Merge pull request #1699 from notro/bcm270x-multi-1

bcm270x: Convert to ARCH_MULTIPLATFORM
raspberrypi · Oct 28, 2016 · 7ede3d5 · 7ede3d5
2 parents b4c5ab4 + e95a591
commit 7ede3d5
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Showing 60 changed files with 199 additions and 652 deletions.
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
@@ -326,52 +326,6 @@ choice
 	default ARM_SINGLE_ARMV7M if !MMU
 	default ARCH_MULTIPLATFORM if MMU
 
-config ARCH_BCM2708
-	bool "Broadcom BCM2708 family"
-	select CPU_V6
-	select ARM_AMBA
-	select CLKSRC_MMIO
-	select CLKSRC_OF if OF
-	select HAVE_SCHED_CLOCK
-	select NEED_MACH_GPIO_H
-	select NEED_MACH_MEMORY_H
-	select COMMON_CLK
-	select ARCH_HAS_CPUFREQ
-	select GENERIC_CLOCKEVENTS
-	select ARM_ERRATA_411920
-	select MACH_BCM2708
-	select MULTI_IRQ_HANDLER
-	select SPARSE_IRQ
-	select VC4
-	select FIQ
-	help
-	  This enables support for Broadcom BCM2708 boards.
-
-config ARCH_BCM2709
-	bool "Broadcom BCM2709 family"
-	select CPU_V7
-	select HAVE_SMP
-	select ARM_AMBA
-	select MIGHT_HAVE_CACHE_L2X0
-	select HAVE_SCHED_CLOCK
-	select NEED_MACH_MEMORY_H
-	select NEED_MACH_IO_H
-	select COMMON_CLK
-	select ARCH_HAS_CPUFREQ
-	select GENERIC_CLOCKEVENTS
-	select MACH_BCM2709
-	select MULTI_IRQ_HANDLER
-	select SPARSE_IRQ
-	select MFD_SYSCON
-	select VC4
-	select FIQ
-	select USE_OF
-	select ARCH_REQUIRE_GPIOLIB
-	select PINCTRL
-	select PINCTRL_BCM2835
-	help
-	  This enables support for Broadcom BCM2709 boards.
-
 config ARCH_MULTIPLATFORM
 	bool "Allow multiple platforms to be selected"
 	depends on MMU
@@ -757,9 +711,6 @@ config ARCH_VIRT
 # Kconfigs may be included either alphabetically (according to the
 # plat- suffix) or along side the corresponding mach-* source.
 #
-source "arch/arm/mach-bcm2708/Kconfig"
-source "arch/arm/mach-bcm2709/Kconfig"
-
 source "arch/arm/mach-mvebu/Kconfig"
 
 source "arch/arm/mach-alpine/Kconfig"

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
@@ -147,12 +147,12 @@ choice
 
 	config DEBUG_BCM2835
 		bool "Kernel low-level debugging on BCM2835 PL011 UART"
-		depends on (ARCH_BCM2835 && ARCH_MULTI_V6) || ARCH_BCM2708
+		depends on ARCH_BCM2835 && ARCH_MULTI_V6
 		select DEBUG_UART_PL01X
 
 	config DEBUG_BCM2836
 		bool "Kernel low-level debugging on BCM2836 PL011 UART"
-		depends on (ARCH_BCM2835 && ARCH_MULTI_V7) || ARCH_BCM2709
+		depends on ARCH_BCM2835 && ARCH_MULTI_V7
 		select DEBUG_UART_PL01X
 
 	config DEBUG_BCM_5301X
@@ -1695,8 +1695,7 @@ config DEBUG_UART_8250_FLOW_CONTROL
 
 config DEBUG_UNCOMPRESS
 	bool
-	depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M || \
-		   ARCH_BCM2708 || ARCH_BCM2709
+	depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
 	default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
 		     (!DEBUG_TEGRA_UART || !ZBOOT_ROM)
 	help
@@ -1713,8 +1712,7 @@ config DEBUG_UNCOMPRESS
 config UNCOMPRESS_INCLUDE
 	string
 	default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
-					PLAT_SAMSUNG || ARM_SINGLE_ARMV7M || \
-					ARCH_BCM2708 || ARCH_BCM2709
+					PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
 	default "mach/uncompress.h"
 
 config EARLY_PRINTK

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
@@ -152,8 +152,6 @@ textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
 
 # Machine directory name.  This list is sorted alphanumerically
 # by CONFIG_* macro name.
-machine-$(CONFIG_ARCH_BCM2708)		+= bcm2708
-machine-$(CONFIG_ARCH_BCM2709)		+= bcm2709
 machine-$(CONFIG_ARCH_ALPINE)		+= alpine
 machine-$(CONFIG_ARCH_ARTPEC)		+= artpec
 machine-$(CONFIG_ARCH_AT91)		+= at91

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
@@ -3,7 +3,6 @@ ifeq ($(CONFIG_OF),y)
 dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-b.dtb
 dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-b-plus.dtb
 dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-cm.dtb
-dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-cm.dtb
 dtb-$(CONFIG_ARCH_BCM2709) += bcm2709-rpi-2-b.dtb
 dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-3-b.dtb
 dtb-$(CONFIG_ARCH_BCM2709) += bcm2710-rpi-cm3.dtb

diff --git a/arch/arm/boot/dts/bcm2708.dtsi b/arch/arm/boot/dts/bcm2708.dtsi
@@ -7,9 +7,6 @@
 	model = "BCM2708";
 
 	soc {
-		ranges = <0x7e000000 0x20000000 0x01000000>;
-		/delete-property/ dma-ranges;
-
 		timer@7e003000 {
 			compatible = "brcm,bcm2835-system-timer";
 			reg = <0x7e003000 0x1000>;

diff --git a/arch/arm/boot/dts/bcm2709.dtsi b/arch/arm/boot/dts/bcm2709.dtsi
@@ -9,7 +9,6 @@
 	soc {
 		ranges = <0x7e000000 0x3f000000 0x01000000>,
 		         <0x40000000 0x40000000 0x00040000>;
-		/delete-property/ dma-ranges;
 
 		syscon@40000000 {
 			compatible = "brcm,bcm2836-arm-local", "syscon";

diff --git a/arch/arm/boot/dts/bcm2710.dtsi b/arch/arm/boot/dts/bcm2710.dtsi
@@ -9,9 +9,7 @@
 	soc {
 		ranges = <0x7e000000 0x3f000000 0x01000000>,
 		         <0x40000000 0x40000000 0x00040000>;
-#ifdef RPI364
 		dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
-#endif
 
 		local_intc: local_intc {
 			compatible = "brcm,bcm2836-l1-intc";
@@ -143,9 +141,7 @@
 
 &intc {
 	compatible = "brcm,bcm2836-armctrl-ic";
-#ifdef RPI364
 	reg = <0x7e00b200 0x200>;
-#endif
 	interrupt-parent = <&local_intc>;
 	interrupts = <8>;
 };

diff --git a/arch/arm/boot/dts/bcm2835-rpi-cm.dts b/arch/arm/boot/dts/bcm2835-rpi-cm.dts
diff --git a/arch/arm/boot/dts/bcm2835-rpi-cm.dtsi b/arch/arm/boot/dts/bcm2835-rpi-cm.dtsi
diff --git a/arch/arm/configs/bcm2709_defconfig b/arch/arm/configs/bcm2709_defconfig
@@ -1,5 +1,3 @@
-# CONFIG_ARM_PATCH_PHYS_VIRT is not set
-CONFIG_PHYS_OFFSET=0
 CONFIG_LOCALVERSION="-v7"
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SYSVIPC=y
@@ -39,10 +37,10 @@ CONFIG_BLK_DEV_THROTTLING=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_MAC_PARTITION=y
 CONFIG_CFQ_GROUP_IOSCHED=y
+CONFIG_ARCH_BCM=y
 CONFIG_ARCH_BCM2709=y
 # CONFIG_CACHE_L2X0 is not set
 CONFIG_SMP=y
-CONFIG_HAVE_ARM_ARCH_TIMER=y
 CONFIG_VMSPLIT_2G=y
 CONFIG_PREEMPT_VOLUNTARY=y
 CONFIG_AEABI=y

diff --git a/arch/arm/configs/bcmrpi_defconfig b/arch/arm/configs/bcmrpi_defconfig
@@ -1,5 +1,3 @@
-# CONFIG_ARM_PATCH_PHYS_VIRT is not set
-CONFIG_PHYS_OFFSET=0
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -38,7 +36,11 @@ CONFIG_BLK_DEV_THROTTLING=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_MAC_PARTITION=y
 CONFIG_CFQ_GROUP_IOSCHED=y
+CONFIG_ARCH_MULTI_V6=y
+# CONFIG_ARCH_MULTI_V7 is not set
+CONFIG_ARCH_BCM=y
 CONFIG_ARCH_BCM2708=y
+# CONFIG_CACHE_L2X0 is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 CONFIG_AEABI=y
 CONFIG_OABI_COMPAT=y

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
@@ -91,16 +91,6 @@ void arch_cpu_idle_exit(void)
 	ledtrig_cpu(CPU_LED_IDLE_END);
 }
 
-char bcm2708_reboot_mode = 'h';
-
-int __init reboot_setup(char *str)
-{
-	bcm2708_reboot_mode = str[0];
-	return 1;
-}
-
-__setup("reboot=", reboot_setup);
-
 void __show_regs(struct pt_regs *regs)
 {
 	unsigned long flags;

diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
@@ -160,6 +160,29 @@ config ARCH_BCM2835
 	  This enables support for the Broadcom BCM2835 and BCM2836 SoCs.
 	  This SoC is used in the Raspberry Pi and Roku 2 devices.
 
+config MACH_BCM2708
+	bool "Enable optimized __copy_to_user and __copy_from_user"
+	depends on ARCH_BCM2708
+	default y
+	help
+	  Optimized versions of __copy_to_user and __copy_from_user for Pi1.
+
+config ARCH_BCM2708
+	bool "Broadcom BCM2708 family"
+	depends on ARCH_MULTI_V6
+	select ARCH_BCM2835
+	help
+	  This enables support for Broadcom BCM2708 boards.
+
+config ARCH_BCM2709
+	bool "Broadcom BCM2709 family"
+	depends on ARCH_MULTI_V7
+	select ARCH_BCM2835
+	select HAVE_SMP
+	select MFD_SYSCON
+	help
+	  This enables support for Broadcom BCM2709 boards.
+
 config ARCH_BCM_63XX
 	bool "Broadcom BCM63xx DSL SoC"
 	depends on ARCH_MULTI_V7