From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org, ralf@linux-mips.org
Subject: Re: [PATCH 06/18] MIPS: Netlogic: Get coremask from FUSE register
Date: Tue, 15 Oct 2013 16:09:30 +0400 [thread overview]
Message-ID: <525D307A.9060403@cogentembedded.com> (raw)
In-Reply-To: <1381756874-22616-7-git-send-email-jchandra@broadcom.com>
Hello.
On 14-10-2013 17:21, Jayachandran C wrote:
> Use the FUSE register to get the list of active cores in the CPU
> instead of using the CPU reset register, this is the recommended
> method.
> Also add code to mask the coremask with the default number of cores
> for each processor series.
> Signed-off-by: Jayachandran C <jchandra@broadcom.com>
> ---
> arch/mips/netlogic/xlp/wakeup.c | 31 ++++++++++++++++++++++++++-----
> 1 file changed, 26 insertions(+), 5 deletions(-)
> diff --git a/arch/mips/netlogic/xlp/wakeup.c b/arch/mips/netlogic/xlp/wakeup.c
> index 682d563..1011577 100644
> --- a/arch/mips/netlogic/xlp/wakeup.c
> +++ b/arch/mips/netlogic/xlp/wakeup.c
[...]
> @@ -111,12 +111,33 @@ static void xlp_enable_secondary_cores(const cpumask_t *wakeup_mask)
> if (n != 0)
> nlm_node_init(n);
> nodep = nlm_get_node(n);
> - syscoremask = nlm_read_sys_reg(nodep->sysbase, SYS_CPU_RESET);
> +
> + fusemask = nlm_read_sys_reg(nodep->sysbase,
> + SYS_EFUSE_DEVICE_CFG_STATUS0);
> + switch (read_c0_prid() & 0xff00) {
> + case PRID_IMP_NETLOGIC_XLP3XX:
> + mask = 0xf;
> + break;
> + case PRID_IMP_NETLOGIC_XLP2XX:
> + mask = 0x3;
> + break;
> + case PRID_IMP_NETLOGIC_XLP8XX:
> + mask = 0xff;
> + break;
> + default:
> + mask = 0xff;
> + break;
Why not merge the last 2 cases?
> + }
WBR, Sergei
next prev parent reply other threads:[~2013-10-15 12:10 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-14 13:20 [PATCH 00/18] Broadcom XLP Updates Jayachandran C
2013-10-14 13:20 ` [PATCH 01/18] MIPS: Netlogic: Add MSI support for XLP Jayachandran C
2013-10-14 13:20 ` [PATCH 02/18] MIPS: Netlogic: Add topology.h for XLP family Jayachandran C
2013-10-14 13:20 ` [PATCH 03/18] MIPS: Netlogic: Some cleanups for assembly code Jayachandran C
2013-10-14 13:21 ` [PATCH 04/18] MIPS: Netlogic: L1D cacheflush before thread enable on XLPII Jayachandran C
2013-10-14 13:21 ` [PATCH 05/18] MIPS: Netlogic: Add macro for node present Jayachandran C
2013-10-14 13:21 ` [PATCH 06/18] MIPS: Netlogic: Get coremask from FUSE register Jayachandran C
2013-10-15 12:09 ` Sergei Shtylyov [this message]
2013-10-22 11:19 ` [PATCH 06/18 UPDATED] " Jayachandran C
2013-10-14 13:21 ` [PATCH 07/18] MIPS: Netlogic: Core wakeup improvements Jayachandran C
2013-10-14 13:21 ` [PATCH 08/18] MIPS: Netlogic: Identify XLP 9XX chip Jayachandran C
2013-10-14 13:21 ` [PATCH 09/18] MIPS: Netlogic: update iomap.h for XLP9XX Jayachandran C
2013-10-14 13:21 ` [PATCH 10/18] MIPS: Netlogic: XLP9XX PIC updates Jayachandran C
2013-10-14 13:21 ` [PATCH 11/18] MIPS: Netlogic: SYS block updates of XLP9XX Jayachandran C
2013-10-22 11:20 ` [PATCH 11/18 UPDATED] " Jayachandran C
2013-10-14 13:21 ` [PATCH 12/18] MIPS: Netlogic: XLP9XX UART offset Jayachandran C
2013-10-14 13:21 ` [PATCH 13/18] MIPS: Netlogic: XLP9XX bridge and DRAM code Jayachandran C
2013-10-14 13:21 ` [PATCH 14/18] MIPS: Netlogic: Add cpu to node mapping for XLP9XX Jayachandran C
2013-10-14 13:21 ` [PATCH 15/18] MIPS: PCI: Netlogic XLP9XX support Jayachandran C
2013-10-22 11:22 ` [PATCH 11/18 UPDATED] MIPS: Netlogic: SYS block updates of XLP9XX Jayachandran C
2013-10-22 11:26 ` [PATCH 15/18 UPDATED] MIPS: PCI: Netlogic XLP9XX support Jayachandran C
2013-10-14 13:21 ` [PATCH 16/18] MIPS: Netlogic: XLP9XX USB support Jayachandran C
2013-10-14 13:21 ` [PATCH 17/18] MIPS: Netlogic: XLP9XX PIC OF support Jayachandran C
2013-10-15 12:28 ` Sergei Shtylyov
2013-10-22 11:23 ` Jayachandran C
2013-10-14 13:21 ` [PATCH 18/18] MIPS: Netlogic: Add default DTB for XLP9XX SoC Jayachandran C
2013-10-25 8:52 ` [PATCH 18/18 UPDATED] " Jayachandran C
-- strict thread matches above, loose matches on Subject: below --
2013-12-21 11:22 [PATCH 00/18] Broadcom XLP Updates for 3.14 Jayachandran C
2013-12-21 11:22 ` [PATCH 06/18] MIPS: Netlogic: Get coremask from FUSE register Jayachandran C
2013-12-21 11:22 ` Jayachandran C
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=525D307A.9060403@cogentembedded.com \
--to=sergei.shtylyov@cogentembedded.com \
--cc=jchandra@broadcom.com \
--cc=linux-mips@linux-mips.org \
--cc=ralf@linux-mips.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.