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authorWolfgang Denk <wd@denx.de>2012-07-10 08:54:41 +0200
committerWolfgang Denk <wd@denx.de>2012-07-10 08:54:41 +0200
commit895f3e0542015b347298c8b501e63d5f32002c04 (patch)
tree4df04c7f3480d75bd02925d09aa1cbb5049a3fc9 /arch
parent30704dae469c092766c346b3bef7ac001fa45511 (diff)
parent63905f1616fc2f827e986d8e82a5a2b69f4a0e6a (diff)
downloadu-boot-linaro-stable-895f3e0542015b347298c8b501e63d5f32002c04.tar.gz
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/Makefile1
-rw-r--r--arch/arm/cpu/armv7/tegra2/cmd_enterrcm.c65
-rw-r--r--arch/arm/cpu/armv7/tegra2/funcmux.c23
-rw-r--r--arch/arm/cpu/armv7/tegra2/usb.c2
-rw-r--r--arch/arm/include/asm/arch-tegra2/funcmux.h6
-rw-r--r--arch/arm/include/asm/arch-tegra2/tegra2.h1
6 files changed, 96 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv7/tegra2/Makefile b/arch/arm/cpu/armv7/tegra2/Makefile
index 08c4137a3..80da4536d 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 000000000..2fcd107df
--- /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 820ba4e90..4a31a4cf0 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 c80de7f6a..5f2b24375 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 b16c49612..dcd512f08 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 3c8d8a84b..13d68c017 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