[PATCH 2/2] i.MX6ull evk support
Sascha Hauer
s.hauer at pengutronix.de
Wed Sep 27 05:16:57 PDT 2017
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 <s.hauer at pengutronix.de>
---
arch/arm/boards/Makefile | 1 +
arch/arm/boards/nxp-imx6ull-evk/Makefile | 2 +
arch/arm/boards/nxp-imx6ull-evk/board.c | 61 +++++++++++++++++
.../flash-header-nxp-imx6ull-evk.imxcfg | 77 ++++++++++++++++++++++
arch/arm/boards/nxp-imx6ull-evk/lowlevel.c | 75 +++++++++++++++++++++
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, 260 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..77e76ce024
--- /dev/null
+++ b/arch/arm/boards/nxp-imx6ull-evk/board.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2017 Michael Grzeschik, 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 <asm/armlinux.h>
+#include <asm/io.h>
+#include <bootsource.h>
+#include <common.h>
+#include <environment.h>
+#include <envfs.h>
+#include <gpio.h>
+#include <init.h>
+#include <mach/generic.h>
+#include <mach/imx6-regs.h>
+#include <mach/imx6.h>
+#include <mach/bbu.h>
+#include <linux/sizes.h>
+#include <linux/phy.h>
+#include <mfd/imx6q-iomuxc-gpr.h>
+
+#include <linux/micrel_phy.h>
+
+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..53270d0dc3
--- /dev/null
+++ b/arch/arm/boards/nxp-imx6ull-evk/flash-header-nxp-imx6ull-evk.imxcfg
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Refer doc/README.imximage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+
+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..bb0906560c
--- /dev/null
+++ b/arch/arm/boards/nxp-imx6ull-evk/lowlevel.c
@@ -0,0 +1,75 @@
+/*
+ * 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 <common.h>
+#include <linux/sizes.h>
+#include <mach/generic.h>
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+#include <mach/imx6-regs.h>
+#include <io.h>
+#include <debug_ll.h>
+#include <mach/esdctl.h>
+#include <asm/cache.h>
+#include <asm/sections.h>
+#include <image-metadata.h>
+
+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)
+{
+
+ imx6ull_cpu_lowlevel_init();
+
+ arm_setup_stack(0x00910000 - 8);
+
+ arm_early_mmu_cache_invalidate();
+
+ relocate_to_current_adr();
+ setup_c();
+ barrier();
+
+ 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 <arm/imx6ull-14x14-evk.dts>
+
+/{
+ chosen {
+ environment at 0 {
+ compatible = "barebox,environment";
+ device-path = &environment_usdhc2;
+ };
+ };
+};
+
+&usdhc2 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition at 0 {
+ label = "barebox";
+ reg = <0x0 0xc0000>;
+ };
+
+ environment_usdhc2: partition at 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
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