| Message ID | 1463467408-13245-6-git-send-email-paul.burton@imgtec.com |
|---|---|
| State | Accepted |
| Commit | 6242aa137427f6da6ca47e7a8c9a9f78ad63e00d |
| Delegated to: | Daniel Schwierzeck |
| Headers | show |
Am 17.05.2016 um 08:43 schrieb Paul Burton: > Make use of device model & device tree to probe the UART driver. This is > the initial step in bringing Malta up to date with driver model, and > allows for cleaner handling of the different I/O addresses for different > system controllers by specifying the ISA bus address instead of a > translated memory address. > > Signed-off-by: Paul Burton <paul.burton@imgtec.com> > Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> > --- > > Changes in v3: > - Don't select CONFIG_OF_EMBED for Malta, but add it to defconfigs. > - Add @0 to isa node name to satisfy DTC master. > - Rebase atop u-boot-mips/next. > > Changes in v2: > - Only handle the UART we already use, for simplicity. > > arch/mips/Kconfig | 4 ++++ > arch/mips/dts/Makefile | 1 + > arch/mips/dts/mti,malta.dts | 32 ++++++++++++++++++++++++++++++++ > configs/malta_defconfig | 2 ++ > configs/maltael_defconfig | 2 ++ > include/configs/malta.h | 6 ------ > 6 files changed, 41 insertions(+), 6 deletions(-) > create mode 100644 arch/mips/dts/mti,malta.dts > applied to u-boot-mips, thanks.
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index dc34c18..53363e3 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -23,7 +23,11 @@ config TARGET_QEMU_MIPS config TARGET_MALTA bool "Support malta" + select DM + select DM_SERIAL select DYNAMIC_IO_PORT_BASE + select OF_CONTROL + select OF_ISA_BUS select SUPPORTS_BIG_ENDIAN select SUPPORTS_LITTLE_ENDIAN select SUPPORTS_CPU_MIPS32_R1 diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile index a94b745..2f04d73 100644 --- a/arch/mips/dts/Makefile +++ b/arch/mips/dts/Makefile @@ -4,6 +4,7 @@ dtb-$(CONFIG_TARGET_AP121) += ap121.dtb dtb-$(CONFIG_TARGET_AP143) += ap143.dtb +dtb-$(CONFIG_TARGET_MALTA) += mti,malta.dtb dtb-$(CONFIG_TARGET_PIC32MZDASK) += pic32mzda_sk.dtb dtb-$(CONFIG_BOARD_TPLINK_WDR4300) += tplink_wdr4300.dtb diff --git a/arch/mips/dts/mti,malta.dts b/arch/mips/dts/mti,malta.dts new file mode 100644 index 0000000..d339229 --- /dev/null +++ b/arch/mips/dts/mti,malta.dts @@ -0,0 +1,32 @@ +/dts-v1/; + +/memreserve/ 0x00000000 0x00001000; /* Exception vectors */ +/memreserve/ 0x000f0000 0x00010000; /* PIIX4 ISA memory */ + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mti,malta"; + + chosen { + stdout-path = &uart0; + }; + + isa@0 { + compatible = "isa"; + #address-cells = <2>; + #size-cells = <1>; + ranges = <1 0 0 0x1000>; + + uart0: serial@3f8 { + compatible = "ns16550a"; + + reg = <1 0x3f8 0x40>; + reg-shift = <0>; + + clock-frequency = <1843200>; + + u-boot,dm-pre-reloc; + }; + }; +}; diff --git a/configs/malta_defconfig b/configs/malta_defconfig index a16f10b..3c3bb16 100644 --- a/configs/malta_defconfig +++ b/configs/malta_defconfig @@ -1,5 +1,6 @@ CONFIG_MIPS=y CONFIG_TARGET_MALTA=y +CONFIG_DEFAULT_DEVICE_TREE="mti,malta" CONFIG_HUSH_PARSER=y CONFIG_SYS_PROMPT="malta # " # CONFIG_CMD_LOADB is not set @@ -9,5 +10,6 @@ CONFIG_SYS_PROMPT="malta # " CONFIG_CMD_DHCP=y # CONFIG_CMD_NFS is not set CONFIG_CMD_PING=y +CONFIG_OF_EMBED=y CONFIG_SYS_NS16550=y CONFIG_USE_PRIVATE_LIBGCC=y diff --git a/configs/maltael_defconfig b/configs/maltael_defconfig index 5289797..b245d91 100644 --- a/configs/maltael_defconfig +++ b/configs/maltael_defconfig @@ -1,6 +1,7 @@ CONFIG_MIPS=y CONFIG_TARGET_MALTA=y CONFIG_SYS_LITTLE_ENDIAN=y +CONFIG_DEFAULT_DEVICE_TREE="mti,malta" CONFIG_HUSH_PARSER=y CONFIG_SYS_PROMPT="maltael # " # CONFIG_CMD_LOADB is not set @@ -10,5 +11,6 @@ CONFIG_SYS_PROMPT="maltael # " CONFIG_CMD_DHCP=y # CONFIG_CMD_NFS is not set CONFIG_CMD_PING=y +CONFIG_OF_EMBED=y CONFIG_SYS_NS16550=y CONFIG_USE_PRIVATE_LIBGCC=y diff --git a/include/configs/malta.h b/include/configs/malta.h index 1c3c83c..e03935b 100644 --- a/include/configs/malta.h +++ b/include/configs/malta.h @@ -65,13 +65,7 @@ * Serial driver */ #define CONFIG_BAUDRATE 115200 - -#define CONFIG_SYS_NS16550_SERIAL #define CONFIG_SYS_NS16550_PORT_MAPPED -#define CONFIG_SYS_NS16550_REG_SIZE 1 -#define CONFIG_SYS_NS16550_CLK (115200 * 16) -#define CONFIG_SYS_NS16550_COM1 0x3f8 -#define CONFIG_CONS_INDEX 1 /* * Flash configuration