diff options
90 files changed, 1766 insertions, 1146 deletions
diff --git a/Documentation/arm/Atmel/README b/Documentation/arm/Atmel/README index 6ca78f818dbf..afb13c15389d 100644 --- a/Documentation/arm/Atmel/README +++ b/Documentation/arm/Atmel/README @@ -16,7 +16,7 @@ git branches/tags and email subject always contain this "at91" sub-string. AT91 SoCs --------- -Documentation and detailled datasheet for each product are available on +Documentation and detailed datasheet for each product are available on the Atmel website: http://www.atmel.com. Flavors: @@ -101,6 +101,42 @@ the Atmel website: http://www.atmel.com. + Datasheet http://www.atmel.com/Images/Atmel-11267-32-bit-Cortex-A5-Microcontroller-SAMA5D2_Datasheet.pdf + * ARM Cortex-M7 MCUs + - sams70 family + - sams70j19 + - sams70j20 + - sams70j21 + - sams70n19 + - sams70n20 + - sams70n21 + - sams70q19 + - sams70q20 + - sams70q21 + + Datasheet + http://www.atmel.com/Images/Atmel-11242-32-bit-Cortex-M7-Microcontroller-SAM-S70Q-SAM-S70N-SAM-S70J_Datasheet.pdf + + - samv70 family + - samv70j19 + - samv70j20 + - samv70n19 + - samv70n20 + - samv70q19 + - samv70q20 + + Datasheet + http://www.atmel.com/Images/Atmel-11297-32-bit-Cortex-M7-Microcontroller-SAM-V70Q-SAM-V70N-SAM-V70J_Datasheet.pdf + + - samv71 family + - samv71j19 + - samv71j20 + - samv71j21 + - samv71n19 + - samv71n20 + - samv71n21 + - samv71q19 + - samv71q20 + - samv71q21 + + Datasheet + http://www.atmel.com/Images/Atmel-44003-32-bit-Cortex-M7-Microcontroller-SAM-V71Q-SAM-V71N-SAM-V71J_Datasheet.pdf Linux kernel information ------------------------ diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt index 799af90dd75b..91cb8e4f2a4f 100644 --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt @@ -41,6 +41,36 @@ compatible: must be one of: - "atmel,sama5d43" - "atmel,sama5d44" + * "atmel,samv7" for MCUs using a Cortex-M7, shall be extended with the specific + SoC family: + o "atmel,sams70" shall be extended with the specific MCU compatible: + - "atmel,sams70j19" + - "atmel,sams70j20" + - "atmel,sams70j21" + - "atmel,sams70n19" + - "atmel,sams70n20" + - "atmel,sams70n21" + - "atmel,sams70q19" + - "atmel,sams70q20" + - "atmel,sams70q21" + o "atmel,samv70" shall be extended with the specific MCU compatible: + - "atmel,samv70j19" + - "atmel,samv70j20" + - "atmel,samv70n19" + - "atmel,samv70n20" + - "atmel,samv70q19" + - "atmel,samv70q20" + o "atmel,samv71" shall be extended with the specific MCU compatible: + - "atmel,samv71j19" + - "atmel,samv71j20" + - "atmel,samv71j21" + - "atmel,samv71n19" + - "atmel,samv71n20" + - "atmel,samv71n21" + - "atmel,samv71q19" + - "atmel,samv71q20" + - "atmel,samv71q21" + Chipid required properties: - compatible: Should be "atmel,sama5d2-chipid" - reg : Should contain registers location and length diff --git a/Documentation/devicetree/bindings/power/actions,owl-sps.txt b/Documentation/devicetree/bindings/power/actions,owl-sps.txt new file mode 100644 index 000000000000..007b9a7ae723 --- /dev/null +++ b/Documentation/devicetree/bindings/power/actions,owl-sps.txt @@ -0,0 +1,17 @@ +Actions Semi Owl Smart Power System (SPS) + +Required properties: +- compatible : "actions,s500-sps" for S500 +- reg : Offset and length of the register set for the device. +- #power-domain-cells : Must be 1. + See macros in: + include/dt-bindings/power/owl-s500-powergate.h for S500 + + +Example: + + sps: power-controller@b01b0100 { + compatible = "actions,s500-sps"; + reg = <0xb01b0100 0x100>; + #power-domain-cells = <1>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index b5a5ef1f5000..08e5e8f800e3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1036,6 +1036,22 @@ S: Maintained F: drivers/amba/ F: include/linux/amba/bus.h +ARM/ACTIONS SEMI ARCHITECTURE +M: Andreas Färber <afaerber@suse.de> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +N: owl +F: arch/arm/mach-actions/ +F: arch/arm/boot/dts/owl-* +F: arch/arm64/boot/dts/actions/ +F: drivers/clocksource/owl-* +F: drivers/soc/actions/ +F: include/dt-bindings/power/owl-* +F: include/linux/soc/actions/ +F: Documentation/devicetree/bindings/arm/actions.txt +F: Documentation/devicetree/bindings/power/actions,owl-sps.txt +F: Documentation/devicetree/bindings/timer/actions,owl-timer.txt + ARM/ADS SPHERE MACHINE SUPPORT M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 43f45d3b40e8..abd59fad1a34 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -712,6 +712,8 @@ config ARCH_VIRT # source "arch/arm/mach-mvebu/Kconfig" +source "arch/arm/mach-actions/Kconfig" + source "arch/arm/mach-alpine/Kconfig" source "arch/arm/mach-artpec/Kconfig" @@ -1462,6 +1464,7 @@ config ARM_PSCI # selected platforms. config ARCH_NR_GPIO int + default 2048 if ARCH_SOCFPGA default 1024 if ARCH_BRCMSTB || ARCH_SHMOBILE || ARCH_TEGRA || \ ARCH_ZYNQ default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || \ diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 426d2716f55d..447629d89884 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -145,6 +145,15 @@ choice Say Y here if you want kernel low-level debugging support on the USART3 port of sama5d4. + config DEBUG_AT91_SAMV7_USART1 + bool "Kernel low-level debugging via SAMV7 USART1" + select DEBUG_AT91_UART + depends on SOC_SAMV7 + help + Say Y here if you want the debug print routines to direct + their output to the USART1 port on SAMV7 based + machines. + config DEBUG_BCM2835 bool "Kernel low-level debugging on BCM2835 PL011 UART" depends on ARCH_BCM2835 && ARCH_MULTI_V6 @@ -751,6 +760,7 @@ choice ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT APQ8064 0x16640000 0xf0040000 APQ8084 0xf995e000 0xfa75e000 + IPQ4019 0x078af000 0xf78af000 MSM8X60 0x19c40000 0xf0040000 MSM8960 0x16440000 0xf0040000 MSM8974 0xf991e000 0xfa71e000 @@ -776,6 +786,30 @@ choice their output to the standard serial port on the RealView PB1176 platform. + config DEBUG_RV1108_UART0 + bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip RV1108 based platforms. + + config DEBUG_RV1108_UART1 + bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip RV1108 based platforms. + + config DEBUG_RV1108_UART2 + bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip RV1108 based platforms. + config DEBUG_RK29_UART0 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" depends on ARCH_ROCKCHIP @@ -1465,6 +1499,9 @@ config DEBUG_UART_PHYS default 0x10126000 if DEBUG_RK3X_UART1 default 0x101f1000 if DEBUG_VERSATILE default 0x101fb000 if DEBUG_NOMADIK_UART + default 0x10210000 if DEBUG_RV1108_UART2 + default 0x10220000 if DEBUG_RV1108_UART1 + default 0x10230000 if DEBUG_RV1108_UART0 default 0x11002000 if DEBUG_MT8127_UART0 default 0x11006000 if DEBUG_MT6589_UART0 default 0x11009000 if DEBUG_MT8135_UART3 @@ -1481,6 +1518,7 @@ config DEBUG_UART_PHYS default 0x3f201000 if DEBUG_BCM2836 default 0x3e000000 if DEBUG_BCM_KONA_UART default 0x4000e400 if DEBUG_LL_UART_EFM32 + default 0x40028000 if DEBUG_AT91_SAMV7_USART1 default 0x40081000 if DEBUG_LPC18XX_UART0 default 0x40090000 if DEBUG_LPC32XX default 0x40100000 if DEBUG_PXA_UART1 @@ -1563,6 +1601,9 @@ config DEBUG_UART_PHYS config DEBUG_UART_VIRT hex "Virtual base address of debug UART" + default 0xc881f000 if DEBUG_RV1108_UART2 + default 0xc8821000 if DEBUG_RV1108_UART1 + default 0xc8912000 if DEBUG_RV1108_UART0 default 0xe0000a00 if DEBUG_NETX_UART default 0xe0010fe0 if ARCH_RPC default 0xf0000be0 if ARCH_EBSA110 diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 65f4e2a4eb94..47d3a1ab08d2 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -151,6 +151,7 @@ textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000 # Machine directory name. This list is sorted alphanumerically # by CONFIG_* macro name. +machine-$(CONFIG_ARCH_ACTIONS) += actions machine-$(CONFIG_ARCH_ALPINE) += alpine machine-$(CONFIG_ARCH_ARTPEC) += artpec machine-$(CONFIG_ARCH_AT91) += at91 diff --git a/arch/arm/mach-actions/Kconfig b/arch/arm/mach-actions/Kconfig new file mode 100644 index 000000000000..ad9c5c89c683 --- /dev/null +++ b/arch/arm/mach-actions/Kconfig @@ -0,0 +1,16 @@ +menuconfig ARCH_ACTIONS + bool "Actions Semi SoCs" + depends on ARCH_MULTI_V7 + select ARM_AMBA + select ARM_GIC + select ARM_GLOBAL_TIMER + select CACHE_L2X0 + select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK + select COMMON_CLK + select GENERIC_IRQ_CHIP + select HAVE_ARM_SCU if SMP + select HAVE_ARM_TWD if SMP + select OWL_PM_DOMAINS_HELPER + select OWL_TIMER + help + This enables support for the Actions Semiconductor S500 SoC family. diff --git a/arch/arm/mach-actions/Makefile b/arch/arm/mach-actions/Makefile new file mode 100644 index 000000000000..c0f116241da7 --- /dev/null +++ b/arch/arm/mach-actions/Makefile @@ -0,0 +1,3 @@ +obj-${CONFIG_SMP} += platsmp.o headsmp.o + +AFLAGS_headsmp.o := -Wa,-march=armv7-a diff --git a/arch/arm/mach-actions/headsmp.S b/arch/arm/mach-actions/headsmp.S new file mode 100644 index 000000000000..65f53bdb69e7 --- /dev/null +++ b/arch/arm/mach-actions/headsmp.S @@ -0,0 +1,52 @@ +/* + * Copyright 2012 Actions Semi Inc. + * Author: Actions Semi, Inc. + * + * Copyright (c) 2017 Andreas Färber + * + * 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. + */ + +#include <linux/linkage.h> +#include <linux/init.h> + +ENTRY(owl_v7_invalidate_l1) + mov r0, #0 + mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache + mcr p15, 2, r0, c0, c0, 0 + mrc p15, 1, r0, c0, c0, 0 + + ldr r1, =0x7fff + and r2, r1, r0, lsr #13 + + ldr r1, =0x3ff + + and r3, r1, r0, lsr #3 @ NumWays - 1 + add r2, r2, #1 @ NumSets + + and r0, r0, #0x7 + add r0, r0, #4 @ SetShift + + clz r1, r3 @ WayShift + add r4, r3, #1 @ NumWays +1: sub r2, r2, #1 @ NumSets-- + mov r3, r4 @ Temp = NumWays +2: subs r3, r3, #1 @ Temp-- + mov r5, r3, lsl r1 + mov r6, r2, lsl r0 + orr r5, r5, r6 @ Reg = (Temp<<WayShift)|(NumSets<<SetShift) + mcr p15, 0, r5, c7, c6, 2 + bgt 2b + cmp r2, #0 + bgt 1b + dsb + isb + mov pc, lr +ENDPROC(owl_v7_invalidate_l1) + +ENTRY(owl_secondary_startup) + bl owl_v7_invalidate_l1 + b secondary_startup diff --git a/arch/arm/mach-actions/platsmp.c b/arch/arm/mach-actions/platsmp.c new file mode 100644 index 000000000000..12a9e331b432 --- /dev/null +++ b/arch/arm/mach-actions/platsmp.c @@ -0,0 +1,171 @@ +/* + * Actions Semi Leopard + * + * This file is based on arm realview smp platform. + * + * Copyright 2012 Actions Semi Inc. + * Author: Actions Semi, Inc. + * + * Copyright (c) 2017 Andreas Färber + * + * 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. + */ + +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/smp.h> +#include <linux/soc/actions/owl-sps.h> +#include <asm/cacheflush.h> +#include <asm/smp_plat.h> +#include <asm/smp_scu.h> + +#define OWL_CPU1_ADDR 0x50 +#define OWL_CPU1_FLAG 0x5c + +#define OWL_CPUx_FLAG_BOOT 0x55aa + +#define OWL_SPS_PG_CTL_PWR_CPU2 BIT(5) +#define OWL_SPS_PG_CTL_PWR_CPU3 BIT(6) +#define OWL_SPS_PG_CTL_ACK_CPU2 BIT(21) +#define OWL_SPS_PG_CTL_ACK_CPU3 BIT(22) + +static void __iomem *scu_base_addr; +static void __iomem *sps_base_addr; +static void __iomem *timer_base_addr; +static int ncores; + +static DEFINE_SPINLOCK(boot_lock); + +void owl_secondary_startup(void); + +static int s500_wakeup_secondary(unsigned int cpu) +{ + int ret; + + if (cpu > 3) + return -EINVAL; + + /* The generic PM domain driver is not available this early. */ + switch (cpu) { + case 2: + ret = owl_sps_set_pg(sps_base_addr, + OWL_SPS_ |