[PATCH v5 0/6] add loongson mips ls1c300 initial support

Pali Rohár pali at kernel.org
Tue Jul 25 18:54:08 CEST 2023


I'm not mips maintainer, so STOP sending me these emails,
I'm not interested in them and I'm not going to read them.

On Wednesday 26 July 2023 00:46:10 Du Huanpeng wrote:
> ---
> Changelog for v5:
>    - add detail commit message
>    - small fix in watchdog driver
> 
> Changelog for v4:
>    - rebase to [247aa5a191159ea7e03bf1918e22fbbb784cd410]
>    - fix rebase issues
>    - use spl without SPL_DM
>    - fix some more codingstyle
>    - fix some more typo
>    - add comments about writing sdram controler
>    - keep .noreoder and do not use delay slot
> 
> Changelog for v3:
>    - change cpu clock id from CLK_CPU to CLK_CPU_THROT
>    - migrate all APB dev's clock id to CLK_APB
>    - remove uarts' <reg-shift> property to use default value <0>
>    - move /clocks/acc node to /soc/acc
>    - call clk_request() before use a clk
>    - make get_tbclk() return 1/2 clock of cpu
>    - disable debug_uart by default
>    - add ops for cpu_throt_factor clk
>    - declare MSEC_PER_SEC for converting between sec and msec
>    - return a error code when the wdt clock is out of range
>    - minor format and codingstyle fixes
>    - rebase to [9859465bfe838bc8264d45e1a1bed847bba74bad]
> 
> Changelog for v2:
> 1. dtsi:
>   add status disabled for uart0 ~ uart11
>   remove bootargs from chosen
>   make serial0 alias for uart2
>   oscillator remove @0 unit-address
>   change uart2 address to kuseg
> 
> 2. cleanup Kconfig and update defconfig
> - make these options configurable, disabled by default:
>   CMD_DM
>   DM_ETH
>   DM_GPIO
>   DM_SPI
>   DM_SPI_FLASH
>   DM_RESET
>   PINCONF
>   PINCTRL
>   PINMUX
>   RESET_LSMIPS
> - make these options configurable, enabled by default:
>   CLK
>   DISPLAY_CPUINFO
>   SYSRESET
>   ROM_EXCEPTION_VECTORS
> - disabled:
>   CONFIG_ENV_IS_IN_SPI_FLASH
> 
> 3. fix codingstyle drivers/watchdog/lsmips-wdt.c
> - priv->base + offset
> - add comment for default clock value
> 
> 4. remove address base definition header
> - remove arch/mips/mach-lsmips/ls1c300/ls1c300.h
> - clean up files uses this header
> 
> 5. spl and debug uart
> - add comment for spl & debug uart pinmuxing
> - cleanup unused registers base header
> 
> 6.  dtsi
> - add "loongson,ls1c300-uart" to all uart node
> 
> 7. board dts
> - add memory node to board dts, start at 0x80000000, size 64MB
> 
> 8. Kconfig
> - make ROM_EXCEPTION_VECTORS user configureable
> - enable ROM_EXCEPTION_VECTORS in defconfig
> 
> 9.
> - seperate sdram_init to sdram_init.S
> - add macro helpers to do sdram, pll lowlevel init
> 
> 10. dtsi
> - move clock nodes to /clocks/xxx
> 
> 11.
> - define CONFIG_SKIP_LOWLEVEL_INIT to 1
> 
> 12.
> - remove option PINCTRL_LS1C300 from Kconfig
> 
> 13.
> - dram_init, use get_ram_size() to detect ram size.
> 
> 14. clk driver
> - create custom clock ops for PLL
> - remove debug code
> 
> 15.
> - rebase to 59bffec43a657598b194b9eb30dc01eec06078c7
> - remove CONFIG_SYS_MONITOR_BASE from include/configs/
> 
> Du Huanpeng (6):
>   mips: initial build infrastructure for loongson SoCs
>   mips: ls1c300: add base support
>   mips: add a ls1c300 based board
>   mips: ls1c300: add clock driver
>   mips: ls1c300: add watchdog support
>   mips: ls1c300: add reset support based on watchdog driver
> 
>  MAINTAINERS                                   |  15 ++
>  arch/mips/Kconfig                             |  11 ++
>  arch/mips/Makefile                            |   1 +
>  arch/mips/dts/Makefile                        |   1 +
>  arch/mips/dts/loongson32-ls1c300b.dtsi        | 150 +++++++++++++++
>  arch/mips/dts/ls1c300-eval.dts                |  30 +++
>  arch/mips/mach-lsmips/Kconfig                 |  76 ++++++++
>  arch/mips/mach-lsmips/Makefile                |   6 +
>  arch/mips/mach-lsmips/cpu.c                   |  19 ++
>  arch/mips/mach-lsmips/include/mach/serial.h   |  16 ++
>  arch/mips/mach-lsmips/ls1c300/Makefile        |   7 +
>  arch/mips/mach-lsmips/ls1c300/gpio.c          |  66 +++++++
>  arch/mips/mach-lsmips/ls1c300/init.c          |  62 ++++++
>  arch/mips/mach-lsmips/ls1c300/lowlevel_init.S | 135 +++++++++++++
>  arch/mips/mach-lsmips/ls1c300/sdram.S         |  96 ++++++++++
>  arch/mips/mach-lsmips/ls1c300/serial.c        | 109 +++++++++++
>  arch/mips/mach-lsmips/spl.c                   |  47 +++++
>  board/loongson/ls1c300-eval/Kconfig           |  12 ++
>  board/loongson/ls1c300-eval/MAINTAINERS       |   7 +
>  board/loongson/ls1c300-eval/Makefile          |   3 +
>  board/loongson/ls1c300-eval/board.c           |  20 ++
>  configs/ls1c300_defconfig                     |  53 ++++++
>  drivers/clk/Makefile                          |   1 +
>  drivers/clk/lsmips/Makefile                   |   3 +
>  drivers/clk/lsmips/clk-ls1c300.c              | 180 ++++++++++++++++++
>  drivers/reset/Kconfig                         |   7 +
>  drivers/reset/Makefile                        |   1 +
>  drivers/reset/reset-lsmips.c                  | 118 ++++++++++++
>  drivers/watchdog/Kconfig                      |   8 +
>  drivers/watchdog/Makefile                     |   1 +
>  drivers/watchdog/lsmips_wdt.c                 | 127 ++++++++++++
>  include/configs/ls1c300.h                     |  34 ++++
>  include/dt-bindings/clock/ls1c300-clk.h       |  18 ++
>  include/dt-bindings/reset/ls1c300-reset.h     |  36 ++++
>  34 files changed, 1476 insertions(+)
>  create mode 100644 arch/mips/dts/loongson32-ls1c300b.dtsi
>  create mode 100644 arch/mips/dts/ls1c300-eval.dts
>  create mode 100644 arch/mips/mach-lsmips/Kconfig
>  create mode 100644 arch/mips/mach-lsmips/Makefile
>  create mode 100644 arch/mips/mach-lsmips/cpu.c
>  create mode 100644 arch/mips/mach-lsmips/include/mach/serial.h
>  create mode 100644 arch/mips/mach-lsmips/ls1c300/Makefile
>  create mode 100644 arch/mips/mach-lsmips/ls1c300/gpio.c
>  create mode 100644 arch/mips/mach-lsmips/ls1c300/init.c
>  create mode 100644 arch/mips/mach-lsmips/ls1c300/lowlevel_init.S
>  create mode 100644 arch/mips/mach-lsmips/ls1c300/sdram.S
>  create mode 100644 arch/mips/mach-lsmips/ls1c300/serial.c
>  create mode 100644 arch/mips/mach-lsmips/spl.c
>  create mode 100644 board/loongson/ls1c300-eval/Kconfig
>  create mode 100644 board/loongson/ls1c300-eval/MAINTAINERS
>  create mode 100644 board/loongson/ls1c300-eval/Makefile
>  create mode 100644 board/loongson/ls1c300-eval/board.c
>  create mode 100644 configs/ls1c300_defconfig
>  create mode 100644 drivers/clk/lsmips/Makefile
>  create mode 100644 drivers/clk/lsmips/clk-ls1c300.c
>  create mode 100644 drivers/reset/reset-lsmips.c
>  create mode 100644 drivers/watchdog/lsmips_wdt.c
>  create mode 100644 include/configs/ls1c300.h
>  create mode 100644 include/dt-bindings/clock/ls1c300-clk.h
>  create mode 100644 include/dt-bindings/reset/ls1c300-reset.h
> 
> -- 
> 2.34.1
> 


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