mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-19 10:44:14 +08:00
63e30271b0
Enumeration
Disable IO/MEM decoding for devices with non-compliant BARs (Bjorn Helgaas)
Mark Broadwell-EP Home Agent & PCU as having non-compliant BARs (Bjorn Helgaas
Resource management
Mark shadow copy of VGA ROM as IORESOURCE_PCI_FIXED (Bjorn Helgaas)
Don't assign or reassign immutable resources (Bjorn Helgaas)
Don't enable/disable ROM BAR if we're using a RAM shadow copy (Bjorn Helgaas)
Set ROM shadow location in arch code, not in PCI core (Bjorn Helgaas)
Remove arch-specific IORESOURCE_ROM_SHADOW size from sysfs (Bjorn Helgaas)
ia64: Use ioremap() instead of open-coded equivalent (Bjorn Helgaas)
ia64: Keep CPU physical (not virtual) addresses in shadow ROM resource (Bjorn Helgaas)
MIPS: Keep CPU physical (not virtual) addresses in shadow ROM resource (Bjorn Helgaas)
Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY (Bjorn Helgaas)
Don't leak memory if sysfs_create_bin_file() fails (Bjorn Helgaas)
rcar: Remove PCI_PROBE_ONLY handling (Lorenzo Pieralisi)
designware: Remove PCI_PROBE_ONLY handling (Lorenzo Pieralisi)
Virtualization
Wait for up to 1000ms after FLR reset (Alex Williamson)
Support SR-IOV on any function type (Kelly Zytaruk)
Add ACS quirk for all Cavium devices (Manish Jaggi)
AER
Rename pci_ops_aer to aer_inj_pci_ops (Bjorn Helgaas)
Restore pci_ops pointer while calling original pci_ops (David Daney)
Fix aer_inject error codes (Jean Delvare)
Use dev_warn() in aer_inject (Jean Delvare)
Log actual error causes in aer_inject (Jean Delvare)
Log aer_inject error injections (Jean Delvare)
VPD
Prevent VPD access for buggy devices (Babu Moger)
Move pci_read_vpd() and pci_write_vpd() close to other VPD code (Bjorn Helgaas)
Move pci_vpd_release() from header file to pci/access.c (Bjorn Helgaas)
Remove struct pci_vpd_ops.release function pointer (Bjorn Helgaas)
Rename VPD symbols to remove unnecessary "pci22" (Bjorn Helgaas)
Fold struct pci_vpd_pci22 into struct pci_vpd (Bjorn Helgaas)
Sleep rather than busy-wait for VPD access completion (Bjorn Helgaas)
Update VPD definitions (Hannes Reinecke)
Allow access to VPD attributes with size 0 (Hannes Reinecke)
Determine actual VPD size on first access (Hannes Reinecke)
Generic host bridge driver
Move structure definitions to separate header file (David Daney)
Add pci_host_common_probe(), based on gen_pci_probe() (David Daney)
Expose pci_host_common_probe() for use by other drivers (David Daney)
Altera host bridge driver
Fix altera_pcie_link_is_up() (Ley Foon Tan)
Cavium ThunderX host bridge driver
Add PCIe host driver for ThunderX processors (David Daney)
Add driver for ThunderX-pass{1,2} on-chip devices (David Daney)
Freescale i.MX6 host bridge driver
Add DT bindings to configure PHY Tx driver settings (Justin Waters)
Move imx6_pcie_reset_phy() near other PHY handling functions (Lucas Stach)
Move PHY reset into imx6_pcie_establish_link() (Lucas Stach)
Remove broken Gen2 workaround (Lucas Stach)
Move link up check into imx6_pcie_wait_for_link() (Lucas Stach)
Freescale Layerscape host bridge driver
Add "fsl,ls2085a-pcie" compatible ID (Yang Shi)
Intel VMD host bridge driver
Attach VMD resources to parent domain's resource tree (Jon Derrick)
Set bus resource start to 0 (Keith Busch)
Microsoft Hyper-V host bridge driver
Add fwnode_handle to x86 pci_sysdata (Jake Oshins)
Look up IRQ domain by fwnode_handle (Jake Oshins)
Add paravirtual PCI front-end for Microsoft Hyper-V VMs (Jake Oshins)
NVIDIA Tegra host bridge driver
Add pci_ops.{add,remove}_bus() callbacks (Thierry Reding)
Implement ->{add,remove}_bus() callbacks (Thierry Reding)
Remove unused struct tegra_pcie.num_ports field (Thierry Reding)
Track bus -> CPU mapping (Thierry Reding)
Remove misleading PHYS_OFFSET (Thierry Reding)
Renesas R-Car host bridge driver
Depend on ARCH_RENESAS, not ARCH_SHMOBILE (Simon Horman)
Synopsys DesignWare host bridge driver
ARC: Add PCI support (Joao Pinto)
Add generic dw_pcie_wait_for_link() (Joao Pinto)
Add default link up check if sub-driver doesn't override (Joao Pinto)
Add driver for prototyping kits based on ARC SDP (Joao Pinto)
TI Keystone host bridge driver
Defer probing if devm_phy_get() returns -EPROBE_DEFER (Shawn Lin)
Xilinx AXI host bridge driver
Use of_pci_get_host_bridge_resources() to parse DT (Bharat Kumar Gogada)
Remove dependency on ARM-specific struct hw_pci (Bharat Kumar Gogada)
Don't call pci_fixup_irqs() on Microblaze (Bharat Kumar Gogada)
Update Zynq binding with Microblaze node (Bharat Kumar Gogada)
microblaze: Support generic Xilinx AXI PCIe Host Bridge IP driver (Bharat Kumar Gogada)
Xilinx NWL host bridge driver
Add support for Xilinx NWL PCIe Host Controller (Bharat Kumar Gogada)
Miscellaneous
Check device_attach() return value always (Bjorn Helgaas)
Move pci_set_flags() from asm-generic/pci-bridge.h to linux/pci.h (Bjorn Helgaas)
Remove includes of empty asm-generic/pci-bridge.h (Bjorn Helgaas)
ARM64: Remove generated include of asm-generic/pci-bridge.h (Bjorn Helgaas)
Remove empty asm-generic/pci-bridge.h (Bjorn Helgaas)
Remove includes of asm/pci-bridge.h (Bjorn Helgaas)
Consolidate PCI DMA constants and interfaces in linux/pci-dma-compat.h (Bjorn Helgaas)
unicore32: Remove unused HAVE_ARCH_PCI_SET_DMA_MASK definition (Bjorn Helgaas)
Cleanup pci/pcie/Kconfig whitespace (Andreas Ziegler)
Include pci/hotplug Kconfig directly from pci/Kconfig (Bjorn Helgaas)
Include pci/pcie/Kconfig directly from pci/Kconfig (Bogicevic Sasa)
frv: Remove stray pci_{alloc,free}_consistent() declaration (Christoph Hellwig)
Move pci_dma_* helpers to common code (Christoph Hellwig)
Add PCI_CLASS_SERIAL_USB_DEVICE definition (Heikki Krogerus)
Add QEMU top-level IDs for (sub)vendor & device (Robin H. Johnson)
Fix broken URL for Dell biosdevname (Naga Venkata Sai Indubhaskar Jupudi)
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Merge tag 'pci-v4.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"PCI changes for v4.6:
Enumeration:
- Disable IO/MEM decoding for devices with non-compliant BARs (Bjorn Helgaas)
- Mark Broadwell-EP Home Agent & PCU as having non-compliant BARs (Bjorn Helgaas
Resource management:
- Mark shadow copy of VGA ROM as IORESOURCE_PCI_FIXED (Bjorn Helgaas)
- Don't assign or reassign immutable resources (Bjorn Helgaas)
- Don't enable/disable ROM BAR if we're using a RAM shadow copy (Bjorn Helgaas)
- Set ROM shadow location in arch code, not in PCI core (Bjorn Helgaas)
- Remove arch-specific IORESOURCE_ROM_SHADOW size from sysfs (Bjorn Helgaas)
- ia64: Use ioremap() instead of open-coded equivalent (Bjorn Helgaas)
- ia64: Keep CPU physical (not virtual) addresses in shadow ROM resource (Bjorn Helgaas)
- MIPS: Keep CPU physical (not virtual) addresses in shadow ROM resource (Bjorn Helgaas)
- Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY (Bjorn Helgaas)
- Don't leak memory if sysfs_create_bin_file() fails (Bjorn Helgaas)
- rcar: Remove PCI_PROBE_ONLY handling (Lorenzo Pieralisi)
- designware: Remove PCI_PROBE_ONLY handling (Lorenzo Pieralisi)
Virtualization:
- Wait for up to 1000ms after FLR reset (Alex Williamson)
- Support SR-IOV on any function type (Kelly Zytaruk)
- Add ACS quirk for all Cavium devices (Manish Jaggi)
AER:
- Rename pci_ops_aer to aer_inj_pci_ops (Bjorn Helgaas)
- Restore pci_ops pointer while calling original pci_ops (David Daney)
- Fix aer_inject error codes (Jean Delvare)
- Use dev_warn() in aer_inject (Jean Delvare)
- Log actual error causes in aer_inject (Jean Delvare)
- Log aer_inject error injections (Jean Delvare)
VPD:
- Prevent VPD access for buggy devices (Babu Moger)
- Move pci_read_vpd() and pci_write_vpd() close to other VPD code (Bjorn Helgaas)
- Move pci_vpd_release() from header file to pci/access.c (Bjorn Helgaas)
- Remove struct pci_vpd_ops.release function pointer (Bjorn Helgaas)
- Rename VPD symbols to remove unnecessary "pci22" (Bjorn Helgaas)
- Fold struct pci_vpd_pci22 into struct pci_vpd (Bjorn Helgaas)
- Sleep rather than busy-wait for VPD access completion (Bjorn Helgaas)
- Update VPD definitions (Hannes Reinecke)
- Allow access to VPD attributes with size 0 (Hannes Reinecke)
- Determine actual VPD size on first access (Hannes Reinecke)
Generic host bridge driver:
- Move structure definitions to separate header file (David Daney)
- Add pci_host_common_probe(), based on gen_pci_probe() (David Daney)
- Expose pci_host_common_probe() for use by other drivers (David Daney)
Altera host bridge driver:
- Fix altera_pcie_link_is_up() (Ley Foon Tan)
Cavium ThunderX host bridge driver:
- Add PCIe host driver for ThunderX processors (David Daney)
- Add driver for ThunderX-pass{1,2} on-chip devices (David Daney)
Freescale i.MX6 host bridge driver:
- Add DT bindings to configure PHY Tx driver settings (Justin Waters)
- Move imx6_pcie_reset_phy() near other PHY handling functions (Lucas Stach)
- Move PHY reset into imx6_pcie_establish_link() (Lucas Stach)
- Remove broken Gen2 workaround (Lucas Stach)
- Move link up check into imx6_pcie_wait_for_link() (Lucas Stach)
Freescale Layerscape host bridge driver:
- Add "fsl,ls2085a-pcie" compatible ID (Yang Shi)
Intel VMD host bridge driver:
- Attach VMD resources to parent domain's resource tree (Jon Derrick)
- Set bus resource start to 0 (Keith Busch)
Microsoft Hyper-V host bridge driver:
- Add fwnode_handle to x86 pci_sysdata (Jake Oshins)
- Look up IRQ domain by fwnode_handle (Jake Oshins)
- Add paravirtual PCI front-end for Microsoft Hyper-V VMs (Jake Oshins)
NVIDIA Tegra host bridge driver:
- Add pci_ops.{add,remove}_bus() callbacks (Thierry Reding)
- Implement ->{add,remove}_bus() callbacks (Thierry Reding)
- Remove unused struct tegra_pcie.num_ports field (Thierry Reding)
- Track bus -> CPU mapping (Thierry Reding)
- Remove misleading PHYS_OFFSET (Thierry Reding)
Renesas R-Car host bridge driver:
- Depend on ARCH_RENESAS, not ARCH_SHMOBILE (Simon Horman)
Synopsys DesignWare host bridge driver:
- ARC: Add PCI support (Joao Pinto)
- Add generic dw_pcie_wait_for_link() (Joao Pinto)
- Add default link up check if sub-driver doesn't override (Joao Pinto)
- Add driver for prototyping kits based on ARC SDP (Joao Pinto)
TI Keystone host bridge driver:
- Defer probing if devm_phy_get() returns -EPROBE_DEFER (Shawn Lin)
Xilinx AXI host bridge driver:
- Use of_pci_get_host_bridge_resources() to parse DT (Bharat Kumar Gogada)
- Remove dependency on ARM-specific struct hw_pci (Bharat Kumar Gogada)
- Don't call pci_fixup_irqs() on Microblaze (Bharat Kumar Gogada)
- Update Zynq binding with Microblaze node (Bharat Kumar Gogada)
- microblaze: Support generic Xilinx AXI PCIe Host Bridge IP driver (Bharat Kumar Gogada)
Xilinx NWL host bridge driver:
- Add support for Xilinx NWL PCIe Host Controller (Bharat Kumar Gogada)
Miscellaneous:
- Check device_attach() return value always (Bjorn Helgaas)
- Move pci_set_flags() from asm-generic/pci-bridge.h to linux/pci.h (Bjorn Helgaas)
- Remove includes of empty asm-generic/pci-bridge.h (Bjorn Helgaas)
- ARM64: Remove generated include of asm-generic/pci-bridge.h (Bjorn Helgaas)
- Remove empty asm-generic/pci-bridge.h (Bjorn Helgaas)
- Remove includes of asm/pci-bridge.h (Bjorn Helgaas)
- Consolidate PCI DMA constants and interfaces in linux/pci-dma-compat.h (Bjorn Helgaas)
- unicore32: Remove unused HAVE_ARCH_PCI_SET_DMA_MASK definition (Bjorn Helgaas)
- Cleanup pci/pcie/Kconfig whitespace (Andreas Ziegler)
- Include pci/hotplug Kconfig directly from pci/Kconfig (Bjorn Helgaas)
- Include pci/pcie/Kconfig directly from pci/Kconfig (Bogicevic Sasa)
- frv: Remove stray pci_{alloc,free}_consistent() declaration (Christoph Hellwig)
- Move pci_dma_* helpers to common code (Christoph Hellwig)
- Add PCI_CLASS_SERIAL_USB_DEVICE definition (Heikki Krogerus)
- Add QEMU top-level IDs for (sub)vendor & device (Robin H. Johnson)
- Fix broken URL for Dell biosdevname (Naga Venkata Sai Indubhaskar Jupudi)"
* tag 'pci-v4.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (94 commits)
PCI: Add PCI_CLASS_SERIAL_USB_DEVICE definition
PCI: designware: Add driver for prototyping kits based on ARC SDP
PCI: designware: Add default link up check if sub-driver doesn't override
PCI: designware: Add generic dw_pcie_wait_for_link()
PCI: Cleanup pci/pcie/Kconfig whitespace
PCI: Simplify pci_create_attr() control flow
PCI: Don't leak memory if sysfs_create_bin_file() fails
PCI: Simplify sysfs ROM cleanup
PCI: Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY
MIPS: Loongson 3: Keep CPU physical (not virtual) addresses in shadow ROM resource
MIPS: Loongson 3: Use temporary struct resource * to avoid repetition
ia64/PCI: Keep CPU physical (not virtual) addresses in shadow ROM resource
ia64/PCI: Use ioremap() instead of open-coded equivalent
ia64/PCI: Use temporary struct resource * to avoid repetition
PCI: Clean up pci_map_rom() whitespace
PCI: Remove arch-specific IORESOURCE_ROM_SHADOW size from sysfs
PCI: thunder: Add driver for ThunderX-pass{1,2} on-chip devices
PCI: thunder: Add PCIe host driver for ThunderX processors
PCI: generic: Expose pci_host_common_probe() for use by other drivers
PCI: generic: Add pci_host_common_probe(), based on gen_pci_probe()
...
412 lines
9.0 KiB
Plaintext
412 lines
9.0 KiB
Plaintext
config M32R
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bool
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default y
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select HAVE_IDE
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select HAVE_OPROFILE
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select INIT_ALL_POSSIBLE
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select HAVE_KERNEL_GZIP
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select HAVE_KERNEL_BZIP2
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select HAVE_KERNEL_LZMA
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select ARCH_WANT_IPC_PARSE_VERSION
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select HAVE_DEBUG_BUGVERBOSE
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select VIRT_TO_BUS
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select GENERIC_IRQ_PROBE
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select GENERIC_IRQ_SHOW
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select GENERIC_ATOMIC64
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select ARCH_HAS_DEVMEM_IS_ALLOWED
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select ARCH_USES_GETTIMEOFFSET
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select MODULES_USE_ELF_RELA
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select HAVE_DEBUG_STACKOVERFLOW
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config SBUS
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bool
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config GENERIC_ISA_DMA
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bool
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default y
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config ZONE_DMA
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bool
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default y
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config NO_IOPORT_MAP
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def_bool y
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config NO_DMA
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def_bool y
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config HZ
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int
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default 100
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source "init/Kconfig"
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source "kernel/Kconfig.freezer"
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menu "Processor type and features"
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choice
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prompt "Platform Type"
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default PLAT_MAPPI
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config PLAT_MAPPI
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bool "Mappi-I"
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help
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The Mappi-I is an FPGA board for SOC (System-On-a-Chip) prototyping.
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You can operate a Linux system on this board by using an M32R
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softmacro core, which is a fully-synthesizable functional model
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described in Verilog-HDL.
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The Mappi-I board was the first platform, which had been used
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to port and develop a Linux system for the M32R processor.
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Currently, the Mappi-II, an heir to the Mappi-I, is available.
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config PLAT_USRV
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bool "uServer"
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select PLAT_HAS_INT1ICU
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config PLAT_M32700UT
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bool "M32700UT"
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select PLAT_HAS_INT0ICU
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select PLAT_HAS_INT1ICU
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select PLAT_HAS_INT2ICU
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help
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The M3T-M32700UT is an evaluation board based on uT-Engine
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specification. This board has an M32700 (Chaos) evaluation chip.
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You can say Y for SMP, because the M32700 is a single chip
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multiprocessor.
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config PLAT_OPSPUT
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bool "OPSPUT"
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select PLAT_HAS_INT0ICU
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select PLAT_HAS_INT1ICU
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select PLAT_HAS_INT2ICU
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help
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The OPSPUT is an evaluation board based on uT-Engine
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specification. This board has a OPSP-REP chip.
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config PLAT_OAKS32R
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bool "OAKS32R"
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help
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The OAKS32R is a tiny, inexpensive evaluation board.
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Please note that if you say Y here and choose chip "M32102",
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say N for MMU and select a no-MMU version kernel, otherwise
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a kernel with MMU support will not work, because the M32102
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is a microcontroller for embedded systems and it has no MMU.
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config PLAT_MAPPI2
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bool "Mappi-II(M3A-ZA36/M3A-ZA52)"
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config PLAT_MAPPI3
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bool "Mappi-III(M3A-2170)"
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config PLAT_M32104UT
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bool "M32104UT"
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select PLAT_HAS_INT1ICU
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help
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The M3T-M32104UT is an reference board based on uT-Engine
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specification. This board has a M32104 chip.
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endchoice
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choice
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prompt "Processor family"
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default CHIP_M32700
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config CHIP_M32700
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bool "M32700 (Chaos)"
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config CHIP_M32102
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bool "M32102"
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config CHIP_M32104
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bool "M32104"
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depends on PLAT_M32104UT
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config CHIP_VDEC2
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bool "VDEC2"
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config CHIP_OPSP
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bool "OPSP"
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endchoice
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config MMU
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bool "Support for memory management hardware"
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depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
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default y
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config TLB_ENTRIES
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int "TLB Entries"
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depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
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default 32 if CHIP_M32700 || CHIP_OPSP
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default 16 if CHIP_VDEC2
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config ISA_M32R
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bool
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depends on CHIP_M32102 || CHIP_M32104
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default y
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config ISA_M32R2
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bool
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depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
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default y
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config ISA_DSP_LEVEL2
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bool
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depends on CHIP_M32700 || CHIP_OPSP
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default y
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config ISA_DUAL_ISSUE
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bool
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depends on CHIP_M32700 || CHIP_OPSP
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default y
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config PLAT_HAS_INT0ICU
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bool
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default n
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config PLAT_HAS_INT1ICU
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bool
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default n
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config PLAT_HAS_INT2ICU
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bool
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default n
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config BUS_CLOCK
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int "Bus Clock [Hz] (integer)"
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default "70000000" if PLAT_MAPPI
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default "25000000" if PLAT_USRV
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default "50000000" if PLAT_MAPPI3
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default "50000000" if PLAT_M32700UT
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default "50000000" if PLAT_OPSPUT
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default "54000000" if PLAT_M32104UT
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default "33333333" if PLAT_OAKS32R
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default "20000000" if PLAT_MAPPI2
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config TIMER_DIVIDE
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int "Timer divider (integer)"
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default "128"
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config CPU_LITTLE_ENDIAN
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bool "Generate little endian code"
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default n
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config MEMORY_START
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hex "Physical memory start address (hex)"
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default "08000000" if PLAT_MAPPI || PLAT_MAPPI2 || PLAT_MAPPI3
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default "08000000" if PLAT_USRV
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default "08000000" if PLAT_M32700UT
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default "08000000" if PLAT_OPSPUT
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default "04000000" if PLAT_M32104UT
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default "01000000" if PLAT_OAKS32R
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config MEMORY_SIZE
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hex "Physical memory size (hex)"
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default "08000000" if PLAT_MAPPI3
|
|
default "04000000" if PLAT_MAPPI || PLAT_MAPPI2
|
|
default "02000000" if PLAT_USRV
|
|
default "01000000" if PLAT_M32700UT
|
|
default "01000000" if PLAT_OPSPUT
|
|
default "01000000" if PLAT_M32104UT
|
|
default "00800000" if PLAT_OAKS32R
|
|
|
|
config ARCH_DISCONTIGMEM_ENABLE
|
|
bool "Internal RAM Support"
|
|
depends on CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP || CHIP_M32104
|
|
default y
|
|
|
|
source "mm/Kconfig"
|
|
|
|
config IRAM_START
|
|
hex "Internal memory start address (hex)"
|
|
default "00f00000" if !CHIP_M32104
|
|
default "00700000" if CHIP_M32104
|
|
depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP || CHIP_M32104) && DISCONTIGMEM
|
|
|
|
config IRAM_SIZE
|
|
hex "Internal memory size (hex)"
|
|
depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP || CHIP_M32104) && DISCONTIGMEM
|
|
default "00080000" if CHIP_M32700
|
|
default "00010000" if CHIP_M32102 || CHIP_OPSP || CHIP_M32104
|
|
default "00008000" if CHIP_VDEC2
|
|
|
|
#
|
|
# Define implied options from the CPU selection here
|
|
#
|
|
|
|
config GENERIC_LOCKBREAK
|
|
bool
|
|
default y
|
|
depends on SMP && PREEMPT
|
|
|
|
config RWSEM_GENERIC_SPINLOCK
|
|
bool
|
|
depends on M32R
|
|
default y
|
|
|
|
config RWSEM_XCHGADD_ALGORITHM
|
|
bool
|
|
default n
|
|
|
|
config ARCH_HAS_ILOG2_U32
|
|
bool
|
|
default n
|
|
|
|
config ARCH_HAS_ILOG2_U64
|
|
bool
|
|
default n
|
|
|
|
config GENERIC_HWEIGHT
|
|
bool
|
|
default y
|
|
|
|
config GENERIC_CALIBRATE_DELAY
|
|
bool
|
|
default y
|
|
|
|
config SCHED_OMIT_FRAME_POINTER
|
|
bool
|
|
default y
|
|
|
|
source "kernel/Kconfig.preempt"
|
|
|
|
config SMP
|
|
bool "Symmetric multi-processing support"
|
|
depends on MMU
|
|
---help---
|
|
This enables support for systems with more than one CPU. If you have
|
|
a system with only one CPU, say N. If you have a system with more
|
|
than one CPU, say Y.
|
|
|
|
If you say N here, the kernel will run on uni- and multiprocessor
|
|
machines, but will use only one CPU of a multiprocessor machine. If
|
|
you say Y here, the kernel will run on many, but not all,
|
|
uniprocessor machines. On a uniprocessor machine, the kernel
|
|
will run faster if you say N here.
|
|
|
|
People using multiprocessor machines who say Y here should also say
|
|
Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
|
|
Management" code will be disabled if you say Y here.
|
|
|
|
See also the SMP-HOWTO available at
|
|
<http://tldp.org/HOWTO/SMP-HOWTO.html>.
|
|
|
|
If you don't know what to do here, say N.
|
|
|
|
config CHIP_M32700_TS1
|
|
bool "Workaround code for the M32700 TS1 chip's bug"
|
|
depends on (CHIP_M32700 && SMP)
|
|
default n
|
|
|
|
config NR_CPUS
|
|
int "Maximum number of CPUs (2-32)"
|
|
range 2 32
|
|
depends on SMP
|
|
default "2"
|
|
help
|
|
This allows you to specify the maximum number of CPUs which this
|
|
kernel will support. The maximum supported value is 32 and the
|
|
minimum value which makes sense is 2.
|
|
|
|
This is purely to save memory - each supported CPU adds
|
|
approximately eight kilobytes to the kernel image.
|
|
|
|
# Common NUMA Features
|
|
config NUMA
|
|
bool "Numa Memory Allocation Support"
|
|
depends on SMP && BROKEN
|
|
default n
|
|
|
|
config NODES_SHIFT
|
|
int
|
|
default "1"
|
|
depends on NEED_MULTIPLE_NODES
|
|
|
|
endmenu
|
|
|
|
|
|
menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
|
|
|
|
config PCI
|
|
bool "PCI support"
|
|
depends on BROKEN
|
|
default n
|
|
help
|
|
Find out whether you have a PCI motherboard. PCI is the name of a
|
|
bus system, i.e. the way the CPU talks to the other stuff inside
|
|
your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
|
|
VESA. If you have PCI, say Y, otherwise N.
|
|
|
|
choice
|
|
prompt "PCI access mode"
|
|
depends on PCI
|
|
default PCI_GOANY
|
|
|
|
config PCI_GOBIOS
|
|
bool "BIOS"
|
|
---help---
|
|
On PCI systems, the BIOS can be used to detect the PCI devices and
|
|
determine their configuration. However, some old PCI motherboards
|
|
have BIOS bugs and may crash if this is done. Also, some embedded
|
|
PCI-based systems don't have any BIOS at all. Linux can also try to
|
|
detect the PCI hardware directly without using the BIOS.
|
|
|
|
With this option, you can specify how Linux should detect the PCI
|
|
devices. If you choose "BIOS", the BIOS will be used, if you choose
|
|
"Direct", the BIOS won't be used, and if you choose "Any", the
|
|
kernel will try the direct access method and falls back to the BIOS
|
|
if that doesn't work. If unsure, go with the default, which is
|
|
"Any".
|
|
|
|
config PCI_GODIRECT
|
|
bool "Direct"
|
|
|
|
config PCI_GOANY
|
|
bool "Any"
|
|
|
|
endchoice
|
|
|
|
config PCI_BIOS
|
|
bool
|
|
depends on PCI && (PCI_GOBIOS || PCI_GOANY)
|
|
default y
|
|
|
|
config PCI_DIRECT
|
|
bool
|
|
depends on PCI && (PCI_GODIRECT || PCI_GOANY)
|
|
default y
|
|
|
|
source "drivers/pci/Kconfig"
|
|
|
|
config ISA
|
|
bool
|
|
|
|
source "drivers/pcmcia/Kconfig"
|
|
|
|
endmenu
|
|
|
|
|
|
menu "Executable file formats"
|
|
|
|
source "fs/Kconfig.binfmt"
|
|
|
|
endmenu
|
|
|
|
source "net/Kconfig"
|
|
|
|
source "drivers/Kconfig"
|
|
|
|
source "fs/Kconfig"
|
|
|
|
source "arch/m32r/Kconfig.debug"
|
|
|
|
source "security/Kconfig"
|
|
|
|
source "crypto/Kconfig"
|
|
|
|
source "lib/Kconfig"
|