[U-Boot] [V2 06/15] S3C64xx: mov cpu_init.S to the board directory

Zhong Hongbo bocui107 at gmail.com
Fri Jul 13 18:11:44 CEST 2012 

From: Zhong Hongbo <bocui107 at gmail.com>

It just only do the memory init. The memory depend on the
design of board.

Signed-off-by: Zhong Hongbo <bocui107 at gmail.com>
---
Change for V2:
	- None.
---
 arch/arm/cpu/arm1176/s3c64xx/Makefile   |    2 +-
 arch/arm/cpu/arm1176/s3c64xx/cpu_init.S |  135 -------------------------------
 board/samsung/smdk6400/Makefile         |    2 +-
 board/samsung/smdk6400/mem_init.S       |  135 +++++++++++++++++++++++++++++++
 4 files changed, 137 insertions(+), 137 deletions(-)
 delete mode 100644 arch/arm/cpu/arm1176/s3c64xx/cpu_init.S
 create mode 100644 board/samsung/smdk6400/mem_init.S

diff --git a/arch/arm/cpu/arm1176/s3c64xx/Makefile b/arch/arm/cpu/arm1176/s3c64xx/Makefile
index 966663f..2f37431 100644
--- a/arch/arm/cpu/arm1176/s3c64xx/Makefile
+++ b/arch/arm/cpu/arm1176/s3c64xx/Makefile
@@ -30,7 +30,7 @@ LIB	= $(obj)lib$(SOC).o
 
 SOBJS	= reset.o
 
-COBJS-$(CONFIG_S3C6400)	+= cpu_init.o speed.o
+COBJS-$(CONFIG_S3C64XX)	+= speed.o
 COBJS-y	+= timer.o
 COBJS-$(CONFIG_PWM) += pwm.o
 
diff --git a/arch/arm/cpu/arm1176/s3c64xx/cpu_init.S b/arch/arm/cpu/arm1176/s3c64xx/cpu_init.S
deleted file mode 100644
index df88cba..0000000
--- a/arch/arm/cpu/arm1176/s3c64xx/cpu_init.S
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Originates from Samsung's u-boot 1.1.6 port to S3C6400 / SMDK6400
- *
- * Copyright (C) 2008
- * Guennadi Liakhovetki, DENX Software Engineering, <lg at 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 <config.h>
-#include <asm/arch/s3c6400.h>
-
-	.globl mem_ctrl_asm_init
-mem_ctrl_asm_init:
-	/* DMC1 base address 0x7e001000 */
-	ldr	r0, =ELFIN_DMC1_BASE
-
-	ldr	r1, =0x4
-	str	r1, [r0, #INDEX_DMC_MEMC_CMD]
-
-	ldr	r1, =DMC_DDR_REFRESH_PRD
-	str	r1, [r0, #INDEX_DMC_REFRESH_PRD]
-
-	ldr	r1, =DMC_DDR_CAS_LATENCY
-	str	r1, [r0, #INDEX_DMC_CAS_LATENCY]
-
-	ldr	r1, =DMC_DDR_t_DQSS
-	str	r1, [r0, #INDEX_DMC_T_DQSS]
-
-	ldr	r1, =DMC_DDR_t_MRD
-	str	r1, [r0, #INDEX_DMC_T_MRD]
-
-	ldr	r1, =DMC_DDR_t_RAS
-	str	r1, [r0, #INDEX_DMC_T_RAS]
-
-	ldr	r1, =DMC_DDR_t_RC
-	str	r1, [r0, #INDEX_DMC_T_RC]
-
-	ldr	r1, =DMC_DDR_t_RCD
-	ldr	r2, =DMC_DDR_schedule_RCD
-	orr	r1, r1, r2
-	str	r1, [r0, #INDEX_DMC_T_RCD]
-
-	ldr	r1, =DMC_DDR_t_RFC
-	ldr	r2, =DMC_DDR_schedule_RFC
-	orr	r1, r1, r2
-	str	r1, [r0, #INDEX_DMC_T_RFC]
-
-	ldr	r1, =DMC_DDR_t_RP
-	ldr	r2, =DMC_DDR_schedule_RP
-	orr	r1, r1, r2
-	str	r1, [r0, #INDEX_DMC_T_RP]
-
-	ldr	r1, =DMC_DDR_t_RRD
-	str	r1, [r0, #INDEX_DMC_T_RRD]
-
-	ldr	r1, =DMC_DDR_t_WR
-	str	r1, [r0, #INDEX_DMC_T_WR]
-
-	ldr	r1, =DMC_DDR_t_WTR
-	str	r1, [r0, #INDEX_DMC_T_WTR]
-
-	ldr	r1, =DMC_DDR_t_XP
-	str	r1, [r0, #INDEX_DMC_T_XP]
-
-	ldr	r1, =DMC_DDR_t_XSR
-	str	r1, [r0, #INDEX_DMC_T_XSR]
-
-	ldr	r1, =DMC_DDR_t_ESR
-	str	r1, [r0, #INDEX_DMC_T_ESR]
-
-	ldr	r1, =DMC1_MEM_CFG
-	str	r1, [r0, #INDEX_DMC_MEMORY_CFG]
-
-	ldr	r1, =DMC1_MEM_CFG2
-	str	r1, [r0, #INDEX_DMC_MEMORY_CFG2]
-
-	ldr	r1, =DMC1_CHIP0_CFG
-	str	r1, [r0, #INDEX_DMC_CHIP_0_CFG]
-
-	ldr	r1, =DMC_DDR_32_CFG
-	str	r1, [r0, #INDEX_DMC_USER_CONFIG]
-
-	/* DMC0 DDR Chip 0 configuration direct command reg */
-	ldr	r1, =DMC_NOP0
-	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
-
-	/* Precharge All */
-	ldr	r1, =DMC_PA0
-	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
-
-	/* Auto Refresh 2 time */
-	ldr	r1, =DMC_AR0
-	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
-	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
-
-	/* MRS */
-	ldr	r1, =DMC_mDDR_EMR0
-	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
-
-	/* Mode Reg */
-	ldr	r1, =DMC_mDDR_MR0
-	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
-
-	/* Enable DMC1 */
-	mov	r1, #0x0
-	str	r1, [r0, #INDEX_DMC_MEMC_CMD]
-
-check_dmc1_ready:
-	ldr	r1, [r0, #INDEX_DMC_MEMC_STATUS]
-	mov	r2, #0x3
-	and	r1, r1, r2
-	cmp	r1, #0x1
-	bne	check_dmc1_ready
-	nop
-
-	mov	pc, lr
-
-	.ltorg
diff --git a/board/samsung/smdk6400/Makefile b/board/samsung/smdk6400/Makefile
index 0d3e63b..645c8e2 100644
--- a/board/samsung/smdk6400/Makefile
+++ b/board/samsung/smdk6400/Makefile
@@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)lib$(BOARD).o
 
 COBJS-y	:= smdk6400.o
-SOBJS	:= lowlevel_init.o
+SOBJS	:= lowlevel_init.o mem_init.o
 
 SRCS    := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS-y))
diff --git a/board/samsung/smdk6400/mem_init.S b/board/samsung/smdk6400/mem_init.S
new file mode 100644
index 0000000..df88cba
--- /dev/null
+++ b/board/samsung/smdk6400/mem_init.S
@@ -0,0 +1,135 @@
+/*
+ * Originates from Samsung's u-boot 1.1.6 port to S3C6400 / SMDK6400
+ *
+ * Copyright (C) 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg at 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 <config.h>
+#include <asm/arch/s3c6400.h>
+
+	.globl mem_ctrl_asm_init
+mem_ctrl_asm_init:
+	/* DMC1 base address 0x7e001000 */
+	ldr	r0, =ELFIN_DMC1_BASE
+
+	ldr	r1, =0x4
+	str	r1, [r0, #INDEX_DMC_MEMC_CMD]
+
+	ldr	r1, =DMC_DDR_REFRESH_PRD
+	str	r1, [r0, #INDEX_DMC_REFRESH_PRD]
+
+	ldr	r1, =DMC_DDR_CAS_LATENCY
+	str	r1, [r0, #INDEX_DMC_CAS_LATENCY]
+
+	ldr	r1, =DMC_DDR_t_DQSS
+	str	r1, [r0, #INDEX_DMC_T_DQSS]
+
+	ldr	r1, =DMC_DDR_t_MRD
+	str	r1, [r0, #INDEX_DMC_T_MRD]
+
+	ldr	r1, =DMC_DDR_t_RAS
+	str	r1, [r0, #INDEX_DMC_T_RAS]
+
+	ldr	r1, =DMC_DDR_t_RC
+	str	r1, [r0, #INDEX_DMC_T_RC]
+
+	ldr	r1, =DMC_DDR_t_RCD
+	ldr	r2, =DMC_DDR_schedule_RCD
+	orr	r1, r1, r2
+	str	r1, [r0, #INDEX_DMC_T_RCD]
+
+	ldr	r1, =DMC_DDR_t_RFC
+	ldr	r2, =DMC_DDR_schedule_RFC
+	orr	r1, r1, r2
+	str	r1, [r0, #INDEX_DMC_T_RFC]
+
+	ldr	r1, =DMC_DDR_t_RP
+	ldr	r2, =DMC_DDR_schedule_RP
+	orr	r1, r1, r2
+	str	r1, [r0, #INDEX_DMC_T_RP]
+
+	ldr	r1, =DMC_DDR_t_RRD
+	str	r1, [r0, #INDEX_DMC_T_RRD]
+
+	ldr	r1, =DMC_DDR_t_WR
+	str	r1, [r0, #INDEX_DMC_T_WR]
+
+	ldr	r1, =DMC_DDR_t_WTR
+	str	r1, [r0, #INDEX_DMC_T_WTR]
+
+	ldr	r1, =DMC_DDR_t_XP
+	str	r1, [r0, #INDEX_DMC_T_XP]
+
+	ldr	r1, =DMC_DDR_t_XSR
+	str	r1, [r0, #INDEX_DMC_T_XSR]
+
+	ldr	r1, =DMC_DDR_t_ESR
+	str	r1, [r0, #INDEX_DMC_T_ESR]
+
+	ldr	r1, =DMC1_MEM_CFG
+	str	r1, [r0, #INDEX_DMC_MEMORY_CFG]
+
+	ldr	r1, =DMC1_MEM_CFG2
+	str	r1, [r0, #INDEX_DMC_MEMORY_CFG2]
+
+	ldr	r1, =DMC1_CHIP0_CFG
+	str	r1, [r0, #INDEX_DMC_CHIP_0_CFG]
+
+	ldr	r1, =DMC_DDR_32_CFG
+	str	r1, [r0, #INDEX_DMC_USER_CONFIG]
+
+	/* DMC0 DDR Chip 0 configuration direct command reg */
+	ldr	r1, =DMC_NOP0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Precharge All */
+	ldr	r1, =DMC_PA0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Auto Refresh 2 time */
+	ldr	r1, =DMC_AR0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* MRS */
+	ldr	r1, =DMC_mDDR_EMR0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Mode Reg */
+	ldr	r1, =DMC_mDDR_MR0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Enable DMC1 */
+	mov	r1, #0x0
+	str	r1, [r0, #INDEX_DMC_MEMC_CMD]
+
+check_dmc1_ready:
+	ldr	r1, [r0, #INDEX_DMC_MEMC_STATUS]
+	mov	r2, #0x3
+	and	r1, r1, r2
+	cmp	r1, #0x1
+	bne	check_dmc1_ready
+	nop
+
+	mov	pc, lr
+
+	.ltorg
-- 
1.7.5.4

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