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-rw-r--r--arch/arm/cpu/armv7/Makefile6
-rw-r--r--arch/arm/cpu/armv7/lowlevel_init.S50
-rw-r--r--arch/arm/cpu/armv7/omap-common/lowlevel_init.S18
-rw-r--r--arch/arm/include/asm/arch-am33xx/hardware.h3
-rw-r--r--arch/arm/include/asm/arch-am33xx/omap.h1
-rw-r--r--arch/arm/include/asm/arch-omap4/omap.h1
-rw-r--r--arch/arm/include/asm/arch-omap5/omap.h2
-rw-r--r--include/configs/am335x_evm.h4
-rw-r--r--include/configs/omap4_common.h7
-rw-r--r--include/configs/omap5_evm.h7
10 files changed, 63 insertions, 36 deletions
diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile
index 6b2addc..788eada 100644
--- a/arch/arm/cpu/armv7/Makefile
+++ b/arch/arm/cpu/armv7/Makefile
@@ -32,8 +32,12 @@ COBJS += cache_v7.o
COBJS += cpu.o
COBJS += syslib.o
+ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
+SOBJS += lowlevel_init.o
+endif
+
SRCS := $(START:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
START := $(addprefix $(obj),$(START))
all: $(obj).depend $(START) $(LIB)
diff --git a/arch/arm/cpu/armv7/lowlevel_init.S b/arch/arm/cpu/armv7/lowlevel_init.S
new file mode 100644
index 0000000..ef04575
--- /dev/null
+++ b/arch/arm/cpu/armv7/lowlevel_init.S
@@ -0,0 +1,50 @@
+/*
+ * A lowlevel_init function that sets up the stack to call a C function to
+ * perform further init.
+ *
+ * (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.
+ *
+ * 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 <linux/linkage.h>
+
+ENTRY(lowlevel_init)
+ /*
+ * Setup a temporary stack
+ */
+ ldr sp, =CONFIG_SYS_INIT_SP_ADDR
+
+ /*
+ * 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}
+ENDPROC(lowlevel_init)
diff --git a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S
index ccc6bb6..1ece073 100644
--- a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S
@@ -78,24 +78,6 @@ ENTRY(save_boot_params)
bx lr
ENDPROC(save_boot_params)
-ENTRY(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}
-ENDPROC(lowlevel_init)
-
ENTRY(set_pl310_ctrl_reg)
PUSH {r4-r11, lr} @ save registers - ROM code may pollute
@ our registers
diff --git a/arch/arm/include/asm/arch-am33xx/hardware.h b/arch/arm/include/asm/arch-am33xx/hardware.h
index c617331..62332f2 100644
--- a/arch/arm/include/asm/arch-am33xx/hardware.h
+++ b/arch/arm/include/asm/arch-am33xx/hardware.h
@@ -19,8 +19,9 @@
#ifndef __AM33XX_HARDWARE_H
#define __AM33XX_HARDWARE_H
+#include <asm/arch/omap.h>
+
/* Module base addresses */
-#define LOW_LEVEL_SRAM_STACK 0x4030B7FC
#define UART0_BASE 0x44E09000
/* DM Timer base addresses */
diff --git a/arch/arm/include/asm/arch-am33xx/omap.h b/arch/arm/include/asm/arch-am33xx/omap.h
index fc2b7a5..850f8a5 100644
--- a/arch/arm/include/asm/arch-am33xx/omap.h
+++ b/arch/arm/include/asm/arch-am33xx/omap.h
@@ -30,7 +30,6 @@
*/
#define NON_SECURE_SRAM_START 0x40304000
#define NON_SECURE_SRAM_END 0x4030E000
-#define LOW_LEVEL_SRAM_STACK 0x4030B7FC
/* ROM code defines */
/* Boot device */
diff --git a/arch/arm/include/asm/arch-omap4/omap.h b/arch/arm/include/asm/arch-omap4/omap.h
index 03bd923..d4b5076 100644
--- a/arch/arm/include/asm/arch-omap4/omap.h
+++ b/arch/arm/include/asm/arch-omap4/omap.h
@@ -172,7 +172,6 @@ struct control_lpddr2io_regs {
/* 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
#define SRAM_SCRATCH_SPACE_ADDR NON_SECURE_SRAM_START
/* SRAM scratch space entries */
#define OMAP4_SRAM_SCRATCH_OMAP4_REV SRAM_SCRATCH_SPACE_ADDR
diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h
index 7f05cb5..9dce49a 100644
--- a/arch/arm/include/asm/arch-omap5/omap.h
+++ b/arch/arm/include/asm/arch-omap5/omap.h
@@ -262,8 +262,6 @@ struct omap_sys_ctrl_regs {
#define NON_SECURE_SRAM_END 0x40320000 /* Not inclusive */
/* base address for indirect vectors (internal boot mode) */
#define SRAM_ROM_VECT_BASE 0x4031F000
-/* Temporary SRAM stack used while low level init is done */
-#define LOW_LEVEL_SRAM_STACK NON_SECURE_SRAM_END
#define SRAM_SCRATCH_SPACE_ADDR NON_SECURE_SRAM_START
/*
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 2bfe8c6..a8a6b8e 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -148,7 +148,7 @@
#define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
#define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1
-#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \
+#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
GENERATED_GBL_DATA_SIZE)
/* Platform/Board specific defs */
#define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
@@ -195,7 +195,7 @@
#define CONFIG_SPL
#define CONFIG_SPL_TEXT_BASE 0x402F0400
#define CONFIG_SPL_MAX_SIZE (46 * 1024)
-#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
+#define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
#define CONFIG_SPL_BSS_START_ADDR 0x80000000
#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
diff --git a/include/configs/omap4_common.h b/include/configs/omap4_common.h
index 6f298a1..2771839 100644
--- a/include/configs/omap4_common.h
+++ b/include/configs/omap4_common.h
@@ -225,10 +225,7 @@
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE 0x80000000
-#define CONFIG_SYS_INIT_RAM_ADDR 0x4030D800
-#define CONFIG_SYS_INIT_RAM_SIZE 0x800
-#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
- CONFIG_SYS_INIT_RAM_SIZE - \
+#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
GENERATED_GBL_DATA_SIZE)
#ifndef CONFIG_SYS_L2CACHE_OFF
@@ -249,7 +246,7 @@
#define CONFIG_SPL
#define CONFIG_SPL_TEXT_BASE 0x40304350
#define CONFIG_SPL_MAX_SIZE (38 * 1024)
-#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
+#define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
/*
* 64 bytes before this address should be set aside for u-boot.img's
diff --git a/include/configs/omap5_evm.h b/include/configs/omap5_evm.h
index 0884280..4d6de16 100644
--- a/include/configs/omap5_evm.h
+++ b/include/configs/omap5_evm.h
@@ -228,10 +228,7 @@
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE 0x80000000
-#define CONFIG_SYS_INIT_RAM_ADDR 0x4030D800
-#define CONFIG_SYS_INIT_RAM_SIZE 0x800
-#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
- CONFIG_SYS_INIT_RAM_SIZE - \
+#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
@@ -246,7 +243,7 @@
#define CONFIG_SPL
#define CONFIG_SPL_TEXT_BASE 0x40300350
#define CONFIG_SPL_MAX_SIZE 0x19000 /* 100K */
-#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
+#define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
generated by cgit v1.1 at 2024-12-04 02:23:20 +0000