From d67b0661e27912e01a407e3517e28d20f3160dd2 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Mon, 29 Apr 2019 14:17:07 +0200 Subject: arm: add basic support for the Armada XP DB platform Signed-off-by: Sascha Hauer --- arch/arm/boards/Makefile | 1 + arch/arm/boards/marvell-armada-xp-db/Makefile | 2 ++ arch/arm/boards/marvell-armada-xp-db/board.c | 31 +++++++++++++++++++++ arch/arm/boards/marvell-armada-xp-db/kwbimage.cfg | 3 +++ arch/arm/boards/marvell-armada-xp-db/lowlevel.c | 33 +++++++++++++++++++++++ arch/arm/dts/Makefile | 2 +- arch/arm/dts/armada-xp-db-bb.dts | 12 +++++++++ arch/arm/mach-mvebu/Kconfig | 4 +++ 8 files changed, 87 insertions(+), 1 deletion(-) create mode 100644 arch/arm/boards/marvell-armada-xp-db/Makefile create mode 100644 arch/arm/boards/marvell-armada-xp-db/board.c create mode 100644 arch/arm/boards/marvell-armada-xp-db/kwbimage.cfg create mode 100644 arch/arm/boards/marvell-armada-xp-db/lowlevel.c create mode 100644 arch/arm/dts/armada-xp-db-bb.dts (limited to 'arch') diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile index 91f17374c9..cbd6bd1ed6 100644 --- a/arch/arm/boards/Makefile +++ b/arch/arm/boards/Makefile @@ -68,6 +68,7 @@ obj-$(CONFIG_MACH_LENOVO_IX4_300D) += lenovo-ix4-300d/ obj-$(CONFIG_MACH_LUBBOCK) += lubbock/ obj-$(CONFIG_MACH_MAINSTONE) += mainstone/ obj-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP) += marvell-armada-xp-gp/ +obj-$(CONFIG_MACH_MARVELL_ARMADA_XP_DB) += marvell-armada-xp-db/ obj-$(CONFIG_MACH_MB7707) += module-mb7707/ obj-$(CONFIG_MACH_MIOA701) += mioa701/ obj-$(CONFIG_MACH_MX23EVK) += freescale-mx23-evk/ diff --git a/arch/arm/boards/marvell-armada-xp-db/Makefile b/arch/arm/boards/marvell-armada-xp-db/Makefile new file mode 100644 index 0000000000..01c7a259e9 --- /dev/null +++ b/arch/arm/boards/marvell-armada-xp-db/Makefile @@ -0,0 +1,2 @@ +obj-y += board.o +lwl-y += lowlevel.o diff --git a/arch/arm/boards/marvell-armada-xp-db/board.c b/arch/arm/boards/marvell-armada-xp-db/board.c new file mode 100644 index 0000000000..4591c6bb65 --- /dev/null +++ b/arch/arm/boards/marvell-armada-xp-db/board.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright + * (C) 2019 Sascha Hauer + */ + +#include +#include +#include + +static int pinctrl_init(void) +{ + if (!of_machine_is_compatible("marvell,axp-db")) + return 0; + + /* IOMUX setup for the poor */ + writel(0x11111111, 0xf1018000); + writel(0x22221111, 0xf1018004); + writel(0x22222222, 0xf1018008); + writel(0x11040000, 0xf101800c); + writel(0x11111111, 0xf1018010); + writel(0x04221130, 0xf1018014); + writel(0x11111113, 0xf1018018); + writel(0x11111101, 0xf101801c); + + writel(0x7fffffe1, 0xf1020184); + writel(0x00010008, 0xf1020258); + + return 0; +} +coredevice_initcall(pinctrl_init); diff --git a/arch/arm/boards/marvell-armada-xp-db/kwbimage.cfg b/arch/arm/boards/marvell-armada-xp-db/kwbimage.cfg new file mode 100644 index 0000000000..28e60e2f18 --- /dev/null +++ b/arch/arm/boards/marvell-armada-xp-db/kwbimage.cfg @@ -0,0 +1,3 @@ +VERSION 1 +BOOT_FROM uart +BINARY ./binary.0 0000005b 00000000 diff --git a/arch/arm/boards/marvell-armada-xp-db/lowlevel.c b/arch/arm/boards/marvell-armada-xp-db/lowlevel.c new file mode 100644 index 0000000000..4752bbf1b4 --- /dev/null +++ b/arch/arm/boards/marvell-armada-xp-db/lowlevel.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright + * (C) 2019 Sascha Hauer + */ + +#include +#include +#include +#include +#include +#include + +extern char __dtb_armada_xp_db_bb_start[]; + +ENTRY_FUNCTION(start_marvell_armada_xp_db, r0, r1, r2) +{ + void *fdt; + uint32_t reg; + void __iomem *base = mvebu_get_initial_int_reg_base(); + + arm_cpu_lowlevel_init(); + + /* enable L2 parity and ECC */ +#define L2_AUX_CONTRL_ADDRESS (base + 0x8104) + reg = readl(L2_AUX_CONTRL_ADDRESS); + reg |= 3 << 20; + writel(0x1a09ef00, L2_AUX_CONTRL_ADDRESS); + + fdt = __dtb_armada_xp_db_bb_start + get_runtime_offset(); + + armada_370_xp_barebox_entry(fdt); +} diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 1c6129816d..29c8fd00f3 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -35,7 +35,7 @@ pbl-dtb-$(CONFIG_MACH_GW_VENTANA) += imx6q-gw54xx.dtb.o pbl-dtb-$(CONFIG_MACH_KONTRON_SAMX6I) += imx6q-samx6i.dtb.o \ imx6dl-samx6i.dtb.o pbl-dtb-$(CONFIG_MACH_LENOVO_IX4_300D) += armada-xp-lenovo-ix4-300d-bb.dtb.o -pbl-dtb-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP) += armada-xp-gp-bb.dtb.o +pbl-dtb-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP) += armada-xp-gp-bb.dtb.o armada-xp-db-bb.dtb.o pbl-dtb-$(CONFIG_MACH_NETGEAR_RN104) += armada-370-rn104-bb.dtb.o pbl-dtb-$(CONFIG_MACH_NETGEAR_RN2120) += armada-xp-rn2120-bb.dtb.o pbl-dtb-$(CONFIG_MACH_NITROGEN6) += imx6q-nitrogen6x.dtb.o imx6dl-nitrogen6x.dtb.o imx6qp-nitrogen6_max.dtb.o diff --git a/arch/arm/dts/armada-xp-db-bb.dts b/arch/arm/dts/armada-xp-db-bb.dts new file mode 100644 index 0000000000..7201f4aaa1 --- /dev/null +++ b/arch/arm/dts/armada-xp-db-bb.dts @@ -0,0 +1,12 @@ +/* + * Barebox specific DT overlay for Marvell Armada XP DB-MV784MP-GP + * Sebastian Hesselbarth + */ + +#include "arm/armada-xp-db.dts" + +/ { + chosen { + stdout-path = "/soc/internal-regs/serial@12000"; + }; +}; diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig index ad97e83701..bab22f07ff 100644 --- a/arch/arm/mach-mvebu/Kconfig +++ b/arch/arm/mach-mvebu/Kconfig @@ -56,6 +56,10 @@ config MACH_LENOVO_IX4_300D bool "Lenovo Iomega ix4-300d" select ARCH_ARMADA_XP +config MACH_MARVELL_ARMADA_XP_DB + bool "Marvell Armada XP DB" + select ARCH_ARMADA_XP + config MACH_MARVELL_ARMADA_XP_GP bool "Marvell Armada XP GP" select ARCH_ARMADA_XP -- cgit v1.2.3