[U-Boot] [PATCH v3 02/10] ARMV7: Add basic support for TI OMAP4

Steve Sakoman
2010-06-18T20:42:33Z

This patch adds minimum support for OMAP4. Code which can be shared
between OMAP3 and OMAP4 is placed in arch/arm/cpu/armv7/omap-common

Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
---
Makefile | 7 +
arch/arm/cpu/armv7/{omap3 => omap-common}/Makefile | 22 +---
arch/arm/cpu/armv7/omap-common/config.mk | 33 ++++++
arch/arm/cpu/armv7/{omap3 => omap-common}/reset.S | 0
arch/arm/cpu/armv7/{omap3 => omap-common}/timer.c | 5 +
arch/arm/cpu/armv7/omap3/Makefile | 2 -
arch/arm/cpu/armv7/{omap3 => omap4}/Makefile | 16 +--
arch/arm/cpu/armv7/omap4/board.c | 90 +++++++++++++++
.../armv7/{omap3/reset.S => omap4/lowlevel_init.S} | 40 +++++---
.../cpu/armv7/{omap3/reset.S => omap4/sys_info.c} | 50 ++++++---
arch/arm/include/asm/arch-omap4/cpu.h | 94 ++++++++++++++++
arch/arm/include/asm/arch-omap4/omap4.h | 118 ++++++++++++++++++++
.../reset.S => include/asm/arch-omap4/sys_proto.h} | 35 +++---
13 files changed, 433 insertions(+), 79 deletions(-)
copy arch/arm/cpu/armv7/{omap3 => omap-common}/Makefile (77%)
create mode 100644 arch/arm/cpu/armv7/omap-common/config.mk
copy arch/arm/cpu/armv7/{omap3 => omap-common}/reset.S (100%)
rename arch/arm/cpu/armv7/{omap3 => omap-common}/timer.c (96%)
copy arch/arm/cpu/armv7/{omap3 => omap4}/Makefile (81%)
create mode 100644 arch/arm/cpu/armv7/omap4/board.c
copy arch/arm/cpu/armv7/{omap3/reset.S => omap4/lowlevel_init.S} (65%)
copy arch/arm/cpu/armv7/{omap3/reset.S => omap4/sys_info.c} (60%)
create mode 100644 arch/arm/include/asm/arch-omap4/cpu.h
create mode 100644 arch/arm/include/asm/arch-omap4/omap4.h
rename arch/arm/{cpu/armv7/omap3/reset.S => include/asm/arch-omap4/sys_proto.h} (64%)

diff --git a/Makefile b/Makefile
index 3e11f6f..e520ec4 100644
--- a/Makefile
+++ b/Makefile
@@ -244,6 +244,13 @@ LIBS += lib/libfdt/libfdt.a
LIBS += api/libapi.a
LIBS += post/libpost.a

+ifeq ($(SOC),omap3)
+LIBS += $(CPUDIR)/omap-common/libomap-common.a
+endif
+ifeq ($(SOC),omap4)
+LIBS += $(CPUDIR)/omap-common/libomap-common.a
+endif
+
LIBS := $(addprefix $(obj),$(LIBS))
.PHONY : $(LIBS) $(TIMESTAMP_FILE) $(VERSION_FILE)

diff --git a/arch/arm/cpu/armv7/omap3/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile
similarity index 77%
copy from arch/arm/cpu/armv7/omap3/Makefile
copy to arch/arm/cpu/armv7/omap-common/Makefile
index 7d63c6b..3a4a304 100644
--- a/arch/arm/cpu/armv7/omap3/Makefile
+++ b/arch/arm/cpu/armv7/omap-common/Makefile
@@ -23,27 +23,15 @@

include $(TOPDIR)/config.mk

-LIB = $(obj)lib$(SOC).a
+LIB = $(obj)libomap-common.a

-SOBJS := lowlevel_init.o
-SOBJS += cache.o
-SOBJS += reset.o
-
-COBJS += board.o
-COBJS += clock.o
-COBJS += gpio.o
-COBJS += mem.o
-COBJS += syslib.o
-COBJS += sys_info.o
-COBJS += timer.o
-
-COBJS-$(CONFIG_EMIF4) += emif4.o
-COBJS-$(CONFIG_SDRC) += sdrc.o
+SOBJS := reset.o
+COBJS := timer.o

SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS))
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))

-all: $(obj).depend $(LIB)
+all: $(obj).depend $(LIB)

$(LIB): $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
diff --git a/arch/arm/cpu/armv7/omap-common/config.mk b/arch/arm/cpu/armv7/omap-common/config.mk
new file mode 100644
index 0000000..49ac9c7
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap-common/config.mk
@@ -0,0 +1,33 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v7a.
+PLATFORM_CPPFLAGS += -march=armv5
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\
+ $(call cc-option,-malignment-traps,))
diff --git a/arch/arm/cpu/armv7/omap3/reset.S b/arch/arm/cpu/armv7/omap-common/reset.S
similarity index 100%
copy from arch/arm/cpu/armv7/omap3/reset.S
copy to arch/arm/cpu/armv7/omap-common/reset.S
diff --git a/arch/arm/cpu/armv7/omap3/timer.c b/arch/arm/cpu/armv7/omap-common/timer.c
similarity index 96%
rename from arch/arm/cpu/armv7/omap3/timer.c
rename to arch/arm/cpu/armv7/omap-common/timer.c
index 401bfe6..69e285f 100644
--- a/arch/arm/cpu/armv7/omap3/timer.c
+++ b/arch/arm/cpu/armv7/omap-common/timer.c
@@ -84,6 +84,11 @@ void set_timer(ulong t)
/* delay x useconds */
void __udelay(unsigned long usec)
{
+#if defined(CONFIG_OMAP44XX)
+ /* TODO temporary hack until OMAP4 clock setup routines are present */
+ if (usec > 1000)
+ usec = usec/1000;
+#endif
long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
unsigned long now, last = readl(&timer_base->tcrr);

diff --git a/arch/arm/cpu/armv7/omap3/Makefile b/arch/arm/cpu/armv7/omap3/Makefile
index 7d63c6b..79ae267 100644
--- a/arch/arm/cpu/armv7/omap3/Makefile
+++ b/arch/arm/cpu/armv7/omap3/Makefile
@@ -27,7 +27,6 @@ LIB = $(obj)lib$(SOC).a

SOBJS := lowlevel_init.o
SOBJS += cache.o
-SOBJS += reset.o

COBJS += board.o
COBJS += clock.o
@@ -35,7 +34,6 @@ COBJS += gpio.o
COBJS += mem.o
COBJS += syslib.o
COBJS += sys_info.o
-COBJS += timer.o

COBJS-$(CONFIG_EMIF4) += emif4.o
COBJS-$(CONFIG_SDRC) += sdrc.o
diff --git a/arch/arm/cpu/armv7/omap3/Makefile b/arch/arm/cpu/armv7/omap4/Makefile
similarity index 81%
copy from arch/arm/cpu/armv7/omap3/Makefile
copy to arch/arm/cpu/armv7/omap4/Makefile
index 7d63c6b..ecf64f9 100644
--- a/arch/arm/cpu/armv7/omap3/Makefile
+++ b/arch/arm/cpu/armv7/omap4/Makefile
@@ -1,5 +1,5 @@
#
-# (C) Copyright 2000-2003
+# (C) Copyright 2000-2010
# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
#
# See file CREDITS for list of people who contributed to this
@@ -25,23 +25,13 @@ include $(TOPDIR)/config.mk

LIB = $(obj)lib$(SOC).a

-SOBJS := lowlevel_init.o
-SOBJS += cache.o
-SOBJS += reset.o
+SOBJS += lowlevel_init.o

COBJS += board.o
-COBJS += clock.o
-COBJS += gpio.o
-COBJS += mem.o
-COBJS += syslib.o
COBJS += sys_info.o
-COBJS += timer.o
-
-COBJS-$(CONFIG_EMIF4) += emif4.o
-COBJS-$(CONFIG_SDRC) += sdrc.o

SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS))
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))

all: $(obj).depend $(LIB)

diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c
new file mode 100644
index 0000000..5bf7173
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap4/board.c
@@ -0,0 +1,90 @@
+/*
+ *
+ * Common functions for OMAP4 based boards
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Aneesh V <aneesh@ti.com>
+ * Steve Sakoman <steve@sakoman.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 <asm/arch/cpu.h>
+#include <asm/arch/sys_proto.h>
+
+/*
+ * Routine: s_init
+ * Description: Does early system init of muxing and clocks.
+ * - Called path is with SRAM stack.
+ */
+void s_init(void)
+{
+ watchdog_init();
+}
+
+/*
+ * Routine: wait_for_command_complete
+ * Description: Wait for posting to finish on watchdog
+ */
+void wait_for_command_complete(struct watchdog *wd_base)
+{
+ int pending = 1;
+ do {
+ pending = readl(&wd_base->wwps);
+ } while (pending);
+}
+
+/*
+ * Routine: watchdog_init
+ * Description: Shut down watch dogs
+ */
+void watchdog_init(void)
+{
+ struct watchdog *wd2_base = (struct watchdog *)WDT2_BASE;
+
+ writel(WD_UNLOCK1, &wd2_base->wspr);
+ wait_for_command_complete(wd2_base);
+ writel(WD_UNLOCK2, &wd2_base->wspr);
+}
+
+/*
+ * Routine: dram_init
+ * Description: sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = 0x80000000;
+ gd->bd->bi_dram[0].size = 512 << 20;
+ return 0;
+}
+
+/*
+ * Print board information
+ */
+int checkboard(void)
+{
+ puts(sysinfo.board_string);
+ return 0;
+}
+
diff --git a/arch/arm/cpu/armv7/omap3/reset.S b/arch/arm/cpu/armv7/omap4/lowlevel_init.S
similarity index 65%
copy from arch/arm/cpu/armv7/omap3/reset.S
copy to arch/arm/cpu/armv7/omap4/lowlevel_init.S
index a53c408..9a181eb 100644
--- a/arch/arm/cpu/armv7/omap3/reset.S
+++ b/arch/arm/cpu/armv7/omap4/lowlevel_init.S
@@ -1,6 +1,11 @@
/*
- * Copyright (c) 2009 Samsung Electronics.
- * Minkyu Kang <mk7.kang@samsung.com>
+ * Board specific setup info
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Aneesh V <aneesh@ti.com>
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -21,16 +26,23 @@
* MA 02111-1307 USA
*/

-#include <config.h>
+#include <asm/arch/omap4.h>
+
+.globl lowlevel_init
+lowlevel_init:
+ /*
+ * Setup a temporary stack
+ */
+ ldr sp, =LOW_LEVEL_SRAM_STACK
+
+ /*
+ * Save the old lr(passed in ip) and the current lr to stack
+ */
+ push {ip, lr}
+
+ /*
+ * go setup pll, mux, memory
+ */
+ bl s_init
+ pop {ip, pc}

-.global reset_cpu
-reset_cpu:
- ldr r1, rstctl @ get addr for global reset
- @ reg
- mov r3, #0x2 @ full reset pll + mpu
- str r3, [r1] @ force reset
- mov r0, r0
-_loop_forever:
- b _loop_forever
-rstctl:
- .word PRM_RSTCTRL
diff --git a/arch/arm/cpu/armv7/omap3/reset.S b/arch/arm/cpu/armv7/omap4/sys_info.c
similarity index 60%
copy from arch/arm/cpu/armv7/omap3/reset.S
copy to arch/arm/cpu/armv7/omap4/sys_info.c
index a53c408..3b73191 100644
--- a/arch/arm/cpu/armv7/omap3/reset.S
+++ b/arch/arm/cpu/armv7/omap4/sys_info.c
@@ -1,9 +1,10 @@
/*
- * Copyright (c) 2009 Samsung Electronics.
- * Minkyu Kang <mk7.kang@samsung.com>
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
*
- * See file CREDITS for list of people who contributed to this
- * project.
+ * Author :
+ * Aneesh V <aneesh@ti.com>
+ * Steve Sakoman <steve@sakoman.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -21,16 +22,33 @@
* MA 02111-1307 USA
*/

-#include <config.h>
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+
+/*
+ * get_device_type(): tell if GP/HS/EMU/TST
+ */
+u32 get_device_type(void)
+{
+ return 0;
+}
+
+/*
+ * get_board_rev() - get board revision
+ */
+u32 get_board_rev(void)
+{
+ return 0x20;
+}
+
+/*
+ * Print CPU information
+ */
+int print_cpuinfo(void)
+{
+
+ puts("CPU : OMAP4430\n");
+
+ return 0;
+}

-.global reset_cpu
-reset_cpu:
- ldr r1, rstctl @ get addr for global reset
- @ reg
- mov r3, #0x2 @ full reset pll + mpu
- str r3, [r1] @ force reset
- mov r0, r0
-_loop_forever:
- b _loop_forever
-rstctl:
- .word PRM_RSTCTRL
diff --git a/arch/arm/include/asm/arch-omap4/cpu.h b/arch/arm/include/asm/arch-omap4/cpu.h
new file mode 100644
index 0000000..7d8aa20
--- /dev/null
+++ b/arch/arm/include/asm/arch-omap4/cpu.h
@@ -0,0 +1,94 @@
+/*
+ * (C) Copyright 2006-2010
+ * Texas Instruments, <www.ti.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 _CPU_H
+#define _CPU_H
+
+#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
+#include <asm/types.h>
+#endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
+
+#ifndef __KERNEL_STRICT_NAMES
+#ifndef __ASSEMBLY__
+struct gptimer {
+ u32 tidr; /* 0x00 r */
+ u8 res[0xc];
+ u32 tiocp_cfg; /* 0x10 rw */
+ u32 tistat; /* 0x14 r */
+ u32 tisr; /* 0x18 rw */
+ u32 tier; /* 0x1c rw */
+ u32 twer; /* 0x20 rw */
+ u32 tclr; /* 0x24 rw */
+ u32 tcrr; /* 0x28 rw */
+ u32 tldr; /* 0x2c rw */
+ u32 ttgr; /* 0x30 rw */
+ u32 twpc; /* 0x34 r */
+ u32 tmar; /* 0x38 rw */
+ u32 tcar1; /* 0x3c r */
+ u32 tcicr; /* 0x40 rw */
+ u32 tcar2; /* 0x44 r */
+};
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL_STRICT_NAMES */
+
+/* enable sys_clk NO-prescale /1 */
+#define GPT_EN ((0x0 << 2) | (0x1 << 1) | (0x1 << 0))
+
+/* Watchdog */
+#ifndef __KERNEL_STRICT_NAMES
+#ifndef __ASSEMBLY__
+struct watchdog {
+ u8 res1[0x34];
+ u32 wwps; /* 0x34 r */
+ u8 res2[0x10];
+ u32 wspr; /* 0x48 rw */
+};
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL_STRICT_NAMES */
+
+#define WD_UNLOCK1 0xAAAA
+#define WD_UNLOCK2 0x5555
+
+#define SYSCLKDIV_1 (0x1 << 6)
+#define SYSCLKDIV_2 (0x1 << 7)
+
+#define CLKSEL_GPT1 (0x1 << 0)
+
+#define EN_GPT1 (0x1 << 0)
+#define EN_32KSYNC (0x1 << 2)
+
+#define ST_WDT2 (0x1 << 5)
+
+#define RESETDONE (0x1 << 0)
+
+#define TCLR_ST (0x1 << 0)
+#define TCLR_AR (0x1 << 1)
+#define TCLR_PRE (0x1 << 5)
+
+/* I2C base */
+#define I2C_BASE1 (OMAP44XX_L4_PER_BASE + 0x70000)
+#define I2C_BASE2 (OMAP44XX_L4_PER_BASE + 0x72000)
+#define I2C_BASE3 (OMAP44XX_L4_PER_BASE + 0x60000)
+
+#endif /* _CPU_H */
diff --git a/arch/arm/include/asm/arch-omap4/omap4.h b/arch/arm/include/asm/arch-omap4/omap4.h
new file mode 100644
index 0000000..d123d6a
--- /dev/null
+++ b/arch/arm/include/asm/arch-omap4/omap4.h
@@ -0,0 +1,118 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Authors:
+ * Aneesh V <aneesh@ti.com>
+ *
+ * Derived from OMAP3 work by
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <x0khasim@ti.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 _OMAP4_H_
+#define _OMAP4_H_
+
+#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
+#include <asm/types.h>
+#endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
+
+/*
+ * L4 Peripherals - L4 Wakeup and L4 Core now
+ */
+#define OMAP44XX_L4_CORE_BASE 0x4A000000
+#define OMAP44XX_L4_WKUP_BASE 0x4A300000
+#define OMAP44XX_L4_PER_BASE 0x48000000
+
+/* CONTROL */
+#define CTRL_BASE (OMAP44XX_L4_CORE_BASE + 0x2000)
+
+/* UART */
+#define UART1_BASE (OMAP44XX_L4_PER_BASE + 0x6a000)
+#define UART2_BASE (OMAP44XX_L4_PER_BASE + 0x6c000)
+#define UART3_BASE (OMAP44XX_L4_PER_BASE + 0x20000)
+
+/* General Purpose Timers */
+#define GPT1_BASE (OMAP44XX_L4_WKUP_BASE + 0x18000)
+#define GPT2_BASE (OMAP44XX_L4_PER_BASE + 0x32000)
+#define GPT3_BASE (OMAP44XX_L4_PER_BASE + 0x34000)
+
+/* Watchdog Timer2 - MPU watchdog */
+#define WDT2_BASE (OMAP44XX_L4_WKUP_BASE + 0x14000)
+
+/* 32KTIMER */
+#define SYNC_32KTIMER_BASE (OMAP44XX_L4_WKUP_BASE + 0x4000)
+
+/* GPMC */
+#define GPMC_BASE 0x50000000
+
+/*
+ * Hardware Register Details
+ */
+
+/* Watchdog Timer */
+#define WD_UNLOCK1 0xAAAA
+#define WD_UNLOCK2 0x5555
+
+/* GP Timer */
+#define TCLR_ST (0x1 << 0)
+#define TCLR_AR (0x1 << 1)
+#define TCLR_PRE (0x1 << 5)
+
+/*
+ * PRCM
+ */
+
+/* PRM */
+#define PRM_BASE 0x4A306000
+#define PRM_DEVICE_BASE (PRM_BASE + 0x1B00)
+
+#define PRM_RSTCTRL PRM_DEVICE_BASE
+
+#ifndef __ASSEMBLY__
+
+struct s32ktimer {
+ unsigned char res[0x10];
+ unsigned int s32k_cr; /* 0x10 */
+};
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * Non-secure SRAM Addresses
+ * Non-secure RAM starts at 0x40300000 for GP devices. But we keep SRAM_BASE
+ * at 0x40304000(EMU base) so that our code works for both EMU and GP
+ */
+#define NON_SECURE_SRAM_START 0x40304000
+#define NON_SECURE_SRAM_END 0x4030E000 /* Not inclusive */
+/* base address for indirect vectors (internal boot mode) */
+#define SRAM_ROM_VECT_BASE 0x4030D000
+/* Temporary SRAM stack used while low level init is done */
+#define LOW_LEVEL_SRAM_STACK NON_SECURE_SRAM_END
+
+/*
+ * OMAP4 real hardware:
+ * TODO: Change this to the IDCODE in the hw regsiter
+ */
+#define CPU_OMAP4430_ES10 1
+#define CPU_OMAP4430_ES20 2
+
+#endif
diff --git a/arch/arm/cpu/armv7/omap3/reset.S b/arch/arm/include/asm/arch-omap4/sys_proto.h
similarity index 64%
rename from arch/arm/cpu/armv7/omap3/reset.S
rename to arch/arm/include/asm/arch-omap4/sys_proto.h
index a53c408..6f4d3d5 100644
--- a/arch/arm/cpu/armv7/omap3/reset.S
+++ b/arch/arm/include/asm/arch-omap4/sys_proto.h
@@ -1,9 +1,6 @@
/*
- * Copyright (c) 2009 Samsung Electronics.
- * Minkyu Kang <mk7.kang@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -21,16 +18,20 @@
* MA 02111-1307 USA
*/

-#include <config.h>
+#ifndef _SYS_PROTO_H_
+#define _SYS_PROTO_H_
+
+#include <asm/arch/omap4.h>
+#include <asm/io.h>
+
+struct omap_sysinfo {
+ char *board_string;
+};
+
+void watchdog_init(void);
+u32 get_device_type(void);
+void invalidate_dcache(u32);
+
+extern const struct omap_sysinfo sysinfo;

-.global reset_cpu
-reset_cpu:
- ldr r1, rstctl @ get addr for global reset
- @ reg
- mov r3, #0x2 @ full reset pll + mpu
- str r3, [r1] @ force reset
- mov r0, r0
-_loop_forever:
- b _loop_forever
-rstctl:
- .word PRM_RSTCTRL
+#endif
--
1.7.0.4