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From: "Uwe Kleine-König" <uwe@kleine-koenig.org>
To: barebox@lists.infradead.org
Cc: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Subject: [PATCH] ARM: imx: add support for Udoo Neo full
Date: Tue, 27 Jun 2017 21:03:17 +0200	[thread overview]
Message-ID: <20170627190317.19253-1-uwe@kleine-koenig.org> (raw)

From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
Hello,

note that this patch only makes the machine work if you don't choose
CONSOLE_ACTIVATE_NONE or apply these patches:

	of_device_is_stdout_path: simplify
	of_device_is_stdout_path: split off options and support aliases

that currently sit in next as 0e193b668479 and 23522645b3b3. That's
because the (upstream) dts has:

	stdout-path = "serial0:115200n8";

in /chosen that of_device_is_stdout_path doesn't understand without
these.

Best regards
Uwe

 arch/arm/boards/Makefile                           |   1 +
 arch/arm/boards/udoo-neo/Makefile                  |   2 +
 arch/arm/boards/udoo-neo/board.c                   |  27 +++++
 .../flash-header-mx6sx-udoo-neo_full.imxcfg        | 124 +++++++++++++++++++++
 arch/arm/boards/udoo-neo/lowlevel.c                |  39 +++++++
 arch/arm/dts/Makefile                              |   1 +
 arch/arm/dts/imx6sx-udoo-neo-full.dts              |   4 +
 arch/arm/mach-imx/Kconfig                          |   4 +
 arch/arm/mach-imx/include/mach/esdctl.h            |   1 +
 images/Makefile.imx                                |   5 +
 10 files changed, 208 insertions(+)
 create mode 100644 arch/arm/boards/udoo-neo/Makefile
 create mode 100644 arch/arm/boards/udoo-neo/board.c
 create mode 100644 arch/arm/boards/udoo-neo/flash-header-mx6sx-udoo-neo_full.imxcfg
 create mode 100644 arch/arm/boards/udoo-neo/lowlevel.c
 create mode 100644 arch/arm/dts/imx6sx-udoo-neo-full.dts

diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index 0ecfb3e4b398..98f923a134a0 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -130,6 +130,7 @@ obj-$(CONFIG_MACH_TX51)				+= karo-tx51/
 obj-$(CONFIG_MACH_TX53)				+= karo-tx53/
 obj-$(CONFIG_MACH_TX6X)				+= karo-tx6x/
 obj-$(CONFIG_MACH_UDOO)				+= udoo/
+obj-$(CONFIG_MACH_UDOO_NEO)			+= udoo-neo/
 obj-$(CONFIG_MACH_USB_A9260)			+= usb-a926x/
 obj-$(CONFIG_MACH_USB_A9263)			+= usb-a926x/
 obj-$(CONFIG_MACH_USB_A9G20)			+= usb-a926x/
diff --git a/arch/arm/boards/udoo-neo/Makefile b/arch/arm/boards/udoo-neo/Makefile
new file mode 100644
index 000000000000..01c7a259e9a5
--- /dev/null
+++ b/arch/arm/boards/udoo-neo/Makefile
@@ -0,0 +1,2 @@
+obj-y += board.o
+lwl-y += lowlevel.o
diff --git a/arch/arm/boards/udoo-neo/board.c b/arch/arm/boards/udoo-neo/board.c
new file mode 100644
index 000000000000..9bf480305d70
--- /dev/null
+++ b/arch/arm/boards/udoo-neo/board.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2014 Pengutronix, Sascha Hauer
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2, as published by the Free Software Foundation.
+ *
+ * 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 <init.h>
+#include <linux/clk.h>
+
+static int imx6sx_udoneo_coredevices_init(void)
+{
+	if (!of_machine_is_compatible("fsl,imx6sx-udoo-neo"))
+		return 0;
+
+	barebox_set_hostname("mx6sx-udooneo");
+
+	return 0;
+}
+coredevice_initcall(imx6sx_udoneo_coredevices_init);
diff --git a/arch/arm/boards/udoo-neo/flash-header-mx6sx-udoo-neo_full.imxcfg b/arch/arm/boards/udoo-neo/flash-header-mx6sx-udoo-neo_full.imxcfg
new file mode 100644
index 000000000000..176aff49b3ec
--- /dev/null
+++ b/arch/arm/boards/udoo-neo/flash-header-mx6sx-udoo-neo_full.imxcfg
@@ -0,0 +1,124 @@
+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 0x020c4084 0xffffffff
+/********************************************/
+
+/* IOMUX */
+/* DDR IO TYPE */
+wm 32 0x020e0618 0x000c0000
+wm 32 0x020e05fc 0x00000000
+/********************************************/
+
+/* CLOCK */
+wm 32 0x020e032c 0x00000030
+/********************************************/
+
+/* ADDRESS */
+wm 32 0x020e0300 0x00000020
+wm 32 0x020e02fc 0x00000020
+wm 32 0x020e05f4 0x00000020
+/********************************************/
+
+/* CONTROL */
+wm 32 0x020e0340 0x00000020
+
+wm 32 0x020e0320 0x00000000
+wm 32 0x020e0310 0x00000020
+wm 32 0x020e0314 0x00000020
+wm 32 0x020e0614 0x00000020
+/********************************************/
+
+/* DATA STROBE */
+wm 32 0x020e05f8 0x00020000
+wm 32 0x020e0330 0x00000028
+wm 32 0x020e0334 0x00000028
+wm 32 0x020e0338 0x00000028
+wm 32 0x020e033c 0x00000028
+/********************************************/
+
+/* DATA */
+wm 32 0x020e0608 0x00020000
+wm 32 0x020e060c 0x00000028
+wm 32 0x020e0610 0x00000028
+wm 32 0x020e061c 0x00000028
+wm 32 0x020e0620 0x00000028
+wm 32 0x020e02ec 0x00000028
+wm 32 0x020e02f0 0x00000028
+wm 32 0x020e02f4 0x00000028
+wm 32 0x020e02f8 0x00000028
+/********************************************/
+
+/* Calibrations */
+/* ZQ */
+wm 32 0x021b0800 0xa1390003
+/********************************************/
+
+/* write leveling */
+wm 32 0x021b080c 0x001E0022
+wm 32 0x021b0810 0x001C0019
+/********************************************/
+
+/* DQS Read Gate */
+wm 32 0x021b083c 0x41540150
+wm 32 0x021b0840 0x01440138
+/********************************************/
+
+/* Read/Write Delay */
+wm 32 0x021b0848 0x403E4644
+wm 32 0x021b0850 0x3C3A4038
+/********************************************/
+
+/* read data bit delay */
+wm 32 0x021b081c 0x33333333
+wm 32 0x021b0820 0x33333333
+wm 32 0x021b0824 0x33333333
+wm 32 0x021b0828 0x33333333
+/********************************************/
+
+/* Complete calibration by forced measurment */
+wm 32 0x021b08b8 0x00000800
+/********************************************/
+
+/* MMDC init */
+/* in DDR3, 64-bit mode, only MMDC0 is initiated */
+wm 32 0x021b0004 0x0002002d
+wm 32 0x021b0008 0x00333030
+wm 32 0x021b000c 0x676b52f3
+wm 32 0x021b0010 0xb66d8b63
+wm 32 0x021b0014 0x01ff00db
+wm 32 0x021b0018 0x00011740
+wm 32 0x021b001c 0x00008000
+wm 32 0x021b002c 0x000026d2
+wm 32 0x021b0030 0x006b1023
+wm 32 0x021b0040 0x0000005f
+wm 32 0x021b0000 0x83190000
+/********************************************/
+
+/* Initialize MT41K256M16HA-125 */
+/* MR2 */
+wm 32 0x021b001c 0x04008032
+/* MR3 */
+wm 32 0x021b001c 0x00008033
+/* MR1 */
+wm 32 0x021b001c 0x00048031
+/* MR0 */
+wm 32 0x021b001c 0x05208030
+/* DDR device ZQ calibration */
+wm 32 0x021b001c 0x04008040
+/********************************************/
+
+/* final DDR setup, before operation start */
+wm 32 0x021b0020 0x00000800
+wm 32 0x021b0818 0x00011117
+wm 32 0x021b001c 0x00000000
+/********************************************/
diff --git a/arch/arm/boards/udoo-neo/lowlevel.c b/arch/arm/boards/udoo-neo/lowlevel.c
new file mode 100644
index 000000000000..e78c2685fd78
--- /dev/null
+++ b/arch/arm/boards/udoo-neo/lowlevel.c
@@ -0,0 +1,39 @@
+#include <debug_ll.h>
+#include <common.h>
+#include <linux/sizes.h>
+#include <mach/generic.h>
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+#include <mach/esdctl.h>
+
+static inline void setup_uart(void)
+{
+	void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR;
+
+	imx6_ungate_all_peripherals();
+
+	writel(0x0, iomuxbase + 0x24);
+	writel(0x1b0b1, iomuxbase + 0x036C);
+	writel(0x0, iomuxbase + 0x28);
+	writel(0x1b0b1, iomuxbase + 0x0370);
+
+	imx6_uart_setup_ll();
+
+	putc_ll('>');
+}
+
+extern char __dtb_imx6sx_udoo_neo_full_start[];
+
+ENTRY_FUNCTION(start_imx6sx_udoo_neo, r0, r1, r2)
+{
+	void *fdt;
+
+	imx6_cpu_lowlevel_init();
+
+	if (IS_ENABLED(CONFIG_DEBUG_LL))
+		setup_uart();
+
+	fdt = __dtb_imx6sx_udoo_neo_full_start - get_runtime_offset();
+
+	imx6sx_barebox_entry(fdt);
+}
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 2342d35a4bd1..3129a7dfbce1 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -82,6 +82,7 @@ pbl-dtb-$(CONFIG_MACH_TX25) += imx25-karo-tx25.dtb.o
 pbl-dtb-$(CONFIG_MACH_TX6X) += imx6dl-tx6u.dtb.o
 pbl-dtb-$(CONFIG_MACH_TX6X) += imx6q-tx6q.dtb.o
 pbl-dtb-$(CONFIG_MACH_UDOO) += imx6q-udoo.dtb.o
+pbl-dtb-$(CONFIG_MACH_UDOO_NEO) += imx6sx-udoo-neo-full.dtb.o
 pbl-dtb-$(CONFIG_MACH_USI_TOPKICK) += kirkwood-topkick-bb.dtb.o
 pbl-dtb-$(CONFIG_MACH_VARISCITE_MX6) += imx6q-var-custom.dtb.o
 pbl-dtb-$(CONFIG_MACH_VSCOM_BALTOS) += am335x-baltos-minimal.dtb.o
diff --git a/arch/arm/dts/imx6sx-udoo-neo-full.dts b/arch/arm/dts/imx6sx-udoo-neo-full.dts
new file mode 100644
index 000000000000..9203d40207c5
--- /dev/null
+++ b/arch/arm/dts/imx6sx-udoo-neo-full.dts
@@ -0,0 +1,4 @@
+#include <arm/imx6sx-udoo-neo-full.dts>
+
+/{
+};
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 80f53ce124c1..c0aa74c93a33 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -356,6 +356,10 @@ config MACH_UDOO
 	bool "Freescale i.MX6 UDOO Board"
 	select ARCH_IMX6
 
+config MACH_UDOO_NEO
+	bool "i.MX6 UDOO Neo Board (full variant)"
+	select ARCH_IMX6SX
+
 config MACH_VARISCITE_MX6
 	bool "Variscite i.MX6 Quad SOM"
 	select ARCH_IMX6
diff --git a/arch/arm/mach-imx/include/mach/esdctl.h b/arch/arm/mach-imx/include/mach/esdctl.h
index 66dcc8974cfb..bd6092febca4 100644
--- a/arch/arm/mach-imx/include/mach/esdctl.h
+++ b/arch/arm/mach-imx/include/mach/esdctl.h
@@ -137,6 +137,7 @@ void __noreturn imx51_barebox_entry(void *boarddata);
 void __noreturn imx53_barebox_entry(void *boarddata);
 void __noreturn imx6q_barebox_entry(void *boarddata);
 void __noreturn imx6ul_barebox_entry(void *boarddata);
+#define imx6sx_barebox_entry(boarddata) imx6ul_barebox_entry(boarddata)
 void imx_esdctl_disable(void);
 #endif
 
diff --git a/images/Makefile.imx b/images/Makefile.imx
index cdad2e0b8826..867ff5f6a564 100644
--- a/images/Makefile.imx
+++ b/images/Makefile.imx
@@ -260,6 +260,11 @@ CFG_start_imx6q_sabresd.pblx.imximg = $(board)/freescale-mx6-sabresd/flash-heade
 FILE_barebox-freescale-imx6q-sabresd.img = start_imx6q_sabresd.pblx.imximg
 image-$(CONFIG_MACH_SABRESD) += barebox-freescale-imx6q-sabresd.img
 
+pblx-$(CONFIG_MACH_UDOO_NEO) += start_imx6sx_udoo_neo
+CFG_start_imx6sx_udoo_neo.pblx.imximg = $(board)/udoo-neo/flash-header-mx6sx-udoo-neo_full.imxcfg
+FILE_barebox-udoo-neo.img = start_imx6sx_udoo_neo.pblx.imximg
+image-$(CONFIG_MACH_UDOO_NEO) += barebox-udoo-neo.img
+
 pblx-$(CONFIG_MACH_FREESCALE_IMX6SX_SABRESDB) += start_imx6sx_sabresdb
 CFG_start_imx6sx_sabresdb.pblx.imximg = $(board)/freescale-mx6sx-sabresdb/flash-header-mx6sx-sabresdb.imxcfg
 FILE_barebox-freescale-imx6sx-sabresdb.img = start_imx6sx_sabresdb.pblx.imximg
-- 
2.11.0


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             reply	other threads:[~2017-06-27 19:03 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-27 19:03 Uwe Kleine-König [this message]
2017-06-27 19:40 ` Stefan Lengfeld
2017-06-28  8:16   ` Uwe Kleine-König
2017-06-30  6:35   ` Sascha Hauer
2017-06-30  9:06     ` Uwe Kleine-König
2017-06-30  9:28       ` Sascha Hauer
2017-06-30 19:46 ` Andrey Smirnov

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