Merge branch 'master' of git://git.denx.de/u-boot-arm

* 'master' of git://git.denx.de/u-boot-arm: (167 commits)
  OMAP4/5: Change omap4_sdp, omap4_panda, omap5_evm maintainer
  ARM: omap3: Add CONFIG_SPL_BOARD_INIT for CONFIG_SPL_MMC_SUPPORT
  ARM: omap3: Set SPL stack size to 8KB, image to 54KB.
  arm, omap3: fix warm reset serial output on OMAP36xx/AM/DM37xx
  OMAP4: Set fdt_high for OMAP4 devices to enable booting with Device Tree
  omap4: do not enable auxiliary cores
  omap4: do not enable fs-usb module
  omap4: panda: disable uart2 pads during boot
  igep00x0: change mpurate from 500 to auto
  igep00x0: enable the use of a plain text file
  tegra2: trivially enable 13 mhz crystal frequency
  tegra: Enable keyboard for Seaboard
  tegra: Switch on console mux and use environment for console
  tegra: Add tegra keyboard driver
  tegra: fdt: Add keyboard definitions for Seaboard
  tegra: fdt: Add keyboard controller definition
  tegra: Add keyboard support to funcmux
  input: Add support for keyboard matrix decoding from an fdt
  input: Add generic keyboard input handler
  input: Add linux/input.h for key code support
  fdt: Add fdtdec functions to read byte array
  tegra: Enable LP0 on Seaboard
  tegra: fdt: Add EMC data for Tegra2 Seaboard
  tegra: i2c: Add function to find DVC bus
  fdt: tegra: Add EMC node to device tree
  tegra: Add EMC settings for Seaboard
  tegra: Turn off power detect in board init
  tegra: Set up warmboot code on Nvidia boards
  tegra: Setup PMC scratch info from ap20 setup
  tegra: Add warmboot implementation
  tegra: Set up PMU for Nvidia boards
  tegra: Add PMU to manage power supplies
  tegra: Add EMC support for optimal memory timings
  tegra: Add header file for APB_MISC register
  tegra: Add tegra_get_chip_type() to detect SKU
  tegra: Add flow, gp_padctl, fuse, sdram headers
  tegra: Add crypto library for warmboot code
  tegra: Add functions to access low-level Osc/PLL details
  tegra: Move ap20.h header into arch location
  Add AES crypto library
  i2c: Add TPS6586X driver
  Add abs() macro to return absolute value
  fdt: Add function to return next compatible subnode
  fdt: Add function to locate an array in the device tree
  i.MX28: Avoid redefining serial_put[cs]()
  i.MX28: Check if WP detection is implemented at all
  i.MX28: Add battery boot components to SPL
  i.MX28: Reorder battery status functions in SPL
  i.MX28: Add LRADC init to i.MX28 SPL
  i.MX28: Add LRADC register definitions
  i.MX28: Shut down the LCD controller before reset
  i.MX28: Add LCDIF register definitions
  i.MX28: Implement boot pads sampling and reporting
  i.MX28: Improve passing of data from SPL to U-Boot
  M28EVK: Add SD update command
  M28EVK: Implement support for new board V2.0
  FEC: Abstract out register setup
  MX5: PAD_CTL_DRV_VOT_LOW and PAD_CTL_DRV_VOT_HIGH exchanged
  i.MX28: Add delay after CPU bypass is cleared
  spi: mxs: Allow other chip selects to work
  spi: mxs: Introduce spi_cs_is_valid()
  mx53loco: Remove unneeded gpio_set_value()
  mx53loco: Add CONFIG_REVISION_TAG
  mx53loco: Turn on VUSB regulator
  mx53loco: Add mc34708 support and set mx53 frequency at 1GHz
  pmic: dialog: Avoid name conflicts
  imx: Add u-boot.imx as target for ARM9 i.MX SOCs
  i.MX2: Include asm/types.h in arch-mx25/imx-regs.h
  imx: usb: There is no such register
  i.MX25: usb: Set PORTSCx register
  imx: nand: Support flash based BBT
  i.MX25: This architecture has a GPIO4 too
  i.MX25: esdhc: Add mxc_get_clock infrastructure
  i.MX6: mx6q_sabrelite: add SATA bindings
  i.MX6: add enable_sata_clock()
  i.MX6: Add ANATOP regulator init
  mx28evk: add NAND support
  USB: ehci-mx6: Fix broken IO access
  M28: Scan only first 512 MB of DRAM to avoid memory wraparound
  Revert "i.MX28: Enable additional DRAM address bits"
  M28: Enable FDT support
  mx53loco: Add support for 1GHz operation for DA9053-based boards
  mx53loco: Allow to print CPU information at a later stage
  mx5: Add clock config interface
  imx-common: Factor out get_ahb_clk()
  i.MX6Q: mx6qsabrelite: Add keypress support to alter boot flow
  mx31pdk: Allow booting a zImage kernel
  mx6qarm2: Allow booting a zImage kernel
  mx6qsabrelite: Allow booting a zImage kernel
  mx28evk: Allow booting a zImage kernel
  m28evk: Allow to booting a dt kernel
  mx28evk: Allow to booting a dt kernel
  mx6qsabrelite: No need to set the direction for GPIO3_23 again
  pmic: Add support for the Dialog DA9053 PMIC
  MX53: mx53loco: Add SATA support
  MX53: Add support to ESG ima3 board
  SATA: add driver for MX5 / MX6 SOCs
  MX53: add function to set SATA clock to internal
  SATA: check for return value from sata functions
  MX5: Add definitions for SATA controller
  NET: fec_mxc.c: Add a way to disable auto negotiation
  Define UART4 and UART5 base addresses
  EXYNOS: Change bits per pixel value proper for u-boot.
  EXYNOS: support TRATS board display function
  LCD: support S6E8AX0 amoled driver based on EXYNOS MIPI DSI
  EXYNOS: support EXYNOS MIPI DSI interface driver.
  EXYNOS: support EXYNOS framebuffer and FIMD display drivers.
  LCD: add data structure for EXYNOS display driver
  EXYNOS: add LCD and MIPI DSI clock interface.
  EXYNOS: definitions of system resgister and power management registers.
  SMDK5250: fix compiler warning
  misc:pmic:samsung Convert TRATS target to use MAX8997 instead of MAX8998
  misc:pmic:max8997 MAX8997 support for PMIC driver
  TRATS: modify the trats's configuration
  ARM: Exynos4: ADC: Universal_C210: Enable LDO4 power line for ADC measurement
  EXYNOS: Rename exynos5_tzpc structure to exynos_tzpc
  arm: ea20: Change macro from BOARD_LATE_INIT to CONFIG_BOARD_LATE_INIT
  arm: cam_enc_4xx: Change macro from BOARD_LATE_INIT to CONFIG_BOARD_LATE_INIT
  cm-t35: add I2C multi-bus support
  include/configs: Remove CONFIG_SYS_64BIT_STRTOUL
  include/configs: Remove CONFIG_SYS_64BIT_VSPRINTF
  omap3: Introduce weak misc_init_r
  omap730p2: Remove empty misc_init_r
  omap5912osk: Remove empty misc_init_r
  omap4+: Remove CONFIG_ARCH_CPU_INIT
  omap4: Remove CONFIG_SYS_MMC_SET_DEV
  OMAP3: pandora: drop console kernel argument
  OMAP3: pandora: revise GPIO configuration
  ...

13 files changed, 791 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-tegra2/ap20.h b/arch/arm/include/asm/arch-tegra2/ap20.h
new file mode 100644
index 0000000000..d222c44233
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra2/ap20.h
@@ -0,0 +1,109 @@
+/*
+ * (C) Copyright 2010-2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <asm/types.h>
+
+/* Stabilization delays, in usec */
+#define PLL_STABILIZATION_DELAY (300)
+#define IO_STABILIZATION_DELAY	(1000)
+
+#define NVBL_PLLP_KHZ	(216000)
+
+#define PLLX_ENABLED		(1 << 30)
+#define CCLK_BURST_POLICY	0x20008888
+#define SUPER_CCLK_DIVIDER	0x80000000
+
+/* Calculate clock fractional divider value from ref and target frequencies */
+#define CLK_DIVIDER(REF, FREQ)  ((((REF) * 2) / FREQ) - 2)
+
+/* Calculate clock frequency value from reference and clock divider value */
+#define CLK_FREQUENCY(REF, REG)  (((REF) * 2) / (REG + 2))
+
+/* AVP/CPU ID */
+#define PG_UP_TAG_0_PID_CPU	0x55555555	/* CPU aka "a9" aka "mpcore" */
+#define PG_UP_TAG_0             0x0
+
+#define CORESIGHT_UNLOCK	0xC5ACCE55;
+
+/* AP20-Specific Base Addresses */
+
+/* AP20 Base physical address of SDRAM. */
+#define AP20_BASE_PA_SDRAM      0x00000000
+/* AP20 Base physical address of internal SRAM. */
+#define AP20_BASE_PA_SRAM       0x40000000
+/* AP20 Size of internal SRAM (256KB). */
+#define AP20_BASE_PA_SRAM_SIZE  0x00040000
+/* AP20 Base physical address of flash. */
+#define AP20_BASE_PA_NOR_FLASH  0xD0000000
+/* AP20 Base physical address of boot information table. */
+#define AP20_BASE_PA_BOOT_INFO  AP20_BASE_PA_SRAM
+
+/*
+ * Super-temporary stacks for EXTREMELY early startup. The values chosen for
+ * these addresses must be valid on ALL SOCs because this value is used before
+ * we are able to differentiate between the SOC types.
+ *
+ * NOTE: The since CPU's stack will eventually be moved from IRAM to SDRAM, its
+ *       stack is placed below the AVP stack. Once the CPU stack has been moved,
+ *       the AVP is free to use the IRAM the CPU stack previously occupied if
+ *       it should need to do so.
+ *
+ * NOTE: In multi-processor CPU complex configurations, each processor will have
+ *       its own stack of size CPU_EARLY_BOOT_STACK_SIZE. CPU 0 will have a
+ *       limit of CPU_EARLY_BOOT_STACK_LIMIT. Each successive CPU will have a
+ *       stack limit that is CPU_EARLY_BOOT_STACK_SIZE less then the previous
+ *       CPU.
+ */
+
+/* Common AVP early boot stack limit */
+#define AVP_EARLY_BOOT_STACK_LIMIT	\
+	(AP20_BASE_PA_SRAM + (AP20_BASE_PA_SRAM_SIZE/2))
+/* Common AVP early boot stack size */
+#define AVP_EARLY_BOOT_STACK_SIZE	0x1000
+/* Common CPU early boot stack limit */
+#define CPU_EARLY_BOOT_STACK_LIMIT	\
+	(AVP_EARLY_BOOT_STACK_LIMIT - AVP_EARLY_BOOT_STACK_SIZE)
+/* Common CPU early boot stack size */
+#define CPU_EARLY_BOOT_STACK_SIZE	0x1000
+
+#define EXCEP_VECTOR_CPU_RESET_VECTOR	(NV_PA_EVP_BASE + 0x100)
+#define CSITE_CPU_DBG0_LAR		(NV_PA_CSITE_BASE + 0x10FB0)
+#define CSITE_CPU_DBG1_LAR		(NV_PA_CSITE_BASE + 0x12FB0)
+
+#define FLOW_CTLR_HALT_COP_EVENTS	(NV_PA_FLOW_BASE + 4)
+#define FLOW_MODE_STOP			2
+#define HALT_COP_EVENT_JTAG		(1 << 28)
+#define HALT_COP_EVENT_IRQ_1		(1 << 11)
+#define HALT_COP_EVENT_FIQ_1		(1 << 9)
+
+/* Start up the tegra2 SOC */
+void tegra2_start(void);
+
+/* This is the main entry into U-Boot, used by the Cortex-A9 */
+extern void _start(void);
+
+/**
+ * Works out the SOC type used for clocks settings
+ *
+ * @return	SOC type - see TEGRA_SOC...
+ */
+int tegra_get_chip_type(void);
diff --git a/arch/arm/include/asm/arch-tegra2/apb_misc.h b/arch/arm/include/asm/arch-tegra2/apb_misc.h
new file mode 100644
index 0000000000..eb69d18d01
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra2/apb_misc.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2012 The Chromium OS Authors.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _GP_PADCTRL_H_
+#define _GP_PADCTRL_H_
+
+/* APB_MISC_PP registers */
+struct apb_misc_pp_ctlr {
+	u32	reserved0[2];
+	u32	strapping_opt_a;/* 0x08: APB_MISC_PP_STRAPPING_OPT_A */
+};
+
+/* bit fields definitions for APB_MISC_PP_STRAPPING_OPT_A register */
+#define RAM_CODE_SHIFT		4
+#define RAM_CODE_MASK		(0xf << RAM_CODE_SHIFT)
+
+#endif
diff --git a/arch/arm/include/asm/arch-tegra2/clk_rst.h b/arch/arm/include/asm/arch-tegra2/clk_rst.h
index 415e420012..8c3be91514 100644
--- a/arch/arm/include/asm/arch-tegra2/clk_rst.h
+++ b/arch/arm/include/asm/arch-tegra2/clk_rst.h
@@ -117,6 +117,7 @@ struct clk_rst_ctlr {
 #define PLL_CPCON_MASK		(15U << PLL_CPCON_SHIFT)
 
 #define PLL_LFCON_SHIFT		4
+#define PLL_LFCON_MASK		(15U << PLL_LFCON_SHIFT)
 
 #define PLLU_VCO_FREQ_SHIFT	20
 #define PLLU_VCO_FREQ_MASK	(1U << PLLU_VCO_FREQ_SHIFT)
@@ -124,6 +125,8 @@ struct clk_rst_ctlr {
 /* CLK_RST_CONTROLLER_OSC_CTRL_0 */
 #define OSC_FREQ_SHIFT		30
 #define OSC_FREQ_MASK		(3U << OSC_FREQ_SHIFT)
+#define OSC_XOBP_SHIFT		1
+#define OSC_XOBP_MASK		(1U << OSC_XOBP_SHIFT)
 
 /*
  * CLK_RST_CONTROLLER_CLK_SOURCE_x_OUT_0 - the mask here is normally 8 bits
diff --git a/arch/arm/include/asm/arch-tegra2/clock.h b/arch/arm/include/asm/arch-tegra2/clock.h
index 6b12c76e8d..1d3ae38644 100644
--- a/arch/arm/include/asm/arch-tegra2/clock.h
+++ b/arch/arm/include/asm/arch-tegra2/clock.h
@@ -210,6 +210,21 @@ enum clock_osc_freq clock_get_osc_freq(void);
 unsigned long clock_start_pll(enum clock_id id, u32 divm, u32 divn,
 		u32 divp, u32 cpcon, u32 lfcon);
 
+/**
+ * Read low-level parameters of a PLL.
+ *
+ * @param id	clock id to read (note: USB is not supported)
+ * @param divm	returns input divider
+ * @param divn	returns feedback divider
+ * @param divp	returns post divider 2^n
+ * @param cpcon	returns charge pump setup control
+ * @param lfcon	returns loop filter setup control
+ *
+ * @returns 0 if ok, -1 on error (invalid clock id)
+ */
+int clock_ll_read_pll(enum clock_id clkid, u32 *divm, u32 *divn,
+		      u32 *divp, u32 *cpcon, u32 *lfcon);
+
 /*
  * Enable a clock
  *
@@ -368,6 +383,13 @@ void clock_ll_start_uart(enum periph_id periph_id);
  */
 enum periph_id clock_decode_periph_id(const void *blob, int node);
 
+/**
+ * Checks if the oscillator bypass is enabled (XOBP bit)
+ *
+ * @return 1 if bypass is enabled, 0 if not
+ */
+int clock_get_osc_bypass(void);
+
 /*
  * Checks that clocks are valid and prints a warning if not
  *
diff --git a/arch/arm/include/asm/arch-tegra2/emc.h b/arch/arm/include/asm/arch-tegra2/emc.h
new file mode 100644
index 0000000000..deb3d36ed2
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra2/emc.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2010,2011 NVIDIA Corporation <www.nvidia.com>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _ARCH_EMC_H_
+#define _ARCH_EMC_H_
+
+#include <asm/types.h>
+
+#define TEGRA_EMC_NUM_REGS	46
+
+/* EMC Registers */
+struct emc_ctlr {
+	u32 cfg;		/* 0x00: EMC_CFG */
+	u32 reserved0[3];	/* 0x04 ~ 0x0C */
+	u32 adr_cfg;		/* 0x10: EMC_ADR_CFG */
+	u32 adr_cfg1;		/* 0x14: EMC_ADR_CFG_1 */
+	u32 reserved1[2];	/* 0x18 ~ 0x18 */
+	u32 refresh_ctrl;	/* 0x20: EMC_REFCTRL */
+	u32 pin;		/* 0x24: EMC_PIN */
+	u32 timing_ctrl;	/* 0x28: EMC_TIMING_CONTROL */
+	u32 rc;			/* 0x2C: EMC_RC */
+	u32 rfc;		/* 0x30: EMC_RFC */
+	u32 ras;		/* 0x34: EMC_RAS */
+	u32 rp;			/* 0x38: EMC_RP */
+	u32 r2w;		/* 0x3C: EMC_R2W */
+	u32 w2r;		/* 0x40: EMC_W2R */
+	u32 r2p;		/* 0x44: EMC_R2P */
+	u32 w2p;		/* 0x48: EMC_W2P */
+	u32 rd_rcd;		/* 0x4C: EMC_RD_RCD */
+	u32 wd_rcd;		/* 0x50: EMC_WD_RCD */
+	u32 rrd;		/* 0x54: EMC_RRD */
+	u32 rext;		/* 0x58: EMC_REXT */
+	u32 wdv;		/* 0x5C: EMC_WDV */
+	u32 quse;		/* 0x60: EMC_QUSE */
+	u32 qrst;		/* 0x64: EMC_QRST */
+	u32 qsafe;		/* 0x68: EMC_QSAFE */
+	u32 rdv;		/* 0x6C: EMC_RDV */
+	u32 refresh;		/* 0x70: EMC_REFRESH */
+	u32 burst_refresh_num;	/* 0x74: EMC_BURST_REFRESH_NUM */
+	u32 pdex2wr;		/* 0x78: EMC_PDEX2WR */
+	u32 pdex2rd;		/* 0x7c: EMC_PDEX2RD */
+	u32 pchg2pden;		/* 0x80: EMC_PCHG2PDEN */
+	u32 act2pden;		/* 0x84: EMC_ACT2PDEN */
+	u32 ar2pden;		/* 0x88: EMC_AR2PDEN */
+	u32 rw2pden;		/* 0x8C: EMC_RW2PDEN */
+	u32 txsr;		/* 0x90: EMC_TXSR */
+	u32 tcke;		/* 0x94: EMC_TCKE */
+	u32 tfaw;		/* 0x98: EMC_TFAW */
+	u32 trpab;		/* 0x9C: EMC_TRPAB */
+	u32 tclkstable;		/* 0xA0: EMC_TCLKSTABLE */
+	u32 tclkstop;		/* 0xA4: EMC_TCLKSTOP */
+	u32 trefbw;		/* 0xA8: EMC_TREFBW */
+	u32 quse_extra;		/* 0xAC: EMC_QUSE_EXTRA */
+	u32 odt_write;		/* 0xB0: EMC_ODT_WRITE */
+	u32 odt_read;		/* 0xB4: EMC_ODT_READ */
+	u32 reserved2[5];	/* 0xB8 ~ 0xC8 */
+	u32 mrs;		/* 0xCC: EMC_MRS */
+	u32 emrs;		/* 0xD0: EMC_EMRS */
+	u32 ref;		/* 0xD4: EMC_REF */
+	u32 pre;		/* 0xD8: EMC_PRE */
+	u32 nop;		/* 0xDC: EMC_NOP */
+	u32 self_ref;		/* 0xE0: EMC_SELF_REF */
+	u32 dpd;		/* 0xE4: EMC_DPD */
+	u32 mrw;		/* 0xE8: EMC_MRW */
+	u32 mrr;		/* 0xEC: EMC_MRR */
+	u32 reserved3;		/* 0xF0: */
+	u32 fbio_cfg1;		/* 0xF4: EMC_FBIO_CFG1 */
+	u32 fbio_dqsib_dly;	/* 0xF8: EMC_FBIO_DQSIB_DLY */
+	u32 fbio_dqsib_dly_msb;	/* 0xFC: EMC_FBIO_DQSIB_DLY_MSG */
+	u32 fbio_spare;		/* 0x100: SBIO_SPARE */
+				/* There are more registers ... */
+};
+
+/**
+ * Set up the EMC for the given rate. The timing parameters are retrieved
+ * from the device tree "nvidia,tegra20-emc" node and its
+ * "nvidia,tegra20-emc-table" sub-nodes.
+ *
+ * @param blob	Device tree blob
+ * @param rate	Clock speed of memory controller in Hz (=2x memory bus rate)
+ * @return 0 if ok, else -ve error code (look in emc.c to decode it)
+ */
+int tegra_set_emc(const void *blob, unsigned rate);
+
+/**
+ * Get a pointer to the EMC controller from the device tree.
+ *
+ * @param blob	Device tree blob
+ * @return pointer to EMC controller
+ */
+struct emc_ctlr *emc_get_controller(const void *blob);
+
+#endif
diff --git a/arch/arm/include/asm/arch-tegra2/flow.h b/arch/arm/include/asm/arch-tegra2/flow.h
new file mode 100644
index 0000000000..cce6cbf7d0
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra2/flow.h
@@ -0,0 +1,36 @@
+/*
+ * (C) Copyright 2010, 2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _FLOW_H_
+#define _FLOW_H_
+
+struct flow_ctlr {
+	u32	halt_cpu_events;
+	u32	halt_cop_events;
+	u32	cpu_csr;
+	u32	cop_csr;
+	u32	halt_cpu1_events;
+	u32	cpu1_csr;
+};
+
+#endif
diff --git a/arch/arm/include/asm/arch-tegra2/fuse.h b/arch/arm/include/asm/arch-tegra2/fuse.h
new file mode 100644
index 0000000000..b7e3808a4f
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra2/fuse.h
@@ -0,0 +1,39 @@
+/*
+ *  (C) Copyright 2010,2011
+ *  NVIDIA Corporation <www.nvidia.com>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _FUSE_H_
+#define _FUSE_H_
+
+/* FUSE registers */
+struct fuse_regs {
+	u32 reserved0[64];		/* 0x00 - 0xFC: */
+	u32 production_mode;		/* 0x100: FUSE_PRODUCTION_MODE */
+	u32 reserved1[3];		/* 0x104 - 0x10c: */
+	u32 sku_info;			/* 0x110 */
+	u32 reserved2[13];		/* 0x114 - 0x144: */
+	u32 fa;				/* 0x148: FUSE_FA */
+	u32 reserved3[21];		/* 0x14C - 0x19C: */
+	u32 security_mode;		/* 0x1A0: FUSE_SECURITY_MODE */
+};
+
+#endif	/* ifndef _FUSE_H_ */
diff --git a/arch/arm/include/asm/arch-tegra2/gp_padctrl.h b/arch/arm/include/asm/arch-tegra2/gp_padctrl.h
new file mode 100644
index 0000000000..1755ab2eaa
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra2/gp_padctrl.h
@@ -0,0 +1,73 @@
+/*
+ *  (C) Copyright 2010,2011
+ *  NVIDIA Corporation <www.nvidia.com>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _GP_PADCTRL_H_
+#define _GP_PADCTRL_H_
+
+/* APB_MISC_GP and padctrl registers */
+struct apb_misc_gp_ctlr {
+	u32	modereg;	/* 0x00: APB_MISC_GP_MODEREG */
+	u32	hidrev;		/* 0x04: APB_MISC_GP_HIDREV */
+	u32	reserved0[22];	/* 0x08 - 0x5C: */
+	u32	emu_revid;	/* 0x60: APB_MISC_GP_EMU_REVID */
+	u32	xactor_scratch;	/* 0x64: APB_MISC_GP_XACTOR_SCRATCH */
+	u32	aocfg1;		/* 0x68: APB_MISC_GP_AOCFG1PADCTRL */
+	u32	aocfg2;		/* 0x6c: APB_MISC_GP_AOCFG2PADCTRL */
+	u32	atcfg1;		/* 0x70: APB_MISC_GP_ATCFG1PADCTRL */
+	u32	atcfg2;		/* 0x74: APB_MISC_GP_ATCFG2PADCTRL */
+	u32	cdevcfg1;	/* 0x78: APB_MISC_GP_CDEV1CFGPADCTRL */
+	u32	cdevcfg2;	/* 0x7C: APB_MISC_GP_CDEV2CFGPADCTRL */
+	u32	csuscfg;	/* 0x80: APB_MISC_GP_CSUSCFGPADCTRL */
+	u32	dap1cfg;	/* 0x84: APB_MISC_GP_DAP1CFGPADCTRL */
+	u32	dap2cfg;	/* 0x88: APB_MISC_GP_DAP2CFGPADCTRL */
+	u32	dap3cfg;	/* 0x8C: APB_MISC_GP_DAP3CFGPADCTRL */
+	u32	dap4cfg;	/* 0x90: APB_MISC_GP_DAP4CFGPADCTRL */
+	u32	dbgcfg;		/* 0x94: APB_MISC_GP_DBGCFGPADCTRL */
+	u32	lcdcfg1;	/* 0x98: APB_MISC_GP_LCDCFG1PADCTRL */
+	u32	lcdcfg2;	/* 0x9C: APB_MISC_GP_LCDCFG2PADCTRL */
+	u32	sdmmc2_cfg;	/* 0xA0: APB_MISC_GP_SDMMC2CFGPADCTRL */
+	u32	sdmmc3_cfg;	/* 0xA4: APB_MISC_GP_SDMMC3CFGPADCTRL */
+	u32	spicfg;		/* 0xA8: APB_MISC_GP_SPICFGPADCTRL */
+	u32	uaacfg;		/* 0xAC: APB_MISC_GP_UAACFGPADCTRL */
+	u32	uabcfg;		/* 0xB0: APB_MISC_GP_UABCFGPADCTRL */
+	u32	uart2cfg;	/* 0xB4: APB_MISC_GP_UART2CFGPADCTRL */
+	u32	uart3cfg;	/* 0xB8: APB_MISC_GP_UART3CFGPADCTRL */
+	u32	vicfg1;		/* 0xBC: APB_MISC_GP_VICFG1PADCTRL */
+	u32	vicfg2;		/* 0xC0: APB_MISC_GP_VICFG2PADCTRL */
+	u32	xm2cfga;	/* 0xC4: APB_MISC_GP_XM2CFGAPADCTRL */
+	u32	xm2cfgc;	/* 0xC8: APB_MISC_GP_XM2CFGCPADCTRL */
+	u32	xm2cfgd;	/* 0xCC: APB_MISC_GP_XM2CFGDPADCTRL */
+	u32	xm2clkcfg;	/* 0xD0: APB_MISC_GP_XM2CLKCFGPADCTRL */
+	u32	memcomp;	/* 0xD4: APB_MISC_GP_MEMCOMPPADCTRL */
+};
+
+/* bit fields definitions for APB_MISC_GP_HIDREV register */
+#define HIDREV_CHIPID_SHIFT		8
+#define HIDREV_CHIPID_MASK		(0xff << HIDREV_CHIPID_SHIFT)
+#define HIDREV_MAJORPREV_SHIFT		4
+#define HIDREV_MAJORPREV_MASK		(0xf << HIDREV_MAJORPREV_SHIFT)
+
+/* CHIPID field returned from APB_MISC_GP_HIDREV register */
+#define CHIPID_TEGRA2				0x20
+
+#endif
diff --git a/arch/arm/include/asm/arch-tegra2/pmu.h b/arch/arm/include/asm/arch-tegra2/pmu.h
new file mode 100644
index 0000000000..390815fc24
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra2/pmu.h
@@ -0,0 +1,30 @@
+/*
+ *  (C) Copyright 2010,2011
+ *  NVIDIA Corporation <www.nvidia.com>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _ARCH_PMU_H_
+#define _ARCH_PMU_H_
+
+/* Set core and CPU voltages to nominal levels */
+int pmu_set_nominal(void);
+
+#endif	/* _ARCH_PMU_H_ */
diff --git a/arch/arm/include/asm/arch-tegra2/sdram_param.h b/arch/arm/include/asm/arch-tegra2/sdram_param.h
new file mode 100644
index 0000000000..6c427d0841
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra2/sdram_param.h
@@ -0,0 +1,148 @@
+/*
+ *  (C) Copyright 2010, 2011
+ *  NVIDIA Corporation <www.nvidia.com>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _SDRAM_PARAM_H_
+#define _SDRAM_PARAM_H_
+
+/*
+ * Defines the number of 32-bit words provided in each set of SDRAM parameters
+ * for arbitration configuration data.
+ */
+#define BCT_SDRAM_ARB_CONFIG_WORDS 27
+
+enum memory_type {
+	MEMORY_TYPE_NONE = 0,
+	MEMORY_TYPE_DDR,
+	MEMORY_TYPE_LPDDR,
+	MEMORY_TYPE_DDR2,
+	MEMORY_TYPE_LPDDR2,
+	MEMORY_TYPE_NUM,
+	MEMORY_TYPE_FORCE32 = 0x7FFFFFFF
+};
+
+/* Defines the SDRAM parameter structure */
+struct sdram_params {
+	enum memory_type memory_type;
+	u32 pllm_charge_pump_setup_control;
+	u32 pllm_loop_filter_setup_control;
+	u32 pllm_input_divider;
+	u32 pllm_feedback_divider;
+	u32 pllm_post_divider;
+	u32 pllm_stable_time;
+	u32 emc_clock_divider;
+	u32 emc_auto_cal_interval;
+	u32 emc_auto_cal_config;
+	u32 emc_auto_cal_wait;
+	u32 emc_pin_program_wait;
+	u32 emc_rc;
+	u32 emc_rfc;
+	u32 emc_ras;
+	u32 emc_rp;
+	u32 emc_r2w;
+	u32 emc_w2r;
+	u32 emc_r2p;
+	u32 emc_w2p;
+	u32 emc_rd_rcd;
+	u32 emc_wr_rcd;
+	u32 emc_rrd;
+	u32 emc_rext;
+	u32 emc_wdv;
+	u32 emc_quse;
+	u32 emc_qrst;
+	u32 emc_qsafe;
+	u32 emc_rdv;
+	u32 emc_refresh;
+	u32 emc_burst_refresh_num;
+	u32 emc_pdex2wr;
+	u32 emc_pdex2rd;
+	u32 emc_pchg2pden;
+	u32 emc_act2pden;
+	u32 emc_ar2pden;
+	u32 emc_rw2pden;
+	u32 emc_txsr;
+	u32 emc_tcke;
+	u32 emc_tfaw;
+	u32 emc_trpab;
+	u32 emc_tclkstable;
+	u32 emc_tclkstop;
+	u32 emc_trefbw;
+	u32 emc_quseextra;
+	u32 emc_fbioc_fg1;
+	u32 emc_fbio_dqsib_dly;
+	u32 emc_fbio_dqsib_dly_msb;
+	u32 emc_fbio_quse_dly;
+	u32 emc_fbio_quse_dly_msb;
+	u32 emc_fbio_cfg5;
+	u32 emc_fbio_cfg6;
+	u32 emc_fbio_spare;
+	u32 emc_mrs;
+	u32 emc_emrs;
+	u32 emc_mrw1;
+	u32 emc_mrw2;
+	u32 emc_mrw3;
+	u32 emc_mrw_reset_command;
+	u32 emc_mrw_reset_init_wait;
+	u32 emc_adr_cfg;
+	u32 emc_adr_cfg1;
+	u32 emc_emem_cfg;
+	u32 emc_low_latency_config;
+	u32 emc_cfg;
+	u32 emc_cfg2;
+	u32 emc_dbg;
+	u32 ahb_arbitration_xbar_ctrl;
+	u32 emc_cfg_dig_dll;
+	u32 emc_dll_xform_dqs;
+	u32 emc_dll_xform_quse;
+	u32 warm_boot_wait;
+	u32 emc_ctt_term_ctrl;
+	u32 emc_odt_write;
+	u32 emc_odt_read;
+	u32 emc_zcal_ref_cnt;
+	u32 emc_zcal_wait_cnt;
+	u32 emc_zcal_mrw_cmd;
+	u32 emc_mrs_reset_dll;
+	u32 emc_mrw_zq_init_dev0;
+	u32 emc_mrw_zq_init_dev1;
+	u32 emc_mrw_zq_init_wait;
+	u32 emc_mrs_reset_dll_wait;
+	u32 emc_emrs_emr2;
+	u32 emc_emrs_emr3;
+	u32 emc_emrs_ddr2_dll_enable;
+	u32 emc_mrs_ddr2_dll_reset;
+	u32 emc_emrs_ddr2_ocd_calib;
+	u32 emc_edr2_wait;
+	u32 emc_cfg_clktrim0;
+	u32 emc_cfg_clktrim1;
+	u32 emc_cfg_clktrim2;
+	u32 pmc_ddr_pwr;
+	u32 apb_misc_gp_xm2cfga_padctrl;
+	u32 apb_misc_gp_xm2cfgc_padctrl;
+	u32 apb_misc_gp_xm2cfgc_padctrl2;
+	u32 apb_misc_gp_xm2cfgd_padctrl;
+	u32 apb_misc_gp_xm2cfgd_padctrl2;
+	u32 apb_misc_gp_xm2clkcfg_padctrl;
+	u32 apb_misc_gp_xm2comp_padctrl;
+	u32 apb_misc_gp_xm2vttgen_padctrl;
+	u32 arbitration_config[BCT_SDRAM_ARB_CONFIG_WORDS];
+};
+#endif
diff --git a/arch/arm/include/asm/arch-tegra2/tegra2.h b/arch/arm/include/asm/arch-tegra2/tegra2.h
index ca1881e3a2..d4ada10ea8 100644
--- a/arch/arm/include/asm/arch-tegra2/tegra2.h
+++ b/arch/arm/include/asm/arch-tegra2/tegra2.h
@@ -33,6 +33,7 @@
 #define NV_PA_GPIO_BASE		0x6000D000
 #define NV_PA_EVP_BASE		0x6000F000
 #define NV_PA_APB_MISC_BASE	0x70000000
+#define TEGRA2_APB_MISC_GP_BASE	(NV_PA_APB_MISC_BASE + 0x0800)
 #define NV_PA_APB_UARTA_BASE	(NV_PA_APB_MISC_BASE + 0x6000)
 #define NV_PA_APB_UARTB_BASE	(NV_PA_APB_MISC_BASE + 0x6040)
 #define NV_PA_APB_UARTC_BASE	(NV_PA_APB_MISC_BASE + 0x6200)
@@ -40,6 +41,7 @@
 #define NV_PA_APB_UARTE_BASE	(NV_PA_APB_MISC_BASE + 0x6400)
 #define TEGRA2_SPI_BASE		(NV_PA_APB_MISC_BASE + 0xC380)
 #define TEGRA2_PMC_BASE		(NV_PA_APB_MISC_BASE + 0xE400)
+#define TEGRA2_FUSE_BASE	(NV_PA_APB_MISC_BASE + 0xF800)
 #define NV_PA_CSITE_BASE	0x70040000
 #define TEGRA_USB1_BASE		0xC5000000
 #define TEGRA_USB3_BASE		0xC5008000
@@ -54,6 +56,29 @@
 struct timerus {
 	unsigned int cntr_1us;
 };
+
+/* Address at which WB code runs, it must not overlap Bootrom's IRAM usage */
+#define AP20_WB_RUN_ADDRESS	0x40020000
+
+/* These are the available SKUs (product types) for Tegra */
+enum {
+	SKU_ID_T20		= 0x8,
+	SKU_ID_T25SE		= 0x14,
+	SKU_ID_AP25		= 0x17,
+	SKU_ID_T25		= 0x18,
+	SKU_ID_AP25E		= 0x1b,
+	SKU_ID_T25E		= 0x1c,
+};
+
+/* These are the SOC categories that affect clocking */
+enum {
+	TEGRA_SOC_T20,
+	TEGRA_SOC_T25,
+
+	TEGRA_SOC_COUNT,
+	TEGRA_SOC_UNKNOWN	= -1,
+};
+
 #else  /* __ASSEMBLY__ */
 #define PRM_RSTCTRL		TEGRA2_PMC_BASE
 #endif
diff --git a/arch/arm/include/asm/arch-tegra2/tegra_i2c.h b/arch/arm/include/asm/arch-tegra2/tegra_i2c.h
index 0a7d99c585..cfb136c466 100644
--- a/arch/arm/include/asm/arch-tegra2/tegra_i2c.h
+++ b/arch/arm/include/asm/arch-tegra2/tegra_i2c.h
@@ -154,4 +154,11 @@ struct i2c_ctlr {
 #define I2C_INT_ARBITRATION_LOST_SHIFT	2
 #define I2C_INT_ARBITRATION_LOST_MASK	(1 << I2C_INT_ARBITRATION_LOST_SHIFT)
 
+/**
+ * Returns the bus number of the DVC controller
+ *
+ * @return number of bus, or -1 if there is no DVC active
+ */
+int tegra_i2c_get_dvc_bus_num(void);
+
 #endif
diff --git a/arch/arm/include/asm/arch-tegra2/warmboot.h b/arch/arm/include/asm/arch-tegra2/warmboot.h
new file mode 100644
index 0000000000..99ac2e7d23
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra2/warmboot.h
@@ -0,0 +1,150 @@
+/*
+ * (C) Copyright 2010, 2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _WARM_BOOT_H_
+#define _WARM_BOOT_H_
+
+#define STRAP_OPT_A_RAM_CODE_SHIFT	4
+#define STRAP_OPT_A_RAM_CODE_MASK	(0xf << STRAP_OPT_A_RAM_CODE_SHIFT)
+
+/* Defines the supported operating modes */
+enum fuse_operating_mode {
+	MODE_PRODUCTION = 3,
+	MODE_UNDEFINED,
+};
+
+/* Defines the CMAC-AES-128 hash length in 32 bit words. (128 bits = 4 words) */
+enum {
+	HASH_LENGTH = 4
+};
+
+/* Defines the storage for a hash value (128 bits) */
+struct hash {
+	u32 hash[HASH_LENGTH];
+};
+
+/*
+ * Defines the code header information for the boot rom.
+ *
+ * The code immediately follows the code header.
+ *
+ * Note that the code header needs to be 16 bytes aligned to preserve
+ * the alignment of relevant data for hash and decryption computations without
+ * requiring extra copies to temporary memory areas.
+ */
+struct wb_header {
+	u32 length_insecure;	/* length of the code header */
+	u32 reserved[3];
+	struct hash hash;	/* hash of header+code, starts next field*/
+	struct hash random_aes_block;	/* a data block to aid security. */
+	u32 length_secure;	/* length of the code header */
+	u32 destination;	/* destination address to put the wb code */
+	u32 entry_point;	/* execution address of the wb code */
+	u32 code_length;	/* length of the code */
+};
+
+/*
+ * The warm boot code needs direct access to these registers since it runs in
+ * SRAM and cannot call other U-Boot code.
+ */
+union osc_ctrl_reg {
+	struct {
+		u32 xoe:1;
+		u32 xobp:1;
+		u32 reserved0:2;
+		u32 xofs:6;
+		u32 reserved1:2;
+		u32 xods:5;
+		u32 reserved2:3;
+		u32 oscfi_spare:8;
+		u32 pll_ref_div:2;
+		u32 osc_freq:2;
+	};
+	u32 word;
+};
+
+union pllx_base_reg {
+	struct {
+		u32 divm:5;
+		u32 reserved0:3;
+		u32 divn:10;
+		u32 reserved1:2;
+		u32 divp:3;
+		u32 reserved2:4;
+		u32 lock:1;
+		u32 reserved3:1;
+		u32 ref_dis:1;
+		u32 enable:1;
+		u32 bypass:1;
+	};
+	u32 word;
+};
+
+union pllx_misc_reg {
+	struct {
+		u32 vcocon:4;
+		u32 lfcon:4;
+		u32 cpcon:4;
+		u32 lock_sel:6;
+		u32 reserved0:1;
+		u32 lock_enable:1;
+		u32 reserved1:1;
+		u32 dccon:1;
+		u32 pts:2;
+		u32 reserved2:6;
+		u32 out1_div_byp:1;
+		u32 out1_inv_clk:1;
+	};
+	u32 word;
+};
+
+/*
+ * TODO: This register is not documented in the TRM yet. We could move this
+ * into the EMC and give it a proper interface, but not while it is
+ * undocumented.
+ */
+union scratch3_reg {
+	struct {
+		u32 pllx_base_divm:5;
+		u32 pllx_base_divn:10;
+		u32 pllx_base_divp:3;
+		u32 pllx_misc_lfcon:4;
+		u32 pllx_misc_cpcon:4;
+	};
+	u32 word;
+};
+
+
+/**
+ * Save warmboot memory settings for a later resume
+ *
+ * @return 0 if ok, -1 on error
+ */
+int warmboot_save_sdram_params(void);
+
+int warmboot_prepare_code(u32 seg_address, u32 seg_length);
+int sign_data_block(u8 *source, u32 length, u8 *signature);
+void wb_start(void);	/* Start of WB assembly code */
+void wb_end(void);	/* End of WB assembly code */
+
+#endif