[PATCH v8 01/12] arm: actions: Add common framework for Actions Owl Semi SoCs

André Przywara andre.przywara at arm.com
Sun Mar 22 00:42:27 CET 2020


On 21/03/2020 17:30, Amit Singh Tomar wrote:
> This commit adds common arch support for Actions Semi Owl
> series SoCs and removes the Bubblegum96 board files.
> 
> Signed-off-by: Amit Singh Tomar <amittomer25 at gmail.com>

Reviewed-by: Andre Przywara <andre.przywara at arm.com>

Cheers,
Andre

> ---
> Changes since v7:
> 	* Removed S900 specific include file.
> 	* Removed the file list entry in MAINTAINERS file.
> Changes since v6:
>         * No change.
> Changes since v5:
>         * No change.
> Changes since v4:
>         * No change.
> Changes since v3:
>         * Corrected the file list entry in MAINTAINERS file.
> Changes since v2:
>         * Moved the file list details to root MAINTAINERS file.
>         * Updated the commit message as suggested by Mani.
>         * Used the "Owl" keyword to describe SoC family.
> Changes since v1:
>         * Moved S700 specific changes to patch 4 of 9.
>         * Moved couple of symbols from defconfig to arch/arm/Kconfig
>           and platform owl Kconfig.
> ---
>  MAINTAINERS                                  |  3 +-
>  arch/arm/Kconfig                             |  3 +-
>  arch/arm/mach-owl/Kconfig                    | 29 ++++++--------
>  arch/arm/mach-owl/Makefile                   |  1 +
>  arch/arm/mach-owl/soc.c                      | 57 ++++++++++++++++++++++++++++
>  board/ucRobotics/bubblegum_96/Kconfig        | 15 --------
>  board/ucRobotics/bubblegum_96/MAINTAINERS    |  6 ---
>  board/ucRobotics/bubblegum_96/Makefile       |  3 --
>  board/ucRobotics/bubblegum_96/bubblegum_96.c | 57 ----------------------------
>  configs/bubblegum_96_defconfig               |  4 +-
>  include/configs/bubblegum_96.h               | 40 -------------------
>  include/configs/owl-common.h                 | 40 +++++++++++++++++++
>  12 files changed, 114 insertions(+), 144 deletions(-)
>  create mode 100644 arch/arm/mach-owl/soc.c
>  delete mode 100644 board/ucRobotics/bubblegum_96/Kconfig
>  delete mode 100644 board/ucRobotics/bubblegum_96/MAINTAINERS
>  delete mode 100644 board/ucRobotics/bubblegum_96/Makefile
>  delete mode 100644 board/ucRobotics/bubblegum_96/bubblegum_96.c
>  delete mode 100644 include/configs/bubblegum_96.h
>  create mode 100644 include/configs/owl-common.h
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 92dda40..73ee1ac 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -272,9 +272,10 @@ M:	Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
>  S:	Maintained
>  F:	arch/arm/include/asm/arch-owl/
>  F:	arch/arm/mach-owl/
> -F:	board/ucRobotics/
>  F:	drivers/clk/owl/
>  F:	drivers/serial/serial_owl.c
> +F:	include/configs/owl-common.h
> +F:	configs/bubblegum_96_defconfig
>  
>  ARM RENESAS RMOBILE/R-CAR
>  M:	Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 5d36788..1cfdcb6 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -873,9 +873,9 @@ config ARCH_MX5
>  
>  config ARCH_OWL
>  	bool "Actions Semi OWL SoCs"
> -	select ARM64
>  	select DM
>  	select DM_SERIAL
> +	select OWL_SERIAL
>  	select OF_CONTROL
>  	imply CMD_DM
>  
> @@ -1865,7 +1865,6 @@ source "board/spear/spear600/Kconfig"
>  source "board/spear/x600/Kconfig"
>  source "board/st/stv0991/Kconfig"
>  source "board/tcl/sl50/Kconfig"
> -source "board/ucRobotics/bubblegum_96/Kconfig"
>  source "board/birdland/bav335x/Kconfig"
>  source "board/toradex/colibri_pxa270/Kconfig"
>  source "board/variscite/dart_6ul/Kconfig"
> diff --git a/arch/arm/mach-owl/Kconfig b/arch/arm/mach-owl/Kconfig
> index 199e772..28984c1 100644
> --- a/arch/arm/mach-owl/Kconfig
> +++ b/arch/arm/mach-owl/Kconfig
> @@ -1,27 +1,22 @@
>  if ARCH_OWL
>  
> -config SYS_SOC
> -	default "owl"
> -
>  choice
> -        prompt "Actions Semi OWL SoCs board select"
> +        prompt "Actions Semi Owl SoC Variant"
>          optional
>  
> -config TARGET_BUBBLEGUM_96
> -	bool "96Boards Bubblegum-96"
> -	help
> -	  Support for 96Boards Bubblegum-96. This board complies with
> -	  96Board Consumer Edition Specification. Features:
> -	  - Actions Semi S900 SoC (4xCortex A53, Power VR G6230 GPU)
> -	  - 2GiB RAM
> -	  - 8GiB eMMC, uSD slot
> -	  - WiFi, Bluetooth and GPS module
> -	  - 2x Host, 1x Device USB port
> -	  - HDMI
> -	  - 20-pin low speed and 40-pin high speed expanders, 6 LED, 3 buttons
> +config MACH_S900
> +        bool "Actions Semi S900 SoC"
> +        select ARM64
>  
>  endchoice
>  
> -source "board/ucRobotics/bubblegum_96/Kconfig"
> +config SYS_TEXT_BASE
> +        default 0x11000000
> +
> +config SYS_CONFIG_NAME
> +        default "owl-common"
> +
> +config SYS_SOC
> +        default "s900" if MACH_S900
>  
>  endif
> diff --git a/arch/arm/mach-owl/Makefile b/arch/arm/mach-owl/Makefile
> index 1b43dc2..0b181c6 100644
> --- a/arch/arm/mach-owl/Makefile
> +++ b/arch/arm/mach-owl/Makefile
> @@ -1,3 +1,4 @@
>  # SPDX-License-Identifier:	GPL-2.0+
>  
> +obj-y += soc.o
>  obj-y += sysmap-s900.o
> diff --git a/arch/arm/mach-owl/soc.c b/arch/arm/mach-owl/soc.c
> new file mode 100644
> index 0000000..409cbd3
> --- /dev/null
> +++ b/arch/arm/mach-owl/soc.c
> @@ -0,0 +1,57 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Actions Semi Owl SoCs platform support.
> + *
> + * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
> + */
> +
> +#include <cpu_func.h>
> +#include <linux/arm-smccc.h>
> +#include <linux/psci.h>
> +#include <common.h>
> +#include <asm/io.h>
> +#include <asm/mach-types.h>
> +#include <asm/psci.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +/*
> + * dram_init - sets uboots idea of sdram size
> + */
> +int dram_init(void)
> +{
> +	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
> +	return 0;
> +}
> +
> +/* This is called after dram_init() so use get_ram_size result */
> +int dram_init_banksize(void)
> +{
> +	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
> +	gd->bd->bi_dram[0].size = gd->ram_size;
> +
> +	return 0;
> +}
> +
> +static void show_psci_version(void)
> +{
> +	struct arm_smccc_res res;
> +
> +	arm_smccc_smc(ARM_PSCI_0_2_FN_PSCI_VERSION, 0, 0, 0, 0, 0, 0, 0, &res);
> +
> +	printf("PSCI:  v%ld.%ld\n",
> +		PSCI_VERSION_MAJOR(res.a0),
> +		PSCI_VERSION_MINOR(res.a0));
> +}
> +
> +int board_init(void)
> +{
> +	show_psci_version();
> +
> +	return 0;
> +}
> +
> +void reset_cpu(ulong addr)
> +{
> +	psci_system_reset();
> +}
> diff --git a/board/ucRobotics/bubblegum_96/Kconfig b/board/ucRobotics/bubblegum_96/Kconfig
> deleted file mode 100644
> index 2dd40d9..0000000
> --- a/board/ucRobotics/bubblegum_96/Kconfig
> +++ /dev/null
> @@ -1,15 +0,0 @@
> -if TARGET_BUBBLEGUM_96
> -
> -config SYS_BOARD
> -	default "bubblegum_96"
> -
> -config SYS_VENDOR
> -	default "ucRobotics"
> -
> -config SYS_SOC
> -	default "s900"
> -
> -config SYS_CONFIG_NAME
> -	default "bubblegum_96"
> -
> -endif
> diff --git a/board/ucRobotics/bubblegum_96/MAINTAINERS b/board/ucRobotics/bubblegum_96/MAINTAINERS
> deleted file mode 100644
> index d0cb727..0000000
> --- a/board/ucRobotics/bubblegum_96/MAINTAINERS
> +++ /dev/null
> @@ -1,6 +0,0 @@
> -BUBBLEGUM_96 BOARD
> -M:	Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
> -S:	Maintained
> -F:	board/ucRobotics/bubblegum_96/
> -F:	include/configs/bubblegum_96.h
> -F:	configs/bubblegum_96_defconfig
> diff --git a/board/ucRobotics/bubblegum_96/Makefile b/board/ucRobotics/bubblegum_96/Makefile
> deleted file mode 100644
> index c4b524d..0000000
> --- a/board/ucRobotics/bubblegum_96/Makefile
> +++ /dev/null
> @@ -1,3 +0,0 @@
> -# SPDX-License-Identifier:	GPL-2.0+
> -
> -obj-y   := bubblegum_96.o
> diff --git a/board/ucRobotics/bubblegum_96/bubblegum_96.c b/board/ucRobotics/bubblegum_96/bubblegum_96.c
> deleted file mode 100644
> index c16f117..0000000
> --- a/board/ucRobotics/bubblegum_96/bubblegum_96.c
> +++ /dev/null
> @@ -1,57 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0+
> -/*
> - * Bubblegum-96 Boards Support
> - *
> - * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
> - */
> -
> -#include <cpu_func.h>
> -#include <linux/arm-smccc.h>
> -#include <linux/psci.h>
> -#include <common.h>
> -#include <asm/io.h>
> -#include <asm/mach-types.h>
> -#include <asm/psci.h>
> -
> -DECLARE_GLOBAL_DATA_PTR;
> -
> -/*
> - * dram_init - sets uboots idea of sdram size
> - */
> -int dram_init(void)
> -{
> -	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
> -	return 0;
> -}
> -
> -/* This is called after dram_init() so use get_ram_size result */
> -int dram_init_banksize(void)
> -{
> -	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
> -	gd->bd->bi_dram[0].size = gd->ram_size;
> -
> -	return 0;
> -}
> -
> -static void show_psci_version(void)
> -{
> -	struct arm_smccc_res res;
> -
> -	arm_smccc_smc(ARM_PSCI_0_2_FN_PSCI_VERSION, 0, 0, 0, 0, 0, 0, 0, &res);
> -
> -	printf("PSCI:  v%ld.%ld\n",
> -	       PSCI_VERSION_MAJOR(res.a0),
> -		PSCI_VERSION_MINOR(res.a0));
> -}
> -
> -int board_init(void)
> -{
> -	show_psci_version();
> -
> -	return 0;
> -}
> -
> -void reset_cpu(ulong addr)
> -{
> -	psci_system_reset();
> -}
> diff --git a/configs/bubblegum_96_defconfig b/configs/bubblegum_96_defconfig
> index ae44ce1..8c94def 100644
> --- a/configs/bubblegum_96_defconfig
> +++ b/configs/bubblegum_96_defconfig
> @@ -1,9 +1,8 @@
>  CONFIG_ARM=y
>  CONFIG_ARCH_OWL=y
> -CONFIG_SYS_TEXT_BASE=0x11000000
>  CONFIG_ENV_SIZE=0x2000
> -CONFIG_TARGET_BUBBLEGUM_96=y
>  CONFIG_NR_DRAM_BANKS=1
> +CONFIG_MACH_S900=y
>  CONFIG_IDENT_STRING="\nBubblegum-96"
>  CONFIG_DISTRO_DEFAULTS=y
>  CONFIG_BOOTDELAY=5
> @@ -21,4 +20,3 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y
>  CONFIG_CLK=y
>  CONFIG_CLK_OWL=y
>  CONFIG_CLK_S900=y
> -CONFIG_OWL_SERIAL=y
> diff --git a/include/configs/bubblegum_96.h b/include/configs/bubblegum_96.h
> deleted file mode 100644
> index c739d66..0000000
> --- a/include/configs/bubblegum_96.h
> +++ /dev/null
> @@ -1,40 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0+ */
> -/*
> - * Board configuration file for Bubblegum-96
> - *
> - * Copyright (C) 2015 Actions Semi Co., Ltd.
> - * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
> - *
> - */
> -
> -#ifndef _BUBBLEGUM_96_H_
> -#define _BUGGLEGUM_96_H_
> -
> -/* SDRAM Definitions */
> -#define CONFIG_SYS_SDRAM_BASE		0x0
> -#define CONFIG_SYS_SDRAM_SIZE		0x80000000
> -
> -/* Generic Timer Definitions */
> -#define COUNTER_FREQUENCY		(24000000)	/* 24MHz */
> -
> -#define CONFIG_SYS_MALLOC_LEN		(32 * 1024 * 1024)
> -
> -/* Some commands use this as the default load address */
> -#define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x7ffc0)
> -
> -/*
> - * This is the initial SP which is used only briefly for relocating the u-boot
> - * image to the top of SDRAM. After relocation u-boot moves the stack to the
> - * proper place.
> - */
> -#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE + 0x7ff00)
> -
> -/* UART Definitions */
> -#define CONFIG_BAUDRATE			115200
> -
> -/* Console configuration */
> -#define CONFIG_SYS_CBSIZE		1024	/* Console buffer size */
> -#define CONFIG_SYS_MAXARGS		64
> -#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
> -
> -#endif
> diff --git a/include/configs/owl-common.h b/include/configs/owl-common.h
> new file mode 100644
> index 0000000..f77a5fa
> --- /dev/null
> +++ b/include/configs/owl-common.h
> @@ -0,0 +1,40 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * Board configuration file for Actions Semi Owl SoCs.
> + *
> + * Copyright (C) 2015 Actions Semi Co., Ltd.
> + * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
> + *
> + */
> +
> +#ifndef _OWL_COMMON_CONFIG_H_
> +#define _OWL_COMMON_CONFIG_H_
> +
> +/* SDRAM Definitions */
> +#define CONFIG_SYS_SDRAM_BASE		0x0
> +#define CONFIG_SYS_SDRAM_SIZE		0x80000000
> +
> +/* Generic Timer Definitions */
> +#define COUNTER_FREQUENCY		(24000000)	/* 24MHz */
> +
> +#define CONFIG_SYS_MALLOC_LEN		(32 * 1024 * 1024)
> +
> +/* Some commands use this as the default load address */
> +#define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x7ffc0)
> +
> +/*
> + * This is the initial SP which is used only briefly for relocating the u-boot
> + * image to the top of SDRAM. After relocation u-boot moves the stack to the
> + * proper place.
> + */
> +#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE + 0x7ff00)
> +
> +/* UART Definitions */
> +#define CONFIG_BAUDRATE			115200
> +
> +/* Console configuration */
> +#define CONFIG_SYS_CBSIZE		1024	/* Console buffer size */
> +#define CONFIG_SYS_MAXARGS		64
> +#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
> +
> +#endif
> 



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