diff options
70 files changed, 1888 insertions, 296 deletions
diff --git a/Documentation/arm/Samsung/Bootloader-interface.txt b/Documentation/arm/Samsung/Bootloader-interface.txt index df8d4fb85939..ed494ac0beb2 100644 --- a/Documentation/arm/Samsung/Bootloader-interface.txt +++ b/Documentation/arm/Samsung/Bootloader-interface.txt @@ -19,7 +19,7 @@ executing kernel. Address: sysram_ns_base_addr Offset Value Purpose ============================================================================= -0x08 exynos_cpu_resume_ns System suspend +0x08 exynos_cpu_resume_ns, mcpm_entry_point System suspend 0x0c 0x00000bad (Magic cookie) System suspend 0x1c exynos4_secondary_startup Secondary CPU boot 0x1c + 4*cpu exynos4_secondary_startup (Exynos4412) Secondary CPU boot @@ -56,7 +56,8 @@ Offset Value Purpose Address: pmu_base_addr Offset Value Purpose ============================================================================= -0x0908 Non-zero (only Exynos3250) Secondary CPU boot up indicator +0x0908 Non-zero Secondary CPU boot up indicator + on Exynos3250 and Exynos542x 4. Glossary diff --git a/Documentation/arm/keystone/knav-qmss.txt b/Documentation/arm/keystone/knav-qmss.txt new file mode 100644 index 000000000000..fcdb9fd5f53a --- /dev/null +++ b/Documentation/arm/keystone/knav-qmss.txt @@ -0,0 +1,56 @@ +* Texas Instruments Keystone Navigator Queue Management SubSystem driver + +Driver source code path + drivers/soc/ti/knav_qmss.c + drivers/soc/ti/knav_qmss_acc.c + +The QMSS (Queue Manager Sub System) found on Keystone SOCs is one of +the main hardware sub system which forms the backbone of the Keystone +multi-core Navigator. QMSS consist of queue managers, packed-data structure +processors(PDSP), linking RAM, descriptor pools and infrastructure +Packet DMA. +The Queue Manager is a hardware module that is responsible for accelerating +management of the packet queues. Packets are queued/de-queued by writing or +reading descriptor address to a particular memory mapped location. The PDSPs +perform QMSS related functions like accumulation, QoS, or event management. +Linking RAM registers are used to link the descriptors which are stored in +descriptor RAM. Descriptor RAM is configurable as internal or external memory. +The QMSS driver manages the PDSP setups, linking RAM regions, +queue pool management (allocation, push, pop and notify) and descriptor +pool management. + +knav qmss driver provides a set of APIs to drivers to open/close qmss queues, +allocate descriptor pools, map the descriptors, push/pop to queues etc. For +details of the available APIs, please refers to include/linux/soc/ti/knav_qmss.h + +DT documentation is available at +Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt + +Accumulator QMSS queues using PDSP firmware +============================================ +The QMSS PDSP firmware support accumulator channel that can monitor a single +queue or multiple contiguous queues. drivers/soc/ti/knav_qmss_acc.c is the +driver that interface with the accumulator PDSP. This configures +accumulator channels defined in DTS (example in DT documentation) to monitor +1 or 32 queues per channel. More description on the firmware is available in +CPPI/QMSS Low Level Driver document (docs/CPPI_QMSS_LLD_SDS.pdf) at + git://git.ti.com/keystone-rtos/qmss-lld.git + +k2_qmss_pdsp_acc48_k2_le_1_0_0_9.bin firmware supports upto 48 accumulator +channels. This firmware is available under ti-keystone folder of +firmware.git at + git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git + +To use copy the firmware image to lib/firmware folder of the initramfs or +ubifs file system and provide a sym link to k2_qmss_pdsp_acc48_k2_le_1_0_0_9.bin +in the file system and boot up the kernel. User would see + + "firmware file ks2_qmss_pdsp_acc48.bin downloaded for PDSP" + +in the boot up log if loading of firmware to PDSP is successful. + +Use of accumulated queues requires the firmware image to be present in the +file system. The driver doesn't acc queues to the supported queue range if +PDSP is not running in the SoC. The API call fails if there is a queue open +request to an acc queue and PDSP is not running. So make sure to copy firmware +to file system before using these queue types. diff --git a/Documentation/arm/sunxi/README b/Documentation/arm/sunxi/README index 5e38e1582f95..430d279a8df3 100644 --- a/Documentation/arm/sunxi/README +++ b/Documentation/arm/sunxi/README @@ -25,7 +25,7 @@ SunXi family + Datasheet http://dl.linux-sunxi.org/A10s/A10s%20Datasheet%20-%20v1.20%20%282012-03-27%29.pdf - - Allwinner A13 (sun5i) + - Allwinner A13 / R8 (sun5i) + Datasheet http://dl.linux-sunxi.org/A13/A13%20Datasheet%20-%20v1.12%20%282012-03-29%29.pdf + User Manual diff --git a/Documentation/devicetree/bindings/arm/coherency-fabric.txt b/Documentation/devicetree/bindings/arm/coherency-fabric.txt index 8dd46617c889..9b5c3f620e65 100644 --- a/Documentation/devicetree/bindings/arm/coherency-fabric.txt +++ b/Documentation/devicetree/bindings/arm/coherency-fabric.txt @@ -27,6 +27,11 @@ Required properties: * For "marvell,armada-380-coherency-fabric", only one pair is needed for the per-CPU fabric registers. +Optional properties: + +- broken-idle: boolean to set when the Idle mode is not supported by the + hardware. + Examples: coherency-fabric@d0020200 { diff --git a/Documentation/devicetree/bindings/arm/mvebu-cpu-config.txt b/Documentation/devicetree/bindings/arm/mvebu-cpu-config.txt new file mode 100644 index 000000000000..2cdcd716da40 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/mvebu-cpu-config.txt @@ -0,0 +1,20 @@ +MVEBU CPU Config registers +-------------------------- + +MVEBU (Marvell SOCs: Armada 370/XP) + +Required properties: + +- compatible: one of: + - "marvell,armada-370-cpu-config" + - "marvell,armada-xp-cpu-config" + +- reg: Should contain CPU config registers location and length, in + their per-CPU variant + +Example: + + cpu-config@21000 { + compatible = "marvell,armada-xp-cpu-config"; + reg = <0x21000 0x8>; + }; diff --git a/Documentation/devicetree/bindings/arm/sunxi.txt b/Documentation/devicetree/bindings/arm/sunxi.txt index 67da20539540..bb9b0faa919d 100644 --- a/Documentation/devicetree/bindings/arm/sunxi.txt +++ b/Documentation/devicetree/bindings/arm/sunxi.txt @@ -6,6 +6,7 @@ using one of the following compatible strings: allwinner,sun4i-a10 allwinner,sun5i-a10s allwinner,sun5i-a13 + allwinner,sun5i-r8 allwinner,sun6i-a31 allwinner,sun7i-a20 allwinner,sun8i-a23 diff --git a/Documentation/devicetree/bindings/arm/uniphier/cache-uniphier.txt b/Documentation/devicetree/bindings/arm/uniphier/cache-uniphier.txt new file mode 100644 index 000000000000..d27a646f48a9 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/uniphier/cache-uniphier.txt @@ -0,0 +1,60 @@ +UniPhier outer cache controller + +UniPhier SoCs are integrated with a full-custom outer cache controller system. +All of them have a level 2 cache controller, and some have a level 3 cache +controller as well. + +Required properties: +- compatible: should be "socionext,uniphier-system-cache" +- reg: offsets and lengths of the register sets for the device. It should + contain 3 regions: control register, revision register, operation register, + in this order. +- cache-unified: specifies the cache is a unified cache. +- cache-size: specifies the size in bytes of the cache +- cache-sets: specifies the number of associativity sets of the cache +- cache-line-size: specifies the line size in bytes +- cache-level: specifies the level in the cache hierarchy. The value should + be 2 for L2 cache, 3 for L3 cache, etc. + +Optional properties: +- next-level-cache: phandle to the next level cache if present. The next level + cache should be also compatible with "socionext,uniphier-system-cache". + +The L2 cache must exist to use the L3 cache; the cache hierarchy must be +indicated correctly with "next-level-cache" properties. + +Example 1 (system with L2): + l2: l2-cache@500c0000 { + compatible = "socionext,uniphier-system-cache"; + reg = <0x500c0000 0x2000>, <0x503c0100 0x4>, + <0x506c0000 0x400>; + cache-unified; + cache-size = <0x80000>; + cache-sets = <256>; + cache-line-size = <128>; + cache-level = <2>; + }; + +Example 2 (system with L2 and L3): + l2: l2-cache@500c0000 { + compatible = "socionext,uniphier-system-cache"; + reg = <0x500c0000 0x2000>, <0x503c0100 0x8>, + <0x506c0000 0x400>; + cache-unified; + cache-size = <0x200000>; + cache-sets = <512>; + cache-line-size = <128>; + cache-level = <2>; + next-level-cache = <&l3>; + }; + + l3: l3-cache@500c8000 { + compatible = "socionext,uniphier-system-cache"; + reg = <0x500c8000 0x2000>, <0x503c8100 0x8>, + <0x506c8000 0x400>; + cache-unified; + cache-size = <0x400000>; + cache-sets = <512>; + cache-line-size = <256>; + cache-level = <3>; + }; diff --git a/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt b/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt index d8e8cdb733f9..d1ce21a4904d 100644 --- a/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt +++ b/Documentation/devicetree/bindings/soc/ti/keystone-navigator-qmss.txt @@ -221,7 +221,6 @@ qmss: qmss@2a40000 { #size-cells = <1>; ranges; pdsp0@0x2a10000 { - firmware = "keystone/qmss_pdsp_acc48_k2_le_1_0_0_8.fw"; reg = <0x2a10000 0x1000>, <0x2a0f000 0x100>, <0x2a0c000 0x3c8>, diff --git a/MAINTAINERS b/MAINTAINERS index f68d84051616..952853712c57 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -920,7 +920,7 @@ M: Tsahee Zidenberg <tsahee@annapurnalabs.com> S: Maintained F: arch/arm/mach-alpine/ -ARM/ATMEL AT91RM9200 AND AT91SAM ARM ARCHITECTURES +ARM/ATMEL AT91RM9200, AT91SAM9 AND SAMA5 SOC SUPPORT M: Nicolas Ferre <nicolas.ferre@atmel.com> M: Alexandre Belloni <alexandre.belloni@free-electrons.com> M: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> @@ -1630,7 +1630,9 @@ M: Masahiro Yamada <yamada.masahiro@socionext.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm/boot/dts/uniphier* +F: arch/arm/include/asm/hardware/cache-uniphier.h F: arch/arm/mach-uniphier/ +F: arch/arm/mm/cache-uniphier.c F: drivers/i2c/busses/i2c-uniphier* F: drivers/pinctrl/uniphier/ F: drivers/tty/serial/8250/8250_uniphier.c diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 40a3c25c1e0d..259c0ca9c99a 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -123,29 +123,23 @@ choice 0x80020000 | 0xf0020000 | UART8 0x80024000 | 0xf0024000 | UART9 - config AT91_DEBUG_LL_DBGU0 - bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10, 9rl, 9x5, 9n12" - select DEBUG_AT91_UART + config DEBUG_AT91_UART + bool "Kernel low-level debugging on Atmel SoCs" depends on ARCH_AT91 - 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. - config AT91_DEBUG_LL_DBGU1 - bool "Kernel low-level debugging on 9263, 9g45 and sama5d3" - select DEBUG_AT91_UART - depends on ARCH_AT91 - depends on SOC_AT91SAM9 || SOC_SAMA5 + 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 AT91_DEBUG_LL_DBGU2 - bool "Kernel low-level debugging on sama5d4" - select DEBUG_AT91_UART - depends on ARCH_AT91 - depends on SOC_SAMA5 - - config AT91_DEBUG_LL_DBGU3 - bool "Kernel low-level debugging on sama5d2" - select DEBUG_AT91_UART - depends on ARCH_AT91 - depends on SOC_SAMA5 + Please adjust DEBUG_UART_PHYS configuration options based on + your needs. config DEBUG_BCM2835 bool "Kernel low-level debugging on BCM2835 PL011 UART" @@ -1249,10 +1243,6 @@ choice endchoice -config DEBUG_AT91_UART - bool - depends on ARCH_AT91 - config DEBUG_EXYNOS_UART bool @@ -1485,7 +1475,8 @@ config DEBUG_UART_PHYS DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \ - DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 + DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ + DEBUG_AT91_UART config DEBUG_UART_VIRT hex "Virtual base address of debug UART" diff --git a/arch/arm/include/asm/hardware/cache-uniphier.h b/arch/arm/include/asm/hardware/cache-uniphier.h new file mode 100644 index 000000000000..102e3fbe1e10 --- /dev/null +++ b/arch/arm/include/asm/hardware/cache-uniphier.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.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. + */ + +#ifndef __CACHE_UNIPHIER_H +#define __CACHE_UNIPHIER_H + +#include <linux/types.h> + +#ifdef CONFIG_CACHE_UNIPHIER +int uniphier_cache_init(void); +int uniphier_cache_l2_is_enabled(void); +void uniphier_cache_l2_touch_range(unsigned long start, unsigned long end); +void uniphier_cache_l2_set_locked_ways(u32 way_mask); +#else +static inline int uniphier_cache_init(void) +{ + return -ENODEV; +} + +static inline int uniphier_cache_l2_is_enabled(void) +{ + return 0; +} + +static inline void uniphier_cache_l2_touch_range(unsigned long start, + unsigned long end) +{ +} + +static inline void uniphier_cache_l2_set_locked_ways(u32 way_mask) +{ +} +#endif + +#endif /* __CACHE_UNIPHIER_H */ diff --git a/arch/arm/include/debug/at91.S b/arch/arm/include/debug/at91.S index 2556a8801c8c..43243be94cfc 100644 --- a/arch/arm/include/debug/at91.S +++ b/arch/arm/include/debug/at91.S @@ -9,32 +9,22 @@ * */ -#if defined(CONFIG_AT91_DEBUG_LL_DBGU0) -#define AT91_DBGU 0xfffff200 /* AT91_BASE_DBGU0 */ -#elif defined(CONFIG_AT91_DEBUG_LL_DBGU1) -#define AT91_DBGU 0xffffee00 /* AT91_BASE_DBGU1 */ -#elif defined(CONFIG_AT91_DEBUG_LL_DBGU2) -/* On sama5d4, use USART3 as low level serial console */ -#define AT91_DBGU 0xfc00c000 /* SAMA5D4_BASE_USART3 */ -#else -/* On sama5d2, use UART1 as low level serial console */ -#define AT91_DBGU 0xf8020000 -#endif - #ifdef CONFIG_MMU #define AT91_IO_P2V(x) ((x) - 0x01000000) #else #define AT91_IO_P2V(x) (x) #endif +#define CONFIG_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 */ #define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */ .macro addruart, rp, rv, tmp - ldr \rp, =AT91_DBGU @ System peripherals (phys address) - ldr \rv, =AT91_IO_P2V(AT91_DBGU) @ System peripherals (virt address) + ldr \rp, =CONFIG_DEBUG_UART_PHYS @ System peripherals (phys address) + ldr \rv, =CONFIG_DEBUG_UART_VIRT @ System peripherals (virt address) .endm .macro senduart,rd,rx diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 2766183e69df..1d45320ee125 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -39,6 +39,7 @@ #include <linux/export.h> #include <asm/hardware/cache-l2x0.h> +#include <asm/hardware/cache-uniphier.h> #include <asm/outercache.h> #include <asm/exception.h> #include <asm/mach/arch.h> @@ -97,6 +98,8 @@ void __init init_IRQ(void) if (ret) pr_err("L2C: failed to init: %d\n", ret); } + + uniphier_cache_init(); } #ifdef CONFIG_MULTI_IRQ_HANDLER diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S index 0d95f488b47a..a25defda3d22 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -80,6 +80,8 @@ tmp2 .req r5 * @r2: base address of second SDRAM Controller or 0 if not present * @r3: pm information */ +/* at91_pm_suspend_in_sram must be 8-byte aligned per the requirements of fncpy() */ + .align 3 ENTRY(at91_pm_suspend_in_sram) /* Save registers on stack */ stmfd sp!, {r4 - r12, lr} diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig index 84bd26535ae9..8c53c55be1fe 100644 --- a/arch/arm/mach-bcm/Kconfig +++ b/arch/arm/mach-bcm/Kconfig @@ -35,6 +35,20 @@ config ARCH_BCM_CYGNUS BCM11300, BCM11320, BCM11350, BCM11360, BCM58300, BCM58302, BCM58303, BCM58305. +config ARCH_BCM_NSP + bool "Broadcom Northstar Plus SoC Support" if ARCH_MULTI_V7 + select ARCH_BCM_IPROC + select ARM_ERRATA_754322 + select ARM_ERRATA_775420 + help + Support for Broadcom Northstar Plus SoC. + Broadcom Northstar Plus family of SoCs are used for switching control + and management applications as well as residential router/gateway + applications. The SoC features dual core Cortex A9 ARM CPUs, + integrating several peripheral interfaces including multiple Gigabit + Ethernet PHYs, DDR3 memory, PCIE Gen-2, USB 2.0 and USB 3.0, serial and + NAND flash, SATA and several other IO controllers. + config ARCH_BCM_5301X bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7 select ARCH_BCM_IPROC @@ -147,6 +161,7 @@ config ARCH_BRCMSTB select BCM7120_L2_IRQ select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE select ARCH_WANT_OPTIONAL_GPIOLIB + select SOC_BRCMSTB help Say Y if you intend to run the kernel on a Broadcom ARM-based STB chipset. diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile index 1780a3ff42f9..892261fec0ae 100644 --- a/arch/arm/mach-bcm/Makefile +++ b/arch/arm/mach-bcm/Makefile @@ -1,5 +1,5 @@ # |