[U-Boot] [PATCH v2] tegra: add Colibri T20 board support

[Lucas Stach <dev@lynxeye.de>]

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 <dev@lynxeye.de>
CC: Stephen Warren <swarren@wwwdotorg.org>
CC: Tom Warren <twarren.nvidia@gmail.com>
---
v2: rename .dts file to match board name
---
 MAINTAINERS                               |  4 ++
 board/toradex/colibri_t20/Makefile        | 38 ++++++++++++++
 board/toradex/colibri_t20/colibri_t20.c   | 64 +++++++++++++++++++++++
 board/toradex/dts/tegra20-colibri_t20.dts | 39 ++++++++++++++
 boards.cfg                                |  1 +
 include/configs/colibri_t20.h             | 84 +++++++++++++++++++++++++++++++
 6 Dateien ge?ndert, 230 Zeilen hinzugef?gt(+)
 create mode 100644 board/toradex/colibri_t20/Makefile
 create mode 100644 board/toradex/colibri_t20/colibri_t20.c
 create mode 100644 board/toradex/dts/tegra20-colibri_t20.dts
 create mode 100644 include/configs/colibri_t20.h

diff --git a/MAINTAINERS b/MAINTAINERS
index a00e850..6b3e9a4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -890,6 +890,10 @@ Matt Sealey <matt@genesi-usa.com>
 Bo Shen <voice.shen@atmel.com>
 	at91sam9x5ek		ARM926EJS (AT91SAM9G15,G25,G35,X25,X35 SoC)
 
+Lucas Stach <dev@lynxeye.de>
+
+	colibri_t20		Tegra20 (ARM7 & A9 Dual Core)
+
 Nick Thompson <nick.thompson@gefanuc.com>
 
 	da830evm	ARM926EJS (DA830/OMAP-L137)
diff --git a/board/toradex/colibri_t20/Makefile b/board/toradex/colibri_t20/Makefile
new file mode 100644
index 0000000..b8c61b6
--- /dev/null
+++ b/board/toradex/colibri_t20/Makefile
@@ -0,0 +1,38 @@
+#
+#  (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)
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS	:= ../../nvidia/common/board.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
+
+#########################################################################
\ No newline at end of file
diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c
new file mode 100644
index 0000000..0ad4311
--- /dev/null
+++ b/board/toradex/colibri_t20/colibri_t20.c
@@ -0,0 +1,64 @@
+/*
+ *  Copyright (C) 2010,2011 NVIDIA Corporation <www.nvidia.com>
+ *  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 <common.h>
+#include <asm/gpio.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch-tegra/board.h>
+#include <asm/arch-tegra/sys_proto.h>
+#include <asm/arch-tegra/tegra.h>
+
+#ifdef CONFIG_TEGRA_MMC
+#include <asm/arch-tegra/mmc.h>
+#endif
+
+#ifdef CONFIG_USB_EHCI_TEGRA
+void pin_mux_usb(void)
+{
+	/* USB 1 aka Tegra USB port 3 */
+	pinmux_tristate_disable(PINGRP_SPIG);
+
+	/* USB 3 aka Tegra USB port 2 */
+	funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI);
+	pinmux_tristate_disable(PINGRP_UAC);
+	/* ULPI reference clock output */
+	pinmux_set_func(PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4);
+	pinmux_tristate_disable(PINGRP_CDEV2);
+	/* VBus GPIO */
+	pinmux_tristate_disable(PINGRP_DTE);
+}
+#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
+
+#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/dts/tegra20-colibri_t20.dts b/board/toradex/dts/tegra20-colibri_t20.dts
new file mode 100644
index 0000000..29db0c8
--- /dev/null
+++ b/board/toradex/dts/tegra20-colibri_t20.dts
@@ -0,0 +1,39 @@
+/dts-v1/;
+
+/include/ ARCH_CPU_DTS
+
+/ {
+	model = "Toradex Colibri T20";
+	compatible = "toradex,t20", "nvidia,tegra20";
+
+	aliases {
+		/* This defines the order of our USB ports */
+		usb0 = "/usb at c5008000";
+		usb1 = "/usb at c5000000";
+		usb2 = "/usb at c5004000";
+	};
+
+	usb at c5000000 {
+		dr_mode = "otg";
+	};
+
+	usb at c5004000 {
+		nvidia,phy-reset-gpio = <&gpio 169 0>; /* PV1 */
+		nvidia,vbus-gpio = <&gpio 217 0>; /* PBB1 */
+	};
+
+	usb at c5008000 {
+		nvidia,vbus-gpio = <&gpio 178 1>; /* PW2 low-active */
+	};
+
+	nand-controller at 70008000 {
+		nvidia,wp-gpios = <&gpio 144 0>; /* PS0 */
+		nvidia,width = <8>;
+		nvidia,timing = <15 100 25 80 25 10 15 10 100>;
+
+		nand at 0 {
+			reg = <0>;
+			compatible = "nand-flash";
+		};
+	};
+};
diff --git a/boards.cfg b/boards.cfg
index 4ae6656..1a33b44 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -270,6 +270,7 @@ harmony                      arm         armv7:arm720t harmony           nvidia
 seaboard                     arm         armv7:arm720t seaboard          nvidia         tegra20
 ventana                      arm         armv7:arm720t ventana           nvidia         tegra20
 whistler                     arm         armv7:arm720t whistler          nvidia         tegra20
+colibri_t20                  arm         armv7:arm720t colibri_t20       toradex        tegra20
 u8500_href                   arm         armv7       u8500               st-ericsson    u8500
 snowball                     arm         armv7       snowball               st-ericsson    u8500
 actux1_4_16                  arm         ixp         actux1              -              -           actux1:FLASH2X2
diff --git a/include/configs/colibri_t20.h b/include/configs/colibri_t20.h
new file mode 100644
index 0000000..9958d5d
--- /dev/null
+++ b/include/configs/colibri_t20.h
@@ -0,0 +1,84 @@
+/*
+ *  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.
+ *
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include "tegra20-common.h"
+
+/* Enable FDT support */
+#define CONFIG_DEFAULT_DEVICE_TREE	tegra20-colibri_t20
+#define CONFIG_OF_CONTROL
+#define CONFIG_OF_SEPARATE
+
+/* High-level configuration options */
+#define V_PROMPT                   "Tegra20 (Colibri) # "
+#define CONFIG_TEGRA_BOARD_STRING  "Toradex Colibri T20"
+
+/* Board-specific serial config */
+#define CONFIG_TEGRA_ENABLE_UARTA
+#define CONFIG_TEGRA_UARTA_SDIO1
+#define CONFIG_SYS_NS16550_COM1    NV_PA_APB_UARTA_BASE
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+/* SD/MMC support */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_TEGRA_MMC
+#define CONFIG_CMD_MMC
+
+/* File system support */
+#define CONFIG_DOS_PARTITION
+#define CONFIG_EFI_PARTITION
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+
+/* USB host support */
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_TEGRA
+#define CONFIG_USB_ULPI
+#define CONFIG_USB_ULPI_VIEWPORT
+#define CONFIG_USB_STORAGE
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 3
+#define CONFIG_CMD_USB
+
+/* USB networking support */
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_ASIX
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_NFS
+#define CONFIG_CMD_PING
+
+/* NAND support */
+#define CONFIG_CMD_NAND
+#define CONFIG_TEGRA_NAND
+#define CONFIG_SYS_MAX_NAND_DEVICE     1
+#define CONFIG_SYS_NAND_BASE           TEGRA20_NAND_BASE
+
+/* Environment in NAND, 64K is a bit excessive but erase block is 512K anyway */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET              (SZ_2M)
+#undef CONFIG_ENV_SIZE /* undef size from tegra20-common.h */
+#define CONFIG_ENV_SIZE                (SZ_64K)
+
+/* Debug commands */
+#define CONFIG_CMD_BDI
+#define CONFIG_CMD_CACHE
+
+#include "tegra-common-post.h"
+
+#endif /* __CONFIG_H */
-- 
1.7.11.4