--- /dev/null
+
+# board(-config) specfic parameters file.
+
+# set CFG_REFCLKFREQ [configC100 CFG_REFCLKFREQ]
+proc config {label} {
+ return [dict get [configC100] $label ]
+}
+
+# show the value for the param. with label
+proc showconfig {label} {
+ puts [format "0x%x" [dict get [configC100] $label ]]
+}
+
+# Telo board config
+# when there are more then one board config
+# use soft links to c100board-config.tcl
+# so that only the right board-config gets
+# included (just like include/configs/board-configs.h
+# in u-boot.
+proc configC100 {} {
+ # xtal freq. 24MHz
+ dict set configC100 CFG_REFCLKFREQ 24000000
+
+ # Amba Clk 165MHz
+ dict set configC100 CONFIG_SYS_HZ_CLOCK 165000000
+ dict set configC100 w_amba 1
+ dict set configC100 x_amba 1
+ # y = amba_clk * (w+1)*(x+1)*2/xtal_clk
+ dict set configC100 y_amba [expr ([dict get $configC100 CONFIG_SYS_HZ_CLOCK] * ( ([dict get $configC100 w_amba]+1 ) * ([dict get $configC100 x_amba]+1 ) *2 ) / [dict get $configC100 CFG_REFCLKFREQ]) ]
+
+ # Arm Clk 450MHz, must be a multiple of 25 MHz
+ dict set configC100 CFG_ARM_CLOCK 450000000
+ dict set configC100 w_arm 0
+ dict set configC100 x_arm 1
+ # y = arm_clk * (w+1)*(x+1)*2/xtal_clk
+ dict set configC100 y_arm [expr ([dict get $configC100 CFG_ARM_CLOCK] * ( ([dict get $configC100 w_arm]+1 ) * ([dict get $configC100 x_arm]+1 ) *2 ) / [dict get $configC100 CFG_REFCLKFREQ]) ]
+
+
+}
+
+proc setupNOR {} {
+ puts "Setting up NOR: 16MB, 16-bit wide bus, CS0"
+ # this is taken from u-boot/boards/mindspeed/ooma-darwin/board.c:nor_hw_init()
+ set EX_CSEN_REG [regs EX_CSEN_REG ]
+ set EX_CS0_SEG_REG [regs EX_CS0_SEG_REG ]
+ set EX_CS0_CFG_REG [regs EX_CS0_CFG_REG ]
+ set EX_CS0_TMG1_REG [regs EX_CS0_TMG1_REG ]
+ set EX_CS0_TMG2_REG [regs EX_CS0_TMG2_REG ]
+ set EX_CS0_TMG3_REG [regs EX_CS0_TMG3_REG ]
+ set EX_CLOCK_DIV_REG [regs EX_CLOCK_DIV_REG ]
+ set EX_MFSM_REG [regs EX_MFSM_REG ]
+ set EX_CSFSM_REG [regs EX_CSFSM_REG ]
+ set EX_WRFSM_REG [regs EX_WRFSM_REG ]
+ set EX_RDFSM_REG [regs EX_RDFSM_REG ]
+
+ # enable Expansion Bus Clock + CS0 (NOR)
+ mww $EX_CSEN_REG 0x3
+ # set the address space for CS0=16MB
+ mww $EX_CS0_SEG_REG 0x7ff
+ # set the CS0 bus width to 16-bit
+ mww $EX_CS0_CFG_REG 0x202
+ # set timings to NOR
+ mww $EX_CS0_TMG1_REG 0x03034006
+ mww $EX_CS0_TMG2_REG 0x04040002
+ #mww $EX_CS0_TMG3_REG
+ # set EBUS clock 165/5=33MHz
+ mww $EX_CLOCK_DIV_REG 0x5
+ # everthing else is OK with default
+}
+
+proc bootNOR {} {
+ set EXP_CS0_BASEADDR [regs EXP_CS0_BASEADDR]
+ set BLOCK_RESET_REG [regs BLOCK_RESET_REG]
+ set DDR_RST [regs DDR_RST]
+
+ # put DDR controller in reset (so that it comes reset in u-boot)
+ mmw $BLOCK_RESET_REG 0x0 $DDR_RST
+ # setup CS0 controller for NOR
+ setupNOR
+ # make sure we are accessing the lower part of NOR
+ lowGPIO5
+ # set PC to start of NOR (at boot 0x20000000 = 0x0)
+ reg pc $EXP_CS0_BASEADDR
+ # run
+ resume
+}
+proc setupGPIO {} {
+ puts "Setting up GPIO block for Telo"
+ # This is current setup for Telo (see sch. for details):
+ #GPIO0 reset for FXS-FXO IC, leave as input, the IC has internal pullup
+ #GPIO1 irq line for FXS-FXO
+ #GPIO5 addr22 for NOR flash (access to upper 8MB)
+ #GPIO17 reset for DECT module.
+ #GPIO29 CS_n for NAND
+
+ set GPIO_OUTPUT_REG [regs GPIO_OUTPUT_REG]
+ set GPIO_OE_REG [regs GPIO_OE_REG]
+
+ # set GPIO29=GPIO17=1, GPIO5=0
+ mww $GPIO_OUTPUT_REG [expr 1<<29 | 1<<17]
+ # enable [as output] GPIO29,GPIO17,GPIO5
+ mww $GPIO_OE_REG [expr 1<<29 | 1<<17 | 1<<5]
+}
+
+proc highGPIO5 {} {
+ puts "GPIO5 high"
+ set GPIO_OUTPUT_REG [regs GPIO_OUTPUT_REG]
+ # set GPIO5=1
+ mmw $GPIO_OUTPUT_REG [expr 1 << 5] 0x0
+}
+
+proc lowGPIO5 {} {
+ puts "GPIO5 low"
+ set GPIO_OUTPUT_REG [regs GPIO_OUTPUT_REG]
+ # set GPIO5=0
+ mmw $GPIO_OUTPUT_REG 0x0 [expr 1 << 5]
+}
+
+proc boardID {id} {
+ # so far built:
+ # 4'b1111
+ dict set boardID 15 name "EVT1"
+ dict set boardID 15 ddr2size 128M
+ # dict set boardID 15 nandsize 1G
+ # dict set boardID 15 norsize 16M
+ # 4'b0000
+ dict set boardID 0 name "EVT2"
+ dict set boardID 0 ddr2size 128M
+ # 4'b0001
+ dict set boardID 1 name "EVT3"
+ dict set boardID 1 ddr2size 256M
+ # 4'b1110
+ dict set boardID 14 name "EVT3_old"
+ dict set boardID 14 ddr2size 128M
+ # 4'b0010
+ dict set boardID 2 name "EVT4"
+ dict set boardID 2 ddr2size 256M
+
+ return $boardID
+}
+
+# converted from u-boot/boards/mindspeed/ooma-darwin/board.c:ooma_board_detect()
+# figure out what board revision this is, uses BOOTSTRAP register to read stuffed resistors
+proc ooma_board_detect {} {
+ set GPIO_BOOTSTRAP_REG [regs GPIO_BOOTSTRAP_REG]
+
+ # read the current value of the BOOTSRAP pins
+ set tmp [mrw $GPIO_BOOTSTRAP_REG]
+ puts [format "GPIO_BOOTSTRAP_REG (0x%x): 0x%x" $GPIO_BOOTSTRAP_REG $tmp]
+ # extract the GPBP bits
+ set gpbt [expr ($tmp &0x1C00) >> 10 | ($tmp & 0x40) >>3]
+
+ # display board ID
+ puts [format "This is %s (0x%x)" [dict get [boardID $gpbt] $gpbt name] $gpbt]
+ # return the ddr2 size, used to configure DDR2 on a given board.
+ return [dict get [boardID $gpbt] $gpbt ddr2size]
+}
+
+proc configureDDR2regs_256M {} {
+ puts "ConfigureDDR2regs_256M TBD"
+}
+
+# converted from u-boot/cpu/arm1136/comcerto/bsp100.c:config_board99()
+# The values are computed based on Mindspeed and Nanya datasheets
+proc configureDDR2regs_128M {} {
+
+ set DENALI_CTL_00_DATA [regs DENALI_CTL_00_DATA]
+ set DENALI_CTL_01_DATA [regs DENALI_CTL_01_DATA]
+ set DENALI_CTL_02_DATA [regs DENALI_CTL_02_DATA]
+ set DENALI_CTL_03_DATA [regs DENALI_CTL_03_DATA]
+ set DENALI_CTL_04_DATA [regs DENALI_CTL_04_DATA]
+ set DENALI_CTL_05_DATA [regs DENALI_CTL_05_DATA]
+ set DENALI_CTL_06_DATA [regs DENALI_CTL_06_DATA]
+ set DENALI_CTL_07_DATA [regs DENALI_CTL_07_DATA]
+ set DENALI_CTL_08_DATA [regs DENALI_CTL_08_DATA]
+ set DENALI_CTL_09_DATA [regs DENALI_CTL_09_DATA]
+ set DENALI_CTL_10_DATA [regs DENALI_CTL_10_DATA]
+ set DENALI_CTL_11_DATA [regs DENALI_CTL_11_DATA]
+ set DENALI_CTL_12_DATA [regs DENALI_CTL_12_DATA]
+ set DENALI_CTL_13_DATA [regs DENALI_CTL_13_DATA]
+ set DENALI_CTL_14_DATA [regs DENALI_CTL_14_DATA]
+ set DENALI_CTL_15_DATA [regs DENALI_CTL_15_DATA]
+ set DENALI_CTL_16_DATA [regs DENALI_CTL_16_DATA]
+ set DENALI_CTL_17_DATA [regs DENALI_CTL_17_DATA]
+ set DENALI_CTL_18_DATA [regs DENALI_CTL_18_DATA]
+ set DENALI_CTL_19_DATA [regs DENALI_CTL_19_DATA]
+ set DENALI_CTL_20_DATA [regs DENALI_CTL_20_DATA]
+
+
+ set DENALI_CTL_02_VAL 0x0100010000010100
+ set DENALI_CTL_11_VAL 0x433A42124A650A37
+ # set some default values
+ mw64bit $DENALI_CTL_00_DATA 0x0100000101010101
+ mw64bit $DENALI_CTL_01_DATA 0x0100000100000101
+ mw64bit $DENALI_CTL_02_DATA $DENALI_CTL_02_VAL
+ mw64bit $DENALI_CTL_03_DATA 0x0102020202020201
+ mw64bit $DENALI_CTL_04_DATA 0x0201010100000201
+ mw64bit $DENALI_CTL_05_DATA 0x0203010300010101
+ mw64bit $DENALI_CTL_06_DATA 0x050A020200020202
+ mw64bit $DENALI_CTL_07_DATA 0x000000030E0B0205
+ mw64bit $DENALI_CTL_08_DATA 0x6427003F3F0A0209
+ mw64bit $DENALI_CTL_09_DATA 0x1A00002F00001A00
+ mw64bit $DENALI_CTL_10_DATA 0x01202020201A1A1A
+ mw64bit $DENALI_CTL_11_DATA $DENALI_CTL_11_VAL
+ mw64bit $DENALI_CTL_12_DATA 0x0000080000000800
+ mw64bit $DENALI_CTL_13_DATA 0x0010002000100040
+ mw64bit $DENALI_CTL_14_DATA 0x0010004000100040
+ mw64bit $DENALI_CTL_15_DATA 0x0508000000000000
+ mw64bit $DENALI_CTL_16_DATA 0x000020472D200000
+ mw64bit $DENALI_CTL_17_DATA 0x0000000008000000
+ mw64bit $DENALI_CTL_18_DATA 0x0302000000000000
+ mw64bit $DENALI_CTL_19_DATA 0x00001400C8030604
+ mw64bit $DENALI_CTL_20_DATA 0x00000000823600C8
+
+ set wr_dqs_shift 0x40
+ # start DDRC
+ mw64bit $DENALI_CTL_02_DATA [expr $DENALI_CTL_02_VAL | (1 << 32)]
+ # wait int_status[2] (DRAM init complete)
+ puts -nonewline "Waiting for DDR2 controller to init..."
+ set tmp [mrw [expr $DENALI_CTL_08_DATA + 4]]
+ while { [expr $tmp & 0x040000] == 0 } {
+ sleep 1
+ set tmp [mrw [expr $DENALI_CTL_08_DATA + 4]]
+ }
+ mw64bit $DENALI_CTL_11_DATA [expr ($DENALI_CTL_11_VAL & ~0x00007F0000000000) | ($wr_dqs_shift << 40) ]
+ puts "done."
+
+ # do ddr2 training sequence
+ # TBD (for now, if you need it, run trainDDR command)
+}
+
+
+
+proc setupUART0 {} {
+ # configure UART0 to 115200, 8N1
+ set GPIO_LOCK_REG [regs GPIO_LOCK_REG]
+ set GPIO_IOCTRL_REG [regs GPIO_IOCTRL_REG]
+ set GPIO_IOCTRL_VAL [regs GPIO_IOCTRL_VAL]
+ set GPIO_IOCTRL_UART0 [regs GPIO_IOCTRL_UART0]
+ set UART0_LCR [regs UART0_LCR]
+ set LCR_DLAB [regs LCR_DLAB]
+ set UART0_DLL [regs UART0_DLL]
+ set UART0_DLH [regs UART0_DLH]
+ set UART0_IIR [regs UART0_IIR]
+ set UART0_IER [regs UART0_IER]
+ set LCR_ONE_STOP [regs LCR_ONE_STOP]
+ set LCR_CHAR_LEN_8 [regs LCR_CHAR_LEN_8]
+ set FCR_XMITRES [regs FCR_XMITRES]
+ set FCR_RCVRRES [regs FCR_RCVRRES]
+ set FCR_FIFOEN [regs FCR_FIFOEN]
+ set IER_UUE [regs IER_UUE]
+
+ # unlock writing to IOCTRL register
+ mww $GPIO_LOCK_REG $GPIO_IOCTRL_VAL
+ # enable UART0
+ mmw $GPIO_IOCTRL_REG $GPIO_IOCTRL_UART0 0x0
+ # baudrate 115200
+ # This should really be amba_clk/(16*115200) but amba_clk=165MHz
+ set tmp 89
+ # Enable Divisor Latch access
+ mmw $UART0_LCR $LCR_DLAB 0x0
+ # set the divisor to $tmp
+ mww $UART0_DLL [expr $tmp & 0xff]
+ mww $UART0_DLH [expr $tmp >> 8]
+ # Disable Divisor Latch access
+ mmw $UART0_LCR 0x0 $LCR_DLAB
+ # set the UART to 8N1
+ mmw $UART0_LCR [expr $LCR_ONE_STOP | $LCR_CHAR_LEN_8 ] 0x0
+ # reset FIFO
+ mmw $UART0_IIR [expr $FCR_XMITRES | $FCR_RCVRRES | $FCR_FIFOEN ] 0x0
+ # enable FFUART
+ mww $UART0_IER $IER_UUE
+}
+
+proc putcUART0 {char} {
+
+ set UART0_LSR [regs UART0_LSR]
+ set UART0_THR [regs UART0_THR]
+ set LSR_TEMT [regs LSR_TEMT]
+
+ # convert the 'char' to digit
+ set tmp [ scan $char %c ]
+ # /* wait for room in the tx FIFO on FFUART */
+ while {[expr [mrw $UART0_LSR] & $LSR_TEMT] == 0} { sleep 1 }
+ mww $UART0_THR $tmp
+ if { $char == "\n" } { putcUART0 \r }
+}
+
+proc putsUART0 {str} {
+ set index 0
+ set len [string length $str]
+ while { $index < $len } {
+ putcUART0 [string index $str $index]
+ set index [expr $index + 1]
+ }
+}
+
+
+proc trainDDR2 {} {
+ set ARAM_BASEADDR [regs ARAM_BASEADDR]
+
+ # you must have run 'reset init' or u-boot
+ # load the training code to ARAM
+ load_image ./images/ddr2train.bin $ARAM_BASEADDR bin
+ # set PC to start of NOR (at boot 0x20000000 = 0x0)
+ reg pc $ARAM_BASEADDR
+ # run
+ resume
+}
+
+proc flashUBOOT {} {
+ # this will update uboot on NOR partition
+ set EXP_CS0_BASEADDR [regs EXP_CS0_BASEADDR]
+
+ # setup CS0 controller for NOR
+ setupNOR
+ # make sure we are accessing the lower part of NOR
+ lowGPIO5
+ flash probe 0
+ puts "Erasing sectors 0-3 for uboot"
+ flash erase_sector 0 0 3
+ puts "Programming u-boot, takes about 4-5 min for 256kb"
+ flash write_image ./images/u-boot.bin $EXP_CS0_BASEADDR
+}
\ No newline at end of file
projects / fw / openocd / blobdiff