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author | Markus Klotzbuecher <mk@denx.de> | 2007-09-17 17:12:45 +0200 |
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committer | Markus Klotzbuecher <mk@pollux.denx.de> | 2007-09-17 17:12:45 +0200 |
commit | f930922f061ea7bf585296859d1c14194c24b840 (patch) | |
tree | c46b9f120f7c55f5baf8b6ac3048ba759e10a512 /board/netstal/hcu4 | |
parent | 97213f32416ead885deafea86774e912ffd60ad0 (diff) | |
parent | 67c31036acaaaa992fc346cc89db0909a7e733c4 (diff) | |
download | u-boot-imx-f930922f061ea7bf585296859d1c14194c24b840.zip u-boot-imx-f930922f061ea7bf585296859d1c14194c24b840.tar.gz u-boot-imx-f930922f061ea7bf585296859d1c14194c24b840.tar.bz2 |
Merge with git://www.denx.de/git/u-boot.git
Diffstat (limited to 'board/netstal/hcu4')
-rw-r--r-- | board/netstal/hcu4/Makefile | 53 | ||||
-rw-r--r-- | board/netstal/hcu4/README.txt | 59 | ||||
-rw-r--r-- | board/netstal/hcu4/config.mk | 28 | ||||
-rw-r--r-- | board/netstal/hcu4/hcu4.c | 402 | ||||
-rw-r--r-- | board/netstal/hcu4/u-boot.lds | 140 |
5 files changed, 682 insertions, 0 deletions
diff --git a/board/netstal/hcu4/Makefile b/board/netstal/hcu4/Makefile new file mode 100644 index 0000000..af90821 --- /dev/null +++ b/board/netstal/hcu4/Makefile @@ -0,0 +1,53 @@ +# +# (C) Copyright 2007 Netstal Maschinen AG +# Niklaus Giger (ng@netstal.com) +# +# 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 + +vpath hcu_flash.c ../common + +# NOBJS : Netstal common objects +NOBJS = hcu_flash.o +COBJS = $(BOARD).o +SOBJS = + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) ../common/$(NOBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +NOBJS := $(addprefix $(obj),$(NOBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(OBJS) $(SOBJS) $(NOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) $(NOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/netstal/hcu4/README.txt b/board/netstal/hcu4/README.txt new file mode 100644 index 0000000..1e9c64a --- /dev/null +++ b/board/netstal/hcu4/README.txt @@ -0,0 +1,59 @@ +HCU4 Configuration Details + +Memory Bank 0 -- Flash chip +--------------------------- + +0xfff00000 - 0xffffffff + +The flash chip is really only 512Kbytes, but the high address bit of +the 1Meg region is ignored, so the flash is replicated through the +region. Thus, this is consistent with a flash base address 0xfff80000. + +The placement at the end is to be consistent with reset behavior, +where the processor itself initially uses this bus to load the branch +vector and start running. + +On-Chip Memory +-------------- + +0xf4000000 - 0xf4000fff + +The 405GPr includes a 4K on-chip memory that can be placed however +software chooses. I choose to place the memory at this address, to +keep it out of the cachable areas. + + +Internal Peripherals +-------------------- + +0xef600300 - 0xef6008ff + +These are scattered various peripherals internal to the PPC405GPr +chip. + +Chip-Select 2: Flash Memory +--------------------------- + +0x70000000 + +Chip-Select 3: CAN Interface +---------------------------- +0x7800000 + + +Chip-Select 4: IMC-bus standard +------------------------------- + +Our IO-Bus (slow version) + + +Chip-Select 5: IMC-bus fast (inactive) +-------------------------------------- + +Our IO-Bus (fast, but not yet use) + + +Memory Bank 1 -- SDRAM +------------------------------------- + +0x00000000 - 0x1ffffff # Default 32 MB diff --git a/board/netstal/hcu4/config.mk b/board/netstal/hcu4/config.mk new file mode 100644 index 0000000..376609a --- /dev/null +++ b/board/netstal/hcu4/config.mk @@ -0,0 +1,28 @@ +# +# (C) Copyright 2005 Netstal Maschinen AG +# Niklaus Giger (ng@netstal.com) +# 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 +# + +# +# Netstal Maschinen AG: HCU4 boards +# + +TEXT_BASE = 0xFFFa0000 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG -g +endif diff --git a/board/netstal/hcu4/hcu4.c b/board/netstal/hcu4/hcu4.c new file mode 100644 index 0000000..48a3f13 --- /dev/null +++ b/board/netstal/hcu4/hcu4.c @@ -0,0 +1,402 @@ +/* + *(C) Copyright 2005-2007 Netstal Maschinen AG + * Niklaus Giger (Niklaus.Giger@netstal.com) + * + * This source code is free software; you can redistribute it + * and/or modify it in source code form 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 <ppc4xx.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <asm-ppc/u-boot.h> +#include "../common/nm_bsp.c" + +DECLARE_GLOBAL_DATA_PTR; + +#define HCU_MACH_VERSIONS_REGISTER (0x7C000000 + 0xF00000) + +#define SDRAM_LEN 32*1024*1024 /* 32 MB -RAM */ + +#define DO_UGLY_SDRAM_WORKAROUND + +enum { + /* HW_GENERATION_HCU wird nicht mehr unterstuetzt */ + HW_GENERATION_HCU2 = 0x10, + HW_GENERATION_HCU3 = 0x10, + HW_GENERATION_HCU4 = 0x20, + HW_GENERATION_MCU = 0x08, + HW_GENERATION_MCU20 = 0x0a, + HW_GENERATION_MCU25 = 0x09, +}; + +void hcu_led_set(u32 value); +long int spd_sdram(int(read_spd)(uint addr)); + +#ifdef CONFIG_SPD_EEPROM +#define DEBUG +#endif + +#if defined(DEBUG) +void show_sdram_registers(void); +#endif + +/* + * This function is run very early, out of flash, and before devices are + * initialized. It is called by lib_ppc/board.c:board_init_f by virtue + * of being in the init_sequence array. + * + * The SDRAM has been initialized already -- start.S:start called + * init.S:init_sdram early on -- but it is not yet being used for + * anything, not even stack. So be careful. + */ + +#define CPC0_CR0 0xb1 /* Chip control register 0 */ +#define CPC0_CR1 0xb2 /* Chip control register 1 */ +/* Attention: If you want 1 microsecs times from the external oscillator + * use 0x00804051. But this causes problems with u-boot and linux! + */ +#define CPC0_CR1_VALUE 0x00004051 +#define CPC0_ECR 0xaa /* Edge condition register */ +#define EBC0_CFG 0x23 /* External Peripheral Control Register */ +#define CPC0_EIRR 0xb6 /* External Interrupt Register */ + + +int board_early_init_f (void) +{ + /*-------------------------------------------------------------------+ + | Interrupt controller setup for the HCU4 board. + | Note: IRQ 0-15 405GP internally generated; high; level sensitive + | IRQ 16 405GP internally generated; low; level sensitive + | IRQ 17-24 RESERVED/UNUSED + | IRQ 31 (EXT IRQ 6) (unused) + +-------------------------------------------------------------------*/ + mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr (uicer, 0x00000000); /* disable all ints */ + mtdcr (uiccr, 0x00000000); /* set all to be non-critical */ + mtdcr (uicpr, 0xFFFFFF87); /* set int polarities */ + mtdcr (uictr, 0x10000000); /* set int trigger levels */ + mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ + + mtdcr(CPC0_CR1, CPC0_CR1_VALUE); + mtdcr(CPC0_ECR, 0x60606000); + mtdcr(CPC0_EIRR, 0x7c000000); + + return 0; +} + +#ifdef CONFIG_BOARD_PRE_INIT +int board_pre_init (void) +{ + return board_early_init_f (); +} +#endif + +int checkboard (void) +{ + unsigned int j; + u16 *boardVersReg = (u16 *) HCU_MACH_VERSIONS_REGISTER; + u16 generation = *boardVersReg & 0xf0; + u16 index = *boardVersReg & 0x0f; + + /* Force /RTS to active. The board it not wired quite + correctly to use cts/rtc flow control, so just force the + /RST active and forget about it. */ + writeb (readb (0xef600404) | 0x03, 0xef600404); + printf ("\nNetstal Maschinen AG "); + if (generation == HW_GENERATION_HCU3) + printf ("HCU3: index %d\n\n", index); + else if (generation == HW_GENERATION_HCU4) + printf ("HCU4: index %d\n\n", index); + hcu_led_set(0); + for (j = 0; j < 7; j++) { + hcu_led_set(1 << j); + udelay(50 * 1000); + } + + return 0; +} + +u32 hcu_led_get(void) +{ + return (~((*(u32 *)GPIO0_OR)) >> 23) & 0xff; +} + +/*---------------------------------------------------------------------------+ + * hcu_led_set value to be placed into the LEDs (max 6 bit) + *---------------------------------------------------------------------------*/ +void hcu_led_set(u32 value) +{ + u32 tmp = ~value; + u32 *ledReg; + + tmp = (tmp << 23) | 0x7FFFFF; + ledReg = (u32 *)GPIO0_OR; + *ledReg = tmp; +} + +/* + * sdram_init - Dummy implementation for start.S, spd_sdram or initdram + * used for HCUx + */ +void sdram_init(void) +{ + return; +} + +#if defined(DEBUG) +void show_sdram_registers(void) +{ + u32 value; + + printf ("SDRAM Controller Registers --\n"); + mfsdram(mem_mcopt1, value); + printf (" SDRAM0_CFG : 0x%08x\n", value); + mfsdram(mem_status, value); + printf (" SDRAM0_STATUS: 0x%08x\n", value); + mfsdram(mem_mb0cf, value); + printf (" SDRAM0_B0CR : 0x%08x\n", value); + mfsdram(mem_mb1cf, value); + printf (" SDRAM0_B1CR : 0x%08x\n", value); + mfsdram(mem_sdtr1, value); + printf (" SDRAM0_TR : 0x%08x\n", value); + mfsdram(mem_rtr, value); + printf (" SDRAM0_RTR : 0x%08x\n", value); +} +#endif + +/* + * this is even after checkboard. It returns the size of the SDRAM + * that we have installed. This function is called by board_init_f + * in lib_ppc/board.c to initialize the memory and return what I + * found. These are default value, which will be overridden later. + */ + +long int fixed_hcu4_sdram (int board_type) +{ +#ifdef DEBUG + printf (__FUNCTION__); +#endif + /* disable memory controller */ + mtdcr (memcfga, mem_mcopt1); + mtdcr (memcfgd, 0x00000000); + + udelay (500); + + /* Clear SDRAM0_BESR0 (Bus Error Syndrome Register) */ + mtdcr (memcfga, mem_besra); + mtdcr (memcfgd, 0xffffffff); + + /* Clear SDRAM0_BESR1 (Bus Error Syndrome Register) */ + mtdcr (memcfga, mem_besrb); + mtdcr (memcfgd, 0xffffffff); + + /* Clear SDRAM0_ECCCFG (disable ECC) */ + mtdcr (memcfga, mem_ecccf); + mtdcr (memcfgd, 0x00000000); + + /* Clear SDRAM0_ECCESR (ECC Error Syndrome Register) */ + mtdcr (memcfga, mem_eccerr); + mtdcr (memcfgd, 0xffffffff); + + /* Timing register: CASL=2, PTA=2, CTP=2, LDF=1, RFTA=5, RCD=2 + * TODO ngngng + */ + mtdcr (memcfga, mem_sdtr1); + mtdcr (memcfgd, 0x008a4015); + + /* Memory Bank 0 Config == BA=0x00000000, SZ=64M, AM=3, BE=1 + * TODO ngngng + */ + mtdcr (memcfga, mem_mb0cf); + mtdcr (memcfgd, 0x00062001); + + /* refresh timer = 0x400 */ + mtdcr (memcfga, mem_rtr); + mtdcr (memcfgd, 0x04000000); + + /* Power management idle timer set to the default. */ + mtdcr (memcfga, mem_pmit); + mtdcr (memcfgd, 0x07c00000); + + udelay (500); + + /* Enable banks (DCE=1, BPRF=1, ECCDD=1, EMDUL=1) TODO */ + mtdcr (memcfga, mem_mcopt1); + mtdcr (memcfgd, 0x90800000); + +#ifdef DEBUG + printf ("%s: done\n", __FUNCTION__); +#endif + return SDRAM_LEN; +} + +/*---------------------------------------------------------------------------+ + * hcu_serial_number + *---------------------------------------------------------------------------*/ +static u32 hcu_serial_number(void) +{ + u32 *serial = (u32 *)CFG_FLASH_BASE; + + if (*serial == 0xffffffff) + return get_ticks(); + + return *serial; +} + + +/*---------------------------------------------------------------------------+ + * misc_init_r. + *---------------------------------------------------------------------------*/ + +int misc_init_r(void) +{ + char *s = getenv("ethaddr"); + char *e; + int i; + u32 serial = hcu_serial_number(); + + for (i = 0; i < 6; ++i) { + gd->bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0; + if (s) + s = (*e) ? e + 1 : e; + } + + if (gd->bd->bi_enetaddr[3] == 0 && + gd->bd->bi_enetaddr[4] == 0 && + gd->bd->bi_enetaddr[5] == 0) { + char ethaddr[22]; + /* [0..3] Must be in sync with CONFIG_ETHADDR */ + gd->bd->bi_enetaddr[0] = 0x00; + gd->bd->bi_enetaddr[1] = 0x60; + gd->bd->bi_enetaddr[2] = 0x13; + gd->bd->bi_enetaddr[3] = (serial >> 16) & 0xff; + gd->bd->bi_enetaddr[4] = (serial >> 8) & 0xff; + gd->bd->bi_enetaddr[5] = (serial >> 0) & 0xff; + sprintf (ethaddr, "%02X:%02X:%02X:%02X:%02X:%02X\0", + gd->bd->bi_enetaddr[0], gd->bd->bi_enetaddr[1], + gd->bd->bi_enetaddr[2], gd->bd->bi_enetaddr[3], + gd->bd->bi_enetaddr[4], gd->bd->bi_enetaddr[5]) ; + printf("%s: Setting eth %s serial 0x%x\n", __FUNCTION__, + ethaddr, serial); + setenv ("ethaddr", ethaddr); + } + return 0; +} + +#ifdef DO_UGLY_SDRAM_WORKAROUND +#include "i2c.h" + +void set_spd_default_value(unsigned int spd_addr,uchar def_val) +{ + uchar value; + int res = i2c_read(SPD_EEPROM_ADDRESS, spd_addr, 1, &value, 1) ; + + if (res == 0 && value == 0xff) { + res = i2c_write(SPD_EEPROM_ADDRESS, + spd_addr, 1, &def_val, 1) ; +#ifdef DEBUG + printf("%s: Setting spd offset %3d to %3d res %d\n", + __FUNCTION__, spd_addr, def_val, res); +#endif + } +} +#endif + +long int initdram(int board_type) +{ + long dram_size = 0; + +#if !defined(CONFIG_SPD_EEPROM) + dram_size = fixed_hcu4_sdram(); +#else +#ifdef DO_UGLY_SDRAM_WORKAROUND + /* Workaround if you have no working I2C-EEPROM-SPD-configuration */ + i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE); + set_spd_default_value(2, 4); /* SDRAM Type */ + set_spd_default_value(7, 0); /* module width, high byte */ + set_spd_default_value(12, 1); /* Refresh or 0x81 */ + + /* Only correct for HCU3 with 32 MB RAM*/ + /* Number of bytes used by module manufacturer */ + set_spd_default_value( 0, 128); + set_spd_default_value( 1, 11 ); /* Total SPD memory size */ + set_spd_default_value( 2, 4 ); /* Memory type */ + set_spd_default_value( 3, 12 ); /* Number of row address bits */ + set_spd_default_value( 4, 9 ); /* Number of column address bits */ + set_spd_default_value( 5, 1 ); /* Number of module rows */ + set_spd_default_value( 6, 32 ); /* Module data width, LSB */ + set_spd_default_value( 7, 0 ); /* Module data width, MSB */ + set_spd_default_value( 8, 1 ); /* Module interface signal levels */ + /* SDRAM cycle time for highest CL (Tclk) */ + set_spd_default_value( 9, 112); + /* SDRAM access time from clock for highest CL (Tac) */ + set_spd_default_value(10, 84 ); + set_spd_default_value(11, 2 ); /* Module configuration type */ + set_spd_default_value(12, 128); /* Refresh rate/type */ + set_spd_default_value(13, 16 ); /* Primary SDRAM width */ + set_spd_default_value(14, 8 ); /* Error Checking SDRAM width */ + /* SDRAM device attributes, min clock delay for back to back */ + /*random column addresses (Tccd) */ + set_spd_default_value(15, 1 ); + /* SDRAM device attributes, burst lengths supported */ + set_spd_default_value(16, 143); + /* SDRAM device attributes, number of banks on SDRAM device */ + set_spd_default_value(17, 4 ); + /* SDRAM device attributes, CAS latency */ + set_spd_default_value(18, 6 ); + /* SDRAM device attributes, CS latency */ + set_spd_default_value(19, 1 ); + /* SDRAM device attributes, WE latency */ + set_spd_default_value(20, 1 ); + set_spd_default_value(21, 0 ); /* SDRAM module attributes */ + /* SDRAM device attributes, general */ + set_spd_default_value(22, 14 ); + /* SDRAM cycle time for 2nd highest CL (Tclk) */ + set_spd_default_value(23, 117); + /* SDRAM access time from clock for2nd highest CL (Tac) */ + set_spd_default_value(24, 84 ); + /* SDRAM cycle time for 3rd highest CL (Tclk) */ + set_spd_default_value(25, 0 ); + /* SDRAM access time from clock for3rd highest CL (Tac) */ + set_spd_default_value(26, 0 ); + set_spd_default_value(27, 15 ); /* Minimum row precharge time (Trp) */ + /* Minimum row active to row active delay (Trrd) */ + set_spd_default_value(28, 14 ); + set_spd_default_value(29, 15 ); /* Minimum CAS to RAS delay (Trcd) */ + set_spd_default_value(30, 37 ); /* Minimum RAS pulse width (Tras) */ + set_spd_default_value(31, 8 ); /* Module bank density */ + /* Command and Address signal input setup time */ + set_spd_default_value(32, 21 ); + /* Command and Address signal input hold time */ + set_spd_default_value(33, 8 ); + set_spd_default_value(34, 21 ); /* Data signal input setup time */ + set_spd_default_value(35, 8 ); /* Data signal input hold time */ +#endif /* DO_UGLY_SDRAM_WORKAROUND */ + dram_size = spd_sdram(0); +#endif + +#ifdef DEBUG + show_sdram_registers(); +#endif + +#if defined(CFG_DRAM_TEST) + bcu4_testdram(dram_size); + printf("%s %d MB of SDRAM\n", __FUNCTION__, dram_size/(1024*1024)); +#endif + + return dram_size; +} diff --git a/board/netstal/hcu4/u-boot.lds b/board/netstal/hcu4/u-boot.lds new file mode 100644 index 0000000..b6e28f8 --- /dev/null +++ b/board/netstal/hcu4/u-boot.lds @@ -0,0 +1,140 @@ +/* + * (C) Copyright 2000-2004 + * 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 : { + /* The start.o file includes the initial jump vector that + must be located in the beginning. It is the basic run- + time function that calls all other functions. */ + cpu/ppc4xx/start.o (.text) + +/* . = env_offset;*/ +/* common/environment.o(.text)*/ + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .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 = .); +} |