Preliminary support for the iDMR board (ColdFire).
diff --git a/board/idmr/Makefile b/board/idmr/Makefile
new file mode 100644
index 0000000..cf07cf4
--- /dev/null
+++ b/board/idmr/Makefile
@@ -0,0 +1,44 @@
+#
+# (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 = $(obj)lib$(BOARD).a
+
+COBJS = $(BOARD).o flash.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/idmr/config.mk b/board/idmr/config.mk
new file mode 100644
index 0000000..f7c2258
--- /dev/null
+++ b/board/idmr/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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
+#
+
+TEXT_BASE = 0xff800000
diff --git a/board/idmr/flash.c b/board/idmr/flash.c
new file mode 100644
index 0000000..ba9b009
--- /dev/null
+++ b/board/idmr/flash.c
@@ -0,0 +1,356 @@
+/*
+ * (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 <common.h>
+
+#define PHYS_FLASH_1 CFG_FLASH_BASE
+#define FLASH_BANK_SIZE 0x800000
+#define EN29LV640 0x227e227e
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case (AMD_MANUFACT & FLASH_VENDMASK):
+ printf ("AMD: ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case (EN29LV640 & FLASH_TYPEMASK):
+ printf ("EN29LV640 (16Mbit)\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ goto Done;
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; i++) {
+ if ((i % 5) == 0) {
+ printf ("\n ");
+ }
+ printf (" %08lX%s", info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+ printf ("\n");
+
+ Done:
+ return;
+}
+
+
+unsigned long flash_init (void)
+{
+ int i, j;
+ ulong size = 0;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ ulong flashbase = 0;
+
+ flash_info[i].flash_id =
+ (AMD_MANUFACT & FLASH_VENDMASK) |
+ (EN29LV640 & FLASH_TYPEMASK);
+ flash_info[i].size = FLASH_BANK_SIZE;
+ flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
+ memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
+ if (i == 0)
+ flashbase = PHYS_FLASH_1;
+ else
+ panic ("configured to many flash banks!\n");
+
+ for (j = 0; j < flash_info[i].sector_count; j++) {
+ flash_info[i].start[j] = flashbase + 0x10000 * j;
+ }
+ size += flash_info[i].size;
+ }
+
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + 0x30000, &flash_info[0]);
+
+ return size;
+}
+
+
+#define CMD_READ_ARRAY 0x00F0
+#define CMD_UNLOCK1 0x00AA
+#define CMD_UNLOCK2 0x0055
+#define CMD_ERASE_SETUP 0x0080
+#define CMD_ERASE_CONFIRM 0x0030
+#define CMD_PROGRAM 0x00A0
+#define CMD_UNLOCK_BYPASS 0x0020
+
+#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CFG_FLASH_BASE + (0x00000555<<1)))
+#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CFG_FLASH_BASE + (0x000002AA<<1)))
+
+#define BIT_ERASE_DONE 0x0080
+#define BIT_RDY_MASK 0x0080
+#define BIT_PROGRAM_ERROR 0x0020
+#define BIT_TIMEOUT 0x80000000 /* our flag */
+
+#define READY 1
+#define ERR 2
+#define TMO 4
+
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ ulong result;
+ int iflag, prot, sect;
+ int rc = ERR_OK;
+ int chip1;
+
+ /* first look for protection bits */
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ return ERR_UNKNOWN_FLASH_TYPE;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ return ERR_INVAL;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) !=
+ (AMD_MANUFACT & FLASH_VENDMASK)) {
+ return ERR_UNKNOWN_FLASH_VENDOR;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+ if (prot)
+ return ERR_PROTECTED;
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+ iflag = disable_interrupts ();
+
+ printf ("\n");
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
+ printf ("Erasing sector %2d ... ", sect);
+
+ /* arm simple, non interrupt dependent timer */
+ set_timer (0);
+
+ if (info->protect[sect] == 0) { /* not protected */
+ volatile u16 *addr =
+ (volatile u16 *) (info->start[sect]);
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ *addr = CMD_ERASE_CONFIRM;
+
+ /* wait until flash is ready */
+ chip1 = 0;
+
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer (0) > CFG_FLASH_ERASE_TOUT * CFG_HZ / 1000) {
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+ chip1 = TMO;
+ break;
+ }
+
+ if (!chip1
+ && (result & 0xFFFF) & BIT_ERASE_DONE)
+ chip1 = READY;
+
+ } while (!chip1);
+
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+ if (chip1 == ERR) {
+ rc = ERR_PROG_ERROR;
+ goto outahere;
+ }
+ if (chip1 == TMO) {
+ rc = ERR_TIMOUT;
+ goto outahere;
+ }
+
+ printf ("ok.\n");
+ } else { /* it was protected */
+
+ printf ("protected!\n");
+ }
+ }
+
+ if (ctrlc ())
+ printf ("User Interrupt!\n");
+
+ outahere:
+ /* allow flash to settle - wait 10 ms */
+ printf("Waiting 10 ms...");
+ udelay (10000);
+
+/* for (i = 0; i < 10 * 1000 * 1000; ++i)
+ asm(" nop");
+*/
+
+ printf("done\n");
+ if (iflag)
+ enable_interrupts ();
+
+
+ return rc;
+}
+
+static int write_word (flash_info_t * info, ulong dest, ulong data)
+{
+ volatile u16 *addr = (volatile u16 *) dest;
+ ulong result;
+ int rc = ERR_OK;
+ int iflag;
+ int chip1;
+
+ /*
+ * Check if Flash is (sufficiently) erased
+ */
+ result = *addr;
+ if ((result & data) != data)
+ return ERR_NOT_ERASED;
+
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+ iflag = disable_interrupts ();
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_PROGRAM;
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ set_timer (0);
+
+ /* wait until flash is ready */
+ chip1 = 0;
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer (0) > CFG_FLASH_ERASE_TOUT * CFG_HZ / 1000) {
+ chip1 = ERR | TMO;
+ break;
+ }
+ if (!chip1 && ((result & 0x80) == (data & 0x80)))
+ chip1 = READY;
+
+ } while (!chip1);
+
+ *addr = CMD_READ_ARRAY;
+
+ if (chip1 == ERR || *addr != data)
+ rc = ERR_PROG_ERROR;
+
+ if (iflag)
+ enable_interrupts ();
+
+ return rc;
+}
+
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ ulong wp, data;
+ int rc;
+
+ if (addr & 1) {
+ printf ("unaligned destination not supported\n");
+ return ERR_ALIGN;
+ }
+
+#if 0
+ if (cnt & 1) {
+ printf ("odd transfer sizes not supported\n");
+ return ERR_ALIGN;
+ }
+#endif
+
+ wp = addr;
+
+ if (addr & 1) {
+ data = (*((volatile u8 *) addr) << 8) | *((volatile u8 *)
+ src);
+ if ((rc = write_word (info, wp - 1, data)) != 0) {
+ return (rc);
+ }
+ src += 1;
+ wp += 1;
+ cnt -= 1;
+ }
+
+ while (cnt >= 2) {
+ data = *((volatile u16 *) src);
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 2;
+ wp += 2;
+ cnt -= 2;
+ }
+
+ if (cnt == 1) {
+ data = (*((volatile u8 *) src) << 8) |
+ *((volatile u8 *) (wp + 1));
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 1;
+ wp += 1;
+ cnt -= 1;
+ }
+
+ return ERR_OK;
+}
diff --git a/board/idmr/idmr.c b/board/idmr/idmr.c
new file mode 100644
index 0000000..58cdba1
--- /dev/null
+++ b/board/idmr/idmr.c
@@ -0,0 +1,169 @@
+/*
+ * (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 <common.h>
+#include <asm/m5271.h>
+#include <asm/immap_5271.h>
+
+int checkboard (void) {
+ puts ("Board: iDMR\n");
+ return 0;
+};
+
+long int initdram (int board_type) {
+ int i;
+
+ /*
+ * After reset, CS0 is configured to cover entire address space. We
+ * need to configure it to its proper values, so that writes to
+ * CFG_SDRAM_BASE and vicinity during SDRAM controller setup below do
+ * now fall under CS0 (see 16.3.1 of the MCF5271 Reference Manual).
+ */
+
+ /* Flash chipselect, CS0 */
+ /* ;CSAR0: Flash at 0xFF800000 */
+ mbar_writeShort(0x0080, 0xFF80);
+
+ /* CSCR0: Flash 6 waits, 16bit */
+ mbar_writeShort(0x008A, 0x1980);
+
+ /* CSMR0: Flash 8MB, R/W, valid */
+ mbar_writeLong(0x0084, 0x007F0001);
+
+
+ /*
+ * SDRAM configuration proper
+ */
+
+ /*
+ * Address/Data Pin Assignment Reg.: enable address lines 23-21; do
+ * not enable data pins D[15:0], as we have 16 bit port to SDRAM
+ */
+ mbar_writeByte(MCF_GPIO_PAR_AD,
+ MCF_GPIO_AD_ADDR23 |
+ MCF_GPIO_AD_ADDR22 |
+ MCF_GPIO_AD_ADDR21);
+
+ /* No need to configure BS pins - reset values are OK */
+
+ /* Chip Select Pin Assignment Reg.: set CS[1-7] to GPIO */
+ mbar_writeByte(MCF_GPIO_PAR_CS, 0x00);
+
+ /* SDRAM Control Pin Assignment Reg. */
+ mbar_writeByte(MCF_GPIO_PAR_SDRAM,
+ MCF_GPIO_SDRAM_CSSDCS_00 | /* no matter: PAR_CS=0 */
+ MCF_GPIO_SDRAM_SDWE |
+ MCF_GPIO_SDRAM_SCAS |
+ MCF_GPIO_SDRAM_SRAS |
+ MCF_GPIO_SDRAM_SCKE |
+ MCF_GPIO_SDRAM_SDCS_01);
+
+ /*
+ * Wait 100us. We run the bus at 50Mhz, one cycle is 20ns. So 5
+ * iterations will do, but we do 10 just to be safe.
+ */
+ for (i = 0; i < 10; ++i)
+ asm(" nop");
+
+
+ /* 1. Initialize DRAM Control Register: DCR */
+ mbar_writeShort(MCF_SDRAMC_DCR,
+ MCF_SDRAMC_DCR_RTIM(0x10) | /* 65ns */
+ MCF_SDRAMC_DCR_RC(0x60)); /* 1562 cycles */
+
+
+ /*
+ * 2. Initialize DACR0
+ *
+ * CL: 11 (CL=3: 0x03, 0x02; CL=2: 0x1)
+ * CBM: cmd at A20, bank select bits 21 and up
+ * PS: 16 bit
+ */
+ mbar_writeLong(MCF_SDRAMC_DACR0,
+ MCF_SDRAMC_DACRn_BA(CFG_SDRAM_BASE>>18) |
+ MCF_SDRAMC_DACRn_BA(0x00) |
+ MCF_SDRAMC_DACRn_CASL(0x03) |
+ MCF_SDRAMC_DACRn_CBM(0x03) |
+ MCF_SDRAMC_DACRn_PS(0x03));
+
+ /* Initialize DMR0 */
+ mbar_writeLong(MCF_SDRAMC_DMR0,
+ MCF_SDRAMC_DMRn_BAM_16M |
+ MCF_SDRAMC_DMRn_V);
+
+
+ /* 3. Set IP bit in DACR to initiate PALL command */
+ mbar_writeLong(MCF_SDRAMC_DACR0,
+ mbar_readLong(MCF_SDRAMC_DACR0) |
+ MCF_SDRAMC_DACRn_IP);
+
+ /* Write to this block to initiate precharge */
+ *(volatile u16 *)(CFG_SDRAM_BASE) = 0xa5a5;
+
+ /*
+ * Wait at least 20ns to allow banks to precharge (t_RP = 20ns). We
+ * wait a wee longer, just to be safe.
+ */
+ for (i = 0; i < 5; ++i)
+ asm(" nop");
+
+
+ /* 4. Set RE bit in DACR */
+ mbar_writeLong(MCF_SDRAMC_DACR0,
+ mbar_readLong(MCF_SDRAMC_DACR0) |
+ MCF_SDRAMC_DACRn_RE);
+
+ /*
+ * Wait for at least 8 auto refresh cycles to occur, i.e. at least
+ * 781 bus cycles.
+ */
+ for (i = 0; i < 1000; ++i)
+ asm(" nop");
+
+ /* Finish the configuration by issuing the MRS */
+ mbar_writeLong(MCF_SDRAMC_DACR0,
+ mbar_readLong(MCF_SDRAMC_DACR0) |
+ MCF_SDRAMC_DACRn_MRS);
+
+ /*
+ * Write to the SDRAM Mode Register A0-A11 = 0x400
+ *
+ * Write Burst Mode = Programmed Burst Length
+ * Op Mode = Standard Op
+ * CAS Latency = 3
+ * Burst Type = Sequential
+ * Burst Length = 1
+ */
+ *(volatile u32 *)(CFG_SDRAM_BASE + 0x1800) = 0xa5a5a5a5;
+
+ return CFG_SDRAM_SIZE * 1024 * 1024;
+};
+
+
+int testdram (void) {
+
+ /* TODO: XXX XXX XXX */
+ printf ("DRAM test not implemented!\n");
+
+ return (0);
+}
diff --git a/board/idmr/u-boot.lds b/board/idmr/u-boot.lds
new file mode 100644
index 0000000..69f3179
--- /dev/null
+++ b/board/idmr/u-boot.lds
@@ -0,0 +1,145 @@
+/*
+ * (C) Copyright 2000
+ * 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
+ */
+
+OUTPUT_ARCH(m68k)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+GROUP(libgcc.a)
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/mcf52x2/start.o (.text)
+ lib_m68k/traps.o (.text)
+ cpu/mcf52x2/interrupts.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/zlib.o (.text)
+
+ . = DEFINED(env_offset) ? env_offset : .;
+ common/environment.o (.ppcenv)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+
+ .reloc :
+ {
+ __got_start = .;
+ *(.got)
+ __got_end = .;
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ _sbss = .;
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = .;
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}