spear/quirk_no_srst.tcl new file mode 100644 index 00000000..df227642 --- /dev/null +++ b/tcl/chip/st/spear/quirk_no_srst.tcl @@ -0,0 +1,75 @@ +# Quirks to bypass missing SRST on JTAG connector +# EVALSPEAr310 Rev. 2.0 +# http://www.st.com/spear +# +# Date: 2010-08-17 +# Author: Antonio Borneo <borneo.antonio@gmail.com> + +# For boards that have JTAG SRST not connected. +# We use "arm9 vector_catch reset" to catch button reset event. + + +$_TARGETNAME configure -event reset-assert sp_reset_assert +$_TARGETNAME configure -event reset-deassert-post sp_reset_deassert_post + +# keeps the name of the SPEAr target +global sp_target_name +set sp_target_name $_TARGETNAME + +# Keeps the argument of "reset" command (run, init, halt). +global sp_reset_mode +set sp_reset_mode "" + +# Helper procedure. Returns 0 is target is halted. +proc sp_is_halted {} { + global sp_target_name + + return [expr [string compare [$sp_target_name curstate] "halted" ] == 0] +} + +# wait for reset button to be pressed, causing CPU to get halted +proc sp_reset_deassert_post {} { + global sp_reset_mode + + set bar(0) | + set bar(1) / + set bar(2) - + set bar(3) \\ + + poll on + puts "====> Press reset button on the board <====" + for {set i 0} { [sp_is_halted] == 0 } { set i [expr $i + 1]} { + puts -nonewline "$bar([expr $i & 3])\r" + sleep 200 + } + + # Remove catch reset event + arm9 vector_catch none + + # CPU is halted, but we typed "reset run" ... + if { [string compare $sp_reset_mode "run"] == 0 } { + resume + } +} + +# Override reset-assert, since no SRST available +# Catch reset event +proc sp_reset_assert {} { + arm9 vector_catch reset +} + +# Override default init_reset{mode} to catch parameter "mode" +proc init_reset {mode} { + global sp_reset_mode + + set sp_reset_mode $mode + + # We need to detect CPU get halted, so exit from halt + if { [sp_is_halted] } { + echo "Resuming CPU to detect reset" + resume + } + + # Execute default init_reset{mode} + jtag arp_init-reset +} diff --git a/tcl/chip/st/spear/spear310.tcl b/tcl/chip/st/spear/spear310.tcl new file mode 100644 index 00000000..b2c3676e --- /dev/null +++ b/tcl/chip/st/spear/spear310.tcl @@ -0,0 +1,40 @@ +# Specific init scripts for ST SPEAr310 system on chip +# http://www.st.com/spear +# +# Date: 2010-09-23 +# Author: Antonio Borneo <borneo.antonio@gmail.com> + + +proc sp310_init {} { + mww 0xfca80034 0x0000ffff # enable all RAS clocks + mww 0xfca80040 0x00000000 # remove all RAS resets + mww 0xb4000008 0x00002ff4 # RAS function enable + + mww 0xfca8013c 0x2f7bc210 # plgpio_pad_drv + mww 0xfca80140 0x017bdef6 +} + +proc sp310_emi_init {} { + # set EMI pad strength + mmw 0xfca80134 0x0e000000 0x00000000 + mmw 0xfca80138 0x0e739ce7 0x00000000 + mmw 0xfca8013c 0x00039ce7 0x00000000 + + # set safe EMI timing as in BootROM + #mww 0x4f000000 0x0000000f # tAP_0_reg + #mww 0x4f000004 0x00000000 # tSDP_0_reg + #mww 0x4f000008 0x000000ff # tDPw_0_reg + #mww 0x4f00000c 0x00000111 # tDPr_0_reg + #mww 0x4f000010 0x00000002 # tDCS_0_reg + + # set fast EMI timing as in Linux + mww 0x4f000000 0x00000010 # tAP_0_reg + mww 0x4f000004 0x00000005 # tSDP_0_reg + mww 0x4f000008 0x0000000a # tDPw_0_reg + mww 0x4f00000c 0x0000000a # tDPr_0_reg + mww 0x4f000010 0x00000005 # tDCS_0_re + + # 32bit wide, 8/16/32bit access + mww 0x4f000014 0x0000000e # control_0_reg + mww 0x4f000094 0x0000003f # ack_reg +} diff --git a/tcl/chip/st/spear/spear3xx.tcl b/tcl/chip/st/spear/spear3xx.tcl new file mode 100644 index 00000000..ea85d295 --- /dev/null +++ b/tcl/chip/st/spear/spear3xx.tcl @@ -0,0 +1,79 @@ +# Generic init scripts for all ST SPEAr3xx family +# http://www.st.com/spear +# +# Date: 2010-09-23 +# Author: Antonio Borneo <borneo.antonio@gmail.com> + + +# Initialize internal clock +# Default: +# - Crystal = 24 MHz +# - PLL1 = 332 MHz +# - PLL2 = 332 MHz +# - CPU_CLK = 332 MHz +# - DDR_CLK = 332 MHz async +# - HCLK = 166 MHz +# - PCLK = 83 MHz +proc sp3xx_clock_default {} { + mww 0xfca00000 0x00000002 # set sysclk slow + mww 0xfca00014 0x0ffffff8 # set pll timeout to minimum (100us ?!?) + + # DDRCORE disable to change frequency + set val [expr ([mrw 0xfca8002c] & ~0x20000000) | 0x40000000] + mww 0xfca8002c $val + mww 0xfca8002c $val # Yes, write twice! + + # programming PLL1 + mww 0xfca8000c 0xa600010c # M=166 P=1 N=12 + mww 0xfca80008 0x00001c0a # power down + mww 0xfca80008 0x00001c0e # enable + mww 0xfca80008 0x00001c06 # strobe + mww 0xfca80008 0x00001c0e + while { [expr [mrw 0xfca80008] & 0x01] == 0x00 } { sleep 1 } + + # programming PLL2 + mww 0xfca80018 0xa600010c # M=166, P=1, N=12 + mww 0xfca80014 0x00001c0a # power down + mww 0xfca80014 0x00001c0e # enable + mww 0xfca80014 0x00001c06 # strobe + mww 0xfca80014 0x00001c0e + while { [expr [mrw 0xfca80014] & 0x01] == 0x00 } { sleep 1 } + + mww 0xfca80028 0x00000082 # enable plltimeen + mww 0xfca80024 0x00000511 # set hclkdiv="/2" & pclkdiv="/2" + + mww 0xfca00000 0x00000004 # setting SYSCTL to NORMAL mode + while { [expr [mrw 0xfca00000] & 0x20] != 0x20 } { sleep 1 } + + # Select source of DDR clock + #mmw 0xfca80020 0x10000000 0x70000000 ;# PLL1 + mmw 0xfca80020 0x30000000 0x70000000 ;# PLL2 + + # DDRCORE enable after change frequency + mmw 0xfca8002c 0x20000000 0x00000000 +} + +proc sp3xx_common_init {} { + mww 0xfca8002c 0xfffffff8 # enable clock of all peripherals + mww 0xfca80038 0x00000000 # remove reset of all peripherals + + mww 0xfca800e4 0x78000008 # COMP1V8_REG + mww 0xfca800ec 0x78000008 # COMP3V3_REG + + mww 0xfca80050 0x00000001 # Enable clk mem port 1 + + mww 0xfc000000 0x10000f5f # init SMI and set HW mode + mww 0xfc000000 0x00000f5f + + # Initialize Bus Interconnection Matrix + # All ports Round-Robin and lowest priority + mww 0xfca8007c 0x80000007 + mww 0xfca80080 0x80000007 + mww 0xfca80084 0x80000007 + mww 0xfca80088 0x80000007 + mww 0xfca8008c 0x80000007 + mww 0xfca80090 0x80000007 + mww 0xfca80094 0x80000007 + mww 0xfca80098 0x80000007 + mww 0xfca8009c 0x80000007 +} diff --git a/tcl/chip/st/spear/spear3xx_ddr.tcl b/tcl/chip/st/spear/spear3xx_ddr.tcl new file mode 100644 index 00000000..eb1c4b02 --- /dev/null +++ b/tcl/chip/st/spear/spear3xx_ddr.tcl @@ -0,0 +1,120 @@ +# Init scripts to configure DDR controller of SPEAr3xx +# http://www.st.com/spear +# Original values taken from XLoader source code +# +# Date: 2010-09-23 +# Author: Antonio Borneo <borneo.antonio@gmail.com> + + +proc sp3xx_ddr_init {ddr_type} { + if { $ddr_type == "mt47h64m16_3_333_cl5_async" } { + ddr_spr3xx_mt47h64m16_3_333_cl5_async + set ddr_size 0x08000000 + ## add here new DDR chip definition. Prototype: + #} elseif { $ddr_type == "?????" } { + # ????? + # set ddr_size 0x????? + } else { + error "sp3xx_ddr_init: unrecognized DDR type "$ddr_type + } + + # Check for single/double memory chip + # DDR starts at address 0x00000000 + mww $ddr_size 0x87654321 + mww 0x00000000 0x12345678 + if {[expr [mrw 0x00000000] == 0x12345678 && [mrw $ddr_size] == 0x87654321]} { + puts [format \ + "Double chip DDR memory. Total memory size 0x%08x byte" \ + [expr 2 * $ddr_size]] + } else { + puts [format \ + "Single chip DDR memory. Memory size 0x%08x byte" \ + $ddr_size] + } +} + + +# from Xloader file ddr/spr300_mt47h64m16_3_333_cl5_async.S +proc ddr_spr3xx_mt47h64m16_3_333_cl5_async {} { + # DDR_PAD_REG + mww 0xfca800f0 0x00003aa5 + + # Use "1:2 sync" only when DDR clock source is PLL1 and + # HCLK is half of PLL1 + mww 0xfc600000 0x00000001 # MEMCTL_AHB_SET_00 # This is async + mww 0xfc600004 0x00000000 # MEMCTL_AHB_SET_01 +# mww 0xfc600000 0x02020201 # MEMCTL_AHB_SET_00 # This is 1:2 sync +# mww 0xfc600004 0x02020202 # MEMCTL_AHB_SET_01 + + mww 0xfc600008 0x01000000 # MEMCTL_RFSH_SET_00 + mww 0xfc60000c 0x00000101 # MEMCTL_DLL_SET_00 + mww 0xfc600010 0x00000101 # MEMCTL_GP_00 + mww 0xfc600014 0x01000000 # MEMCTL_GP_01 + mww 0xfc600018 0x00010001 # MEMCTL_GP_02 + mww 0xfc60001c 0x00000100 # MEMCTL_GP_03 + mww 0xfc600020 0x00010001 # MEMCTL_GP_04 + mww 0xfc600024 0x01020203 # MEMCTL_GP_05 + mww 0xfc600028 0x01000102 # MEMCTL_GP_06 + mww 0xfc60002c 0x02000202 # MEMCTL_AHB_SET_02 + mww 0xfc600030 0x04040105 # MEMCTL_AHB_SET_03 + mww 0xfc600034 0x03030302 # MEMCTL_AHB_SET_04 + mww 0xfc600038 0x02040101 # MEMCTL_AHB_SET_05 + mww 0xfc60003c 0x00000002 # MEMCTL_AHB_SET_06 + mww 0xfc600044 0x03000405 # MEMCTL_DQS_SET_0 + mww 0xfc600048 0x03040002 # MEMCTL_TIME_SET_01 + mww 0xfc60004c 0x04000305 # MEMCTL_TIME_SET_02 + mww 0xfc600050 0x0505053f # MEMCTL_AHB_RELPR_00 + mww 0xfc600054 0x05050505 # MEMCTL_AHB_RELPR_01 + mww 0xfc600058 0x04040405 # MEMCTL_AHB_RELPR_02 + mww 0xfc60005c 0x04040404 # MEMCTL_AHB_RELPR_03 + mww 0xfc600060 0x03030304 # MEMCTL_AHB_RELPR_04 + mww 0xfc600064 0x03030303 # MEMCTL_AHB_RELPR_05 + mww 0xfc600068 0x02020203 # MEMCTL_AHB_RELPR_06 + mww 0xfc60006c 0x02020202 # MEMCTL_AHB_RELPR_07 + mww 0xfc600070 0x01010102 # MEMCTL_AHB_RELPR_08 + mww 0xfc600074 0x01010101 # MEMCTL_AHB_RELPR_09 + mww 0xfc600078 0x00000001 # MEMCTL_AHB_RELPR_10 + mww 0xfc600088 0x0a0c0a00 # MEMCTL_DQS_SET_1 + mww 0xfc60008c 0x0000023f # MEMCTL_GP_07 + mww 0xfc600090 0x00050a00 # MEMCTL_GP_08 + mww 0xfc600094 0x11000000 # MEMCTL_GP_09 + mww 0xfc600098 0x00001302 # MEMCTL_GP_10 + mww 0xfc60009c 0x00001c1c # MEMCTL_DLL_SET_01 + mww 0xfc6000a0 0x7c000000 # MEMCTL_DQS_OUT_SHIFT + mww 0xfc6000a4 0x005c0000 # MEMCTL_WR_DQS_SHIFT + mww 0xfc6000a8 0x2b050e00 # MEMCTL_TIME_SET_03 + mww 0xfc6000ac 0x00640064 # MEMCTL_AHB_PRRLX_00 + mww 0xfc6000b0 0x00640064 # MEMCTL_AHB_PRRLX_01 + mww 0xfc6000b4 0x00000064 # MEMCTL_AHB_PRRLX_02 + mww 0xfc6000b8 0x00000000 # MEMCTL_OUTRANGE_LGTH + mww 0xfc6000bc 0x00200020 # MEMCTL_AHB_RW_SET_00 + mww 0xfc6000c0 0x00200020 # MEMCTL_AHB_RW_SET_01 + mww 0xfc6000c4 0x00200020 # MEMCTL_AHB_RW_SET_02 + mww 0xfc6000c8 0x00200020 # MEMCTL_AHB_RW_SET_03 + mww 0xfc6000cc 0x00200020 # MEMCTL_AHB_RW_SET_04 + mww 0xfc6000d8 0x00000a24 # MEMCTL_TREF + mww 0xfc6000dc 0x00000000 # MEMCTL_EMRS3_DATA + mww 0xfc6000e0 0x5b1c00c8 # MEMCTL_TIME_SET_04 + mww 0xfc6000e4 0x00c8002e # MEMCTL_TIME_SET_05 + mww 0xfc6000e8 0x00000000 # MEMCTL_VERSION + mww 0xfc6000ec 0x0001046b # MEMCTL_TINIT + mww 0xfc6000f0 0x00000000 # MEMCTL_OUTRANGE_ADDR_01 + mww 0xfc6000f4 0x00000000 # MEMCTL_OUTRANGE_ADDR_02 + mww 0xfc600104 0x001c0000 # MEMCTL_DLL_DQS_DELAY_BYPASS_0 + mww 0xfc600108 0x0019001c # MEMCTL_DLL_SET_02 + mww 0xfc60010c 0x00100000 # MEMCTL_DLL_SET_03 + mww 0xfc600110 0x001e007a # MEMCTL_DQS_SET_2 + mww 0xfc600188 0x00000000 # MEMCTL_USER_DEF_REG_0 + mww 0xfc60018c 0x00000000 # MEMCTL_USER_DEF_REG_1 + mww 0xfc600190 0x01010001 # MEMCTL_GP_11 + mww 0xfc600194 0x01000000 # MEMCTL_GP_12 + mww 0xfc600198 0x00000001 # MEMCTL_GP_13 + mww 0xfc60019c 0x00400000 # MEMCTL_GP_14 + mww 0xfc6001a0 0x00000000 # MEMCTL_EMRS2_DATA_X + mww 0xfc6001a4 0x00000000 # MEMCTL_LWPWR_CNT + mww 0xfc6001a8 0x00000000 # MEMCTL_LWPWR_REG + mww 0xfc6001ac 0x00860000 # MEMCTL_GP_15 + mww 0xfc6001b0 0x00000002 # MEMCTL_TPDEX + # MPMC START + mww 0xfc60001c 0x01000100 +} diff --git a/tcl/target/spear3xx.cfg b/tcl/target/spear3xx.cfg new file mode 100644 index 00000000..ef289e30 --- /dev/null +++ b/tcl/target/spear3xx.cfg @@ -0,0 +1,41 @@ +# Target configuration for the ST SPEAr3xx family of system on chip +# Supported SPEAr300, SPEAr310, SPEAr320 +# http://www.st.com/spear +# +# Processor: ARM926ejs +# Info: JTAG tap: spear3xx.cpu tap/device found: 0x07926041 +# Date: 2009-10-31 +# Author: Antonio Borneo <borneo.antonio@gmail.com> + +if { [info exists CHIPNAME] } { + set _CHIPNAME $CHIPNAME +} else { + set _CHIPNAME spear3xx +} + +if { [info exists ENDIAN] } { + set _ENDIAN $ENDIAN +} else { + set _ENDIAN little +} + +if { [info exists CPUTAPID ] } { + set _CPUTAPID $CPUTAPID +} else { + set _CPUTAPID 0x07926041 +} + +jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x01 -irmask 0x03 \ + -expected-id $_CPUTAPID + +set _TARGETNAME $_CHIPNAME.cpu +target create $_TARGETNAME arm926ejs -endian $_ENDIAN \ + -chain-position $_TARGETNAME + +# SPEAr3xx has a 8K block of sram @ 0xd280.0000 +# REVISIT: what OS puts virtual address equal to phys? +$_TARGETNAME configure \ + -work-area-virt 0xd2800000 \ + -work-area-phys 0xd2800000 \ + -work-area-size 0x2000 \ + -work-area-backup 0 |