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APC405 board support added

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This commit is contained in:
stroese 2004-12-16 18:20:14 +00:00
parent aee2fa27d9
commit 1bc0f14143
7 changed files with 3863 additions and 0 deletions
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46
board/esd/apc405/Makefile Normal file
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#
# (C) Copyright 2000, 2001
# 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 $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS = $(BOARD).o strataflash.o ../common/misc.o
$(LIB): $(OBJS) $(SOBJS)
$(AR) crv $@ $^
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
sinclude .depend
#########################################################################

315
board/esd/apc405/apc405.c Normal file
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/*
* (C) Copyright 2001-2003
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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/processor.h>
#include <command.h>
#include <malloc.h>
/* ------------------------------------------------------------------------- */
#if 0
#define FPGA_DEBUG
#endif
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
extern void lxt971_no_sleep(void);
/* fpga configuration data - gzip compressed and generated by bin2c */
const unsigned char fpgadata[] =
{
#include "fpgadata.c"
};
/*
* include common fpga code (for esd boards)
*/
#include "../common/fpga.c"
/* Prototypes */
int gunzip(void *, int, unsigned char *, unsigned long *);
#ifdef CONFIG_LCD_USED
/* logo bitmap data - gzip compressed and generated by bin2c */
unsigned char logo_bmp[] =
{
#include CFG_LCD_LOGO_NAME
};
/*
* include common lcd code (for esd boards)
*/
#include "../common/lcd.c"
#include "../common/"CFG_LCD_HEADER_NAME
#endif /* CONFIG_LCD_USED */
int board_early_init_f (void)
{
/*
* First pull fpga-prg pin low, to disable fpga logic (on version 2 board)
*/
out32(GPIO0_ODR, 0x00000000); /* no open drain pins */
out32(GPIO0_TCR, CFG_FPGA_PRG); /* setup for output */
out32(GPIO0_OR, CFG_FPGA_PRG); /* set output pins to high */
out32(GPIO0_OR, 0); /* pull prg low */
/*
* IRQ 0-15 405GP internally generated; active high; level sensitive
* IRQ 16 405GP internally generated; active low; level sensitive
* IRQ 17-24 RESERVED
* IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
* IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
* IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
* IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
* IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
* IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
* IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
*/
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
mtdcr(uicer, 0x00000000); /* disable all ints */
mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/
mtdcr(uicpr, 0xFFFFFF81); /* set int polarities */
mtdcr(uictr, 0x10000000); /* set int trigger levels */
mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
/*
* EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
*/
#if 1 /* test-only */
mtebc (epcr, 0xa8400000); /* ebc always driven */
#else
mtebc (epcr, 0x28400000); /* ebc in high-z */
#endif
return 0;
}
/* ------------------------------------------------------------------------- */
int misc_init_f (void)
{
return 0; /* dummy implementation */
}
int misc_init_r (void)
{
volatile unsigned short *fpga_mode =
(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
volatile unsigned char *duart0_mcr =
(unsigned char *)((ulong)DUART0_BA + 4);
volatile unsigned char *duart1_mcr =
(unsigned char *)((ulong)DUART1_BA + 4);
volatile unsigned short *fuji_lcdbl_pwm =
(unsigned short *)((ulong)0xf0100200 + 0xa0);
unsigned char *dst;
ulong len = sizeof(fpgadata);
int status;
int index;
int i;
unsigned long cntrl0Reg;
/*
* Setup GPIO pins (CS6+CS7 as GPIO)
*/
cntrl0Reg = mfdcr(cntrl0);
mtdcr(cntrl0, cntrl0Reg | 0x00300000);
dst = malloc(CFG_FPGA_MAX_SIZE);
if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
printf ("GUNZIP ERROR - must RESET board to recover\n");
do_reset (NULL, 0, 0, NULL);
}
status = fpga_boot(dst, len);
if (status != 0) {
printf("\nFPGA: Booting failed ");
switch (status) {
case ERROR_FPGA_PRG_INIT_LOW:
printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
break;
case ERROR_FPGA_PRG_INIT_HIGH:
printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
break;
case ERROR_FPGA_PRG_DONE:
printf("(Timeout: DONE not high after programming FPGA)\n ");
break;
}
/* display infos on fpgaimage */
index = 15;
for (i=0; i<4; i++) {
len = dst[index];
printf("FPGA: %s\n", &(dst[index+1]));
index += len+3;
}
putc ('\n');
/* delayed reboot */
for (i=20; i>0; i--) {
printf("Rebooting in %2d seconds \r",i);
for (index=0;index<1000;index++)
udelay(1000);
}
putc ('\n');
do_reset(NULL, 0, 0, NULL);
}
/* restore gpio/cs settings */
mtdcr(cntrl0, cntrl0Reg);
puts("FPGA: ");
/* display infos on fpgaimage */
index = 15;
for (i=0; i<4; i++) {
len = dst[index];
printf("%s ", &(dst[index+1]));
index += len+3;
}
putc ('\n');
free(dst);
/*
* Reset FPGA via FPGA_DATA pin
*/
SET_FPGA(FPGA_PRG | FPGA_CLK);
udelay(1000); /* wait 1ms */
SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
udelay(1000); /* wait 1ms */
/*
* Enable power on PS/2 interface (with reset)
*/
*fpga_mode |= CFG_FPGA_CTRL_PS2_RESET;
for (i=0;i<100;i++)
udelay(1000);
udelay(1000);
*fpga_mode &= ~CFG_FPGA_CTRL_PS2_RESET;
/*
* Enable interrupts in exar duart mcr[3]
*/
*duart0_mcr = 0x08;
*duart1_mcr = 0x08;
/*
* Init lcd interface and display logo
*/
lcd_init((uchar *)CFG_LCD_BIG_REG, (uchar *)CFG_LCD_BIG_MEM,
regs_13806_640_480_16bpp,
sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]),
logo_bmp, sizeof(logo_bmp));
/*
* Enable microcontroller and setup backlight PWM controller
*/
*fpga_mode |= 0x001c;
*fuji_lcdbl_pwm = 0x00ff;
return (0);
}
/*
* Check Board Identity:
*/
int checkboard (void)
{
unsigned char str[64];
int i = getenv_r ("serial#", str, sizeof(str));
puts ("Board: ");
if (i == -1) {
puts ("### No HW ID - assuming APC405");
} else {
puts(str);
}
putc ('\n');
/*
* Disable sleep mode in LXT971
*/
lxt971_no_sleep();
return 0;
}
/* ------------------------------------------------------------------------- */
long int initdram (int board_type)
{
unsigned long val;
mtdcr(memcfga, mem_mb0cf);
val = mfdcr(memcfgd);
#if 0
printf("\nmb0cf=%x\n", val); /* test-only */
printf("strap=%x\n", mfdcr(strap)); /* test-only */
#endif
return (4*1024*1024 << ((val & 0x000e0000) >> 17));
}
/* ------------------------------------------------------------------------- */
int testdram (void)
{
/* TODO: XXX XXX XXX */
printf ("test: 16 MB - ok\n");
return (0);
}
/* ------------------------------------------------------------------------- */
#ifdef CONFIG_IDE_RESET
void ide_set_reset(int on)
{
volatile unsigned short *fpga_mode =
(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
/*
* Assert or deassert CompactFlash Reset Pin
*/
if (on) { /* assert RESET */
*fpga_mode &= ~(CFG_FPGA_CTRL_CF_RESET);
} else { /* release RESET */
*fpga_mode |= CFG_FPGA_CTRL_CF_RESET;
}
}
#endif /* CONFIG_IDE_RESET */
/* ------------------------------------------------------------------------- */

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board/esd/apc405/config.mk Normal file
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#
# (C) Copyright 2000, 2001
# 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
#
#
# esd ABG405 boards
#
TEXT_BASE = 0xFFF80000

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board/esd/apc405/fpgadata.c Normal file
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board/esd/apc405/logo_640_480_24bpp.c Normal file
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0x3d,0x9c,0xaf,0xb5,0x38,0xc2,0x57,0x0f,0x8f,0x3a,0x36,0x18,0x70,0xc1,0xbe,0x9b,
0x96,0x27,0xef,0xcc,0x1b,0x13,0x86,0x44,0x2d,0xd2,0xd8,0x1d,0xb1,0x4b,0x27,0x45,
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0xa7,0xd3,0x6a,0x65,0x4e,0x92,0xe1,0x07,0x95,0x17,0xb5,0x48,0x63,0x77,0x04,0x2e,
0x9d,0x9a,0xb3,0x2c,0xea,0x42,0x30,0xe0,0x87,0x9d,0x17,0x75,0x5a,0xad,0xcc,0x49,
0xd2,0x78,0x44,0x9b,0x3d,0xd8,0xb5,0xee,0xc9,0x94,0x7d,0xf5,0x11,0xb8,0x74,0x52,
0xc2,0xca,0xb4,0x3b,0xd9,0x80,0x8d,0x77,0x75,0x5a,0xad,0x74,0x95,0xdd,0xc0,0x2f,
0xf5,0xc7,0x90,0xb1,0xee,0xc9,0x94,0x7d,0x0d,0x12,0xb8,0x74,0x52,0xc2,0x9a,0xc0,
0x9b,0xa9,0x80,0xff,0x58,0x7b,0x5a,0xa7,0xd5,0x4a,0x7b,0xeb,0xcd,0xf9,0x52,0x7f,
0x09,0x19,0xeb,0x9e,0x4c,0xd9,0xd7,0x23,0x81,0x4b,0x87,0x67,0x2b,0x8b,0x1d,0x18,
0x0c,0x58,0x7a,0x5d,0xa7,0xd5,0x4a,0x7b,0xeb,0xcd,0xf9,0x52,0x7f,0x06,0x19,0xeb,
0x9e,0x4c,0xd9,0xd7,0x23,0x51,0x4b,0x87,0x07,0xab,0x49,0x9e,0x11,0x0c,0x58,0x7a,
0x5d,0xa7,0x35,0x4b,0x7b,0xf1,0x4d,0xf8,0x52,0x7f,0x03,0x49,0xeb,0x52,0x4a,0xe7,
0xc2,0x3c,0x67,0x1f,0xd8,0x69,0xe5,0xd2,0xde,0x7d,0x13,0xbe,0xa4,0xdb,0xcf,0x5b,
0x97,0x1e,0x9a,0x17,0xe6,0x39,0xfe,0xc0,0x4e,0x2b,0x97,0xf6,0xee,0x6b,0xff,0x32,
0xee,0xbd,0x60,0x69,0x00,0xfe,0xeb,0xc8,0x03,0x3b,0xad,0x5f,0xda,0xeb,0xaf,0xfd,
0x0b,0xbc,0xee,0xb2,0xa5,0x01,0xf8,0xc9,0x91,0x37,0x76,0x5a,0xc5,0xb4,0x37,0x60,
0xe3,0x17,0x7b,0xd7,0x95,0xab,0x03,0xf0,0xd1,0xd7,0x6f,0xec,0xb4,0x96,0x69,0x2f,
0xc1,0xae,0x2f,0xf0,0x96,0x5b,0x02,0x00,0xf0,0xd1,0x17,0x6f,0xec,0xb4,0xa2,0x69,
0xef,0xc1,0x96,0x2f,0xea,0x7e,0xbb,0x02,0x00,0xf0,0xca,0xab,0x67,0x76,0x5a,0xd7,
0xb4,0x57,0xe1,0xb4,0x03,0x39,0x78,0xb3,0x8d,0x01,0x00,0x58,0x30,0xb0,0x6e,0xda,
0x0b,0x71,0xd4,0x69,0x14,0x1c,0x17,0x00,0x2d,0xa6,0x95,0x4e,0x7b,0x27,0x4e,0x38,
0x84,0xca,0xbb,0x03,0xa0,0xc5,0xb4,0xea,0x69,0x6f,0xc6,0xc6,0xbd,0xb7,0xdc,0x1d,
0x00,0x2d,0xa6,0x75,0x50,0x7b,0x45,0xb6,0xec,0xba,0xeb,0xe2,0x00,0xe8,0x32,0xad,
0x89,0xda,0x8b,0xf2,0x12,0x8d,0x76,0xad,0xb4,0x00,0x7c,0x74,0xd7,0x86,0xba,0x31,
0x17,0x01,0x00,0xc5,0x94,0x2f,0x00,0x14,0x53,0xbe,0x00,0x50,0xcc,0xff,0x05,0x00,
0x00,0xc5,0x94,0x2f,0xc0,0xa3,0x78,0xcc,0x27,0x08,0x2c,0x5f,0x57,0x06,0x70,0x15,
0xde,0xf3,0x5e,0xca,0x17,0xe0,0xc9,0x3c,0xec,0x2d,0x94,0x2f,0x00,0xff,0xe2,0x79,
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0xe0,0x87,0x53,0xbe,0x00,0x1c,0xe4,0xf1,0x0f,0xa1,0x79,0x01,0x58,0xa0,0x0b,0x96,
0x85,0x37,0xaf,0x33,0x07,0x78,0x1a,0x8d,0x70,0x8a,0xda,0x05,0x20,0x8a,0x82,0x38,
0xc2,0xdf,0x79,0x01,0x48,0xa5,0x32,0x7e,0xa2,0x79,0x01,0x28,0xa3,0x3b,0xde,0xd2,
0x9a,0xf7,0x39,0x07,0x08,0xc0,0xb2,0xa7,0xb5,0x49,0x5e,0xe7,0xde,0xef,0xac,0x00,
0x28,0x70,0xfb,0x5a,0xd1,0xbc,0x00,0x8c,0x75,0xcb,0xc6,0x51,0xbb,0x00,0x5c,0xc5,
0x0d,0x3a,0xc8,0x5f,0x78,0x01,0xb8,0x81,0xc9,0xdd,0x94,0x5d,0xb5,0x3a,0x17,0x80,
0x76,0xed,0xcd,0x55,0xd6,0xb6,0x6a,0x17,0x80,0xb1,0xea,0xdb,0x50,0xf3,0x02,0xc0,
0x47,0xed,0xa5,0xa9,0x73,0x01,0x78,0xb2,0xf6,0x26,0x55,0xb5,0x00,0xd0,0xde,0xb6,
0x3a,0x17,0x00,0x3e,0xa5,0x5e,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xea,0xfc,0x03,0x26,
0x84,0x0a,0xd6,0x36,0x10,0x0e,0x00,

796
board/esd/apc405/strataflash.c Normal file
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@ -0,0 +1,796 @@
/*
* (C) Copyright 2002
* Brad Kemp, Seranoa Networks, Brad.Kemp@seranoa.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/processor.h>
#undef DEBUG_FLASH
/*
* This file implements a Common Flash Interface (CFI) driver for ppcboot.
* The width of the port and the width of the chips are determined at initialization.
* These widths are used to calculate the address for access CFI data structures.
* It has been tested on an Intel Strataflash implementation.
*
* References
* JEDEC Standard JESD68 - Common Flash Interface (CFI)
* JEDEC Standard JEP137-A Common Flash Interface (CFI) ID Codes
* Intel Application Note 646 Common Flash Interface (CFI) and Command Sets
* Intel 290667-008 3 Volt Intel StrataFlash Memory datasheet
*
* TODO
* Use Primary Extended Query table (PRI) and Alternate Algorithm Query Table (ALT) to determine if protection is available
* Add support for other command sets Use the PRI and ALT to determine command set
* Verify erase and program timeouts.
*/
#define FLASH_CMD_CFI 0x98
#define FLASH_CMD_READ_ID 0x90
#define FLASH_CMD_RESET 0xff
#define FLASH_CMD_BLOCK_ERASE 0x20
#define FLASH_CMD_ERASE_CONFIRM 0xD0
#define FLASH_CMD_WRITE 0x40
#define FLASH_CMD_PROTECT 0x60
#define FLASH_CMD_PROTECT_SET 0x01
#define FLASH_CMD_PROTECT_CLEAR 0xD0
#define FLASH_CMD_CLEAR_STATUS 0x50
#define FLASH_CMD_WRITE_TO_BUFFER 0xE8
#define FLASH_CMD_WRITE_BUFFER_CONFIRM 0xD0
#define FLASH_STATUS_DONE 0x80
#define FLASH_STATUS_ESS 0x40
#define FLASH_STATUS_ECLBS 0x20
#define FLASH_STATUS_PSLBS 0x10
#define FLASH_STATUS_VPENS 0x08
#define FLASH_STATUS_PSS 0x04
#define FLASH_STATUS_DPS 0x02
#define FLASH_STATUS_R 0x01
#define FLASH_STATUS_PROTECT 0x01
#define FLASH_OFFSET_CFI 0x55
#define FLASH_OFFSET_CFI_RESP 0x10
#define FLASH_OFFSET_WTOUT 0x1F
#define FLASH_OFFSET_WBTOUT 0x20
#define FLASH_OFFSET_ETOUT 0x21
#define FLASH_OFFSET_CETOUT 0x22
#define FLASH_OFFSET_WMAX_TOUT 0x23
#define FLASH_OFFSET_WBMAX_TOUT 0x24
#define FLASH_OFFSET_EMAX_TOUT 0x25
#define FLASH_OFFSET_CEMAX_TOUT 0x26
#define FLASH_OFFSET_SIZE 0x27
#define FLASH_OFFSET_INTERFACE 0x28
#define FLASH_OFFSET_BUFFER_SIZE 0x2A
#define FLASH_OFFSET_NUM_ERASE_REGIONS 0x2C
#define FLASH_OFFSET_ERASE_REGIONS 0x2D
#define FLASH_OFFSET_PROTECT 0x02
#define FLASH_OFFSET_USER_PROTECTION 0x85
#define FLASH_OFFSET_INTEL_PROTECTION 0x81
#define FLASH_MAN_CFI 0x01000000
typedef union {
unsigned char c;
unsigned short w;
unsigned long l;
} cfiword_t;
typedef union {
unsigned char * cp;
unsigned short *wp;
unsigned long *lp;
} cfiptr_t;
#define NUM_ERASE_REGIONS 4
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
/*-----------------------------------------------------------------------
* Functions
*/
static void flash_add_byte(flash_info_t *info, cfiword_t * cword, uchar c);
static void flash_make_cmd(flash_info_t * info, uchar cmd, void * cmdbuf);
static void flash_write_cmd(flash_info_t * info, int sect, uchar offset, uchar cmd);
static int flash_isequal(flash_info_t * info, int sect, uchar offset, uchar cmd);
static int flash_isset(flash_info_t * info, int sect, uchar offset, uchar cmd);
static int flash_detect_cfi(flash_info_t * info);
static ulong flash_get_size (ulong base, int banknum);
static int flash_write_cfiword (flash_info_t *info, ulong dest, cfiword_t cword);
static int flash_full_status_check(flash_info_t * info, ulong sector, ulong tout, char * prompt);
#ifdef CFG_FLASH_USE_BUFFER_WRITE
static int flash_write_cfibuffer(flash_info_t * info, ulong dest, uchar * cp, int len);
#endif
/*-----------------------------------------------------------------------
* create an address based on the offset and the port width
*/
inline uchar * flash_make_addr(flash_info_t * info, int sect, int offset)
{
return ((uchar *)(info->start[sect] + (offset * info->portwidth)));
}
/*-----------------------------------------------------------------------
* read a character at a port width address
*/
inline uchar flash_read_uchar(flash_info_t * info, uchar offset)
{
uchar *cp;
cp = flash_make_addr(info, 0, offset);
return (cp[info->portwidth - 1]);
}
/*-----------------------------------------------------------------------
* read a short word by swapping for ppc format.
*/
ushort flash_read_ushort(flash_info_t * info, int sect, uchar offset)
{
uchar * addr;
addr = flash_make_addr(info, sect, offset);
return ((addr[(2*info->portwidth) - 1] << 8) | addr[info->portwidth - 1]);
}
/*-----------------------------------------------------------------------
* read a long word by picking the least significant byte of each maiximum
* port size word. Swap for ppc format.
*/
ulong flash_read_long(flash_info_t * info, int sect, uchar offset)
{
uchar * addr;
addr = flash_make_addr(info, sect, offset);
return ( (addr[(2*info->portwidth) - 1] << 24 ) | (addr[(info->portwidth) -1] << 16) |
(addr[(4*info->portwidth) - 1] << 8) | addr[(3*info->portwidth) - 1]);
}
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
unsigned long size;
int i;
unsigned long address;
/* The flash is positioned back to back, with the demultiplexing of the chip
* based on the A24 address line.
*
*/
address = CFG_FLASH_BASE;
size = 0;
/* Init: no FLASHes known */
for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
size += flash_info[i].size = flash_get_size(address, i);
address += CFG_FLASH_INCREMENT;
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",i,
flash_info[0].size, flash_info[i].size<<20);
}
}
#if 0 /* test-only */
/* Monitor protection ON by default */
#if (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
for(i=0; flash_info[0].start[i] < CFG_MONITOR_BASE+CFG_MONITOR_LEN-1; i++)
(void)flash_real_protect(&flash_info[0], i, 1);
#endif
#else
/* monitor protection ON by default */
flash_protect (FLAG_PROTECT_SET,
- CFG_MONITOR_LEN,
- 1, &flash_info[1]);
#endif
return (size);
}
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
int rcode = 0;
int prot;
int sect;
if( info->flash_id != FLASH_MAN_CFI) {
printf ("Can't erase unknown flash type - aborted\n");
return 1;
}
if ((s_first < 0) || (s_first > s_last)) {
printf ("- no sectors to erase\n");
return 1;
}
prot = 0;
for (sect=s_first; sect<=s_last; ++sect) {
if (info->protect[sect]) {
prot++;
}
}
if (prot) {
printf ("- Warning: %d protected sectors will not be erased!\n",
prot);
} else {
printf ("\n");
}
for (sect = s_first; sect<=s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
flash_write_cmd(info, sect, 0, FLASH_CMD_CLEAR_STATUS);
flash_write_cmd(info, sect, 0, FLASH_CMD_BLOCK_ERASE);
flash_write_cmd(info, sect, 0, FLASH_CMD_ERASE_CONFIRM);
if(flash_full_status_check(info, sect, info->erase_blk_tout, "erase")) {
rcode = 1;
} else
printf(".");
}
}
printf (" done\n");
return rcode;
}
/*-----------------------------------------------------------------------
*/
void flash_print_info (flash_info_t *info)
{
int i;
if (info->flash_id != FLASH_MAN_CFI) {
printf ("missing or unknown FLASH type\n");
return;
}
printf("CFI conformant FLASH (%d x %d)",
(info->portwidth << 3 ), (info->chipwidth << 3 ));
printf (" Size: %ld MB in %d Sectors\n",
info->size >> 20, info->sector_count);
printf(" Erase timeout %ld ms, write timeout %ld ms, buffer write timeout %ld ms, buffer size %d\n",
info->erase_blk_tout, info->write_tout, info->buffer_write_tout, info->buffer_size);
printf (" Sector Start Addresses:");
for (i=0; i<info->sector_count; ++i) {
#ifdef CFG_FLASH_EMPTY_INFO
int k;
int size;
int erased;
volatile unsigned long *flash;
/*
* Check if whole sector is erased
*/
if (i != (info->sector_count-1))
size = info->start[i+1] - info->start[i];
else
size = info->start[0] + info->size - info->start[i];
erased = 1;
flash = (volatile unsigned long *)info->start[i];
size = size >> 2; /* divide by 4 for longword access */
for (k=0; k<size; k++)
{
if (*flash++ != 0xffffffff)
{
erased = 0;
break;
}
}
if ((i % 5) == 0)
printf ("\n ");
/* print empty and read-only info */
printf (" %08lX%s%s",
info->start[i],
erased ? " E" : " ",
info->protect[i] ? "RO " : " ");
#else
if ((i % 5) == 0)
printf ("\n ");
printf (" %08lX%s",
info->start[i],
info->protect[i] ? " (RO)" : " ");
#endif
}
printf ("\n");
return;
}
/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
{
ulong wp;
ulong cp;
int aln;
cfiword_t cword;
int i, rc;
/* get lower aligned address */
wp = (addr & ~(info->portwidth - 1));
/* handle unaligned start */
if((aln = addr - wp) != 0) {
cword.l = 0;
cp = wp;
for(i=0;i<aln; ++i, ++cp)
flash_add_byte(info, &cword, (*(uchar *)cp));
for(; (i< info->portwidth) && (cnt > 0) ; i++) {
flash_add_byte(info, &cword, *src++);
cnt--;
cp++;
}
for(; (cnt == 0) && (i < info->portwidth); ++i, ++cp)
flash_add_byte(info, &cword, (*(uchar *)cp));
if((rc = flash_write_cfiword(info, wp, cword)) != 0)
return rc;
wp = cp;
}
#ifdef CFG_FLASH_USE_BUFFER_WRITE
while(cnt >= info->portwidth) {
i = info->buffer_size > cnt? cnt: info->buffer_size;
if((rc = flash_write_cfibuffer(info, wp, src,i)) != ERR_OK)
return rc;
wp += i;
src += i;
cnt -=i;
}
#else
/* handle the aligned part */
while(cnt >= info->portwidth) {
cword.l = 0;
for(i = 0; i < info->portwidth; i++) {
flash_add_byte(info, &cword, *src++);
}
if((rc = flash_write_cfiword(info, wp, cword)) != 0)
return rc;
wp += info->portwidth;
cnt -= info->portwidth;
}
#endif /* CFG_FLASH_USE_BUFFER_WRITE */
if (cnt == 0) {
return (0);
}
/*
* handle unaligned tail bytes
*/
cword.l = 0;
for (i=0, cp=wp; (i<info->portwidth) && (cnt>0); ++i, ++cp) {
flash_add_byte(info, &cword, *src++);
--cnt;
}
for (; i<info->portwidth; ++i, ++cp) {
flash_add_byte(info, & cword, (*(uchar *)cp));
}
return flash_write_cfiword(info, wp, cword);
}
/*-----------------------------------------------------------------------
*/
int flash_real_protect(flash_info_t *info, long sector, int prot)
{
int retcode = 0;
flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS);
flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT);
if(prot)
flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_SET);
else
flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_CLEAR);
if((retcode = flash_full_status_check(info, sector, info->erase_blk_tout,
prot?"protect":"unprotect")) == 0) {
info->protect[sector] = prot;
/* Intel's unprotect unprotects all locking */
if(prot == 0) {
int i;
for(i = 0 ; i<info->sector_count; i++) {
if(info->protect[i])
flash_real_protect(info, i, 1);
}
}
}
return retcode;
}
/*-----------------------------------------------------------------------
* wait for XSR.7 to be set. Time out with an error if it does not.
* This routine does not set the flash to read-array mode.
*/
static int flash_status_check(flash_info_t * info, ulong sector, ulong tout, char * prompt)
{
ulong start;
/* Wait for command completion */
start = get_timer (0);
while(!flash_isset(info, sector, 0, FLASH_STATUS_DONE)) {
if (get_timer(start) > info->erase_blk_tout) {
printf("Flash %s timeout at address %lx\n", prompt, info->start[sector]);
flash_write_cmd(info, sector, 0, FLASH_CMD_RESET);
return ERR_TIMOUT;
}
}
return ERR_OK;
}
/*-----------------------------------------------------------------------
* Wait for XSR.7 to be set, if it times out print an error, otherwise do a full status check.
* This routine sets the flash to read-array mode.
*/
static int flash_full_status_check(flash_info_t * info, ulong sector, ulong tout, char * prompt)
{
int retcode;
retcode = flash_status_check(info, sector, tout, prompt);
if((retcode == ERR_OK) && !flash_isequal(info,sector, 0, FLASH_STATUS_DONE)) {
retcode = ERR_INVAL;
printf("Flash %s error at address %lx\n", prompt,info->start[sector]);
if(flash_isset(info, sector, 0, FLASH_STATUS_ECLBS | FLASH_STATUS_PSLBS)){
printf("Command Sequence Error.\n");
} else if(flash_isset(info, sector, 0, FLASH_STATUS_ECLBS)){
printf("Block Erase Error.\n");
retcode = ERR_NOT_ERASED;
} else if (flash_isset(info, sector, 0, FLASH_STATUS_PSLBS)) {
printf("Locking Error\n");
}
if(flash_isset(info, sector, 0, FLASH_STATUS_DPS)){
printf("Block locked.\n");
retcode = ERR_PROTECTED;
}
if(flash_isset(info, sector, 0, FLASH_STATUS_VPENS))
printf("Vpp Low Error.\n");
}
flash_write_cmd(info, sector, 0, FLASH_CMD_RESET);
return retcode;
}
/*-----------------------------------------------------------------------
*/
static void flash_add_byte(flash_info_t *info, cfiword_t * cword, uchar c)
{
switch(info->portwidth) {
case FLASH_CFI_8BIT:
cword->c = c;
break;
case FLASH_CFI_16BIT:
cword->w = (cword->w << 8) | c;
break;
case FLASH_CFI_32BIT:
cword->l = (cword->l << 8) | c;
}
}
/*-----------------------------------------------------------------------
* make a proper sized command based on the port and chip widths
*/
static void flash_make_cmd(flash_info_t * info, uchar cmd, void * cmdbuf)
{
int i;
uchar *cp = (uchar *)cmdbuf;
for(i=0; i< info->portwidth; i++)
*cp++ = ((i+1) % info->chipwidth) ? '\0':cmd;
}
/*
* Write a proper sized command to the correct address
*/
static void flash_write_cmd(flash_info_t * info, int sect, uchar offset, uchar cmd)
{
volatile cfiptr_t addr;
cfiword_t cword;
addr.cp = flash_make_addr(info, sect, offset);
flash_make_cmd(info, cmd, &cword);
switch(info->portwidth) {
case FLASH_CFI_8BIT:
*addr.cp = cword.c;
break;
case FLASH_CFI_16BIT:
*addr.wp = cword.w;
break;
case FLASH_CFI_32BIT:
*addr.lp = cword.l;
break;
}
}
/*-----------------------------------------------------------------------
*/
static int flash_isequal(flash_info_t * info, int sect, uchar offset, uchar cmd)
{
cfiptr_t cptr;
cfiword_t cword;
int retval;
cptr.cp = flash_make_addr(info, sect, offset);
flash_make_cmd(info, cmd, &cword);
switch(info->portwidth) {
case FLASH_CFI_8BIT:
retval = (cptr.cp[0] == cword.c);
break;
case FLASH_CFI_16BIT:
retval = (cptr.wp[0] == cword.w);
break;
case FLASH_CFI_32BIT:
retval = (cptr.lp[0] == cword.l);
break;
default:
retval = 0;
break;
}
return retval;
}
/*-----------------------------------------------------------------------
*/
static int flash_isset(flash_info_t * info, int sect, uchar offset, uchar cmd)
{
cfiptr_t cptr;
cfiword_t cword;
int retval;
cptr.cp = flash_make_addr(info, sect, offset);
flash_make_cmd(info, cmd, &cword);
switch(info->portwidth) {
case FLASH_CFI_8BIT:
retval = ((cptr.cp[0] & cword.c) == cword.c);
break;
case FLASH_CFI_16BIT:
retval = ((cptr.wp[0] & cword.w) == cword.w);
break;
case FLASH_CFI_32BIT:
retval = ((cptr.lp[0] & cword.l) == cword.l);
break;
default:
retval = 0;
break;
}
return retval;
}
/*-----------------------------------------------------------------------
* detect if flash is compatible with the Common Flash Interface (CFI)
* http://www.jedec.org/download/search/jesd68.pdf
*
*/
static int flash_detect_cfi(flash_info_t * info)
{
for(info->portwidth=FLASH_CFI_8BIT; info->portwidth <= FLASH_CFI_32BIT;
info->portwidth <<= 1) {
for(info->chipwidth =FLASH_CFI_BY8;
info->chipwidth <= info->portwidth;
info->chipwidth <<= 1) {
flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
flash_write_cmd(info, 0, FLASH_OFFSET_CFI, FLASH_CMD_CFI);
if(flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP,'Q') &&
flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') &&
flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y'))
return 1;
}
}
return 0;
}
/*
* The following code cannot be run from FLASH!
*
*/
static ulong flash_get_size (ulong base, int banknum)
{
flash_info_t * info = &flash_info[banknum];
int i, j;
int sect_cnt;
unsigned long sector;
unsigned long tmp;
int size_ratio;
uchar num_erase_regions;
int erase_region_size;
int erase_region_count;
info->start[0] = base;
if(flash_detect_cfi(info)){
#ifdef DEBUG_FLASH
printf("portwidth=%d chipwidth=%d\n", info->portwidth, info->chipwidth); /* test-only */
#endif
size_ratio = info->portwidth / info->chipwidth;
num_erase_regions = flash_read_uchar(info, FLASH_OFFSET_NUM_ERASE_REGIONS);
#ifdef DEBUG_FLASH
printf("found %d erase regions\n", num_erase_regions);
#endif
sect_cnt = 0;
sector = base;
for(i = 0 ; i < num_erase_regions; i++) {
if(i > NUM_ERASE_REGIONS) {
printf("%d erase regions found, only %d used\n",
num_erase_regions, NUM_ERASE_REGIONS);
break;
}
tmp = flash_read_long(info, 0, FLASH_OFFSET_ERASE_REGIONS);
erase_region_size = (tmp & 0xffff)? ((tmp & 0xffff) * 256): 128;
tmp >>= 16;
erase_region_count = (tmp & 0xffff) +1;
for(j = 0; j< erase_region_count; j++) {
info->start[sect_cnt] = sector;
sector += (erase_region_size * size_ratio);
info->protect[sect_cnt] = flash_isset(info, sect_cnt, FLASH_OFFSET_PROTECT, FLASH_STATUS_PROTECT);
sect_cnt++;
}
}
info->sector_count = sect_cnt;
/* multiply the size by the number of chips */
info->size = (1 << flash_read_uchar(info, FLASH_OFFSET_SIZE)) * size_ratio;
info->buffer_size = (1 << flash_read_ushort(info, 0, FLASH_OFFSET_BUFFER_SIZE));
tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_ETOUT);
info->erase_blk_tout = (tmp * (1 << flash_read_uchar(info, FLASH_OFFSET_EMAX_TOUT)));
tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_WBTOUT);
info->buffer_write_tout = (tmp * (1 << flash_read_uchar(info, FLASH_OFFSET_WBMAX_TOUT)));
tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_WTOUT);
info->write_tout = (tmp * (1 << flash_read_uchar(info, FLASH_OFFSET_WMAX_TOUT)))/ 1000;
info->flash_id = FLASH_MAN_CFI;
}
flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
return(info->size);
}
/*-----------------------------------------------------------------------
*/
static int flash_write_cfiword (flash_info_t *info, ulong dest, cfiword_t cword)
{
cfiptr_t ctladdr;
cfiptr_t cptr;
int flag;
ctladdr.cp = flash_make_addr(info, 0, 0);
cptr.cp = (uchar *)dest;
/* Check if Flash is (sufficiently) erased */
switch(info->portwidth) {
case FLASH_CFI_8BIT:
flag = ((cptr.cp[0] & cword.c) == cword.c);
break;
case FLASH_CFI_16BIT:
flag = ((cptr.wp[0] & cword.w) == cword.w);
break;
case FLASH_CFI_32BIT:
flag = ((cptr.lp[0] & cword.l) == cword.l);
break;
default:
return 2;
}
if(!flag)
return 2;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
flash_write_cmd(info, 0, 0, FLASH_CMD_CLEAR_STATUS);
flash_write_cmd(info, 0, 0, FLASH_CMD_WRITE);
switch(info->portwidth) {
case FLASH_CFI_8BIT:
cptr.cp[0] = cword.c;
break;
case FLASH_CFI_16BIT:
cptr.wp[0] = cword.w;
break;
case FLASH_CFI_32BIT:
cptr.lp[0] = cword.l;
break;
}
/* re-enable interrupts if necessary */
if(flag)
enable_interrupts();
return flash_full_status_check(info, 0, info->write_tout, "write");
}
#ifdef CFG_FLASH_USE_BUFFER_WRITE
/* loop through the sectors from the highest address
* when the passed address is greater or equal to the sector address
* we have a match
*/
static int find_sector(flash_info_t *info, ulong addr)
{
int sector;
for(sector = info->sector_count - 1; sector >= 0; sector--) {
if(addr >= info->start[sector])
break;
}
return sector;
}
static int flash_write_cfibuffer(flash_info_t * info, ulong dest, uchar * cp, int len)
{
int sector;
int cnt;
int retcode;
volatile cfiptr_t src;
volatile cfiptr_t dst;
src.cp = cp;
dst.cp = (uchar *)dest;
sector = find_sector(info, dest);
flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS);
flash_write_cmd(info, sector, 0, FLASH_CMD_WRITE_TO_BUFFER);
if((retcode = flash_status_check(info, sector, info->buffer_write_tout,
"write to buffer")) == ERR_OK) {
switch(info->portwidth) {
case FLASH_CFI_8BIT:
cnt = len;
break;
case FLASH_CFI_16BIT:
cnt = len >> 1;
break;
case FLASH_CFI_32BIT:
cnt = len >> 2;
break;
default:
return ERR_INVAL;
break;
}
flash_write_cmd(info, sector, 0, (uchar)cnt-1);
while(cnt-- > 0) {
switch(info->portwidth) {
case FLASH_CFI_8BIT:
*dst.cp++ = *src.cp++;
break;
case FLASH_CFI_16BIT:
*dst.wp++ = *src.wp++;
break;
case FLASH_CFI_32BIT:
*dst.lp++ = *src.lp++;
break;
default:
return ERR_INVAL;
break;
}
}
flash_write_cmd(info, sector, 0, FLASH_CMD_WRITE_BUFFER_CONFIRM);
retcode = flash_full_status_check(info, sector, info->buffer_write_tout,
"buffer write");
}
flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS);
return retcode;
}
#endif /* CFG_USE_FLASH_BUFFER_WRITE */

148
board/esd/apc405/u-boot.lds Normal file
View File

@ -0,0 +1,148 @@
/*
* (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(powerpc)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
.resetvec 0xFFFFFFFC :
{
*(.resetvec)
} = 0xffff
/* 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/ppc4xx/start.o (.text)
cpu/ppc4xx/traps.o (.text)
cpu/ppc4xx/interrupts.o (.text)
cpu/ppc4xx/serial.o (.text)
cpu/ppc4xx/cpu_init.o (.text)
cpu/ppc4xx/speed.o (.text)
cpu/ppc4xx/405gp_enet.o (.text)
common/dlmalloc.o (.text)
lib_generic/crc32.o (.text)
lib_ppc/extable.o (.text)
lib_generic/zlib.o (.text)
/* . = env_offset;*/
/* common/environment.o(.text)*/
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
*(.rodata.str1.4)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x00FF) & 0xFFFFFF00;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
*(.got)
_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) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
_end = . ;
PROVIDE (end = .);
}