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|
#######################################
# DENX M53EVK #
# http://www.denx-cs.de/?q=M53EVK #
# Author: Marek Vasut <marex@denx.de> #
# Based on imx53loco.cfg #
#######################################
# The DENX M53EVK has on-board JTAG adapter
source [find interface/ftdi/m53evk.cfg]
# The DENX M53EVK board has a single i.MX53 chip
source [find target/imx53.cfg]
# Helper for common memory read/modify/write procedures
source [find mem_helper.tcl]
echo "iMX53 M53EVK board lodaded."
# Set reset type
reset_config trst_and_srst separate trst_open_drain srst_open_drain
# Run at 6 MHz
adapter_khz 6000
$_TARGETNAME configure -event "reset-assert" {
echo "Reseting ...."
#cortex_a dbginit
}
$_TARGETNAME configure -event reset-init { m53evk_init }
global AIPS1_BASE_ADDR
set AIPS1_BASE_ADDR 0x53F00000
global AIPS2_BASE_ADDR
set AIPS2_BASE_ADDR 0x63F00000
proc m53evk_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
}
# 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 0x53fa86f4 0x00000000 ;# GRP_DDRMODE_CTL
mww 0x53fa8714 0x00000000 ;# GRP_DDRMODE
mww 0x53fa86fc 0x00000000 ;# GRP_DDRPKE
mww 0x53fa8724 0x04000000 ;# GRP_DDR_TYPE
mww 0x53fa872c 0x00300000 ;# GRP_B3DS
mww 0x53fa8554 0x00300000 ;# DRAM_DQM3
mww 0x53fa8558 0x00300040 ;# DRAM_SDQS3
mww 0x53fa8728 0x00300000 ;# GRP_B2DS
mww 0x53fa8560 0x00300000 ;# DRAM_DQM2
mww 0x53fa8568 0x00300040 ;# DRAM_SDQS2
mww 0x53fa871c 0x00300000 ;# GRP_B1DS
mww 0x53fa8594 0x00300000 ;# DRAM_DQM1
mww 0x53fa8590 0x00300040 ;# DRAM_SDQS1
mww 0x53fa8718 0x00300000 ;# GRP_B0DS
mww 0x53fa8584 0x00300000 ;# DRAM_DQM0
mww 0x53fa857c 0x00300040 ;# DRAM_SDQS0
mww 0x53fa8578 0x00300000 ;# DRAM_SDCLK_0
mww 0x53fa8570 0x00300000 ;# DRAM_SDCLK_1
mww 0x53fa8574 0x00300000 ;# DRAM_CAS
mww 0x53fa8588 0x00300000 ;# DRAM_RAS
mww 0x53fa86f0 0x00300000 ;# GRP_ADDDS
mww 0x53fa8720 0x00300000 ;# GRP_CTLDS
mww 0x53fa8564 0x00300040 ;# DRAM_SDODT1
mww 0x53fa8580 0x00300040 ;# DRAM_SDODT0
# Initialize DDR2 memory
mww 0x63fd9088 0x32383535
mww 0x63fd9090 0x40383538
mww 0x63fd907c 0x0136014d
mww 0x63fd9080 0x01510141
mww 0x63fd9018 0x00011740
mww 0x63fd9000 0xc3190000
mww 0x63fd900c 0x555952e3
mww 0x63fd9010 0xb68e8b63
mww 0x63fd9014 0x01ff00db
mww 0x63fd902c 0x000026d2
mww 0x63fd9030 0x009f0e21
mww 0x63fd9008 0x12273030
mww 0x63fd9004 0x0002002d
mww 0x63fd901c 0x00008032
mww 0x63fd901c 0x00008033
mww 0x63fd901c 0x00028031
mww 0x63fd901c 0x092080b0
mww 0x63fd901c 0x04008040
mww 0x63fd901c 0x0000803a
mww 0x63fd901c 0x0000803b
mww 0x63fd901c 0x00028039
mww 0x63fd901c 0x09208138
mww 0x63fd901c 0x04008048
mww 0x63fd9020 0x00001800
mww 0x63fd9040 0x04b80003
mww 0x63fd9058 0x00022227
mww 0x63fd901c 0x00000000
# dap apsel 0
}
# vim:filetype=tcl
|
