diff mbox

[v4,1/4] ARM: bcm4760: Add platform infrastructure

Message ID 20130914152123.491631670@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Domenico Andreoli Sept. 14, 2013, 3:20 p.m. UTC
From: Domenico Andreoli <domenico.andreoli@linux.com>

Platform infrastructure for the Broadcom BCM4760 based ARM11 SoCs.

v4:
* added low-level debug PL01X parameters
* added clocks to the VICs DT stanzas

v3:
* dropped the idea of unconditionally build mach-bcm

v2:
* clocks are now configured via DT
* uart DT nodes have been renamed and hooked to the proper clock nodes
* dropped unneeded config options
* dropped misused initialization of system_rev
* dropped unneeded early io mapping 
* build rule of mach-bcm is moved to separated patch

v1:
* initial release

Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com>
---
 Documentation/devicetree/bindings/arm/bcm4760.txt |    8 ++
 MAINTAINERS                                       |    7 ++
 arch/arm/Kconfig.debug                            |   21 ++++++
 arch/arm/boot/dts/Makefile                        |    1 +
 arch/arm/boot/dts/bcm4760-catalina.dts            |   11 +++
 arch/arm/boot/dts/bcm4760.dtsi                    |   75 ++++++++++++++++++++++
 arch/arm/configs/bcm4760_defconfig                |   76 ++++++++++++++++++++++
 arch/arm/mach-bcm/Kconfig                         |    7 ++
 arch/arm/mach-bcm/Makefile                        |    2 +
 arch/arm/mach-bcm/bcm4760.c                       |   37 +++++++++++
 10 files changed, 245 insertions(+)

Comments

Arnd Bergmann Sept. 15, 2013, 6:03 p.m. UTC | #1
On Saturday 14 September 2013, Domenico Andreoli wrote:
> From: Domenico Andreoli <domenico.andreoli@linux.com>
> 
> Platform infrastructure for the Broadcom BCM4760 based ARM11 SoCs.
> 
> v4:
> * added low-level debug PL01X parameters
> * added clocks to the VICs DT stanzas
> 
> v3:
> * dropped the idea of unconditionally build mach-bcm
> 
> v2:
> * clocks are now configured via DT
> * uart DT nodes have been renamed and hooked to the proper clock nodes
> * dropped unneeded config options
> * dropped misused initialization of system_rev
> * dropped unneeded early io mapping 
> * build rule of mach-bcm is moved to separated patch
> 
> v1:
> * initial release
> 
> Cc: devicetree@vger.kernel.org
> Cc: linux-arm-kernel@lists.infradead.org
> Acked-by: Jason Cooper <jason@lakedaemon.net>
> Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com>
> ---

Acked-by: Arnd Bergmann <arnd@arndb.de>

Note that normally we put the patch revision history below the '---' line, so it 
doesn't get included in the git history.

> +
> +static void __init bcm4760_init(void)
> +{
> +	of_clk_init(NULL);
> +	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
> +}

With the series that Sebastian Hesselbarth prepared to automatically do
of_clk_init(NULL), this entire function should go away as well, but I think
the cleanest way is to handle that in the arm-soc tree during the merge
of your patches with Sebastian's patches.

	Arnd
diff mbox

Patch

Index: b/Documentation/devicetree/bindings/arm/bcm4760.txt
===================================================================
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/bcm4760.txt
@@ -0,0 +1,8 @@ 
+Broadcom BCM4760 ARM11 SoC device tree bindings
+-----------------------------------------------
+
+Boards with the BCM4760 SoC shall have the following properties:
+
+Required root node property:
+
+compatible = "brcm,bcm4760";
Index: b/arch/arm/configs/bcm4760_defconfig
===================================================================
--- /dev/null
+++ b/arch/arm/configs/bcm4760_defconfig
@@ -0,0 +1,76 @@ 
+CONFIG_IRQ_DOMAIN_DEBUG=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EMBEDDED=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_ARCH_MULTI_V6=y
+# CONFIG_ARCH_MULTI_V7 is not set
+CONFIG_ARCH_BCM4760=y
+CONFIG_ARM_ERRATA_411920=y
+CONFIG_ARM_ERRATA_364296=y
+CONFIG_AEABI=y
+CONFIG_DEPRECATED_PARAM_STRUCT=y
+CONFIG_ARM_APPENDED_DTB=y
+CONFIG_ARM_ATAG_DTB_COMPAT=y
+CONFIG_VFP=y
+# CONFIG_SUSPEND is not set
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_CMA=y
+CONFIG_PROC_DEVICETREE=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_SCSI=y
+# CONFIG_SCSI_PROC_FS is not set
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_MULTI_LUN=y
+# CONFIG_SCSI_LOWLEVEL is not set
+# CONFIG_INPUT_MOUSEDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO is not set
+# CONFIG_VT is not set
+# CONFIG_DEVKMEM is not set
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+# CONFIG_HW_RANDOM is not set
+# CONFIG_HWMON is not set
+# CONFIG_HID is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_COMMON_CLK_DEBUG=y
+# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+CONFIG_EXT4_FS=y
+CONFIG_FANOTIFY=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+# CONFIG_PROC_PAGE_MONITOR is not set
+CONFIG_TMPFS=y
+CONFIG_CRAMFS=y
+CONFIG_ROMFS_FS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_PRINTK_TIME=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_REDUCED=y
+CONFIG_STRIP_ASM_SYMS=y
+CONFIG_DEBUG_SECTION_MISMATCH=y
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_SCHED_DEBUG is not set
+CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_MUTEXES=y
+CONFIG_DEBUG_ATOMIC_SLEEP=y
+# CONFIG_FTRACE is not set
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+# CONFIG_CRYPTO_HW is not set
Index: b/arch/arm/mach-bcm/bcm4760.c
===================================================================
--- /dev/null
+++ b/arch/arm/mach-bcm/bcm4760.c
@@ -0,0 +1,37 @@ 
+/*
+ * Broadcom BCM4760 based ARM11 SoCs platform support
+ *
+ * Copyright (C) 2012 Domenico Andreoli <domenico.andreoli@linux.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/clk-provider.h>
+#include <linux/of_platform.h>
+
+#include <asm/mach/arch.h>
+
+static void __init bcm4760_init(void)
+{
+	of_clk_init(NULL);
+	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static const char * const bcm4760_compat[] __initconst = {
+	"brcm,bcm4760",
+	NULL,
+};
+
+DT_MACHINE_START(BCM4760, "Broadcom BCM4760")
+	.init_machine = bcm4760_init,
+	.dt_compat = bcm4760_compat,
+MACHINE_END
Index: b/MAINTAINERS
===================================================================
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1839,6 +1839,13 @@  F:	arch/arm/boot/dts/bcm2835*
 F:	arch/arm/configs/bcm2835_defconfig
 F:	drivers/*/*bcm2835*
 
+BROADCOM BCM4760 ARM ARCHITECTURE
+M:	Domenico Andreoli <domenico.andreoli@linux.com>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:	Maintained
+F:	arch/arm/mach-bcm/bcm4760.c
+F:	drivers/*/*bcm4760*
+
 BROADCOM TG3 GIGABIT ETHERNET DRIVER
 M:	Nithin Nayak Sujir <nsujir@broadcom.com>
 M:	Michael Chan <mchan@broadcom.com>
Index: b/arch/arm/boot/dts/Makefile
===================================================================
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -42,6 +42,7 @@  dtb-$(CONFIG_ARCH_AT91)	+= sama5d34ek.dt
 dtb-$(CONFIG_ARCH_AT91)	+= sama5d35ek.dtb
 
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
+dtb-$(CONFIG_ARCH_BCM4760) += bcm4760-catalina.dtb
 dtb-$(CONFIG_ARCH_BCM) += bcm11351-brt.dtb \
 	bcm28155-ap.dtb
 dtb-$(CONFIG_ARCH_DAVINCI) += da850-enbw-cmc.dtb \
Index: b/arch/arm/boot/dts/bcm4760-catalina.dts
===================================================================
--- /dev/null
+++ b/arch/arm/boot/dts/bcm4760-catalina.dts
@@ -0,0 +1,11 @@ 
+/dts-v1/;
+#include "bcm4760.dtsi"
+
+/ {
+	compatible = "brcm,catalina", "brcm,bcm4760";
+	model = "Broadcom Catalina";
+
+	memory {
+		reg = <0x30000000 0x4000000>;
+	};
+};
Index: b/arch/arm/boot/dts/bcm4760.dtsi
===================================================================
--- /dev/null
+++ b/arch/arm/boot/dts/bcm4760.dtsi
@@ -0,0 +1,75 @@ 
+#include "skeleton.dtsi"
+
+/ {
+	compatible = "brcm,bcm4760";
+	model = "Broadcom BCM4760";
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pclk: plc_m1 {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <100100000>;
+		};
+
+		uartclk: pla_m1 {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <78000000>;
+		};
+	};
+
+	amba {
+		compatible = "arm,amba-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		vic0: interrupt-controller@80000 {
+			compatible = "brcm,bcm4760-pl192", "arm,pl192-vic", "arm,primecell";
+			reg = <0x80000 0x1000>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		vic1: interrupt-controller@81000 {
+			compatible = "brcm,bcm4760-pl192", "arm,pl192-vic", "arm,primecell";
+			reg = <0x81000 0x1000>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			clocks = <&pclk>;
+			clock-names = "apb_pclk";
+		};
+
+		serial0: uart@c0000 {
+			compatible = "brcm,bcm4760-pl011", "arm,pl011", "arm,primecell";
+			reg = <0xc0000 0x1000>;
+			interrupt-parent = <&vic0>;
+			interrupts = <14>;
+			clocks = <&uartclk>, <&pclk>;
+			clock-names = "uartclk", "apb_pclk";
+		};
+
+		serial1: uart@c1000 {
+			compatible = "brcm,bcm4760-pl011", "arm,pl011", "arm,primecell";
+			reg = <0xc1000 0x1000>;
+			interrupt-parent = <&vic0>;
+			interrupts = <15>;
+			clocks = <&uartclk>, <&pclk>;
+			clock-names = "uartclk", "apb_pclk";
+		};
+
+		serial2: uart@b2000 {
+			compatible = "brcm,bcm4760-pl011", "arm,pl011", "arm,primecell";
+			reg = <0xb2000 0x1000>;
+			interrupt-parent = <&vic0>;
+			interrupts = <16>;
+			clocks = <&uartclk>, <&pclk>;
+			clock-names = "uartclk", "apb_pclk";
+		};
+	};
+};
Index: b/arch/arm/mach-bcm/Kconfig
===================================================================
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -18,3 +18,10 @@  config ARCH_BCM
 	  It currently supports the 'BCM281XX' family, which includes
 	  BCM11130, BCM11140, BCM11351, BCM28145 and
 	  BCM28155 variants.
+
+config ARCH_BCM4760
+	bool "Broadcom BCM4760 based SoCs (ARM11)" if ARCH_MULTI_V6
+	select ARM_AMBA
+	select ARM_VIC
+	select CLKSRC_OF
+	select SOC_BUS
Index: b/arch/arm/mach-bcm/Makefile
===================================================================
--- a/arch/arm/mach-bcm/Makefile
+++ b/arch/arm/mach-bcm/Makefile
@@ -13,3 +13,5 @@ 
 obj-$(CONFIG_ARCH_BCM)		:= board_bcm281xx.o bcm_kona_smc.o bcm_kona_smc_asm.o kona.o
 plus_sec := $(call as-instr,.arch_extension sec,+sec)
 AFLAGS_bcm_kona_smc_asm.o	:=-Wa,-march=armv7-a$(plus_sec)
+
+obj-$(CONFIG_ARCH_BCM4760)	+= bcm4760.o
Index: b/arch/arm/Kconfig.debug
===================================================================
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -94,6 +94,21 @@  choice
 		depends on ARCH_BCM2835
 		select DEBUG_UART_PL01X
 
+	config DEBUG_BCM4760_UART0
+		bool "Kernel low-level debugging on BCM4760 PL011 UART0"
+		depends on ARCH_BCM4760
+		select DEBUG_UART_PL01X
+
+	config DEBUG_BCM4760_UART1
+		bool "Kernel low-level debugging on BCM4760 PL011 UART1"
+		depends on ARCH_BCM4760
+		select DEBUG_UART_PL01X
+
+	config DEBUG_BCM4760_UART2
+		bool "Kernel low-level debugging on BCM4760 PL011 UART2"
+		depends on ARCH_BCM4760
+		select DEBUG_UART_PL01X
+
 	config DEBUG_CLPS711X_UART1
 		bool "Kernel low-level debugging messages via UART1"
 		depends on ARCH_CLPS711X
@@ -929,6 +944,9 @@  config DEBUG_UART_8250
 
 config DEBUG_UART_PHYS
 	hex "Physical base address of debug UART"
+	default 0x000b2000 if DEBUG_BCM4760_UART2
+	default 0x000c0000 if DEBUG_BCM4760_UART0
+	default 0x000c1000 if DEBUG_BCM4760_UART1
 	default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0
 	default 0x01c28000 if DEBUG_SUNXI_UART0
 	default 0x01c28400 if DEBUG_SUNXI_UART1
@@ -985,6 +1003,9 @@  config DEBUG_UART_PHYS
 
 config DEBUG_UART_VIRT
 	hex "Virtual base address of debug UART"
+	default 0xd00b2000 if DEBUG_BCM4760_UART2
+	default 0xd00c0000 if DEBUG_BCM4760_UART0
+	default 0xd00c1000 if DEBUG_BCM4760_UART1
 	default 0xe0010fe0 if ARCH_RPC
 	default 0xf0000be0 if ARCH_EBSA110
 	default 0xf0009000 if DEBUG_CNS3XXX