[dpdk-dev] [PATCH v3 4/4] config: add octeontx2 machine config

[Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>]

From: Jerin Jacob <jerinj@marvell.com>

Optimized configuration for Marvell octeontx2 SoC. Update meson build to
support Marvell octeontx2 SoC.

Signed-off-by: Jerin Jacob <jerinj@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marrvell.com>
---
 config/arm/meson.build                        | 10 +++++-
 config/defconfig_arm64-octeontx2-linuxapp-gcc | 18 ++++++++++
 mk/machine/octeontx2/rte.vars.mk              | 34 +++++++++++++++++++
 3 files changed, 61 insertions(+), 1 deletion(-)
 create mode 100644 config/defconfig_arm64-octeontx2-linuxapp-gcc
 create mode 100644 mk/machine/octeontx2/rte.vars.mk

diff --git a/config/arm/meson.build b/config/arm/meson.build
index aca285b6a..8086357a1 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -60,6 +60,13 @@ flags_thunderx2_extra = [
 	['RTE_MAX_NUMA_NODES', 2],
 	['RTE_MAX_LCORE', 256],
 	['RTE_USE_C11_MEM_MODEL', true]]
+flags_octeontx2_extra = [
+	['RTE_MACHINE', '"octeontx2"'],
+	['RTE_MAX_NUMA_NODES', 1],
+	['RTE_MAX_LCORE', 24],
+	['RTE_EAL_NUMA_AWARE_HUGEPAGES', false],
+	['RTE_LIBRTE_VHOST_NUMA', false],
+	['RTE_EAL_IGB_UIO', false]]
 
 machine_args_generic = [
 	['default', ['-march=armv8-a+crc+crypto']],
@@ -77,7 +84,8 @@ machine_args_cavium = [
 	['0xa1', ['-mcpu=thunderxt88'], flags_thunderx_extra],
 	['0xa2', ['-mcpu=thunderxt81'], flags_thunderx_extra],
 	['0xa3', ['-mcpu=thunderxt83'], flags_thunderx_extra],
-	['0xaf', ['-mcpu=thunderx2t99'], flags_thunderx2_extra]]
+	['0xaf', ['-mcpu=thunderx2t99'], flags_thunderx2_extra],
+	['0xb2', ['-mcpu=octeontx2'], flags_octeontx2_extra]]
 
 ## Arm implementer ID (ARM DDI 0487C.a, Section G7.2.106, Page G7-5321)
 impl_generic = ['Generic armv8', flags_generic, machine_args_generic]
diff --git a/config/defconfig_arm64-octeontx2-linuxapp-gcc b/config/defconfig_arm64-octeontx2-linuxapp-gcc
new file mode 100644
index 000000000..9a99eada1
--- /dev/null
+++ b/config/defconfig_arm64-octeontx2-linuxapp-gcc
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Marvell International Ltd
+#
+
+#include "defconfig_arm64-armv8a-linuxapp-gcc"
+
+CONFIG_RTE_MACHINE="octeontx2"
+
+CONFIG_RTE_CACHE_LINE_SIZE=128
+CONFIG_RTE_MAX_NUMA_NODES=1
+CONFIG_RTE_MAX_LCORE=24
+
+# Doesn't support NUMA
+CONFIG_RTE_EAL_NUMA_AWARE_HUGEPAGES=n
+CONFIG_RTE_LIBRTE_VHOST_NUMA=n
+
+# Recommend to use VFIO as co-processors needs SMMU/IOMMU
+CONFIG_RTE_EAL_IGB_UIO=n
diff --git a/mk/machine/octeontx2/rte.vars.mk b/mk/machine/octeontx2/rte.vars.mk
new file mode 100644
index 000000000..e209cf492
--- /dev/null
+++ b/mk/machine/octeontx2/rte.vars.mk
@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Marvell International Ltd
+#
+
+#
+# machine:
+#
+#   - can define ARCH variable (overridden by cmdline value)
+#   - can define CROSS variable (overridden by cmdline value)
+#   - define MACHINE_CFLAGS variable (overridden by cmdline value)
+#   - define MACHINE_LDFLAGS variable (overridden by cmdline value)
+#   - define MACHINE_ASFLAGS variable (overridden by cmdline value)
+#   - can define CPU_CFLAGS variable (overridden by cmdline value) that
+#     overrides the one defined in arch.
+#   - can define CPU_LDFLAGS variable (overridden by cmdline value) that
+#     overrides the one defined in arch.
+#   - can define CPU_ASFLAGS variable (overridden by cmdline value) that
+#     overrides the one defined in arch.
+#   - may override any previously defined variable
+#
+
+# ARCH =
+# CROSS =
+# MACHINE_CFLAGS =
+# MACHINE_LDFLAGS =
+# MACHINE_ASFLAGS =
+# CPU_CFLAGS =
+# CPU_LDFLAGS =
+# CPU_ASFLAGS =
+
+include $(RTE_SDK)/mk/rte.helper.mk
+
+MACHINE_CFLAGS += $(call rte_cc_has_argument, -march=armv8.2-a+crc+crypto+lse)
+MACHINE_CFLAGS += $(call rte_cc_has_argument, -mcpu=octeontx2)
-- 
2.20.1