|
-
- proc helpC100 {} {
- puts "List of useful functions for C100 processor:"
- puts "1) reset init: will set up your Telo board"
- puts "2) setupNOR: will setup NOR access"
- puts "3) showNOR: will show current NOR config registers for 16-bit, 16MB NOR"
- puts "4) setupGPIO: will setup GPIOs for Telo board"
- puts "5) showGPIO: will show current GPIO config registers"
- puts "6) highGPIO5: will set GPIO5=NOR_addr22=1 to access upper 8MB"
- puts "7) lowGPIO5: will set GPIO5=NOR_addr22=0 to access lower 8MB"
- puts "8) showAmbaClk: will show current config registers for Amba Bus Clock"
- puts "9) setupAmbaClk: will setup Amba Bus Clock=165MHz"
- puts "10) showArmClk: will show current config registers for Arm Bus Clock"
- puts "11) setupArmClk: will setup Amba Bus Clock=450MHz"
- puts "12) ooma_board_detect: will show which version of Telo you have"
- puts "13) setupDDR2: will configure DDR2 controller, you must have PLLs configureg"
- puts "14) showDDR2: will show DDR2 config registers"
- puts "15) showWatchdog: will show current regster config for watchdog"
- puts "16) reboot: will trigger watchdog and reboot Telo (hw reset)"
- puts "17) bootNOR: will boot Telo from NOR"
- puts "18) setupUART0: will configure UART0 for 115200 8N1, PLLs have to be confiured"
- puts "19) putcUART0: will print a character on UART0"
- puts "20) putsUART0: will print a string on UART0"
- puts "21) trainDDR2: will run DDR2 training program"
- puts "22) flashUBOOT: will prgram NOR sectors 0-3 with u-boot.bin"
- }
-
- # mrw,mmw from davinci.cfg
- # mrw: "memory read word", returns value of $reg
- proc mrw {reg} {
- set value ""
- ocd_mem2array value 32 $reg 1
- return $value(0)
- }
-
- # read a 64-bit register (memory mapped)
- proc mr64bit {reg} {
- set value ""
- ocd_mem2array value 32 $reg 2
- return $value
- }
-
-
- # write a 64-bit register (memory mapped)
- proc mw64bit {reg value} {
- set high [expr $value >> 32]
- set low [expr $value & 0xffffffff]
- #puts [format "mw64bit(0x%x): 0x%08x%08x" $reg $high $low]
- mww $reg $low
- mww [expr $reg+4] $high
- }
-
- # mmw: "memory modify word", updates value of $reg
- # $reg <== ((value & ~$clearbits) | $setbits)
- proc mmw {reg setbits clearbits} {
- set old [mrw $reg]
- set new [expr ($old & ~$clearbits) | $setbits]
- mww $reg $new
- }
-
-
- proc showNOR {} {
- puts "This is the current NOR setup"
- 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 ]
-
- puts [format "EX_CSEN_REG (0x%x): 0x%x" $EX_CSEN_REG [mrw $EX_CSEN_REG]]
- puts [format "EX_CS0_SEG_REG (0x%x): 0x%x" $EX_CS0_SEG_REG [mrw $EX_CS0_SEG_REG]]
- puts [format "EX_CS0_CFG_REG (0x%x): 0x%x" $EX_CS0_CFG_REG [mrw $EX_CS0_CFG_REG]]
- puts [format "EX_CS0_TMG1_REG (0x%x): 0x%x" $EX_CS0_TMG1_REG [mrw $EX_CS0_TMG1_REG]]
- puts [format "EX_CS0_TMG2_REG (0x%x): 0x%x" $EX_CS0_TMG2_REG [mrw $EX_CS0_TMG2_REG]]
- puts [format "EX_CS0_TMG3_REG (0x%x): 0x%x" $EX_CS0_TMG3_REG [mrw $EX_CS0_TMG3_REG]]
- puts [format "EX_CLOCK_DIV_REG (0x%x): 0x%x" $EX_CLOCK_DIV_REG [mrw $EX_CLOCK_DIV_REG]]
- puts [format "EX_MFSM_REG (0x%x): 0x%x" $EX_MFSM_REG [mrw $EX_MFSM_REG]]
- puts [format "EX_CSFSM_REG (0x%x): 0x%x" $EX_CSFSM_REG [mrw $EX_CSFSM_REG]]
- puts [format "EX_WRFSM_REG (0x%x): 0x%x" $EX_WRFSM_REG [mrw $EX_WRFSM_REG]]
- puts [format "EX_RDFSM_REG (0x%x): 0x%x" $EX_RDFSM_REG [mrw $EX_RDFSM_REG]]
- }
-
-
-
- proc showGPIO {} {
- puts "This is the current GPIO register setup"
- # GPIO outputs register
- set GPIO_OUTPUT_REG [regs GPIO_OUTPUT_REG]
- # GPIO Output Enable register
- set GPIO_OE_REG [regs GPIO_OE_REG]
- set GPIO_HI_INT_ENABLE_REG [regs GPIO_HI_INT_ENABLE_REG]
- set GPIO_LO_INT_ENABLE_REG [regs GPIO_LO_INT_ENABLE_REG]
- # GPIO input register
- set GPIO_INPUT_REG [regs GPIO_INPUT_REG]
- set APB_ACCESS_WS_REG [regs APB_ACCESS_WS_REG]
- set MUX_CONF_REG [regs MUX_CONF_REG]
- set SYSCONF_REG [regs SYSCONF_REG]
- set GPIO_ARM_ID_REG [regs GPIO_ARM_ID_REG]
- set GPIO_BOOTSTRAP_REG [regs GPIO_BOOTSTRAP_REG]
- set GPIO_LOCK_REG [regs GPIO_LOCK_REG]
- set GPIO_IOCTRL_REG [regs GPIO_IOCTRL_REG]
- set GPIO_DEVID_REG [regs GPIO_DEVID_REG]
-
- puts [format "GPIO_OUTPUT_REG (0x%x): 0x%x" $GPIO_OUTPUT_REG [mrw $GPIO_OUTPUT_REG]]
- puts [format "GPIO_OE_REG (0x%x): 0x%x" $GPIO_OE_REG [mrw $GPIO_OE_REG]]
- puts [format "GPIO_HI_INT_ENABLE_REG(0x%x): 0x%x" $GPIO_HI_INT_ENABLE_REG [mrw $GPIO_HI_INT_ENABLE_REG]]
- puts [format "GPIO_LO_INT_ENABLE_REG(0x%x): 0x%x" $GPIO_LO_INT_ENABLE_REG [mrw $GPIO_LO_INT_ENABLE_REG]]
- puts [format "GPIO_INPUT_REG (0x%x): 0x%x" $GPIO_INPUT_REG [mrw $GPIO_INPUT_REG]]
- puts [format "APB_ACCESS_WS_REG (0x%x): 0x%x" $APB_ACCESS_WS_REG [mrw $APB_ACCESS_WS_REG]]
- puts [format "MUX_CONF_REG (0x%x): 0x%x" $MUX_CONF_REG [mrw $MUX_CONF_REG]]
- puts [format "SYSCONF_REG (0x%x): 0x%x" $SYSCONF_REG [mrw $SYSCONF_REG]]
- puts [format "GPIO_ARM_ID_REG (0x%x): 0x%x" $GPIO_ARM_ID_REG [mrw $GPIO_ARM_ID_REG]]
- puts [format "GPIO_BOOTSTRAP_REG (0x%x): 0x%x" $GPIO_BOOTSTRAP_REG [mrw $GPIO_BOOTSTRAP_REG]]
- puts [format "GPIO_LOCK_REG (0x%x): 0x%x" $GPIO_LOCK_REG [mrw $GPIO_LOCK_REG]]
- puts [format "GPIO_IOCTRL_REG (0x%x): 0x%x" $GPIO_IOCTRL_REG [mrw $GPIO_IOCTRL_REG]]
- puts [format "GPIO_DEVID_REG (0x%x): 0x%x" $GPIO_DEVID_REG [mrw $GPIO_DEVID_REG]]
- }
-
-
-
- # converted from u-boot/cpu/arm1136/comcerto/bsp100.c (HAL_get_amba_clk())
- proc showAmbaClk {} {
- set CFG_REFCLKFREQ [config CFG_REFCLKFREQ]
- set CLKCORE_AHB_CLK_CNTRL [regs CLKCORE_AHB_CLK_CNTRL]
- set PLL_CLK_BYPASS [regs PLL_CLK_BYPASS]
-
- puts [format "CLKCORE_AHB_CLK_CNTRL (0x%x): 0x%x" $CLKCORE_AHB_CLK_CNTRL [mrw $CLKCORE_AHB_CLK_CNTRL]]
- ocd_mem2array value 32 $CLKCORE_AHB_CLK_CNTRL 1
- # see if the PLL is in bypass mode
- set bypass [expr ($value(0) & $PLL_CLK_BYPASS) >> 24 ]
- puts [format "PLL bypass bit: %d" $bypass]
- if {$bypass == 1} {
- puts [format "Amba Clk is set to REFCLK: %d (MHz)" [expr $CFG_REFCLKFREQ/1000000]]
- } else {
- # nope, extract x,y,w and compute the PLL output freq.
- set x [expr ($value(0) & 0x0001F0000) >> 16]
- puts [format "x: %d" $x]
- set y [expr ($value(0) & 0x00000007F)]
- puts [format "y: %d" $y]
- set w [expr ($value(0) & 0x000000300) >> 8]
- puts [format "w: %d" $w]
- puts [format "Amba PLL Clk: %d (MHz)" [expr ($CFG_REFCLKFREQ * $y / (($w + 1) * ($x + 1) * 2))/1000000]]
- }
- }
-
-
- # converted from u-boot/cpu/arm1136/comcerto/bsp100.c (HAL_set_amba_clk())
- # this clock is useb by all peripherals (DDR2, ethernet, ebus, etc)
- proc setupAmbaClk {} {
- set CLKCORE_PLL_STATUS [regs CLKCORE_PLL_STATUS]
- set CLKCORE_AHB_CLK_CNTRL [regs CLKCORE_AHB_CLK_CNTRL]
- set ARM_PLL_BY_CTRL [regs ARM_PLL_BY_CTRL]
- set ARM_AHB_BYP [regs ARM_AHB_BYP]
- set PLL_DISABLE [regs PLL_DISABLE]
- set PLL_CLK_BYPASS [regs PLL_CLK_BYPASS]
- set AHB_PLL_BY_CTRL [regs AHB_PLL_BY_CTRL]
- set DIV_BYPASS [regs DIV_BYPASS]
- set AHBCLK_PLL_LOCK [regs AHBCLK_PLL_LOCK]
- set CFG_REFCLKFREQ [config CFG_REFCLKFREQ]
- set CONFIG_SYS_HZ_CLOCK [config CONFIG_SYS_HZ_CLOCK]
- set w [config w_amba]
- set x [config x_amba]
- set y [config y_amba]
-
- puts [format "Setting Amba PLL to lock to %d MHz" [expr $CONFIG_SYS_HZ_CLOCK/1000000]]
- #puts [format "setupAmbaClk: w= %d" $w]
- #puts [format "setupAmbaClk: x= %d" $x]
- #puts [format "setupAmbaClk: y= %d" $y]
- # set PLL into BYPASS mode using MUX
- mmw $CLKCORE_AHB_CLK_CNTRL $PLL_CLK_BYPASS 0x0
- # do an internal PLL bypass
- mmw $CLKCORE_AHB_CLK_CNTRL $AHB_PLL_BY_CTRL 0x0
- # wait 500us (ARM running @24Mhz -> 12000 cycles => 500us)
- # openocd smallest resolution is 1ms so, wait 1ms
- sleep 1
- # disable the PLL
- mmw $CLKCORE_AHB_CLK_CNTRL $PLL_DISABLE 0x0
- # wait 1ms
- sleep 1
- # enable the PLL
- mmw $CLKCORE_AHB_CLK_CNTRL 0x0 $PLL_DISABLE
- sleep 1
- # set X, W and X
- mmw $CLKCORE_AHB_CLK_CNTRL 0x0 0xFFFFFF
- mmw $CLKCORE_AHB_CLK_CNTRL [expr (($x << 16) + ($w << 8) + $y)] 0x0
- # wait for PLL to lock
- puts "Wating for Amba PLL to lock"
- while {[expr [mrw $CLKCORE_PLL_STATUS] & $AHBCLK_PLL_LOCK] == 0} { sleep 1 }
- # remove the internal PLL bypass
- mmw $CLKCORE_AHB_CLK_CNTRL 0x0 $AHB_PLL_BY_CTRL
- # remove PLL from BYPASS mode using MUX
- mmw $CLKCORE_AHB_CLK_CNTRL 0x0 $PLL_CLK_BYPASS
- }
-
-
- # converted from u-boot/cpu/arm1136/comcerto/bsp100.c (HAL_get_arm_clk())
- proc showArmClk {} {
- set CFG_REFCLKFREQ [config CFG_REFCLKFREQ]
- set CLKCORE_ARM_CLK_CNTRL [regs CLKCORE_ARM_CLK_CNTRL]
- set PLL_CLK_BYPASS [regs PLL_CLK_BYPASS]
-
- puts [format "CLKCORE_ARM_CLK_CNTRL (0x%x): 0x%x" $CLKCORE_ARM_CLK_CNTRL [mrw $CLKCORE_ARM_CLK_CNTRL]]
- ocd_mem2array value 32 $CLKCORE_ARM_CLK_CNTRL 1
- # see if the PLL is in bypass mode
- set bypass [expr ($value(0) & $PLL_CLK_BYPASS) >> 24 ]
- puts [format "PLL bypass bit: %d" $bypass]
- if {$bypass == 1} {
- puts [format "Amba Clk is set to REFCLK: %d (MHz)" [expr $CFG_REFCLKFREQ/1000000]]
- } else {
- # nope, extract x,y,w and compute the PLL output freq.
- set x [expr ($value(0) & 0x0001F0000) >> 16]
- puts [format "x: %d" $x]
- set y [expr ($value(0) & 0x00000007F)]
- puts [format "y: %d" $y]
- set w [expr ($value(0) & 0x000000300) >> 8]
- puts [format "w: %d" $w]
- puts [format "Arm PLL Clk: %d (MHz)" [expr ($CFG_REFCLKFREQ * $y / (($w + 1) * ($x + 1) * 2))/1000000]]
- }
- }
-
- # converted from u-boot/cpu/arm1136/comcerto/bsp100.c (HAL_set_arm_clk())
- # Arm Clock is used by two ARM1136 cores
- proc setupArmClk {} {
- set CLKCORE_PLL_STATUS [regs CLKCORE_PLL_STATUS]
- set CLKCORE_ARM_CLK_CNTRL [regs CLKCORE_ARM_CLK_CNTRL]
- set ARM_PLL_BY_CTRL [regs ARM_PLL_BY_CTRL]
- set ARM_AHB_BYP [regs ARM_AHB_BYP]
- set PLL_DISABLE [regs PLL_DISABLE]
- set PLL_CLK_BYPASS [regs PLL_CLK_BYPASS]
- set AHB_PLL_BY_CTRL [regs AHB_PLL_BY_CTRL]
- set DIV_BYPASS [regs DIV_BYPASS]
- set FCLK_PLL_LOCK [regs FCLK_PLL_LOCK]
- set CFG_REFCLKFREQ [config CFG_REFCLKFREQ]
- set CFG_ARM_CLOCK [config CFG_ARM_CLOCK]
- set w [config w_arm]
- set x [config x_arm]
- set y [config y_arm]
-
- puts [format "Setting Arm PLL to lock to %d MHz" [expr $CFG_ARM_CLOCK/1000000]]
- #puts [format "setupArmClk: w= %d" $w]
- #puts [format "setupArmaClk: x= %d" $x]
- #puts [format "setupArmaClk: y= %d" $y]
- # set PLL into BYPASS mode using MUX
- mmw $CLKCORE_ARM_CLK_CNTRL $PLL_CLK_BYPASS 0x0
- # do an internal PLL bypass
- mmw $CLKCORE_ARM_CLK_CNTRL $ARM_PLL_BY_CTRL 0x0
- # wait 500us (ARM running @24Mhz -> 12000 cycles => 500us)
- # openocd smallest resolution is 1ms so, wait 1ms
- sleep 1
- # disable the PLL
- mmw $CLKCORE_ARM_CLK_CNTRL $PLL_DISABLE 0x0
- # wait 1ms
- sleep 1
- # enable the PLL
- mmw $CLKCORE_ARM_CLK_CNTRL 0x0 $PLL_DISABLE
- sleep 1
- # set X, W and X
- mmw $CLKCORE_ARM_CLK_CNTRL 0x0 0xFFFFFF
- mmw $CLKCORE_ARM_CLK_CNTRL [expr (($x << 16) + ($w << 8) + $y)] 0x0
- # wait for PLL to lock
- puts "Wating for Amba PLL to lock"
- while {[expr [mrw $CLKCORE_PLL_STATUS] & $FCLK_PLL_LOCK] == 0} { sleep 1 }
- # remove the internal PLL bypass
- mmw $CLKCORE_ARM_CLK_CNTRL 0x0 $ARM_PLL_BY_CTRL
- # remove PLL from BYPASS mode using MUX
- mmw $CLKCORE_ARM_CLK_CNTRL 0x0 $PLL_CLK_BYPASS
- }
-
-
-
- proc setupPLL {} {
- puts "PLLs setup"
- setupAmbaClk
- setupArmClk
- }
-
- # converted from u-boot/cpu/arm1136/bsp100.c:SoC_mem_init()
- proc setupDDR2 {} {
- puts "Configuring DDR2"
-
- set MEMORY_BASE_ADDR [regs MEMORY_BASE_ADDR]
- set MEMORY_MAX_ADDR [regs MEMORY_MAX_ADDR]
- set MEMORY_CR [regs MEMORY_CR]
- set BLOCK_RESET_REG [regs BLOCK_RESET_REG]
- set DDR_RST [regs DDR_RST]
-
- # put DDR controller in reset (so that it is reset and correctly configured)
- # this is only necessary if DDR was previously confiured
- # and not reset.
- mmw $BLOCK_RESET_REG 0x0 $DDR_RST
-
- set M [expr 1024 * 1024]
- set DDR_SZ_1024M [expr 1024 * $M]
- set DDR_SZ_256M [expr 256 * $M]
- set DDR_SZ_128M [expr 128 * $M]
- set DDR_SZ_64M [expr 64 * $M]
- # ooma_board_detect returns DDR2 memory size
- set tmp [ooma_board_detect]
- if {$tmp == "128M"} {
- puts "DDR2 size 128MB"
- set ddr_size $DDR_SZ_128M
- } elseif {$tmp == "256M"} {
- puts "DDR2 size 256MB"
- set ddr_size $DDR_SZ_256M
- } else {
- puts "Don't know how to handle this DDR2 size?"
- }
-
- # Memory setup register
- mww $MEMORY_MAX_ADDR [expr ($ddr_size - 1) + $MEMORY_BASE_ADDR]
- # disbale ROM remap
- mww $MEMORY_CR 0x0
- # Take DDR controller out of reset
- mmw $BLOCK_RESET_REG $DDR_RST 0x0
- # min. 20 ops delay
- sleep 1
-
- # This will setup Denali DDR2 controller
- if {$tmp == "128M"} {
- configureDDR2regs_128M
- } elseif {$tmp == "256M"} {
- configureDDR2regs_256B
- } else {
- puts "Don't know how to configure DDR2 setup?"
- }
- }
-
-
-
- proc showDDR2 {} {
-
- 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 tmp [mr64bit $DENALI_CTL_00_DATA]
- puts [format "DENALI_CTL_00_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_00_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_01_DATA]
- puts [format "DENALI_CTL_01_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_01_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_02_DATA]
- puts [format "DENALI_CTL_02_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_02_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_03_DATA]
- puts [format "DENALI_CTL_03_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_03_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_04_DATA]
- puts [format "DENALI_CTL_04_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_04_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_05_DATA]
- puts [format "DENALI_CTL_05_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_05_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_06_DATA]
- puts [format "DENALI_CTL_06_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_06_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_07_DATA]
- puts [format "DENALI_CTL_07_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_07_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_08_DATA]
- puts [format "DENALI_CTL_08_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_08_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_09_DATA]
- puts [format "DENALI_CTL_09_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_09_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_10_DATA]
- puts [format "DENALI_CTL_10_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_10_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_11_DATA]
- puts [format "DENALI_CTL_11_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_11_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_12_DATA]
- puts [format "DENALI_CTL_12_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_12_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_13_DATA]
- puts [format "DENALI_CTL_13_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_13_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_14_DATA]
- puts [format "DENALI_CTL_14_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_14_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_15_DATA]
- puts [format "DENALI_CTL_15_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_15_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_16_DATA]
- puts [format "DENALI_CTL_16_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_16_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_17_DATA]
- puts [format "DENALI_CTL_17_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_17_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_18_DATA]
- puts [format "DENALI_CTL_18_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_18_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_19_DATA]
- puts [format "DENALI_CTL_19_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_19_DATA $tmp(1) $tmp(0)]
- set tmp [mr64bit $DENALI_CTL_20_DATA]
- puts [format "DENALI_CTL_20_DATA (0x%x): 0x%08x%08x" $DENALI_CTL_20_DATA $tmp(1) $tmp(0)]
-
- }
-
- proc initC100 {} {
- # this follows u-boot/cpu/arm1136/start.S
- 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 APB_ACCESS_WS_REG [regs APB_ACCESS_WS_REG]
- set ASA_ARAM_BASEADDR [regs ASA_ARAM_BASEADDR]
- set ASA_ARAM_TC_CR_REG [regs ASA_ARAM_TC_CR_REG]
- set ASA_EBUS_BASEADDR [regs ASA_EBUS_BASEADDR]
- set ASA_EBUS_TC_CR_REG [regs ASA_EBUS_TC_CR_REG]
- set ASA_TC_REQIDMAEN [regs ASA_TC_REQIDMAEN]
- set ASA_TC_REQTDMEN [regs ASA_TC_REQTDMEN]
- set ASA_TC_REQIPSECUSBEN [regs ASA_TC_REQIPSECUSBEN]
- set ASA_TC_REQARM0EN [regs ASA_TC_REQARM0EN]
- set ASA_TC_REQARM1EN [regs ASA_TC_REQARM1EN]
- set ASA_TC_REQMDMAEN [regs ASA_TC_REQMDMAEN]
- set INTC_ARM1_CONTROL_REG [regs INTC_ARM1_CONTROL_REG]
-
-
- # unlock writing to IOCTRL register
- mww $GPIO_LOCK_REG $GPIO_IOCTRL_VAL
- # enable address lines A15-A21
- mmw $GPIO_IOCTRL_REG 0xf 0x0
- # set ARM into supervisor mode (SVC32)
- # disable IRQ, FIQ
- # Do I need this in JTAG mode?
- # it really should be done as 'and ~0x1f | 0xd3 but
- # openocd does not support this yet
- reg cpsr 0xd3
- # /*
- # * flush v4 I/D caches
- # */
- # mov r0, #0
- # mcr p15, 0, r0, c7, c7, 0 /* flush v3/v4 cache */
- arm mcr 15 0 7 7 0 0x0
- # mcr p15, 0, r0, c8, c7, 0 /* flush v4 TLB */
- arm mcr 15 0 8 7 0 0x0
-
- # /*
- # * disable MMU stuff and caches
- # */
- # mrc p15, 0, r0, c1, c0, 0
- arm mrc 15 0 1 0 0
- # bic r0, r0, #0x00002300 @ clear bits 13, 9:8 (--V- --RS)
- # bic r0, r0, #0x00000087 @ clear bits 7, 2:0 (B--- -CAM)
- # orr r0, r0, #0x00000002 @ set bit 2 (A) Align
- # orr r0, r0, #0x00001000 @ set bit 12 (I) I-Cache
- # orr r0, r0, #0x00400000 @ set bit 22 (U)
- # mcr p15, 0, r0, c1, c0, 0
- arm mcr 15 0 1 0 0 0x401002
- # This is from bsp_init() in u-boot/boards/mindspeed/ooma-darwin/board.c
- # APB init
- # // Setting APB Bus Wait states to 1, set post write
- # (*(volatile u32*)(APB_ACCESS_WS_REG)) = 0x40;
- mww [expr $APB_ACCESS_WS_REG] 0x40
- # AHB init
- # // enable all 6 masters for ARAM
- mmw $ASA_ARAM_TC_CR_REG [expr $ASA_TC_REQIDMAEN | $ASA_TC_REQTDMEN | $ASA_TC_REQIPSECUSBEN | $ASA_TC_REQARM0EN | $ASA_TC_REQARM1EN | $ASA_TC_REQMDMAEN] 0x0
- # // enable all 6 masters for EBUS
- mmw $ASA_EBUS_TC_CR_REG [expr $ASA_TC_REQIDMAEN | $ASA_TC_REQTDMEN | $ASA_TC_REQIPSECUSBEN | $ASA_TC_REQARM0EN | $ASA_TC_REQARM1EN | $ASA_TC_REQMDMAEN] 0x0
-
- # ARAM init
- # // disable pipeline mode in ARAM
- # I don't think this is documented anywhere?
- mww $INTC_ARM1_CONTROL_REG 0x1
- # configure clocks
- setupPLL
- # enable cache
- # ? (u-boot does nothing here)
- # DDR2 memory init
- setupDDR2
- setupUART0
- putsUART0 "C100 initialization complete.\n"
- puts "C100 initialization complete."
- }
-
- # show current state of watchdog timer
- proc showWatchdog {} {
- set TIMER_WDT_HIGH_BOUND [regs TIMER_WDT_HIGH_BOUND]
- set TIMER_WDT_CONTROL [regs TIMER_WDT_CONTROL]
- set TIMER_WDT_CURRENT_COUNT [regs TIMER_WDT_CURRENT_COUNT]
-
- puts [format "TIMER_WDT_HIGH_BOUND (0x%x): 0x%x" $TIMER_WDT_HIGH_BOUND [mrw $TIMER_WDT_HIGH_BOUND]]
- puts [format "TIMER_WDT_CONTROL (0x%x): 0x%x" $TIMER_WDT_CONTROL [mrw $TIMER_WDT_CONTROL]]
- puts [format "TIMER_WDT_CURRENT_COUNT (0x%x): 0x%x" $TIMER_WDT_CURRENT_COUNT [mrw $TIMER_WDT_CURRENT_COUNT]]
- }
-
- # converted from u-boot/cpu/arm1136/comcerto/intrrupts.c:void reset_cpu (ulong ignored)
- # this will trigger watchdog reset
- # the sw. reset does not work on C100
- # watchdog reset effectively works as hw. reset
- proc reboot {} {
- set TIMER_WDT_HIGH_BOUND [regs TIMER_WDT_HIGH_BOUND]
- set TIMER_WDT_CONTROL [regs TIMER_WDT_CONTROL]
- set TIMER_WDT_CURRENT_COUNT [regs TIMER_WDT_CURRENT_COUNT]
-
- # allow the counter to count to high value before triggering
- # this is because regsiter writes are slow over JTAG and
- # I don't want to miss the high_bound==curr_count condition
- mww $TIMER_WDT_HIGH_BOUND 0xffffff
- mww $TIMER_WDT_CURRENT_COUNT 0x0
- puts "JTAG speed lowered to 100kHz"
- jtag_khz 100
- mww $TIMER_WDT_CONTROL 0x1
- # wait until the reset
- puts -nonewline "Wating for watchdog to trigger..."
- #while {[mrw $TIMER_WDT_CONTROL] == 1} {
- # puts [format "TIMER_WDT_CURRENT_COUNT (0x%x): 0x%x" $TIMER_WDT_CURRENT_COUNT [mrw $TIMER_WDT_CURRENT_COUNT]]
- # sleep 1
- #
- #}
- while {[c100.cpu curstate] != "running"} { sleep 1}
- puts "done."
- puts [format "Note that C100 is in %s state, type halt to stop" [c100.cpu curstate]]
- }
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