138 lines
4.7 KiB
INI
138 lines
4.7 KiB
INI
# SPDX-License-Identifier: GPL-2.0-or-later
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# Marvell SheevaPlug
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source [find interface/ftdi/sheevaplug.cfg]
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source [find target/feroceon.cfg]
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adapter speed 2000
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$_TARGETNAME configure \
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-work-area-phys 0x10000000 \
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-work-area-size 65536 \
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-work-area-backup 0
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arm7_9 dcc_downloads enable
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# this assumes the hardware default peripherals location before u-Boot moves it
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set _FLASHNAME $_CHIPNAME.flash
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nand device $_FLASHNAME orion 0 0xd8000000
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proc sheevaplug_init { } {
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# We need to assert DBGRQ while holding nSRST down.
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# However DBGACK will be set only when nSRST is released.
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# Furthermore, the JTAG interface doesn't respond at all when
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# the CPU is in the WFI (wait for interrupts) state, so it is
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# possible that initial tap examination failed. So let's
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# re-examine the target again here when nSRST is asserted which
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# should then succeed.
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adapter assert srst
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feroceon.cpu arp_examine
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halt 0
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adapter deassert srst
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wait_halt
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arm mcr 15 0 0 1 0 0x00052078
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mww 0xD0001400 0x43000C30 ;# DDR SDRAM Configuration Register
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mww 0xD0001404 0x39543000 ;# Dunit Control Low Register
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mww 0xD0001408 0x22125451 ;# DDR SDRAM Timing (Low) Register
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mww 0xD000140C 0x00000833 ;# DDR SDRAM Timing (High) Register
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mww 0xD0001410 0x000000CC ;# DDR SDRAM Address Control Register
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mww 0xD0001414 0x00000000 ;# DDR SDRAM Open Pages Control Register
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mww 0xD0001418 0x00000000 ;# DDR SDRAM Operation Register
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mww 0xD000141C 0x00000C52 ;# DDR SDRAM Mode Register
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mww 0xD0001420 0x00000042 ;# DDR SDRAM Extended Mode Register
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mww 0xD0001424 0x0000F17F ;# Dunit Control High Register
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mww 0xD0001428 0x00085520 ;# Dunit Control High Register
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mww 0xD000147c 0x00008552 ;# Dunit Control High Register
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mww 0xD0001504 0x0FFFFFF1 ;# CS0n Size Register
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mww 0xD0001508 0x10000000 ;# CS1n Base Register
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mww 0xD000150C 0x0FFFFFF5 ;# CS1n Size Register
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mww 0xD0001514 0x00000000 ;# CS2n Size Register
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mww 0xD000151C 0x00000000 ;# CS3n Size Register
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mww 0xD0001494 0x003C0000 ;# DDR2 SDRAM ODT Control (Low) Register
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mww 0xD0001498 0x00000000 ;# DDR2 SDRAM ODT Control (High) REgister
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mww 0xD000149C 0x0000F80F ;# DDR2 Dunit ODT Control Register
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mww 0xD0001480 0x00000001 ;# DDR SDRAM Initialization Control Register
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mww 0xD0020204 0x00000000 ;# Main IRQ Interrupt Mask Register
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0020204 0x00000000 ;# "
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mww 0xD0010000 0x01111111 ;# MPP 0 to 7
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mww 0xD0010004 0x11113322 ;# MPP 8 to 15
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mww 0xD0010008 0x00001111 ;# MPP 16 to 23
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mww 0xD0010418 0x003E07CF ;# NAND Read Parameters REgister
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mww 0xD001041C 0x000F0F0F ;# NAND Write Parameters Register
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mww 0xD0010470 0x01C7D943 ;# NAND Flash Control Register
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}
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proc sheevaplug_reflash_uboot { } {
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# reflash the u-Boot binary and reboot into it
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sheevaplug_init
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nand probe 0
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nand erase 0 0x0 0xa0000
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nand write 0 uboot.bin 0 oob_softecc_kw
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resume
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}
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proc sheevaplug_reflash_uboot_env { } {
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# reflash the u-Boot environment variables area
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sheevaplug_init
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nand probe 0
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nand erase 0 0xa0000 0x40000
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nand write 0 uboot-env.bin 0xa0000 oob_softecc_kw
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resume
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}
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proc sheevaplug_load_uboot { } {
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# load u-Boot into RAM and execute it
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sheevaplug_init
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load_image uboot.elf
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verify_image uboot.elf
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resume 0x00600000
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}
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