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
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