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-rw-r--r--arch/arm/cpu/arm720t/Makefile47
-rw-r--r--arch/arm/cpu/arm720t/config.mk35
-rw-r--r--arch/arm/cpu/arm720t/cpu.c38
-rw-r--r--arch/arm/cpu/arm720t/interrupts.c49
-rw-r--r--arch/arm/cpu/arm720t/start.S349
-rw-r--r--arch/arm/cpu/arm720t/tegra-common/Makefile48
-rw-r--r--arch/arm/cpu/arm720t/tegra-common/cpu.c341
-rw-r--r--arch/arm/cpu/arm720t/tegra-common/cpu.h86
-rw-r--r--arch/arm/cpu/arm720t/tegra-common/spl.c63
-rw-r--r--arch/arm/cpu/arm720t/tegra114/Makefile42
-rw-r--r--arch/arm/cpu/arm720t/tegra114/config.mk19
-rw-r--r--arch/arm/cpu/arm720t/tegra114/cpu.c324
-rw-r--r--arch/arm/cpu/arm720t/tegra20/Makefile47
-rw-r--r--arch/arm/cpu/arm720t/tegra20/config.mk26
-rw-r--r--arch/arm/cpu/arm720t/tegra20/cpu.c70
-rw-r--r--arch/arm/cpu/arm720t/tegra30/Makefile41
-rw-r--r--arch/arm/cpu/arm720t/tegra30/config.mk19
-rw-r--r--arch/arm/cpu/arm720t/tegra30/cpu.c176
18 files changed, 1820 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm720t/Makefile b/arch/arm/cpu/arm720t/Makefile
new file mode 100644
index 0000000..1a097b5
--- /dev/null
+++ b/arch/arm/cpu/arm720t/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(CPU).o
+
+START = start.o
+COBJS = interrupts.o cpu.o
+
+SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
+START := $(addprefix $(obj),$(START))
+
+all: $(obj).depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/arm720t/config.mk b/arch/arm/cpu/arm720t/config.mk
new file mode 100644
index 0000000..210c6dc
--- /dev/null
+++ b/arch/arm/cpu/arm720t/config.mk
@@ -0,0 +1,35 @@
+#
+# (C) Copyright 2002
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.de>
+#
+# 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
+#
+
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,\
+ $(call cc-option,-malignment-traps,))
+PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)
diff --git a/arch/arm/cpu/arm720t/cpu.c b/arch/arm/cpu/arm720t/cpu.c
new file mode 100644
index 0000000..820614e
--- /dev/null
+++ b/arch/arm/cpu/arm720t/cpu.c
@@ -0,0 +1,38 @@
+/*
+ * (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>
+ *
+ * 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
+ */
+
+/*
+ * cleanup_before_linux() - Prepare the CPU to jump to Linux
+ *
+ * This function is called just before we call Linux, it
+ * prepares the processor for linux
+ */
+int cleanup_before_linux(void)
+{
+ return 0;
+}
diff --git a/arch/arm/cpu/arm720t/interrupts.c b/arch/arm/cpu/arm720t/interrupts.c
new file mode 100644
index 0000000..623a24b
--- /dev/null
+++ b/arch/arm/cpu/arm720t/interrupts.c
@@ -0,0 +1,49 @@
+/*
+ * (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>
+ *
+ * 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 <common.h>
+
+#ifdef CONFIG_USE_IRQ
+void do_irq (struct pt_regs *pt_regs)
+{
+}
+#endif
+
+#if defined(CONFIG_TEGRA)
+static ulong timestamp;
+static ulong lastdec;
+
+int timer_init (void)
+{
+ /* No timer routines for tegra as yet */
+ lastdec = 0;
+ timestamp = 0;
+
+ return 0;
+}
+#endif
diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S
new file mode 100644
index 0000000..a396ebc
--- /dev/null
+++ b/arch/arm/cpu/arm720t/start.S
@@ -0,0 +1,349 @@
+/*
+ * armboot - Startup Code for ARM720 CPU-core
+ *
+ * Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
+ * Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
+ *
+ * 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-offsets.h>
+#include <config.h>
+#include <version.h>
+#include <asm/hardware.h>
+
+/*
+ *************************************************************************
+ *
+ * Jump vector table as in table 3.1 in [1]
+ *
+ *************************************************************************
+ */
+
+
+.globl _start
+_start: b reset
+ ldr pc, _undefined_instruction
+ ldr pc, _software_interrupt
+ ldr pc, _prefetch_abort
+ ldr pc, _data_abort
+ ldr pc, _not_used
+ ldr pc, _irq
+ ldr pc, _fiq
+
+#ifdef CONFIG_SPL_BUILD
+_undefined_instruction: .word _undefined_instruction
+_software_interrupt: .word _software_interrupt
+_prefetch_abort: .word _prefetch_abort
+_data_abort: .word _data_abort
+_not_used: .word _not_used
+_irq: .word _irq
+_fiq: .word _fiq
+_pad: .word 0x12345678 /* now 16*4=64 */
+#else
+_undefined_instruction: .word undefined_instruction
+_software_interrupt: .word software_interrupt
+_prefetch_abort: .word prefetch_abort
+_data_abort: .word data_abort
+_not_used: .word not_used
+_irq: .word irq
+_fiq: .word fiq
+_pad: .word 0x12345678 /* now 16*4=64 */
+#endif /* CONFIG_SPL_BUILD */
+
+ .balignl 16,0xdeadbeef
+
+
+/*
+ *************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from RAM!
+ * relocate armboot to ram
+ * setup stack
+ * jump to second stage
+ *
+ *************************************************************************
+ */
+
+.globl _TEXT_BASE
+_TEXT_BASE:
+#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
+ .word CONFIG_SPL_TEXT_BASE
+#else
+ .word CONFIG_SYS_TEXT_BASE
+#endif
+
+/*
+ * These are defined in the board-specific linker script.
+ * Subtracting _start from them lets the linker put their
+ * relative position in the executable instead of leaving
+ * them null.
+ */
+.globl _bss_start_ofs
+_bss_start_ofs:
+ .word __bss_start - _start
+
+.globl _bss_end_ofs
+_bss_end_ofs:
+ .word __bss_end - _start
+
+.globl _end_ofs
+_end_ofs:
+ .word _end - _start
+
+#ifdef CONFIG_USE_IRQ
+/* IRQ stack memory (calculated at run-time) */
+.globl IRQ_STACK_START
+IRQ_STACK_START:
+ .word 0x0badc0de
+
+/* IRQ stack memory (calculated at run-time) */
+.globl FIQ_STACK_START
+FIQ_STACK_START:
+ .word 0x0badc0de
+#endif
+
+/* IRQ stack memory (calculated at run-time) + 8 bytes */
+.globl IRQ_STACK_START_IN
+IRQ_STACK_START_IN:
+ .word 0x0badc0de
+
+/*
+ * the actual reset code
+ */
+
+reset:
+ /*
+ * set the cpu to SVC32 mode
+ */
+ mrs r0,cpsr
+ bic r0,r0,#0x1f
+ orr r0,r0,#0xd3
+ msr cpsr,r0
+
+ /*
+ * we do sys-critical inits only at reboot,
+ * not when booting from ram!
+ */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+ bl cpu_init_crit
+#endif
+
+ bl _main
+
+/*------------------------------------------------------------------------------*/
+
+ .globl c_runtime_cpu_setup
+c_runtime_cpu_setup:
+
+ mov pc, lr
+
+/*
+ *************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************
+ */
+
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+cpu_init_crit:
+
+ mov ip, lr
+ /*
+ * before relocating, we have to setup RAM timing
+ * because memory timing is board-dependent, you will
+ * find a lowlevel_init.S in your board directory.
+ */
+ bl lowlevel_init
+ mov lr, ip
+
+ mov pc, lr
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
+
+
+#ifndef CONFIG_SPL_BUILD
+/*
+ *************************************************************************
+ *
+ * Interrupt handling
+ *
+ *************************************************************************
+ */
+
+@
+@ IRQ stack frame.
+@
+#define S_FRAME_SIZE 72
+
+#define S_OLD_R0 68
+#define S_PSR 64
+#define S_PC 60
+#define S_LR 56
+#define S_SP 52
+
+#define S_IP 48
+#define S_FP 44
+#define S_R10 40
+#define S_R9 36
+#define S_R8 32
+#define S_R7 28
+#define S_R6 24
+#define S_R5 20
+#define S_R4 16
+#define S_R3 12
+#define S_R2 8
+#define S_R1 4
+#define S_R0 0
+
+#define MODE_SVC 0x13
+#define I_BIT 0x80
+
+/*
+ * use bad_save_user_regs for abort/prefetch/undef/swi ...
+ * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
+ */
+
+ .macro bad_save_user_regs
+ sub sp, sp, #S_FRAME_SIZE
+ stmia sp, {r0 - r12} @ Calling r0-r12
+ add r8, sp, #S_PC
+
+ ldr r2, IRQ_STACK_START_IN
+ ldmia r2, {r2 - r4} @ get pc, cpsr, old_r0
+ add r0, sp, #S_FRAME_SIZE @ restore sp_SVC
+
+ add r5, sp, #S_SP
+ mov r1, lr
+ stmia r5, {r0 - r4} @ save sp_SVC, lr_SVC, pc, cpsr, old_r
+ mov r0, sp
+ .endm
+
+ .macro irq_save_user_regs
+ sub sp, sp, #S_FRAME_SIZE
+ stmia sp, {r0 - r12} @ Calling r0-r12
+ add r8, sp, #S_PC
+ stmdb r8, {sp, lr}^ @ Calling SP, LR
+ str lr, [r8, #0] @ Save calling PC
+ mrs r6, spsr
+ str r6, [r8, #4] @ Save CPSR
+ str r0, [r8, #8] @ Save OLD_R0
+ mov r0, sp
+ .endm
+
+ .macro irq_restore_user_regs
+ ldmia sp, {r0 - lr}^ @ Calling r0 - lr
+ mov r0, r0
+ ldr lr, [sp, #S_PC] @ Get PC
+ add sp, sp, #S_FRAME_SIZE
+ subs pc, lr, #4 @ return & move spsr_svc into cpsr
+ .endm
+
+ .macro get_bad_stack
+ ldr r13, IRQ_STACK_START_IN @ setup our mode stack
+
+ str lr, [r13] @ save caller lr / spsr
+ mrs lr, spsr
+ str lr, [r13, #4]
+
+ mov r13, #MODE_SVC @ prepare SVC-Mode
+ msr spsr_c, r13
+ mov lr, pc
+ movs pc, lr
+ .endm
+
+ .macro get_irq_stack @ setup IRQ stack
+ ldr sp, IRQ_STACK_START
+ .endm
+
+ .macro get_fiq_stack @ setup FIQ stack
+ ldr sp, FIQ_STACK_START
+ .endm
+
+/*
+ * exception handlers
+ */
+ .align 5
+undefined_instruction:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_undefined_instruction
+
+ .align 5
+software_interrupt:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_software_interrupt
+
+ .align 5
+prefetch_abort:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_prefetch_abort
+
+ .align 5
+data_abort:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_data_abort
+
+ .align 5
+not_used:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_not_used
+
+#ifdef CONFIG_USE_IRQ
+
+ .align 5
+irq:
+ get_irq_stack
+ irq_save_user_regs
+ bl do_irq
+ irq_restore_user_regs
+
+ .align 5
+fiq:
+ get_fiq_stack
+ /* someone ought to write a more effiction fiq_save_user_regs */
+ irq_save_user_regs
+ bl do_fiq
+ irq_restore_user_regs
+
+#else
+
+ .align 5
+irq:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_irq
+
+ .align 5
+fiq:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_fiq
+
+#endif
+#endif /* CONFIG_SPL_BUILD */
diff --git a/arch/arm/cpu/arm720t/tegra-common/Makefile b/arch/arm/cpu/arm720t/tegra-common/Makefile
new file mode 100644
index 0000000..6cbc6ad
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra-common/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2010,2011 Nvidia Corporation.
+#
+# (C) Copyright 2000-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)libtegra-common.o
+
+COBJS-$(CONFIG_SPL_BUILD) += spl.o
+COBJS-y += cpu.o
+
+SRCS := $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/arm720t/tegra-common/cpu.c b/arch/arm/cpu/arm720t/tegra-common/cpu.c
new file mode 100644
index 0000000..9294611
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra-common/cpu.c
@@ -0,0 +1,341 @@
+/*
+ * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gp_padctrl.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/scu.h>
+#include "cpu.h"
+
+int get_num_cpus(void)
+{
+ struct apb_misc_gp_ctlr *gp;
+ uint rev;
+
+ gp = (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
+ rev = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >> HIDREV_CHIPID_SHIFT;
+
+ switch (rev) {
+ case CHIPID_TEGRA20:
+ return 2;
+ break;
+ case CHIPID_TEGRA30:
+ case CHIPID_TEGRA114:
+ default:
+ return 4;
+ break;
+ }
+}
+
+/*
+ * Timing tables for each SOC for all four oscillator options.
+ */
+struct clk_pll_table tegra_pll_x_table[TEGRA_SOC_CNT][CLOCK_OSC_FREQ_COUNT] = {
+ /* T20: 1 GHz */
+ /* n, m, p, cpcon */
+ {{ 1000, 13, 0, 12}, /* OSC 13M */
+ { 625, 12, 0, 8}, /* OSC 19.2M */
+ { 1000, 12, 0, 12}, /* OSC 12M */
+ { 1000, 26, 0, 12}, /* OSC 26M */
+ },
+
+ /* T25: 1.2 GHz */
+ {{ 923, 10, 0, 12},
+ { 750, 12, 0, 8},
+ { 600, 6, 0, 12},
+ { 600, 13, 0, 12},
+ },
+
+ /* T30: 1.4 GHz */
+ {{ 862, 8, 0, 8},
+ { 583, 8, 0, 4},
+ { 700, 6, 0, 8},
+ { 700, 13, 0, 8},
+ },
+
+ /* T114: 1.4 GHz */
+ {{ 862, 8, 0, 8},
+ { 583, 8, 0, 4},
+ { 696, 12, 0, 8},
+ { 700, 13, 0, 8},
+ },
+};
+
+void adjust_pllp_out_freqs(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ struct clk_pll *pll = &clkrst->crc_pll[CLOCK_ID_PERIPH];
+ u32 reg;
+
+ /* Set T30 PLLP_OUT1, 2, 3 & 4 freqs to 9.6, 48, 102 & 204MHz */
+ reg = readl(&pll->pll_out[0]); /* OUTA, contains OUT2 / OUT1 */
+ reg |= (IN_408_OUT_48_DIVISOR << PLLP_OUT2_RATIO) | PLLP_OUT2_OVR
+ | (IN_408_OUT_9_6_DIVISOR << PLLP_OUT1_RATIO) | PLLP_OUT1_OVR;
+ writel(reg, &pll->pll_out[0]);
+
+ reg = readl(&pll->pll_out[1]); /* OUTB, contains OUT4 / OUT3 */
+ reg |= (IN_408_OUT_204_DIVISOR << PLLP_OUT4_RATIO) | PLLP_OUT4_OVR
+ | (IN_408_OUT_102_DIVISOR << PLLP_OUT3_RATIO) | PLLP_OUT3_OVR;
+ writel(reg, &pll->pll_out[1]);
+}
+
+int pllx_set_rate(struct clk_pll_simple *pll , u32 divn, u32 divm,
+ u32 divp, u32 cpcon)
+{
+ u32 reg;
+
+ /* If PLLX is already enabled, just return */
+ if (readl(&pll->pll_base) & PLL_ENABLE_MASK) {
+ debug("pllx_set_rate: PLLX already enabled, returning\n");
+ return 0;
+ }
+
+ debug(" pllx_set_rate entry\n");
+
+ /* Set BYPASS, m, n and p to PLLX_BASE */
+ reg = PLL_BYPASS_MASK | (divm << PLL_DIVM_SHIFT);
+ reg |= ((divn << PLL_DIVN_SHIFT) | (divp << PLL_DIVP_SHIFT));
+ writel(reg, &pll->pll_base);
+
+ /* Set cpcon to PLLX_MISC */
+ reg = (cpcon << PLL_CPCON_SHIFT);
+
+ /* Set dccon to PLLX_MISC if freq > 600MHz */
+ if (divn > 600)
+ reg |= (1 << PLL_DCCON_SHIFT);
+ writel(reg, &pll->pll_misc);
+
+ /* Enable PLLX */
+ reg = readl(&pll->pll_base);
+ reg |= PLL_ENABLE_MASK;
+
+ /* Disable BYPASS */
+ reg &= ~PLL_BYPASS_MASK;
+ writel(reg, &pll->pll_base);
+
+ /* Set lock_enable to PLLX_MISC */
+ reg = readl(&pll->pll_misc);
+ reg |= PLL_LOCK_ENABLE_MASK;
+ writel(reg, &pll->pll_misc);
+
+ return 0;
+}
+
+void init_pllx(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ struct clk_pll_simple *pll = &clkrst->crc_pll_simple[SIMPLE_PLLX];
+ int soc_type, sku_info, chip_sku;
+ enum clock_osc_freq osc;
+ struct clk_pll_table *sel;
+
+ debug("init_pllx entry\n");
+
+ /* get SOC (chip) type */
+ soc_type = tegra_get_chip();
+ debug(" init_pllx: SoC = 0x%02X\n", soc_type);
+
+ /* get SKU info */
+ sku_info = tegra_get_sku_info();
+ debug(" init_pllx: SKU info byte = 0x%02X\n", sku_info);
+
+ /* get chip SKU, combo of the above info */
+ chip_sku = tegra_get_chip_sku();
+ debug(" init_pllx: Chip SKU = %d\n", chip_sku);
+
+ /* get osc freq */
+ osc = clock_get_osc_freq();
+ debug(" init_pllx: osc = %d\n", osc);
+
+ /* set pllx */
+ sel = &tegra_pll_x_table[chip_sku][osc];
+ pllx_set_rate(pll, sel->n, sel->m, sel->p, sel->cpcon);
+
+ /* adjust PLLP_out1-4 on T3x/T114 */
+ if (soc_type >= CHIPID_TEGRA30) {
+ debug(" init_pllx: adjusting PLLP out freqs\n");
+ adjust_pllp_out_freqs();
+ }
+}
+
+void enable_cpu_clock(int enable)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 clk;
+
+ /*
+ * NOTE:
+ * Regardless of whether the request is to enable or disable the CPU
+ * clock, every processor in the CPU complex except the master (CPU 0)
+ * will have it's clock stopped because the AVP only talks to the
+ * master.
+ */
+
+ if (enable) {
+ /* Initialize PLLX */
+ init_pllx();
+
+ /* Wait until all clocks are stable */
+ udelay(PLL_STABILIZATION_DELAY);
+
+ writel(CCLK_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
+ writel(SUPER_CCLK_DIVIDER, &clkrst->crc_super_cclk_div);
+ }
+
+ /*
+ * Read the register containing the individual CPU clock enables and
+ * always stop the clocks to CPUs > 0.
+ */
+ clk = readl(&clkrst->crc_clk_cpu_cmplx);
+ clk |= 1 << CPU1_CLK_STP_SHIFT;
+ if (get_num_cpus() == 4)
+ clk |= (1 << CPU2_CLK_STP_SHIFT) + (1 << CPU3_CLK_STP_SHIFT);
+
+ /* Stop/Unstop the CPU clock */
+ clk &= ~CPU0_CLK_STP_MASK;
+ clk |= !enable << CPU0_CLK_STP_SHIFT;
+ writel(clk, &clkrst->crc_clk_cpu_cmplx);
+
+ clock_enable(PERIPH_ID_CPU);
+}
+
+static int is_cpu_powered(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ return (readl(&pmc->pmc_pwrgate_status) & CPU_PWRED) ? 1 : 0;
+}
+
+static void remove_cpu_io_clamps(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ /* Remove the clamps on the CPU I/O signals */
+ reg = readl(&pmc->pmc_remove_clamping);
+ reg |= CPU_CLMP;
+ writel(reg, &pmc->pmc_remove_clamping);
+
+ /* Give I/O signals time to stabilize */
+ udelay(IO_STABILIZATION_DELAY);
+}
+
+void powerup_cpu(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+ int timeout = IO_STABILIZATION_DELAY;
+
+ if (!is_cpu_powered()) {
+ /* Toggle the CPU power state (OFF -> ON) */
+ reg = readl(&pmc->pmc_pwrgate_toggle);
+ reg &= PARTID_CP;
+ reg |= START_CP;
+ writel(reg, &pmc->pmc_pwrgate_toggle);
+
+ /* Wait for the power to come up */
+ while (!is_cpu_powered()) {
+ if (timeout-- == 0)
+ printf("CPU failed to power up!\n");
+ else
+ udelay(10);
+ }
+
+ /*
+ * Remove the I/O clamps from CPU power partition.
+ * Recommended only on a Warm boot, if the CPU partition gets
+ * power gated. Shouldn't cause any harm when called after a
+ * cold boot according to HW, probably just redundant.
+ */
+ remove_cpu_io_clamps();
+ }
+}
+
+void reset_A9_cpu(int reset)
+{
+ /*
+ * NOTE: Regardless of whether the request is to hold the CPU in reset
+ * or take it out of reset, every processor in the CPU complex
+ * except the master (CPU 0) will be held in reset because the
+ * AVP only talks to the master. The AVP does not know that there
+ * are multiple processors in the CPU complex.
+ */
+ int mask = crc_rst_cpu | crc_rst_de | crc_rst_debug;
+ int num_cpus = get_num_cpus();
+ int cpu;
+
+ debug("reset_a9_cpu entry\n");
+ /* Hold CPUs 1 onwards in reset, and CPU 0 if asked */
+ for (cpu = 1; cpu < num_cpus; cpu++)
+ reset_cmplx_set_enable(cpu, mask, 1);
+ reset_cmplx_set_enable(0, mask, reset);
+
+ /* Enable/Disable master CPU reset */
+ reset_set_enable(PERIPH_ID_CPU, reset);
+}
+
+void clock_enable_coresight(int enable)
+{
+ u32 rst, src = 2;
+ int soc_type;
+
+ debug("clock_enable_coresight entry\n");
+ clock_set_enable(PERIPH_ID_CORESIGHT, enable);
+ reset_set_enable(PERIPH_ID_CORESIGHT, !enable);
+
+ if (enable) {
+ /*
+ * Put CoreSight on PLLP_OUT0 and divide it down as per
+ * PLLP base frequency based on SoC type (T20/T30/T114).
+ * Clock divider request would setup CSITE clock as 144MHz
+ * for PLLP base 216MHz and 204MHz for PLLP base 408MHz
+ */
+
+ soc_type = tegra_get_chip();
+ if (soc_type == CHIPID_TEGRA30 || soc_type == CHIPID_TEGRA114)
+ src = CLK_DIVIDER(NVBL_PLLP_KHZ, 204000);
+ else if (soc_type == CHIPID_TEGRA20)
+ src = CLK_DIVIDER(NVBL_PLLP_KHZ, 144000);
+ else
+ printf("%s: Unknown SoC type %X!\n",
+ __func__, soc_type);
+
+ clock_ll_set_source_divisor(PERIPH_ID_CSI, 0, src);
+
+ /* Unlock the CPU CoreSight interfaces */
+ rst = CORESIGHT_UNLOCK;
+ writel(rst, CSITE_CPU_DBG0_LAR);
+ writel(rst, CSITE_CPU_DBG1_LAR);
+ if (get_num_cpus() == 4) {
+ writel(rst, CSITE_CPU_DBG2_LAR);
+ writel(rst, CSITE_CPU_DBG3_LAR);
+ }
+ }
+}
+
+void halt_avp(void)
+{
+ for (;;) {
+ writel((HALT_COP_EVENT_JTAG | HALT_COP_EVENT_IRQ_1 \
+ | HALT_COP_EVENT_FIQ_1 | (FLOW_MODE_STOP<<29)),
+ FLOW_CTLR_HALT_COP_EVENTS);
+ }
+}
diff --git a/arch/arm/cpu/arm720t/tegra-common/cpu.h b/arch/arm/cpu/arm720t/tegra-common/cpu.h
new file mode 100644
index 0000000..f9bfb32
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra-common/cpu.h
@@ -0,0 +1,86 @@
+/*
+ * (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)
+
+#if defined(CONFIG_TEGRA20)
+#define NVBL_PLLP_KHZ (216000)
+#elif defined(CONFIG_TEGRA30) || defined(CONFIG_TEGRA114)
+#define NVBL_PLLP_KHZ (408000)
+#else
+#error "Unknown Tegra chip!"
+#endif
+
+#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;
+
+#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 CSITE_CPU_DBG2_LAR (NV_PA_CSITE_BASE + 0x14FB0)
+#define CSITE_CPU_DBG3_LAR (NV_PA_CSITE_BASE + 0x16FB0)
+
+#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)
+
+#define FLOW_MODE_NONE 0
+
+#define SIMPLE_PLLX (CLOCK_ID_XCPU - CLOCK_ID_FIRST_SIMPLE)
+
+struct clk_pll_table {
+ u16 n;
+ u16 m;
+ u8 p;
+ u8 cpcon;
+};
+
+void clock_enable_coresight(int enable);
+void enable_cpu_clock(int enable);
+void halt_avp(void) __attribute__ ((noreturn));
+void init_pllx(void);
+void powerup_cpu(void);
+void reset_A9_cpu(int reset);
+void start_cpu(u32 reset_vector);
+int tegra_get_chip(void);
+int tegra_get_sku_info(void);
+int tegra_get_chip_sku(void);
+void adjust_pllp_out_freqs(void);
diff --git a/arch/arm/cpu/arm720t/tegra-common/spl.c b/arch/arm/cpu/arm720t/tegra-common/spl.c
new file mode 100644
index 0000000..a9a1c39
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra-common/spl.c
@@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2012
+ * NVIDIA Inc, <www.nvidia.com>
+ *
+ * Allen Martin <amartin@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 <common.h>
+#include <spl.h>
+
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/board.h>
+#include <asm/arch/spl.h>
+#include "cpu.h"
+
+void spl_board_init(void)
+{
+ struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+
+ /* enable JTAG */
+ writel(0xC0, &pmt->pmt_cfg_ctl);
+
+ board_init_uart_f();
+
+ /* Initialize periph GPIOs */
+ gpio_early_init_uart();
+
+ clock_early_init();
+ preloader_console_init();
+}
+
+u32 spl_boot_device(void)
+{
+ return BOOT_DEVICE_RAM;
+}
+
+void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
+{
+ debug("image entry point: 0x%X\n", spl_image->entry_point);
+
+ start_cpu((u32)spl_image->entry_point);
+ halt_avp();
+}
diff --git a/arch/arm/cpu/arm720t/tegra114/Makefile b/arch/arm/cpu/arm720t/tegra114/Makefile
new file mode 100644
index 0000000..6cf7fe9
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra114/Makefile
@@ -0,0 +1,42 @@
+#
+# Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
+#
+# (C) Copyright 2000-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).o
+
+#COBJS-y += cpu.o t11x.o
+COBJS-y += cpu.o
+
+SRCS := $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/arm720t/tegra114/config.mk b/arch/arm/cpu/arm720t/tegra114/config.mk
new file mode 100644
index 0000000..7947b50
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra114/config.mk
@@ -0,0 +1,19 @@
+#
+# Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope 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/>.
+#
+USE_PRIVATE_LIBGCC = yes
diff --git a/arch/arm/cpu/arm720t/tegra114/cpu.c b/arch/arm/cpu/arm720t/tegra114/cpu.c
new file mode 100644
index 0000000..51ecff7
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra114/cpu.c
@@ -0,0 +1,324 @@
+/*
+ * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/flow.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include "../tegra-common/cpu.h"
+
+/* Tegra114-specific CPU init code */
+static void enable_cpu_power_rail(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ debug("enable_cpu_power_rail entry\n");
+
+ /* un-tristate PWR_I2C SCL/SDA, rest of the defaults are correct */
+ pinmux_tristate_disable(PINGRP_PWR_I2C_SCL);
+ pinmux_tristate_disable(PINGRP_PWR_I2C_SDA);
+
+ /*
+ * Set CPUPWRGOOD_TIMER - APB clock is 1/2 of SCLK (102MHz),
+ * set it for 25ms (102MHz * .025)
+ */
+ reg = 0x26E8F0;
+ writel(reg, &pmc->pmc_cpupwrgood_timer);
+
+ /* Set polarity to 0 (normal) and enable CPUPWRREQ_OE */
+ clrbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_POL);
+ setbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_OE);
+
+ /*
+ * Set CLK_RST_CONTROLLER_CPU_SOFTRST_CTRL2_0_CAR2PMC_CPU_ACK_WIDTH
+ * to 408 to satisfy the requirement of having at least 16 CPU clock
+ * cycles before clamp removal.
+ */
+
+ clrbits_le32(&clkrst->crc_cpu_softrst_ctrl2, 0xFFF);
+ setbits_le32(&clkrst->crc_cpu_softrst_ctrl2, 408);
+}
+
+static void enable_cpu_clocks(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ debug("enable_cpu_clocks entry\n");
+
+ /* Wait for PLL-X to lock */
+ do {
+ reg = readl(&clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
+ } while ((reg & (1 << 27)) == 0);
+
+ /* Wait until all clocks are stable */
+ udelay(PLL_STABILIZATION_DELAY);
+
+ writel(CCLK_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
+ writel(SUPER_CCLK_DIVIDER, &clkrst->crc_super_cclk_div);
+
+ /* Always enable the main CPU complex clocks */
+ clock_enable(PERIPH_ID_CPU);
+ clock_enable(PERIPH_ID_CPULP);
+ clock_enable(PERIPH_ID_CPUG);
+}
+
+static void remove_cpu_resets(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ debug("remove_cpu_resets entry\n");
+ /* Take the slow non-CPU partition out of reset */
+ reg = readl(&clkrst->crc_rst_cpulp_cmplx_clr);
+ writel((reg | CLR_NONCPURESET), &clkrst->crc_rst_cpulp_cmplx_clr);
+
+ /* Take the fast non-CPU partition out of reset */
+ reg = readl(&clkrst->crc_rst_cpug_cmplx_clr);
+ writel((reg | CLR_NONCPURESET), &clkrst->crc_rst_cpug_cmplx_clr);
+
+ /* Clear the SW-controlled reset of the slow cluster */
+ reg = readl(&clkrst->crc_rst_cpulp_cmplx_clr);
+ reg |= (CLR_CPURESET0+CLR_DBGRESET0+CLR_CORERESET0+CLR_CXRESET0);
+ writel(reg, &clkrst->crc_rst_cpulp_cmplx_clr);
+
+ /* Clear the SW-controlled reset of the fast cluster */
+ reg = readl(&clkrst->crc_rst_cpug_cmplx_clr);
+ reg |= (CLR_CPURESET0+CLR_DBGRESET0+CLR_CORERESET0+CLR_CXRESET0);
+ reg |= (CLR_CPURESET1+CLR_DBGRESET1+CLR_CORERESET1+CLR_CXRESET1);
+ reg |= (CLR_CPURESET2+CLR_DBGRESET2+CLR_CORERESET2+CLR_CXRESET2);
+ reg |= (CLR_CPURESET3+CLR_DBGRESET3+CLR_CORERESET3+CLR_CXRESET3);
+ writel(reg, &clkrst->crc_rst_cpug_cmplx_clr);
+}
+
+/**
+ * The T114 requires some special clock initialization, including setting up
+ * the DVC I2C, turning on MSELECT and selecting the G CPU cluster
+ */
+void t114_init_clocks(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
+ u32 val;
+
+ debug("t114_init_clocks entry\n");
+
+ /* Set active CPU cluster to G */
+ clrbits_le32(&flow->cluster_control, 1);
+
+ /*
+ * Switch system clock to PLLP_OUT4 (108 MHz), AVP will now run
+ * at 108 MHz. This is glitch free as only the source is changed, no
+ * special precaution needed.
+ */
+ val = (SCLK_SOURCE_PLLP_OUT4 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT) |
+ (SCLK_SOURCE_PLLP_OUT4 << SCLK_SWAKEUP_IRQ_SOURCE_SHIFT) |
+ (SCLK_SOURCE_PLLP_OUT4 << SCLK_SWAKEUP_RUN_SOURCE_SHIFT) |
+ (SCLK_SOURCE_PLLP_OUT4 << SCLK_SWAKEUP_IDLE_SOURCE_SHIFT) |
+ (SCLK_SYS_STATE_RUN << SCLK_SYS_STATE_SHIFT);
+ writel(val, &clkrst->crc_sclk_brst_pol);
+
+ writel(SUPER_SCLK_ENB_MASK, &clkrst->crc_super_sclk_div);
+
+ debug("Setting up PLLX\n");
+ init_pllx();
+
+ val = (1 << CLK_SYS_RATE_AHB_RATE_SHIFT);
+ writel(val, &clkrst->crc_clk_sys_rate);
+
+ /* Enable clocks to required peripherals. TBD - minimize this list */
+ debug("Enabling clocks\n");
+
+ clock_set_enable(PERIPH_ID_CACHE2, 1);
+ clock_set_enable(PERIPH_ID_GPIO, 1);
+ clock_set_enable(PERIPH_ID_TMR, 1);
+ clock_set_enable(PERIPH_ID_RTC, 1);
+ clock_set_enable(PERIPH_ID_CPU, 1);
+ clock_set_enable(PERIPH_ID_EMC, 1);
+ clock_set_enable(PERIPH_ID_I2C5, 1);
+ clock_set_enable(PERIPH_ID_FUSE, 1);
+ clock_set_enable(PERIPH_ID_PMC, 1);
+ clock_set_enable(PERIPH_ID_APBDMA, 1);
+ clock_set_enable(PERIPH_ID_MEM, 1);
+ clock_set_enable(PERIPH_ID_IRAMA, 1);
+ clock_set_enable(PERIPH_ID_IRAMB, 1);
+ clock_set_enable(PERIPH_ID_IRAMC, 1);
+ clock_set_enable(PERIPH_ID_IRAMD, 1);
+ clock_set_enable(PERIPH_ID_CORESIGHT, 1);
+ clock_set_enable(PERIPH_ID_MSELECT, 1);
+ clock_set_enable(PERIPH_ID_EMC1, 1);
+ clock_set_enable(PERIPH_ID_MC1, 1);
+ clock_set_enable(PERIPH_ID_DVFS, 1);
+
+ /*
+ * Set MSELECT clock source as PLLP (00), and ask for a clock
+ * divider that would set the MSELECT clock at 102MHz for a
+ * PLLP base of 408MHz.
+ */
+ clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0,
+ CLK_DIVIDER(NVBL_PLLP_KHZ, 102000));
+
+ /* I2C5 (DVC) gets CLK_M and a divisor of 17 */
+ clock_ll_set_source_divisor(PERIPH_ID_I2C5, 3, 16);
+
+ /* Give clocks time to stabilize */
+ udelay(1000);
+
+ /* Take required peripherals out of reset */
+ debug("Taking periphs out of reset\n");
+ reset_set_enable(PERIPH_ID_CACHE2, 0);
+ reset_set_enable(PERIPH_ID_GPIO, 0);
+ reset_set_enable(PERIPH_ID_TMR, 0);
+ reset_set_enable(PERIPH_ID_COP, 0);
+ reset_set_enable(PERIPH_ID_EMC, 0);
+ reset_set_enable(PERIPH_ID_I2C5, 0);
+ reset_set_enable(PERIPH_ID_FUSE, 0);
+ reset_set_enable(PERIPH_ID_APBDMA, 0);
+ reset_set_enable(PERIPH_ID_MEM, 0);
+ reset_set_enable(PERIPH_ID_CORESIGHT, 0);
+ reset_set_enable(PERIPH_ID_MSELECT, 0);
+ reset_set_enable(PERIPH_ID_EMC1, 0);
+ reset_set_enable(PERIPH_ID_MC1, 0);
+ reset_set_enable(PERIPH_ID_DVFS, 0);
+
+ debug("t114_init_clocks exit\n");
+}
+
+static int is_partition_powered(u32 mask)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ /* Get power gate status */
+ reg = readl(&pmc->pmc_pwrgate_status);
+ return (reg & mask) == mask;
+}
+
+static int is_clamp_enabled(u32 mask)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ /* Get clamp status. TODO: Add pmc_clamp_status alias to pmc.h */
+ reg = readl(&pmc->pmc_pwrgate_timer_on);
+ return (reg & mask) == mask;
+}
+
+static void power_partition(u32 status, u32 partid)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ debug("%s: status = %08X, part ID = %08X\n", __func__, status, partid);
+ /* Is the partition already on? */
+ if (!is_partition_powered(status)) {
+ /* No, toggle the partition power state (OFF -> ON) */
+ debug("power_partition, toggling state\n");
+ clrbits_le32(&pmc->pmc_pwrgate_toggle, 0x1F);
+ setbits_le32(&pmc->pmc_pwrgate_toggle, partid);
+ setbits_le32(&pmc->pmc_pwrgate_toggle, START_CP);
+
+ /* Wait for the power to come up */
+ while (!is_partition_powered(status))
+ ;
+
+ /* Wait for the clamp status to be cleared */
+ while (is_clamp_enabled(status))
+ ;
+
+ /* Give I/O signals time to stabilize */
+ udelay(IO_STABILIZATION_DELAY);
+ }
+}
+
+void powerup_cpus(void)
+{
+ debug("powerup_cpus entry\n");
+
+ /* We boot to the fast cluster */
+ debug("powerup_cpus entry: G cluster\n");
+ /* Power up the fast cluster rail partition */
+ power_partition(CRAIL, CRAILID);
+
+ /* Power up the fast cluster non-CPU partition */
+ power_partition(C0NC, C0NCID);
+
+ /* Power up the fast cluster CPU0 partition */
+ power_partition(CE0, CE0ID);
+}
+
+void start_cpu(u32 reset_vector)
+{
+ u32 imme, inst;
+
+ debug("start_cpu entry, reset_vector = %x\n", reset_vector);
+
+ t114_init_clocks();
+
+ /* Enable VDD_CPU */
+ enable_cpu_power_rail();
+
+ /* Get the CPU(s) running */
+ enable_cpu_clocks();
+
+ /* Enable CoreSight */
+ clock_enable_coresight(1);
+
+ /* Take CPU(s) out of reset */
+ remove_cpu_resets();
+
+ /* Set the entry point for CPU execution from reset */
+
+ /*
+ * A01P with patched boot ROM; vector hard-coded to 0x4003fffc.
+ * See nvbug 1193357 for details.
+ */
+
+ /* mov r0, #lsb(reset_vector) */
+ imme = reset_vector & 0xffff;
+ inst = imme & 0xfff;
+ inst |= ((imme >> 12) << 16);
+ inst |= 0xe3000000;
+ writel(inst, 0x4003fff0);
+
+ /* movt r0, #msb(reset_vector) */
+ imme = (reset_vector >> 16) & 0xffff;
+ inst = imme & 0xfff;
+ inst |= ((imme >> 12) << 16);
+ inst |= 0xe3400000;
+ writel(inst, 0x4003fff4);
+
+ /* bx r0 */
+ writel(0xe12fff10, 0x4003fff8);
+
+ /* b -12 */
+ imme = (u32)-20;
+ inst = (imme >> 2) & 0xffffff;
+ inst |= 0xea000000;
+ writel(inst, 0x4003fffc);
+
+ /* Write to orignal location for compatibility */
+ writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
+
+ /* If the CPU(s) don't already have power, power 'em up */
+ powerup_cpus();
+}
diff --git a/arch/arm/cpu/arm720t/tegra20/Makefile b/arch/arm/cpu/arm720t/tegra20/Makefile
new file mode 100644
index 0000000..8958e65
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra20/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2010,2011 Nvidia Corporation.
+#
+# (C) Copyright 2000-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).o
+
+COBJS-y += cpu.o
+
+SRCS := $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/arm720t/tegra20/config.mk b/arch/arm/cpu/arm720t/tegra20/config.mk
new file mode 100644
index 0000000..62a31d8
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra20/config.mk
@@ -0,0 +1,26 @@
+#
+# (C) Copyright 2010,2011
+# NVIDIA Corporation <www.nvidia.com>
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# 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
+#
+USE_PRIVATE_LIBGCC = yes
diff --git a/arch/arm/cpu/arm720t/tegra20/cpu.c b/arch/arm/cpu/arm720t/tegra20/cpu.c
new file mode 100644
index 0000000..2533899
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra20/cpu.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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/io.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/pmc.h>
+#include "../tegra-common/cpu.h"
+
+static void enable_cpu_power_rail(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ reg = readl(&pmc->pmc_cntrl);
+ reg |= CPUPWRREQ_OE;
+ writel(reg, &pmc->pmc_cntrl);
+
+ /*
+ * The TI PMU65861C needs a 3.75ms delay between enabling
+ * the power rail and enabling the CPU clock. This delay
+ * between SM1EN and SM1 is for switching time + the ramp
+ * up of the voltage to the CPU (VDD_CPU from PMU).
+ */
+ udelay(3750);
+}
+
+void start_cpu(u32 reset_vector)
+{
+ /* Enable VDD_CPU */
+ enable_cpu_power_rail();
+
+ /* Hold the CPUs in reset */
+ reset_A9_cpu(1);
+
+ /* Disable the CPU clock */
+ enable_cpu_clock(0);
+
+ /* Enable CoreSight */
+ clock_enable_coresight(1);
+
+ /*
+ * Set the entry point for CPU execution from reset,
+ * if it's a non-zero value.
+ */
+ if (reset_vector)
+ writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
+
+ /* Enable the CPU clock */
+ enable_cpu_clock(1);
+
+ /* If the CPU doesn't already have power, power it up */
+ powerup_cpu();
+
+ /* Take the CPU out of reset */
+ reset_A9_cpu(0);
+}
diff --git a/arch/arm/cpu/arm720t/tegra30/Makefile b/arch/arm/cpu/arm720t/tegra30/Makefile
new file mode 100644
index 0000000..bd96997
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra30/Makefile
@@ -0,0 +1,41 @@
+#
+# Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+#
+# (C) Copyright 2000-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).o
+
+COBJS-y += cpu.o
+
+SRCS := $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/arm720t/tegra30/config.mk b/arch/arm/cpu/arm720t/tegra30/config.mk
new file mode 100644
index 0000000..2388c56
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra30/config.mk
@@ -0,0 +1,19 @@
+#
+# Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope 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/>.
+#
+USE_PRIVATE_LIBGCC = yes
diff --git a/arch/arm/cpu/arm720t/tegra30/cpu.c b/arch/arm/cpu/arm720t/tegra30/cpu.c
new file mode 100644
index 0000000..e162357
--- /dev/null
+++ b/arch/arm/cpu/arm720t/tegra30/cpu.c
@@ -0,0 +1,176 @@
+/*
+ * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/flow.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/tegra_i2c.h>
+#include "../tegra-common/cpu.h"
+
+/* Tegra30-specific CPU init code */
+void tegra_i2c_ll_write_addr(uint addr, uint config)
+{
+ struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE;
+
+ writel(addr, &reg->cmd_addr0);
+ writel(config, &reg->cnfg);
+}
+
+void tegra_i2c_ll_write_data(uint data, uint config)
+{
+ struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE;
+
+ writel(data, &reg->cmd_data1);
+ writel(config, &reg->cnfg);
+}
+
+#define TPS65911_I2C_ADDR 0x5A
+#define TPS65911_VDDCTRL_OP_REG 0x28
+#define TPS65911_VDDCTRL_SR_REG 0x27
+#define TPS65911_VDDCTRL_OP_DATA (0x2300 | TPS65911_VDDCTRL_OP_REG)
+#define TPS65911_VDDCTRL_SR_DATA (0x0100 | TPS65911_VDDCTRL_SR_REG)
+#define I2C_SEND_2_BYTES 0x0A02
+
+static void enable_cpu_power_rail(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ debug("enable_cpu_power_rail entry\n");
+ reg = readl(&pmc->pmc_cntrl);
+ reg |= CPUPWRREQ_OE;
+ writel(reg, &pmc->pmc_cntrl);
+
+ /*
+ * Bring up CPU VDD via the TPS65911x PMIC on the DVC I2C bus.
+ * First set VDD to 1.4V, then enable the VDD regulator.
+ */
+ tegra_i2c_ll_write_addr(TPS65911_I2C_ADDR, 2);
+ tegra_i2c_ll_write_data(TPS65911_VDDCTRL_OP_DATA, I2C_SEND_2_BYTES);
+ udelay(1000);
+ tegra_i2c_ll_write_data(TPS65911_VDDCTRL_SR_DATA, I2C_SEND_2_BYTES);
+ udelay(10 * 1000);
+}
+
+/**
+ * The T30 requires some special clock initialization, including setting up
+ * the dvc i2c, turning on mselect and selecting the G CPU cluster
+ */
+void t30_init_clocks(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
+ u32 val;
+
+ debug("t30_init_clocks entry\n");
+ /* Set active CPU cluster to G */
+ clrbits_le32(flow->cluster_control, 1 << 0);
+
+ /*
+ * Switch system clock to PLLP_OUT4 (108 MHz), AVP will now run
+ * at 108 MHz. This is glitch free as only the source is changed, no
+ * special precaution needed.
+ */
+ val = (SCLK_SOURCE_PLLP_OUT4 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT) |
+ (SCLK_SOURCE_PLLP_OUT4 << SCLK_SWAKEUP_IRQ_SOURCE_SHIFT) |
+ (SCLK_SOURCE_PLLP_OUT4 << SCLK_SWAKEUP_RUN_SOURCE_SHIFT) |
+ (SCLK_SOURCE_PLLP_OUT4 << SCLK_SWAKEUP_IDLE_SOURCE_SHIFT) |
+ (SCLK_SYS_STATE_RUN << SCLK_SYS_STATE_SHIFT);
+ writel(val, &clkrst->crc_sclk_brst_pol);
+
+ writel(SUPER_SCLK_ENB_MASK, &clkrst->crc_super_sclk_div);
+
+ val = (0 << CLK_SYS_RATE_HCLK_DISABLE_SHIFT) |
+ (1 << CLK_SYS_RATE_AHB_RATE_SHIFT) |
+ (0 << CLK_SYS_RATE_PCLK_DISABLE_SHIFT) |
+ (0 << CLK_SYS_RATE_APB_RATE_SHIFT);
+ writel(val, &clkrst->crc_clk_sys_rate);
+
+ /* Put i2c, mselect in reset and enable clocks */
+ reset_set_enable(PERIPH_ID_DVC_I2C, 1);
+ clock_set_enable(PERIPH_ID_DVC_I2C, 1);
+ reset_set_enable(PERIPH_ID_MSELECT, 1);
+ clock_set_enable(PERIPH_ID_MSELECT, 1);
+
+ /* Switch MSELECT clock to PLLP (00) and use a divisor of 2 */
+ clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0, 2);
+
+ /*
+ * Our high-level clock routines are not available prior to
+ * relocation. We use the low-level functions which require a
+ * hard-coded divisor. Use CLK_M with divide by (n + 1 = 17)
+ */
+ clock_ll_set_source_divisor(PERIPH_ID_DVC_I2C, 3, 16);
+
+ /*
+ * Give clocks time to stabilize, then take i2c and mselect out of
+ * reset
+ */
+ udelay(1000);
+ reset_set_enable(PERIPH_ID_DVC_I2C, 0);
+ reset_set_enable(PERIPH_ID_MSELECT, 0);
+}
+
+static void set_cpu_running(int run)
+{
+ struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
+
+ debug("set_cpu_running entry, run = %d\n", run);
+ writel(run ? FLOW_MODE_NONE : FLOW_MODE_STOP, &flow->halt_cpu_events);
+}
+
+void start_cpu(u32 reset_vector)
+{
+ debug("start_cpu entry, reset_vector = %x\n", reset_vector);
+ t30_init_clocks();
+
+ /* Enable VDD_CPU */
+ enable_cpu_power_rail();
+
+ set_cpu_running(0);
+
+ /* Hold the CPUs in reset */
+ reset_A9_cpu(1);
+
+ /* Disable the CPU clock */
+ enable_cpu_clock(0);
+
+ /* Enable CoreSight */
+ clock_enable_coresight(1);
+
+ /*
+ * Set the entry point for CPU execution from reset,
+ * if it's a non-zero value.
+ */
+ if (reset_vector)
+ writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
+
+ /* Enable the CPU clock */
+ enable_cpu_clock(1);
+
+ /* If the CPU doesn't already have power, power it up */
+ powerup_cpu();
+
+ /* Take the CPU out of reset */
+ reset_A9_cpu(0);
+
+ set_cpu_running(1);
+}
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