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bcm53xx: add linux 4.4 support

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 47703
This commit is contained in:
Rafał Miłecki 2015-12-03 08:19:25 +00:00
parent e395433178
commit d90561c929
36 changed files with 4925 additions and 0 deletions
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314
target/linux/bcm53xx/config-4.4 Normal file
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CONFIG_ALIGNMENT_TRAP=y
CONFIG_ARCH_BCM=y
# CONFIG_ARCH_BCM_21664 is not set
# CONFIG_ARCH_BCM_281XX is not set
CONFIG_ARCH_BCM_5301X=y
# CONFIG_ARCH_BCM_63XX is not set
# CONFIG_ARCH_BCM_CYGNUS is not set
CONFIG_ARCH_BCM_IPROC=y
# CONFIG_ARCH_BRCMSTB is not set
CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
CONFIG_ARCH_HAS_SG_CHAIN=y
CONFIG_ARCH_HAS_TICK_BROADCAST=y
CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
CONFIG_ARCH_MULTIPLATFORM=y
# CONFIG_ARCH_MULTI_CPU_AUTO is not set
CONFIG_ARCH_MULTI_V6_V7=y
CONFIG_ARCH_MULTI_V7=y
CONFIG_ARCH_NR_GPIO=0
CONFIG_ARCH_REQUIRE_GPIOLIB=y
# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ARCH_USE_BUILTIN_BSWAP=y
CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
CONFIG_ARM=y
CONFIG_ARM_AMBA=y
CONFIG_ARM_APPENDED_DTB=y
# CONFIG_ARM_ATAG_DTB_COMPAT is not set
# CONFIG_ARM_CPU_SUSPEND is not set
CONFIG_ARM_ERRATA_754322=y
CONFIG_ARM_ERRATA_764369=y
CONFIG_ARM_ERRATA_775420=y
CONFIG_ARM_GIC=y
CONFIG_ARM_GLOBAL_TIMER=y
CONFIG_ARM_HAS_SG_CHAIN=y
CONFIG_ARM_HEAVY_MB=y
CONFIG_ARM_L1_CACHE_SHIFT=6
CONFIG_ARM_L1_CACHE_SHIFT_6=y
# CONFIG_ARM_LPAE is not set
CONFIG_ARM_PATCH_PHYS_VIRT=y
# CONFIG_ARM_SP805_WATCHDOG is not set
CONFIG_ARM_THUMB=y
# CONFIG_ARM_THUMBEE is not set
CONFIG_ARM_VIRT_EXT=y
CONFIG_ATAGS=y
CONFIG_AUTO_ZRELADDR=y
CONFIG_B53=y
# CONFIG_B53_MMAP_DRIVER is not set
# CONFIG_B53_PHY_DRIVER is not set
CONFIG_B53_SRAB_DRIVER=y
CONFIG_BCM47XX_NVRAM=y
CONFIG_BCM47XX_SPROM=y
CONFIG_BCM47XX_WDT=y
CONFIG_BCMA=y
CONFIG_BCMA_BLOCKIO=y
CONFIG_BCMA_DEBUG=y
CONFIG_BCMA_DRIVER_GMAC_CMN=y
CONFIG_BCMA_DRIVER_GPIO=y
CONFIG_BCMA_DRIVER_PCI=y
CONFIG_BCMA_HOST_PCI=y
CONFIG_BCMA_HOST_PCI_POSSIBLE=y
CONFIG_BCMA_HOST_SOC=y
CONFIG_BGMAC=y
CONFIG_BOUNCE=y
CONFIG_CACHE_L2X0=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_CLKDEV_LOOKUP=y
CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK=y
CONFIG_CLKSRC_MMIO=y
CONFIG_CLKSRC_OF=y
CONFIG_CLONE_BACKWARDS=y
CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_IPROC=y
CONFIG_CPU_32v6K=y
CONFIG_CPU_32v7=y
CONFIG_CPU_ABRT_EV7=y
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_CPU_CACHE_V7=y
CONFIG_CPU_CACHE_VIPT=y
CONFIG_CPU_COPY_V6=y
CONFIG_CPU_CP15=y
CONFIG_CPU_CP15_MMU=y
CONFIG_CPU_HAS_ASID=y
# CONFIG_CPU_ICACHE_DISABLE is not set
CONFIG_CPU_PABRT_V7=y
CONFIG_CPU_RMAP=y
CONFIG_CPU_TLB_V7=y
CONFIG_CPU_V7=y
CONFIG_CRC16=y
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_WORKQUEUE=y
CONFIG_CRYPTO_XZ=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_BCM_5301X=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_LL=y
CONFIG_DEBUG_LL_INCLUDE="debug/8250.S"
CONFIG_DEBUG_UART_8250=y
# CONFIG_DEBUG_UART_8250_FLOW_CONTROL is not set
CONFIG_DEBUG_UART_8250_SHIFT=0
CONFIG_DEBUG_UART_PHYS=0x18000300
CONFIG_DEBUG_UART_VIRT=0xf1000300
CONFIG_DEBUG_UNCOMPRESS=y
CONFIG_DEBUG_USER=y
CONFIG_DTC=y
CONFIG_EARLY_PRINTK=y
CONFIG_EDAC_ATOMIC_SCRUB=y
CONFIG_EDAC_SUPPORT=y
CONFIG_FIXED_PHY=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_FRAME_POINTER=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_GENERIC_IDLE_POLL_SETUP=y
CONFIG_GENERIC_IO=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_PINCONF=y
CONFIG_GENERIC_SCHED_CLOCK=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GPIOLIB=y
CONFIG_GPIOLIB_IRQCHIP=y
CONFIG_GPIO_74X164=y
CONFIG_GPIO_DEVRES=y
CONFIG_GPIO_SYSFS=y
CONFIG_HANDLE_DOMAIN_IRQ=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
CONFIG_HAVE_ARCH_AUDITSYSCALL=y
CONFIG_HAVE_ARCH_BITREVERSE=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_HAVE_ARCH_KGDB=y
CONFIG_HAVE_ARCH_PFN_VALID=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_ARM_SCU=y
CONFIG_HAVE_ARM_TWD=y
# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
CONFIG_HAVE_BPF_JIT=y
CONFIG_HAVE_CC_STACKPROTECTOR=y
CONFIG_HAVE_CLK=y
CONFIG_HAVE_CLK_PREPARE=y
CONFIG_HAVE_CONTEXT_TRACKING=y
CONFIG_HAVE_C_RECORDMCOUNT=y
CONFIG_HAVE_DEBUG_KMEMLEAK=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_HAVE_DMA_CONTIGUOUS=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_HAVE_IDE=y
CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZ4=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_HAVE_KERNEL_XZ=y
CONFIG_HAVE_MEMBLOCK=y
CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
CONFIG_HAVE_NET_DSA=y
CONFIG_HAVE_OPROFILE=y
CONFIG_HAVE_OPTPROBES=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_HAVE_PERF_REGS=y
CONFIG_HAVE_PERF_USER_STACK_DUMP=y
CONFIG_HAVE_PROC_CPU=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_SMP=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_HAVE_UID16=y
CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
CONFIG_HIGHMEM=y
# CONFIG_HIGHPTE is not set
CONFIG_HZ_FIXED=0
CONFIG_HZ_PERIODIC=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_IOMMU_HELPER=y
CONFIG_IRQCHIP=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_DOMAIN_HIERARCHY=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_IRQ_WORK=y
CONFIG_LIBFDT=y
CONFIG_LOCK_SPIN_ON_OWNER=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_MDIO_BOARDINFO=y
CONFIG_MIGHT_HAVE_CACHE_L2X0=y
CONFIG_MIGHT_HAVE_PCI=y
CONFIG_MODULES_USE_ELF_REL=y
CONFIG_MTD_BCM47XX_PARTS=y
CONFIG_MTD_NAND=y
CONFIG_MTD_NAND_BRCMNAND=y
CONFIG_MTD_NAND_ECC=y
# CONFIG_MTD_PHYSMAP_OF is not set
CONFIG_MTD_SPI_BCM53XXSPIFLASH=y
CONFIG_MTD_SPI_NOR=y
CONFIG_MTD_UBI=y
CONFIG_MTD_UBI_BEB_LIMIT=20
CONFIG_MTD_UBI_BLOCK=y
# CONFIG_MTD_UBI_FASTMAP is not set
# CONFIG_MTD_UBI_GLUEBI is not set
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MULTI_IRQ_HANDLER=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NET_FLOW_LIMIT=y
CONFIG_NO_BOOTMEM=y
CONFIG_NR_CPUS=2
CONFIG_OF=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_ADDRESS_PCI=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_FLATTREE=y
CONFIG_OF_GPIO=y
CONFIG_OF_IRQ=y
CONFIG_OF_MDIO=y
CONFIG_OF_MTD=y
CONFIG_OF_NET=y
CONFIG_OF_PCI=y
CONFIG_OF_PCI_IRQ=y
CONFIG_OF_RESERVED_MEM=y
CONFIG_OLD_SIGACTION=y
CONFIG_OLD_SIGSUSPEND3=y
CONFIG_OUTER_CACHE=y
CONFIG_OUTER_CACHE_SYNC=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_PCI=y
CONFIG_PCIE_IPROC=y
CONFIG_PCIE_IPROC_BCMA=y
# CONFIG_PCIE_IPROC_PLATFORM is not set
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_DOMAINS_GENERIC=y
CONFIG_PERF_USE_VMALLOC=y
CONFIG_PGTABLE_LEVELS=2
CONFIG_PHYLIB=y
CONFIG_PINCTRL=y
# CONFIG_PL310_ERRATA_588369 is not set
# CONFIG_PL310_ERRATA_727915 is not set
# CONFIG_PL310_ERRATA_753970 is not set
# CONFIG_PL310_ERRATA_769419 is not set
CONFIG_RCU_STALL_COMMON=y
CONFIG_RFS_ACCEL=y
CONFIG_RPS=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_SCHED_HRTICK=y
# CONFIG_SCHED_INFO is not set
# CONFIG_SCSI_DMA is not set
# CONFIG_SERIAL_AMBA_PL010 is not set
# CONFIG_SERIAL_AMBA_PL011 is not set
CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_SG_SPLIT is not set
CONFIG_SMP=y
CONFIG_SMP_ON_UP=y
CONFIG_SPARSE_IRQ=y
CONFIG_SPI=y
CONFIG_SPI_BCM53XX=y
CONFIG_SPI_BITBANG=y
CONFIG_SPI_GPIO=y
CONFIG_SPI_MASTER=y
CONFIG_SRCU=y
CONFIG_STOP_MACHINE=y
# CONFIG_SUNXI_SRAM is not set
CONFIG_SWCONFIG=y
CONFIG_SWIOTLB=y
CONFIG_SWP_EMULATE=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
# CONFIG_THUMB2_KERNEL is not set
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_TREE_RCU=y
CONFIG_UBIFS_FS=y
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
CONFIG_UBIFS_FS_LZO=y
CONFIG_UBIFS_FS_XZ=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
CONFIG_USB_SUPPORT=y
CONFIG_USE_OF=y
CONFIG_VECTORS_BASE=0xffff0000
# CONFIG_VFP is not set
CONFIG_WATCHDOG_CORE=y
CONFIG_XPS=y
CONFIG_XZ_DEC_ARM=y
CONFIG_XZ_DEC_BCJ=y
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZLIB_DEFLATE=y
CONFIG_ZLIB_INFLATE=y
CONFIG_ZONE_DMA_FLAG=0

31
target/linux/bcm53xx/patches-4.4/020-ARM-BCM5310X-activate-erratas-needed-for-SoC.patch Normal file
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@ -0,0 +1,31 @@
From f4ce7effe2253a325f8ba182903cbdf0d8698593 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sat, 21 Nov 2015 15:29:47 +0100
Subject: [PATCH] ARM: BCM5310X: activate erratas needed for SoC
The BCM4708 I have, which is probably the first generation which got
to the consumer market, is using a ARM Cortex-A9 rev r3p0 and a
L2C-310 rev r3p2 L2 cache controller. There are 3 workarounds for known
erratas in the Linux kernel which could be activated and will be in
this patch. There are currently no workarounds which have to be
activated for the L2C-310 rev r3p2 in Linux.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/mach-bcm/Kconfig | 4 ++++
1 file changed, 4 insertions(+)
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -52,6 +52,10 @@ config ARCH_BCM_NSP
config ARCH_BCM_5301X
bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7
select ARCH_BCM_IPROC
+ select ARM_ERRATA_754322
+ select ARM_ERRATA_775420
+ select ARM_ERRATA_764369 if SMP
+
help
Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores.

153
target/linux/bcm53xx/patches-4.4/050-ARM-dts-enable-clock-support-for-BCM5301X.patch Normal file
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From e96ef422d0095fe9ae39b03c0805a0db8ff7e382 Mon Sep 17 00:00:00 2001
From: Jon Mason <jonmason@broadcom.com>
Date: Tue, 13 Oct 2015 17:22:25 -0400
Subject: [PATCH 50/50] ARM: dts: enable clock support for BCM5301X
Replace current device tree dummy clocks with real clock support for
Broadcom Northstar SoCs.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
---
arch/arm/boot/dts/bcm5301x.dtsi | 88 ++++++++++++++++++++++++++++++++---------
1 file changed, 69 insertions(+), 19 deletions(-)
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -8,6 +8,7 @@
* Licensed under the GNU/GPL. See COPYING for details.
*/
+#include <dt-bindings/clock/bcm-nsp.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
@@ -42,41 +43,48 @@
mpcore {
compatible = "simple-bus";
- ranges = <0x00000000 0x19020000 0x00003000>;
+ ranges = <0x00000000 0x19000000 0x00023000>;
#address-cells = <1>;
#size-cells = <1>;
- scu@0000 {
+ a9pll: arm_clk@00000 {
+ #clock-cells = <0>;
+ compatible = "brcm,nsp-armpll";
+ clocks = <&osc>;
+ reg = <0x00000 0x1000>;
+ };
+
+ scu@20000 {
compatible = "arm,cortex-a9-scu";
- reg = <0x0000 0x100>;
+ reg = <0x20000 0x100>;
};
- timer@0200 {
+ timer@20200 {
compatible = "arm,cortex-a9-global-timer";
- reg = <0x0200 0x100>;
+ reg = <0x20200 0x100>;
interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clk_periph>;
+ clocks = <&periph_clk>;
};
- local-timer@0600 {
+ local-timer@20600 {
compatible = "arm,cortex-a9-twd-timer";
- reg = <0x0600 0x100>;
+ reg = <0x20600 0x100>;
interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clk_periph>;
+ clocks = <&periph_clk>;
};
- gic: interrupt-controller@1000 {
+ gic: interrupt-controller@21000 {
compatible = "arm,cortex-a9-gic";
#interrupt-cells = <3>;
#address-cells = <0>;
interrupt-controller;
- reg = <0x1000 0x1000>,
- <0x0100 0x100>;
+ reg = <0x21000 0x1000>,
+ <0x20100 0x100>;
};
- L2: cache-controller@2000 {
+ L2: cache-controller@22000 {
compatible = "arm,pl310-cache";
- reg = <0x2000 0x1000>;
+ reg = <0x22000 0x1000>;
cache-unified;
arm,shared-override;
prefetch-data = <1>;
@@ -94,14 +102,37 @@
clocks {
#address-cells = <1>;
- #size-cells = <0>;
+ #size-cells = <1>;
+ ranges;
- /* As long as we do not have a real clock driver us this
- * fixed clock */
- clk_periph: periph {
+ osc: oscillator {
+ #clock-cells = <0>;
compatible = "fixed-clock";
+ clock-frequency = <25000000>;
+ };
+
+ iprocmed: iprocmed {
#clock-cells = <0>;
- clock-frequency = <400000000>;
+ compatible = "fixed-factor-clock";
+ clocks = <&genpll BCM_NSP_GENPLL_IPROCFAST_CLK>;
+ clock-div = <2>;
+ clock-mult = <1>;
+ };
+
+ iprocslow: iprocslow {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&genpll BCM_NSP_GENPLL_IPROCFAST_CLK>;
+ clock-div = <4>;
+ clock-mult = <1>;
+ };
+
+ periph_clk: periph_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&a9pll>;
+ clock-div = <2>;
+ clock-mult = <1>;
};
};
@@ -189,4 +220,23 @@
brcm,nand-has-wp;
};
+
+ lcpll0: lcpll0@1800c100 {
+ #clock-cells = <1>;
+ compatible = "brcm,nsp-lcpll0";
+ reg = <0x1800c100 0x14>;
+ clocks = <&osc>;
+ clock-output-names = "lcpll0", "pcie_phy", "sdio",
+ "ddr_phy";
+ };
+
+ genpll: genpll@1800c140 {
+ #clock-cells = <1>;
+ compatible = "brcm,nsp-genpll";
+ reg = <0x1800c140 0x24>;
+ clocks = <&osc>;
+ clock-output-names = "genpll", "phy", "ethernetclk",
+ "usbclk", "iprocfast", "sata1",
+ "sata2";
+ };
};

218
target/linux/bcm53xx/patches-4.4/083-ARM-dts-bcm5301x-Add-BCM-SVK-DT-files.patch Normal file
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@ -0,0 +1,218 @@
From a0aef7fbab0d8b5a0d445c74990e5233beda246e Mon Sep 17 00:00:00 2001
From: Jon Mason <jonmason@broadcom.com>
Date: Wed, 21 Oct 2015 18:46:04 -0400
Subject: [PATCH] ARM: dts: bcm5301x: Add BCM SVK DT files
Add device tree files for Broadcom Northstar based SVKs. Since the
bcm5301x.dtsi already exists, all that is necessary is the dts files to
enable the UARTs. With these files, the SVKs are able to boot to shell.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
---
arch/arm/boot/dts/Makefile | 5 +++-
arch/arm/boot/dts/bcm94708.dts | 56 +++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/bcm94709.dts | 56 +++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/bcm953012k.dts | 63 ++++++++++++++++++++++++++++++++++++++++
4 files changed, 179 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/boot/dts/bcm94708.dts
create mode 100644 arch/arm/boot/dts/bcm94709.dts
create mode 100644 arch/arm/boot/dts/bcm953012k.dts
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -75,7 +75,10 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4709-asus-rt-ac87u.dtb \
bcm4709-buffalo-wxr-1900dhp.dtb \
bcm4709-netgear-r7000.dtb \
- bcm4709-netgear-r8000.dtb
+ bcm4709-netgear-r8000.dtb \
+ bcm94708.dtb \
+ bcm94709.dtb \
+ bcm953012k.dtb
dtb-$(CONFIG_ARCH_BCM_63XX) += \
bcm963138dvt.dtb
dtb-$(CONFIG_ARCH_BCM_CYGNUS) += \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm94708.dts
@@ -0,0 +1,56 @@
+/*
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Broadcom Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/dts-v1/;
+
+#include "bcm4708.dtsi"
+
+/ {
+ model = "NorthStar SVK (BCM94708)";
+ compatible = "brcm,bcm94708", "brcm,bcm4708";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
--- /dev/null
+++ b/arch/arm/boot/dts/bcm94709.dts
@@ -0,0 +1,56 @@
+/*
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Broadcom Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/dts-v1/;
+
+#include "bcm4708.dtsi"
+
+/ {
+ model = "NorthStar SVK (BCM94709)";
+ compatible = "brcm,bcm94709", "brcm,bcm4709", "brcm,bcm4708";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
--- /dev/null
+++ b/arch/arm/boot/dts/bcm953012k.dts
@@ -0,0 +1,63 @@
+/*
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Broadcom Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/dts-v1/;
+
+#include "bcm4708.dtsi"
+
+/ {
+ model = "NorthStar SVK (BCM953012K)";
+ compatible = "brcm,bcm953012k", "brcm,brcm53012", "brcm,bcm4708";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory {
+ reg = <0x00000000 0x10000000>;
+ };
+};
+
+&uart0 {
+ clock-frequency = <62499840>;
+ status = "okay";
+};
+
+&uart1 {
+ clock-frequency = <62499840>;
+ status = "okay";
+};

11
target/linux/bcm53xx/patches-4.4/101-use-part-parser.patch Normal file
View file

@ -0,0 +1,11 @@
--- a/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
+++ b/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
@@ -19,6 +19,8 @@
nand-ecc-strength = <8>;
nand-ecc-step-size = <512>;
+
+ linux,part-probe = "ofpart", "bcm47xxpart";
};
};
};

69
target/linux/bcm53xx/patches-4.4/112-bcm53xx-sprom-add-sprom-driver.patch Normal file
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@ -0,0 +1,69 @@
From 4e0ab3269a6d260a41a3673157753147f5f71341 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 4 May 2014 13:19:20 +0200
Subject: [PATCH 03/17] bcm47xx-sprom: add Broadcom sprom parser driver
This driver needs an nvram driver and fetches the sprom values from the
nvram and provides it to any other driver. The calibration data for the
wifi chip the mac address and some more board description data is
stores in the sprom.
This is based on a copy of arch/mips/bcm47xx/sprom.c and my plan is to
make the bcm47xx MIPS SoCs also use this driver some time later.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
.../devicetree/bindings/misc/bcm47xx-sprom.txt | 16 +
drivers/misc/Kconfig | 11 +
drivers/misc/Makefile | 1 +
drivers/misc/bcm47xx-sprom.c | 690 +++++++++++++++++++++
4 files changed, 718 insertions(+)
create mode 100644 Documentation/devicetree/bindings/misc/bcm47xx-sprom.txt
create mode 100644 drivers/misc/bcm47xx-sprom.c
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/bcm47xx-sprom.txt
@@ -0,0 +1,16 @@
+Broadcom bcm47xx/bcm53xx sprom converter
+
+This driver provbides an sprom based on a given nvram.
+
+Required properties:
+
+- compatible : brcm,bcm47xx-sprom
+
+- nvram : reference to a nvram driver, e.g. bcm47xx-nvram
+
+Example:
+
+sprom0: sprom@0 {
+ compatible = "brcm,bcm47xx-sprom";
+ nvram = <&nvram0>;
+};
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -525,6 +525,17 @@ config VEXPRESS_SYSCFG
bus. System Configuration interface is one of the possible means
of generating transactions on this bus.
+config BCM47XX_SPROM
+ tristate "BCM47XX sprom driver"
+ help
+ This driver parses the sprom from a given nvram which is found on
+ Broadcom bcm47xx and bcm53xx SoCs.
+
+ The sprom contains board configuration data like the
+ calibration data fro the wifi chips, the mac addresses used
+ by the board and many other board configuration data. This
+ driver will provide the sprom to bcma.
+
source "drivers/misc/c2port/Kconfig"
source "drivers/misc/eeprom/Kconfig"
source "drivers/misc/cb710/Kconfig"
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -56,3 +56,4 @@ obj-$(CONFIG_GENWQE) += genwqe/
obj-$(CONFIG_ECHO) += echo/
obj-$(CONFIG_VEXPRESS_SYSCFG) += vexpress-syscfg.o
obj-$(CONFIG_CXL_BASE) += cxl/
+obj-$(CONFIG_BCM47XX_SPROM) += bcm47xx-sprom.o

69
target/linux/bcm53xx/patches-4.4/130-dt-bindings-add-SMP-enable-method-for-Broadcom-NSP.patch Normal file
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@ -0,0 +1,69 @@
From 204b9dbd7c4bd5a223fd104b9cba56c12fe04add Mon Sep 17 00:00:00 2001
From: Kapil Hali <kapilh@broadcom.com>
Date: Wed, 19 Aug 2015 13:42:23 -0400
Subject: [PATCH 130/134] dt-bindings: add SMP enable-method for Broadcom NSP
Add a compatible string "brcm,bcm-nsp-smp" for Broadcom's
Northstar Plus CPU to the 32-bit ARM CPU device tree binding
documentation file and create a new binding documentation for
Northstar Plus CPU.
Signed-off-by: Kapil Hali <kapilh@broadcom.com>
---
.../bindings/arm/bcm/brcm,nsp-cpu-method.txt | 39 ++++++++++++++++++++++
Documentation/devicetree/bindings/arm/cpus.txt | 1 +
2 files changed, 40 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt
@@ -0,0 +1,39 @@
+Broadcom Northstar Plus SoC CPU Enable Method
+---------------------------------------------
+This binding defines the enable method used for starting secondary
+CPUs in the following Broadcom SoCs:
+ BCM58522, BCM58525, BCM58535, BCM58622, BCM58623, BCM58625, BCM88312
+
+The enable method is specified by defining the following required
+properties in the "cpus" device tree node:
+ - enable-method = "brcm,bcm-nsp-smp";
+ - secondary-boot-reg = <...>;
+
+The secondary-boot-reg property is a u32 value that specifies the
+physical address of the register which should hold the common
+entry point for a secondary CPU. This entry is cpu node specific
+and should be added per cpu. E.g., in case of NSP (BCM58625) which
+is a dual core CPU SoC, this entry should be added to cpu1 node.
+
+
+Example:
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ enable-method = "brcm,bcm-nsp-smp";
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ next-level-cache = <&L2>;
+ reg = <0>;
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ next-level-cache = <&L2>;
+ reg = <1>;
+ secondary-boot-reg = <0xffff042c>;
+ };
+ };
--- a/Documentation/devicetree/bindings/arm/cpus.txt
+++ b/Documentation/devicetree/bindings/arm/cpus.txt
@@ -190,6 +190,7 @@ nodes to be present and contain the prop
"allwinner,sun6i-a31"
"allwinner,sun8i-a23"
"arm,psci"
+ "brcm,bcm-nsp-smp"
"brcm,brahma-b15"
"marvell,armada-375-smp"
"marvell,armada-380-smp"

206
target/linux/bcm53xx/patches-4.4/131-ARM-BCM-Clean-up-SMP-support-for-Broadcom-Kona.patch Normal file
View file

@ -0,0 +1,206 @@
From 8622d6da5d95293d474c156612fd819fdaf542ec Mon Sep 17 00:00:00 2001
From: Kapil Hali <kapilh@broadcom.com>
Date: Wed, 25 Nov 2015 08:58:53 -0500
Subject: [PATCH 131/134] ARM: BCM: Clean up SMP support for Broadcom Kona
These changes cleans up SMP implementaion for Broadcom's
Kona SoC which are required for handling SMP for iProc
family of SoCs at a single place for BCM NSP and BCM Kona.
Signed-off-by: Kapil Hali <kapilh@broadcom.com>
---
arch/arm/boot/dts/bcm11351.dtsi | 2 +-
arch/arm/boot/dts/bcm21664.dtsi | 2 +-
arch/arm/mach-bcm/kona_smp.c | 82 +++++++++++++++++++++++++++--------------
3 files changed, 56 insertions(+), 30 deletions(-)
--- a/arch/arm/boot/dts/bcm11351.dtsi
+++ b/arch/arm/boot/dts/bcm11351.dtsi
@@ -31,7 +31,6 @@
#address-cells = <1>;
#size-cells = <0>;
enable-method = "brcm,bcm11351-cpu-method";
- secondary-boot-reg = <0x3500417c>;
cpu0: cpu@0 {
device_type = "cpu";
@@ -42,6 +41,7 @@
cpu1: cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a9";
+ secondary-boot-reg = <0x3500417c>;
reg = <1>;
};
};
--- a/arch/arm/boot/dts/bcm21664.dtsi
+++ b/arch/arm/boot/dts/bcm21664.dtsi
@@ -31,7 +31,6 @@
#address-cells = <1>;
#size-cells = <0>;
enable-method = "brcm,bcm11351-cpu-method";
- secondary-boot-reg = <0x35004178>;
cpu0: cpu@0 {
device_type = "cpu";
@@ -42,6 +41,7 @@
cpu1: cpu@1 {
device_type = "cpu";
compatible = "arm,cortex-a9";
+ secondary-boot-reg = <0x35004178>;
reg = <1>;
};
};
--- a/arch/arm/mach-bcm/kona_smp.c
+++ b/arch/arm/mach-bcm/kona_smp.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2014 Broadcom Corporation
+ * Copyright (C) 2014-2015 Broadcom Corporation
* Copyright 2014 Linaro Limited
*
* This program is free software; you can redistribute it and/or
@@ -30,9 +30,10 @@
/* Name of device node property defining secondary boot register location */
#define OF_SECONDARY_BOOT "secondary-boot-reg"
+#define MPIDR_CPUID_BITMASK 0x3
/* I/O address of register used to coordinate secondary core startup */
-static u32 secondary_boot;
+static u32 secondary_boot_addr;
/*
* Enable the Cortex A9 Snoop Control Unit
@@ -78,44 +79,68 @@ static int __init scu_a9_enable(void)
static void __init bcm_smp_prepare_cpus(unsigned int max_cpus)
{
static cpumask_t only_cpu_0 = { CPU_BITS_CPU0 };
- struct device_node *node;
+ struct device_node *cpus_node = NULL;
+ struct device_node *cpu_node = NULL;
int ret;
- BUG_ON(secondary_boot); /* We're called only once */
-
/*
* This function is only called via smp_ops->smp_prepare_cpu().
* That only happens if a "/cpus" device tree node exists
* and has an "enable-method" property that selects the SMP
* operations defined herein.
*/
- node = of_find_node_by_path("/cpus");
- BUG_ON(!node);
-
- /*
- * Our secondary enable method requires a "secondary-boot-reg"
- * property to specify a register address used to request the
- * ROM code boot a secondary code. If we have any trouble
- * getting this we fall back to uniprocessor mode.
- */
- if (of_property_read_u32(node, OF_SECONDARY_BOOT, &secondary_boot)) {
- pr_err("%s: missing/invalid " OF_SECONDARY_BOOT " property\n",
- node->name);
- ret = -ENOENT; /* Arrange to disable SMP */
- goto out;
+ cpus_node = of_find_node_by_path("/cpus");
+ if (!cpus_node)
+ return;
+
+ for_each_child_of_node(cpus_node, cpu_node) {
+ u32 cpuid;
+
+ if (of_node_cmp(cpu_node->type, "cpu"))
+ continue;
+
+ if (of_property_read_u32(cpu_node, "reg", &cpuid)) {
+ pr_debug("%s: missing reg property\n",
+ cpu_node->full_name);
+ ret = -ENOENT;
+ goto out;
+ }
+
+ /*
+ * "secondary-boot-reg" property should be defined only
+ * for secondary cpu
+ */
+ if ((cpuid & MPIDR_CPUID_BITMASK) == 1) {
+ /*
+ * Our secondary enable method requires a
+ * "secondary-boot-reg" property to specify a register
+ * address used to request the ROM code boot a secondary
+ * core. If we have any trouble getting this we fall
+ * back to uniprocessor mode.
+ */
+ if (of_property_read_u32(cpu_node,
+ OF_SECONDARY_BOOT,
+ &secondary_boot_addr)) {
+ pr_warn("%s: no" OF_SECONDARY_BOOT "property\n",
+ cpu_node->name);
+ ret = -ENOENT;
+ goto out;
+ }
+ }
}
/*
- * Enable the SCU on Cortex A9 based SoCs. If -ENOENT is
+ * Enable the SCU on Cortex A9 based SoCs. If -ENOENT is
* returned, the SoC reported a uniprocessor configuration.
* We bail on any other error.
*/
ret = scu_a9_enable();
out:
- of_node_put(node);
+ of_node_put(cpu_node);
+ of_node_put(cpus_node);
+
if (ret) {
/* Update the CPU present map to reflect uniprocessor mode */
- BUG_ON(ret != -ENOENT);
pr_warn("disabling SMP\n");
init_cpu_present(&only_cpu_0);
}
@@ -139,7 +164,7 @@ out:
* - Wait for the secondary boot register to be re-written, which
* indicates the secondary core has started.
*/
-static int bcm_boot_secondary(unsigned int cpu, struct task_struct *idle)
+static int kona_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
void __iomem *boot_reg;
phys_addr_t boot_func;
@@ -154,15 +179,16 @@ static int bcm_boot_secondary(unsigned i
return -EINVAL;
}
- if (!secondary_boot) {
+ if (!secondary_boot_addr) {
pr_err("required secondary boot register not specified\n");
return -EINVAL;
}
- boot_reg = ioremap_nocache((phys_addr_t)secondary_boot, sizeof(u32));
+ boot_reg = ioremap_nocache(
+ (phys_addr_t)secondary_boot_addr, sizeof(u32));
if (!boot_reg) {
pr_err("unable to map boot register for cpu %u\n", cpu_id);
- return -ENOSYS;
+ return -ENOMEM;
}
/*
@@ -191,12 +217,12 @@ static int bcm_boot_secondary(unsigned i
pr_err("timeout waiting for cpu %u to start\n", cpu_id);
- return -ENOSYS;
+ return -ENXIO;
}
static struct smp_operations bcm_smp_ops __initdata = {
.smp_prepare_cpus = bcm_smp_prepare_cpus,
- .smp_boot_secondary = bcm_boot_secondary,
+ .smp_boot_secondary = kona_boot_secondary,
};
CPU_METHOD_OF_DECLARE(bcm_smp_bcm281xx, "brcm,bcm11351-cpu-method",
&bcm_smp_ops);

560
target/linux/bcm53xx/patches-4.4/133-ARM-BCM-Add-SMP-support-for-Broadcom-NSP.patch Normal file
View file

@ -0,0 +1,560 @@
From e99fb6d01cddf38cffc11655aba4a96a981d604e Mon Sep 17 00:00:00 2001
From: Kapil Hali <kapilh@broadcom.com>
Date: Wed, 25 Nov 2015 13:25:55 -0500
Subject: [PATCH 133/134] ARM: BCM: Add SMP support for Broadcom NSP
Add SMP support for Broadcom's Northstar Plus SoC
cpu enable method. This changes also consolidates
iProc family's - BCM NSP and BCM Kona, platform
SMP handling in a common file.
Northstar Plus SoC is based on ARM Cortex-A9
revision r3p0 which requires configuration for ARM
Errata 764369 for SMP. This change adds the needed
configuration option.
Signed-off-by: Kapil Hali <kapilh@broadcom.com>
---
arch/arm/mach-bcm/Kconfig | 2 +
arch/arm/mach-bcm/Makefile | 8 +-
arch/arm/mach-bcm/kona_smp.c | 228 ----------------------------------
arch/arm/mach-bcm/platsmp.c | 290 +++++++++++++++++++++++++++++++++++++++++++
4 files changed, 298 insertions(+), 230 deletions(-)
delete mode 100644 arch/arm/mach-bcm/kona_smp.c
create mode 100644 arch/arm/mach-bcm/platsmp.c
--- a/arch/arm/mach-bcm/Makefile
+++ b/arch/arm/mach-bcm/Makefile
@@ -23,7 +23,7 @@ obj-$(CONFIG_ARCH_BCM_281XX) += board_bc
obj-$(CONFIG_ARCH_BCM_21664) += board_bcm21664.o
# BCM281XX and BCM21664 SMP support
-obj-$(CONFIG_ARCH_BCM_MOBILE_SMP) += kona_smp.o
+obj-$(CONFIG_ARCH_BCM_MOBILE_SMP) += platsmp.o
# BCM281XX and BCM21664 L2 cache control
obj-$(CONFIG_ARCH_BCM_MOBILE_L2_CACHE) += kona_l2_cache.o
--- a/arch/arm/mach-bcm/kona_smp.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * Copyright (C) 2014-2015 Broadcom Corporation
- * Copyright 2014 Linaro Limited
- *
- * 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/init.h>
-#include <linux/errno.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/sched.h>
-
-#include <asm/smp.h>
-#include <asm/smp_plat.h>
-#include <asm/smp_scu.h>
-
-/* Size of mapped Cortex A9 SCU address space */
-#define CORTEX_A9_SCU_SIZE 0x58
-
-#define SECONDARY_TIMEOUT_NS NSEC_PER_MSEC /* 1 msec (in nanoseconds) */
-#define BOOT_ADDR_CPUID_MASK 0x3
-
-/* Name of device node property defining secondary boot register location */
-#define OF_SECONDARY_BOOT "secondary-boot-reg"
-#define MPIDR_CPUID_BITMASK 0x3
-
-/* I/O address of register used to coordinate secondary core startup */
-static u32 secondary_boot_addr;
-
-/*
- * Enable the Cortex A9 Snoop Control Unit
- *
- * By the time this is called we already know there are multiple
- * cores present. We assume we're running on a Cortex A9 processor,
- * so any trouble getting the base address register or getting the
- * SCU base is a problem.
- *
- * Return 0 if successful or an error code otherwise.
- */
-static int __init scu_a9_enable(void)
-{
- unsigned long config_base;
- void __iomem *scu_base;
-
- if (!scu_a9_has_base()) {
- pr_err("no configuration base address register!\n");
- return -ENXIO;
- }
-
- /* Config base address register value is zero for uniprocessor */
- config_base = scu_a9_get_base();
- if (!config_base) {
- pr_err("hardware reports only one core\n");
- return -ENOENT;
- }
-
- scu_base = ioremap((phys_addr_t)config_base, CORTEX_A9_SCU_SIZE);
- if (!scu_base) {
- pr_err("failed to remap config base (%lu/%u) for SCU\n",
- config_base, CORTEX_A9_SCU_SIZE);
- return -ENOMEM;
- }
-
- scu_enable(scu_base);
-
- iounmap(scu_base); /* That's the last we'll need of this */
-
- return 0;
-}
-
-static void __init bcm_smp_prepare_cpus(unsigned int max_cpus)
-{
- static cpumask_t only_cpu_0 = { CPU_BITS_CPU0 };
- struct device_node *cpus_node = NULL;
- struct device_node *cpu_node = NULL;
- int ret;
-
- /*
- * This function is only called via smp_ops->smp_prepare_cpu().
- * That only happens if a "/cpus" device tree node exists
- * and has an "enable-method" property that selects the SMP
- * operations defined herein.
- */
- cpus_node = of_find_node_by_path("/cpus");
- if (!cpus_node)
- return;
-
- for_each_child_of_node(cpus_node, cpu_node) {
- u32 cpuid;
-
- if (of_node_cmp(cpu_node->type, "cpu"))
- continue;
-
- if (of_property_read_u32(cpu_node, "reg", &cpuid)) {
- pr_debug("%s: missing reg property\n",
- cpu_node->full_name);
- ret = -ENOENT;
- goto out;
- }
-
- /*
- * "secondary-boot-reg" property should be defined only
- * for secondary cpu
- */
- if ((cpuid & MPIDR_CPUID_BITMASK) == 1) {
- /*
- * Our secondary enable method requires a
- * "secondary-boot-reg" property to specify a register
- * address used to request the ROM code boot a secondary
- * core. If we have any trouble getting this we fall
- * back to uniprocessor mode.
- */
- if (of_property_read_u32(cpu_node,
- OF_SECONDARY_BOOT,
- &secondary_boot_addr)) {
- pr_warn("%s: no" OF_SECONDARY_BOOT "property\n",
- cpu_node->name);
- ret = -ENOENT;
- goto out;
- }
- }
- }
-
- /*
- * Enable the SCU on Cortex A9 based SoCs. If -ENOENT is
- * returned, the SoC reported a uniprocessor configuration.
- * We bail on any other error.
- */
- ret = scu_a9_enable();
-out:
- of_node_put(cpu_node);
- of_node_put(cpus_node);
-
- if (ret) {
- /* Update the CPU present map to reflect uniprocessor mode */
- pr_warn("disabling SMP\n");
- init_cpu_present(&only_cpu_0);
- }
-}
-
-/*
- * The ROM code has the secondary cores looping, waiting for an event.
- * When an event occurs each core examines the bottom two bits of the
- * secondary boot register. When a core finds those bits contain its
- * own core id, it performs initialization, including computing its boot
- * address by clearing the boot register value's bottom two bits. The
- * core signals that it is beginning its execution by writing its boot
- * address back to the secondary boot register, and finally jumps to
- * that address.
- *
- * So to start a core executing we need to:
- * - Encode the (hardware) CPU id with the bottom bits of the secondary
- * start address.
- * - Write that value into the secondary boot register.
- * - Generate an event to wake up the secondary CPU(s).
- * - Wait for the secondary boot register to be re-written, which
- * indicates the secondary core has started.
- */
-static int kona_boot_secondary(unsigned int cpu, struct task_struct *idle)
-{
- void __iomem *boot_reg;
- phys_addr_t boot_func;
- u64 start_clock;
- u32 cpu_id;
- u32 boot_val;
- bool timeout = false;
-
- cpu_id = cpu_logical_map(cpu);
- if (cpu_id & ~BOOT_ADDR_CPUID_MASK) {
- pr_err("bad cpu id (%u > %u)\n", cpu_id, BOOT_ADDR_CPUID_MASK);
- return -EINVAL;
- }
-
- if (!secondary_boot_addr) {
- pr_err("required secondary boot register not specified\n");
- return -EINVAL;
- }
-
- boot_reg = ioremap_nocache(
- (phys_addr_t)secondary_boot_addr, sizeof(u32));
- if (!boot_reg) {
- pr_err("unable to map boot register for cpu %u\n", cpu_id);
- return -ENOMEM;
- }
-
- /*
- * Secondary cores will start in secondary_startup(),
- * defined in "arch/arm/kernel/head.S"
- */
- boot_func = virt_to_phys(secondary_startup);
- BUG_ON(boot_func & BOOT_ADDR_CPUID_MASK);
- BUG_ON(boot_func > (phys_addr_t)U32_MAX);
-
- /* The core to start is encoded in the low bits */
- boot_val = (u32)boot_func | cpu_id;
- writel_relaxed(boot_val, boot_reg);
-
- sev();
-
- /* The low bits will be cleared once the core has started */
- start_clock = local_clock();
- while (!timeout && readl_relaxed(boot_reg) == boot_val)
- timeout = local_clock() - start_clock > SECONDARY_TIMEOUT_NS;
-
- iounmap(boot_reg);
-
- if (!timeout)
- return 0;
-
- pr_err("timeout waiting for cpu %u to start\n", cpu_id);
-
- return -ENXIO;
-}
-
-static struct smp_operations bcm_smp_ops __initdata = {
- .smp_prepare_cpus = bcm_smp_prepare_cpus,
- .smp_boot_secondary = kona_boot_secondary,
-};
-CPU_METHOD_OF_DECLARE(bcm_smp_bcm281xx, "brcm,bcm11351-cpu-method",
- &bcm_smp_ops);
--- /dev/null
+++ b/arch/arm/mach-bcm/platsmp.c
@@ -0,0 +1,290 @@
+/*
+ * Copyright (C) 2014-2015 Broadcom Corporation
+ * Copyright 2014 Linaro Limited
+ *
+ * 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/cpumask.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/jiffies.h>
+#include <linux/of.h>
+#include <linux/sched.h>
+#include <linux/smp.h>
+
+#include <asm/cacheflush.h>
+#include <asm/smp.h>
+#include <asm/smp_plat.h>
+#include <asm/smp_scu.h>
+
+/* Size of mapped Cortex A9 SCU address space */
+#define CORTEX_A9_SCU_SIZE 0x58
+
+#define SECONDARY_TIMEOUT_NS NSEC_PER_MSEC /* 1 msec (in nanoseconds) */
+#define BOOT_ADDR_CPUID_MASK 0x3
+
+/* Name of device node property defining secondary boot register location */
+#define OF_SECONDARY_BOOT "secondary-boot-reg"
+#define MPIDR_CPUID_BITMASK 0x3
+
+/* I/O address of register used to coordinate secondary core startup */
+static u32 secondary_boot_addr;
+
+/*
+ * Enable the Cortex A9 Snoop Control Unit
+ *
+ * By the time this is called we already know there are multiple
+ * cores present. We assume we're running on a Cortex A9 processor,
+ * so any trouble getting the base address register or getting the
+ * SCU base is a problem.
+ *
+ * Return 0 if successful or an error code otherwise.
+ */
+static int __init scu_a9_enable(void)
+{
+ unsigned long config_base;
+ void __iomem *scu_base;
+
+ if (!scu_a9_has_base()) {
+ pr_err("no configuration base address register!\n");
+ return -ENXIO;
+ }
+
+ /* Config base address register value is zero for uniprocessor */
+ config_base = scu_a9_get_base();
+ if (!config_base) {
+ pr_err("hardware reports only one core\n");
+ return -ENOENT;
+ }
+
+ scu_base = ioremap((phys_addr_t)config_base, CORTEX_A9_SCU_SIZE);
+ if (!scu_base) {
+ pr_err("failed to remap config base (%lu/%u) for SCU\n",
+ config_base, CORTEX_A9_SCU_SIZE);
+ return -ENOMEM;
+ }
+
+ scu_enable(scu_base);
+
+ iounmap(scu_base); /* That's the last we'll need of this */
+
+ return 0;
+}
+
+static int nsp_write_lut(void)
+{
+ void __iomem *sku_rom_lut;
+ phys_addr_t secondary_startup_phy;
+
+ if (!secondary_boot_addr) {
+ pr_warn("required secondary boot register not specified\n");
+ return -EINVAL;
+ }
+
+ sku_rom_lut = ioremap_nocache((phys_addr_t)secondary_boot_addr,
+ sizeof(secondary_boot_addr));
+ if (!sku_rom_lut) {
+ pr_warn("unable to ioremap SKU-ROM LUT register\n");
+ return -ENOMEM;
+ }
+
+ secondary_startup_phy = virt_to_phys(secondary_startup);
+ BUG_ON(secondary_startup_phy > (phys_addr_t)U32_MAX);
+
+ writel_relaxed(secondary_startup_phy, sku_rom_lut);
+
+ /* Ensure the write is visible to the secondary core */
+ smp_wmb();
+
+ iounmap(sku_rom_lut);
+
+ return 0;
+}
+
+static void __init bcm_smp_prepare_cpus(unsigned int max_cpus)
+{
+ static cpumask_t only_cpu_0 = { CPU_BITS_CPU0 };
+ struct device_node *cpus_node = NULL;
+ struct device_node *cpu_node = NULL;
+ int ret;
+
+ /*
+ * This function is only called via smp_ops->smp_prepare_cpu().
+ * That only happens if a "/cpus" device tree node exists
+ * and has an "enable-method" property that selects the SMP
+ * operations defined herein.
+ */
+ cpus_node = of_find_node_by_path("/cpus");
+ if (!cpus_node)
+ return;
+
+ for_each_child_of_node(cpus_node, cpu_node) {
+ u32 cpuid;
+
+ if (of_node_cmp(cpu_node->type, "cpu"))
+ continue;
+
+ if (of_property_read_u32(cpu_node, "reg", &cpuid)) {
+ pr_debug("%s: missing reg property\n",
+ cpu_node->full_name);
+ ret = -ENOENT;
+ goto out;
+ }
+
+ /*
+ * "secondary-boot-reg" property should be defined only
+ * for secondary cpu
+ */
+ if ((cpuid & MPIDR_CPUID_BITMASK) == 1) {
+ /*
+ * Our secondary enable method requires a
+ * "secondary-boot-reg" property to specify a register
+ * address used to request the ROM code boot a secondary
+ * core. If we have any trouble getting this we fall
+ * back to uniprocessor mode.
+ */
+ if (of_property_read_u32(cpu_node,
+ OF_SECONDARY_BOOT,
+ &secondary_boot_addr)) {
+ pr_warn("%s: no" OF_SECONDARY_BOOT "property\n",
+ cpu_node->name);
+ ret = -ENOENT;
+ goto out;
+ }
+ }
+ }
+
+ /*
+ * Enable the SCU on Cortex A9 based SoCs. If -ENOENT is
+ * returned, the SoC reported a uniprocessor configuration.
+ * We bail on any other error.
+ */
+ ret = scu_a9_enable();
+out:
+ of_node_put(cpu_node);
+ of_node_put(cpus_node);
+
+ if (ret) {
+ /* Update the CPU present map to reflect uniprocessor mode */
+ pr_warn("disabling SMP\n");
+ init_cpu_present(&only_cpu_0);
+ }
+}
+
+/*
+ * The ROM code has the secondary cores looping, waiting for an event.
+ * When an event occurs each core examines the bottom two bits of the
+ * secondary boot register. When a core finds those bits contain its
+ * own core id, it performs initialization, including computing its boot
+ * address by clearing the boot register value's bottom two bits. The
+ * core signals that it is beginning its execution by writing its boot
+ * address back to the secondary boot register, and finally jumps to
+ * that address.
+ *
+ * So to start a core executing we need to:
+ * - Encode the (hardware) CPU id with the bottom bits of the secondary
+ * start address.
+ * - Write that value into the secondary boot register.
+ * - Generate an event to wake up the secondary CPU(s).
+ * - Wait for the secondary boot register to be re-written, which
+ * indicates the secondary core has started.
+ */
+static int kona_boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+ void __iomem *boot_reg;
+ phys_addr_t boot_func;
+ u64 start_clock;
+ u32 cpu_id;
+ u32 boot_val;
+ bool timeout = false;
+
+ cpu_id = cpu_logical_map(cpu);
+ if (cpu_id & ~BOOT_ADDR_CPUID_MASK) {
+ pr_err("bad cpu id (%u > %u)\n", cpu_id, BOOT_ADDR_CPUID_MASK);
+ return -EINVAL;
+ }
+
+ if (!secondary_boot_addr) {
+ pr_err("required secondary boot register not specified\n");
+ return -EINVAL;
+ }
+
+ boot_reg = ioremap_nocache(
+ (phys_addr_t)secondary_boot_addr, sizeof(u32));
+ if (!boot_reg) {
+ pr_err("unable to map boot register for cpu %u\n", cpu_id);
+ return -ENOMEM;
+ }
+
+ /*
+ * Secondary cores will start in secondary_startup(),
+ * defined in "arch/arm/kernel/head.S"
+ */
+ boot_func = virt_to_phys(secondary_startup);
+ BUG_ON(boot_func & BOOT_ADDR_CPUID_MASK);
+ BUG_ON(boot_func > (phys_addr_t)U32_MAX);
+
+ /* The core to start is encoded in the low bits */
+ boot_val = (u32)boot_func | cpu_id;
+ writel_relaxed(boot_val, boot_reg);
+
+ sev();
+
+ /* The low bits will be cleared once the core has started */
+ start_clock = local_clock();
+ while (!timeout && readl_relaxed(boot_reg) == boot_val)
+ timeout = local_clock() - start_clock > SECONDARY_TIMEOUT_NS;
+
+ iounmap(boot_reg);
+
+ if (!timeout)
+ return 0;
+
+ pr_err("timeout waiting for cpu %u to start\n", cpu_id);
+
+ return -ENXIO;
+}
+
+static int nsp_boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+ int ret;
+
+ /*
+ * After wake up, secondary core branches to the startup
+ * address programmed at SKU ROM LUT location.
+ */
+ ret = nsp_write_lut();
+ if (ret) {
+ pr_err("unable to write startup addr to SKU ROM LUT\n");
+ goto out;
+ }
+
+ /* Send a CPU wakeup interrupt to the secondary core */
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
+
+out:
+ return ret;
+}
+
+static struct smp_operations bcm_smp_ops __initdata = {
+ .smp_prepare_cpus = bcm_smp_prepare_cpus,
+ .smp_boot_secondary = kona_boot_secondary,
+};
+CPU_METHOD_OF_DECLARE(bcm_smp_bcm281xx, "brcm,bcm11351-cpu-method",
+ &bcm_smp_ops);
+
+struct smp_operations nsp_smp_ops __initdata = {
+ .smp_prepare_cpus = bcm_smp_prepare_cpus,
+ .smp_boot_secondary = nsp_boot_secondary,
+};
+CPU_METHOD_OF_DECLARE(bcm_smp_nsp, "brcm,bcm-nsp-smp", &nsp_smp_ops);

57
target/linux/bcm53xx/patches-4.4/134-ARM-BCM-Add-SMP-support-for-Broadcom-4708.patch Normal file
View file

@ -0,0 +1,57 @@
From 16e1bf7dde22ee22a331aabf824cc31a6794a4cb Mon Sep 17 00:00:00 2001
From: Jon Mason <jonmason@broadcom.com>
Date: Thu, 15 Oct 2015 14:09:10 -0400
Subject: [PATCH 134/134] ARM: BCM: Add SMP support for Broadcom 4708
Add SMP support for Broadcom's 4708 SoCs.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Tested-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Kapil Hali <kapilh@broadcom.com>
---
arch/arm/boot/dts/bcm4708.dtsi | 2 ++
arch/arm/mach-bcm/Kconfig | 1 +
arch/arm/mach-bcm/Makefile | 3 +++
3 files changed, 6 insertions(+)
--- a/arch/arm/boot/dts/bcm4708.dtsi
+++ b/arch/arm/boot/dts/bcm4708.dtsi
@@ -15,6 +15,7 @@
cpus {
#address-cells = <1>;
#size-cells = <0>;
+ enable-method = "brcm,bcm-nsp-smp";
cpu@0 {
device_type = "cpu";
@@ -27,6 +28,7 @@
device_type = "cpu";
compatible = "arm,cortex-a9";
next-level-cache = <&L2>;
+ secondary-boot-reg = <0xffff0400>;
reg = <0x1>;
};
};
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -55,6 +55,7 @@ config ARCH_BCM_5301X
select ARM_ERRATA_754322
select ARM_ERRATA_775420
select ARM_ERRATA_764369 if SMP
+ select HAVE_SMP
help
Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores.
--- a/arch/arm/mach-bcm/Makefile
+++ b/arch/arm/mach-bcm/Makefile
@@ -39,6 +39,9 @@ obj-$(CONFIG_ARCH_BCM2835) += board_bcm2
# BCM5301X
obj-$(CONFIG_ARCH_BCM_5301X) += bcm_5301x.o
+ifeq ($(CONFIG_ARCH_BCM_5301X),y)
+obj-$(CONFIG_SMP) += platsmp.o
+endif
# BCM63XXx
ifeq ($(CONFIG_ARCH_BCM_63XX),y)

29
target/linux/bcm53xx/patches-4.4/150-PCI-iproc-Update-iProc-PCIe-device-tree-binding.patch Normal file
View file

@ -0,0 +1,29 @@
From d85a955118c8d8679d4f746fe2189c172d7c365f Mon Sep 17 00:00:00 2001
From: Ray Jui <rjui@broadcom.com>
Date: Mon, 16 Nov 2015 17:18:05 -0800
Subject: [PATCH 150/154] PCI: iproc: Update iProc PCIe device tree binding
Add a new compatible string "brcm,iproc-pcie-paxc", for PAXC based iProc
PCIe root complex. A PAXC based PCIe root complex is connected to
emulated endpoint devices internal to the ASIC
Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
---
Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
@@ -1,7 +1,10 @@
* Broadcom iProc PCIe controller with the platform bus interface
Required properties:
-- compatible: Must be "brcm,iproc-pcie"
+- compatible: Must be "brcm,iproc-pcie" for PAXB, or "brcm,iproc-pcie-paxc"
+ for PAXC. PAXB based root complex is used for external endpoint devices.
+ PAXC based root complex is connected to emulated endpoint devices
+ internal to the ASIC
- reg: base address and length of the PCIe controller I/O register space
- #interrupt-cells: set to <1>
- interrupt-map-mask and interrupt-map, standard PCI properties to define the

428
target/linux/bcm53xx/patches-4.4/151-PCI-iproc-Add-PAXC-interface-support.patch Normal file
View file

@ -0,0 +1,428 @@
From a13fc4733b25d6dad6ec1826f09225c69ee21e3a Mon Sep 17 00:00:00 2001
From: Ray Jui <rjui@broadcom.com>
Date: Mon, 16 Nov 2015 17:41:43 -0800
Subject: [PATCH 151/154] PCI: iproc: Add PAXC interface support
Traditionally, all iProc PCIe root complexes use PAXB based wrapper,
with an integrated on-chip Serdes to support external endpoint devices.
On newer iProc platforms, a PAXC based wrapper is introduced, for
connection with internally emulated PCIe endpoint devices in the ASIC
This patch adds support for PAXC based iProc PCIe root complex in the
iProc PCIe core driver. This change fators out common logic between
PAXB and PAXC, and use tables to store register offsets that are
different between PAXB and PAXC. This allows the driver to be scaled to
support subsequent PAXC revisions in the future
Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
---
drivers/pci/host/pcie-iproc-platform.c | 24 +++-
drivers/pci/host/pcie-iproc.c | 202 +++++++++++++++++++++++++++------
drivers/pci/host/pcie-iproc.h | 19 ++++
3 files changed, 205 insertions(+), 40 deletions(-)
--- a/drivers/pci/host/pcie-iproc-platform.c
+++ b/drivers/pci/host/pcie-iproc-platform.c
@@ -26,8 +26,21 @@
#include "pcie-iproc.h"
+static const struct of_device_id iproc_pcie_of_match_table[] = {
+ {
+ .compatible = "brcm,iproc-pcie",
+ .data = (int *)IPROC_PCIE_PAXB,
+ }, {
+ .compatible = "brcm,iproc-pcie-paxc",
+ .data = (int *)IPROC_PCIE_PAXC,
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, iproc_pcie_of_match_table);
+
static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
{
+ const struct of_device_id *of_id;
struct iproc_pcie *pcie;
struct device_node *np = pdev->dev.of_node;
struct resource reg;
@@ -35,11 +48,16 @@ static int iproc_pcie_pltfm_probe(struct
LIST_HEAD(res);
int ret;
+ of_id = of_match_device(iproc_pcie_of_match_table, &pdev->dev);
+ if (!of_id)
+ return -EINVAL;
+
pcie = devm_kzalloc(&pdev->dev, sizeof(struct iproc_pcie), GFP_KERNEL);
if (!pcie)
return -ENOMEM;
pcie->dev = &pdev->dev;
+ pcie->type = (enum iproc_pcie_type)of_id->data;
platform_set_drvdata(pdev, pcie);
ret = of_address_to_resource(np, 0, &reg);
@@ -114,12 +132,6 @@ static int iproc_pcie_pltfm_remove(struc
return iproc_pcie_remove(pcie);
}
-static const struct of_device_id iproc_pcie_of_match_table[] = {
- { .compatible = "brcm,iproc-pcie", },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, iproc_pcie_of_match_table);
-
static struct platform_driver iproc_pcie_pltfm_driver = {
.driver = {
.name = "iproc-pcie",
--- a/drivers/pci/host/pcie-iproc.c
+++ b/drivers/pci/host/pcie-iproc.c
@@ -30,20 +30,16 @@
#include "pcie-iproc.h"
-#define CLK_CONTROL_OFFSET 0x000
#define EP_PERST_SOURCE_SELECT_SHIFT 2
#define EP_PERST_SOURCE_SELECT BIT(EP_PERST_SOURCE_SELECT_SHIFT)
#define EP_MODE_SURVIVE_PERST_SHIFT 1
#define EP_MODE_SURVIVE_PERST BIT(EP_MODE_SURVIVE_PERST_SHIFT)
#define RC_PCIE_RST_OUTPUT_SHIFT 0
#define RC_PCIE_RST_OUTPUT BIT(RC_PCIE_RST_OUTPUT_SHIFT)
+#define PAXC_RESET_MASK 0x7f
-#define CFG_IND_ADDR_OFFSET 0x120
#define CFG_IND_ADDR_MASK 0x00001ffc
-#define CFG_IND_DATA_OFFSET 0x124
-
-#define CFG_ADDR_OFFSET 0x1f8
#define CFG_ADDR_BUS_NUM_SHIFT 20
#define CFG_ADDR_BUS_NUM_MASK 0x0ff00000
#define CFG_ADDR_DEV_NUM_SHIFT 15
@@ -55,12 +51,8 @@
#define CFG_ADDR_CFG_TYPE_SHIFT 0
#define CFG_ADDR_CFG_TYPE_MASK 0x00000003
-#define CFG_DATA_OFFSET 0x1fc
-
-#define SYS_RC_INTX_EN 0x330
#define SYS_RC_INTX_MASK 0xf
-#define PCIE_LINK_STATUS_OFFSET 0xf0c
#define PCIE_PHYLINKUP_SHIFT 3
#define PCIE_PHYLINKUP BIT(PCIE_PHYLINKUP_SHIFT)
#define PCIE_DL_ACTIVE_SHIFT 2
@@ -71,12 +63,54 @@
#define OARR_SIZE_CFG_SHIFT 1
#define OARR_SIZE_CFG BIT(OARR_SIZE_CFG_SHIFT)
-#define OARR_LO(window) (0xd20 + (window) * 8)
-#define OARR_HI(window) (0xd24 + (window) * 8)
-#define OMAP_LO(window) (0xd40 + (window) * 8)
-#define OMAP_HI(window) (0xd44 + (window) * 8)
-
#define MAX_NUM_OB_WINDOWS 2
+#define MAX_NUM_PAXC_PF 4
+
+#define IPROC_PCIE_REG_INVALID 0xffff
+
+enum iproc_pcie_reg {
+ IPROC_PCIE_CLK_CTRL = 0,
+ IPROC_PCIE_CFG_IND_ADDR,
+ IPROC_PCIE_CFG_IND_DATA,
+ IPROC_PCIE_CFG_ADDR,
+ IPROC_PCIE_CFG_DATA,
+ IPROC_PCIE_INTX_EN,
+ IPROC_PCIE_OARR_LO,
+ IPROC_PCIE_OARR_HI,
+ IPROC_PCIE_OMAP_LO,
+ IPROC_PCIE_OMAP_HI,
+ IPROC_PCIE_LINK_STATUS,
+};
+
+/* iProc PCIe PAXB registers */
+static const u16 iproc_pcie_reg_paxb[] = {
+ [IPROC_PCIE_CLK_CTRL] = 0x000,
+ [IPROC_PCIE_CFG_IND_ADDR] = 0x120,
+ [IPROC_PCIE_CFG_IND_DATA] = 0x124,
+ [IPROC_PCIE_CFG_ADDR] = 0x1f8,
+ [IPROC_PCIE_CFG_DATA] = 0x1fc,
+ [IPROC_PCIE_INTX_EN] = 0x330,
+ [IPROC_PCIE_OARR_LO] = 0xd20,
+ [IPROC_PCIE_OARR_HI] = 0xd24,
+ [IPROC_PCIE_OMAP_LO] = 0xd40,
+ [IPROC_PCIE_OMAP_HI] = 0xd44,
+ [IPROC_PCIE_LINK_STATUS] = 0xf0c,
+};
+
+/* iProc PCIe PAXC v1 registers */
+static const u16 iproc_pcie_reg_paxc[] = {
+ [IPROC_PCIE_CLK_CTRL] = 0x000,
+ [IPROC_PCIE_CFG_IND_ADDR] = 0x1f0,
+ [IPROC_PCIE_CFG_IND_DATA] = 0x1f4,
+ [IPROC_PCIE_CFG_ADDR] = 0x1f8,
+ [IPROC_PCIE_CFG_DATA] = 0x1fc,
+ [IPROC_PCIE_INTX_EN] = IPROC_PCIE_REG_INVALID,
+ [IPROC_PCIE_OARR_LO] = IPROC_PCIE_REG_INVALID,
+ [IPROC_PCIE_OARR_HI] = IPROC_PCIE_REG_INVALID,
+ [IPROC_PCIE_OMAP_LO] = IPROC_PCIE_REG_INVALID,
+ [IPROC_PCIE_OMAP_HI] = IPROC_PCIE_REG_INVALID,
+ [IPROC_PCIE_LINK_STATUS] = IPROC_PCIE_REG_INVALID,
+};
static inline struct iproc_pcie *iproc_data(struct pci_bus *bus)
{
@@ -91,6 +125,65 @@ static inline struct iproc_pcie *iproc_d
return pcie;
}
+static inline bool iproc_pcie_reg_is_invalid(u16 reg_offset)
+{
+ return !!(reg_offset == IPROC_PCIE_REG_INVALID);
+}
+
+static inline u16 iproc_pcie_reg_offset(struct iproc_pcie *pcie,
+ enum iproc_pcie_reg reg)
+{
+ return pcie->reg_offsets[reg];
+}
+
+static inline u32 iproc_pcie_read_reg(struct iproc_pcie *pcie,
+ enum iproc_pcie_reg reg)
+{
+ u16 offset = iproc_pcie_reg_offset(pcie, reg);
+
+ if (iproc_pcie_reg_is_invalid(offset))
+ return 0;
+
+ return readl(pcie->base + offset);
+}
+
+static inline void iproc_pcie_write_reg(struct iproc_pcie *pcie,
+ enum iproc_pcie_reg reg, u32 val)
+{
+ u16 offset = iproc_pcie_reg_offset(pcie, reg);
+
+ if (iproc_pcie_reg_is_invalid(offset))
+ return;
+
+ writel(val, pcie->base + offset);
+}
+
+static inline void iproc_pcie_ob_write(struct iproc_pcie *pcie,
+ enum iproc_pcie_reg reg,
+ unsigned window, u32 val)
+{
+ u16 offset = iproc_pcie_reg_offset(pcie, reg);
+
+ if (iproc_pcie_reg_is_invalid(offset))
+ return;
+
+ writel(val, pcie->base + offset + (window * 8));
+}
+
+static inline bool iproc_pcie_device_is_valid(struct iproc_pcie *pcie,
+ unsigned int slot,
+ unsigned int fn)
+{
+ if (slot > 0)
+ return false;
+
+ /* PAXC can only support limited number of functions */
+ if (pcie->type == IPROC_PCIE_PAXC && fn >= MAX_NUM_PAXC_PF)
+ return false;
+
+ return true;
+}
+
/**
* Note access to the configuration registers are protected at the higher layer
* by 'pci_lock' in drivers/pci/access.c
@@ -104,28 +197,34 @@ static void __iomem *iproc_pcie_map_cfg_
unsigned fn = PCI_FUNC(devfn);
unsigned busno = bus->number;
u32 val;
+ u16 offset;
+
+ if (!iproc_pcie_device_is_valid(pcie, slot, fn))
+ return NULL;
/* root complex access */
if (busno == 0) {
- if (slot >= 1)
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CFG_IND_ADDR,
+ where & CFG_IND_ADDR_MASK);
+ offset = iproc_pcie_reg_offset(pcie, IPROC_PCIE_CFG_IND_DATA);
+ if (iproc_pcie_reg_is_invalid(offset))
return NULL;
- writel(where & CFG_IND_ADDR_MASK,
- pcie->base + CFG_IND_ADDR_OFFSET);
- return (pcie->base + CFG_IND_DATA_OFFSET);
+ else
+ return (pcie->base + offset);
}
- if (fn > 1)
- return NULL;
-
/* EP device access */
val = (busno << CFG_ADDR_BUS_NUM_SHIFT) |
(slot << CFG_ADDR_DEV_NUM_SHIFT) |
(fn << CFG_ADDR_FUNC_NUM_SHIFT) |
(where & CFG_ADDR_REG_NUM_MASK) |
(1 & CFG_ADDR_CFG_TYPE_MASK);
- writel(val, pcie->base + CFG_ADDR_OFFSET);
-
- return (pcie->base + CFG_DATA_OFFSET);
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CFG_ADDR, val);
+ offset = iproc_pcie_reg_offset(pcie, IPROC_PCIE_CFG_DATA);
+ if (iproc_pcie_reg_is_invalid(offset))
+ return NULL;
+ else
+ return (pcie->base + offset);
}
static struct pci_ops iproc_pcie_ops = {
@@ -138,18 +237,29 @@ static void iproc_pcie_reset(struct ipro
{
u32 val;
+ if (pcie->type == IPROC_PCIE_PAXC) {
+ val = iproc_pcie_read_reg(pcie, IPROC_PCIE_CLK_CTRL);
+ val &= ~PAXC_RESET_MASK;
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CLK_CTRL, val);
+ udelay(100);
+ val |= PAXC_RESET_MASK;
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CLK_CTRL, val);
+ udelay(100);
+ return;
+ }
+
/*
* Select perst_b signal as reset source. Put the device into reset,
* and then bring it out of reset
*/
- val = readl(pcie->base + CLK_CONTROL_OFFSET);
+ val = iproc_pcie_read_reg(pcie, IPROC_PCIE_CLK_CTRL);
val &= ~EP_PERST_SOURCE_SELECT & ~EP_MODE_SURVIVE_PERST &
~RC_PCIE_RST_OUTPUT;
- writel(val, pcie->base + CLK_CONTROL_OFFSET);
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CLK_CTRL, val);
udelay(250);
val |= RC_PCIE_RST_OUTPUT;
- writel(val, pcie->base + CLK_CONTROL_OFFSET);
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_CLK_CTRL, val);
msleep(100);
}
@@ -160,7 +270,14 @@ static int iproc_pcie_check_link(struct
u16 pos, link_status;
bool link_is_active = false;
- val = readl(pcie->base + PCIE_LINK_STATUS_OFFSET);
+ /*
+ * PAXC connects to emulated endpoint devices directly and does not
+ * have a Serdes. Therefore skip the link detection logic here
+ */
+ if (pcie->type == IPROC_PCIE_PAXC)
+ return 0;
+
+ val = iproc_pcie_read_reg(pcie, IPROC_PCIE_LINK_STATUS);
if (!(val & PCIE_PHYLINKUP) || !(val & PCIE_DL_ACTIVE)) {
dev_err(pcie->dev, "PHY or data link is INACTIVE!\n");
return -ENODEV;
@@ -221,7 +338,7 @@ static int iproc_pcie_check_link(struct
static void iproc_pcie_enable(struct iproc_pcie *pcie)
{
- writel(SYS_RC_INTX_MASK, pcie->base + SYS_RC_INTX_EN);
+ iproc_pcie_write_reg(pcie, IPROC_PCIE_INTX_EN, SYS_RC_INTX_MASK);
}
/**
@@ -272,11 +389,15 @@ static int iproc_pcie_setup_ob(struct ip
axi_addr -= ob->axi_offset;
for (i = 0; i < MAX_NUM_OB_WINDOWS; i++) {
- writel(lower_32_bits(axi_addr) | OARR_VALID |
- (ob->set_oarr_size ? 1 : 0), pcie->base + OARR_LO(i));
- writel(upper_32_bits(axi_addr), pcie->base + OARR_HI(i));
- writel(lower_32_bits(pci_addr), pcie->base + OMAP_LO(i));
- writel(upper_32_bits(pci_addr), pcie->base + OMAP_HI(i));
+ iproc_pcie_ob_write(pcie, IPROC_PCIE_OARR_LO, i,
+ lower_32_bits(axi_addr) | OARR_VALID |
+ (ob->set_oarr_size ? 1 : 0));
+ iproc_pcie_ob_write(pcie, IPROC_PCIE_OARR_HI, i,
+ upper_32_bits(axi_addr));
+ iproc_pcie_ob_write(pcie, IPROC_PCIE_OMAP_LO, i,
+ lower_32_bits(pci_addr));
+ iproc_pcie_ob_write(pcie, IPROC_PCIE_OMAP_HI, i,
+ upper_32_bits(pci_addr));
size -= ob->window_size;
if (size == 0)
@@ -340,6 +461,19 @@ int iproc_pcie_setup(struct iproc_pcie *
goto err_exit_phy;
}
+ switch (pcie->type) {
+ case IPROC_PCIE_PAXB:
+ pcie->reg_offsets = iproc_pcie_reg_paxb;
+ break;
+ case IPROC_PCIE_PAXC:
+ pcie->reg_offsets = iproc_pcie_reg_paxc;
+ break;
+ default:
+ dev_err(pcie->dev, "incompatible iProc PCIe interface\n");
+ ret = -EINVAL;
+ goto err_power_off_phy;
+ }
+
iproc_pcie_reset(pcie);
if (pcie->need_ob_cfg) {
--- a/drivers/pci/host/pcie-iproc.h
+++ b/drivers/pci/host/pcie-iproc.h
@@ -15,6 +15,20 @@
#define _PCIE_IPROC_H
/**
+ * iProc PCIe interface type
+ *
+ * PAXB is the wrapper used in root complex that can be connected to an
+ * external endpoint device
+ *
+ * PAXC is the wrapper used in root complex dedicated for internal emulated
+ * endpoint devices
+ */
+enum iproc_pcie_type {
+ IPROC_PCIE_PAXB = 0,
+ IPROC_PCIE_PAXC,
+};
+
+/**
* iProc PCIe outbound mapping
* @set_oarr_size: indicates the OARR size bit needs to be set
* @axi_offset: offset from the AXI address to the internal address used by
@@ -29,7 +43,10 @@ struct iproc_pcie_ob {
/**
* iProc PCIe device
+ *
* @dev: pointer to device data structure
+ * @type: iProc PCIe interface type
+ * @reg_offsets: register offsets
* @base: PCIe host controller I/O register base
* @sysdata: Per PCI controller data (ARM-specific)
* @root_bus: pointer to root bus
@@ -41,6 +58,8 @@ struct iproc_pcie_ob {
*/
struct iproc_pcie {
struct device *dev;
+ enum iproc_pcie_type type;
+ const u16 *reg_offsets;
void __iomem *base;
#ifdef CONFIG_ARM
struct pci_sys_data sysdata;

67
target/linux/bcm53xx/patches-4.4/152-PCI-iproc-Add-iProc-PCIe-MSI-device-tree-binding.patch Normal file
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@ -0,0 +1,67 @@
From 96b40de5e36ec479dabb88500f1830a87818a809 Mon Sep 17 00:00:00 2001
From: Ray Jui <rjui@broadcom.com>
Date: Mon, 16 Nov 2015 17:57:33 -0800
Subject: [PATCH 152/154] PCI: iproc: Add iProc PCIe MSI device tree binding
This patch updates the iProc PCIe device tree bindings with added
binding information for MSI
Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Vikram Prakash <vikramp@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
---
.../devicetree/bindings/pci/brcm,iproc-pcie.txt | 35 ++++++++++++++++++++++
1 file changed, 35 insertions(+)
--- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
@@ -35,6 +35,28 @@ Optional:
- brcm,pcie-ob-oarr-size: Some iProc SoCs need the OARR size bit to be set to
increase the outbound window size
+MSI support (optional):
+
+For older platforms without MSI integrated in the GIC, iProc PCIe core provides
+an event queue based MSI support. The iProc MSI uses host memories to store
+MSI posted writes in the event queues
+
+- msi-parent: Link to the device node of the MSI controller. On newer iProc
+platforms, the MSI controller may be gicv2m or gicv3-its. On older iProc
+platforms without MSI support in its interrupt controller, one may use the
+event queue based MSI support integrated within the iProc PCIe core
+
+When the iProc event queue based MSI is used, one needs to define the
+following properties in the MSI device node:
+- compatible: Must be "brcm,iproc-msi"
+- msi-controller: claims itself as an MSI controller
+- interrupt-parent: Link to its parent interrupt device
+- interrupts: List of interrupt IDs from its parent interrupt device
+
+Optional properties:
+- brcm,pcie-msi-inten: Needs to be present for some older iProc platforms that
+require the interrupt enable registers to be set explicitly to enable MSI
+
Example:
pcie0: pcie@18012000 {
compatible = "brcm,iproc-pcie";
@@ -61,6 +83,19 @@ Example:
brcm,pcie-ob-oarr-size;
brcm,pcie-ob-axi-offset = <0x00000000>;
brcm,pcie-ob-window-size = <256>;
+
+ msi-parent = <&msi0>;
+
+ /* iProc event queue based MSI */
+ msi0: msi@18012000 {
+ compatible = "brcm,iproc-msi";
+ msi-controller;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_NONE>,
+ <GIC_SPI 97 IRQ_TYPE_NONE>,
+ <GIC_SPI 98 IRQ_TYPE_NONE>,
+ <GIC_SPI 99 IRQ_TYPE_NONE>,
+ };
};
pcie1: pcie@18013000 {

887
target/linux/bcm53xx/patches-4.4/153-PCI-iproc-Add-iProc-PCIe-MSI-support.patch Normal file
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@ -0,0 +1,887 @@
From c81922174d61127ff5baad6059ae148794c72276 Mon Sep 17 00:00:00 2001
From: Ray Jui <rjui@broadcom.com>
Date: Tue, 17 Nov 2015 13:14:37 -0800
Subject: [PATCH 153/154] PCI: iproc: Add iProc PCIe MSI support
This patch adds PCIe MSI support for both PAXB and PAXC interfaces on
all iProc based platforms
The iProc PCIe MSI support deploys an event queue based implementation.
Each event queue is serviced by a GIC interrupt and can support up to 64
MSI vectors. Host memory is allocated for the event queues, and each event
queue consists of 64 word-sized entries. MSI data is written to the
lower 16-bit of each entry, whereas the upper 16-bit of the entry is
reserved for the controller for internal processing
Each event queue is tracked by a head pointer and tail pointer. Head
pointer indicates the next entry in the event queue to be processed by
the driver and is updated by the driver after processing is done.
The controller uses the tail pointer as the next MSI data insertion
point. The controller ensures MSI data is flushed to host memory before
updating the tail pointer and then triggering the interrupt
MSI IRQ affinity is supported by evenly distributing the interrupts to
each CPU core. MSI vector is moved from one GIC interrupt to another in
order to steer to the target CPU
Therefore, the actual number of supported MSI vectors is:
M * 64 / N
where M denotes the number of GIC interrupts (event queues), and N
denotes the number of CPU cores
This iProc event queue based MSI support should not be used with newer
platforms with integrated MSI support in the GIC (e.g., giv2m or
gicv3-its)
Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Vikram Prakash <vikramp@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
---
drivers/pci/host/Kconfig | 9 +
drivers/pci/host/Makefile | 1 +
drivers/pci/host/pcie-iproc-bcma.c | 1 +
drivers/pci/host/pcie-iproc-msi.c | 675 +++++++++++++++++++++++++++++++++
drivers/pci/host/pcie-iproc-platform.c | 1 +
drivers/pci/host/pcie-iproc.c | 26 ++
drivers/pci/host/pcie-iproc.h | 23 +-
7 files changed, 734 insertions(+), 2 deletions(-)
create mode 100644 drivers/pci/host/pcie-iproc-msi.c
--- a/drivers/pci/host/Kconfig
+++ b/drivers/pci/host/Kconfig
@@ -126,6 +126,15 @@ config PCIE_IPROC
iProc family of SoCs. An appropriate bus interface driver also needs
to be enabled
+config PCIE_IPROC_MSI
+ bool "Broadcom iProc PCIe MSI support"
+ depends on ARCH_BCM_IPROC && PCI_MSI
+ select PCI_MSI_IRQ_DOMAIN
+ default ARCH_BCM_IPROC
+ help
+ Say Y here if you want to enable MSI support for Broadcom's iProc
+ PCIe controller
+
config PCIE_IPROC_PLATFORM
tristate "Broadcom iProc PCIe platform bus driver"
depends on ARCH_BCM_IPROC || (ARM && COMPILE_TEST)
--- a/drivers/pci/host/Makefile
+++ b/drivers/pci/host/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_PCI_XGENE_MSI) += pci-xgene
obj-$(CONFIG_PCI_LAYERSCAPE) += pci-layerscape.o
obj-$(CONFIG_PCI_VERSATILE) += pci-versatile.o
obj-$(CONFIG_PCIE_IPROC) += pcie-iproc.o
+obj-$(CONFIG_PCIE_IPROC_MSI) += pcie-iproc-msi.o
obj-$(CONFIG_PCIE_IPROC_PLATFORM) += pcie-iproc-platform.o
obj-$(CONFIG_PCIE_IPROC_BCMA) += pcie-iproc-bcma.o
obj-$(CONFIG_PCIE_ALTERA) += pcie-altera.o
--- a/drivers/pci/host/pcie-iproc-bcma.c
+++ b/drivers/pci/host/pcie-iproc-bcma.c
@@ -55,6 +55,7 @@ static int iproc_pcie_bcma_probe(struct
bcma_set_drvdata(bdev, pcie);
pcie->base = bdev->io_addr;
+ pcie->base_addr = bdev->addr;
res_mem.start = bdev->addr_s[0];
res_mem.end = bdev->addr_s[0] + SZ_128M - 1;
--- /dev/null
+++ b/drivers/pci/host/pcie-iproc-msi.c
@@ -0,0 +1,675 @@
+/*
+ * Copyright (C) 2015 Broadcom Corporation
+ *
+ * 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/interrupt.h>
+#include <linux/irqchip/chained_irq.h>
+#include <linux/irqdomain.h>
+#include <linux/msi.h>
+#include <linux/of_irq.h>
+#include <linux/of_pci.h>
+#include <linux/pci.h>
+
+#include "pcie-iproc.h"
+
+#define IPROC_MSI_INTR_EN_SHIFT 11
+#define IPROC_MSI_INTR_EN BIT(IPROC_MSI_INTR_EN_SHIFT)
+#define IPROC_MSI_INT_N_EVENT_SHIFT 1
+#define IPROC_MSI_INT_N_EVENT BIT(IPROC_MSI_INT_N_EVENT_SHIFT)
+#define IPROC_MSI_EQ_EN_SHIFT 0
+#define IPROC_MSI_EQ_EN BIT(IPROC_MSI_EQ_EN_SHIFT)
+
+#define IPROC_MSI_EQ_MASK 0x3f
+
+/* max number of GIC interrupts */
+#define NR_HW_IRQS 6
+
+/* number of entries in each event queue */
+#define EQ_LEN 64
+
+/* size of each event queue memory region */
+#define EQ_MEM_REGION_SIZE SZ_4K
+
+/* size of each MSI address region */
+#define MSI_MEM_REGION_SIZE SZ_4K
+
+enum iproc_msi_reg {
+ IPROC_MSI_EQ_PAGE = 0,
+ IPROC_MSI_EQ_PAGE_UPPER,
+ IPROC_MSI_PAGE,
+ IPROC_MSI_PAGE_UPPER,
+ IPROC_MSI_CTRL,
+ IPROC_MSI_EQ_HEAD,
+ IPROC_MSI_EQ_TAIL,
+ IPROC_MSI_INTS_EN,
+ IPROC_MSI_REG_SIZE,
+};
+
+struct iproc_msi;
+
+/**
+ * iProc MSI group
+ *
+ * One MSI group is allocated per GIC interrupt, serviced by one iProc MSI
+ * event queue
+ *
+ * @msi: pointer to iProc MSI data
+ * @gic_irq: GIC interrupt
+ * @eq: Event queue number
+ */
+struct iproc_msi_grp {
+ struct iproc_msi *msi;
+ int gic_irq;
+ unsigned int eq;
+};
+
+/**
+ * iProc event queue based MSI
+ *
+ * Only meant to be used on platforms without MSI support integrated into the
+ * GIC
+ *
+ * @pcie: pointer to iProc PCIe data
+ * @reg_offsets: MSI register offsets
+ * @grps: MSI groups
+ * @nr_irqs: number of total interrupts connected to GIC
+ * @nr_cpus: number of toal CPUs
+ * @has_inten_reg: indicates the MSI interrupt enable register needs to be
+ * set explicitly (required for some legacy platforms)
+ * @bitmap: MSI vector bitmap
+ * @bitmap_lock: lock to protect access to the MSI bitmap
+ * @nr_msi_vecs: total number of MSI vectors
+ * @inner_domain: inner IRQ domain
+ * @msi_domain: MSI IRQ domain
+ * @nr_eq_region: required number of 4K aligned memory region for MSI event
+ * queues
+ * @nr_msi_region: required number of 4K aligned address region for MSI posted
+ * writes
+ * @eq_cpu: pointer to allocated memory region for MSI event queues
+ * @eq_dma: DMA address of MSI event queues
+ * @msi_addr: MSI address
+ */
+struct iproc_msi {
+ struct iproc_pcie *pcie;
+ const u16 (*reg_offsets)[IPROC_MSI_REG_SIZE];
+ struct iproc_msi_grp *grps;
+ int nr_irqs;
+ int nr_cpus;
+ bool has_inten_reg;
+ unsigned long *bitmap;
+ struct mutex bitmap_lock;
+ unsigned int nr_msi_vecs;
+ struct irq_domain *inner_domain;
+ struct irq_domain *msi_domain;
+ unsigned int nr_eq_region;
+ unsigned int nr_msi_region;
+ void *eq_cpu;
+ dma_addr_t eq_dma;
+ phys_addr_t msi_addr;
+};
+
+static const u16 iproc_msi_reg_paxb[NR_HW_IRQS][IPROC_MSI_REG_SIZE] = {
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x210, 0x250, 0x254, 0x208 },
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x214, 0x258, 0x25c, 0x208 },
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x218, 0x260, 0x264, 0x208 },
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x21c, 0x268, 0x26c, 0x208 },
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x220, 0x270, 0x274, 0x208 },
+ { 0x200, 0x2c0, 0x204, 0x2c4, 0x224, 0x278, 0x27c, 0x208 },
+};
+
+static const u16 iproc_msi_reg_paxc[NR_HW_IRQS][IPROC_MSI_REG_SIZE] = {
+ { 0xc00, 0xc04, 0xc08, 0xc0c, 0xc40, 0xc50, 0xc60 },
+ { 0xc10, 0xc14, 0xc18, 0xc1c, 0xc44, 0xc54, 0xc64 },
+ { 0xc20, 0xc24, 0xc28, 0xc2c, 0xc48, 0xc58, 0xc68 },
+ { 0xc30, 0xc34, 0xc38, 0xc3c, 0xc4c, 0xc5c, 0xc6c },
+};
+
+static inline u32 iproc_msi_read_reg(struct iproc_msi *msi,
+ enum iproc_msi_reg reg,
+ unsigned int eq)
+{
+ struct iproc_pcie *pcie = msi->pcie;
+
+ return readl_relaxed(pcie->base + msi->reg_offsets[eq][reg]);
+}
+
+static inline void iproc_msi_write_reg(struct iproc_msi *msi,
+ enum iproc_msi_reg reg,
+ int eq, u32 val)
+{
+ struct iproc_pcie *pcie = msi->pcie;
+
+ writel_relaxed(val, pcie->base + msi->reg_offsets[eq][reg]);
+}
+
+static inline u32 hwirq_to_group(struct iproc_msi *msi, unsigned long hwirq)
+{
+ return (hwirq % msi->nr_irqs);
+}
+
+static inline unsigned int iproc_msi_addr_offset(struct iproc_msi *msi,
+ unsigned long hwirq)
+{
+ if (msi->nr_msi_region > 1)
+ return hwirq_to_group(msi, hwirq) * MSI_MEM_REGION_SIZE;
+ else
+ return hwirq_to_group(msi, hwirq) * sizeof(u32);
+}
+
+static inline unsigned int iproc_msi_eq_offset(struct iproc_msi *msi, u32 eq)
+{
+ if (msi->nr_eq_region > 1)
+ return eq * EQ_MEM_REGION_SIZE;
+ else
+ return eq * EQ_LEN * sizeof(u32);
+}
+
+static struct irq_chip iproc_msi_irq_chip = {
+ .name = "iProc-MSI",
+};
+
+static struct msi_domain_info iproc_msi_domain_info = {
+ .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+ MSI_FLAG_PCI_MSIX,
+ .chip = &iproc_msi_irq_chip,
+};
+
+/*
+ * In iProc PCIe core, each MSI group is serviced by a GIC interrupt and a
+ * dedicated event queue. Each MSI group can support up to 64 MSI vectors
+ *
+ * The number of MSI groups varies between different iProc SoCs. The total
+ * number of CPU cores also varies. To support MSI IRQ affinity, we
+ * distribute GIC interrupts across all available CPUs. MSI vector is moved
+ * from one GIC interrupt to another to steer to the target CPU
+ *
+ * Assuming:
+ * - the number of MSI groups is M
+ * - the number of CPU cores is N
+ * - M is always a multiple of N
+ *
+ * Total number of raw MSI vectors = M * 64
+ * Total number of supported MSI vectors = (M * 64) / N
+ */
+static inline int hwirq_to_cpu(struct iproc_msi *msi, unsigned long hwirq)
+{
+ return (hwirq % msi->nr_cpus);
+}
+
+static inline unsigned long hwirq_to_canonical_hwirq(struct iproc_msi *msi,
+ unsigned long hwirq)
+{
+ return (hwirq - hwirq_to_cpu(msi, hwirq));
+}
+
+static int iproc_msi_irq_set_affinity(struct irq_data *data,
+ const struct cpumask *mask, bool force)
+{
+ struct iproc_msi *msi = irq_data_get_irq_chip_data(data);
+ int target_cpu = cpumask_first(mask);
+ int curr_cpu;
+
+ curr_cpu = hwirq_to_cpu(msi, data->hwirq);
+ if (curr_cpu == target_cpu)
+ return IRQ_SET_MASK_OK_DONE;
+
+ /* steer MSI to the target CPU */
+ data->hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq) + target_cpu;
+
+ return IRQ_SET_MASK_OK;
+}
+
+static void iproc_msi_irq_compose_msi_msg(struct irq_data *data,
+ struct msi_msg *msg)
+{
+ struct iproc_msi *msi = irq_data_get_irq_chip_data(data);
+ dma_addr_t addr;
+
+ addr = msi->msi_addr + iproc_msi_addr_offset(msi, data->hwirq);
+ msg->address_lo = lower_32_bits(addr);
+ msg->address_hi = upper_32_bits(addr);
+ msg->data = data->hwirq;
+}
+
+static struct irq_chip iproc_msi_bottom_irq_chip = {
+ .name = "MSI",
+ .irq_set_affinity = iproc_msi_irq_set_affinity,
+ .irq_compose_msi_msg = iproc_msi_irq_compose_msi_msg,
+};
+
+static int iproc_msi_irq_domain_alloc(struct irq_domain *domain,
+ unsigned int virq, unsigned int nr_irqs,
+ void *args)
+{
+ struct iproc_msi *msi = domain->host_data;
+ int hwirq;
+
+ mutex_lock(&msi->bitmap_lock);
+
+ /* allocate 'nr_cpus' number of MSI vectors each time */
+ hwirq = bitmap_find_next_zero_area(msi->bitmap, msi->nr_msi_vecs, 0,
+ msi->nr_cpus, 0);
+ if (hwirq < msi->nr_msi_vecs) {
+ bitmap_set(msi->bitmap, hwirq, msi->nr_cpus);
+ } else {
+ mutex_unlock(&msi->bitmap_lock);
+ return -ENOSPC;
+ }
+
+ mutex_unlock(&msi->bitmap_lock);
+
+ irq_domain_set_info(domain, virq, hwirq, &iproc_msi_bottom_irq_chip,
+ domain->host_data, handle_simple_irq, NULL, NULL);
+
+ return 0;
+}
+
+static void iproc_msi_irq_domain_free(struct irq_domain *domain,
+ unsigned int virq, unsigned int nr_irqs)
+{
+ struct irq_data *data = irq_domain_get_irq_data(domain, virq);
+ struct iproc_msi *msi = irq_data_get_irq_chip_data(data);
+ unsigned int hwirq;
+
+ mutex_lock(&msi->bitmap_lock);
+
+ hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq);
+ bitmap_clear(msi->bitmap, hwirq, msi->nr_cpus);
+
+ mutex_unlock(&msi->bitmap_lock);
+
+ irq_domain_free_irqs_parent(domain, virq, nr_irqs);
+}
+
+static const struct irq_domain_ops msi_domain_ops = {
+ .alloc = iproc_msi_irq_domain_alloc,
+ .free = iproc_msi_irq_domain_free,
+};
+
+static inline u32 decode_msi_hwirq(struct iproc_msi *msi, u32 eq, u32 head)
+{
+ u32 *msg, hwirq;
+ unsigned int offs;
+
+ offs = iproc_msi_eq_offset(msi, eq) + head * sizeof(u32);
+ msg = (u32 *)(msi->eq_cpu + offs);
+ hwirq = *msg & IPROC_MSI_EQ_MASK;
+
+ /*
+ * Since we have multiple hwirq mapped to a single MSI vector,
+ * now we need to derive the hwirq at CPU0. It can then be used to
+ * mapped back to virq
+ */
+ return hwirq_to_canonical_hwirq(msi, hwirq);
+}
+
+static void iproc_msi_handler(struct irq_desc *desc)
+{
+ struct irq_chip *chip = irq_desc_get_chip(desc);
+ struct iproc_msi_grp *grp;
+ struct iproc_msi *msi;
+ struct iproc_pcie *pcie;
+ u32 eq, head, tail, nr_events;
+ unsigned long hwirq;
+ int virq;
+
+ chained_irq_enter(chip, desc);
+
+ grp = irq_desc_get_handler_data(desc);
+ msi = grp->msi;
+ pcie = msi->pcie;
+ eq = grp->eq;
+
+ /*
+ * iProc MSI event queue is tracked by head and tail pointers. Head
+ * pointer indicates the next entry (MSI data) to be consumed by SW in
+ * the queue and needs to be updated by SW. iProc MSI core uses the
+ * tail pointer as the next data insertion point
+ *
+ * Entries between head and tail pointers contain valid MSI data. MSI
+ * data is guaranteed to be in the event queue memory before the tail
+ * pointer is updated by the iProc MSI core
+ */
+ head = iproc_msi_read_reg(msi, IPROC_MSI_EQ_HEAD,
+ eq) & IPROC_MSI_EQ_MASK;
+ do {
+ tail = iproc_msi_read_reg(msi, IPROC_MSI_EQ_TAIL,
+ eq) & IPROC_MSI_EQ_MASK;
+
+ /*
+ * Figure out total number of events (MSI data) to be
+ * processed
+ */
+ nr_events = (tail < head) ?
+ (EQ_LEN - (head - tail)) : (tail - head);
+ if (!nr_events)
+ break;
+
+ /* process all outstanding events */
+ while (nr_events--) {
+ hwirq = decode_msi_hwirq(msi, eq, head);
+ virq = irq_find_mapping(msi->inner_domain, hwirq);
+ generic_handle_irq(virq);
+
+ head++;
+ head %= EQ_LEN;
+ }
+
+ /*
+ * Now all outstanding events have been processed. Update the
+ * head pointer
+ */
+ iproc_msi_write_reg(msi, IPROC_MSI_EQ_HEAD, eq, head);
+
+ /*
+ * Now go read the tail pointer again to see if there are new
+ * oustanding events that came in during the above window
+ */
+ } while (true);
+
+ chained_irq_exit(chip, desc);
+}
+
+static void iproc_msi_enable(struct iproc_msi *msi)
+{
+ int i, eq;
+ u32 val;
+
+ /* program memory region for each event queue */
+ for (i = 0; i < msi->nr_eq_region; i++) {
+ dma_addr_t addr = msi->eq_dma + (i * EQ_MEM_REGION_SIZE);
+
+ iproc_msi_write_reg(msi, IPROC_MSI_EQ_PAGE, i,
+ lower_32_bits(addr));
+ iproc_msi_write_reg(msi, IPROC_MSI_EQ_PAGE_UPPER, i,
+ upper_32_bits(addr));
+ }
+
+ /* program address region for MSI posted writes */
+ for (i = 0; i < msi->nr_msi_region; i++) {
+ phys_addr_t addr = msi->msi_addr + (i * MSI_MEM_REGION_SIZE);
+
+ iproc_msi_write_reg(msi, IPROC_MSI_PAGE, i,
+ lower_32_bits(addr));
+ iproc_msi_write_reg(msi, IPROC_MSI_PAGE_UPPER, i,
+ upper_32_bits(addr));
+ }
+
+ for (eq = 0; eq < msi->nr_irqs; eq++) {
+ /* enable MSI event queue */
+ val = IPROC_MSI_INTR_EN | IPROC_MSI_INT_N_EVENT |
+ IPROC_MSI_EQ_EN;
+ iproc_msi_write_reg(msi, IPROC_MSI_CTRL, eq, val);
+
+ /*
+ * Some legacy platforms require the MSI interrupt enable
+ * register to be set explicitly
+ */
+ if (msi->has_inten_reg) {
+ val = iproc_msi_read_reg(msi, IPROC_MSI_INTS_EN, eq);
+ val |= BIT(eq);
+ iproc_msi_write_reg(msi, IPROC_MSI_INTS_EN, eq, val);
+ }
+ }
+}
+
+static void iproc_msi_disable(struct iproc_msi *msi)
+{
+ u32 eq, val;
+
+ for (eq = 0; eq < msi->nr_irqs; eq++) {
+ if (msi->has_inten_reg) {
+ val = iproc_msi_read_reg(msi, IPROC_MSI_INTS_EN, eq);
+ val &= ~BIT(eq);
+ iproc_msi_write_reg(msi, IPROC_MSI_INTS_EN, eq, val);
+ }
+
+ val = iproc_msi_read_reg(msi, IPROC_MSI_CTRL, eq);
+ val &= ~(IPROC_MSI_INTR_EN | IPROC_MSI_INT_N_EVENT |
+ IPROC_MSI_EQ_EN);
+ iproc_msi_write_reg(msi, IPROC_MSI_CTRL, eq, val);
+ }
+}
+
+static int iproc_msi_alloc_domains(struct device_node *node,
+ struct iproc_msi *msi)
+{
+ msi->inner_domain = irq_domain_add_linear(NULL, msi->nr_msi_vecs,
+ &msi_domain_ops, msi);
+ if (!msi->inner_domain)
+ return -ENOMEM;
+
+ msi->msi_domain = pci_msi_create_irq_domain(of_node_to_fwnode(node),
+ &iproc_msi_domain_info,
+ msi->inner_domain);
+ if (!msi->msi_domain) {
+ irq_domain_remove(msi->inner_domain);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void iproc_msi_free_domains(struct iproc_msi *msi)
+{
+ if (msi->msi_domain)
+ irq_domain_remove(msi->msi_domain);
+
+ if (msi->inner_domain)
+ irq_domain_remove(msi->inner_domain);
+}
+
+static void iproc_msi_irq_free(struct iproc_msi *msi, unsigned int cpu)
+{
+ int i;
+
+ for (i = cpu; i < msi->nr_irqs; i += msi->nr_cpus) {
+ irq_set_chained_handler_and_data(msi->grps[i].gic_irq,
+ NULL, NULL);
+ }
+}
+
+static int iproc_msi_irq_setup(struct iproc_msi *msi, unsigned int cpu)
+{
+ int i, ret;
+ cpumask_var_t mask;
+ struct iproc_pcie *pcie = msi->pcie;
+
+ for (i = cpu; i < msi->nr_irqs; i += msi->nr_cpus) {
+ irq_set_chained_handler_and_data(msi->grps[i].gic_irq,
+ iproc_msi_handler,
+ &msi->grps[i]);
+ /* dedicate GIC interrupt to each CPU core */
+ if (alloc_cpumask_var(&mask, GFP_KERNEL)) {
+ cpumask_clear(mask);
+ cpumask_set_cpu(cpu, mask);
+ ret = irq_set_affinity(msi->grps[i].gic_irq, mask);
+ if (ret)
+ dev_err(pcie->dev,
+ "failed to set affinity for IRQ%d\n",
+ msi->grps[i].gic_irq);
+ free_cpumask_var(mask);
+ } else {
+ dev_err(pcie->dev, "failed to alloc CPU mask\n");
+ ret = -EINVAL;
+ }
+
+ if (ret) {
+ /* free all configured/unconfigured irqs */
+ iproc_msi_irq_free(msi, cpu);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int iproc_msi_init(struct iproc_pcie *pcie, struct device_node *node)
+{
+ struct iproc_msi *msi;
+ int i, ret;
+ unsigned int cpu;
+
+ if (!of_device_is_compatible(node, "brcm,iproc-msi"))
+ return -ENODEV;
+
+ if (!of_find_property(node, "msi-controller", NULL))
+ return -ENODEV;
+
+ if (pcie->msi)
+ return -EBUSY;
+
+ msi = devm_kzalloc(pcie->dev, sizeof(*msi), GFP_KERNEL);
+ if (!msi)
+ return -ENOMEM;
+
+ msi->pcie = pcie;
+ pcie->msi = msi;
+ msi->msi_addr = pcie->base_addr;
+ mutex_init(&msi->bitmap_lock);
+ msi->nr_cpus = num_possible_cpus();
+
+ msi->nr_irqs = of_irq_count(node);
+ if (!msi->nr_irqs) {
+ dev_err(pcie->dev, "found no MSI GIC interrupt\n");
+ return -ENODEV;
+ }
+
+ if (msi->nr_irqs > NR_HW_IRQS) {
+ dev_warn(pcie->dev, "too many MSI GIC interrupts defined %d\n",
+ msi->nr_irqs);
+ msi->nr_irqs = NR_HW_IRQS;
+ }
+
+ if (msi->nr_irqs < msi->nr_cpus) {
+ dev_err(pcie->dev,
+ "not enough GIC interrupts for MSI affinity\n");
+ return -EINVAL;
+ }
+
+ if (msi->nr_irqs % msi->nr_cpus != 0) {
+ msi->nr_irqs -= msi->nr_irqs % msi->nr_cpus;
+ dev_warn(pcie->dev, "Reducing number of interrupts to %d\n",
+ msi->nr_irqs);
+ }
+
+ switch (pcie->type) {
+ case IPROC_PCIE_PAXB:
+ msi->reg_offsets = iproc_msi_reg_paxb;
+ msi->nr_eq_region = 1;
+ msi->nr_msi_region = 1;
+ break;
+ case IPROC_PCIE_PAXC:
+ msi->reg_offsets = iproc_msi_reg_paxc;
+ msi->nr_eq_region = msi->nr_irqs;
+ msi->nr_msi_region = msi->nr_irqs;
+ break;
+ default:
+ dev_err(pcie->dev, "incompatible iProc PCIe interface\n");
+ return -EINVAL;
+ }
+
+ if (of_find_property(node, "brcm,pcie-msi-inten", NULL))
+ msi->has_inten_reg = true;
+
+ msi->nr_msi_vecs = msi->nr_irqs * EQ_LEN;
+ msi->bitmap = devm_kcalloc(pcie->dev, BITS_TO_LONGS(msi->nr_msi_vecs),
+ sizeof(*msi->bitmap), GFP_KERNEL);
+ if (!msi->bitmap)
+ return -ENOMEM;
+
+ msi->grps = devm_kcalloc(pcie->dev, msi->nr_irqs, sizeof(*msi->grps),
+ GFP_KERNEL);
+ if (!msi->grps)
+ return -ENOMEM;
+
+ for (i = 0; i < msi->nr_irqs; i++) {
+ unsigned int irq = irq_of_parse_and_map(node, i);
+
+ if (!irq) {
+ dev_err(pcie->dev, "unable to parse/map interrupt\n");
+ ret = -ENODEV;
+ goto free_irqs;
+ }
+ msi->grps[i].gic_irq = irq;
+ msi->grps[i].msi = msi;
+ msi->grps[i].eq = i;
+ }
+
+ /* reserve memory for event queue and make sure memories are zeroed */
+ msi->eq_cpu = dma_zalloc_coherent(pcie->dev,
+ msi->nr_eq_region * EQ_MEM_REGION_SIZE,
+ &msi->eq_dma, GFP_KERNEL);
+ if (!msi->eq_cpu) {
+ ret = -ENOMEM;
+ goto free_irqs;
+ }
+
+ ret = iproc_msi_alloc_domains(node, msi);
+ if (ret) {
+ dev_err(pcie->dev, "failed to create MSI domains\n");
+ goto free_eq_dma;
+ }
+
+ for_each_online_cpu(cpu) {
+ ret = iproc_msi_irq_setup(msi, cpu);
+ if (ret)
+ goto free_msi_irq;
+ }
+
+ iproc_msi_enable(msi);
+
+ return 0;
+
+free_msi_irq:
+ for_each_online_cpu(cpu)
+ iproc_msi_irq_free(msi, cpu);
+ iproc_msi_free_domains(msi);
+
+free_eq_dma:
+ dma_free_coherent(pcie->dev, msi->nr_eq_region * EQ_MEM_REGION_SIZE,
+ msi->eq_cpu, msi->eq_dma);
+
+free_irqs:
+ for (i = 0; i < msi->nr_irqs; i++) {
+ if (msi->grps[i].gic_irq)
+ irq_dispose_mapping(msi->grps[i].gic_irq);
+ }
+ pcie->msi = NULL;
+ return ret;
+}
+EXPORT_SYMBOL(iproc_msi_init);
+
+void iproc_msi_exit(struct iproc_pcie *pcie)
+{
+ struct iproc_msi *msi = pcie->msi;
+ unsigned int i, cpu;
+
+ if (!msi)
+ return;
+
+ iproc_msi_disable(msi);
+
+ for_each_online_cpu(cpu)
+ iproc_msi_irq_free(msi, cpu);
+
+ iproc_msi_free_domains(msi);
+
+ dma_free_coherent(pcie->dev, msi->nr_eq_region * EQ_MEM_REGION_SIZE,
+ msi->eq_cpu, msi->eq_dma);
+
+ for (i = 0; i < msi->nr_irqs; i++) {
+ if (msi->grps[i].gic_irq)
+ irq_dispose_mapping(msi->grps[i].gic_irq);
+ }
+}
+EXPORT_SYMBOL(iproc_msi_exit);
--- a/drivers/pci/host/pcie-iproc-platform.c
+++ b/drivers/pci/host/pcie-iproc-platform.c
@@ -71,6 +71,7 @@ static int iproc_pcie_pltfm_probe(struct
dev_err(pcie->dev, "unable to map controller registers\n");
return -ENOMEM;
}
+ pcie->base_addr = reg.start;
if (of_property_read_bool(np, "brcm,pcie-ob")) {
u32 val;
--- a/drivers/pci/host/pcie-iproc.c
+++ b/drivers/pci/host/pcie-iproc.c
@@ -440,6 +440,26 @@ static int iproc_pcie_map_ranges(struct
return 0;
}
+static int iproc_pcie_msi_enable(struct iproc_pcie *pcie)
+{
+ struct device_node *msi_node;
+
+ msi_node = of_parse_phandle(pcie->dev->of_node, "msi-parent", 0);
+ if (!msi_node)
+ return -ENODEV;
+
+ /*
+ * If another MSI controller is being used, the call below should fail
+ * but that is okay
+ */
+ return iproc_msi_init(pcie, msi_node);
+}
+
+static void iproc_pcie_msi_disable(struct iproc_pcie *pcie)
+{
+ iproc_msi_exit(pcie);
+}
+
int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
{
int ret;
@@ -507,6 +527,10 @@ int iproc_pcie_setup(struct iproc_pcie *
iproc_pcie_enable(pcie);
+ if (IS_ENABLED(CONFIG_PCI_MSI))
+ if (iproc_pcie_msi_enable(pcie))
+ dev_info(pcie->dev, "not using iProc MSI\n");
+
pci_scan_child_bus(bus);
pci_assign_unassigned_bus_resources(bus);
pci_fixup_irqs(pci_common_swizzle, pcie->map_irq);
@@ -531,6 +555,8 @@ int iproc_pcie_remove(struct iproc_pcie
pci_stop_root_bus(pcie->root_bus);
pci_remove_root_bus(pcie->root_bus);
+ iproc_pcie_msi_disable(pcie);
+
phy_power_off(pcie->phy);
phy_exit(pcie->phy);
--- a/drivers/pci/host/pcie-iproc.h
+++ b/drivers/pci/host/pcie-iproc.h
@@ -41,6 +41,8 @@ struct iproc_pcie_ob {
resource_size_t window_size;
};
+struct iproc_msi;
+
/**
* iProc PCIe device
*
@@ -48,19 +50,21 @@ struct iproc_pcie_ob {
* @type: iProc PCIe interface type
* @reg_offsets: register offsets
* @base: PCIe host controller I/O register base
+ * @base_addr: PCIe host controller register base physical address
* @sysdata: Per PCI controller data (ARM-specific)
* @root_bus: pointer to root bus
* @phy: optional PHY device that controls the Serdes
- * @irqs: interrupt IDs
* @map_irq: function callback to map interrupts
- * @need_ob_cfg: indidates SW needs to configure the outbound mapping window
+ * @need_ob_cfg: indicates SW needs to configure the outbound mapping window
* @ob: outbound mapping parameters
+ * @msi: MSI data
*/
struct iproc_pcie {
struct device *dev;
enum iproc_pcie_type type;
const u16 *reg_offsets;
void __iomem *base;
+ phys_addr_t base_addr;
#ifdef CONFIG_ARM
struct pci_sys_data sysdata;
#endif
@@ -69,9 +73,24 @@ struct iproc_pcie {
int (*map_irq)(const struct pci_dev *, u8, u8);
bool need_ob_cfg;
struct iproc_pcie_ob ob;
+ struct iproc_msi *msi;
};
int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res);
int iproc_pcie_remove(struct iproc_pcie *pcie);
+#ifdef CONFIG_PCI_MSI
+int iproc_msi_init(struct iproc_pcie *pcie, struct device_node *node);
+void iproc_msi_exit(struct iproc_pcie *pcie);
+#else
+static inline int iproc_msi_init(struct iproc_pcie *pcie,
+ struct device_node *node)
+{
+ return -ENODEV;
+}
+static void iproc_msi_exit(struct iproc_pcie *pcie)
+{
+}
+#endif
+
#endif /* _PCIE_IPROC_H */

52
target/linux/bcm53xx/patches-4.4/170-ARM-BCM5301X-Add-missing-Netgear-R8000-LEDs.patch Normal file
View file

@ -0,0 +1,52 @@
From b58682598541262f967ecd6db04bacac38026d3c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Fri, 30 Oct 2015 15:29:52 +0100
Subject: [PATCH] ARM: BCM5301X: Add missing Netgear R8000 LEDs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
arch/arm/boot/dts/bcm4709-netgear-r8000.dts | 30 +++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -50,6 +50,36 @@
gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
linux,default-trigger = "default-off";
};
+
+ wireless {
+ label = "bcm53xx:white:wireless";
+ gpios = <&chipcommon 14 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ wps {
+ label = "bcm53xx:white:wps";
+ gpios = <&chipcommon 15 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "default-off";
+ };
+
+ 5ghz-2 {
+ label = "bcm53xx:white:5ghz-2";
+ gpios = <&chipcommon 16 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ usb3 {
+ label = "bcm53xx:white:usb3";
+ gpios = <&chipcommon 17 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
+
+ usb2 {
+ label = "bcm53xx:white:usb2";
+ gpios = <&chipcommon 18 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-off";
+ };
};
gpio-keys {

73
target/linux/bcm53xx/patches-4.4/186-USB-bcma-switch-to-GPIO-descriptor-for-power-control.patch Normal file
View file

@ -0,0 +1,73 @@
From 0cb136f9882e4649ad6160bb7b48955ff728888c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Sun, 1 Nov 2015 08:17:21 +0100
Subject: [PATCH V2] USB: bcma: switch to GPIO descriptor for power control
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
So far we were using simple (legacy) GPIO functions & some poor logic to
control power. It got many drawbacks: we were ignoring OF flags
(GPIO_ACTIVE_LOW), we were not setting direction to output and we were
assuming gpio_request success all the time.
Fix it by switching to gpiod functions and adding appropriate checks.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/usb/host/bcma-hcd.c | 21 ++++++++++-----------
1 file changed, 10 insertions(+), 11 deletions(-)
--- a/drivers/usb/host/bcma-hcd.c
+++ b/drivers/usb/host/bcma-hcd.c
@@ -21,6 +21,7 @@
*/
#include <linux/bcma/bcma.h>
#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -36,6 +37,7 @@ MODULE_LICENSE("GPL");
struct bcma_hcd_device {
struct platform_device *ehci_dev;
struct platform_device *ohci_dev;
+ struct gpio_desc *gpio_desc;
};
/* Wait for bitmask in a register to get set or cleared.
@@ -228,19 +230,12 @@ static void bcma_hcd_init_chip_arm(struc
static void bcma_hci_platform_power_gpio(struct bcma_device *dev, bool val)
{
- int gpio;
+ struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev);
- gpio = of_get_named_gpio(dev->dev.of_node, "vcc-gpio", 0);
- if (!gpio_is_valid(gpio))
+ if (IS_ERR_OR_NULL(usb_dev->gpio_desc))
return;
- if (val) {
- gpio_request(gpio, "bcma-hcd-gpio");
- gpio_set_value(gpio, 1);
- } else {
- gpio_set_value(gpio, 0);
- gpio_free(gpio);
- }
+ gpiod_set_value(usb_dev->gpio_desc, val);
}
static const struct usb_ehci_pdata ehci_pdata = {
@@ -314,7 +309,11 @@ static int bcma_hcd_probe(struct bcma_de
if (!usb_dev)
return -ENOMEM;
- bcma_hci_platform_power_gpio(dev, true);
+ if (dev->dev.of_node)
+ usb_dev->gpio_desc = devm_get_gpiod_from_child(&dev->dev, "vcc",
+ &dev->dev.of_node->fwnode);
+ if (!IS_ERR_OR_NULL(usb_dev->gpio_desc))
+ gpiod_direction_output(usb_dev->gpio_desc, 1);
switch (dev->id.id) {
case BCMA_CORE_NS_USB20:

63
target/linux/bcm53xx/patches-4.4/190-usb-xhci-plat-fix-adding-usb3-lpm-capable-quirk.patch Normal file
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@ -0,0 +1,63 @@
From 1420e53fc88673683f8990aa5342e7b2640ce165 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 18 Oct 2015 19:13:27 +0200
Subject: [PATCH v3 1/6] usb: xhci: plat: fix adding usb3-lpm-capable quirk
The xhci->quirks member is overwritten in xhci_gen_setup() with the
quirks given through the module load parameter. Without this patch the
usb3-lpm-capable quirk will be over written before it gets used. This
patch moves the quirks code to the xhci_plat_quirks() callback function
which gets called directly after the quirks member variable is
overwritten with the module load parameter.
I do not have any hardware which is using usb3-lpm-capabls so I can not
test this on real hardware.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/usb/host/xhci-plat.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -38,12 +38,20 @@ static const struct xhci_driver_override
static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)
{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct device_node *node = pdev->dev.of_node;
+ struct usb_xhci_pdata *pdata = dev_get_platdata(&pdev->dev);
+
/*
* As of now platform drivers don't provide MSI support so we ensure
* here that the generic code does not try to make a pci_dev from our
* dev struct in order to setup MSI
*/
xhci->quirks |= XHCI_PLAT;
+
+ if ((node && of_property_read_bool(node, "usb3-lpm-capable")) ||
+ (pdata && pdata->usb3_lpm_capable))
+ xhci->quirks |= XHCI_LPM_SUPPORT;
}
/* called during probe() after chip reset completes */
@@ -75,8 +83,6 @@ static int xhci_plat_start(struct usb_hc
static int xhci_plat_probe(struct platform_device *pdev)
{
- struct device_node *node = pdev->dev.of_node;
- struct usb_xhci_pdata *pdata = dev_get_platdata(&pdev->dev);
const struct hc_driver *driver;
struct xhci_hcd *xhci;
struct resource *res;
@@ -155,10 +161,6 @@ static int xhci_plat_probe(struct platfo
goto disable_clk;
}
- if ((node && of_property_read_bool(node, "usb3-lpm-capable")) ||
- (pdata && pdata->usb3_lpm_capable))
- xhci->quirks |= XHCI_LPM_SUPPORT;
-
if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
xhci->shared_hcd->can_do_streams = 1;

135
target/linux/bcm53xx/patches-4.4/191-usb-xhci-add-Broadcom-specific-fake-doorbell.patch Normal file
View file

@ -0,0 +1,135 @@
From dd0e5f9a6a4aed849bdb80641c2a2350476cede7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Sun, 21 Jun 2015 11:10:49 +0200
Subject: [PATCH v3 2/6] usb: xhci: add Broadcom specific fake doorbell
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This fixes problem with controller seeing devices only in some small
percentage of cold boots.
This quirk is also added to the platform data so we can activate it
when we register our platform driver.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/usb/host/xhci-plat.c | 3 +++
drivers/usb/host/xhci.c | 57 +++++++++++++++++++++++++++++++++++++---
drivers/usb/host/xhci.h | 1 +
include/linux/usb/xhci_pdriver.h | 1 +
4 files changed, 59 insertions(+), 3 deletions(-)
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -52,6 +52,9 @@ static void xhci_plat_quirks(struct devi
if ((node && of_property_read_bool(node, "usb3-lpm-capable")) ||
(pdata && pdata->usb3_lpm_capable))
xhci->quirks |= XHCI_LPM_SUPPORT;
+
+ if (pdata && pdata->usb3_fake_doorbell)
+ xhci->quirks |= XHCI_FAKE_DOORBELL;
}
/* called during probe() after chip reset completes */
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -121,6 +121,39 @@ int xhci_halt(struct xhci_hcd *xhci)
return ret;
}
+static int xhci_fake_doorbell(struct xhci_hcd *xhci, int slot_id)
+{
+ u32 temp;
+
+ /* alloc a virt device for slot */
+ if (!xhci_alloc_virt_device(xhci, slot_id, NULL, GFP_NOIO)) {
+ xhci_warn(xhci, "Could not allocate xHCI USB device data structures\n");
+ return -ENOMEM;
+ }
+
+ /* ring fake doorbell for slot_id ep 0 */
+ xhci_ring_ep_doorbell(xhci, slot_id, 0, 0);
+ usleep_range(1000, 1500);
+
+ /* read the status register to check if HSE is set or not? */
+ temp = readl(&xhci->op_regs->status);
+
+ /* clear HSE if set */
+ if (temp & STS_FATAL) {
+ xhci_dbg(xhci, "HSE problem detected, status: 0x%x\n", temp);
+ temp &= ~(0x1fff);
+ temp |= STS_FATAL;
+ writel(temp, &xhci->op_regs->status);
+ usleep_range(1000, 1500);
+ readl(&xhci->op_regs->status);
+ }
+
+ /* Free virt device */
+ xhci_free_virt_device(xhci, slot_id);
+
+ return 0;
+}
+
/*
* Set the run bit and wait for the host to be running.
*/
@@ -567,10 +600,25 @@ int xhci_init(struct usb_hcd *hcd)
static int xhci_run_finished(struct xhci_hcd *xhci)
{
- if (xhci_start(xhci)) {
- xhci_halt(xhci);
- return -ENODEV;
+ int err;
+
+ err = xhci_start(xhci);
+ if (err) {
+ err = -ENODEV;
+ goto out_err;
+ }
+ if (xhci->quirks & XHCI_FAKE_DOORBELL) {
+ err = xhci_fake_doorbell(xhci, 1);
+ if (err)
+ goto out_err;
+
+ err = xhci_start(xhci);
+ if (err) {
+ err = -ENODEV;
+ goto out_err;
+ }
}
+
xhci->shared_hcd->state = HC_STATE_RUNNING;
xhci->cmd_ring_state = CMD_RING_STATE_RUNNING;
@@ -580,6 +628,9 @@ static int xhci_run_finished(struct xhci
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
"Finished xhci_run for USB3 roothub");
return 0;
+out_err:
+ xhci_halt(xhci);
+ return err;
}
/*
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1630,6 +1630,7 @@ struct xhci_hcd {
/* For controllers with a broken beyond repair streams implementation */
#define XHCI_BROKEN_STREAMS (1 << 19)
#define XHCI_PME_STUCK_QUIRK (1 << 20)
+#define XHCI_FAKE_DOORBELL (1 << 21)
unsigned int num_active_eps;
unsigned int limit_active_eps;
/* There are two roothubs to keep track of bus suspend info for */
--- a/include/linux/usb/xhci_pdriver.h
+++ b/include/linux/usb/xhci_pdriver.h
@@ -22,6 +22,7 @@
*/
struct usb_xhci_pdata {
unsigned usb3_lpm_capable:1;
+ unsigned usb3_fake_doorbell:1;
};
#endif /* __USB_CORE_XHCI_PDRIVER_H */

75
target/linux/bcm53xx/patches-4.4/195-USB-bcma-make-helper-creating-platform-dev-more-gene.patch Normal file
View file

@ -0,0 +1,75 @@
From c7c7bf7fcbacadac7781783de25fe1e13e2a2c35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 16 Jun 2015 12:33:46 +0200
Subject: [PATCH v3 3/6] usb: bcma: make helper creating platform dev more
generic
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Having "bool ohci" argument bounded us to two cases only and didn't
allow re-using this code for XHCI.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/usb/host/bcma-hcd.c | 24 +++++++++++++-----------
1 file changed, 13 insertions(+), 11 deletions(-)
--- a/drivers/usb/host/bcma-hcd.c
+++ b/drivers/usb/host/bcma-hcd.c
@@ -244,7 +244,10 @@ static const struct usb_ehci_pdata ehci_
static const struct usb_ohci_pdata ohci_pdata = {
};
-static struct platform_device *bcma_hcd_create_pdev(struct bcma_device *dev, bool ohci, u32 addr)
+static struct platform_device *bcma_hcd_create_pdev(struct bcma_device *dev,
+ const char *name, u32 addr,
+ const void *data,
+ size_t size)
{
struct platform_device *hci_dev;
struct resource hci_res[2];
@@ -259,8 +262,7 @@ static struct platform_device *bcma_hcd_
hci_res[1].start = dev->irq;
hci_res[1].flags = IORESOURCE_IRQ;
- hci_dev = platform_device_alloc(ohci ? "ohci-platform" :
- "ehci-platform" , 0);
+ hci_dev = platform_device_alloc(name, 0);
if (!hci_dev)
return ERR_PTR(-ENOMEM);
@@ -271,12 +273,8 @@ static struct platform_device *bcma_hcd_
ARRAY_SIZE(hci_res));
if (ret)
goto err_alloc;
- if (ohci)
- ret = platform_device_add_data(hci_dev, &ohci_pdata,
- sizeof(ohci_pdata));
- else
- ret = platform_device_add_data(hci_dev, &ehci_pdata,
- sizeof(ehci_pdata));
+ if (data)
+ ret = platform_device_add_data(hci_dev, data, size);
if (ret)
goto err_alloc;
ret = platform_device_add(hci_dev);
@@ -333,11 +331,15 @@ static int bcma_hcd_probe(struct bcma_de
&& chipinfo->rev == 0)
ohci_addr = 0x18009000;
- usb_dev->ohci_dev = bcma_hcd_create_pdev(dev, true, ohci_addr);
+ usb_dev->ohci_dev = bcma_hcd_create_pdev(dev, "ohci-platform",
+ ohci_addr, &ohci_pdata,
+ sizeof(ohci_pdata));
if (IS_ERR(usb_dev->ohci_dev))
return PTR_ERR(usb_dev->ohci_dev);
- usb_dev->ehci_dev = bcma_hcd_create_pdev(dev, false, dev->addr);
+ usb_dev->ehci_dev = bcma_hcd_create_pdev(dev, "ehci-platform",
+ dev->addr, &ehci_pdata,
+ sizeof(ehci_pdata));
if (IS_ERR(usb_dev->ehci_dev)) {
err = PTR_ERR(usb_dev->ehci_dev);
goto err_unregister_ohci_dev;

112
target/linux/bcm53xx/patches-4.4/196-USB-bcma-use-separated-function-for-USB-2.0-initiali.patch Normal file
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@ -0,0 +1,112 @@
From fa5622c2fadae573dd6b0f5bffe436b230b411f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 16 Jun 2015 12:52:07 +0200
Subject: [PATCH v3 4/6] usb: bcma: use separated function for USB 2.0
initialization
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This will allow adding USB 3.0 (XHCI) support cleanly.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/usb/host/bcma-hcd.c | 51 +++++++++++++++++++++++++++++++--------------
1 file changed, 35 insertions(+), 16 deletions(-)
--- a/drivers/usb/host/bcma-hcd.c
+++ b/drivers/usb/host/bcma-hcd.c
@@ -35,6 +35,7 @@ MODULE_DESCRIPTION("Common USB driver fo
MODULE_LICENSE("GPL");
struct bcma_hcd_device {
+ struct bcma_device *core;
struct platform_device *ehci_dev;
struct platform_device *ohci_dev;
struct gpio_desc *gpio_desc;
@@ -288,31 +289,16 @@ err_alloc:
return ERR_PTR(ret);
}
-static int bcma_hcd_probe(struct bcma_device *dev)
+static int bcma_hcd_usb20_init(struct bcma_hcd_device *usb_dev)
{
- int err;
+ struct bcma_device *dev = usb_dev->core;
+ struct bcma_chipinfo *chipinfo = &dev->bus->chipinfo;
u32 ohci_addr;
- struct bcma_hcd_device *usb_dev;
- struct bcma_chipinfo *chipinfo;
-
- chipinfo = &dev->bus->chipinfo;
-
- /* TODO: Probably need checks here; is the core connected? */
+ int err;
if (dma_set_mask_and_coherent(dev->dma_dev, DMA_BIT_MASK(32)))
return -EOPNOTSUPP;
- usb_dev = devm_kzalloc(&dev->dev, sizeof(struct bcma_hcd_device),
- GFP_KERNEL);
- if (!usb_dev)
- return -ENOMEM;
-
- if (dev->dev.of_node)
- usb_dev->gpio_desc = devm_get_gpiod_from_child(&dev->dev, "vcc",
- &dev->dev.of_node->fwnode);
- if (!IS_ERR_OR_NULL(usb_dev->gpio_desc))
- gpiod_direction_output(usb_dev->gpio_desc, 1);
-
switch (dev->id.id) {
case BCMA_CORE_NS_USB20:
bcma_hcd_init_chip_arm(dev);
@@ -345,7 +331,6 @@ static int bcma_hcd_probe(struct bcma_de
goto err_unregister_ohci_dev;
}
- bcma_set_drvdata(dev, usb_dev);
return 0;
err_unregister_ohci_dev:
@@ -353,6 +338,40 @@ err_unregister_ohci_dev:
return err;
}
+static int bcma_hcd_probe(struct bcma_device *dev)
+{
+ int err;
+ struct bcma_hcd_device *usb_dev;
+
+ /* TODO: Probably need checks here; is the core connected? */
+
+ usb_dev = devm_kzalloc(&dev->dev, sizeof(struct bcma_hcd_device),
+ GFP_KERNEL);
+ if (!usb_dev)
+ return -ENOMEM;
+ usb_dev->core = dev;
+
+ if (dev->dev.of_node)
+ usb_dev->gpio_desc = devm_get_gpiod_from_child(&dev->dev, "vcc",
+ &dev->dev.of_node->fwnode);
+ if (!IS_ERR_OR_NULL(usb_dev->gpio_desc))
+ gpiod_direction_output(usb_dev->gpio_desc, 1);
+
+ switch (dev->id.id) {
+ case BCMA_CORE_USB20_HOST:
+ case BCMA_CORE_NS_USB20:
+ err = bcma_hcd_usb20_init(usb_dev);
+ if (err)
+ return err;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ bcma_set_drvdata(dev, usb_dev);
+ return 0;
+}
+
static void bcma_hcd_remove(struct bcma_device *dev)
{
struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev);

295
target/linux/bcm53xx/patches-4.4/197-USB-bcma-add-USB-3.0-support.patch Normal file
View file

@ -0,0 +1,295 @@
From 121ec6539abedbc0e975cf35f48ee044b323e4c3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 16 Jun 2015 17:14:26 +0200
Subject: [PATCH v3 5/6] usb: bcma: add USB 3.0 support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/usb/host/bcma-hcd.c | 225 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 225 insertions(+)
--- a/drivers/usb/host/bcma-hcd.c
+++ b/drivers/usb/host/bcma-hcd.c
@@ -29,6 +29,7 @@
#include <linux/of_gpio.h>
#include <linux/usb/ehci_pdriver.h>
#include <linux/usb/ohci_pdriver.h>
+#include <linux/usb/xhci_pdriver.h>
MODULE_AUTHOR("Hauke Mehrtens");
MODULE_DESCRIPTION("Common USB driver for BCMA Bus");
@@ -38,6 +39,7 @@ struct bcma_hcd_device {
struct bcma_device *core;
struct platform_device *ehci_dev;
struct platform_device *ohci_dev;
+ struct platform_device *xhci_dev;
struct gpio_desc *gpio_desc;
};
@@ -245,6 +247,10 @@ static const struct usb_ehci_pdata ehci_
static const struct usb_ohci_pdata ohci_pdata = {
};
+static const struct usb_xhci_pdata xhci_pdata = {
+ .usb3_fake_doorbell = 1
+};
+
static struct platform_device *bcma_hcd_create_pdev(struct bcma_device *dev,
const char *name, u32 addr,
const void *data,
@@ -338,6 +344,216 @@ err_unregister_ohci_dev:
return err;
}
+static bool bcma_wait_reg(struct bcma_bus *bus, void __iomem *addr, u32 mask,
+ u32 value, int timeout)
+{
+ unsigned long deadline = jiffies + timeout;
+ u32 val;
+
+ do {
+ val = readl(addr);
+ if ((val & mask) == value)
+ return true;
+ cpu_relax();
+ udelay(10);
+ } while (!time_after_eq(jiffies, deadline));
+
+ pr_err("Timeout waiting for register %p\n", addr);
+
+ return false;
+}
+
+static void bcma_hcd_usb30_phy_init(struct bcma_hcd_device *bcma_hcd)
+{
+ struct bcma_device *core = bcma_hcd->core;
+ struct bcma_bus *bus = core->bus;
+ struct bcma_chipinfo *chipinfo = &bus->chipinfo;
+ struct bcma_drv_cc_b *ccb = &bus->drv_cc_b;
+ struct bcma_device *arm_core;
+ void __iomem *dmu = NULL;
+ u32 cru_straps_ctrl;
+
+ if (chipinfo->id != BCMA_CHIP_ID_BCM4707 &&
+ chipinfo->id != BCMA_CHIP_ID_BCM53018)
+ return;
+
+ arm_core = bcma_find_core(bus, BCMA_CORE_ARMCA9);
+ if (!arm_core)
+ return;
+
+ dmu = ioremap_nocache(arm_core->addr_s[0], 0x1000);
+ if (!dmu)
+ goto out;
+
+ /* Check strapping of PCIE/USB3 SEL */
+ cru_straps_ctrl = ioread32(dmu + 0x2a0);
+ if ((cru_straps_ctrl & 0x10) == 0)
+ goto out;
+
+ /* Perform USB3 system soft reset */
+ bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET);
+
+ /* Enable MDIO. Setting MDCDIV as 26 */
+ iowrite32(0x0000009a, ccb->mii + 0x000);
+ udelay(2);
+
+ switch (chipinfo->id) {
+ case BCMA_CHIP_ID_BCM4707:
+ if (chipinfo->rev == 4) {
+ /* For NS-B0, USB3 PLL Block */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x587e8000, ccb->mii + 0x004);
+
+ /* Clear ana_pllSeqStart */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x58061000, ccb->mii + 0x004);
+
+ /* CMOS Divider ratio to 25 */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x582a6400, ccb->mii + 0x004);
+
+ /* Asserting PLL Reset */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x582ec000, ccb->mii + 0x004);
+
+ /* Deaaserting PLL Reset */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x582e8000, ccb->mii + 0x004);
+
+ /* Deasserting USB3 system reset */
+ bcma_awrite32(core, BCMA_RESET_CTL, 0);
+
+ /* Set ana_pllSeqStart */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x58069000, ccb->mii + 0x004);
+
+ /* RXPMD block */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x587e8020, ccb->mii + 0x004);
+
+ /* CDR int loop locking BW to 1 */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x58120049, ccb->mii + 0x004);
+
+ /* CDR int loop acquisition BW to 1 */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x580e0049, ccb->mii + 0x004);
+
+ /* CDR prop loop BW to 1 */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x580a005c, ccb->mii + 0x004);
+
+ /* Waiting MII Mgt interface idle */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ } else {
+ /* PLL30 block */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x587e8000, ccb->mii + 0x004);
+
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x582a6400, ccb->mii + 0x004);
+
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x587e80e0, ccb->mii + 0x004);
+
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x580a009c, ccb->mii + 0x004);
+
+ /* Enable SSC */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x587e8040, ccb->mii + 0x004);
+
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x580a21d3, ccb->mii + 0x004);
+
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x58061003, ccb->mii + 0x004);
+
+ /* Waiting MII Mgt interface idle */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+
+ /* Deasserting USB3 system reset */
+ bcma_awrite32(core, BCMA_RESET_CTL, 0);
+ }
+ break;
+ case BCMA_CHIP_ID_BCM53018:
+ /* USB3 PLL Block */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x587e8000, ccb->mii + 0x004);
+
+ /* Assert Ana_Pllseq start */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x58061000, ccb->mii + 0x004);
+
+ /* Assert CML Divider ratio to 26 */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x582a6400, ccb->mii + 0x004);
+
+ /* Asserting PLL Reset */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x582ec000, ccb->mii + 0x004);
+
+ /* Deaaserting PLL Reset */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x582e8000, ccb->mii + 0x004);
+
+ /* Waiting MII Mgt interface idle */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+
+ /* Deasserting USB3 system reset */
+ bcma_awrite32(core, BCMA_RESET_CTL, 0);
+
+ /* PLL frequency monitor enable */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x58069000, ccb->mii + 0x004);
+
+ /* PIPE Block */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x587e8060, ccb->mii + 0x004);
+
+ /* CMPMAX & CMPMINTH setting */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x580af30d, ccb->mii + 0x004);
+
+ /* DEGLITCH MIN & MAX setting */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x580e6302, ccb->mii + 0x004);
+
+ /* TXPMD block */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x587e8040, ccb->mii + 0x004);
+
+ /* Enabling SSC */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+ iowrite32(0x58061003, ccb->mii + 0x004);
+
+ /* Waiting MII Mgt interface idle */
+ bcma_wait_reg(bus, ccb->mii + 0x000, 0x0100, 0x0000, 1000);
+
+ break;
+ }
+out:
+ if (dmu)
+ iounmap(dmu);
+}
+
+static int bcma_hcd_usb30_init(struct bcma_hcd_device *bcma_hcd)
+{
+ struct bcma_device *core = bcma_hcd->core;
+
+ bcma_core_enable(core, 0);
+
+ bcma_hcd_usb30_phy_init(bcma_hcd);
+
+ bcma_hcd->xhci_dev = bcma_hcd_create_pdev(core, "xhci-hcd", core->addr,
+ &xhci_pdata,
+ sizeof(xhci_pdata));
+ if (IS_ERR(bcma_hcd->ohci_dev))
+ return PTR_ERR(bcma_hcd->ohci_dev);
+
+ return 0;
+}
+
static int bcma_hcd_probe(struct bcma_device *dev)
{
int err;
@@ -364,6 +580,11 @@ static int bcma_hcd_probe(struct bcma_de
if (err)
return err;
break;
+ case BCMA_CORE_NS_USB30:
+ err = bcma_hcd_usb30_init(usb_dev);
+ if (err)
+ return err;
+ break;
default:
return -ENODEV;
}
@@ -377,11 +598,14 @@ static void bcma_hcd_remove(struct bcma_
struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev);
struct platform_device *ohci_dev = usb_dev->ohci_dev;
struct platform_device *ehci_dev = usb_dev->ehci_dev;
+ struct platform_device *xhci_dev = usb_dev->xhci_dev;
if (ohci_dev)
platform_device_unregister(ohci_dev);
if (ehci_dev)
platform_device_unregister(ehci_dev);
+ if (xhci_dev)
+ platform_device_unregister(xhci_dev);
bcma_core_disable(dev, 0);
}
@@ -418,6 +642,7 @@ static int bcma_hcd_resume(struct bcma_d
static const struct bcma_device_id bcma_hcd_table[] = {
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_USB20_HOST, BCMA_ANY_REV, BCMA_ANY_CLASS),
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_USB20, BCMA_ANY_REV, BCMA_ANY_CLASS),
+ BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_USB30, BCMA_ANY_REV, BCMA_ANY_CLASS),
{},
};
MODULE_DEVICE_TABLE(bcma, bcma_hcd_table);

86
target/linux/bcm53xx/patches-4.4/300-ARM-BCM5301X-Disable-MMU-and-Dcache-for-decompression.patch Normal file
View file

@ -0,0 +1,86 @@
From: Florian Fainelli <f.fainelli@gmail.com>
Subject: [PATCH] ARM: BCM5301x: Disable MMU and Dcache during decompression
Date: Tue, 14 Jul 2015 16:12:08 -0700
Use the existing __armv7_mmu_cache_flush() to perform the cache flush
since this does what we are after.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
arch/arm/boot/compressed/Makefile | 4 +++
arch/arm/boot/compressed/head-bcm_5301x-mpcore.S | 37 ++++++++++++++++++++++++
arch/arm/boot/compressed/head.S | 2 ++
3 files changed, 43 insertions(+)
create mode 100644 arch/arm/boot/compressed/head-bcm_5301x-mpcore.S
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -31,6 +31,10 @@ ifeq ($(CONFIG_ARCH_ACORN),y)
OBJS += ll_char_wr.o font.o
endif
+ifeq ($(CONFIG_ARCH_BCM_5301X),y)
+OBJS += head-bcm_5301x-mpcore.o
+endif
+
ifeq ($(CONFIG_ARCH_SA1100),y)
OBJS += head-sa1100.o
endif
--- /dev/null
+++ b/arch/arm/boot/compressed/head-bcm_5301x-mpcore.S
@@ -0,0 +1,37 @@
+/*
+ *
+ * Platform specific tweaks. This is merged into head.S by the linker.
+ *
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/cp15.h>
+
+ .section ".start", "ax"
+
+/*
+ * This code section is spliced into the head code by the linker
+ */
+
+__plat_uncompress_start:
+
+ @ Preserve r8/r7 i.e. kernel entry values
+ mov r12, r8
+
+ @ Clear MMU enable and Dcache enable bits
+ mrc p15, 0, r0, c1, c0, 0 @ Read SCTLR
+ bic r0, #CR_C|CR_M
+ mcr p15, 0, r0, c1, c0, 0 @ Write SCTLR
+ nop
+
+ @ Call the cache invalidation routine
+ bl __armv7_mmu_cache_flush_fn
+ nop
+ mov r0,#0
+ ldr r3, =0x19022000 @ L2 cache controller, control reg
+ str r0, [r3, #0x100] @ Disable L2 cache
+ nop
+
+ @ Restore
+ mov r8, r12
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -1152,6 +1152,7 @@ __armv7_mmu_cache_flush:
hierarchical:
mcr p15, 0, r10, c7, c10, 5 @ DMB
stmfd sp!, {r0-r7, r9-r11}
+ENTRY(__armv7_mmu_cache_flush_fn)
mrc p15, 1, r0, c0, c0, 1 @ read clidr
ands r3, r0, #0x7000000 @ extract loc from clidr
mov r3, r3, lsr #23 @ left align loc bit field
@@ -1201,6 +1202,7 @@ iflush:
mcr p15, 0, r10, c7, c10, 4 @ DSB
mcr p15, 0, r10, c7, c5, 4 @ ISB
mov pc, lr
+ENDPROC(__armv7_mmu_cache_flush_fn)
__armv5tej_mmu_cache_flush:
tst r4, #1

26
target/linux/bcm53xx/patches-4.4/301-ARM-BCM5301X-Add-SPROM.patch Normal file
View file

@ -0,0 +1,26 @@
From d404e0b22356078a51719fa911f6e09cb1a72d80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Sun, 7 Jun 2015 16:18:18 +0200
Subject: [PATCH] ARM: BCM5301X: Add SPROM
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
arch/arm/boot/dts/bcm5301x.dtsi | 4 ++++
1 file changed, 4 insertions(+)
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -136,6 +136,10 @@
};
};
+ sprom0: sprom@0 {
+ compatible = "brcm,bcm47xx-sprom";
+ };
+
axi@18000000 {
compatible = "brcm,bus-axi";
reg = <0x18000000 0x1000>;

69
target/linux/bcm53xx/patches-4.4/305-ARM-BCM5301X-Add-DT-for-Linksys-EA6300-V1.patch Normal file
View file

@ -0,0 +1,69 @@
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Subject: [PATCH] ARM: BCM5301X: Add DT for Linksys EA6300 V1
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -65,6 +65,7 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
bcm4708-asus-rt-ac56u.dtb \
bcm4708-asus-rt-ac68u.dtb \
bcm4708-buffalo-wzr-1750dhp.dtb \
+ bcm4708-linksys-ea6300-v1.dtb \
bcm4708-luxul-xwc-1000.dtb \
bcm4708-netgear-r6250.dtb \
bcm4708-netgear-r6300-v2.dtb \
--- /dev/null
+++ b/arch/arm/boot/dts/bcm4708-linksys-ea6300-v1.dts
@@ -0,0 +1,48 @@
+/*
+ * Broadcom BCM470X / BCM5301X ARM platform code.
+ * DTS for Linksys EA6300 V1
+ *
+ * Copyright (C) 2015 Rafał Miłecki <zajec5@gmail.com>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+/dts-v1/;
+
+#include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
+
+/ {
+ compatible = "linksys,ea6300v1", "brcm,bcm4708";
+ model = "Linksys EA6300 V1";
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ memory {
+ reg = <0x00000000 0x08000000>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wps {
+ label = "WPS";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&chipcommon 7 GPIO_ACTIVE_LOW>;
+ };
+
+ restart {
+ label = "Reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+};

41
target/linux/bcm53xx/patches-4.4/320-ARM-BCM5301X-Add-Buffalo-WXR-1900DHP-clock-and-USB-p.patch Normal file
View file

@ -0,0 +1,41 @@
From 504dba5b073a9009ae1e3f2fc53ea9c3aa10c38a Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 13 May 2015 20:56:38 +0200
Subject: [PATCH] ARM: BCM5301X: Add Buffalo WXR-1900DHP clock and USB power
control
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
@@ -24,6 +24,23 @@
reg = <0x00000000 0x08000000>;
};
+ clocks {
+ clk_periph: periph {
+ clock-frequency = <500000000>;
+ };
+ };
+
+ axi@18000000 {
+ usb2@21000 {
+ reg = <0x00021000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ vcc-gpio = <&chipcommon 13 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
leds {
compatible = "gpio-leds";

66
target/linux/bcm53xx/patches-4.4/321-ARM-BCM5301X-Set-vcc-gpio-for-USB-controllers.patch Normal file
View file

@ -0,0 +1,66 @@
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Subject: [PATCH] ARM: BCM5301X: Set vcc-gpio for USB controllers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -24,6 +24,26 @@
reg = <0x00000000 0x08000000>;
};
+ axi@18000000 {
+ usb2@21000 {
+ reg = <0x00021000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>;
+ };
+
+ usb3@23000 {
+ reg = <0x00023000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ vcc-gpio = <&chipcommon 10 GPIO_ACTIVE_LOW>;
+ };
+ };
+
spi {
compatible = "spi-gpio";
num-chipselects = <1>;
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -24,6 +24,26 @@
reg = <0x00000000 0x08000000>;
};
+ axi@18000000 {
+ usb2@21000 {
+ reg = <0x00021000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
+ };
+
+ usb3@23000 {
+ reg = <0x00023000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
leds {
compatible = "gpio-leds";

170
target/linux/bcm53xx/patches-4.4/330-ARM-BCM5310X-Enable-earlyprintk-on-tested-devices.patch Normal file
View file

@ -0,0 +1,170 @@
From eb1075cc48d3c315c7403822c33da9588ab76492 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Wed, 14 Jan 2015 08:33:25 +0100
Subject: [PATCH] ARM: BCM5310X: Enable earlyprintk on tested devices
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts | 2 +-
arch/arm/boot/dts/bcm4708-netgear-r6250.dts | 2 +-
arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts | 2 +-
arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -17,7 +17,7 @@
model = "Buffalo WZR-1750DHP (BCM4708)";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -17,7 +17,7 @@
model = "Netgear R6250 V1 (BCM4708)";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
+++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
@@ -17,7 +17,7 @@
model = "Asus RT-N18U (BCM47081)";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
@@ -17,7 +17,7 @@
model = "Buffalo WZR-600DHP2 (BCM47081)";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
@@ -17,7 +17,7 @@
model = "Buffalo WZR-900DHP (BCM47081)";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -17,7 +17,7 @@
model = "Netgear R8000 (BCM4709)";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
@@ -17,7 +17,7 @@
model = "Asus RT-AC56U (BCM4708)";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
@@ -17,7 +17,7 @@
model = "Asus RT-AC68U (BCM4708)";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
@@ -17,7 +17,7 @@
model = "Luxul XWC-1000 (BCM4708)";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
@@ -17,7 +17,7 @@
model = "Buffalo WXR-1900DHP";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
@@ -17,7 +17,7 @@
model = "SmartRG SR400ac";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
+++ b/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
@@ -17,7 +17,7 @@
model = "Asus RT-AC87U";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
@@ -17,7 +17,7 @@
model = "Netgear R7000";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {
--- a/arch/arm/boot/dts/bcm4708-linksys-ea6300-v1.dts
+++ b/arch/arm/boot/dts/bcm4708-linksys-ea6300-v1.dts
@@ -17,7 +17,7 @@
model = "Linksys EA6300 V1";
chosen {
- bootargs = "console=ttyS0,115200";
+ bootargs = "console=ttyS0,115200 earlyprintk";
};
memory {

173
target/linux/bcm53xx/patches-4.4/331-ARM-BCM5301X-Specify-RAM-on-devices-by-including-HIG.patch Normal file
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@ -0,0 +1,173 @@
From 36b2fbb3badf0e32b371e1f7579a95d4fe25c0e1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Wed, 14 Jan 2015 09:13:58 +0100
Subject: [PATCH] ARM: BCM5301X: Specify RAM on devices by including HIGHMEM
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts | 3 ++-
arch/arm/boot/dts/bcm4708-netgear-r6250.dts | 3 ++-
arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts | 3 ++-
arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts | 3 ++-
arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts | 3 ++-
5 files changed, 10 insertions(+), 5 deletions(-)
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x18000000>;
};
axi@18000000 {
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
axi@18000000 {
--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
+++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
spi {
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
gpio-keys {
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
axi@18000000 {
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x18000000>;
};
clocks {
--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
+++ b/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {
--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
@@ -21,7 +21,8 @@
};
memory {
- reg = <0x00000000 0x08000000>;
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
};
leds {

20
target/linux/bcm53xx/patches-4.4/332-ARM-BCM5301X-Add-power-button-for-Buffalo-WZR-1750DHP.patch Normal file
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@ -0,0 +1,20 @@
From: Felix Fietkau <nbd@openwrt.org>
Subject: [PATCH] ARM: BCM5301X: Add power button for Buffalo WZR-1750DHP
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -123,6 +123,12 @@
#address-cells = <1>;
#size-cells = <0>;
+ power {
+ label = "Power";
+ linux,code = <KEY_POWER>;
+ gpios = <&chipcommon 1 GPIO_ACTIVE_LOW>;
+ };
+
restart {
label = "Reset";
linux,code = <KEY_RESTART>;

111
target/linux/bcm53xx/patches-4.4/351-ARM-BCM5301X-Enable-ChipCommon-UART-on-untested-devi.patch Normal file
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@ -0,0 +1,111 @@
From b49d7bb4825654f81bcee8e219028712811515a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Mon, 29 Jun 2015 08:11:36 +0200
Subject: [PATCH] ARM: BCM5301X: Enable ChipCommon UART on untested devices
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts | 4 ++++
arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts | 4 ++++
arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts | 4 ++++
arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts | 4 ++++
arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts | 4 ++++
arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts | 5 +++++
arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts | 5 +++++
arch/arm/boot/dts/bcm4709-netgear-r8000.dts | 5 +++++
8 files changed, 35 insertions(+)
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
@@ -96,3 +96,7 @@
};
};
};
+
+&uart0 {
+ status = "okay";
+};
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
@@ -83,3 +83,7 @@
};
};
};
+
+&uart0 {
+ status = "okay";
+};
--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
@@ -83,3 +83,7 @@
};
};
};
+
+&uart0 {
+ status = "okay";
+};
--- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
+++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
@@ -77,3 +77,7 @@
};
};
};
+
+&uart0 {
+ status = "okay";
+};
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
@@ -37,3 +37,7 @@
};
};
};
+
+&uart0 {
+ status = "okay";
+};
--- a/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
+++ b/arch/arm/boot/dts/bcm4709-asus-rt-ac87u.dts
@@ -65,3 +65,8 @@
};
};
};
+
+&uart0 {
+ status = "okay";
+ clock-frequency = <125000000>;
+};
--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
@@ -144,3 +144,8 @@
};
};
};
+
+&uart0 {
+ status = "okay";
+ clock-frequency = <125000000>;
+};
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -127,3 +127,8 @@
};
};
};
+
+&uart0 {
+ status = "okay";
+ clock-frequency = <125000000>;
+};
--- a/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r7000.dts
@@ -104,4 +104,5 @@
&uart0 {
status = "okay";
+ clock-frequency = <125000000>;
};

31
target/linux/bcm53xx/patches-4.4/400-mtd-bcm47xxpart-scan-whole-flash-on-ARCH_BCM_5301X.patch Normal file
View file

@ -0,0 +1,31 @@
From d658c21d6697293a928434fd6ac19264b5a8948d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Fri, 30 Jan 2015 08:25:54 +0100
Subject: [PATCH] mtd: bcm47xxpart: scan whole flash on ARCH_BCM_5301X
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/mtd/bcm47xxpart.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -120,9 +120,15 @@ static int bcm47xxpart_parse(struct mtd_
/* Parse block by block looking for magics */
for (offset = 0; offset <= master->size - blocksize;
offset += blocksize) {
+#ifndef CONFIG_ARCH_BCM_5301X
+ /*
+ * ARM routers may have partitions in higher memory. E.g.
+ * Netgear R8000 has board_data at 0x2600000.
+ */
/* Nothing more in higher memory */
if (offset >= 0x2000000)
break;
+#endif
if (curr_part >= BCM47XXPART_MAX_PARTS) {
pr_warn("Reached maximum number of partitions, scanning stopped!\n");

20
target/linux/bcm53xx/patches-4.4/404-mtd-bcm53xxspiflash-new-driver-for-SPI-flahes-on-Bro.patch Normal file
View file

@ -0,0 +1,20 @@
--- a/drivers/mtd/spi-nor/Kconfig
+++ b/drivers/mtd/spi-nor/Kconfig
@@ -41,4 +41,10 @@ config SPI_NXP_SPIFI
Flash. Enable this option if you have a device with a SPIFI
controller and want to access the Flash as a mtd device.
+config MTD_SPI_BCM53XXSPIFLASH
+ tristate "SPI-NOR flashes connected to the Broadcom ARM SoC"
+ depends on MTD_SPI_NOR
+ help
+ SPI driver for flashes used on Broadcom ARM SoCs.
+
endif # MTD_SPI_NOR
--- a/drivers/mtd/spi-nor/Makefile
+++ b/drivers/mtd/spi-nor/Makefile
@@ -1,3 +1,4 @@
obj-$(CONFIG_MTD_SPI_NOR) += spi-nor.o
obj-$(CONFIG_SPI_FSL_QUADSPI) += fsl-quadspi.o
+obj-$(CONFIG_MTD_SPI_BCM53XXSPIFLASH) += bcm53xxspiflash.o
obj-$(CONFIG_SPI_NXP_SPIFI) += nxp-spifi.o

59
target/linux/bcm53xx/patches-4.4/500-UBI-Detect-EOF-mark-and-erase-all-remaining-blocks.patch Normal file
View file

@ -0,0 +1,59 @@
From 2a2af518266a29323cf30c3f9ba9ef2ceb1dd84b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Thu, 16 Oct 2014 20:52:16 +0200
Subject: [PATCH] UBI: Detect EOF mark and erase all remaining blocks
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/mtd/ubi/attach.c | 5 +++++
drivers/mtd/ubi/io.c | 4 ++++
drivers/mtd/ubi/ubi.h | 1 +
3 files changed, 10 insertions(+)
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -95,6 +95,9 @@ static int self_check_ai(struct ubi_devi
static struct ubi_ec_hdr *ech;
static struct ubi_vid_hdr *vidh;
+/* Set on finding block with 0xdeadc0de, indicates erasing all blocks behind */
+bool erase_all_next;
+
/**
* add_to_list - add physical eraseblock to a list.
* @ai: attaching information
@@ -1425,6 +1428,8 @@ int ubi_attach(struct ubi_device *ubi, i
if (!ai)
return -ENOMEM;
+ erase_all_next = false;
+
#ifdef CONFIG_MTD_UBI_FASTMAP
/* On small flash devices we disable fastmap in any case. */
if ((int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd) <= UBI_FM_MAX_START) {
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -755,6 +755,10 @@ int ubi_io_read_ec_hdr(struct ubi_device
}
magic = be32_to_cpu(ec_hdr->magic);
+ if (magic == 0xdeadc0de)
+ erase_all_next = true;
+ if (erase_all_next)
+ return read_err ? UBI_IO_FF_BITFLIPS : UBI_IO_FF;
if (magic != UBI_EC_HDR_MAGIC) {
if (mtd_is_eccerr(read_err))
return UBI_IO_BAD_HDR_EBADMSG;
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -781,6 +781,7 @@ extern struct mutex ubi_devices_mutex;
extern struct blocking_notifier_head ubi_notifiers;
/* attach.c */
+extern bool erase_all_next;
int ubi_add_to_av(struct ubi_device *ubi, struct ubi_attach_info *ai, int pnum,
int ec, const struct ubi_vid_hdr *vid_hdr, int bitflips);
struct ubi_ainf_volume *ubi_find_av(const struct ubi_attach_info *ai,

42
target/linux/bcm53xx/patches-4.4/710-b53-add-hacky-CPU-port-fixes-for-devices-not-using-p.patch Normal file
View file

@ -0,0 +1,42 @@
From 4abdde3ad6bc0b3b157c4bf6ec0bf139d11d07e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Wed, 13 May 2015 14:13:28 +0200
Subject: [PATCH] b53: add hacky CPU port fixes for devices not using port 5
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/net/phy/b53/b53_common.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/net/phy/b53/b53_common.c
+++ b/drivers/net/phy/b53/b53_common.c
@@ -25,6 +25,7 @@
#include <linux/module.h>
#include <linux/switch.h>
#include <linux/platform_data/b53.h>
+#include <linux/of.h>
#include "b53_regs.h"
#include "b53_priv.h"
@@ -1313,6 +1314,18 @@ static int b53_switch_init(struct b53_de
sw_dev->cpu_port = 5;
}
+ if (of_machine_is_compatible("asus,rt-ac87u"))
+ sw_dev->cpu_port = 7;
+ else if (of_machine_is_compatible("netgear,r8000"))
+ sw_dev->cpu_port = 8;
+
+ /*
+ * Workaround for devices using port 8 (connected to the 3rd iface).
+ * For some reason it doesn't work (no packets on eth2).
+ */
+ if (of_machine_is_compatible("netgear,r8000"))
+ sw_dev->cpu_port = 5;
+
/* cpu port is always last */
sw_dev->ports = sw_dev->cpu_port + 1;
dev->enabled_ports |= BIT(sw_dev->cpu_port);

65
target/linux/bcm53xx/patches-4.4/800-bcma-use-two-different-initcalls-if-built-in.patch Normal file
View file

@ -0,0 +1,65 @@
From 666bdfc027cde41a171862dc698987a378c8b66a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Mon, 9 Feb 2015 18:00:42 +0100
Subject: [PATCH RFC] bcma: use two different initcalls if built-in
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This is needed as we can't initialize bus during fs_initcall.
Initialization requires SPROM which depends on NVRAM which depends on
mtd. Since mtd, spi, nand, spi-nor use standard module_init, we have to
do the same in bcma.
Without this we'll try to initialize SPROM without having a ready SPROM
proviver registered using bcma_arch_register_fallback_sprom.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
While this patch seems to work and I can compile bcma as built-in and
module, I'm not too proud of it. I don't really like these #if(n)def
tricks and I'm afraid bcma_modinit may be called even if
bcma_modinit_early failed.
Do you see any better idea of solving this?
---
drivers/bcma/main.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -668,13 +668,25 @@ static int bcma_device_uevent(struct dev
core->id.rev, core->id.class);
}
+/* Bus has to be registered early, before any bcma driver */
+static int __init bcma_modinit_early(void)
+{
+ return bus_register(&bcma_bus_type);
+}
+#ifndef MODULE
+fs_initcall(bcma_modinit_early);
+#endif
+
+/* Initialization has to be done later with SPI/mtd/NAND/SPROM available */
static int __init bcma_modinit(void)
{
int err;
- err = bus_register(&bcma_bus_type);
+#ifdef MODULE
+ err = bcma_modinit_early();
if (err)
return err;
+#endif
err = bcma_host_soc_register_driver();
if (err) {
@@ -691,7 +703,7 @@ static int __init bcma_modinit(void)
return err;
}
-fs_initcall(bcma_modinit);
+module_init(bcma_modinit);
static void __exit bcma_modexit(void)
{

42
target/linux/bcm53xx/patches-4.4/901-mtd-bcm47xxpart-workaround-for-Asus-RT-AC87U-asus-pa.patch Normal file
View file

@ -0,0 +1,42 @@
From 21500872c1dba33848ddcf6bea97d58772675d36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Sun, 17 May 2015 14:00:52 +0200
Subject: [PATCH] mtd: bcm47xxpart: workaround for Asus RT-AC87U "asus"
partition
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/mtd/bcm47xxpart.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/of.h>
#include <uapi/linux/magic.h>
@@ -135,6 +136,17 @@ static int bcm47xxpart_parse(struct mtd_
break;
}
+ /*
+ * Ugly workaround for Asus RT-AC87U and its "asus" partition.
+ * It uses JFFS2 which we don't (want to) detect. We should
+ * probably use DT to define partitions but we need a working
+ * TRX firmware splitter first.
+ */
+ if (of_machine_is_compatible("asus,rt-ac87u") && offset == 0x7ec0000) {
+ bcm47xxpart_add_part(&parts[curr_part++], "asus", offset, MTD_WRITEABLE);
+ continue;
+ }
+
/* Read beginning of the block */
if (mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ,
&bytes_read, (uint8_t *)buf) < 0) {