linux-kernel - [PATCH v2 20/21] MIPS: generic: Add support for Mobileye EyeQ5

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Date:   Thu, 23 Nov 2023 16:26:37 +0100
From:   Gregory CLEMENT <gregory.clement@...tlin.com>
To:     Paul Burton <paulburton@...nel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-mips@...r.kernel.org, Jiaxun Yang <jiaxun.yang@...goat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
        Tawfik Bayouk <tawfik.bayouk@...ileye.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Théo Lebrun <theo.lebrun@...tlin.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Gregory CLEMENT <gregory.clement@...tlin.com>
Subject: [PATCH v2 20/21] MIPS: generic: Add support for Mobileye EyeQ5

Introduce support for the MIPS based Mobileye EyeQ5 SoCs.

Signed-off-by: Gregory CLEMENT <gregory.clement@...tlin.com>
---
 arch/mips/configs/generic/board-eyeq5.config | 43 ++++++++++++++++++++
 arch/mips/generic/Kconfig                    | 15 +++++++
 arch/mips/generic/Platform                   |  2 +
 arch/mips/generic/board-epm5.its.S           | 24 +++++++++++
 4 files changed, 84 insertions(+)
 create mode 100644 arch/mips/configs/generic/board-eyeq5.config
 create mode 100644 arch/mips/generic/board-epm5.its.S

diff --git a/arch/mips/configs/generic/board-eyeq5.config b/arch/mips/configs/generic/board-eyeq5.config
new file mode 100644
index 0000000000000..d5109fda6e821
--- /dev/null
+++ b/arch/mips/configs/generic/board-eyeq5.config
@@ -0,0 +1,43 @@
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_TASKSTATS=y
+CONFIG_FIT_IMAGE_FDT_EPM5=y
+CONFIG_BOARD_EYEQ5=y
+CONFIG_USE_XKPHYS=y
+CONFIG_PHYSICAL_START=0xa800000808000000
+CONFIG_ZBOOT_LOAD_ADDRESS=0xA800000080480000
+CONFIG_CPU_HAS_MSA=y
+CONFIG_NET_KEY=y
+CONFIG_CAN=y
+CONFIG_PCI=y
+CONFIG_PCI_MSI=y
+CONFIG_PCI_DEBUG=y
+CONFIG_PCI_ENDPOINT=y
+CONFIG_CONNECTOR=y
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_RAM=y
+CONFIG_MTD_ROM=y
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_BLOCK2MTD=y
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_BLOCK=y
+CONFIG_NETDEVICES=y
+CONFIG_MACVLAN=y
+CONFIG_IPVLAN=y
+CONFIG_MACB=y
+CONFIG_MARVELL_PHY=y
+CONFIG_MICREL_PHY=y
+CONFIG_CAN_M_CAN=y
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+CONFIG_PINCTRL=y
+CONFIG_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_CADENCE=y
+CONFIG_RESET_CONTROLLER=y
+CONFIG_FANOTIFY=y
+CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_BOTH=y
+CONFIG_PAGE_SIZE_16KB=y
\ No newline at end of file
diff --git a/arch/mips/generic/Kconfig b/arch/mips/generic/Kconfig
index 7dc5b3821cc6e..04e1fc6f789b5 100644
--- a/arch/mips/generic/Kconfig
+++ b/arch/mips/generic/Kconfig
@@ -48,6 +48,13 @@ config SOC_VCOREIII
 config MSCC_OCELOT
 	bool
 
+config SOC_EYEQ5
+	select ARM_AMBA
+	select WEAK_ORDERING
+	select WEAK_REORDERING_BEYOND_LLSC
+	select PHYSICAL_START_BOOL
+	bool
+
 comment "FIT/UHI Boards"
 
 config FIT_IMAGE_FDT_BOSTON
@@ -124,4 +131,12 @@ config VIRT_BOARD_RANCHU
 	  Android emulator. Android emulator is based on Qemu, and contains
 	  the support for the same set of virtual devices.
 
+config FIT_IMAGE_FDT_EPM5
+	bool "Include FDT for Mobileye EyeQ5 development platforms"
+	select SOC_EYEQ5
+	default n
+	help
+	  Enable this to include the FDT for the EyeQ5 development platforms
+	  from Mobileye in the FIT kernel image.
+	  This requires u-boot on the platform.
 endif
diff --git a/arch/mips/generic/Platform b/arch/mips/generic/Platform
index 0c03623f38970..45db9824a11d6 100644
--- a/arch/mips/generic/Platform
+++ b/arch/mips/generic/Platform
@@ -24,3 +24,5 @@ its-$(CONFIG_FIT_IMAGE_FDT_JAGUAR2)	+= board-jaguar2.its.S
 its-$(CONFIG_FIT_IMAGE_FDT_SERVAL)	+= board-serval.its.S
 its-$(CONFIG_FIT_IMAGE_FDT_XILFPGA)	+= board-xilfpga.its.S
 its-$(CONFIG_FIT_IMAGE_FDT_MARDUK)	+= board-marduk.its.S
+its-$(CONFIG_FIT_IMAGE_FDT_EPM5)	+= board-epm5.its.S
+
diff --git a/arch/mips/generic/board-epm5.its.S b/arch/mips/generic/board-epm5.its.S
new file mode 100644
index 0000000000000..08e8c4f183d63
--- /dev/null
+++ b/arch/mips/generic/board-epm5.its.S
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/ {
+	images {
+		fdt-mobileye-epm5 {
+			description = "Mobileeye MP5 Device Tree";
+			data = /incbin/("boot/dts/mobileye/eyeq5-epm5.dtb");
+			type = "flat_dt";
+			arch = "mips";
+			compression = "none";
+			hash {
+				algo = "sha1";
+			};
+		};
+	};
+
+    configurations {
+		default = "conf-1";
+		conf-1 {
+			description = "Mobileye EPM5 Linux kernel";
+			kernel = "kernel";
+			fdt = "fdt-mobileye-epm5";
+		};
+	};
+};
-- 
2.42.0