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|
##################################################################################
# Author: Wjatscheslaw Stoljarski (Slawa) <wjatscheslaw.stoljarski@kiwigrid.com> #
# Kiwigrid GmbH #
##################################################################################
# The IMX53LOCO (QSB) board has a single IMX53 chip
source [find target/imx53.cfg]
# Helper for common memory read/modify/write procedures
source [find mem_helper.tcl]
echo "iMX53 Loco board lodaded."
# Set reset type
#reset_config srst_only
adapter speed 3000
# Slow speed to be sure it will work
jtag_rclk 1000
$_TARGETNAME configure -event "reset-start" { jtag_rclk 1000 }
#jtag_nsrst_delay 200
#jtag_ntrst_delay 200
$_TARGETNAME configure -event "reset-assert" {
echo "Resetting ...."
#cortex_a dbginit
}
$_TARGETNAME configure -event reset-init { loco_init }
global AIPS1_BASE_ADDR
set AIPS1_BASE_ADDR 0x53F00000
global AIPS2_BASE_ADDR
set AIPS2_BASE_ADDR 0x63F00000
proc loco_init { } {
echo "Reset-init..."
; # halt the CPU
halt
echo "HW version [format %x [mrw 0x48]]"
dap apsel 1
DCD
; # ARM errata ID #468414
set tR [arm mrc 15 0 1 0 1]
arm mcr 15 0 1 0 1 [expr $tR | (1<<5)] ; # enable L1NEON bit
init_l2cc
init_aips
init_clock
dap apsel 0
; # Force ARM state
; #reg cpsr 0x000001D3
arm core_state arm
jtag_rclk 3000
# adapter speed 3000
}
# L2CC Cache setup/invalidation/disable
proc init_l2cc { } {
; #/* explicitly disable L2 cache */
; #mrc 15, 0, r0, c1, c0, 1
set tR [arm mrc 15 0 1 0 1]
; #bic r0, r0, #0x2
; #mcr 15, 0, r0, c1, c0, 1
arm mcr 15 0 1 0 1 [expr $tR & ~(1<<2)]
; #/* reconfigure L2 cache aux control reg */
; #mov r0, #0xC0 /* tag RAM */
; #add r0, r0, #0x4 /* data RAM */
; #orr r0, r0, #(1 << 24) /* disable write allocate delay */
; #orr r0, r0, #(1 << 23) /* disable write allocate combine */
; #orr r0, r0, #(1 << 22) /* disable write allocate */
; #mcr 15, 1, r0, c9, c0, 2
arm mcr 15 1 9 0 2 [expr 0xC4 | (1<<24) | (1<<23) | (1<<22)]
}
# AIPS setup - Only setup MPROTx registers.
# The PACR default values are good.
proc init_aips { } {
; # Set all MPROTx to be non-bufferable, trusted for R/W,
; # not forced to user-mode.
global AIPS1_BASE_ADDR
global AIPS2_BASE_ADDR
set VAL 0x77777777
# dap apsel 1
mww [expr $AIPS1_BASE_ADDR + 0x0] $VAL
mww [expr $AIPS1_BASE_ADDR + 0x4] $VAL
mww [expr $AIPS2_BASE_ADDR + 0x0] $VAL
mww [expr $AIPS2_BASE_ADDR + 0x4] $VAL
# dap apsel 0
}
proc init_clock { } {
global AIPS1_BASE_ADDR
global AIPS2_BASE_ADDR
set CCM_BASE_ADDR [expr $AIPS1_BASE_ADDR + 0x000D4000]
set CLKCTL_CCSR 0x0C
set CLKCTL_CBCDR 0x14
set CLKCTL_CBCMR 0x18
set PLL1_BASE_ADDR [expr $AIPS2_BASE_ADDR + 0x00080000]
set PLL2_BASE_ADDR [expr $AIPS2_BASE_ADDR + 0x00084000]
set PLL3_BASE_ADDR [expr $AIPS2_BASE_ADDR + 0x00088000]
set PLL4_BASE_ADDR [expr $AIPS2_BASE_ADDR + 0x0008C000]
set CLKCTL_CSCMR1 0x1C
set CLKCTL_CDHIPR 0x48
set PLATFORM_BASE_ADDR [expr $AIPS2_BASE_ADDR + 0x000A0000]
set CLKCTL_CSCDR1 0x24
set CLKCTL_CCDR 0x04
; # Switch ARM to step clock
mww [expr $CCM_BASE_ADDR + $CLKCTL_CCSR] 0x4
return
echo "not returned"
setup_pll $PLL1_BASE_ADDR 800
setup_pll $PLL3_BASE_ADDR 400
; # Switch peripheral to PLL3
mww [expr $CCM_BASE_ADDR + $CLKCTL_CBCMR] 0x00015154
mww [expr $CCM_BASE_ADDR + $CLKCTL_CBCDR] [expr 0x02888945 | (1<<16)]
while {[mrw [expr $CCM_BASE_ADDR + $CLKCTL_CDHIPR]] != 0} { sleep 1 }
setup_pll $PLL2_BASE_ADDR 400
; # Switch peripheral to PLL2
mww [expr $CCM_BASE_ADDR + $CLKCTL_CBCDR] [expr 0x00808145 | (2<<10) | (9<<16) | (1<<19)]
mww [expr $CCM_BASE_ADDR + $CLKCTL_CBCMR] 0x00016154
; # change uart clk parent to pll2
mww [expr $CCM_BASE_ADDR + $CLKCTL_CSCMR1] [expr [mrw [expr $CCM_BASE_ADDR + $CLKCTL_CSCMR1]] & 0xfcffffff | 0x01000000]
; # make sure change is effective
while {[mrw [expr $CCM_BASE_ADDR + $CLKCTL_CDHIPR]] != 0} { sleep 1 }
setup_pll $PLL3_BASE_ADDR 216
setup_pll $PLL4_BASE_ADDR 455
; # Set the platform clock dividers
mww [expr $PLATFORM_BASE_ADDR + 0x14] 0x00000124
mww [expr $CCM_BASE_ADDR + 0x10] 0
; # Switch ARM back to PLL 1.
mww [expr $CCM_BASE_ADDR + $CLKCTL_CCSR] 0x0
; # make uart div=6
mww [expr $CCM_BASE_ADDR + $CLKCTL_CSCDR1] [expr [mrw [expr $CCM_BASE_ADDR + $CLKCTL_CSCDR1]] & 0xffffffc0 | 0x0a]
; # Restore the default values in the Gate registers
mww [expr $CCM_BASE_ADDR + 0x68] 0xFFFFFFFF
mww [expr $CCM_BASE_ADDR + 0x6C] 0xFFFFFFFF
mww [expr $CCM_BASE_ADDR + 0x70] 0xFFFFFFFF
mww [expr $CCM_BASE_ADDR + 0x74] 0xFFFFFFFF
mww [expr $CCM_BASE_ADDR + 0x78] 0xFFFFFFFF
mww [expr $CCM_BASE_ADDR + 0x7C] 0xFFFFFFFF
mww [expr $CCM_BASE_ADDR + 0x80] 0xFFFFFFFF
mww [expr $CCM_BASE_ADDR + 0x84] 0xFFFFFFFF
mww [expr $CCM_BASE_ADDR + $CLKCTL_CCDR] 0x00000
; # for cko - for ARM div by 8
mww [expr $CCM_BASE_ADDR + 0x60] [expr 0x000A0000 & 0x00000F0]
}
proc setup_pll { PLL_ADDR CLK } {
set PLL_DP_CTL 0x00
set PLL_DP_CONFIG 0x04
set PLL_DP_OP 0x08
set PLL_DP_HFS_OP 0x1C
set PLL_DP_MFD 0x0C
set PLL_DP_HFS_MFD 0x20
set PLL_DP_MFN 0x10
set PLL_DP_HFS_MFN 0x24
if {$CLK == 1000} {
set DP_OP [expr (10 << 4) + ((1 - 1) << 0)]
set DP_MFD [expr (12 - 1)]
set DP_MFN 5
} elseif {$CLK == 850} {
set DP_OP [expr (8 << 4) + ((1 - 1) << 0)]
set DP_MFD [expr (48 - 1)]
set DP_MFN 41
} elseif {$CLK == 800} {
set DP_OP [expr (8 << 4) + ((1 - 1) << 0)]
set DP_MFD [expr (3 - 1)]
set DP_MFN 1
} elseif {$CLK == 700} {
set DP_OP [expr (7 << 4) + ((1 - 1) << 0)]
set DP_MFD [expr (24 - 1)]
set DP_MFN 7
} elseif {$CLK == 600} {
set DP_OP [expr (6 << 4) + ((1 - 1) << 0)]
set DP_MFD [expr (4 - 1)]
set DP_MFN 1
} elseif {$CLK == 665} {
set DP_OP [expr (6 << 4) + ((1 - 1) << 0)]
set DP_MFD [expr (96 - 1)]
set DP_MFN 89
} elseif {$CLK == 532} {
set DP_OP [expr (5 << 4) + ((1 - 1) << 0)]
set DP_MFD [expr (24 - 1)]
set DP_MFN 13
} elseif {$CLK == 455} {
set DP_OP [expr (8 << 4) + ((2 - 1) << 0)]
set DP_MFD [expr (48 - 1)]
set DP_MFN 71
} elseif {$CLK == 400} {
set DP_OP [expr (8 << 4) + ((2 - 1) << 0)]
set DP_MFD [expr (3 - 1)]
set DP_MFN 1
} elseif {$CLK == 216} {
set DP_OP [expr (6 << 4) + ((3 - 1) << 0)]
set DP_MFD [expr (4 - 1)]
set DP_MFN 3
} else {
error "Error (setup_dll): clock not found!"
}
mww [expr $PLL_ADDR + $PLL_DP_CTL] 0x00001232
mww [expr $PLL_ADDR + $PLL_DP_CONFIG] 0x2
mww [expr $PLL_ADDR + $PLL_DP_OP] $DP_OP
mww [expr $PLL_ADDR + $PLL_DP_HFS_MFD] $DP_OP
mww [expr $PLL_ADDR + $PLL_DP_MFD] $DP_MFD
mww [expr $PLL_ADDR + $PLL_DP_HFS_MFD] $DP_MFD
mww [expr $PLL_ADDR + $PLL_DP_MFN] $DP_MFN
mww [expr $PLL_ADDR + $PLL_DP_HFS_MFN] $DP_MFN
mww [expr $PLL_ADDR + $PLL_DP_CTL] 0x00001232
while {[expr [mrw [expr $PLL_ADDR + $PLL_DP_CTL]] & 0x1] == 0} { sleep 1 }
}
proc CPU_2_BE_32 { L } {
return [expr (($L & 0x000000FF) << 24) | (($L & 0x0000FF00) << 8) | (($L & 0x00FF0000) >> 8) | (($L & 0xFF000000) >> 24)]
}
# Device Configuration Data
proc DCD { } {
# dap apsel 1
mww 0x53FA8554 0x00300000 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM3
mww 0x53FA8558 0x00300040 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS3
mww 0x53FA8560 0x00300000 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM2
mww 0x53FA8564 0x00300040 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_SDODT
mww 0x53FA8568 0x00300040 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS2
mww 0x53FA8570 0x00300000 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK_1
mww 0x53FA8574 0x00300000 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_CAS
mww 0x53FA8578 0x00300000 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK_0
mww 0x53FA857c 0x00300040 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0
mww 0x53FA8580 0x00300040 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_SDODT0
mww 0x53FA8584 0x00300000 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM0
mww 0x53FA8588 0x00300000 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_RAS
mww 0x53FA8590 0x00300040 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1
mww 0x53FA8594 0x00300000 ;# IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM1
mww 0x53FA86f0 0x00300000 ;# IOMUXC_SW_PAD_CTL_GRP_ADDDS
mww 0x53FA86f4 0x00000000 ;# IOMUXC_SW_PAD_CTL_GRP_DDRMODE_CTL
mww 0x53FA86fc 0x00000000 ;# IOMUXC_SW_PAD_CTL_GRP_DDRPKE
mww 0x53FA8714 0x00000000 ;# IOMUXC_SW_PAD_CTL_GRP_DDRMODE - CMOS mode
mww 0x53FA8718 0x00300000 ;# IOMUXC_SW_PAD_CTL_GRP_B0DS
mww 0x53FA871c 0x00300000 ;# IOMUXC_SW_PAD_CTL_GRP_B1DS
mww 0x53FA8720 0x00300000 ;# IOMUXC_SW_PAD_CTL_GRP_CTLDS
mww 0x53FA8724 0x04000000 ;# IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE - DDR_SEL0=
mww 0x53FA8728 0x00300000 ;# IOMUXC_SW_PAD_CTL_GRP_B2DS
mww 0x53FA872c 0x00300000 ;# IOMUXC_SW_PAD_CTL_GRP_B3DS
# Initialize DDR2 memory
mww 0x63FD9088 0x35343535 ;# ESDCTL_RDDLCTL
mww 0x63FD9090 0x4d444c44 ;# ESDCTL_WRDLCTL
mww 0x63FD907c 0x01370138 ;# ESDCTL_DGCTRL0
mww 0x63FD9080 0x013b013c ;# ESDCTL_DGCTRL1
mww 0x63FD9018 0x00011740 ;# ESDCTL_ESDMISC
mww 0x63FD9000 0xc3190000 ;# ESDCTL_ESDCTL
mww 0x63FD900c 0x9f5152e3 ;# ESDCTL_ESDCFG0
mww 0x63FD9010 0xb68e8a63 ;# ESDCTL_ESDCFG1
mww 0x63FD9014 0x01ff00db ;# ESDCTL_ESDCFG2
mww 0x63FD902c 0x000026d2 ;# ESDCTL_ESDRWD
mww 0x63FD9030 0x009f0e21 ;# ESDCTL_ESDOR
mww 0x63FD9008 0x12273030 ;# ESDCTL_ESDOTC
mww 0x63FD9004 0x0002002d ;# ESDCTL_ESDPDC
mww 0x63FD901c 0x00008032 ;# ESDCTL_ESDSCR
mww 0x63FD901c 0x00008033 ;# ESDCTL_ESDSCR
mww 0x63FD901c 0x00028031 ;# ESDCTL_ESDSCR
mww 0x63FD901c 0x052080b0 ;# ESDCTL_ESDSCR
mww 0x63FD901c 0x04008040 ;# ESDCTL_ESDSCR
mww 0x63FD901c 0x0000803a ;# ESDCTL_ESDSCR
mww 0x63FD901c 0x0000803b ;# ESDCTL_ESDSCR
mww 0x63FD901c 0x00028039 ;# ESDCTL_ESDSCR
mww 0x63FD901c 0x05208138 ;# ESDCTL_ESDSCR
mww 0x63FD901c 0x04008048 ;# ESDCTL_ESDSCR
mww 0x63FD9020 0x00005800 ;# ESDCTL_ESDREF
mww 0x63FD9040 0x04b80003 ;# ESDCTL_ZQHWCTRL
mww 0x63FD9058 0x00022227 ;# ESDCTL_ODTCTRL
mww 0x63FD901C 0x00000000 ;# ESDCTL_ESDSCR
# dap apsel 0
}
# vim:filetype=tcl
|
