Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Improved and new platform support for various SoCs:

  New SoC support:
   - Broadcom BCM23550
   - Freescale i.MX7Solo
   - Qualcomm MDM9615
   - Renesas r8a7792

  Improvements:
   - convert clps711x to multiplatform
   - debug uart improvements for Atmel platforms
   - Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram
   - OMAP tweaks and improvements to hwmod
   - OMAP support for kexec on SMP"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
  ARM: davinci: fix build break because of undeclared dm365_evm_snd_data
  ARM: s3c64xx: smartq: Avoid sparse warnings
  ARM: sti: Implement dummy L2 cache's write_sec
  ARM: STi: Update machine _namestr to be more generic.
  arm: meson: explicitly select clk drivers
  ARM: tango: add Suspend-to-RAM support
  ARM: hisi: consolidate the hisilicon machine entries
  ARM: tango: fix CONFIG_HOTPLUG_CPU=n build
  MAINTAINERS: Update BCM281XX/BCM11XXX/BCM216XX entry
  MAINTAINERS: Update BCM63XX entry
  MAINTAINERS: Add NS2 entry
  MAINTAINERS: Fix nsp false-positives
  MAINTAINERS: Change L to M for Broadcom ARM/ARM64 SoC entries
  ARM: debug: Enable DEBUG_BCM_5301X for Northstar Plus SoCs
  ARM: clps711x: Switch to MULTIPLATFORM
  ARM: clps711x: Remove boards support
  ARM: clps711x: Add basic DT support
  ARM: clps711x: Reduce static map size
  ARM: SAMSUNG: Constify iomem address passed to s5p_init_cpu
  ARM: oxnas: Change OX810SE default driver config
  ...

Documentation/arm/Atmel/README

@@ -91,9 +91,15 @@ the Atmel website: http://www.atmel.com.
           http://www.atmel.com/Images/Atmel-11238-32-bit-Cortex-A5-Microcontroller-SAMA5D4_Datasheet.pdf
 
       - sama5d2 family
-        - sama5d27
+        - sama5d21
+        - sama5d22
+        - sama5d23
+        - sama5d24
+        - sama5d26
+        - sama5d27 (device superset)
+        - sama5d28 (device superset + environmental monitors)
         + Datasheet
-          Coming soon
+          http://www.atmel.com/Images/Atmel-11267-32-bit-Cortex-A5-Microcontroller-SAMA5D2_Datasheet.pdf
 
 
 Linux kernel information

Documentation/devicetree/bindings/net/fsl-fec.txt

@@ -27,6 +27,9 @@ Optional properties:
   number to 1.
 - fsl,magic-packet : If present, indicates that the hardware supports waking
   up via magic packet.
+- fsl,err006687-workaround-present: If present indicates that the system has
+  the hardware workaround for ERR006687 applied and does not need a software
+  workaround.
 
 Optional subnodes:
 - mdio : specifies the mdio bus in the FEC, used as a container for phy nodes

Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt

@@ -14,6 +14,7 @@ Required properties:
       - "renesas,r8a7793-sysc" (R-Car M2-N)
       - "renesas,r8a7794-sysc" (R-Car E2)
       - "renesas,r8a7795-sysc" (R-Car H3)
+      - "renesas,r8a7796-sysc" (R-Car M3-W)
   - reg: Address start and address range for the device.
   - #power-domain-cells: Must be 1.
 

MAINTAINERS

@@ -1613,8 +1613,10 @@ F:	arch/arm/mach-s3c24*/
 F:	arch/arm/mach-s3c64xx/
 F:	arch/arm/mach-s5p*/
 F:	arch/arm/mach-exynos*/
-F:	drivers/*/*s3c2410*
-F:	drivers/*/*/*s3c2410*
+F:	drivers/*/*s3c24*
+F:	drivers/*/*/*s3c24*
+F:	drivers/*/*s3c64xx*
+F:	drivers/*/*s5pv210*
 F:	drivers/memory/samsung/*
 F:	drivers/soc/samsung/*
 F:	drivers/spi/spi-s3c*
@@ -1752,8 +1754,7 @@ ARM/TANGO ARCHITECTURE
 M:	Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
 L:	linux-arm-kernel@lists.infradead.org
 S:	Maintained
-F:	arch/arm/mach-tango/
-F:	arch/arm/boot/dts/tango*
+N:	tango
 
 ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
 M:	Lennert Buytenhek <kernel@wantstofly.org>
@@ -2507,17 +2508,14 @@ BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITECTURE
 M:	Florian Fainelli <f.fainelli@gmail.com>
 M:	Ray Jui <rjui@broadcom.com>
 M:	Scott Branden <sbranden@broadcom.com>
-L:	bcm-kernel-feedback-list@broadcom.com
+M:	bcm-kernel-feedback-list@broadcom.com
 T:	git git://github.com/broadcom/mach-bcm
 S:	Maintained
+N:	bcm281*
+N:	bcm113*
+N:	bcm216*
+N:	kona
 F:	arch/arm/mach-bcm/
-F:	arch/arm/boot/dts/bcm113*
-F:	arch/arm/boot/dts/bcm216*
-F:	arch/arm/boot/dts/bcm281*
-F:	arch/arm64/boot/dts/broadcom/
-F:	arch/arm/configs/bcm_defconfig
-F:	drivers/mmc/host/sdhci-bcm-kona.c
-F:	drivers/clocksource/bcm_kona_timer.c
 
 BROADCOM BCM2835 ARM ARCHITECTURE
 M:	Stephen Warren <swarren@wwwdotorg.org>
@@ -2540,20 +2538,21 @@ F:	arch/mips/include/asm/mach-bcm47xx/*
 
 BROADCOM BCM5301X ARM ARCHITECTURE
 M:	Hauke Mehrtens <hauke@hauke-m.de>
+M:	Rafał Miłecki <zajec5@gmail.com>
+M:	bcm-kernel-feedback-list@broadcom.com
 L:	linux-arm-kernel@lists.infradead.org
 S:	Maintained
 F:	arch/arm/mach-bcm/bcm_5301x.c
-F:	arch/arm/boot/dts/bcm5301x.dtsi
+F:	arch/arm/boot/dts/bcm5301x*.dtsi
 F:	arch/arm/boot/dts/bcm470*
 
 BROADCOM BCM63XX ARM ARCHITECTURE
 M:	Florian Fainelli <f.fainelli@gmail.com>
+M:	bcm-kernel-feedback-list@broadcom.com
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L:	bcm-kernel-feedback-list@broadcom.com
 T:	git git://github.com/broadcom/stblinux.git
 S:	Maintained
-F:	arch/arm/mach-bcm/bcm63xx.c
-F:	arch/arm/include/debug/bcm63xx.S
+N:	bcm63xx
 
 BROADCOM BCM63XX/BCM33XX UDC DRIVER
 M:	Kevin Cernekee <cernekee@gmail.com>
@@ -2565,8 +2564,8 @@ BROADCOM BCM7XXX ARM ARCHITECTURE
 M:	Brian Norris <computersforpeace@gmail.com>
 M:	Gregory Fong <gregory.0xf0@gmail.com>
 M:	Florian Fainelli <f.fainelli@gmail.com>
+M:	bcm-kernel-feedback-list@broadcom.com
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L:	bcm-kernel-feedback-list@broadcom.com
 T:	git git://github.com/broadcom/stblinux.git
 S:	Maintained
 F:	arch/arm/mach-bcm/*brcmstb*
@@ -2623,13 +2622,13 @@ BROADCOM IPROC ARM ARCHITECTURE
 M:	Ray Jui <rjui@broadcom.com>
 M:	Scott Branden <sbranden@broadcom.com>
 M:	Jon Mason <jonmason@broadcom.com>
+M:	bcm-kernel-feedback-list@broadcom.com
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L:	bcm-kernel-feedback-list@broadcom.com
 T:	git git://github.com/broadcom/cygnus-linux.git
 S:	Maintained
 N:	iproc
 N:	cygnus
-N:	nsp
+N:	bcm[-_]nsp
 N:	bcm9113*
 N:	bcm9583*
 N:	bcm9585*
@@ -2640,6 +2639,9 @@ N:	bcm583*
 N:	bcm585*
 N:	bcm586*
 N:	bcm88312
+F:	arch/arm64/boot/dts/broadcom/ns2*
+F:	drivers/clk/bcm/clk-ns*
+F:	drivers/pinctrl/bcm/pinctrl-ns*
 
 BROADCOM BRCMSTB GPIO DRIVER
 M:	Gregory Fong <gregory.0xf0@gmail.com>
@@ -2684,8 +2686,8 @@ F:	drivers/net/ethernet/broadcom/bcmsysport.*
 
 BROADCOM VULCAN ARM64 SOC
 M:	Jayachandran C. <jchandra@broadcom.com>
+M:	bcm-kernel-feedback-list@broadcom.com
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L:	bcm-kernel-feedback-list@broadcom.com
 S:	Maintained
 F:	arch/arm64/boot/dts/broadcom/vulcan*
 

arch/arm/Kconfig

@@ -351,20 +351,6 @@ config ARM_SINGLE_ARMV7M
 	select SPARSE_IRQ
 	select USE_OF
 
-
-config ARCH_CLPS711X
-	bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
-	select AUTO_ZRELADDR
-	select COMMON_CLK
-	select CPU_ARM720T
-	select GENERIC_CLOCKEVENTS
-	select CLPS711X_TIMER
-	select GPIOLIB
-	select MFD_SYSCON
-	select SOC_BUS
-	help
-	  Support for Cirrus Logic 711x/721x/731x based boards.
-
 config ARCH_GEMINI
 	bool "Cortina Systems Gemini"
 	select CLKSRC_MMIO

arch/arm/Kconfig.debug

@@ -109,23 +109,41 @@ choice
 		    0x80020000      | 0xf0020000     | UART8
 		    0x80024000      | 0xf0024000     | UART9
 
-	config DEBUG_AT91_UART
-		bool "Kernel low-level debugging on Atmel SoCs"
-		depends on ARCH_AT91
+	config DEBUG_AT91_RM9200_DBGU
+		bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 DBGU"
+		select DEBUG_AT91_UART
+		depends on SOC_AT91RM9200 || SOC_AT91SAM9
 		help
-		  Say Y here if you want the debug print routines to direct
-		  their output to the serial port on atmel devices.
+		  Say Y here if you want kernel low-level debugging support
+		  on the DBGU port of:
+		    at91rm9200, at91sam9260, at91sam9g20, at91sam9261,
+		    at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5
 
-		  SOC                  DEBUG_UART_PHYS   DEBUG_UART_VIRT  PORT
-		  rm9200, 9260/9g20,   0xfffff200        0xfefff200       DBGU
-		  9261/9g10, 9rl
-		  9263, 9g45, sama5d3  0xffffee00        0xfeffee00       DBGU
-		  sama5d4              0xfc00c000        0xfb00c000       USART3
-		  sama5d4              0xfc069000        0xfb069000       DBGU
-		  sama5d2              0xf8020000        0xf7020000       UART1
+	config DEBUG_AT91_SAM9263_DBGU
+		bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU"
+		select DEBUG_AT91_UART
+		depends on SOC_AT91SAM9 || SOC_SAMA5D3
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on the DBGU port of:
+		    at91sam9263, at91sam9g45, at91sam9m10,
+		    sama5d3
 
-		  Please adjust DEBUG_UART_PHYS configuration options based on
-		  your needs.
+	config DEBUG_AT91_SAMA5D2_UART1
+		bool "Kernel low-level debugging on SAMA5D2 UART1"
+		select DEBUG_AT91_UART
+		depends on SOC_SAMA5D2
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on the UART1 port of sama5d2.
+
+	config DEBUG_AT91_SAMA5D4_USART3
+		bool "Kernel low-level debugging on SAMA5D4 USART3"
+		select DEBUG_AT91_UART
+		depends on SOC_SAMA5D4
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on the USART3 port of sama5d4.
 
 	config DEBUG_BCM2835
 		bool "Kernel low-level debugging on BCM2835 PL011 UART"
@@ -138,8 +156,8 @@ choice
 		select DEBUG_UART_PL01X
 
 	config DEBUG_BCM_5301X
-		bool "Kernel low-level debugging on BCM5301X UART1"
-		depends on ARCH_BCM_5301X
+		bool "Kernel low-level debugging on BCM5301X/NSP UART1"
+		depends on ARCH_BCM_5301X || ARCH_BCM_NSP
 		select DEBUG_UART_8250
 
 	config DEBUG_BCM_KONA_UART
@@ -1296,6 +1314,10 @@ choice
 
 endchoice
 
+config DEBUG_AT91_UART
+	bool
+	depends on ARCH_AT91
+
 config DEBUG_EXYNOS_UART
 	bool
 
@@ -1502,8 +1524,10 @@ config DEBUG_UART_PHYS
 	default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE
 	default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE
 	default 0xf7fc9000 if DEBUG_BERLIN_UART
+	default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1
 	default 0xf8b00000 if DEBUG_HIX5HD2_UART
 	default 0xf991e000 if DEBUG_QCOM_UARTDM
+	default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3
 	default 0xfcb00000 if DEBUG_HI3620_UART
 	default 0xfd883000 if DEBUG_ALPINE_UART0
 	default 0xfe800000 if ARCH_IOP32X
@@ -1518,6 +1542,8 @@ config DEBUG_UART_PHYS
 	default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2
 	default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3
 	default 0xfffe8600 if DEBUG_BCM63XX_UART
+	default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU
+	default 0xfffff200 if DEBUG_AT91_RM9200_DBGU
 	default 0xfffff700 if ARCH_IOP33X
 	depends on ARCH_EP93XX || \
 	        DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
@@ -1566,13 +1592,17 @@ config DEBUG_UART_VIRT
 				DEBUG_S3C2410_UART1)
 	default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
 				DEBUG_S3C2410_UART2)
+	default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1
 	default 0xf7fc9000 if DEBUG_BERLIN_UART
 	default 0xf8007000 if DEBUG_HIP04_UART
 	default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9
 	default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
+	default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU
+	default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU
 	default 0xfa71e000 if DEBUG_QCOM_UARTDM
 	default 0xfb002000 if DEBUG_CNS3XXX
 	default 0xfb009000 if DEBUG_REALVIEW_STD_PORT
+	default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3
 	default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
 	default 0xfc40ab00 if DEBUG_BRCMSTB_UART
 	default 0xfc705000 if DEBUG_ZTE_ZX
@@ -1627,7 +1657,8 @@ config DEBUG_UART_VIRT
 		DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \
 		DEBUG_S3C64XX_UART || \
 		DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \
-		DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0
+		DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \
+		DEBUG_AT91_UART
 
 config DEBUG_UART_8250_SHIFT
 	int "Register offset shift for the 8250 debug UART"

arch/arm/Makefile

@@ -140,7 +140,6 @@ head-y		:= arch/arm/kernel/head$(MMUEXT).o
 # Text offset. This list is sorted numerically by address in order to
 # provide a means to avoid/resolve conflicts in multi-arch kernels.
 textofs-y	:= 0x00008000
-textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
 # We don't want the htc bootloader to corrupt kernel during resume
 textofs-$(CONFIG_PM_H1940)      := 0x00108000
 # SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory

arch/arm/include/debug/at91.S

@@ -9,14 +9,6 @@
  *
 */
 
-#ifdef CONFIG_MMU
-#define AT91_IO_P2V(x) ((x) - 0x01000000)
-#else
-#define AT91_IO_P2V(x) (x)
-#endif
-
-#define AT91_DEBUG_UART_VIRT AT91_IO_P2V(CONFIG_DEBUG_UART_PHYS)
-
 #define AT91_DBGU_SR		(0x14)	/* Status Register */
 #define AT91_DBGU_THR		(0x1c)	/* Transmitter Holding Register */
 #define AT91_DBGU_TXRDY		(1 << 1)	/* Transmitter Ready */
@@ -24,7 +16,7 @@
 
 	.macro	addruart, rp, rv, tmp
 	ldr	\rp, =CONFIG_DEBUG_UART_PHYS		@ System peripherals (phys address)
-	ldr	\rv, =AT91_DEBUG_UART_VIRT		@ System peripherals (virt address)
+	ldr	\rv, =CONFIG_DEBUG_UART_VIRT		@ System peripherals (virt address)
 	.endm
 
 	.macro	senduart,rd,rx

arch/arm/include/debug/clps711x.S

@@ -9,10 +9,10 @@
 
 #ifndef CONFIG_DEBUG_CLPS711X_UART2
 #define CLPS711X_UART_PADDR	(0x80000000 + 0x0000)
-#define CLPS711X_UART_VADDR	(0xfeff0000 + 0x0000)
+#define CLPS711X_UART_VADDR	(0xfeff4000 + 0x0000)
 #else
 #define CLPS711X_UART_PADDR	(0x80000000 + 0x1000)
-#define CLPS711X_UART_VADDR	(0xfeff0000 + 0x1000)
+#define CLPS711X_UART_VADDR	(0xfeff4000 + 0x1000)
 #endif
 
 #define SYSFLG		(0x0140)

arch/arm/include/debug/exynos.S

@@ -24,7 +24,11 @@
 		mrc	p15, 0, \tmp, c0, c0, 0
 		and	\tmp, \tmp, #0xf0
 		teq	\tmp, #0xf0		@@ A15
-		ldreq	\rp, =EXYNOS5_PA_UART
+		beq	100f
+		mrc	p15, 0, \tmp, c0, c0, 5
+		and	\tmp, \tmp, #0xf00
+		teq	\tmp, #0x100		@@ A15 + A7 but boot to A7
+100:		ldreq	\rp, =EXYNOS5_PA_UART
 		movne	\rp, #EXYNOS4_PA_UART	@@ EXYNOS4
 		ldr	\rv, =S3C_VA_UART
 #if CONFIG_DEBUG_S3C_UART != 0

arch/arm/include/debug/samsung.S

@@ -15,11 +15,13 @@
 
 	.macro fifo_level_s5pv210 rd, rx
 		ldr	\rd, [\rx, # S3C2410_UFSTAT]
+ARM_BE8(rev \rd, \rd)
 		and	\rd, \rd, #S5PV210_UFSTAT_TXMASK
 	.endm
 
 	.macro  fifo_full_s5pv210 rd, rx
 		ldr	\rd, [\rx, # S3C2410_UFSTAT]
+ARM_BE8(rev \rd, \rd)
 		tst	\rd, #S5PV210_UFSTAT_TXFULL
 	.endm
 
@@ -28,6 +30,7 @@
 
 	.macro fifo_level_s3c2440 rd, rx
 		ldr	\rd, [\rx, # S3C2410_UFSTAT]
+ARM_BE8(rev \rd, \rd)
 		and	\rd, \rd, #S3C2440_UFSTAT_TXMASK
 	.endm
 
@@ -37,6 +40,7 @@
 
 	.macro  fifo_full_s3c2440 rd, rx
 		ldr	\rd, [\rx, # S3C2410_UFSTAT]
+ARM_BE8(rev \rd, \rd)
 		tst	\rd, #S3C2440_UFSTAT_TXFULL
 	.endm
 
@@ -50,6 +54,7 @@
 
 	.macro	busyuart, rd, rx
 		ldr	\rd, [\rx, # S3C2410_UFCON]
+ARM_BE8(rev \rd, \rd)
 		tst	\rd, #S3C2410_UFCON_FIFOMODE	@ fifo enabled?
 		beq	1001f				@
 		@ FIFO enabled...
@@ -61,6 +66,7 @@
 1001:
 		@ busy waiting for non fifo
 		ldr	\rd, [\rx, # S3C2410_UTRSTAT]
+ARM_BE8(rev \rd, \rd)
 		tst	\rd, #S3C2410_UTRSTAT_TXFE
 		beq	1001b
 
@@ -69,6 +75,7 @@
 
 	.macro	waituart,rd,rx
 		ldr	\rd, [\rx, # S3C2410_UFCON]
+ARM_BE8(rev \rd, \rd)
 		tst	\rd, #S3C2410_UFCON_FIFOMODE	@ fifo enabled?
 		beq	1001f				@
 		@ FIFO enabled...
@@ -80,6 +87,7 @@
 1001:
 		@ idle waiting for non fifo
 		ldr	\rd, [\rx, # S3C2410_UTRSTAT]
+ARM_BE8(rev \rd, \rd)
 		tst	\rd, #S3C2410_UTRSTAT_TXFE
 		beq	1001b
 

arch/arm/mach-at91/pm.c

@@ -22,6 +22,7 @@
 #include <linux/of_platform.h>
 #include <linux/of_address.h>
 #include <linux/platform_device.h>
+#include <linux/platform_data/atmel.h>
 #include <linux/io.h>
 #include <linux/clk/at91_pmc.h>
 
@@ -355,7 +356,7 @@ static __init void at91_dt_ramc(void)
 	at91_pm_set_standby(standby);
 }
 
-void at91rm9200_idle(void)
+static void at91rm9200_idle(void)
 {
 	/*
 	 * Disable the processor clock.  The processor will be automatically
@@ -364,7 +365,7 @@ void at91rm9200_idle(void)
 	writel(AT91_PMC_PCK, pmc + AT91_PMC_SCDR);
 }
 
-void at91sam9_idle(void)
+static void at91sam9_idle(void)
 {
 	writel(AT91_PMC_PCK, pmc + AT91_PMC_SCDR);
 	cpu_do_idle();

arch/arm/mach-bcm/Kconfig

@@ -112,9 +112,17 @@ config ARCH_BCM_21664
 	  Enable support for the BCM21664 family, which includes
 	  BCM21663 and BCM21664 variants.
 
+config ARCH_BCM_23550
+	bool "Broadcom BCM23550 SoC"
+	depends on ARCH_MULTI_V7
+	select ARCH_BCM_MOBILE
+	select HAVE_SMP
+	help
+	  Enable support for the BCM23550.
+
 config ARCH_BCM_MOBILE_L2_CACHE
 	bool "Broadcom mobile SoC level 2 cache support"
-	depends on ARCH_BCM_MOBILE
+	depends on ARCH_BCM_281XX || ARCH_BCM_21664
 	default y
 	select CACHE_L2X0
 	select ARCH_BCM_MOBILE_SMC
@@ -129,7 +137,7 @@ config ARCH_BCM_MOBILE_SMP
 	select HAVE_ARM_SCU
 	select ARM_ERRATA_764369
 	help
-	  SMP support for the BCM281XX and BCM21664 SoC families.
+	  SMP support for the BCM281XX, BCM21664 and BCM23550 SoC families.
 	  Provided as an option so SMP support for SoCs of this type
 	  can be disabled for an SMP-enabled kernel.
 

arch/arm/mach-bcm/Makefile

@@ -26,7 +26,10 @@ obj-$(CONFIG_ARCH_BCM_281XX)	+= board_bcm281xx.o
 # BCM21664
 obj-$(CONFIG_ARCH_BCM_21664)	+= board_bcm21664.o
 
-# BCM281XX and BCM21664 SMP support
+# BCM23550
+obj-$(CONFIG_ARCH_BCM_23550)	+= board_bcm23550.o
+
+# BCM281XX, BCM21664 and BCM23550 SMP support
 obj-$(CONFIG_ARCH_BCM_MOBILE_SMP) += platsmp.o
 
 # BCM281XX and BCM21664 L2 cache control

arch/arm/mach-bcm/board_bcm21664.c

@@ -11,52 +11,10 @@
  * GNU General Public License for more details.
  */
 
-#include <linux/of_address.h>
-#include <linux/io.h>
-
 #include <asm/mach/arch.h>
 
 #include "kona_l2_cache.h"
 
-#define RSTMGR_DT_STRING		"brcm,bcm21664-resetmgr"
-
-#define RSTMGR_REG_WR_ACCESS_OFFSET	0
-#define RSTMGR_REG_CHIP_SOFT_RST_OFFSET	4
-
-#define RSTMGR_WR_PASSWORD		0xa5a5
-#define RSTMGR_WR_PASSWORD_SHIFT	8
-#define RSTMGR_WR_ACCESS_ENABLE		1
-
-static void bcm21664_restart(enum reboot_mode mode, const char *cmd)
-{
-	void __iomem *base;
-	struct device_node *resetmgr;
-
-	resetmgr = of_find_compatible_node(NULL, NULL, RSTMGR_DT_STRING);
-	if (!resetmgr) {
-		pr_emerg("Couldn't find " RSTMGR_DT_STRING "\n");
-		return;
-	}
-	base = of_iomap(resetmgr, 0);
-	if (!base) {
-		pr_emerg("Couldn't map " RSTMGR_DT_STRING "\n");
-		return;
-	}
-
-	/*
-	 * A soft reset is triggered by writing a 0 to bit 0 of the soft reset
-	 * register. To write to that register we must first write the password
-	 * and the enable bit in the write access enable register.
-	 */
-	writel((RSTMGR_WR_PASSWORD << RSTMGR_WR_PASSWORD_SHIFT) |
-		RSTMGR_WR_ACCESS_ENABLE,
-		base + RSTMGR_REG_WR_ACCESS_OFFSET);
-	writel(0, base + RSTMGR_REG_CHIP_SOFT_RST_OFFSET);
-
-	/* Wait for reset */
-	while (1);
-}
-
 static void __init bcm21664_init(void)
 {
 	kona_l2_cache_init();
@@ -69,6 +27,5 @@ static const char * const bcm21664_dt_compat[] = {
 
 DT_MACHINE_START(BCM21664_DT, "BCM21664 Broadcom Application Processor")
 	.init_machine = bcm21664_init,
-	.restart = bcm21664_restart,
 	.dt_compat = bcm21664_dt_compat,
 MACHINE_END

arch/arm/mach-bcm/board_bcm23550.c

+/*
+ * Copyright (C) 2016 Broadcom
+ *
+ * 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 version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/of_platform.h>
+
+#include <asm/mach/arch.h>
+
+static const char * const bcm23550_dt_compat[] = {
+	"brcm,bcm23550",
+	NULL,
+};
+
+DT_MACHINE_START(BCM23550_DT, "BCM23550 Broadcom Application Processor")
+	.dt_compat = bcm23550_dt_compat,
+MACHINE_END

arch/arm/mach-bcm/kona_l2_cache.c

@@ -17,6 +17,7 @@
 #include <asm/hardware/cache-l2x0.h>
 
 #include "bcm_kona_smc.h"
+#include "kona_l2_cache.h"
 
 void __init kona_l2_cache_init(void)
 {

arch/arm/mach-bcm/platsmp.c

@@ -19,6 +19,7 @@
 #include <linux/io.h>
 #include <linux/jiffies.h>
 #include <linux/of.h>
+#include <linux/of_address.h>
 #include <linux/sched.h>
 #include <linux/smp.h>
 
@@ -255,6 +256,57 @@ static int kona_boot_secondary(unsigned int cpu, struct task_struct *idle)
 	return -ENXIO;
 }
 
+/* Cluster Dormant Control command to bring CPU into a running state */
+#define CDC_CMD			6
+#define CDC_CMD_OFFSET		0
+#define CDC_CMD_REG(cpu)	(CDC_CMD_OFFSET + 4*(cpu))
+
+/*
+ * BCM23550 has a Cluster Dormant Control block that keeps the core in
+ * idle state. A command needs to be sent to the block to bring the CPU
+ * into running state.
+ */
+static int bcm23550_boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+	void __iomem *cdc_base;
+	struct device_node *dn;
+	char *name;
+	int ret;
+
+	/* Make sure a CDC node exists before booting the
+	 * secondary core.
+	 */
+	name = "brcm,bcm23550-cdc";
+	dn = of_find_compatible_node(NULL, NULL, name);
+	if (!dn) {
+		pr_err("unable to find cdc node\n");
+		return -ENODEV;
+	}
+
+	cdc_base = of_iomap(dn, 0);
+	of_node_put(dn);
+
+	if (!cdc_base) {
+		pr_err("unable to remap cdc base register\n");
+		return -ENOMEM;
+	}
+
+	/* Boot the secondary core */
+	ret = kona_boot_secondary(cpu, idle);
+	if (ret)
+		goto out;
+
+	/* Bring this CPU to RUN state so that nIRQ nFIQ
+	 * signals are unblocked.
+	 */
+	writel_relaxed(CDC_CMD, cdc_base + CDC_CMD_REG(cpu));
+
+out:
+	iounmap(cdc_base);
+
+	return ret;
+}
+
 static int nsp_boot_secondary(unsigned int cpu, struct task_struct *idle)
 {
 	int ret;
@@ -283,6 +335,12 @@ static const struct smp_operations bcm_smp_ops __initconst = {
 CPU_METHOD_OF_DECLARE(bcm_smp_bcm281xx, "brcm,bcm11351-cpu-method",
 			&bcm_smp_ops);
 
+static const struct smp_operations bcm23550_smp_ops __initconst = {
+	.smp_boot_secondary	= bcm23550_boot_secondary,
+};
+CPU_METHOD_OF_DECLARE(bcm_smp_bcm23550, "brcm,bcm23550",
+			&bcm23550_smp_ops);
+
 static const struct smp_operations nsp_smp_ops __initconst = {
 	.smp_prepare_cpus	= bcm_smp_prepare_cpus,
 	.smp_boot_secondary	= nsp_boot_secondary,

arch/arm/mach-clps711x/Kconfig

-if ARCH_CLPS711X
-
-menu "CLPS711X/EP721X/EP731X Implementations"
-
-config ARCH_AUTCPU12
-	bool "AUTCPU12"
-	help
-	  Say Y if you intend to run the kernel on the autronix autcpu12
-	  board. This board is based on a Cirrus Logic CS89712.
-
-config ARCH_CDB89712
-	bool "CDB89712"
-	help
-	  This is an evaluation board from Cirrus for the CS89712 processor.
-	  The board includes 2 serial ports, Ethernet, IRDA, and expansion
-	  headers.  It comes with 16 MB SDRAM and 8 MB flash ROM.
-
-config ARCH_CLEP7312
-	bool "CLEP7312"
-	help
-	  Boards based on the Cirrus Logic 7212/7312 chips.
-
-config ARCH_EDB7211
-	bool "EDB7211"
-	select ARCH_HAS_HOLES_MEMORYMODEL
-	help
-	  Say Y here if you intend to run this kernel on a Cirrus Logic EDB-7211
-	  evaluation board.
-
-config ARCH_P720T
-	bool "P720T"
-	help
-	  Say Y here if you intend to run this kernel on the ARM Prospector
-	  720T.
-
-endmenu
-
-endif
+menuconfig ARCH_CLPS711X
+	bool "Cirrus Logic EP721x/EP731x-based"
+	depends on ARCH_MULTI_V4T
+	select ARCH_REQUIRE_GPIOLIB
+	select AUTO_ZRELADDR
+	select CLKSRC_MMIO
+	select CLKSRC_OF
+	select COMMON_CLK
+	select CPU_ARM720T
+	select GENERIC_CLOCKEVENTS
+	select MFD_SYSCON
+	select OF_IRQ
+	select USE_OF
+	help
+	  Select this if you use ARMv4T Cirrus Logic chips.

arch/arm/mach-clps711x/Makefile

-#
-# Makefile for the linux kernel.
-#
-
-# Object file lists.
-
-obj-y				:= common.o devices.o
-
-obj-$(CONFIG_ARCH_AUTCPU12)	+= board-autcpu12.o
-obj-$(CONFIG_ARCH_CDB89712)	+= board-cdb89712.o
-obj-$(CONFIG_ARCH_CLEP7312)	+= board-clep7312.o
-obj-$(CONFIG_ARCH_EDB7211)	+= board-edb7211.o
-obj-$(CONFIG_ARCH_P720T)	+= board-p720t.o
+obj-y += board-dt.o