Message ID | 20210804072137.1147875-26-hegdevasant@linux.vnet.ibm.com |
---|---|
State | Accepted |
Headers | show
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Wed, 4 Aug 2021 07:22:43 +0000 (GMT) Received: from hegdevasant.in.ibm.com (unknown [9.85.83.73]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 4 Aug 2021 07:22:42 +0000 (GMT) From: Vasant Hegde <hegdevasant@linux.vnet.ibm.com> To: skiboot@lists.ozlabs.org Date: Wed, 4 Aug 2021 12:51:03 +0530 Message-Id: <20210804072137.1147875-26-hegdevasant@linux.vnet.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210804072137.1147875-1-hegdevasant@linux.vnet.ibm.com> References: <20210804072137.1147875-1-hegdevasant@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: i6oz5XdgcSsTcen--dJqnWN_SYsfA-81 X-Proofpoint-GUID: i6oz5XdgcSsTcen--dJqnWN_SYsfA-81 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-08-04_02:2021-08-03, 2021-08-04 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxscore=0 malwarescore=0 clxscore=1015 mlxlogscore=999 phishscore=0 adultscore=0 impostorscore=0 bulkscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2107140000 definitions=main-2108040036 Subject: [Skiboot] [PATCH v2 25/59] hw/nx: Enable p10 DARN X-BeenThere: skiboot@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Mailing list for skiboot development <skiboot.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/skiboot>, <mailto:skiboot-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/skiboot/> List-Post: <mailto:skiboot@lists.ozlabs.org> List-Help: <mailto:skiboot-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/skiboot>, <mailto:skiboot-request@lists.ozlabs.org?subject=subscribe> Cc: Ryan Grimm <grimm@linux.ibm.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Skiboot" <skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
Series |
P10 Enablement
|
expand
|
diff --git a/hw/nx.c b/hw/nx.c index 122048087..fdadf53c7 100644 --- a/hw/nx.c +++ b/hw/nx.c @@ -12,11 +12,12 @@ #include <nx.h> #include <chip.h> #include <xscom-p9-regs.h> +#include <xscom-p10-regs.h> #include <phys-map.h> #include <vas.h> #include <p9_stop_api.H> -static void p9_darn_init(void) +static void darn_init(void) { struct dt_node *nx; struct proc_chip *chip; @@ -45,11 +46,25 @@ static void p9_darn_init(void) for_each_available_core_in_chip(c, chip->id) { uint64_t addr; - addr = XSCOM_ADDR_P9_EX(pir_to_core_id(c->pir), + + if (proc_gen == proc_gen_p9) { + addr = XSCOM_ADDR_P9_EX(pir_to_core_id(c->pir), P9X_EX_NCU_DARN_BAR); - xscom_write(chip->id, addr, + xscom_write(chip->id, addr, bar | P9X_EX_NCU_DARN_BAR_EN); - + } else if (proc_gen >= proc_gen_p10) { + addr = XSCOM_ADDR_P10_NCU(pir_to_core_id(c->pir), + P10_NCU_DARN_BAR); + xscom_write(chip->id, addr, + bar | P10_NCU_DARN_BAR_EN); + /* Init for sibling core also */ + if (c->is_fused_core) { + addr = XSCOM_ADDR_P10_NCU(pir_to_core_id(c->pir + 1), + P10_NCU_DARN_BAR); + xscom_write(chip->id, addr, + bar | P10_NCU_DARN_BAR_EN); + } + } } } } @@ -59,7 +74,7 @@ void nx_p9_rng_late_init(void) struct cpu_thread *c; uint64_t rc; - if (proc_gen != proc_gen_p9) + if (proc_gen < proc_gen_p9) return; if (chip_quirk(QUIRK_NO_RNG)) return; @@ -118,6 +133,6 @@ void nx_init(void) nx_init_one(node); } - if (proc_gen == proc_gen_p9) - p9_darn_init(); + if (proc_gen >= proc_gen_p9) + darn_init(); }