150 lines
4.0 KiB
INI
150 lines
4.0 KiB
INI
# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Board configuration file for the Freescale IMX6Q Sabre SD EVM
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#
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# This board does not have an embedded JTAG adapter, you must source
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# a suitable adapter configuration before sourcing this file.
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# Sabre SD has a standard ARM-20 JTAG connector with
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# nTRST and nSRST available.
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reset_config trst_and_srst
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# the only possible transport is JTAG
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transport select jtag
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# iMX6Q POR gates JTAG and the chip is completely incommunicado
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# over JTAG for at least 10ms after nSRST is deasserted
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adapter srst delay 11
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# Source generic iMX6Q target configuration
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set CHIPNAME imx6q
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source [find target/imx6.cfg]
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# function to apply initial configuration after a reset. It
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# provides a basic pad configuration and also DDR memory and clocks
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# sufficient to load and execute a boot loader (e.g. barebox) from
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# DDR memory. This list is extracted from the barebox flash image
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# header.
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proc apply_dcd { } {
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mww 0x020e05a8 0x00000030
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mww 0x020e05b0 0x00000030
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mww 0x020e0524 0x00000030
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mww 0x020e051c 0x00000030
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mww 0x020e0518 0x00000030
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mww 0x020e050c 0x00000030
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mww 0x020e05b8 0x00000030
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mww 0x020e05c0 0x00000030
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mww 0x020e05ac 0x00020030
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mww 0x020e05b4 0x00020030
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mww 0x020e0528 0x00020030
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mww 0x020e0520 0x00020030
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mww 0x020e0514 0x00020030
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mww 0x020e0510 0x00020030
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mww 0x020e05bc 0x00020030
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mww 0x020e05c4 0x00020030
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mww 0x020e056c 0x00020030
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mww 0x020e0578 0x00020030
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mww 0x020e0588 0x00020030
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mww 0x020e0594 0x00020030
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mww 0x020e057c 0x00020030
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mww 0x020e0590 0x00003000
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mww 0x020e0598 0x00003000
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mww 0x020e058c 0x00000000
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mww 0x020e059c 0x00003030
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mww 0x020e05a0 0x00003030
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mww 0x020e0784 0x00000030
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mww 0x020e0788 0x00000030
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mww 0x020e0794 0x00000030
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mww 0x020e079c 0x00000030
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mww 0x020e07a0 0x00000030
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mww 0x020e07a4 0x00000030
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mww 0x020e07a8 0x00000030
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mww 0x020e0748 0x00000030
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mww 0x020e074c 0x00000030
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mww 0x020e0750 0x00020000
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mww 0x020e0758 0x00000000
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mww 0x020e0774 0x00020000
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mww 0x020e078c 0x00000030
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mww 0x020e0798 0x000c0000
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mww 0x021b081c 0x33333333
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mww 0x021b0820 0x33333333
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mww 0x021b0824 0x33333333
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mww 0x021b0828 0x33333333
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mww 0x021b481c 0x33333333
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mww 0x021b4820 0x33333333
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mww 0x021b4824 0x33333333
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mww 0x021b4828 0x33333333
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mww 0x021b0018 0x00081740
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mww 0x021b001c 0x00008000
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mww 0x021b000c 0x555a7975
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mww 0x021b0010 0xff538e64
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mww 0x021b0014 0x01ff00db
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mww 0x021b002c 0x000026d2
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mww 0x021b0030 0x005b0e21
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mww 0x021b0008 0x09444040
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mww 0x021b0004 0x00025576
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mww 0x021b0040 0x00000027
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mww 0x021b0000 0x831a0000
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mww 0x021b001c 0x04088032
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mww 0x021b001c 0x0408803a
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mww 0x021b001c 0x00008033
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mww 0x021b001c 0x0000803b
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mww 0x021b001c 0x00428031
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mww 0x021b001c 0x00428039
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mww 0x021b001c 0x09408030
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mww 0x021b001c 0x09408038
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mww 0x021b001c 0x04008040
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mww 0x021b001c 0x04008048
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mww 0x021b0800 0xa1380003
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mww 0x021b4800 0xa1380003
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mww 0x021b0020 0x00005800
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mww 0x021b0818 0x00022227
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mww 0x021b4818 0x00022227
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mww 0x021b083c 0x434b0350
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mww 0x021b0840 0x034c0359
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mww 0x021b483c 0x434b0350
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mww 0x021b4840 0x03650348
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mww 0x021b0848 0x4436383b
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mww 0x021b4848 0x39393341
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mww 0x021b0850 0x35373933
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mww 0x021b4850 0x48254A36
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mww 0x021b080c 0x001f001f
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mww 0x021b0810 0x001f001f
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mww 0x021b480c 0x00440044
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mww 0x021b4810 0x00440044
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mww 0x021b08b8 0x00000800
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mww 0x021b48b8 0x00000800
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mww 0x021b001c 0x00000000
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mww 0x021b0404 0x00011006
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mww 0x020c4068 0x00c03f3f
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mww 0x020c406c 0x0030fc03
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mww 0x020c4070 0x0fffc000
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mww 0x020c4074 0x3ff00000
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mww 0x020c4078 0x00fff300
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mww 0x020c407c 0x0f0000c3
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mww 0x020c4080 0x000003ff
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mww 0x020e0010 0xf00000cf
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mww 0x020e0018 0x007f007f
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mww 0x020e001c 0x007f007f
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}
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# disable watchdog
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proc disable_wdog { } {
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mwh 0x020bc000 0x30
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}
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# This function applies the initial configuration after a "reset init"
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# command
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proc imx6q_sabresd_init { } {
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disable_wdog
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apply_dcd
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}
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# prevent cortex-a code from asserting SRST again
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$_TARGETNAME.0 configure -event reset-assert { }
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# hook the init function into the reset-init event
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$_TARGETNAME.0 configure -event reset-init { imx6q_sabresd_init }
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# set a slow default JTAG clock, can be overridden later
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adapter speed 1000
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