[PATCH v10 01/12] arm: actions: Add common framework for Actions Owl Semi SoCs

Amit Singh Tomar amittomer25 at gmail.com
Mon Apr 6 14:28:20 CEST 2020


This commit adds common arch support for Actions Semi Owl
series SoCs and removes the Bubblegum96 board files.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Reviewed-by: Andre Przywara <andre.przywara at arm.com>
Signed-off-by: Amit Singh Tomar <amittomer25 at gmail.com>
---
Changes since v9:
	* Added Reviewed-by tag from Mani.
Changes since v8:
        * Added Reviewed-by tag.
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 b50652b..2eaacb7 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 bbb1e27..de6b7f9 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
 
@@ -1868,7 +1868,6 @@ 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
-- 
2.7.4



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