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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d3efcd38c0
CONFIG_8xx_COPYBACK was there to help disabling copyback cache mode for debuging hardware. But nobody will design new boards with 8xx now. All 8xx platforms select it, so make it the default and remove the option. Also remove the Mx_RESETVAL values which are pretty useless and hide the real value while reading code. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/bcc968cda075516eb76e2f25e09821f582c566b4.1589866984.git.christophe.leroy@csgroup.eu
166 lines
3.8 KiB
Plaintext
166 lines
3.8 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config CPM1
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bool
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select CPM
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choice
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prompt "8xx Machine Type"
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depends on PPC_8xx
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default MPC885ADS
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config MPC8XXFADS
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bool "FADS"
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config MPC86XADS
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bool "MPC86XADS"
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select CPM1
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help
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MPC86x Application Development System by Freescale Semiconductor.
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The MPC86xADS is meant to serve as a platform for s/w and h/w
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development around the MPC86X processor families.
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config MPC885ADS
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bool "MPC885ADS"
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select CPM1
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select OF_DYNAMIC
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help
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Freescale Semiconductor MPC885 Application Development System (ADS).
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Also known as DUET.
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The MPC885ADS is meant to serve as a platform for s/w and h/w
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development around the MPC885 processor family.
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config PPC_EP88XC
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bool "Embedded Planet EP88xC (a.k.a. CWH-PPC-885XN-VE)"
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select CPM1
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help
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This enables support for the Embedded Planet EP88xC board.
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This board is also resold by Freescale as the QUICCStart
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MPC885 Evaluation System and/or the CWH-PPC-885XN-VE.
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config PPC_ADDER875
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bool "Analogue & Micro Adder 875"
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select CPM1
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help
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This enables support for the Analogue & Micro Adder 875
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board.
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config TQM8XX
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bool "TQM8XX"
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select CPM1
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help
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support for the mpc8xx based boards from TQM.
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endchoice
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menu "Freescale Ethernet driver platform-specific options"
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depends on (FS_ENET && MPC885ADS)
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config MPC8xx_SECOND_ETH
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bool "Second Ethernet channel"
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depends on MPC885ADS
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default y
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help
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This enables support for second Ethernet on MPC885ADS and MPC86xADS boards.
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The latter will use SCC1, for 885ADS you can select it below.
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choice
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prompt "Second Ethernet channel"
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depends on MPC8xx_SECOND_ETH
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default MPC8xx_SECOND_ETH_FEC2
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config MPC8xx_SECOND_ETH_FEC2
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bool "FEC2"
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depends on MPC885ADS
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help
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Enable FEC2 to serve as 2-nd Ethernet channel. Note that SMC2
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(often 2-nd UART) will not work if this is enabled.
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config MPC8xx_SECOND_ETH_SCC3
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bool "SCC3"
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depends on MPC885ADS
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help
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Enable SCC3 to serve as 2-nd Ethernet channel. Note that SMC1
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(often 1-nd UART) will not work if this is enabled.
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endchoice
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endmenu
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#
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# MPC8xx Communication options
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#
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menu "MPC8xx CPM Options"
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depends on PPC_8xx
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# This doesn't really belong here, but it is convenient to ask
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# 8xx specific questions.
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comment "Generic MPC8xx Options"
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config 8xx_GPIO
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bool "GPIO API Support"
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select GPIOLIB
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help
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Saying Y here will cause the ports on an MPC8xx processor to be used
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with the GPIO API. If you say N here, the kernel needs less memory.
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If in doubt, say Y here.
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config 8xx_CPU15
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bool "CPU15 Silicon Errata"
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depends on !HUGETLB_PAGE
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default y
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help
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This enables a workaround for erratum CPU15 on MPC8xx chips.
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This bug can cause incorrect code execution under certain
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circumstances. This workaround adds some overhead (a TLB miss
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every time execution crosses a page boundary), and you may wish
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to disable it if you have worked around the bug in the compiler
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(by not placing conditional branches or branches to LR or CTR
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in the last word of a page, with a target of the last cache
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line in the next page), or if you have used some other
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workaround.
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If in doubt, say Y here.
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choice
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prompt "Microcode patch selection"
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default NO_UCODE_PATCH
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help
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Help not implemented yet, coming soon.
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config NO_UCODE_PATCH
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bool "None"
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config USB_SOF_UCODE_PATCH
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bool "USB SOF patch"
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help
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Help not implemented yet, coming soon.
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config I2C_SPI_UCODE_PATCH
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bool "I2C/SPI relocation patch"
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help
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Help not implemented yet, coming soon.
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config I2C_SPI_SMC1_UCODE_PATCH
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bool "I2C/SPI/SMC1 relocation patch"
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help
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Help not implemented yet, coming soon.
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config SMC_UCODE_PATCH
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bool "SMC relocation patch"
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help
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This microcode relocates SMC1 and SMC2 parameter RAMs at
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offset 0x1ec0 and 0x1fc0 to allow extended parameter RAM
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for SCC3 and SCC4.
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endchoice
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config UCODE_PATCH
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bool
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default y
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depends on !NO_UCODE_PATCH
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endmenu
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