[U-Boot] [PATCH v2 07/13] board: Add Microchip PIC32MZ[DA]-Starter-Kit board.
Daniel Schwierzeck
daniel.schwierzeck at gmail.com
Tue Jan 5 21:36:33 CET 2016
2016-01-04 15:01 GMT+01:00 Purna Chandra Mandal <purna.mandal at microchip.com>:
> This adds support for Microchip PIC32MZ[DA] Starter Kit board
> based on a PIC32MZ[DA] family of microcontroller.
>
> Signed-off-by: Purna Chandra Mandal <purna.mandal at microchip.com>
>
> ---
>
> Changes in v2:
> - move CONFIG_SYS_TEXT_BASE (from board/<>/config.mk) to include/configs/<board>.h
>
> arch/mips/dts/Makefile | 2 +-
> arch/mips/dts/pic32mzda_sk.dts | 38 +++++++++++++
> arch/mips/mach-pic32/Kconfig | 7 +++
> board/microchip/pic32mzda/Kconfig | 13 +++++
> board/microchip/pic32mzda/MAINTAINERS | 6 ++
> board/microchip/pic32mzda/Makefile | 7 +++
> board/microchip/pic32mzda/README | 22 ++++++++
> board/microchip/pic32mzda/pic32mzda.c | 31 +++++++++++
> configs/pic32mzdask_defconfig | 21 +++++++
> include/configs/pic32mzdask.h | 100 ++++++++++++++++++++++++++++++++++
> 10 files changed, 246 insertions(+), 1 deletion(-)
> create mode 100644 arch/mips/dts/pic32mzda_sk.dts
> create mode 100644 board/microchip/pic32mzda/Kconfig
> create mode 100644 board/microchip/pic32mzda/MAINTAINERS
> create mode 100644 board/microchip/pic32mzda/Makefile
> create mode 100644 board/microchip/pic32mzda/README
> create mode 100644 board/microchip/pic32mzda/pic32mzda.c
> create mode 100644 configs/pic32mzdask_defconfig
> create mode 100644 include/configs/pic32mzdask.h
>
> diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile
> index 47b6eb5..b513918 100644
> --- a/arch/mips/dts/Makefile
> +++ b/arch/mips/dts/Makefile
> @@ -2,7 +2,7 @@
> # SPDX-License-Identifier: GPL-2.0+
> #
>
> -dtb-y +=
> +dtb-$(CONFIG_TARGET_PIC32MZDASK) += pic32mzda_sk.dtb
>
> targets += $(dtb-y)
>
> diff --git a/arch/mips/dts/pic32mzda_sk.dts b/arch/mips/dts/pic32mzda_sk.dts
> new file mode 100644
> index 0000000..99e7f64
> --- /dev/null
> +++ b/arch/mips/dts/pic32mzda_sk.dts
> @@ -0,0 +1,38 @@
> +/*
> + * Copyright (C) 2015 Purna Chandra Mandal, purna.mandal at microchip.com
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +/dts-v1/;
> +
> +#include "pic32mzda.dtsi"
> +
> +/ {
> + model = "Microchip PIC32MZDASK";
> + compatible = "microchip,pic32mzdask", "microchip,pic32mzda";
> +
> + aliases {
> + console = &uart2;
> + serial0 = &uart2;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +};
> +
> +&clock {
> + status = "okay";
> + u-boot,dm-pre-reloc;
> +};
> +
> +&pinctrl {
> + status = "okay";
> + u-boot,dm-pre-reloc;
> +};
> +
> +&uart2 {
> + status = "okay";
> + u-boot,dm-pre-reloc;
> +};
> diff --git a/arch/mips/mach-pic32/Kconfig b/arch/mips/mach-pic32/Kconfig
> index a394791..f357fc6 100644
> --- a/arch/mips/mach-pic32/Kconfig
> +++ b/arch/mips/mach-pic32/Kconfig
> @@ -26,6 +26,13 @@ endchoice
> choice
> prompt "Board select"
>
> +config TARGET_PIC32MZDASK
> + bool "Microchip PIC32MZ[DA] Starter Kit"
> + depends on SOC_PIC32MZDA
> + help
> + This supports Microchip PIC32MZ[DA] Starter Kit.
> +
> endchoice
>
> +source "board/microchip/pic32mzda/Kconfig"
> endmenu
> diff --git a/board/microchip/pic32mzda/Kconfig b/board/microchip/pic32mzda/Kconfig
> new file mode 100644
> index 0000000..8acb393
> --- /dev/null
> +++ b/board/microchip/pic32mzda/Kconfig
> @@ -0,0 +1,13 @@
> +
> +if TARGET_PIC32MZDASK
> +
> +config SYS_BOARD
> + default "pic32mzda"
> +
> +config SYS_VENDOR
> + default "microchip"
> +
> +config SYS_CONFIG_NAME
> + default "pic32mzdask"
> +
> +endif
> diff --git a/board/microchip/pic32mzda/MAINTAINERS b/board/microchip/pic32mzda/MAINTAINERS
> new file mode 100644
> index 0000000..c934f1a
> --- /dev/null
> +++ b/board/microchip/pic32mzda/MAINTAINERS
> @@ -0,0 +1,6 @@
> +PIC32MZDASK BOARD
> +M: Purna Chandra Mandal <purna.mandal at microchip.com>
> +S: Maintained
> +F: board/microchip/pic32mzda/
> +F: include/configs/pic32mzdask.h
> +F: configs/pic32mzdask_defconfig
> diff --git a/board/microchip/pic32mzda/Makefile b/board/microchip/pic32mzda/Makefile
> new file mode 100644
> index 0000000..3629530
> --- /dev/null
> +++ b/board/microchip/pic32mzda/Makefile
> @@ -0,0 +1,7 @@
> +#
> +# (C) Copyright 2015
> +# Purna Chandra Mandal, purna.mandal at microchip.com.
> +#
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +obj-y := pic32mzda.o
> diff --git a/board/microchip/pic32mzda/README b/board/microchip/pic32mzda/README
> new file mode 100644
> index 0000000..91d16ab
> --- /dev/null
> +++ b/board/microchip/pic32mzda/README
> @@ -0,0 +1,22 @@
> +/*
> + * (c) 2015 Purna Chandra Mandal <purna.mandal at microchip.com>
> + */
> +
> +PIC32MZ[DA] Starter Kit
> +----------------------------------------
> +PIC32MZ[DA] Starter Kit is based on PIC32MZ[DA] family of micro-controller.
> +This family is powered by MIPS M14KEC 32bit general purpose core and has
> +advanced microcontroller features and peripherals.
> +
> +This processor boots with proprietary stage1 bootloader running from internal
> +boot-flash. Stage1 bootloader inturns locates and jumps to U-Boot programmed
> +on internal program-flash. Finally U-Boot loads OS image (along with other
> +required files for booting) from either uSD card, or ethernet, or from USB
> +storage.
> +
> +To boot Linux following three files are mandatory - uEnv.txt (custom U-Boot
> +environment file), uImage, *.dtb (platform device-tree-blob file).
> +
> +U-Boot jumps to Linux using UHI specification.
> +
> +Visit http://microchip.com for details.
> diff --git a/board/microchip/pic32mzda/pic32mzda.c b/board/microchip/pic32mzda/pic32mzda.c
> new file mode 100644
> index 0000000..afe2ab8
> --- /dev/null
> +++ b/board/microchip/pic32mzda/pic32mzda.c
> @@ -0,0 +1,31 @@
> +/*
> + * Microchip PIC32MZ[DA] Starter Kit board
> + *
> + * Copyright (C) 2015, Microchip Technology Inc.
> + * Purna Chandra Mandal <purna.mandal at microchip.com>
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + *
> + */
> +
> +#include <common.h>
> +#include <dm.h>
> +#include <clk.h>
> +#include <mach/pic32.h>
> +
> +#ifdef CONFIG_DISPLAY_BOARDINFO
> +int checkboard(void)
> +{
> + ulong rate = 0;
> + struct udevice *dev;
> +
> + printf("Core: %s\n", get_core_name());
> +
> + if (!uclass_get_device(UCLASS_CLK, 0, &dev)) {
> + rate = clk_get_rate(dev);
> + printf("CPU Speed: %lu MHz\n", rate / 1000000);
> + }
> +
> + return 0;
> +}
> +#endif
> diff --git a/configs/pic32mzdask_defconfig b/configs/pic32mzdask_defconfig
> new file mode 100644
> index 0000000..13760e6
> --- /dev/null
> +++ b/configs/pic32mzdask_defconfig
> @@ -0,0 +1,21 @@
> +CONFIG_MIPS=y
> +CONFIG_MACH_PIC32=y
> +CONFIG_SOC_PIC32MZDA=y
> +CONFIG_TARGET_PIC32MZDASK=y
> +CONFIG_SYS_LITTLE_ENDIAN=y
> +CONFIG_HUSH_PARSER=y
> +CONFIG_SYS_HUSH_PARSER=y
> +CONFIG_SYS_PROMPT="dask # "
> +CONFIG_CMD_TIME=y
> +# CONFIG_CMD_IMLS is not set
> +CONFIG_SUPPORT_OF_CONTROL=y
> +CONFIG_OF_EMBED=y
> +CONFIG_DEFAULT_DEVICE_TREE="pic32mzda_sk"
> +CONFIG_DM=y
> +CONFIG_CMD_DM=y
> +CONFIG_DM_SERIAL=y
> +CONFIG_PIC32_SERIAL=y
> +CONFIG_CLK=y
> +CONFIG_PINCTRL=y
> +# CONFIG_PINCTRL_FULL is not set
> +CONFIG_PIC32_PINCTRL=y
this looks written by hand. Please create this file with Kconfig:
make savedefconfig
cp defconfig configs/pic32mzdask_defconfig
> diff --git a/include/configs/pic32mzdask.h b/include/configs/pic32mzdask.h
> new file mode 100644
> index 0000000..3624107
> --- /dev/null
> +++ b/include/configs/pic32mzdask.h
> @@ -0,0 +1,100 @@
> +/*
> + * (c) 2015 Purna Chandra Mandal <purna.mandal at microchip.com>
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + *
> + * Microchip PIC32MZ[DA] Starter Kit.
> + */
> +
> +#ifndef __PIC32MZDASK_CONFIG_H
> +#define __PIC32MZDASK_CONFIG_H
> +
> +/* System Configuration */
> +#define CONFIG_SYS_TEXT_BASE 0x9d004000 /* .text */
> +#define CONFIG_DISPLAY_BOARDINFO
> +
> +/*--------------------------------------------
> + * CPU configuration
> + */
> +/* CPU Timer rate */
> +#define CONFIG_SYS_MIPS_TIMER_FREQ 100000000
> +
> +/* Cache Configuration */
> +#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
> +#undef CONFIG_SKIP_LOWLEVEL_INIT
you do not need to add #undef lines to disable config options. All
options are disabled by default.
> +
> +/*----------------------------------------------------------------------
> + * Memory Layout
> + */
> +#define CONFIG_SYS_SRAM_BASE 0x80000000
> +#define CONFIG_SYS_SRAM_SIZE 0x00080000 /* 512K */
> +
> +/* Initial RAM for temporary stack, global data */
> +#define CONFIG_SYS_INIT_RAM_SIZE 0x10000
> +#define CONFIG_SYS_INIT_RAM_ADDR \
> + (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
> +#define CONFIG_SYS_GBL_DATA_OFFSET \
> + (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
> +#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
> +#define CONFIG_SYS_INIT_SP_ADDR \
> + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
you do not need to take care of GENERATED_GBL_DATA_SIZE. This is
automatically done in start.S. You only need to set:
#define CONFIG_SYS_INIT_RAM_SIZE 0x10000
#define CONFIG_SYS_INIT_RAM_ADDR \
(CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
> +
> +/* SDRAM Configuration (for final code, data, stack, heap) */
> +#define CONFIG_SYS_SDRAM_BASE 0x88000000
> +#define CONFIG_SYS_MALLOC_LEN (256 << 10)
> +#define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10)
> +#define CONFIG_STACKSIZE (4 << 10) /* regular stack */
> +
> +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
> +#define CONFIG_SYS_MONITOR_LEN (192 << 10)
> +
> +#define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */
> +#define CONFIG_SYS_ENV_ADDR 0x88300000
> +
> +/* Memory Test */
> +#define CONFIG_SYS_MEMTEST_START 0x88000000
> +#define CONFIG_SYS_MEMTEST_END 0x88080000
> +
> +/*----------------------------------------------------------------------
> + * Commands
> + */
> +#define CONFIG_SYS_LONGHELP /* undef to save memory */
> +#define CONFIG_CMD_CLK
> +#define CONFIG_CMD_MEMTEST
> +#define CONFIG_CMD_MEMINFO
> +
> +/*-------------------------------------------------
> + * FLASH configuration
> + */
> +#define CONFIG_SYS_NO_FLASH
> +
> +/*------------------------------------------------------------
> + * Console Configuration
> + */
> +#define CONFIG_BAUDRATE 115200
> +#define CONFIG_SYS_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
> +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
> +#define CONFIG_SYS_MAXARGS 16 /* max number of command args*/
> +#define CONFIG_SYS_PBSIZE \
> + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
> +#define CONFIG_CMDLINE_EDITING 1
> +
> +/*
> + * Handover flattened device tree (dtb file) to Linux kernel
> + */
> +#define CONFIG_OF_LIBFDT 1
> +
> +/* -------------------------------------------------
> + * Environment
> + */
> +#define CONFIG_ENV_IS_NOWHERE 1
> +#define CONFIG_ENV_SIZE 0x4000
> +
> +/* ---------------------------------------------------------------------
> + * Board boot configuration
> + */
> +#define CONFIG_TIMESTAMP /* Print image info with timestamp */
> +#define CONFIG_BOOTDELAY 5 /* autoboot after X seconds */
> +#undef CONFIG_BOOTARGS
> +
> +#endif /* __PIC32MZDASK_CONFIG_H */
> --
> 1.8.3.1
>
>
--
- Daniel
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