[U-Boot] [PATCH v2 1/3] Add support for the MT41K128M16JT125K memory modules

[U-Boot] [PATCH v2 1/3] Add support for the MT41K128M16JT125K memory modules

[Martyn Welch]

From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>

Add configuration for the MT41K128M16JT125K memory modules as used on the
Bosch Guardian device.

Based on a patch by:
    Govindaraji Sivanantham <Govindaraji.Sivanantham@in.bosch.com>

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
[checkpatch.pl cleanup by Martyn Welch]
Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
---

Changes in v2: None

 arch/arm/include/asm/arch-am33xx/ddr_defs.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
index d8ddecc0bd..15a5b641ff 100644
--- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h
+++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
@@ -84,6 +84,22 @@
 #define MT41K128MJT187E_PHY_FIFO_WE		0x100
 #define MT41K128MJT187E_IOCTRL_VALUE		0x18B
 
+/* Micron MT41K128M16JT-125 IT:K (256 MB) at 400MHz */
+#define MT41K128M16JT125K_EMIF_READ_LATENCY     0x07
+#define MT41K128M16JT125K_EMIF_TIM1             0x0AAAD4DB
+#define MT41K128M16JT125K_EMIF_TIM2             0x2A437FDA
+#define MT41K128M16JT125K_EMIF_TIM3             0x501F83FF
+#define MT41K128M16JT125K_EMIF_SDCFG            0x61A052B2
+#define MT41K128M16JT125K_EMIF_SDREF            0x00000C30
+#define MT41K128M16JT125K_ZQ_CFG                0x50074BE4
+#define MT41K128M16JT125K_RATIO                 0x80
+#define MT41K128M16JT125K_INVERT_CLKOUT         0x0
+#define MT41K128M16JT125K_RD_DQS                0x38
+#define MT41K128M16JT125K_WR_DQS                0x46
+#define MT41K128M16JT125K_PHY_WR_DATA           0x7D
+#define MT41K128M16JT125K_PHY_FIFO_WE           0x9B
+#define MT41K128M16JT125K_IOCTRL_VALUE          0x18B
+
 /* Micron MT41J64M16JT-125 */
 #define MT41J64MJT125_EMIF_SDCFG		0x61C04A32
 
-- 
2.20.1

[U-Boot] [PATCH v2 2/3] env: Don't check CONFIG_ENV_OFFSET_REDUND for SPL build

[Martyn Welch]

When booting using an SPL on am335x, if we want to support booting with
the boot ROM loader via USB (which uses RNDIS, making bootp and tftp
calls) we need to enable gadget eth in the SPL to load the main U-Boot
image. To enable CONFIG_SPL_ETH_SUPPORT, we must enable
CONFIG_SPL_ENV_SUPPORT as the environment is used by the eth support, but
we don't actually need to have environment variables saved in the SPL
environment. We do however have environment variables saved in the main
U-Boot image and enable CONFIG_ENV_OFFSET_REDUND (we are storing in raw
NAND). In such instances, even with the build config enabling both
CONFIG_CMD_SAVEENV and CONFIG_CMD_NAND, these options aren't set when
building the SPL, but CONFIG_ENV_OFFSET_REDUND still is.

Don't check this configuration option for SPL builds to enable the above
configuration.

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>

---

Changes in v2:
- Reword commit message to better describe the issue

 env/nand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/env/nand.c b/env/nand.c
index 29eda66fad..d0b95f483d 100644
--- a/env/nand.c
+++ b/env/nand.c
@@ -26,7 +26,7 @@
 #if defined(CONFIG_CMD_SAVEENV) && defined(CONFIG_CMD_NAND) && \
 		!defined(CONFIG_SPL_BUILD)
 #define CMD_SAVEENV
-#elif defined(CONFIG_ENV_OFFSET_REDUND)
+#elif defined(CONFIG_ENV_OFFSET_REDUND) && !defined(CONFIG_SPL_BUILD)
 #error CONFIG_ENV_OFFSET_REDUND must have CONFIG_CMD_SAVEENV & CONFIG_CMD_NAND
 #endif
 
-- 
2.20.1

[U-Boot] [PATCH v2 3/3] am335x, guardian: Add support for the bosch guardian board

[Martyn Welch]

From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>

Add support for the Bosch Guardian board.

CPU  : AM335X-GP rev 2.1
Model: Bosch AM335x Guardian
I2C:   ready
DRAM:  256 MiB
NAND:  512 MiB
MMC:   OMAP SD/MMC: 0

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Martyn Welch <martyn.welch@collabora.com>

---

Changes in v2:
- Correct guard #ifdef naming in board config header
- Remove missed cruft from board files

 arch/arm/Kconfig                         |   1 +
 arch/arm/dts/am335x-guardian-u-boot.dtsi |  66 +++
 arch/arm/dts/am335x-guardian.dts         | 511 +++++++++++++++++++++++
 arch/arm/mach-omap2/am33xx/Kconfig       |   7 +
 board/bosch/guardian/Kconfig             |  15 +
 board/bosch/guardian/MAINTAINERS         |   6 +
 board/bosch/guardian/Makefile            |  12 +
 board/bosch/guardian/board.c             | 186 +++++++++
 board/bosch/guardian/board.h             |  17 +
 board/bosch/guardian/mux.c               |  99 +++++
 configs/am335x_guardian_defconfig        |  90 ++++
 include/configs/am335x_guardian.h        | 111 +++++
 12 files changed, 1121 insertions(+)
 create mode 100644 arch/arm/dts/am335x-guardian-u-boot.dtsi
 create mode 100644 arch/arm/dts/am335x-guardian.dts
 create mode 100644 board/bosch/guardian/Kconfig
 create mode 100644 board/bosch/guardian/MAINTAINERS
 create mode 100644 board/bosch/guardian/Makefile
 create mode 100644 board/bosch/guardian/board.c
 create mode 100644 board/bosch/guardian/board.h
 create mode 100644 board/bosch/guardian/mux.c
 create mode 100644 configs/am335x_guardian_defconfig
 create mode 100644 include/configs/am335x_guardian.h

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 455f06cfee..d2b3dce2da 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1524,6 +1524,7 @@ source "arch/arm/cpu/armv8/Kconfig"
 source "arch/arm/mach-imx/Kconfig"
 
 source "board/bosch/shc/Kconfig"
+source "board/bosch/guardian/Kconfig"
 source "board/CarMediaLab/flea3/Kconfig"
 source "board/Marvell/aspenite/Kconfig"
 source "board/Marvell/gplugd/Kconfig"
diff --git a/arch/arm/dts/am335x-guardian-u-boot.dtsi b/arch/arm/dts/am335x-guardian-u-boot.dtsi
new file mode 100644
index 0000000000..156b9b0e83
--- /dev/null
+++ b/arch/arm/dts/am335x-guardian-u-boot.dtsi
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 EETS GmbH - https://www.eets.ch/
+ * Copyright (C) 2018 Robert Bosch Power Tools GmbH
+ */
+
+/ {
+	ocp {
+		u-boot,dm-pre-reloc;
+	};
+};
+
+&l4_wkup {
+	u-boot,dm-pre-reloc;
+};
+
+&mmc1 {
+	u-boot,dm-pre-reloc;
+};
+
+&mmc1_pins {
+	u-boot,dm-pre-reloc;
+};
+
+&rtc {
+	clocks = <&l4_per_clkctrl AM3_CLKDIV32K_CLKCTRL 0>;
+	clock-names = "int-clk";
+};
+
+&scm {
+	u-boot,dm-pre-reloc;
+};
+
+&uart0 {
+	u-boot,dm-pre-reloc;
+};
+
+&uart0_pins {
+	u-boot,dm-pre-reloc;
+};
+
+&usb {
+	u-boot,dm-pre-reloc;
+};
+
+&usb_ctrl_mod {
+	u-boot,dm-pre-reloc;
+};
+
+&usb0 {
+	u-boot,dm-pre-reloc;
+};
+
+&usb0_phy {
+	u-boot,dm-pre-reloc;
+};
+
+&am33xx_pinmux {
+	u-boot,dm-pre-reloc;
+
+	lcd0_pins: pinmux_lcd0_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x908, PIN_OUTPUT_PULLUP   | MUX_MODE7)
+		>;
+	};
+};
diff --git a/arch/arm/dts/am335x-guardian.dts b/arch/arm/dts/am335x-guardian.dts
new file mode 100644
index 0000000000..d8652ab014
--- /dev/null
+++ b/arch/arm/dts/am335x-guardian.dts
@@ -0,0 +1,511 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2018 Robert Bosch Power Tools GmbH
+ */
+/dts-v1/;
+
+#include "am33xx.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	model = "Bosch AM335x Guardian";
+	compatible = "bosch,am335x-guardian", "ti,am33xx";
+
+	chosen {
+		stdout-path = &uart0;
+		tick-timer = &timer2;
+	};
+
+	cpus {
+		cpu at 0 {
+			cpu0-supply = <&dcdc2_reg>;
+		};
+	};
+
+	memory at 80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x10000000>; /* 256 MB */
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio_keys_pins>;
+
+		button21 {
+			label = "guardian-power-button";
+			linux,code = <KEY_POWER>;
+			gpios = <&gpio2 21 0>;
+			wakeup-source;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&leds_pins>;
+
+		led1 {
+			label = "green:heartbeat";
+			gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+			default-state = "off";
+		};
+
+		led2 {
+			label = "green:mmc0";
+			gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "mmc0";
+			default-state = "off";
+		};
+	};
+
+	panel {
+		compatible = "ti,tilcdc,panel";
+		pinctrl-names = "default", "sleep";
+		pinctrl-0 = <&lcd_pins_default &lcd_disen_pins>;
+		pinctrl-1 = <&lcd_pins_sleep>;
+
+		display-timings {
+			320x240 {
+				hactive         = <320>;
+				vactive         = <240>;
+				hback-porch     = <68>;
+				hfront-porch    = <20>;
+				hsync-len       = <1>;
+				vback-porch     = <18>;
+				vfront-porch    = <4>;
+				vsync-len       = <1>;
+				clock-frequency = <9000000>;
+				hsync-active    = <0>;
+				vsync-active    = <0>;
+			};
+		};
+		panel-info {
+			ac-bias           = <255>;
+			ac-bias-intrpt    = <0>;
+			dma-burst-sz      = <16>;
+			bpp               = <24>;
+			bus-width         = <16>;
+			fdd               = <0x80>;
+			sync-edge         = <0>;
+			sync-ctrl         = <1>;
+			raster-order      = <0>;
+			fifo-th           = <0>;
+		};
+
+	};
+
+	pwm7: dmtimer-pwm {
+		compatible = "ti,omap-dmtimer-pwm";
+		ti,timers = <&timer7>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&dmtimer7_pins>;
+	};
+
+	vmmcsd_fixed: regulator-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vmmcsd_fixed";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+};
+
+&cppi41dma  {
+	status = "okay";
+};
+
+&elm {
+	status = "okay";
+};
+
+&gpmc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&nandflash_pins>;
+	ranges = <0 0 0x08000000 0x1000000>;  /* CS0: 16MB for NAND */
+	status = "okay";
+
+	nand at 0,0 {
+		compatible = "ti,omap2-nand";
+		reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
+		interrupt-parent = <&gpmc>;
+		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
+			     <1 IRQ_TYPE_NONE>; /* termcount */
+		rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
+		ti,nand-ecc-opt = "bch16";
+		ti,elm-id = <&elm>;
+		nand-bus-width = <8>;
+		gpmc,device-width = <1>;
+		gpmc,sync-clk-ps = <0>;
+		gpmc,cs-on-ns = <0>;
+		gpmc,cs-rd-off-ns = <44>;
+		gpmc,cs-wr-off-ns = <44>;
+		gpmc,adv-on-ns = <6>;
+		gpmc,adv-rd-off-ns = <34>;
+		gpmc,adv-wr-off-ns = <44>;
+		gpmc,we-on-ns = <0>;
+		gpmc,we-off-ns = <40>;
+		gpmc,oe-on-ns = <0>;
+		gpmc,oe-off-ns = <54>;
+		gpmc,access-ns = <64>;
+		gpmc,rd-cycle-ns = <82>;
+		gpmc,wr-cycle-ns = <82>;
+		gpmc,bus-turnaround-ns = <0>;
+		gpmc,cycle2cycle-delay-ns = <0>;
+		gpmc,clk-activation-ns = <0>;
+		gpmc,wr-access-ns = <40>;
+		gpmc,wr-data-mux-bus-ns = <0>;
+
+		/*
+		 * MTD partition table
+		 *
+		 * All SPL-* partitions are sized to minimal length which can
+		 * be independently programmable. For NAND flash this is equal
+		 * to size of erase-block.
+		 */
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition at 0 {
+			label = "SPL";
+			reg = <0x0 0x40000>;
+		};
+
+		partition at 1 {
+			label = "SPL.backup1";
+			reg = <0x40000  0x40000>;
+		};
+
+		partition at 2 {
+			label = "SPL.backup2";
+			reg = <0x80000  0x40000>;
+		};
+
+		partition at 3 {
+			label = "SPL.backup3";
+			reg = <0xc0000  0x40000>;
+		};
+
+		partition at 4 {
+			label = "u-boot";
+			reg = <0x100000 0x100000>;
+		};
+
+		partition at 5 {
+			label = "u-boot.backup1";
+			reg = <0x200000 0x100000>;
+		};
+
+		partition at 6 {
+			label = "u-boot-env";
+			reg = <0x300000 0x40000>;
+		};
+
+		partition at 7 {
+			label = "u-boot-env.backup1";
+			reg = <0x340000 0x40000>;
+		};
+
+		partition at 8 {
+			label = "UBI";
+			reg = <0x380000 0x1fc80000>;
+		};
+	};
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+	clock-frequency = <400000>;
+	status = "okay";
+
+	tps: tps at 24 {
+		reg = <0x24>;
+	};
+};
+
+&lcdc {
+	blue-and-red-wiring = "crossed";
+	status = "okay";
+};
+
+&mmc1 {
+	bus-width = <0x4>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins>;
+	cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&vmmcsd_fixed>;
+	status = "okay";
+};
+
+&rtc {
+	clocks = <&clk_32768_ck>, <&clk_24mhz_clkctrl AM3_CLK_24MHZ_CLKDIV32K_CLKCTRL 0>;
+	clock-names = "ext-clk", "int-clk";
+	system-power-controller;
+};
+
+&spi0 {
+	ti,pindir-d0-out-d1-in;
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi0_pins>;
+	status = "okay";
+};
+
+/include/ "tps65217.dtsi"
+
+&tps {
+	ti,pmic-shutdown-controller;
+	interrupt-parent = <&intc>;
+	interrupts = <7>; /* NMI */
+
+	backlight {
+		isel = <1>;  /* 1 - ISET1, 2 ISET2 */
+		fdim = <100>; /* TPS65217_BL_FDIM_100HZ */
+		default-brightness = <100>;
+	};
+
+	regulators {
+		dcdc1_reg: regulator at 0 {
+			regulator-name = "vdds_dpr";
+			regulator-always-on;
+		};
+
+		dcdc2_reg: regulator at 1 {
+			regulator-name = "vdd_mpu";
+			regulator-min-microvolt = <925000>;
+			regulator-max-microvolt = <1351500>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		dcdc3_reg: regulator at 2 {
+			regulator-name = "vdd_core";
+			regulator-min-microvolt = <925000>;
+			regulator-max-microvolt = <1150000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		ldo1_reg: regulator at 3 {
+			regulator-name = "vio,vrtc,vdds";
+			regulator-always-on;
+		};
+
+		ldo2_reg: regulator at 4 {
+			regulator-name = "vdd_3v3aux";
+			regulator-always-on;
+		};
+
+		ldo3_reg: regulator at 5 {
+			regulator-name = "vdd_1v8";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-always-on;
+		};
+
+		ldo4_reg: regulator at 6 {
+			regulator-name = "vdd_3v3a";
+			regulator-always-on;
+		};
+	};
+};
+
+&tscadc {
+	status = "okay";
+
+	adc {
+		ti,adc-channels = <0 1 2 3 4 5 6>;
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins>;
+	status = "okay";
+};
+
+&usb {
+	status = "okay";
+};
+
+&usb_ctrl_mod {
+	status = "okay";
+};
+
+&usb0 {
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
+&usb0_phy {
+	status = "okay";
+};
+
+&usb1 {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usb1_phy {
+	status = "okay";
+};
+
+&am33xx_pinmux {
+	pinctrl-names = "default";
+	pinctrl-0 = <&clkout2_pin &gpio_pins>;
+
+	clkout2_pin: pinmux_clkout2_pin {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x9b4, PIN_OUTPUT_PULLDOWN | MUX_MODE3)
+		>;
+	};
+
+	dmtimer7_pins: pinmux_dmtimer7_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x968, PIN_OUTPUT | MUX_MODE5)
+		>;
+	};
+
+	gpio_keys_pins: pinmux_gpio_keys_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x940, PIN_INPUT | MUX_MODE7)
+		>;
+	};
+
+	gpio_pins: pinmux_gpio_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x928, PIN_OUTPUT | MUX_MODE7)
+			AM33XX_IOPAD(0x990, PIN_OUTPUT | MUX_MODE7)
+		>;
+	};
+
+	i2c0_pins: pinmux_i2c0_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)
+			AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)
+		>;
+	};
+
+	lcd_disen_pins: pinmux_lcd_disen_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x9a4, PIN_OUTPUT_PULLUP | SLEWCTRL_SLOW | MUX_MODE7)
+		>;
+	};
+
+	lcd_pins_default: pinmux_lcd_pins_default {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x820, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
+			AM33XX_IOPAD(0x824, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
+			AM33XX_IOPAD(0x828, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
+			AM33XX_IOPAD(0x82c, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
+			AM33XX_IOPAD(0x830, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
+			AM33XX_IOPAD(0x834, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
+			AM33XX_IOPAD(0x838, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
+			AM33XX_IOPAD(0x83c, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
+			AM33XX_IOPAD(0x8a0, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8a4, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8a8, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8ac, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8b0, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8b4, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8b8, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8bc, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8c0, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8c4, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8c8, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8cc, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8d0, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8d4, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8d8, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8dc, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8e0, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8e4, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8e8, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+			AM33XX_IOPAD(0x8ec, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
+		>;
+	};
+
+	lcd_pins_sleep: pinmux_lcd_pins_sleep {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x8a0, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8a4, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8a8, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8ac, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8b0, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8b4, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8b8, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8bc, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8c0, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8c4, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8c8, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8cc, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8d0, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8d4, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8d8, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8dc, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8e0, PIN_INPUT_PULLDOWN | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8e4, PIN_INPUT_PULLDOWN | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8e8, PIN_INPUT_PULLDOWN | SLEWCTRL_SLOW | MUX_MODE7)
+			AM33XX_IOPAD(0x8ec, PIN_INPUT_PULLDOWN | SLEWCTRL_SLOW | MUX_MODE7)
+		>;
+	};
+
+	leds_pins: pinmux_leds_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x868, PIN_OUTPUT | MUX_MODE7)
+			AM33XX_IOPAD(0x86c, PIN_OUTPUT | MUX_MODE7)
+		>;
+	};
+
+	mmc1_pins: pinmux_mmc1_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)
+			AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)
+			AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)
+			AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)
+			AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
+			AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
+			AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7)
+		>;
+	};
+
+	spi0_pins: pinmux_spi0_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x950, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
+			AM33XX_IOPAD(0x954, PIN_OUTPUT_PULLUP | MUX_MODE0)
+			AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0)
+			AM33XX_IOPAD(0x95c, PIN_OUTPUT_PULLUP | MUX_MODE0)
+		>;
+	};
+
+	uart0_pins: pinmux_uart0_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)
+			AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
+		>;
+	};
+
+	nandflash_pins: pinmux_nandflash_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x800, PIN_INPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x804, PIN_INPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x808, PIN_INPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x80c, PIN_INPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x810, PIN_INPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x814, PIN_INPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x818, PIN_INPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x81c, PIN_INPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x870, PIN_INPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x874, PIN_OUTPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)
+			AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)
+		>;
+	};
+};
diff --git a/arch/arm/mach-omap2/am33xx/Kconfig b/arch/arm/mach-omap2/am33xx/Kconfig
index 85ea8946b0..500df1aa11 100644
--- a/arch/arm/mach-omap2/am33xx/Kconfig
+++ b/arch/arm/mach-omap2/am33xx/Kconfig
@@ -87,6 +87,13 @@ config TARGET_AM335X_SHC
 	imply CMD_DM
 	imply CMD_SPL
 
+config TARGET_AM335X_GUARDIAN
+	bool "Support am335x based guardian board from bosch"
+	select DM
+	select DM_SERIAL
+	select DM_GPIO
+	select DM_USB
+
 config TARGET_AM335X_SL50
 	bool "Support am335x_sl50"
 	select BOARD_LATE_INIT
diff --git a/board/bosch/guardian/Kconfig b/board/bosch/guardian/Kconfig
new file mode 100644
index 0000000000..1417da61f0
--- /dev/null
+++ b/board/bosch/guardian/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_AM335X_GUARDIAN
+
+config SYS_BOARD
+	default "guardian"
+
+config SYS_VENDOR
+	default "bosch"
+
+config SYS_SOC
+	default "am33xx"
+
+config SYS_CONFIG_NAME
+	default "am335x_guardian"
+
+endif
diff --git a/board/bosch/guardian/MAINTAINERS b/board/bosch/guardian/MAINTAINERS
new file mode 100644
index 0000000000..8d16ec0202
--- /dev/null
+++ b/board/bosch/guardian/MAINTAINERS
@@ -0,0 +1,6 @@
+Guardian BOARD
+M:	Sjoerd Simons <sjoerd.simons@collabora.co.uk>
+S:	Maintained
+F:	board/bosch/guardian/
+F:	include/configs/am335x_guardian.h
+F:	configs/am335x_guardian_defconfig
diff --git a/board/bosch/guardian/Makefile b/board/bosch/guardian/Makefile
new file mode 100644
index 0000000000..11625c9dd6
--- /dev/null
+++ b/board/bosch/guardian/Makefile
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier:	GPL-2.0+
+#
+# Makefile
+#
+# Copyright (C) 2018 Robert Bosch Power Tools GmbH
+#
+
+ifeq ($(CONFIG_SKIP_LOWLEVEL_INIT),)
+obj-y	:= mux.o
+endif
+
+obj-y	+= board.o
diff --git a/board/bosch/guardian/board.c b/board/bosch/guardian/board.c
new file mode 100644
index 0000000000..7f6f500535
--- /dev/null
+++ b/board/bosch/guardian/board.c
@@ -0,0 +1,186 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * board.c
+ *
+ * Board functions for Bosch Guardian
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ * Copyright (C) 2018 Robert Bosch Power Tools GmbH
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <spl.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/omap.h>
+#include <asm/arch/ddr_defs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mem.h>
+#include <asm/io.h>
+#include <asm/emif.h>
+#include <asm/gpio.h>
+#include <dm.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <cpsw.h>
+#include <panel.h>
+#include <power/tps65217.h>
+#include <power/tps65910.h>
+#include <environment.h>
+#include <watchdog.h>
+#include <environment.h>
+#include "board.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+
+static const struct ddr_data ddr3_data = {
+	.datardsratio0 = MT41K128M16JT125K_RD_DQS,
+	.datawdsratio0 = MT41K128M16JT125K_WR_DQS,
+	.datafwsratio0 = MT41K128M16JT125K_PHY_FIFO_WE,
+	.datawrsratio0 = MT41K128M16JT125K_PHY_WR_DATA,
+};
+
+static const struct cmd_control ddr3_cmd_ctrl_data = {
+	.cmd0csratio = MT41K128M16JT125K_RATIO,
+	.cmd0iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
+
+	.cmd1csratio = MT41K128M16JT125K_RATIO,
+	.cmd1iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
+
+	.cmd2csratio = MT41K128M16JT125K_RATIO,
+	.cmd2iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
+};
+
+static struct emif_regs ddr3_emif_reg_data = {
+	.sdram_config = MT41K128M16JT125K_EMIF_SDCFG,
+	.ref_ctrl = MT41K128M16JT125K_EMIF_SDREF,
+	.sdram_tim1 = MT41K128M16JT125K_EMIF_TIM1,
+	.sdram_tim2 = MT41K128M16JT125K_EMIF_TIM2,
+	.sdram_tim3 = MT41K128M16JT125K_EMIF_TIM3,
+	.zq_config = MT41K128M16JT125K_ZQ_CFG,
+	.emif_ddr_phy_ctlr_1 = MT41K128M16JT125K_EMIF_READ_LATENCY,
+};
+
+#define OSC	(V_OSCK / 1000000)
+const struct dpll_params dpll_ddr = {
+		400, OSC - 1, 1, -1, -1, -1, -1};
+
+void am33xx_spl_board_init(void)
+{
+	int mpu_vdd;
+	int usb_cur_lim;
+
+	/* Get the frequency */
+	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
+
+	if (i2c_probe(TPS65217_CHIP_PM))
+		return;
+
+	/*
+	 * Increase USB current limit to 1300mA or 1800mA and set
+	 * the MPU voltage controller as needed.
+	 */
+	if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
+		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
+		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
+	} else {
+		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
+		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
+	}
+
+	if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+			       TPS65217_POWER_PATH,
+			       usb_cur_lim,
+			       TPS65217_USB_INPUT_CUR_LIMIT_MASK))
+		puts("tps65217_reg_write failure\n");
+
+	/* Set DCDC3 (CORE) voltage to 1.125V */
+	if (tps65217_voltage_update(TPS65217_DEFDCDC3,
+				    TPS65217_DCDC_VOLT_SEL_1125MV)) {
+		puts("tps65217_voltage_update failure\n");
+		return;
+	}
+
+	/* Set CORE Frequencies to OPP100 */
+	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
+
+	/* Set DCDC2 (MPU) voltage */
+	if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
+		puts("tps65217_voltage_update failure\n");
+		return;
+	}
+
+	/*
+	 * Set LDO3 to 1.8V and LDO4 to 3.3V
+	 */
+	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+			       TPS65217_DEFLS1,
+			       TPS65217_LDO_VOLTAGE_OUT_1_8,
+			       TPS65217_LDO_MASK))
+		puts("tps65217_reg_write failure\n");
+
+	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+			       TPS65217_DEFLS2,
+			       TPS65217_LDO_VOLTAGE_OUT_3_3,
+			       TPS65217_LDO_MASK))
+		puts("tps65217_reg_write failure\n");
+
+	/* Set MPU Frequency to what we detected now that voltages are set */
+	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
+}
+
+const struct dpll_params *get_dpll_ddr_params(void)
+{
+	enable_i2c0_pin_mux();
+	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
+
+	return &dpll_ddr;
+}
+
+void set_uart_mux_conf(void)
+{
+	enable_uart0_pin_mux();
+}
+
+void set_mux_conf_regs(void)
+{
+	enable_board_pin_mux();
+}
+
+const struct ctrl_ioregs ioregs = {
+	.cm0ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
+	.cm1ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
+	.cm2ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
+	.dt0ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
+	.dt1ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
+};
+
+void sdram_init(void)
+{
+	config_ddr(400, &ioregs,
+		   &ddr3_data,
+		   &ddr3_cmd_ctrl_data,
+		   &ddr3_emif_reg_data, 0);
+}
+#endif
+
+int board_init(void)
+{
+#if defined(CONFIG_HW_WATCHDOG)
+	hw_watchdog_init();
+#endif
+
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_NAND
+	gpmc_init();
+#endif
+	return 0;
+}
diff --git a/board/bosch/guardian/board.h b/board/bosch/guardian/board.h
new file mode 100644
index 0000000000..b301caf47f
--- /dev/null
+++ b/board/bosch/guardian/board.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * board.h
+ *
+ * Board header for Bosch Guardian
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ * Copyright (C) 2018 Robert Bosch Power Tools GmbH
+ */
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+void enable_uart0_pin_mux(void);
+void enable_i2c0_pin_mux(void);
+void enable_board_pin_mux(void);
+#endif
diff --git a/board/bosch/guardian/mux.c b/board/bosch/guardian/mux.c
new file mode 100644
index 0000000000..93f40b8a02
--- /dev/null
+++ b/board/bosch/guardian/mux.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * mux.c
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ * Copyright (C) 2018 Robert Bosch Power Tools GmbH
+ */
+
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/mux.h>
+#include <asm/io.h>
+#include <i2c.h>
+#include "board.h"
+
+static struct module_pin_mux uart0_pin_mux[] = {
+	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},
+	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},
+	{-1},
+};
+
+static struct module_pin_mux i2c0_pin_mux[] = {
+	{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
+	{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
+	{-1},
+};
+
+static struct module_pin_mux adc_voltages_en[] = {
+	{OFFSET(mcasp0_ahclkx), (MODE(7) | PULLUP_EN)},
+	{-1},
+};
+
+static struct module_pin_mux asp_power_en[] = {
+	{OFFSET(mcasp0_aclkx), (MODE(7) | PULLUP_EN)},
+	{-1},
+};
+
+static struct module_pin_mux switch_off_3v6_pin_mux[] = {
+	{OFFSET(mii1_txd0), (MODE(7) | PULLUP_EN)},
+	/*
+	 * The uart1 lines are made floating inputs, based on the Guardian
+	 * A2 Sample Power Supply Schematics
+	 */
+	{OFFSET(uart1_rxd), (MODE(7) | PULLUDDIS)},
+	{OFFSET(uart1_txd), (MODE(7) | PULLUDDIS)},
+	{-1},
+};
+
+#ifdef CONFIG_NAND
+static struct module_pin_mux nand_pin_mux[] = {
+	{OFFSET(gpmc_ad0),      (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad1),      (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad2),      (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad3),      (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad4),      (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad5),      (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad6),      (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad7),      (MODE(0) | PULLUDDIS | RXACTIVE)},
+#ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT
+	{OFFSET(gpmc_ad8),      (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad9),      (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad10),     (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad11),     (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad12),     (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad13),     (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad14),     (MODE(0) | PULLUDDIS | RXACTIVE)},
+	{OFFSET(gpmc_ad15),     (MODE(0) | PULLUDDIS | RXACTIVE)},
+#endif
+	{OFFSET(gpmc_wait0),    (MODE(0) | PULLUP_EN | RXACTIVE)},
+	{OFFSET(gpmc_wpn),      (MODE(7) | PULLUP_EN)},
+	{OFFSET(gpmc_csn0),     (MODE(0) | PULLUP_EN)},
+	{OFFSET(gpmc_wen),      (MODE(0) | PULLDOWN_EN)},
+	{OFFSET(gpmc_oen_ren),  (MODE(0) | PULLDOWN_EN)},
+	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLDOWN_EN)},
+	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLDOWN_EN)},
+	{-1},
+};
+#endif
+
+void enable_uart0_pin_mux(void)
+{
+	configure_module_pin_mux(uart0_pin_mux);
+}
+
+void enable_i2c0_pin_mux(void)
+{
+	configure_module_pin_mux(i2c0_pin_mux);
+}
+
+void enable_board_pin_mux(void)
+{
+#ifdef CONFIG_NAND
+	configure_module_pin_mux(nand_pin_mux);
+#endif
+	configure_module_pin_mux(adc_voltages_en);
+	configure_module_pin_mux(asp_power_en);
+	configure_module_pin_mux(switch_off_3v6_pin_mux);
+}
diff --git a/configs/am335x_guardian_defconfig b/configs/am335x_guardian_defconfig
new file mode 100644
index 0000000000..c25a1a9327
--- /dev/null
+++ b/configs/am335x_guardian_defconfig
@@ -0,0 +1,90 @@
+CONFIG_ARM=y
+CONFIG_ARCH_OMAP2PLUS=y
+CONFIG_SPL_GPIO_SUPPORT=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_AM33XX=y
+CONFIG_TARGET_AM335X_GUARDIAN=y
+CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL=y
+CONFIG_SPL_LIBDISK_SUPPORT=y
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_BOOTSTAGE_STASH_ADDR=0x0
+CONFIG_CONSOLE_MUX=y
+CONFIG_SYS_CONSOLE_INFO_QUIET=y
+CONFIG_VERSION_VARIABLE=y
+CONFIG_ARCH_MISC_INIT=y
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_SPL_ENV_SUPPORT=y
+CONFIG_SPL_ETH_SUPPORT=y
+CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_SPL_MUSB_NEW_SUPPORT=y
+CONFIG_SPL_NET_SUPPORT=y
+CONFIG_SPL_NET_VCI_STRING="Guardian U-Boot SPL"
+CONFIG_SPL_POWER_SUPPORT=y
+CONFIG_SPL_USB_GADGET=y
+CONFIG_SPL_USB_ETHER=y
+CONFIG_SPL_WATCHDOG_SUPPORT=y
+CONFIG_SPL_YMODEM_SUPPORT=y
+CONFIG_AUTOBOOT_KEYED=y
+CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
+CONFIG_AUTOBOOT_DELAY_STR="d"
+CONFIG_AUTOBOOT_STOP_STR=" "
+CONFIG_CMD_SPL=y
+CONFIG_CMD_SPL_NAND_OFS=0x0
+CONFIG_CMD_ASKENV=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_MTD=y
+CONFIG_CMD_NAND=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_MTDPARTS=y
+CONFIG_MTDPARTS_DEFAULT="mtdparts=nand.0:256k(SPL),256k(SPL.backup1),256k(SPL.backup2),256k(SPL.backup3),1m(u-boot),1m(u-boot.backup1),256k(u-boot-env),256k(u-boot-env.backup1),-(UBI)"
+CONFIG_CMD_UBI=y
+# CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_ISO_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="am335x-guardian"
+CONFIG_ENV_IS_IN_NAND=y
+CONFIG_SPL_ENV_IS_NOWHERE=y
+CONFIG_SPL_DM=y
+CONFIG_BOOTCOUNT_LIMIT=y
+CONFIG_BOOTCOUNT_ENV=y
+CONFIG_MISC=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_OMAP_HS=y
+CONFIG_MTD=y
+CONFIG_NAND=y
+CONFIG_SYS_NAND_U_BOOT_LOCATIONS=y
+CONFIG_SYS_NAND_U_BOOT_OFFS=0x100000
+CONFIG_SYS_NAND_U_BOOT_OFFS_REDUND=0x200000
+CONFIG_MTD_UBI_FASTMAP=y
+CONFIG_PHYLIB=y
+CONFIG_DM_ETH=y
+CONFIG_PHY=y
+CONFIG_NOP_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_SINGLE=y
+CONFIG_USB=y
+CONFIG_DM_USB_GADGET=y
+CONFIG_SPL_DM_USB_GADGET=y
+CONFIG_USB_MUSB_HOST=y
+CONFIG_USB_MUSB_GADGET=y
+CONFIG_USB_MUSB_TI=y
+CONFIG_USB_MUSB_DSPS=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments"
+CONFIG_USB_GADGET_VENDOR_NUM=0x0451
+CONFIG_USB_GADGET_PRODUCT_NUM=0xd022
+CONFIG_USB_ETHER=y
+CONFIG_FAT_WRITE=y
diff --git a/include/configs/am335x_guardian.h b/include/configs/am335x_guardian.h
new file mode 100644
index 0000000000..8bde198313
--- /dev/null
+++ b/include/configs/am335x_guardian.h
@@ -0,0 +1,111 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * am335x_guardian_.h
+ *
+ * Copyright (C) 2018 Robert Bosch Power Tools GmbH
+ * Copyright (C) 2018 sjoerd Simons <sjoerd.simons@collabora.co.uk>
+ *
+ */
+
+#ifndef __CONFIG_AM335X_GUARDIAN_H
+#define __CONFIG_AM335X_GUARDIAN_H
+
+#include <configs/ti_am335x_common.h>
+
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_TIMESTAMP
+#endif
+
+/* Clock Defines */
+#define V_OSCK				24000000  /* Clock output from T2 */
+#define V_SCLK				(V_OSCK)
+
+#ifndef CONFIG_SPL_BUILD
+
+#define MEM_LAYOUT_ENV_SETTINGS \
+	"scriptaddr=0x80000000\0" \
+	"pxefile_addr_r=0x80100000\0" \
+	"kernel_addr_r=0x82000000\0" \
+	"fdt_addr_r=0x88000000\0" \
+	"ramdisk_addr_r=0x88080000\0" \
+
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(UBIFS, ubifs, 0) \
+	func(PXE, pxe, na) \
+	func(DHCP, dhcp, na)
+
+#define AM335XX_BOARD_FDTFILE "fdtfile=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0"
+
+#include <config_distro_bootcmd.h>
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	AM335XX_BOARD_FDTFILE \
+	MEM_LAYOUT_ENV_SETTINGS \
+	BOOTENV \
+	"bootlimit=3\0" \
+	"altbootcmd=" \
+		"setenv boot_config \"extlinux-rollback.conf\"; " \
+		"run distro_bootcmd\0"
+
+#endif /* CONFIG_SPL_BUILD */
+
+/* NS16550 Configuration */
+#define CONFIG_SYS_NS16550_COM1		0x44e09000	/* UART0 */
+#define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
+#define CONFIG_SYS_NS16550_COM3		0x48024000	/* UART2 */
+#define CONFIG_SYS_NS16550_COM4		0x481a6000	/* UART3 */
+#define CONFIG_SYS_NS16550_COM5		0x481a8000	/* UART4 */
+#define CONFIG_SYS_NS16550_COM6		0x481aa000	/* UART5 */
+
+/* PMIC support */
+#define CONFIG_POWER_TPS65217
+
+/* Bootcount using the RTC block */
+#define CONFIG_SYS_BOOTCOUNT_LE
+
+#ifdef CONFIG_NAND
+#define CONFIG_ENV_OFFSET		0x300000
+#define CONFIG_ENV_OFFSET_REDUND	0x340000
+#define CONFIG_ENV_SIZE			0x040000
+
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_PAGE_COUNT      (CONFIG_SYS_NAND_BLOCK_SIZE / \
+					CONFIG_SYS_NAND_PAGE_SIZE)
+#define CONFIG_SYS_NAND_PAGE_SIZE       4096
+#define CONFIG_SYS_NAND_OOBSIZE         256
+#define CONFIG_SYS_NAND_BLOCK_SIZE      (256 * 1024)
+
+#define CONFIG_SYS_NAND_ECCPOS  {   2,   3,   4,   5,   6,   7,   8,   9, \
+			 10,  11,  12,  13,  14,  15,  16,  17,  18,  19, \
+			 20,  21,  22,  23,  24,  25,  26,  27,  28,  29, \
+			 30,  31,  32,  33,  34,  35,  36,  37,  38,  39, \
+			 40,  41,  42,  43,  44,  45,  46,  47,  48,  49, \
+			 50,  51,  52,  53,  54,  55,  56,  57,  58,  59, \
+			 60,  61,  62,  63,  64,  65,  66,  67,  68,  69, \
+			 70,  71,  72,  73,  74,  75,  76,  77,  78,  79, \
+			 80,  81,  82,  83,  84,  85,  86,  87,  88,  89, \
+			 90,  91,  92,  93,  94,  95,  96,  97,  98,  99, \
+			100, 101, 102, 103, 104, 105, 106, 107, 108, 109, \
+			110, 111, 112, 113, 114, 115, 116, 117, 118, 119, \
+			120, 121, 122, 123, 124, 125, 126, 127, 128, 129, \
+			130, 131, 132, 133, 134, 135, 136, 137, 138, 139, \
+			140, 141, 142, 143, 144, 145, 146, 147, 148, 149, \
+			150, 151, 152, 153, 154, 155, 156, 157, 158, 159, \
+			160, 161, 162, 163, 164, 165, 166, 167, 168, 169, \
+			170, 171, 172, 173, 174, 175, 176, 177, 178, 179, \
+			180, 181, 182, 183, 184, 185, 186, 187, 188, 189, \
+			190, 191, 192, 193, 194, 195, 196, 197, 198, 199, \
+			200, 201, 202, 203, 204, 205, 206, 207, 208, 209, \
+			}
+#define CONFIG_SYS_NAND_ECCSIZE         512
+#define CONFIG_SYS_NAND_ECCBYTES        26
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+#define CONFIG_NAND_OMAP_ECCSCHEME      OMAP_ECC_BCH16_CODE_HW
+#define MTDIDS_DEFAULT                  "nand0=nand.0"
+
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS   NAND_LARGE_BADBLOCK_POS
+
+#endif /* CONFIG_NAND */
+
+#endif	/* ! __CONFIG_AM335X_GUARDIAN_H */
-- 
2.20.1

[U-Boot] [PATCH v2 2/3] env: Don't check CONFIG_ENV_OFFSET_REDUND for SPL build

[Tom Rini]

On Fri, Feb 22, 2019 at 05:52:53PM +0000, Martyn Welch wrote:

> When booting using an SPL on am335x, if we want to support booting with
> the boot ROM loader via USB (which uses RNDIS, making bootp and tftp
> calls) we need to enable gadget eth in the SPL to load the main U-Boot
> image. To enable CONFIG_SPL_ETH_SUPPORT, we must enable
> CONFIG_SPL_ENV_SUPPORT as the environment is used by the eth support, but
> we don't actually need to have environment variables saved in the SPL
> environment. We do however have environment variables saved in the main
> U-Boot image and enable CONFIG_ENV_OFFSET_REDUND (we are storing in raw
> NAND). In such instances, even with the build config enabling both
> CONFIG_CMD_SAVEENV and CONFIG_CMD_NAND, these options aren't set when
> building the SPL, but CONFIG_ENV_OFFSET_REDUND still is.
> 
> Don't check this configuration option for SPL builds to enable the above
> configuration.
> 
> Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
> 

Reviewed-by: Tom Rini <trini@konsulko.com>

-- 
Tom
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[U-Boot] [PATCH v2 3/3] am335x, guardian: Add support for the bosch guardian board

[Tom Rini]

On Fri, Feb 22, 2019 at 05:52:54PM +0000, Martyn Welch wrote:

> From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
> 
> Add support for the Bosch Guardian board.
> 
> CPU  : AM335X-GP rev 2.1
> Model: Bosch AM335x Guardian
> I2C:   ready
> DRAM:  256 MiB
> NAND:  512 MiB
> MMC:   OMAP SD/MMC: 0
> 
> Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
> Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
> 

Reviewed-by: Tom Rini <trini@konsulko.com>

-- 
Tom
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[U-Boot] [PATCH v2 3/3] am335x, guardian: Add support for the bosch guardian board

[LTEC AG]

On 22.02.19 18:52, Martyn Welch wrote:

> From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
> 
> Add support for the Bosch Guardian board.
> 
> CPU  : AM335X-GP rev 2.1
> Model: Bosch AM335x Guardian
> I2C:   ready
> DRAM:  256 MiB
> NAND:  512 MiB
> MMC:   OMAP SD/MMC: 0
> 
> Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
> Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
> 
> ---
> 
> Changes in v2:
> - Correct guard #ifdef naming in board config header
> - Remove missed cruft from board files
> 
>  arch/arm/Kconfig                         |   1 +
>  arch/arm/dts/am335x-guardian-u-boot.dtsi |  66 +++
>  arch/arm/dts/am335x-guardian.dts         | 511 +++++++++++++++++++++++
>  arch/arm/mach-omap2/am33xx/Kconfig       |   7 +
>  board/bosch/guardian/Kconfig             |  15 +
>  board/bosch/guardian/MAINTAINERS         |   6 +
>  board/bosch/guardian/Makefile            |  12 +
>  board/bosch/guardian/board.c             | 186 +++++++++
>  board/bosch/guardian/board.h             |  17 +
>  board/bosch/guardian/mux.c               |  99 +++++
>  configs/am335x_guardian_defconfig        |  90 ++++
>  include/configs/am335x_guardian.h        | 111 +++++
>  12 files changed, 1121 insertions(+)
>  create mode 100644 arch/arm/dts/am335x-guardian-u-boot.dtsi
>  create mode 100644 arch/arm/dts/am335x-guardian.dts
>  create mode 100644 board/bosch/guardian/Kconfig
>  create mode 100644 board/bosch/guardian/MAINTAINERS
>  create mode 100644 board/bosch/guardian/Makefile
>  create mode 100644 board/bosch/guardian/board.c
>  create mode 100644 board/bosch/guardian/board.h
>  create mode 100644 board/bosch/guardian/mux.c
>  create mode 100644 configs/am335x_guardian_defconfig
>  create mode 100644 include/configs/am335x_guardian.h
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 455f06cfee..d2b3dce2da 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1524,6 +1524,7 @@ source "arch/arm/cpu/armv8/Kconfig"
>  source "arch/arm/mach-imx/Kconfig"
>  
>  source "board/bosch/shc/Kconfig"
> +source "board/bosch/guardian/Kconfig"
>  source "board/CarMediaLab/flea3/Kconfig"
>  source "board/Marvell/aspenite/Kconfig"
>  source "board/Marvell/gplugd/Kconfig"

[...]

> diff --git a/arch/arm/dts/am335x-guardian.dts b/arch/arm/dts/am335x-guardian.dts
> new file mode 100644
> index 0000000000..d8652ab014
> --- /dev/null
> +++ b/arch/arm/dts/am335x-guardian.dts
> @@ -0,0 +1,511 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
> + * Copyright (C) 2018 Robert Bosch Power Tools GmbH
> + */
> +/dts-v1/;
> +
> +#include "am33xx.dtsi"
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> +	model = "Bosch AM335x Guardian";
> +	compatible = "bosch,am335x-guardian", "ti,am33xx";
> +
> +	chosen {
> +		stdout-path = &uart0;
> +		tick-timer = &timer2;
> +	};
> +
> +	cpus {
> +		cpu at 0 {
> +			cpu0-supply = <&dcdc2_reg>;
> +		};
> +	};
> +
> +	memory at 80000000 {
> +		device_type = "memory";
> +		reg = <0x80000000 0x10000000>; /* 256 MB */
> +	};
> +
> +	gpio_keys {
> +		compatible = "gpio-keys";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
The properties #address-cells and #size-cells can be removed as the only
child node does not have a reg property.

> +		pinctrl-names = "default";
> +		pinctrl-0 = <&gpio_keys_pins>;
> +
> +		button21 {
> +			label = "guardian-power-button";
> +			linux,code = <KEY_POWER>;
> +			gpios = <&gpio2 21 0>;
> +			wakeup-source;
> +		};
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&leds_pins>;
> +
> +		led1 {
> +			label = "green:heartbeat";
> +			gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "heartbeat";
> +			default-state = "off";
> +		};
> +
> +		led2 {
> +			label = "green:mmc0";
> +			gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "mmc0";
> +			default-state = "off";
> +		};
> +	};
> +

[...]

> diff --git a/board/bosch/guardian/board.c b/board/bosch/guardian/board.c
> new file mode 100644
> index 0000000000..7f6f500535
> --- /dev/null
> +++ b/board/bosch/guardian/board.c
> @@ -0,0 +1,186 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * board.c
> + *
> + * Board functions for Bosch Guardian
> + *
> + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
> + * Copyright (C) 2018 Robert Bosch Power Tools GmbH
> + */
> +
> +#include <common.h>
> +#include <errno.h>
> +#include <spl.h>
> +#include <asm/arch/cpu.h>
> +#include <asm/arch/hardware.h>
> +#include <asm/arch/omap.h>
> +#include <asm/arch/ddr_defs.h>
> +#include <asm/arch/clock.h>
> +#include <asm/arch/gpio.h>
> +#include <asm/arch/mmc_host_def.h>
> +#include <asm/arch/sys_proto.h>
> +#include <asm/arch/mem.h>
> +#include <asm/io.h>
> +#include <asm/emif.h>
> +#include <asm/gpio.h>
> +#include <dm.h>
> +#include <i2c.h>
> +#include <miiphy.h>
> +#include <cpsw.h>
> +#include <panel.h>
> +#include <power/tps65217.h>
> +#include <power/tps65910.h>
> +#include <environment.h>
> +#include <watchdog.h>
> +#include <environment.h>
> +#include "board.h"
> +
The suggested order of include files is:
  <common.h>
  <others.h>
  <asm/...>
  <arch/arm/...>
  <linux/...>
  "local.h"

> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#ifndef CONFIG_SKIP_LOWLEVEL_INIT
> +static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
> +
> +static const struct ddr_data ddr3_data = {
> +	.datardsratio0 = MT41K128M16JT125K_RD_DQS,
> +	.datawdsratio0 = MT41K128M16JT125K_WR_DQS,
> +	.datafwsratio0 = MT41K128M16JT125K_PHY_FIFO_WE,
> +	.datawrsratio0 = MT41K128M16JT125K_PHY_WR_DATA,
> +};
> +
> +static const struct cmd_control ddr3_cmd_ctrl_data = {
> +	.cmd0csratio = MT41K128M16JT125K_RATIO,
> +	.cmd0iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
> +
> +	.cmd1csratio = MT41K128M16JT125K_RATIO,
> +	.cmd1iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
> +
> +	.cmd2csratio = MT41K128M16JT125K_RATIO,
> +	.cmd2iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
> +};
> +
> +static struct emif_regs ddr3_emif_reg_data = {
> +	.sdram_config = MT41K128M16JT125K_EMIF_SDCFG,
> +	.ref_ctrl = MT41K128M16JT125K_EMIF_SDREF,
> +	.sdram_tim1 = MT41K128M16JT125K_EMIF_TIM1,
> +	.sdram_tim2 = MT41K128M16JT125K_EMIF_TIM2,
> +	.sdram_tim3 = MT41K128M16JT125K_EMIF_TIM3,
> +	.zq_config = MT41K128M16JT125K_ZQ_CFG,
> +	.emif_ddr_phy_ctlr_1 = MT41K128M16JT125K_EMIF_READ_LATENCY,
> +};
> +
> +#define OSC	(V_OSCK / 1000000)
> +const struct dpll_params dpll_ddr = {
> +		400, OSC - 1, 1, -1, -1, -1, -1};
> +
> +void am33xx_spl_board_init(void)
> +{
> +	int mpu_vdd;
> +	int usb_cur_lim;
> +
> +	/* Get the frequency */
> +	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
> +
> +	if (i2c_probe(TPS65217_CHIP_PM))
> +		return;
> +
> +	/*
> +	 * Increase USB current limit to 1300mA or 1800mA and set
> +	 * the MPU voltage controller as needed.
> +	 */
> +	if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
> +		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
> +		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
> +	} else {
> +		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
> +		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
> +	}
> +
> +	if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
> +			       TPS65217_POWER_PATH,
> +			       usb_cur_lim,
> +			       TPS65217_USB_INPUT_CUR_LIMIT_MASK))
> +		puts("tps65217_reg_write failure\n");
> +
> +	/* Set DCDC3 (CORE) voltage to 1.125V */
> +	if (tps65217_voltage_update(TPS65217_DEFDCDC3,
> +				    TPS65217_DCDC_VOLT_SEL_1125MV)) {
> +		puts("tps65217_voltage_update failure\n");
> +		return;
> +	}
> +
> +	/* Set CORE Frequencies to OPP100 */
> +	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
> +
> +	/* Set DCDC2 (MPU) voltage */
> +	if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
> +		puts("tps65217_voltage_update failure\n");
> +		return;
> +	}
> +
> +	/*
> +	 * Set LDO3 to 1.8V and LDO4 to 3.3V
> +	 */
> +	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
> +			       TPS65217_DEFLS1,
> +			       TPS65217_LDO_VOLTAGE_OUT_1_8,
> +			       TPS65217_LDO_MASK))
> +		puts("tps65217_reg_write failure\n");
> +
> +	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
> +			       TPS65217_DEFLS2,
> +			       TPS65217_LDO_VOLTAGE_OUT_3_3,
> +			       TPS65217_LDO_MASK))
> +		puts("tps65217_reg_write failure\n");
> +
> +	/* Set MPU Frequency to what we detected now that voltages are set */
> +	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
> +}
> +
> +const struct dpll_params *get_dpll_ddr_params(void)
> +{
> +	enable_i2c0_pin_mux();
> +	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
> +
> +	return &dpll_ddr;
> +}
> +
> +void set_uart_mux_conf(void)
> +{
> +	enable_uart0_pin_mux();
> +}
> +
> +void set_mux_conf_regs(void)
> +{
> +	enable_board_pin_mux();
> +}
> +
> +const struct ctrl_ioregs ioregs = {
> +	.cm0ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
> +	.cm1ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
> +	.cm2ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
> +	.dt0ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
> +	.dt1ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
> +};
> +
> +void sdram_init(void)
> +{
> +	config_ddr(400, &ioregs,
> +		   &ddr3_data,
> +		   &ddr3_cmd_ctrl_data,
> +		   &ddr3_emif_reg_data, 0);
> +}
> +#endif
> +
> +int board_init(void)
> +{
> +#if defined(CONFIG_HW_WATCHDOG)
> +	hw_watchdog_init();
> +#endif
> +
> +	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
> +
> +#ifdef CONFIG_NAND
> +	gpmc_init();
> +#endif
> +	return 0;
> +}
> diff --git a/board/bosch/guardian/board.h b/board/bosch/guardian/board.h
> new file mode 100644
> index 0000000000..b301caf47f
> --- /dev/null
> +++ b/board/bosch/guardian/board.h
> @@ -0,0 +1,17 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * board.h
> + *
> + * Board header for Bosch Guardian
> + *
> + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
> + * Copyright (C) 2018 Robert Bosch Power Tools GmbH
> + */
> +
> +#ifndef _BOARD_H_
> +#define _BOARD_H_
> +
> +void enable_uart0_pin_mux(void);
> +void enable_i2c0_pin_mux(void);
> +void enable_board_pin_mux(void);
> +#endif
> diff --git a/board/bosch/guardian/mux.c b/board/bosch/guardian/mux.c
> new file mode 100644
> index 0000000000..93f40b8a02
> --- /dev/null
> +++ b/board/bosch/guardian/mux.c
> @@ -0,0 +1,99 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * mux.c
> + *
> + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
> + * Copyright (C) 2018 Robert Bosch Power Tools GmbH
> + */
> +
> +#include <common.h>
> +#include <asm/arch/sys_proto.h>
> +#include <asm/arch/hardware.h>
> +#include <asm/arch/mux.h>
> +#include <asm/io.h>
> +#include <i2c.h>
> +#include "board.h"
> +
Order of include files (same as above).

> +static struct module_pin_mux uart0_pin_mux[] = {
> +	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},
> +	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},
> +	{-1},
> +};
> +
> +static struct module_pin_mux i2c0_pin_mux[] = {
> +	{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
> +	{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
> +	{-1},
> +};
> +
> +static struct module_pin_mux adc_voltages_en[] = {
> +	{OFFSET(mcasp0_ahclkx), (MODE(7) | PULLUP_EN)},
> +	{-1},
> +};
> +
> +static struct module_pin_mux asp_power_en[] = {
> +	{OFFSET(mcasp0_aclkx), (MODE(7) | PULLUP_EN)},
> +	{-1},
> +};
> +
> +static struct module_pin_mux switch_off_3v6_pin_mux[] = {
> +	{OFFSET(mii1_txd0), (MODE(7) | PULLUP_EN)},
> +	/*
> +	 * The uart1 lines are made floating inputs, based on the Guardian
> +	 * A2 Sample Power Supply Schematics
> +	 */
> +	{OFFSET(uart1_rxd), (MODE(7) | PULLUDDIS)},
> +	{OFFSET(uart1_txd), (MODE(7) | PULLUDDIS)},
> +	{-1},
> +};
> +
> +#ifdef CONFIG_NAND
> +static struct module_pin_mux nand_pin_mux[] = {
> +	{OFFSET(gpmc_ad0),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad1),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad2),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad3),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad4),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad5),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad6),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad7),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +#ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT
> +	{OFFSET(gpmc_ad8),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad9),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad10),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad11),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad12),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad13),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad14),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad15),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +#endif
> +	{OFFSET(gpmc_wait0),    (MODE(0) | PULLUP_EN | RXACTIVE)},
> +	{OFFSET(gpmc_wpn),      (MODE(7) | PULLUP_EN)},
> +	{OFFSET(gpmc_csn0),     (MODE(0) | PULLUP_EN)},
> +	{OFFSET(gpmc_wen),      (MODE(0) | PULLDOWN_EN)},
> +	{OFFSET(gpmc_oen_ren),  (MODE(0) | PULLDOWN_EN)},
> +	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLDOWN_EN)},
> +	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLDOWN_EN)},
> +	{-1},
> +};
> +#endif
> +
> +void enable_uart0_pin_mux(void)
> +{
> +	configure_module_pin_mux(uart0_pin_mux);
> +}
> +
> +void enable_i2c0_pin_mux(void)
> +{
> +	configure_module_pin_mux(i2c0_pin_mux);
> +}
> +
> +void enable_board_pin_mux(void)
> +{
> +#ifdef CONFIG_NAND
> +	configure_module_pin_mux(nand_pin_mux);
> +#endif
> +	configure_module_pin_mux(adc_voltages_en);
> +	configure_module_pin_mux(asp_power_en);
> +	configure_module_pin_mux(switch_off_3v6_pin_mux);
> +}

regards, Felix

[U-Boot] [PATCH v2 3/3] am335x, guardian: Add support for the bosch guardian board

[Felix Brack]

On 22.02.19 18:52, Martyn Welch wrote:

Same post as some minutes ago but with correct sender, sorry.

> From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
> 
> Add support for the Bosch Guardian board.
> 
> CPU  : AM335X-GP rev 2.1
> Model: Bosch AM335x Guardian
> I2C:   ready
> DRAM:  256 MiB
> NAND:  512 MiB
> MMC:   OMAP SD/MMC: 0
> 
> Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
> Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
> 
> ---
> 
> Changes in v2:
> - Correct guard #ifdef naming in board config header
> - Remove missed cruft from board files
> 
>  arch/arm/Kconfig                         |   1 +
>  arch/arm/dts/am335x-guardian-u-boot.dtsi |  66 +++
>  arch/arm/dts/am335x-guardian.dts         | 511 +++++++++++++++++++++++
>  arch/arm/mach-omap2/am33xx/Kconfig       |   7 +
>  board/bosch/guardian/Kconfig             |  15 +
>  board/bosch/guardian/MAINTAINERS         |   6 +
>  board/bosch/guardian/Makefile            |  12 +
>  board/bosch/guardian/board.c             | 186 +++++++++
>  board/bosch/guardian/board.h             |  17 +
>  board/bosch/guardian/mux.c               |  99 +++++
>  configs/am335x_guardian_defconfig        |  90 ++++
>  include/configs/am335x_guardian.h        | 111 +++++
>  12 files changed, 1121 insertions(+)
>  create mode 100644 arch/arm/dts/am335x-guardian-u-boot.dtsi
>  create mode 100644 arch/arm/dts/am335x-guardian.dts
>  create mode 100644 board/bosch/guardian/Kconfig
>  create mode 100644 board/bosch/guardian/MAINTAINERS
>  create mode 100644 board/bosch/guardian/Makefile
>  create mode 100644 board/bosch/guardian/board.c
>  create mode 100644 board/bosch/guardian/board.h
>  create mode 100644 board/bosch/guardian/mux.c
>  create mode 100644 configs/am335x_guardian_defconfig
>  create mode 100644 include/configs/am335x_guardian.h
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 455f06cfee..d2b3dce2da 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1524,6 +1524,7 @@ source "arch/arm/cpu/armv8/Kconfig"
>  source "arch/arm/mach-imx/Kconfig"
>  
>  source "board/bosch/shc/Kconfig"
> +source "board/bosch/guardian/Kconfig"
>  source "board/CarMediaLab/flea3/Kconfig"
>  source "board/Marvell/aspenite/Kconfig"
>  source "board/Marvell/gplugd/Kconfig"

[...]

> diff --git a/arch/arm/dts/am335x-guardian.dts b/arch/arm/dts/am335x-guardian.dts
> new file mode 100644
> index 0000000000..d8652ab014
> --- /dev/null
> +++ b/arch/arm/dts/am335x-guardian.dts
> @@ -0,0 +1,511 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
> + * Copyright (C) 2018 Robert Bosch Power Tools GmbH
> + */
> +/dts-v1/;
> +
> +#include "am33xx.dtsi"
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> +	model = "Bosch AM335x Guardian";
> +	compatible = "bosch,am335x-guardian", "ti,am33xx";
> +
> +	chosen {
> +		stdout-path = &uart0;
> +		tick-timer = &timer2;
> +	};
> +
> +	cpus {
> +		cpu at 0 {
> +			cpu0-supply = <&dcdc2_reg>;
> +		};
> +	};
> +
> +	memory at 80000000 {
> +		device_type = "memory";
> +		reg = <0x80000000 0x10000000>; /* 256 MB */
> +	};
> +
> +	gpio_keys {
> +		compatible = "gpio-keys";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
The properties #address-cells and #size-cells can be removed as the only
child node does not have a reg property.

> +		pinctrl-names = "default";
> +		pinctrl-0 = <&gpio_keys_pins>;
> +
> +		button21 {
> +			label = "guardian-power-button";
> +			linux,code = <KEY_POWER>;
> +			gpios = <&gpio2 21 0>;
> +			wakeup-source;
> +		};
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&leds_pins>;
> +
> +		led1 {
> +			label = "green:heartbeat";
> +			gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "heartbeat";
> +			default-state = "off";
> +		};
> +
> +		led2 {
> +			label = "green:mmc0";
> +			gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "mmc0";
> +			default-state = "off";
> +		};
> +	};
> +

[...]

> diff --git a/board/bosch/guardian/board.c b/board/bosch/guardian/board.c
> new file mode 100644
> index 0000000000..7f6f500535
> --- /dev/null
> +++ b/board/bosch/guardian/board.c
> @@ -0,0 +1,186 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * board.c
> + *
> + * Board functions for Bosch Guardian
> + *
> + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
> + * Copyright (C) 2018 Robert Bosch Power Tools GmbH
> + */
> +
> +#include <common.h>
> +#include <errno.h>
> +#include <spl.h>
> +#include <asm/arch/cpu.h>
> +#include <asm/arch/hardware.h>
> +#include <asm/arch/omap.h>
> +#include <asm/arch/ddr_defs.h>
> +#include <asm/arch/clock.h>
> +#include <asm/arch/gpio.h>
> +#include <asm/arch/mmc_host_def.h>
> +#include <asm/arch/sys_proto.h>
> +#include <asm/arch/mem.h>
> +#include <asm/io.h>
> +#include <asm/emif.h>
> +#include <asm/gpio.h>
> +#include <dm.h>
> +#include <i2c.h>
> +#include <miiphy.h>
> +#include <cpsw.h>
> +#include <panel.h>
> +#include <power/tps65217.h>
> +#include <power/tps65910.h>
> +#include <environment.h>
> +#include <watchdog.h>
> +#include <environment.h>
> +#include "board.h"
> +
The suggested order of include files is:
  <common.h>
  <others.h>
  <asm/...>
  <arch/arm/...>
  <linux/...>
  "local.h"

> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#ifndef CONFIG_SKIP_LOWLEVEL_INIT
> +static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
> +
> +static const struct ddr_data ddr3_data = {
> +	.datardsratio0 = MT41K128M16JT125K_RD_DQS,
> +	.datawdsratio0 = MT41K128M16JT125K_WR_DQS,
> +	.datafwsratio0 = MT41K128M16JT125K_PHY_FIFO_WE,
> +	.datawrsratio0 = MT41K128M16JT125K_PHY_WR_DATA,
> +};
> +
> +static const struct cmd_control ddr3_cmd_ctrl_data = {
> +	.cmd0csratio = MT41K128M16JT125K_RATIO,
> +	.cmd0iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
> +
> +	.cmd1csratio = MT41K128M16JT125K_RATIO,
> +	.cmd1iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
> +
> +	.cmd2csratio = MT41K128M16JT125K_RATIO,
> +	.cmd2iclkout = MT41K128M16JT125K_INVERT_CLKOUT,
> +};
> +
> +static struct emif_regs ddr3_emif_reg_data = {
> +	.sdram_config = MT41K128M16JT125K_EMIF_SDCFG,
> +	.ref_ctrl = MT41K128M16JT125K_EMIF_SDREF,
> +	.sdram_tim1 = MT41K128M16JT125K_EMIF_TIM1,
> +	.sdram_tim2 = MT41K128M16JT125K_EMIF_TIM2,
> +	.sdram_tim3 = MT41K128M16JT125K_EMIF_TIM3,
> +	.zq_config = MT41K128M16JT125K_ZQ_CFG,
> +	.emif_ddr_phy_ctlr_1 = MT41K128M16JT125K_EMIF_READ_LATENCY,
> +};
> +
> +#define OSC	(V_OSCK / 1000000)
> +const struct dpll_params dpll_ddr = {
> +		400, OSC - 1, 1, -1, -1, -1, -1};
> +
> +void am33xx_spl_board_init(void)
> +{
> +	int mpu_vdd;
> +	int usb_cur_lim;
> +
> +	/* Get the frequency */
> +	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
> +
> +	if (i2c_probe(TPS65217_CHIP_PM))
> +		return;
> +
> +	/*
> +	 * Increase USB current limit to 1300mA or 1800mA and set
> +	 * the MPU voltage controller as needed.
> +	 */
> +	if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
> +		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
> +		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
> +	} else {
> +		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
> +		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
> +	}
> +
> +	if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
> +			       TPS65217_POWER_PATH,
> +			       usb_cur_lim,
> +			       TPS65217_USB_INPUT_CUR_LIMIT_MASK))
> +		puts("tps65217_reg_write failure\n");
> +
> +	/* Set DCDC3 (CORE) voltage to 1.125V */
> +	if (tps65217_voltage_update(TPS65217_DEFDCDC3,
> +				    TPS65217_DCDC_VOLT_SEL_1125MV)) {
> +		puts("tps65217_voltage_update failure\n");
> +		return;
> +	}
> +
> +	/* Set CORE Frequencies to OPP100 */
> +	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
> +
> +	/* Set DCDC2 (MPU) voltage */
> +	if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
> +		puts("tps65217_voltage_update failure\n");
> +		return;
> +	}
> +
> +	/*
> +	 * Set LDO3 to 1.8V and LDO4 to 3.3V
> +	 */
> +	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
> +			       TPS65217_DEFLS1,
> +			       TPS65217_LDO_VOLTAGE_OUT_1_8,
> +			       TPS65217_LDO_MASK))
> +		puts("tps65217_reg_write failure\n");
> +
> +	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
> +			       TPS65217_DEFLS2,
> +			       TPS65217_LDO_VOLTAGE_OUT_3_3,
> +			       TPS65217_LDO_MASK))
> +		puts("tps65217_reg_write failure\n");
> +
> +	/* Set MPU Frequency to what we detected now that voltages are set */
> +	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
> +}
> +
> +const struct dpll_params *get_dpll_ddr_params(void)
> +{
> +	enable_i2c0_pin_mux();
> +	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
> +
> +	return &dpll_ddr;
> +}
> +
> +void set_uart_mux_conf(void)
> +{
> +	enable_uart0_pin_mux();
> +}
> +
> +void set_mux_conf_regs(void)
> +{
> +	enable_board_pin_mux();
> +}
> +
> +const struct ctrl_ioregs ioregs = {
> +	.cm0ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
> +	.cm1ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
> +	.cm2ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
> +	.dt0ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
> +	.dt1ioctl		= MT41K128M16JT125K_IOCTRL_VALUE,
> +};
> +
> +void sdram_init(void)
> +{
> +	config_ddr(400, &ioregs,
> +		   &ddr3_data,
> +		   &ddr3_cmd_ctrl_data,
> +		   &ddr3_emif_reg_data, 0);
> +}
> +#endif
> +
> +int board_init(void)
> +{
> +#if defined(CONFIG_HW_WATCHDOG)
> +	hw_watchdog_init();
> +#endif
> +
> +	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
> +
> +#ifdef CONFIG_NAND
> +	gpmc_init();
> +#endif
> +	return 0;
> +}
> diff --git a/board/bosch/guardian/board.h b/board/bosch/guardian/board.h
> new file mode 100644
> index 0000000000..b301caf47f
> --- /dev/null
> +++ b/board/bosch/guardian/board.h
> @@ -0,0 +1,17 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * board.h
> + *
> + * Board header for Bosch Guardian
> + *
> + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
> + * Copyright (C) 2018 Robert Bosch Power Tools GmbH
> + */
> +
> +#ifndef _BOARD_H_
> +#define _BOARD_H_
> +
> +void enable_uart0_pin_mux(void);
> +void enable_i2c0_pin_mux(void);
> +void enable_board_pin_mux(void);
> +#endif
> diff --git a/board/bosch/guardian/mux.c b/board/bosch/guardian/mux.c
> new file mode 100644
> index 0000000000..93f40b8a02
> --- /dev/null
> +++ b/board/bosch/guardian/mux.c
> @@ -0,0 +1,99 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * mux.c
> + *
> + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
> + * Copyright (C) 2018 Robert Bosch Power Tools GmbH
> + */
> +
> +#include <common.h>
> +#include <asm/arch/sys_proto.h>
> +#include <asm/arch/hardware.h>
> +#include <asm/arch/mux.h>
> +#include <asm/io.h>
> +#include <i2c.h>
> +#include "board.h"
> +
Order of include files (same as above).

> +static struct module_pin_mux uart0_pin_mux[] = {
> +	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},
> +	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},
> +	{-1},
> +};
> +
> +static struct module_pin_mux i2c0_pin_mux[] = {
> +	{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
> +	{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
> +	{-1},
> +};
> +
> +static struct module_pin_mux adc_voltages_en[] = {
> +	{OFFSET(mcasp0_ahclkx), (MODE(7) | PULLUP_EN)},
> +	{-1},
> +};
> +
> +static struct module_pin_mux asp_power_en[] = {
> +	{OFFSET(mcasp0_aclkx), (MODE(7) | PULLUP_EN)},
> +	{-1},
> +};
> +
> +static struct module_pin_mux switch_off_3v6_pin_mux[] = {
> +	{OFFSET(mii1_txd0), (MODE(7) | PULLUP_EN)},
> +	/*
> +	 * The uart1 lines are made floating inputs, based on the Guardian
> +	 * A2 Sample Power Supply Schematics
> +	 */
> +	{OFFSET(uart1_rxd), (MODE(7) | PULLUDDIS)},
> +	{OFFSET(uart1_txd), (MODE(7) | PULLUDDIS)},
> +	{-1},
> +};
> +
> +#ifdef CONFIG_NAND
> +static struct module_pin_mux nand_pin_mux[] = {
> +	{OFFSET(gpmc_ad0),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad1),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad2),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad3),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad4),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad5),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad6),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad7),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +#ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT
> +	{OFFSET(gpmc_ad8),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad9),      (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad10),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad11),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad12),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad13),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad14),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +	{OFFSET(gpmc_ad15),     (MODE(0) | PULLUDDIS | RXACTIVE)},
> +#endif
> +	{OFFSET(gpmc_wait0),    (MODE(0) | PULLUP_EN | RXACTIVE)},
> +	{OFFSET(gpmc_wpn),      (MODE(7) | PULLUP_EN)},
> +	{OFFSET(gpmc_csn0),     (MODE(0) | PULLUP_EN)},
> +	{OFFSET(gpmc_wen),      (MODE(0) | PULLDOWN_EN)},
> +	{OFFSET(gpmc_oen_ren),  (MODE(0) | PULLDOWN_EN)},
> +	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLDOWN_EN)},
> +	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLDOWN_EN)},
> +	{-1},
> +};
> +#endif
> +
> +void enable_uart0_pin_mux(void)
> +{
> +	configure_module_pin_mux(uart0_pin_mux);
> +}
> +
> +void enable_i2c0_pin_mux(void)
> +{
> +	configure_module_pin_mux(i2c0_pin_mux);
> +}
> +
> +void enable_board_pin_mux(void)
> +{
> +#ifdef CONFIG_NAND
> +	configure_module_pin_mux(nand_pin_mux);
> +#endif
> +	configure_module_pin_mux(adc_voltages_en);
> +	configure_module_pin_mux(asp_power_en);
> +	configure_module_pin_mux(switch_off_3v6_pin_mux);
> +}

regards, Felix