From 6bbda88384948808dd4050624a6c27d6d63265a1 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Sun, 7 Oct 2012 11:36:06 +0000 Subject: tegra: add Colibri T20 board support This adds board support for the Toradex Colibri T20 module. Working functions: - SD card boot - USB boot - Network - NAND environment Signed-off-by: Lucas Stach Signed-off-by: Tom Warren --- .../colibri_t20-common/colibri_t20-common.c | 44 +++++++++++++++++++++ .../colibri_t20-common/colibri_t20-common.h | 16 ++++++++ board/toradex/colibri_t20_iris/Makefile | 40 +++++++++++++++++++ board/toradex/colibri_t20_iris/colibri_t20_iris.c | 46 ++++++++++++++++++++++ board/toradex/dts/tegra20-colibri_t20_iris.dts | 38 ++++++++++++++++++ 5 files changed, 184 insertions(+) create mode 100644 board/toradex/colibri_t20-common/colibri_t20-common.c create mode 100644 board/toradex/colibri_t20-common/colibri_t20-common.h create mode 100644 board/toradex/colibri_t20_iris/Makefile create mode 100644 board/toradex/colibri_t20_iris/colibri_t20_iris.c create mode 100644 board/toradex/dts/tegra20-colibri_t20_iris.dts (limited to 'board/toradex') diff --git a/board/toradex/colibri_t20-common/colibri_t20-common.c b/board/toradex/colibri_t20-common/colibri_t20-common.c new file mode 100644 index 0000000..6d5e47d --- /dev/null +++ b/board/toradex/colibri_t20-common/colibri_t20-common.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2012 Lucas Stach + * + * 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. + * + */ + +#include +#include +#include +#include +#include + +#include "colibri_t20-common.h" + +#ifdef CONFIG_USB_EHCI_TEGRA +void colibri_t20_common_pin_mux_usb(void) +{ + /* module internal USB bus to connect ethernet chipset */ + funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI); + /* ULPI reference clock output */ + pinmux_set_func(PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4); + pinmux_tristate_disable(PINGRP_CDEV2); + /* PHY reset GPIO */ + pinmux_tristate_disable(PINGRP_UAC); + /* VBus GPIO */ + pinmux_tristate_disable(PINGRP_DTE); +} +#endif + +#ifdef CONFIG_TEGRA_NAND +void pin_mux_nand(void) +{ + funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_NDFLASH_KBC_8_BIT); +} +#endif diff --git a/board/toradex/colibri_t20-common/colibri_t20-common.h b/board/toradex/colibri_t20-common/colibri_t20-common.h new file mode 100644 index 0000000..76dc860 --- /dev/null +++ b/board/toradex/colibri_t20-common/colibri_t20-common.h @@ -0,0 +1,16 @@ +/* + * Copyright (C) 2012 Lucas Stach + * + * 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. + * + */ + +void colibri_t20_common_pin_mux_usb(void); diff --git a/board/toradex/colibri_t20_iris/Makefile b/board/toradex/colibri_t20_iris/Makefile new file mode 100644 index 0000000..c138729 --- /dev/null +++ b/board/toradex/colibri_t20_iris/Makefile @@ -0,0 +1,40 @@ +# +# (C) Copyright 2012 Lucas Stach +# +# 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. +# +# + +include $(TOPDIR)/config.mk + +$(shell mkdir -p $(obj)../../nvidia/common) +$(shell mkdir -p $(obj)../colibri_t20-common) + +LIB = $(obj)lib$(BOARD).o + +COBJS := ../../nvidia/common/board.o +COBJS += ../colibri_t20-common/colibri_t20-common.o +COBJS += $(BOARD).o + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/toradex/colibri_t20_iris/colibri_t20_iris.c b/board/toradex/colibri_t20_iris/colibri_t20_iris.c new file mode 100644 index 0000000..e40a986 --- /dev/null +++ b/board/toradex/colibri_t20_iris/colibri_t20_iris.c @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2012 Lucas Stach + * + * 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. + * + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "../colibri_t20-common/colibri_t20-common.h" + +#ifdef CONFIG_USB_EHCI_TEGRA +void pin_mux_usb(void) +{ + colibri_t20_common_pin_mux_usb(); + + /* USB 1 aka Tegra USB port 3 VBus*/ + pinmux_tristate_disable(PINGRP_SPIG); +} +#endif + +#ifdef CONFIG_TEGRA_MMC +int board_mmc_init(bd_t *bd) +{ + funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT); + pinmux_tristate_disable(PINGRP_GMB); + + tegra_mmc_init(0, 4, -1, GPIO_PC7); + + return 0; +} +#endif diff --git a/board/toradex/dts/tegra20-colibri_t20_iris.dts b/board/toradex/dts/tegra20-colibri_t20_iris.dts new file mode 100644 index 0000000..c29b43a --- /dev/null +++ b/board/toradex/dts/tegra20-colibri_t20_iris.dts @@ -0,0 +1,38 @@ +/dts-v1/; + +/include/ ARCH_CPU_DTS + +/ { + model = "Toradex Colibri T20"; + compatible = "toradex,t20", "nvidia,tegra20"; + + aliases { + usb0 = "/usb@c5008000"; + usb1 = "/usb@c5000000"; + usb2 = "/usb@c5004000"; + }; + + usb@c5000000 { + dr_mode = "otg"; + }; + + usb@c5004000 { + nvidia,phy-reset-gpio = <&gpio 169 0>; /* PV1 */ + nvidia,vbus-gpio = <&gpio 217 0>; /* PBB1 */ + }; + + usb@c5008000 { + nvidia,vbus-gpio = <&gpio 178 1>; /* PW2 low-active */ + }; + + nand-controller@70008000 { + nvidia,wp-gpios = <&gpio 144 0>; /* PS0 */ + nvidia,width = <8>; + nvidia,timing = <15 100 25 80 25 10 15 10 100>; + + nand@0 { + reg = <0>; + compatible = "nand-flash"; + }; + }; +}; -- cgit v1.1