diff options
author | Wolfgang Denk <wd@denx.de> | 2012-07-10 06:54:41 (GMT) |
---|---|---|
committer | Wolfgang Denk <wd@denx.de> | 2012-07-10 06:54:41 (GMT) |
commit | 895f3e0542015b347298c8b501e63d5f32002c04 (patch) | |
tree | 4df04c7f3480d75bd02925d09aa1cbb5049a3fc9 /arch | |
parent | 30704dae469c092766c346b3bef7ac001fa45511 (diff) | |
parent | 63905f1616fc2f827e986d8e82a5a2b69f4a0e6a (diff) | |
download | u-boot-fsl-qoriq-895f3e0542015b347298c8b501e63d5f32002c04.tar.xz |
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm:
tegra: define fdt_load/fdt_high variables
tegra: enable bootz command
tegra: usb: Fix device enumeration problem of USB1
tegra: trimslice: set up serial flash pinmux
tegra: add pin_mux_spi() board initialization function
tegra: add GMC/GMD funcmux entry for SFLASH
tegra: bootcmd: start USB only when needed
tegra: bootcmd enhancements
tegra: add enterrcm command
tegra: enable CONFIG_ENV_VARS_UBOOT_CONFIG
Add env vars describing U-Boot target board
tegra: usb: fix wrong error check
tegra: add ULPI on USB2 funcmux entry
tegra: fix leftover CONFIG_TEGRA2_MMC & _SPI build switches
tegra: Add Tamonten Evaluation Carrier support
tegra: Use SD write-protect GPIO on Tamonten
tegra: Implement gpio_early_init() on Tamonten
tegra: Allow boards to perform early GPIO setup
tegra: plutux: Add device tree support
tegra: medcom: Add device tree support
tegra: Rework Tamonten support
beagle: add eeprom expansion board info for bct brettl4
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/cpu/armv7/tegra2/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/tegra2/cmd_enterrcm.c | 65 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/tegra2/funcmux.c | 23 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/tegra2/usb.c | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-tegra2/funcmux.h | 6 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-tegra2/tegra2.h | 1 |
6 files changed, 96 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv7/tegra2/Makefile b/arch/arm/cpu/armv7/tegra2/Makefile index 08c4137..80da453 100644 --- a/arch/arm/cpu/armv7/tegra2/Makefile +++ b/arch/arm/cpu/armv7/tegra2/Makefile @@ -39,6 +39,7 @@ COBJS-$(CONFIG_TEGRA_CLOCK_SCALING) += emc.o COBJS-$(CONFIG_TEGRA_PMU) += pmu.o COBJS-$(CONFIG_USB_EHCI_TEGRA) += usb.o COBJS-$(CONFIG_TEGRA2_LP0) += crypto.o warmboot.o warmboot_avp.o +COBJS-$(CONFIG_CMD_ENTERRCM) += cmd_enterrcm.o COBJS := $(COBJS-y) SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/arch/arm/cpu/armv7/tegra2/cmd_enterrcm.c b/arch/arm/cpu/armv7/tegra2/cmd_enterrcm.c new file mode 100644 index 0000000..2fcd107 --- /dev/null +++ b/arch/arm/cpu/armv7/tegra2/cmd_enterrcm.c @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * Derived from code (arch/arm/lib/reset.c) that is: + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <azu@sysgo.de> + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> + * + * (C) Copyright 2004 + * DAVE Srl + * http://www.dave-tech.it + * http://www.wawnet.biz + * mailto:info@wawnet.biz + * + * (C) Copyright 2004 Texas Insturments + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <common.h> +#include <asm/arch/tegra2.h> +#include <asm/arch/pmc.h> + +static int do_enterrcm(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + struct pmc_ctlr *pmc = (struct pmc_ctlr *)TEGRA2_PMC_BASE; + + puts("Entering RCM...\n"); + udelay(50000); + + pmc->pmc_scratch0 = 2; + disable_interrupts(); + reset_cpu(0); + + return 0; +} + +U_BOOT_CMD( + enterrcm, 1, 0, do_enterrcm, + "reset Tegra and enter USB Recovery Mode", + "" +); diff --git a/arch/arm/cpu/armv7/tegra2/funcmux.c b/arch/arm/cpu/armv7/tegra2/funcmux.c index 820ba4e9..4a31a4c 100644 --- a/arch/arm/cpu/armv7/tegra2/funcmux.c +++ b/arch/arm/cpu/armv7/tegra2/funcmux.c @@ -209,9 +209,30 @@ int funcmux_select(enum periph_id id, int config) pinmux_set_func(grp[i], PMUX_FUNC_KBC); pinmux_set_pullupdown(grp[i], PMUX_PULL_UP); } + } + break; - break; + case PERIPH_ID_USB2: + if (config == FUNCMUX_USB2_ULPI) { + pinmux_set_func(PINGRP_UAA, PMUX_FUNC_ULPI); + pinmux_set_func(PINGRP_UAB, PMUX_FUNC_ULPI); + pinmux_set_func(PINGRP_UDA, PMUX_FUNC_ULPI); + + pinmux_tristate_disable(PINGRP_UAA); + pinmux_tristate_disable(PINGRP_UAB); + pinmux_tristate_disable(PINGRP_UDA); } + break; + + case PERIPH_ID_SPI1: + if (config == FUNCMUX_SPI1_GMC_GMD) { + pinmux_set_func(PINGRP_GMC, PMUX_FUNC_SFLASH); + pinmux_set_func(PINGRP_GMD, PMUX_FUNC_SFLASH); + + pinmux_tristate_disable(PINGRP_GMC); + pinmux_tristate_disable(PINGRP_GMD); + } + break; default: debug("%s: invalid periph_id %d", __func__, id); diff --git a/arch/arm/cpu/armv7/tegra2/usb.c b/arch/arm/cpu/armv7/tegra2/usb.c index c80de7f..5f2b243 100644 --- a/arch/arm/cpu/armv7/tegra2/usb.c +++ b/arch/arm/cpu/armv7/tegra2/usb.c @@ -290,7 +290,7 @@ static int init_usb_controller(struct fdt_usb *config, break; udelay(1); } - if (loop_count == 100000) + if (!loop_count) return -1; return 0; diff --git a/arch/arm/include/asm/arch-tegra2/funcmux.h b/arch/arm/include/asm/arch-tegra2/funcmux.h index b16c496..dcd512f 100644 --- a/arch/arm/include/asm/arch-tegra2/funcmux.h +++ b/arch/arm/include/asm/arch-tegra2/funcmux.h @@ -51,6 +51,12 @@ enum { FUNCMUX_SDMMC4_ATC_ATD_8BIT = 0, FUNCMUX_SDMMC4_ATB_GMA_4_BIT, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT, + + /* USB configs */ + FUNCMUX_USB2_ULPI = 0, + + /* Serial Flash configs */ + FUNCMUX_SPI1_GMC_GMD = 0, }; /** diff --git a/arch/arm/include/asm/arch-tegra2/tegra2.h b/arch/arm/include/asm/arch-tegra2/tegra2.h index 3c8d8a8..13d68c0 100644 --- a/arch/arm/include/asm/arch-tegra2/tegra2.h +++ b/arch/arm/include/asm/arch-tegra2/tegra2.h @@ -45,6 +45,7 @@ #define NV_PA_CSITE_BASE 0x70040000 #define TEGRA_USB1_BASE 0xC5000000 #define TEGRA_USB3_BASE 0xC5008000 +#define TEGRA_USB_ADDR_MASK 0xFFFFC000 #define TEGRA2_SDRC_CS0 NV_PA_SDRAM_BASE #define LOW_LEVEL_SRAM_STACK 0x4000FFFC |