Signed-off-by: Philippe Reynes <trem...@yahoo.fr>
Signed-off-by: Eric Jarrige <eric.jarr...@armadeus.org>
create mode 100644 board/armadeus/apf27/start.S
create mode 100644 board/armadeus/apf27/u-boot-spl.lds
diff --git a/board/armadeus/apf27/Makefile b/board/armadeus/apf27/Makefile
index 1da9548..f57f405 100644
--- a/board/armadeus/apf27/Makefile
+++ b/board/armadeus/apf27/Makefile
@@ -27,11 +27,14 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
+ifndef CONFIG_SPL_BUILD
COBJS := apf27.o
+endif
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
+START := $(addprefix $(obj),$(START))
$(LIB): $(obj).depend $(OBJS) $(SOBJS)
$(call cmd_link_o_target, $(OBJS) $(SOBJS))
diff --git a/board/armadeus/apf27/start.S b/board/armadeus/apf27/start.S
new file mode 100644
index 0000000..374b4ea
--- /dev/null
+++ b/board/armadeus/apf27/start.S
@@ -0,0 +1,549 @@
+/*
+ * IMX27 NAND Flash SPL (Secondary Program Loader)
+ *
+ * Copyright (c) 2008 Armadeus Project / eja
+ *
+ * Based on Freescale NAND SPL
+ *
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+ * Copyright (c) 2008-2012 Eric Jarrige <eric.jarr...@armadeus.org>
+ *
+ * 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 <version.h>
+#include <asm/macro.h>
+#include <asm/arch/mxc_nand.h>
+#include <asm/arch/imx-regs.h>
+#include <generated/asm-offsets.h>
+#include "apf27.h"
+
+/*
+ * Standard NAND flash commands
+ */
+#define NAND_CMD_READ0 0
+#define NAND_CMD_READ1 1
+#define NAND_CMD_PAGEPROG 0x10
+#define NAND_CMD_READOOB 0x50
+#define NAND_CMD_ERASE1 0x60
+#define NAND_CMD_STATUS 0x70
+#define NAND_CMD_STATUS_MULTI 0x71
+#define NAND_CMD_SEQIN 0x80
+#define NAND_CMD_READID 0x90
+#define NAND_CMD_ERASE2 0xd0
+#define NAND_CMD_RESET 0xff
+
+/* Extended commands for large page devices */
+#define NAND_CMD_READSTART 0x30
+#define NAND_CMD_CACHEDPROG 0x15
+
+/* Status bits */
+#define NAND_STATUS_FAIL 0x01
+#define NAND_STATUS_FAIL_N1 0x02
+#define NAND_STATUS_TRUE_READY 0x20
+#define NAND_STATUS_READY 0x40
+#define NAND_STATUS_WP 0x80
+
+ .macro nand_boot
+
+#ifdef CONFIG_BOOT_TRACE_REG
+/*
+ * If CONFIG_BOOT_TRACE_REG is a SDRAM address then be sure to use the
following
+ * 2 command after SDRAM init
+ */
+
+/* Backup state of previous boot to CONFIG_BOOT_TRACE_REG+4*/
+#define BACKUP_TRACE() \
+ ldr r4, =CONFIG_BOOT_TRACE_REG; \
+ ldr r3, [r4]; \
+ str r3, [r4, #0x04];
+
+/* Save a state of boot at CONFIG_BOOT_TRACE_REG */
+#define BOOT_TRACE(val) \
+ ldr r4, =CONFIG_BOOT_TRACE_REG; \
+ ldr r3, =val; \
+ str r3, [r4];
+#else
+#define BACKUP_TRACE()
+#define BOOT_TRACE(val)
+#endif
+
+nand_boot_setup:
+
+ /* Copy SPL image from flash to SDRAM first */
+ BOOT_TRACE(1)
+ ldr r0, =IMX_NFC_MAIN_AREA0
+ add r2, r0, #(IMX_NFC_SPARE_AREA0-IMX_NFC_MAIN_AREA0) //2KB NFC Buff
+ ldr r1, =CONFIG_SYS_NAND_U_BOOT_DST
+
+ BOOT_TRACE(2)
+1: ldmia r0!, {r3-r10}
+ stmia r1!, {r3-r10}
+ cmp r0, r2
+ blo 1b
+
+
+
+ /* Jump to SDRAM */
+ BOOT_TRACE(3)
+ ldr r1, =0x7FF
+ and r0, pc, r1 /* offset of pc */
+ ldr r1, =CONFIG_SYS_NAND_U_BOOT_DST
+ add r1, r1, #0x10
+ add pc, r0, r1
+ nop
+ nop
+ nop
+ nop
+
+NAND_Copy_Main:
+ BOOT_TRACE(4)
+ /* r0: nfc base. Reloaded after each page copying */
+ ldr r0, =IMX_NFC_MAIN_AREA0
+
+ /* r1: starting flash addr to be copied. Updated constantly */
+ /* bypass the first preloaded pages */
+ ldr r1, =(IMX_NFC_SPARE_AREA0-IMX_NFC_MAIN_AREA0)
+
+ /* r2: end of 1st RAM buf. Doesn't change */
+ ldr r2, =IMX_NFC_MAIN_AREA1
+
+ /* r12: NFC register base. Doesn't change */
+ ldr r12, =IMX_NFC_REGS
+
+ ldr r11, =CONFIG_SYS_NAND_U_BOOT_DST
+
+ /* r13: end of SDRAM address for copying. Doesn't change */
+ add r13, r11, #CONFIG_SYS_NAND_U_BOOT_SIZE
+
+ /* r11: starting SDRAM address for copying. Updated constantly */
+ add r11, r11, r1
+
+ /* unlock internal buffer */
+ ldr r3, =NFC_CONFIG_UNLOCKED
+ strh r3, [r12, #NFC_OFFSET_CONFIG]
+
+ /* enable ECC and mask interrupts */
+ ldr r3, =(NFC_CONFIG1_ECC_EN | NFC_CONFIG1_INT_MSK)
+ strh r3, [r12, #NFC_OFFSET_CONFIG1]
+
+Nfc_Read_Page:
+ BOOT_TRACE(5)
+ /* send NAND_CMD_READ0 command */
+ ldr r3, =NAND_CMD_READ0;
+ strh r3, [r12, #NFC_OFFSET_FLASH_CMD]
+
+ ldr r3, =NFC_CONFIG2_FCMD
+ strh r3, [r12, #NFC_OFFSET_CONFIG2]
+ bl do_wait_op_done
+
+ /* send NAND address to read. TODO small page support */
+ BOOT_TRACE(6)
+ mov r3, r1, lsr #1
+ bl do_addr_input /* 1st addr cycle */
+
+ mov r3, r1, lsr #9
+ and r3, r3, #0x03
+ bl do_addr_input /* 2nd addr cycle */
+
+ mov r3, r1, lsr #11
+ bl do_addr_input /* 3rd addr cycle */
+
+ mov r3, r1, lsr #19
+ bl do_addr_input /* 4th addr cycle */
+
+ /* Small NAND flashs (== 1Gb) support 5 addr cycles */
+ mov r3, r1, lsr #27
+ bl do_addr_input /* 5th addr cycle */
+
+ /* send NAND_CMD_READSTART command. TODO small page support */
+ BOOT_TRACE(7)
+ mov r3, #NAND_CMD_READSTART;
+ strh r3, [r12, #NFC_OFFSET_FLASH_CMD]
+ mov r3, #NFC_CONFIG2_FCMD
+ strh r3, [r12, #NFC_OFFSET_CONFIG2]
+ bl do_wait_op_done
+
+ /* read and copy buf 0 */
+ BOOT_TRACE(8)
+ mov r3, #0
+ strh r3, [r12, #NFC_OFFSET_BUF_ADDR]
+
+ mov r3, #NFC_CONFIG2_FDO_PAGE
+ strh r3, [r12, #NFC_OFFSET_CONFIG2]
+ bl do_wait_op_done
+
+ bl Test_And_Copy_Buffer
+
+ /* read and copy buf 1 */
+ mov r3, #1
+ strh r3, [r12, #NFC_OFFSET_BUF_ADDR]
+
+ mov r3, #NFC_CONFIG2_FDO_PAGE
+ strh r3, [r12, #NFC_OFFSET_CONFIG2]
+ bl do_wait_op_done
+
+ bl Test_And_Copy_Buffer
+
+ /* here we should test if 512B page flash and bypass next buffers */
+ /* read and copy buf 2. TODO small page support */
+ mov r3, #2
+ strh r3, [r12, #NFC_OFFSET_BUF_ADDR]
+
+ mov r3, #NFC_CONFIG2_FDO_PAGE
+ strh r3, [r12, #NFC_OFFSET_CONFIG2]
+ bl do_wait_op_done
+
+ bl Test_And_Copy_Buffer
+
+ /* read and copy buf 3 */
+ mov r3, #3
+ strh r3, [r12, #NFC_OFFSET_BUF_ADDR]
+
+ mov r3, #NFC_CONFIG2_FDO_PAGE
+ strh r3, [r12, #NFC_OFFSET_CONFIG2]
+ bl do_wait_op_done
+
+ bl Test_And_Copy_Buffer
+
+ /* is the last page ? */
+ BOOT_TRACE(12)
+ cmp r11, r13
+ bge NAND_Copy_Main_done
+
+ /* r0: nfc base. Reloaded after each page copying */
+ ldr r0, =IMX_NFC_MAIN_AREA0
+ /* r2: end of 1st RAM buf. Doesn't change */
+ ldr r2, =IMX_NFC_MAIN_AREA1
+ b Nfc_Read_Page
+
+NAND_Copy_Main_done:
+ BOOT_TRACE(13)
+ .endm /* nand_boot */
+
+ .macro init_aipi
+ /*
+ * setup AIPI1 and AIPI2
+ */
+ write32 AIPI1_PSR0, ACFG_AIPI1_PSR0_VAL
+ write32 AIPI1_PSR1, ACFG_AIPI1_PSR1_VAL
+ write32 AIPI2_PSR0, ACFG_AIPI2_PSR0_VAL
+ write32 AIPI2_PSR1, ACFG_AIPI2_PSR1_VAL
+
+ /* Change SDRAM signal strengh */
+ ldr r0, =GPCR
+ ldr r1, =ACFG_GPCR_VAL
+ ldr r5, [r0]
+ orr r5, r5, r1
+ str r5, [r0]
+
+ .endm /* init_aipi */
+
+ .macro init_clock
+ ldr r0, =CSCR
+ /* disable MPLL/SPLL first */
+ ldr r1, [r0]
+ bic r1, r1, #(CSCR_MPEN|CSCR_SPEN)
+ str r1, [r0]
+
+ /*
+ * pll clock initialization predefined in apf27.h
+ */
+ write32 MPCTL0, ACFG_MPCTL0_VAL
+ write32 SPCTL0, ACFG_SPCTL0_VAL
+
+ write32 CSCR, ACFG_CSCR_VAL|CSCR_MPLL_RESTART|CSCR_SPLL_RESTART
+
+ /*
+ * add some delay here
+ */
+ mov r1, #0x1000
+ 1: subs r1, r1, #0x1
+ bne 1b
+
+ /* peripheral clock divider */
+ write32 PCDR0, ACFG_PCDR0_VAL
+ write32 PCDR1, ACFG_PCDR1_VAL
+
+ /* Configure PCCR0 and PCCR1 */
+ write32 PCCR0, ACFG_PCCR0_VAL
+ write32 PCCR1, ACFG_PCCR1_VAL
+
+ .endm /* init_clock */
+
+/*
+ *************************************************************************
+ *
+ * No jump vector table. Use reset vector as direct entry point.
+ * Do not support any interrupt event within SPL
+ *
+ *************************************************************************
+ */
+
+
+.globl _start
+_start:
+
+/*
+ *************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from memory!
+ * setup Memory and board specific bits prior to relocation.
+ * relocate armboot to ram
+ * setup stack
+ *
+ *************************************************************************
+ */
+
+
+/*
+ * 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
+
+ /*
+ * invalidate I/D cache/TLB and drain write buffer
+ */
+ mov r0, #0
+ mcr p15, 0, r0, c7, c7, 0 /* invalidate I cache and D cache */
+ mcr p15, 0, r0, c8, c7, 0 /* invalidate TLBs */
+ mcr p15, 0, r0, c7, c10, 4 /* Drain the write buffer */
+
+ /*
+ * disable MMU stuff and caches
+ */
+ mrc p15, 0, r0, c1, c0, 0
+ bic r0, r0, #0x00002300 /* clear bits 13, 9:8 (--V- --RS) */
+ bic r0, r0, #0x00000087 /* clear bits 7, 2:0 (B--- -CAM) */
+ orr r0, r0, #0x00000002 /* set bit 2 (A) Align */
+ orr r0, r0, #0x00001000 /* set bit 12 (I) I-Cache */
+ mcr p15, 0, r0, c1, c0, 0
+
+init_aipi_start:
+ init_aipi
+
+ /* check if sdram has been setup (running within sdram) */
+ cmp pc, #0xa0000000 /* start of first sdram memory space */
+ blo init_clock_start
+ cmp pc, #0xc0000000 /* end of second sdram memory space */
+ blo regular_boot
+
+ /* running from sdram with full code present -> regular_boot */
+init_clock_start:
+ init_clock
+
+init_sdram_start:
+ bl setup_sdram_ddr
+
+ /* save state of previous boot (SDRAM is configured)*/
+ BACKUP_TRACE()
+
+ /* nand_boot BOOT_TRACE(1..13) */
+
+ nand_boot
+
+ BOOT_TRACE(14) /* start regular U-Boot */
+
+regular_boot: /* jump to start of next 2kiB block (U-Boot) */
+ ldr r0, =0xfffff800
+ and r0, r0, pc
+ add pc, r0, #0x800
+
+do_wait_op_done:
+ 1:
+ ldrh r3, [r12, #NFC_OFFSET_CONFIG2]
+ ands r3, r3, #NFC_CONFIG2_INT
+ beq 1b
+ mov r3, #0x0
+ strh r3, [r12, #NFC_OFFSET_CONFIG2]
+ mov pc, lr
+
+do_addr_input:
+ mov r9, lr
+ and r3, r3, #0xFF
+ strh r3, [r12, #NFC_OFFSET_FLASH_ADDR]
+ mov r3, #NFC_CONFIG2_FADD
+ strh r3, [r12, #NFC_OFFSET_CONFIG2]
+ bl do_wait_op_done
+ mov pc, r9
+
+Test_And_Copy_Buffer:
+ /* check for bad block (2 bits error in main or spare are)*/
+ BOOT_TRACE(9)
+ ldrh r4, [r12, #NFC_OFFSET_ECC_STATUS_RESULT]
+ ands r4, r4, #(NFC_ECC_STAT_ERROR2| \
+ (NFC_ECC_STAT_ERROR2<<NFC_ECC_STAT_ERM_SHFT))
+ bne Skip_Bad_Buffer
+
+ /* check BI byte of the current spare buffer */
+ ldr r4, =IMX_NFC_SPARE_AREA0
+ ldrh r3, [r12, #NFC_OFFSET_BUF_ADDR] /* for the current buffer */
+ orr r4, r3, lsl #0x04
+
+ /* at bi word offset 4. */
+ /* Fixme position change betwwen 8 and 16 bits bus */
+ ldrh r4, [r4, #0x04]
+ and r4, r4, #0x0FF00 /* has to be 0xFFxx */
+ cmp r4, #0x0FF00
+ bne Skip_Bad_Buffer
+
+Copy_Good_Buffer:
+ /* copying 512 bytes buffer */
+ BOOT_TRACE(10)
+1: ldmia r0!, {r3-r10}
+ stmia r11!, {r3-r10}
+ cmp r0, r2
+ blo 1b
+ b End_Of_Copy
+
+Skip_Bad_Buffer:
+ BOOT_TRACE(11)
+ /* bad pages do not contain valid data and have to be skip */
+ add r0, r0, #0x200
+
+ /* rewind ram addr to start of buffer */
+ ldr r3, =(~0x1FF)
+ and r11, r11, r3
+
+End_Of_Copy:
+ add r2, r2, #0x200
+ add r1, r1, #0x200
+
+ mov pc, lr
+
+
+setup_sdram_ddr:
+
+ /* wait for SDRAM/LPDDR ready (SDRAMRDY) */
+ ldr r0, =IMX_ESD_BASE
+ ldr r4, =ESDMISC_SDRAM_RDY
+2: ldr r1, [r0, #ESDMISC_ROF]
+ ands r1, r1, r4
+ bpl 2b
+
+ /* LPDDR Soft Reset Mobile/Low Power DDR SDRAM. */
+ ldr r0, =IMX_ESD_BASE
+ ldr r4, =ACFG_ESDMISC_VAL
+ orr r1, r4, #ESDMISC_MDDR_DL_RST
+ str r1, [r0, #ESDMISC_ROF]
+
+ /* Hold for more than 200ns */
+ ldr r1, =0x10000
+ 1: subs r1, r1, #0x1
+ bne 1b
+
+ str r4, [r0]
+
+ /* write32(ESDCFG0, ACFG_SDRAM_ESDCFG_REGISTER_VAL) */
+ ldr r0, =IMX_ESD_BASE
+ ldr r1, =ACFG_SDRAM_ESDCFG_REGISTER_VAL
+ str r1, [r0, #ESDCFG0_ROF]
+
+ /* write32(ESDCTL0, ACFG_PRECHARGE_CMD) */
+ ldr r0, =IMX_ESD_BASE
+ ldr r1, =ACFG_PRECHARGE_CMD
+ str r1, [r0, #ESDCTL0_ROF]
+
+ /* write8(0xA0001000, any value) */
+ ldr r1, =PHYS_SDRAM_1+ACFG_SDRAM_PRECHARGE_ALL_VAL
+ strb r2, [r1]
+
+ /* write32(ESDCTL0, ACFG_AUTOREFRESH_CMD) */
+ ldr r1, =ACFG_AUTOREFRESH_CMD
+ str r1, [r0, #ESDCTL0_ROF]
+
+ ldr r4, =PHYS_SDRAM_1 /* CSD0 base address */
+
+ ldr r6,=0x7 /* load loop counter */
+1: str r5,[r4] /* run auto-refresh cycle to array 0 */
+ subs r6,r6,#1 /* decrease counter value */
+ bne 1b
+
+ /* write32(ACFG_PRECHARGE_CMD, ACFG_SET_MODE_REG_CMD) */
+ ldr r1, =ACFG_SET_MODE_REG_CMD
+ str r1, [r0, #ESDCTL0_ROF]
+
+ /* set standard mode register */
+ ldr r4, = PHYS_SDRAM_1+ACFG_SDRAM_MODE_REGISTER_VAL
+ strb r2, [r4]
+
+ /* set extended mode register */
+ ldr r4, =PHYS_SDRAM_1+ACFG_SDRAM_EXT_MODE_REGISTER_VAL
+ strb r5, [r4]
+
+ /* write32(ACFG_PRECHARGE_CMD, ACFG_NORMAL_RW_CMD) */
+ ldr r1, =ACFG_NORMAL_RW_CMD
+ str r1, [r0, #ESDCTL0_ROF]
+
+ /* 2nd sdram */
+ /* write32(ESDCFG1, ACFG_SDRAM_ESDCFG_REGISTER_VAL ) */
+ ldr r0, =IMX_ESD_BASE
+ ldr r1, =ACFG_SDRAM_ESDCFG_REGISTER_VAL
+ str r1, [r0, #ESDCFG1_ROF]
+
+ /* write32(ESDCTL1, ACFG_PRECHARGE_CMD) */
+ ldr r0, =IMX_ESD_BASE
+ ldr r1, =ACFG_PRECHARGE_CMD
+ str r1, [r0, #ESDCTL1_ROF]
+
+ /* write8(0xB0001000, any value) */
+ ldr r1, =PHYS_SDRAM_2+ACFG_SDRAM_PRECHARGE_ALL_VAL
+ strb r2, [r1]
+
+ /* write32(ESDCTL1, ACFG_AUTOREFRESH_CMD) */
+ ldr r1, =ACFG_AUTOREFRESH_CMD
+ str r1, [r0, #ESDCTL1_ROF]
+
+ ldr r4, =PHYS_SDRAM_2 /* CSD1 base address */
+
+ ldr r6,=0x7 /* load loop counter */
+1: str r5,[r4] /* run auto-refresh cycle to array 0 */
+ subs r6,r6,#1 /* decrease counter value */
+ bne 1b
+
+ /* write32(ESDCTL1, ACFG_SET_MODE_REG_CMD) */
+ ldr r1, =ACFG_SET_MODE_REG_CMD
+ str r1, [r0, #ESDCTL1_ROF]
+
+ /* set standard mode register */
+ ldr r4, =PHYS_SDRAM_2+ACFG_SDRAM_MODE_REGISTER_VAL
+ strb r2, [r4]
+
+ /* set extended mode register */
+ ldr r4, =PHYS_SDRAM_2+ACFG_SDRAM_EXT_MODE_REGISTER_VAL
+ strb r2, [r4]
+
+ /* write32(ESDCTL1, ACFG_NORMAL_RW_CMD) */
+ ldr r1, =ACFG_NORMAL_RW_CMD
+ str r1, [r0, #ESDCTL1_ROF]
+
+ mov pc, lr
+
diff --git a/board/armadeus/apf27/u-boot-spl.lds
b/board/armadeus/apf27/u-boot-spl.lds
new file mode 100644
index 0000000..fdd52f2
--- /dev/null
+++ b/board/armadeus/apf27/u-boot-spl.lds
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2011 Marek Vasut <marek.va...@gmail.com>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * January 2004 - Changed to support H4 device
+ * Copyright (c) 2004-2008 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <ga...@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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0xA0fff800;
+
+ . = ALIGN(4);
+ .text :
+ {
+ board/armadeus/apf27/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+ . = ALIGN(4);
+ .data : {
+ *(.data)
+ }
+
+ . = ALIGN(4);
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+
+ .rel.dyn : {
+ __rel_dyn_start = .;
+ *(.rel*)
+ __rel_dyn_end = .;
+ }
+
+ .dynsym : {
+ __dynsym_start = .;
+ *(.dynsym)
+ }
+
+ .bss : {
+ . = ALIGN(4);
+ __bss_start = .;
+ *(.bss*)
+ . = ALIGN(4);
+ __bss_end__ = .;
+ }
+
+ _end = .;
+
+ /DISCARD/ : { *(.dynstr*) }
+ /DISCARD/ : { *(.dynsym*) }
+ /DISCARD/ : { *(.dynamic*) }
+ /DISCARD/ : { *(.hash*) }
+ /DISCARD/ : { *(.plt*) }
+ /DISCARD/ : { *(.interp*) }
+ /DISCARD/ : { *(.gnu*) }
+}
--
1.7.4.4
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