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[PW_SID:1085016] serial: 8250_dw: Add support for UltraRISC DP1000 UART#1810

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[PW_SID:1085016] serial: 8250_dw: Add support for UltraRISC DP1000 UART#1810
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PR for series 1085016 applied to workflow__riscv__fixes

Name: serial: 8250_dw: Add support for UltraRISC DP1000 UART
URL: https://patchwork.kernel.org/project/linux-riscv/list/?series=1085016
Version: 4

Linux RISC-V bot and others added 5 commits April 5, 2026 01:35
Move the DW_UART_* register offsets and CPR bit/field definitions from
8250_dwlib.c into 8250_dwlib.h so they can be shared by 8250_dw and
8250_dwlib users.

Add an include guard for 8250_dwlib.h.

Signed-off-by: Jia Wang <wangjia@ultrarisc.com>
Signed-off-by: Linux RISC-V bot <linux.riscv.bot@gmail.com>
…nitions

Replace the magic CPR value for Renesas RZ/N1 with a composition using
DW_UART_CPR_* bit/field definitions and FIELD_PREP_CONST().

Signed-off-by: Jia Wang <wangjia@ultrarisc.com>
Signed-off-by: Linux RISC-V bot <linux.riscv.bot@gmail.com>
UltraRISC DP1000 integrates a Synopsys DesignWare APB UART, but it does
not provide the standard CPR and UCV registers.

Signed-off-by: Jia Wang <wangjia@ultrarisc.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Linux RISC-V bot <linux.riscv.bot@gmail.com>
The UltraRISC DP1000 UART does not provide the standard CPR register used
by 8250_dw to discover port capabilities.

Provide a fixed CPR value for the DP1000-specific compatible so the
driver can configure the port correctly.

Signed-off-by: Jia Wang <wangjia@ultrarisc.com>
Signed-off-by: Linux RISC-V bot <linux.riscv.bot@gmail.com>
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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
build-rv32-defconfig
Desc: Builds riscv32 defconfig
Duration: 136.99 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
build-rv64-clang-allmodconfig
Desc: Builds riscv64 allmodconfig with Clang, and checks for errors and added warnings
Duration: 1022.30 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
build-rv64-gcc-allmodconfig
Desc: Builds riscv64 allmodconfig with GCC, and checks for errors and added warnings
Duration: 1378.28 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
build-rv64-nommu-k210-defconfig
Desc: Builds riscv64 defconfig with NOMMU for K210
Duration: 24.96 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
build-rv64-nommu-k210-virt
Desc: Builds riscv64 defconfig with NOMMU for the virt platform
Duration: 26.28 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
checkpatch
Desc: Runs checkpatch.pl on the patch
Duration: 1.23 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
dtb-warn-rv64
Desc: Checks for Device Tree warnings/errors
Duration: 84.90 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
header-inline
Desc: Detects static functions without inline keyword in header files
Duration: 0.26 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
kdoc
Desc: Detects for kdoc errors
Duration: 0.92 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
module-param
Desc: Detect module_param changes
Duration: 0.28 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
verify-fixes
Desc: Verifies that the Fixes: tags exist
Duration: 0.24 seconds
Result: PASS

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Patch 1: "[v4,1/4] serial: 8250_dwlib: move DesignWare register definitions to header"
verify-signedoff
Desc: Verifies that Signed-off-by: tags are correct
Duration: 0.32 seconds
Result: PASS

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Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
build-rv32-defconfig
Desc: Builds riscv32 defconfig
Duration: 136.72 seconds
Result: PASS

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Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
build-rv64-clang-allmodconfig
Desc: Builds riscv64 allmodconfig with Clang, and checks for errors and added warnings
Duration: 1022.85 seconds
Result: PASS

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Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
build-rv64-gcc-allmodconfig
Desc: Builds riscv64 allmodconfig with GCC, and checks for errors and added warnings
Duration: 1380.16 seconds
Result: PASS

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Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
build-rv64-nommu-k210-defconfig
Desc: Builds riscv64 defconfig with NOMMU for K210
Duration: 25.22 seconds
Result: PASS

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Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
build-rv64-nommu-k210-virt
Desc: Builds riscv64 defconfig with NOMMU for the virt platform
Duration: 26.53 seconds
Result: PASS

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Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
checkpatch
Desc: Runs checkpatch.pl on the patch
Duration: 0.77 seconds
Result: PASS

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Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
dtb-warn-rv64
Desc: Checks for Device Tree warnings/errors
Duration: 85.84 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
header-inline
Desc: Detects static functions without inline keyword in header files
Duration: 0.25 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
kdoc
Desc: Detects for kdoc errors
Duration: 0.89 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
module-param
Desc: Detect module_param changes
Duration: 0.27 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
verify-fixes
Desc: Verifies that the Fixes: tags exist
Duration: 0.24 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 2: "[v4,2/4] serial: 8250_dw: build Renesas RZN1 CPR value from DW_UART_CPR_* definitions"
verify-signedoff
Desc: Verifies that Signed-off-by: tags are correct
Duration: 0.33 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
build-rv32-defconfig
Desc: Builds riscv32 defconfig
Duration: 137.77 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
build-rv64-clang-allmodconfig
Desc: Builds riscv64 allmodconfig with Clang, and checks for errors and added warnings
Duration: 997.29 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
build-rv64-gcc-allmodconfig
Desc: Builds riscv64 allmodconfig with GCC, and checks for errors and added warnings
Duration: 1338.92 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
build-rv64-nommu-k210-defconfig
Desc: Builds riscv64 defconfig with NOMMU for K210
Duration: 25.14 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
build-rv64-nommu-k210-virt
Desc: Builds riscv64 defconfig with NOMMU for the virt platform
Duration: 26.30 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
checkpatch
Desc: Runs checkpatch.pl on the patch
Duration: 0.63 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
dtb-warn-rv64
Desc: Checks for Device Tree warnings/errors
Duration: 84.19 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
header-inline
Desc: Detects static functions without inline keyword in header files
Duration: 0.24 seconds
Result: PASS

@linux-riscv-bot
Copy link
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
kdoc
Desc: Detects for kdoc errors
Duration: 0.88 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
module-param
Desc: Detect module_param changes
Duration: 0.33 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
verify-fixes
Desc: Verifies that the Fixes: tags exist
Duration: 0.24 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 3: "[v4,3/4] dt-bindings: serial: snps-dw-apb-uart: Add UltraRISC DP1000 UART"
verify-signedoff
Desc: Verifies that Signed-off-by: tags are correct
Duration: 0.31 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
build-rv32-defconfig
Desc: Builds riscv32 defconfig
Duration: 136.32 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
build-rv64-clang-allmodconfig
Desc: Builds riscv64 allmodconfig with Clang, and checks for errors and added warnings
Duration: 1023.50 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
build-rv64-gcc-allmodconfig
Desc: Builds riscv64 allmodconfig with GCC, and checks for errors and added warnings
Duration: 1380.77 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
build-rv64-nommu-k210-defconfig
Desc: Builds riscv64 defconfig with NOMMU for K210
Duration: 25.17 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
build-rv64-nommu-k210-virt
Desc: Builds riscv64 defconfig with NOMMU for the virt platform
Duration: 26.36 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
checkpatch
Desc: Runs checkpatch.pl on the patch
Duration: 1.35 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
dtb-warn-rv64
Desc: Checks for Device Tree warnings/errors
Duration: 85.34 seconds
Result: PASS

@linux-riscv-bot
Copy link
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
header-inline
Desc: Detects static functions without inline keyword in header files
Duration: 0.25 seconds
Result: PASS

@linux-riscv-bot
Copy link
Copy Markdown
Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
kdoc
Desc: Detects for kdoc errors
Duration: 0.90 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
module-param
Desc: Detect module_param changes
Duration: 0.27 seconds
Result: PASS

@linux-riscv-bot
Copy link
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
verify-fixes
Desc: Verifies that the Fixes: tags exist
Duration: 0.24 seconds
Result: PASS

@linux-riscv-bot
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Author

Patch 4: "[v4,4/4] serial: 8250_dw: Use a fixed CPR value for UltraRISC DP1000 UART"
verify-signedoff
Desc: Verifies that Signed-off-by: tags are correct
Duration: 0.32 seconds
Result: PASS

@linux-riscv-bot linux-riscv-bot force-pushed the workflow__riscv__fixes branch from 506e7f6 to 01805bc Compare April 24, 2026 14:53
@linux-riscv-bot linux-riscv-bot deleted the pw1085016 branch April 28, 2026 08:17
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