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Message-ID: <565E4F64.9090704@gmail.com> Date: Tue, 01 Dec 2015 17:54:44 -0800 From: Florian Fainelli <f.fainelli@...il.com> To: Kapil Hali <kapilh@...adcom.com>, Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Kumar Gala <galak@...eaurora.org>, Russell King <linux@....linux.org.uk>, Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, Jon Mason <jonmason@...adcom.com>, Florian Fainelli <f.fainelli@...il.com> CC: Gregory Fong <gregory.0xf0@...il.com>, Lee Jones <lee@...nel.org>, Hauke Mehrtens <hauke@...ke-m.de>, Kever Yang <kever.yang@...k-chips.com>, Maxime Ripard <maxime.ripard@...e-electrons.com>, Olof Johansson <olof@...om.net>, Paul Walmsley <paul@...an.com>, Linus Walleij <linus.walleij@...aro.org>, Chen-Yu Tsai <wens@...e.org>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com Subject: Re: [PATCH v4 2/5] ARM: BCM: Clean up SMP support for Broadcom Kona On 01/12/15 08:24, Kapil Hali wrote: > 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. FWIW, I gave this patch a try on a Capri board, and this still brings-up the two CPUs successfully: MMC read: dev # 0, block # 114688, count 32768 ... 100% (32768/32768 blocks) 32768 blocks read: OK ## Starting application at 0x80008000 ... Uncompressing Linux... done, booting the kernel. [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.4.0-rc1-00005-ge49c96ed573e (fainelli@...nelli-desktop) (gcc version 4. 8.5 (Broadcom stbgcc-4.8-1.4) ) #605 SMP Tue Dec 1 17:53:02 PST 2015 [ 0.000000] CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] Machine model: BCM28155 AP board [ 0.000000] cma: Reserved 16 MiB at 0xbf000000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] PERCPU: Embedded 12 pages/cpu @ef7d3000 s18752 r8192 d22208 u49152 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttyS0,115200n8 [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 1009696K/1048576K available (6384K kernel code, 279K rwdata, 2268K rodata, 4152 K init, 218K bss, 22496K reserved, 16384K cma-reserved, 245760K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) [ 0.000000] vmalloc : 0xf0800000 - 0xff800000 ( 240 MB) [ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB) [ 0.000000] .text : 0xc0008000 - 0xc087b694 (8654 kB) [ 0.000000] .init : 0xc087c000 - 0xc0c8a000 (4152 kB) [ 0.000000] .data : 0xc0c8a000 - 0xc0ccfdf8 ( 280 kB) [ 0.000000] .bss : 0xc0cd2000 - 0xc0d08bac ( 219 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] Build-time adjustment of leaf fanout to 32. [ 0.000000] RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=32, nr_cpu_ids=2 [ 0.000000] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] __ccu_wait_bit: slave_ccu/0x0484 bit 18 was never set [ 0.000000] __peri_clk_init: error initializing gate for bsc3 [ 0.000000] Broadcom slave_ccu initialization had errors [ 0.000000] sched_clock: 32 bits at 1kHz, resolution 1000000ns, wraps every 2147483647500000ns [ 0.000000] Console: colour dummy device 80x30 [ 0.006000] Calibrating delay loop... 2383.87 BogoMIPS (lpj=1191936) [ 0.006000] pid_max: default: 32768 minimum: 301 [ 0.006000] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.006000] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.006000] CPU: Testing write buffer coherency: ok [ 0.006000] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.006000] Setting up static identity map for 0x800082c0 - 0x80008318 [ 0.015000] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.015000] Brought up 2 CPUs [ 0.015000] SMP: Total of 2 processors activated (7200.76 BogoMIPS). [ 0.015000] CPU: All CPU(s) started in SVC mode. [ 0.015000] devtmpfs: initialized [ 0.016000] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.016000] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462 75000 ns [ 0.016000] pinctrl core: initialized pinctrl subsystem [ 0.017000] NET: Registered protocol family 16 [ 0.017000] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.023000] cpuidle: using governor ladder [ 0.025000] cpuidle: using governor menu [ 0.026000] Kona Secure API initialized [ 0.026000] BCM-L2C-310 cache controller enabled, 16 ways, 512 kB [ 0.026000] BCM-L2C-310: CACHE_ID 0x410000c8, AUX_CTRL 0x1e050000 [ 0.026000] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.026000] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.033000] SCSI subsystem initialized [ 0.033000] usbcore: registered new interface driver usbfs [ 0.033000] usbcore: registered new interface driver hub [ 0.033000] usbcore: registered new device driver usb [ 0.033000] Linux video capture interface: v2.00 [ 0.033000] pps_core: LinuxPPS API ver. 1 registered [ 0.033000] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@...ux.it > [ 0.033000] PTP clock support registered [ 0.034000] Advanced Linux Sound Architecture Driver Initialized. [ 0.037000] NET: Registered protocol family 2 [ 0.037000] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.038000] TCP bind hash table entries: 8192 (order: 4, 65536 bytes) [ 0.038000] TCP: Hash tables configured (established 8192 bind 8192) [ 0.038000] UDP hash table entries: 512 (order: 2, 16384 bytes) [ 0.038000] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) [ 0.038000] NET: Registered protocol family 1 [ 0.038000] RPC: Registered named UNIX socket transport module. [ 0.038000] RPC: Registered udp transport module. [ 0.038000] RPC: Registered tcp transport module. [ 0.038000] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.114000] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.114000] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.114000] NFS: Registering the id_resolver key type [ 0.114000] Key type id_resolver registered [ 0.114000] Key type id_legacy registered [ 0.114000] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.114000] jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc. [ 0.114000] fuse init (API version 7.23) [ 0.115000] bounce: pool size: 64 pages [ 0.115000] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) [ 0.115000] io scheduler noop registered [ 0.115000] io scheduler deadline registered [ 0.115000] io scheduler cfq registered (default) [ 0.115000] bcm-kona-gpio 35003000.gpio: Setting up Kona GPIO [ 0.138000] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 0.139000] console [ttyS0] disabled [ 0.139000] 3e000000.uart: ttyS0 at MMIO 0x3e000000 (irq = 17, base_baud = 808290) is a 16550A [ 0.415000] console [ttyS0] enabled [ 0.421000] brd: module loaded [ 0.423000] loop: module loaded [ 0.424000] libphy: Fixed MDIO Bus: probed [ 0.425000] cnic: QLogic cnicDriver v2.5.22 (July 20, 2015) [ 0.426000] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 0.427000] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 0.428000] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 0.429000] usbcore: registered new interface driver pegasus [ 0.430000] usbcore: registered new interface driver asix [ 0.431000] usbcore: registered new interface driver ax88179_178a [ 0.432000] usbcore: registered new interface driver cdc_ether [ 0.433000] usbcore: registered new interface driver cdc_ncm [ 0.434000] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.435000] ehci-pci: EHCI PCI platform driver [ 0.436000] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.437000] ohci-pci: OHCI PCI platform driver [ 0.438000] usbcore: registered new interface driver usb-storage [ 0.439000] mousedev: PS/2 mouse device common for all mice [ 0.440000] i2c /dev entries driver [ 0.441000] bcm-kona-i2c 3e016000.i2c: device registered successfully [ 0.442000] bcm-kona-i2c 3e017000.i2c: device registered successfully [ 0.443000] bcm-kona-i2c 3e018000.i2c: device registered successfully [ 0.444000] bcm-kona-i2c 3500d000.i2c: device registered successfully [ 0.445000] gspca_main: v2.14.0 registered [ 0.446000] sdhci: Secure Digital Host Controller Interface driver [ 0.447000] sdhci: Copyright(c) Pierre Ossman [ 0.448000] sdhci-pltfm: SDHCI platform and OF driver helper [ 0.452000] sdhci-kona 3f190000.sdio: No vmmc regulator found [ 0.453000] sdhci-kona 3f190000.sdio: No vqmmc regulator found [ 0.483000] mmc0: SDHCI controller on 3f190000.sdio [3f190000.sdio] using ADMA [ 0.485000] sdhci-kona 3f1b0000.sdio: Got CD GPIO [ 0.489000] sdhci-kona 3f1b0000.sdio: No vmmc regulator found [ 0.490000] sdhci-kona 3f1b0000.sdio: No vqmmc regulator found [ 0.519000] mmc1: SDHCI controller on 3f1b0000.sdio [3f1b0000.sdio] using ADMA [ 0.520000] usbcore: registered new interface driver usbhid [ 0.521000] usbhid: USB HID core driver [ 0.522000] NET: Registered protocol family 17 [ 0.523000] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scrip ts to load br_netfilter if you need this. [ 0.524000] 8021q: 802.1Q VLAN Support v1.8 [ 0.525000] Key type dns_resolver registered [ 0.526000] Registering SWP/SWPB emulation handler [ 0.527000] ALSA device list: [ 0.528000] No soundcards found. [ 0.529000] ttyS0 - failed to request DMA [ 0.531000] Freeing unused kernel memory: 4152K (c087c000 - c0c8a000) starting pid 1114, tty '': '/etc/init.d/rcS' Mounting virtual filesystems [ 0.548000] mmc0: MAN_BKOPS_EN bit is not set [ 0.554000] mmc0: new high speed MMC card at address 0001 [ 0.557000] mmcblk0: mmc0:0001 016G4A 14.8 GiB [ 0.560000] mmcblk0boot0: mmc0:0001 016G4A partition 1 2.00 MiB * WARNING: THIS STB CONTAINS GPLv3 SOFTWARE[ 0.564000] mmcblk0boot1: mmc0:0001 016G4A partition 2 2 .00 MiB * GPLv3 programs must be removed in order to enable security. * See: http://www.gnu.org/licenses/gpl-faq.html#Tivoization [ 0.570000] mmcblk0rpmb: mmc0:0001 016G4A partition 3 256 KiB Configuring lo interface [ 0.577000] Alternate GPT is invalid, using primary GPT. [ 0.580000] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13 p14 p15 Starting network services starting pid 1211, tty '': '/bin/cttyhack /bin/sh -l' # # ps awwux USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 22.0 0.1 1928 1244 ? Ss 00:00 0:00 init root 2 0.0 0.0 0 0 ? S 00:00 0:00 [kthreadd] root 3 0.0 0.0 0 0 ? S 00:00 0:00 [ksoftirqd/0] root 4 0.0 0.0 0 0 ? S 00:00 0:00 [kworker/0:0] root 5 0.0 0.0 0 0 ? S< 00:00 0:00 [kworker/0:0H] root 6 0.0 0.0 0 0 ? S 00:00 0:00 [kworker/u4:0] root 7 0.0 0.0 0 0 ? S 00:00 0:00 [rcu_sched] root 8 0.0 0.0 0 0 ? S 00:00 0:00 [rcu_bh] root 9 0.0 0.0 0 0 ? S 00:00 0:00 [migration/0] root 10 0.0 0.0 0 0 ? S 00:00 0:00 [watchdog/0] root 11 0.0 0.0 0 0 ? S 00:00 0:00 [watchdog/1] root 12 0.0 0.0 0 0 ? S 00:00 0:00 [migration/1] root 13 0.0 0.0 0 0 ? S 00:00 0:00 [ksoftirqd/1] root 14 0.0 0.0 0 0 ? S 00:00 0:00 [kworker/1:0] root 15 0.0 0.0 0 0 ? S< 00:00 0:00 [kworker/1:0H] root 16 0.0 0.0 0 0 ? S 00:00 0:00 [kdevtmpfs] root 17 2.0 0.0 0 0 ? S 00:00 0:00 [kworker/u4:1] root 18 0.0 0.0 0 0 ? S< 00:00 0:00 [perf] root 24 0.0 0.0 0 0 ? S 00:00 0:00 [kworker/u4:2] root 248 0.0 0.0 0 0 ? S 00:00 0:00 [khungtaskd] root 249 0.0 0.0 0 0 ? S< 00:00 0:00 [writeback] root 250 0.0 0.0 0 0 ? S< 00:00 0:00 [crypto] root 252 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 253 0.0 0.0 0 0 ? S 00:00 0:00 [kworker/0:1] root 254 0.0 0.0 0 0 ? S< 00:00 0:00 [kblockd] root 256 0.0 0.0 0 0 ? S< 00:00 0:00 [ata_sff] root 376 0.0 0.0 0 0 ? S< 00:00 0:00 [rpciod] root 389 0.0 0.0 0 0 ? S 00:00 0:00 [kswapd0] root 390 0.0 0.0 0 0 ? S 00:00 0:00 [fsnotify_mark] root 391 0.0 0.0 0 0 ? S< 00:00 0:00 [nfsiod] root 943 0.0 0.0 0 0 ? S 00:00 0:00 [kworker/1:1] root 947 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 950 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 951 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 952 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 953 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 954 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 955 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 956 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 957 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 958 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 959 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 960 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 961 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 962 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 963 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 964 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 998 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1001 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1004 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1007 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1010 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1013 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1016 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1019 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1051 0.0 0.0 0 0 ? S< 00:00 0:00 [cnic_wq] root 1074 0.0 0.0 0 0 ? S< 00:00 0:00 [kpsmoused] root 1092 0.0 0.0 0 0 ? S 00:00 0:00 [irq/24-mmc0] root 1094 0.0 0.0 0 0 ? S 00:00 0:00 [irq/25-mmc1] root 1096 0.0 0.0 0 0 ? S 00:00 0:00 [irq/31-3f1b0000] root 1111 0.0 0.0 0 0 ? S< 00:00 0:00 [deferwq] root 1127 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1130 0.0 0.0 0 0 ? S 00:00 0:00 [mmcqd/0] root 1131 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1133 0.0 0.0 0 0 ? S 00:00 0:00 [mmcqd/0boot0] root 1134 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1137 0.0 0.0 0 0 ? S 00:00 0:00 [mmcqd/0boot1] root 1138 0.0 0.0 0 0 ? S< 00:00 0:00 [bioset] root 1140 0.0 0.0 0 0 ? S 00:00 0:00 [mmcqd/0rpmb] bin 1174 0.0 0.1 1452 1072 ? Ss 00:00 0:00 portmap root 1210 0.0 0.0 1928 56 ? Ss 00:00 0:00 telnetd root 1211 0.0 0.1 1968 1632 ttyS0 Ss 00:00 0:00 /bin/sh -l root 1219 0.0 0.1 1948 1124 ttyS0 R+ 00:00 0:00 ps awwux c# cat /proc/cpuinfo processor : 0 model name : ARMv7 Processor rev 0 (v7l) BogoMIPS : 2383.87 Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpd32 CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x3 CPU part : 0xc09 CPU revision : 0 processor : 1 model name : ARMv7 Processor rev 0 (v7l) BogoMIPS : 4816.89 Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpd32 CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x3 CPU part : 0xc09 CPU revision : 0 Hardware : BCM281xx Broadcom Application Processor Revision : 0000 Serial : 0000000000000000 # -- Florian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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