From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dxVrF-00034q-QF for barebox@lists.infradead.org; Thu, 28 Sep 2017 10:15:57 +0000 From: Sascha Hauer Date: Thu, 28 Sep 2017 12:15:31 +0200 Message-Id: <20170928101531.5333-3-s.hauer@pengutronix.de> In-Reply-To: <20170928101531.5333-1-s.hauer@pengutronix.de> References: <20170928101531.5333-1-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 2/2] ARM: Add i.MX6ull evk support To: Barebox List The i.MX6ull-EVK is a evaluation board for the i.MX6ull from NXP. The upstream DTS is used, support should be fairly complete: - 2x fec ethernet - 1x USB Host - 1x USB OTG - 2x SD Signed-off-by: Sascha Hauer --- arch/arm/boards/Makefile | 1 + arch/arm/boards/nxp-imx6ull-evk/Makefile | 2 + arch/arm/boards/nxp-imx6ull-evk/board.c | 50 +++++++++++++++ .../flash-header-nxp-imx6ull-evk.imxcfg | 75 ++++++++++++++++++++++ arch/arm/boards/nxp-imx6ull-evk/lowlevel.c | 74 +++++++++++++++++++++ arch/arm/dts/Makefile | 1 + arch/arm/dts/imx6ull-14x14-evk.dts | 29 +++++++++ arch/arm/mach-imx/Kconfig | 8 +++ arch/arm/mach-imx/include/mach/imx6-regs.h | 1 + images/Makefile.imx | 5 ++ 10 files changed, 246 insertions(+) create mode 100644 arch/arm/boards/nxp-imx6ull-evk/Makefile create mode 100644 arch/arm/boards/nxp-imx6ull-evk/board.c create mode 100644 arch/arm/boards/nxp-imx6ull-evk/flash-header-nxp-imx6ull-evk.imxcfg create mode 100644 arch/arm/boards/nxp-imx6ull-evk/lowlevel.c create mode 100644 arch/arm/dts/imx6ull-14x14-evk.dts diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile index d6011adb28..456e6fea4b 100644 --- a/arch/arm/boards/Makefile +++ b/arch/arm/boards/Makefile @@ -78,6 +78,7 @@ obj-$(CONFIG_MACH_NOMADIK_8815NHK) += nhk8815/ obj-$(CONFIG_MACH_NVIDIA_BEAVER) += nvidia-beaver/ obj-$(CONFIG_MACH_NVIDIA_JETSON) += nvidia-jetson-tk1/ obj-$(CONFIG_MACH_NXDB500) += netx/ +obj-$(CONFIG_MACH_NXP_IMX6ULL_EVK) += nxp-imx6ull-evk/ obj-$(CONFIG_MACH_OMAP343xSDP) += omap343xdsp/ obj-$(CONFIG_MACH_OMAP3EVM) += omap3evm/ obj-$(CONFIG_MACH_PANDA) += panda/ diff --git a/arch/arm/boards/nxp-imx6ull-evk/Makefile b/arch/arm/boards/nxp-imx6ull-evk/Makefile new file mode 100644 index 0000000000..01c7a259e9 --- /dev/null +++ b/arch/arm/boards/nxp-imx6ull-evk/Makefile @@ -0,0 +1,2 @@ +obj-y += board.o +lwl-y += lowlevel.o diff --git a/arch/arm/boards/nxp-imx6ull-evk/board.c b/arch/arm/boards/nxp-imx6ull-evk/board.c new file mode 100644 index 0000000000..a0ca268f82 --- /dev/null +++ b/arch/arm/boards/nxp-imx6ull-evk/board.c @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2017 Sascha Hauer, Pengutronix + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation. + * + */ + +#include +#include +#include +#include + +#include + +static int ksz8081_phy_fixup(struct phy_device *dev) +{ + phy_write(dev, 0x1f, 0x8190); + phy_write(dev, 0x16, 0x202); + + return 0; +} + +static int nxp_imx6ull_evk_init(void) +{ + if (!of_machine_is_compatible("fsl,imx6ull-14x14-evk")) + return 0; + + phy_register_fixup_for_uid(PHY_ID_KSZ8081, MICREL_PHY_ID_MASK, + ksz8081_phy_fixup); + + imx6_bbu_internal_mmc_register_handler("mmc", "/dev/mmc1.barebox", + BBU_HANDLER_FLAG_DEFAULT); + + barebox_set_hostname("imx6ull-evk"); + + return 0; +} +device_initcall(nxp_imx6ull_evk_init); diff --git a/arch/arm/boards/nxp-imx6ull-evk/flash-header-nxp-imx6ull-evk.imxcfg b/arch/arm/boards/nxp-imx6ull-evk/flash-header-nxp-imx6ull-evk.imxcfg new file mode 100644 index 0000000000..a507ab3e24 --- /dev/null +++ b/arch/arm/boards/nxp-imx6ull-evk/flash-header-nxp-imx6ull-evk.imxcfg @@ -0,0 +1,75 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + * + * Values taken from U-Boot-2017.07-rc1 + * + */ + +loadaddr 0x80000000 +soc imx6 +dcdofs 0x400 + +/* Enable all clocks */ +wm 32 0x020c4068 0xffffffff +wm 32 0x020c406c 0xffffffff +wm 32 0x020c4070 0xffffffff +wm 32 0x020c4074 0xffffffff +wm 32 0x020c4078 0xffffffff +wm 32 0x020c407c 0xffffffff +wm 32 0x020c4080 0xffffffff + +wm 32 0x020e04b4 0x000c0000 +wm 32 0x020e04ac 0x00000000 +wm 32 0x020e027c 0x00000030 +wm 32 0x020e0250 0x00000030 +wm 32 0x020e024c 0x00000030 +wm 32 0x020e0490 0x00000030 +wm 32 0x020e0288 0x000c0030 +wm 32 0x020e0270 0x00000000 +wm 32 0x020e0260 0x00000030 +wm 32 0x020e0264 0x00000030 +wm 32 0x020e04a0 0x00000030 +wm 32 0x020e0494 0x00020000 +wm 32 0x020e0280 0x00000030 +wm 32 0x020e0284 0x00000030 +wm 32 0x020e04b0 0x00020000 +wm 32 0x020e0498 0x00000030 +wm 32 0x020e04a4 0x00000030 +wm 32 0x020e0244 0x00000030 +wm 32 0x020e0248 0x00000030 +wm 32 0x021b001c 0x00008000 +wm 32 0x021b0800 0xa1390003 +wm 32 0x021b080c 0x00000004 +wm 32 0x021b083c 0x41640158 +wm 32 0x021b0848 0x40403237 +wm 32 0x021b0850 0x40403c33 +wm 32 0x021b081c 0x33333333 +wm 32 0x021b0820 0x33333333 +wm 32 0x021b082c 0xf3333333 +wm 32 0x021b0830 0xf3333333 +wm 32 0x021b08c0 0x00944009 +wm 32 0x021b08b8 0x00000800 +wm 32 0x021b0004 0x0002002d +wm 32 0x021b0008 0x1b333030 +wm 32 0x021b000c 0x676b52f3 +wm 32 0x021b0010 0xb66d0b63 +wm 32 0x021b0014 0x01ff00db +wm 32 0x021b0018 0x00201740 +wm 32 0x021b001c 0x00008000 +wm 32 0x021b002c 0x000026d2 +wm 32 0x021b0030 0x006b1023 +wm 32 0x021b0040 0x0000004f +wm 32 0x021b0000 0x84180000 +wm 32 0x021b0890 0x00400000 +wm 32 0x021b001c 0x02008032 +wm 32 0x021b001c 0x00008033 +wm 32 0x021b001c 0x00048031 +wm 32 0x021b001c 0x15208030 +wm 32 0x021b001c 0x04008040 +wm 32 0x021b0020 0x00000800 +wm 32 0x021b0818 0x00000227 +wm 32 0x021b0004 0x0002552d +wm 32 0x021b0404 0x00011006 +wm 32 0x021b001c 0x00000000 diff --git a/arch/arm/boards/nxp-imx6ull-evk/lowlevel.c b/arch/arm/boards/nxp-imx6ull-evk/lowlevel.c new file mode 100644 index 0000000000..bb2e3623dc --- /dev/null +++ b/arch/arm/boards/nxp-imx6ull-evk/lowlevel.c @@ -0,0 +1,74 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static inline void setup_uart(void) +{ + void __iomem *iomuxbase = IOMEM(MX6_IOMUXC_BASE_ADDR); + void __iomem *uart = IOMEM(MX6_UART1_BASE_ADDR); + + imx6_ungate_all_peripherals(); + + writel(0x0, iomuxbase + 0x84); + writel(0x1b0b1, iomuxbase + 0x0310); + + writel(0x0, iomuxbase + 0x88); + writel(0x1b0b0, iomuxbase + 0x0314); + + writel(0x3, iomuxbase + 0x624); + + imx6_uart_setup(uart); + + pbl_set_putc(imx_uart_putc, uart); + + putc_ll('>'); +} + +extern char __dtb_imx6ull_14x14_evk_start[]; + +static noinline void nxp_imx6_ull(void) +{ + imx6ul_barebox_entry(__dtb_imx6ull_14x14_evk_start); +} + +ENTRY_FUNCTION(start_nxp_imx6ull_evk, r0, r1, r2) +{ + + imx6ul_cpu_lowlevel_init(); + + arm_setup_stack(0x00910000 - 8); + + arm_early_mmu_cache_invalidate(); + + relocate_to_current_adr(); + setup_c(); + + setup_uart(); + + /* disable all watchdog powerdown counters */ + writew(0x0, IOMEM(MX6_WDOG1_BASE_ADDR + 0x8)); + writew(0x0, IOMEM(MX6_WDOG2_BASE_ADDR + 0x8)); + writew(0x0, IOMEM(MX6ULL_WDOG3_BASE_ADDR + 0x8)); + + nxp_imx6_ull(); +} diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index cf9d8ea940..33b2fff0f7 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -80,6 +80,7 @@ pbl-dtb-$(CONFIG_MACH_SOLIDRUN_MICROSOM) += imx6dl-hummingboard.dtb.o imx6q-humm imx6q-h100.dtb.o pbl-dtb-$(CONFIG_MACH_TECHNEXION_WANDBOARD) += imx6q-wandboard.dtb.o imx6dl-wandboard.dtb.o pbl-dtb-$(CONFIG_MACH_TECHNEXION_PICO_HOBBIT) += imx6ul-pico-hobbit.dtb.o +pbl-dtb-$(CONFIG_MACH_NXP_IMX6ULL_EVK) += imx6ull-14x14-evk.dtb.o pbl-dtb-$(CONFIG_MACH_TORADEX_COLIBRI_T20) += tegra20-colibri-iris.dtb.o pbl-dtb-$(CONFIG_MACH_TOSHIBA_AC100) += tegra20-paz00.dtb.o pbl-dtb-$(CONFIG_MACH_TQMA53) += imx53-mba53.dtb.o diff --git a/arch/arm/dts/imx6ull-14x14-evk.dts b/arch/arm/dts/imx6ull-14x14-evk.dts new file mode 100644 index 0000000000..9afe6402a2 --- /dev/null +++ b/arch/arm/dts/imx6ull-14x14-evk.dts @@ -0,0 +1,29 @@ +#include + +/{ + chosen { + environment@0 { + compatible = "barebox,environment"; + device-path = &environment_usdhc2; + }; + }; +}; + +&usdhc2 { + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "barebox"; + reg = <0x0 0xc0000>; + }; + + environment_usdhc2: partition@c0000 { + label = "barebox-environment"; + reg = <0xc0000 0x40000>; + }; +}; + +&ocotp { + barebox,provide-mac-address = <&fec1 0x620 &fec2 0x632>; +}; diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 92440e3a75..dab19a33ec 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -162,6 +162,10 @@ config ARCH_IMX6UL bool select ARCH_IMX6 +config ARCH_IMX6ULL + bool + select ARCH_IMX6 + config ARCH_IMX7 bool select CPU_V7 @@ -414,6 +418,10 @@ config MACH_FREESCALE_MX7_SABRESD https://goo.gl/6EKGdk +config MACH_NXP_IMX6ULL_EVK + bool "NXP i.MX6ull EVK Board" + select ARCH_IMX6ULL + endif # ---------------------------------------------------------- diff --git a/arch/arm/mach-imx/include/mach/imx6-regs.h b/arch/arm/mach-imx/include/mach/imx6-regs.h index e661c4ed12..ac2aa2109f 100644 --- a/arch/arm/mach-imx/include/mach/imx6-regs.h +++ b/arch/arm/mach-imx/include/mach/imx6-regs.h @@ -107,6 +107,7 @@ #define MX6_MIPI_CSI2_BASE_ADDR (MX6_AIPS2_OFF_BASE_ADDR + 0x5C000) #define MX6_MIPI_DSI_BASE_ADDR (MX6_AIPS2_OFF_BASE_ADDR + 0x60000) #define MX6_VDOA_BASE_ADDR (MX6_AIPS2_OFF_BASE_ADDR + 0x64000) +#define MX6ULL_WDOG3_BASE_ADDR (MX6_AIPS2_OFF_BASE_ADDR + 0x64000) #define MX6_UART2_BASE_ADDR (MX6_AIPS2_OFF_BASE_ADDR + 0x68000) #define MX6_UART3_BASE_ADDR (MX6_AIPS2_OFF_BASE_ADDR + 0x6C000) #define MX6_UART4_BASE_ADDR (MX6_AIPS2_OFF_BASE_ADDR + 0x70000) diff --git a/images/Makefile.imx b/images/Makefile.imx index e9176022bf..76e91ebd7d 100644 --- a/images/Makefile.imx +++ b/images/Makefile.imx @@ -325,6 +325,11 @@ CFG_start_imx6ul_pico_hobbit_512mb.pblx.imximg = $(board)/technexion-pico-hobbit FILE_barebox-imx6ul-pico-hobbit-512mb.img = start_imx6ul_pico_hobbit_512mb.pblx.imximg image-$(CONFIG_MACH_TECHNEXION_PICO_HOBBIT) += barebox-imx6ul-pico-hobbit-512mb.img +pblx-$(CONFIG_MACH_NXP_IMX6ULL_EVK) += start_nxp_imx6ull_evk +CFG_start_nxp_imx6ull_evk.pblx.imximg = $(board)/nxp-imx6ull-evk/flash-header-nxp-imx6ull-evk.imxcfg +FILE_barebox-nxp-imx6ull-evk.img = start_nxp_imx6ull_evk.pblx.imximg +image-$(CONFIG_MACH_NXP_IMX6ULL_EVK) += barebox-nxp-imx6ull-evk.img + pblx-$(CONFIG_MACH_NITROGEN6) += start_imx6q_nitrogen6x_1g CFG_start_imx6q_nitrogen6x_1g.pblx.imximg = $(board)/boundarydevices-nitrogen6/flash-header-nitrogen6q-1g.imxcfg FILE_barebox-boundarydevices-imx6q-nitrogen6x-1g.img = start_imx6q_nitrogen6x_1g.pblx.imximg -- 2.11.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox