diff options
Diffstat (limited to 'board/ep82xxm')
| -rw-r--r-- | board/ep82xxm/Makefile | 49 | ||||
| -rw-r--r-- | board/ep82xxm/config.mk | 26 | ||||
| -rw-r--r-- | board/ep82xxm/ep82xxm.c | 289 | ||||
| -rw-r--r-- | board/ep82xxm/u-boot.lds | 125 |
4 files changed, 489 insertions, 0 deletions
diff --git a/board/ep82xxm/Makefile b/board/ep82xxm/Makefile new file mode 100644 index 0000000..349be1f --- /dev/null +++ b/board/ep82xxm/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2001-2006 +# 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 + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend *~ + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/ep82xxm/config.mk b/board/ep82xxm/config.mk new file mode 100644 index 0000000..da039e2 --- /dev/null +++ b/board/ep82xxm/config.mk @@ -0,0 +1,26 @@ +# +# (C) Copyright 2001-2006 +# 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 +# + +# EP82xxM series boards by Embedded Planet + +TEXT_BASE = 0xFFF00000 diff --git a/board/ep82xxm/ep82xxm.c b/board/ep82xxm/ep82xxm.c new file mode 100644 index 0000000..fe3f78e --- /dev/null +++ b/board/ep82xxm/ep82xxm.c @@ -0,0 +1,289 @@ +/* + * Copyright (C) 2006 Embedded Planet, LLC. + * + * Support for Embedded Planet EP82xxM boards. + * Tested on EP82xxM (MPC8270). + * + * 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 <mpc8260.h> +#include <ioports.h> +#include <asm/m8260_pci.h> +#ifdef CONFIG_PCI +#include <pci.h> +#endif +#include <miiphy.h> + +/* + * I/O Port configuration table + * + * if conf is 1, then that port pin will be configured at boot time + * according to the five values podr/pdir/ppar/psor/pdat for that entry + */ + +#define CFG_FCC2 1 +#define CFG_FCC3 1 + +const iop_conf_t iop_conf_tab[4][32] = { + + /* Port A */ + { /* conf ppar psor pdir podr pdat */ + /* PA31 */ { 0, 0, 0, 0, 0, 1 }, /* PA31 */ + /* PA30 */ { 0, 0, 0, 0, 0, 1 }, /* PA30 */ + /* PA29 */ { 0, 0, 0, 0, 0, 1 }, /* PA29 */ + /* PA28 */ { 0, 0, 0, 0, 0, 1 }, /* PA28 */ + /* PA27 */ { 0, 0, 0, 0, 0, 1 }, /* PA27 */ + /* PA26 */ { 0, 0, 0, 0, 0, 1 }, /* PA26 */ + /* PA25 */ { 0, 0, 0, 0, 0, 1 }, /* PA25 */ + /* PA24 */ { 0, 0, 0, 0, 0, 1 }, /* PA24 */ + /* PA23 */ { 0, 0, 0, 0, 0, 1 }, /* PA23 */ + /* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */ + /* PA21 */ { 0, 0, 0, 0, 0, 1 }, /* PA21 */ + /* PA20 */ { 0, 0, 0, 0, 0, 1 }, /* PA20 */ + /* PA19 */ { 0, 0, 0, 0, 0, 1 }, /* PA19 */ + /* PA18 */ { 0, 0, 0, 0, 0, 1 }, /* PA18 */ + /* PA17 */ { 0, 0, 0, 0, 0, 1 }, /* PA17 */ + /* PA16 */ { 0, 0, 0, 0, 0, 1 }, /* PA16 */ + /* PA15 */ { 0, 0, 0, 0, 0, 1 }, /* PA15 */ + /* PA14 */ { 0, 0, 0, 0, 0, 1 }, /* PA14 */ + /* PA13 */ { 0, 0, 0, 0, 0, 1 }, /* PA13 */ + /* PA12 */ { 0, 0, 0, 0, 0, 1 }, /* PA12 */ + /* PA11 */ { 0, 0, 0, 0, 0, 1 }, /* PA11 */ + /* PA10 */ { 0, 0, 0, 0, 0, 1 }, /* PA10 */ + /* PA9 */ { 1, 1, 0, 1, 0, 1 }, /* SMC2 TxD */ + /* PA8 */ { 1, 1, 0, 0, 0, 1 }, /* SMC2 RxD */ + /* PA7 */ { 0, 0, 0, 0, 0, 1 }, /* PA7 */ + /* PA6 */ { 0, 0, 0, 0, 0, 1 }, /* PA6 */ + /* PA5 */ { 0, 0, 0, 0, 0, 1 }, /* PA5 */ + /* PA4 */ { 0, 0, 0, 0, 0, 1 }, /* PA4 */ + /* PA3 */ { 0, 0, 0, 0, 0, 1 }, /* PA3 */ + /* PA2 */ { 0, 0, 0, 0, 0, 1 }, /* PA2 */ + /* PA1 */ { 0, 0, 0, 0, 0, 1 }, /* PA1 */ + /* PA0 */ { 0, 0, 0, 0, 0, 1 } /* PA0 */ + }, + + /* Port B */ + { /* conf ppar psor pdir podr pdat */ + /* PB31 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */ + /* PB30 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */ + /* PB29 */ { CFG_FCC2, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */ + /* PB28 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */ + /* PB27 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */ + /* PB26 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */ + /* PB25 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */ + /* PB24 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */ + /* PB23 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */ + /* PB22 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */ + /* PB21 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */ + /* PB20 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */ + /* PB19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */ + /* PB18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */ + /* PB17 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */ + /* PB16 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */ + /* PB15 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */ + /* PB14 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */ + /* PB13 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:COL */ + /* PB12 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:CRS */ + /* PB11 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB10 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB9 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB8 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3:RXD */ + /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */ + /* PB6 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB5 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB4 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3:TXD */ + /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */ + }, + + /* Port C */ + { /* conf ppar psor pdir podr pdat */ + /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */ + /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */ + /* PC29 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 CTS# */ + /* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */ + /* PC27 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3: TXD[0] */ + /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */ + /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */ + /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */ + /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */ + /* PC22 */ { 0, 0, 0, 0, 0, 0 }, /* PC22 */ + /* PC21 */ { 0, 0, 0, 0, 0, 0 }, /* PC21 */ + /* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */ + /* PC19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* RxClk (CLK13) */ + /* PC18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* TxClk (CLK14) */ + /* PC17 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* RxClk (CLK15) */ + /* PC16 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* TxClk (CLK16) */ + /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */ + /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 CD# */ + /* PC13 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 CTS# */ + /* PC12 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 CD# */ + /* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */ + /* PC10 */ { 1, 1, 0, 0, 0, 0 }, /* SCC3 CD# */ + /* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* PC9 */ + /* PC8 */ { 1, 1, 1, 0, 0, 0 }, /* SCC3 CTS# */ + /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */ + /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */ + /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */ + /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */ + /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */ + /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */ + /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */ + /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */ + }, + + /* Port D */ + { /* conf ppar psor pdir podr pdat */ + /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 RXD */ + /* PD30 */ { 1, 1, 1, 1, 0, 1 }, /* SCC1 TXD */ + /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 RTS# */ + /* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RXD */ + /* PD27 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 TXD */ + /* PD26 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 RTS# */ + /* PD25 */ { 1, 1, 0, 0, 0, 0 }, /* SCC3 RXD */ + /* PD24 */ { 1, 1, 0, 1, 0, 0 }, /* SCC3 TXD */ + /* PD23 */ { 1, 1, 0, 1, 0, 0 }, /* SCC3 RTS# */ + /* PD22 */ { 0, 0, 0, 0, 0, 1 }, /* PD22 */ + /* PD21 */ { 0, 0, 0, 0, 0, 1 }, /* PD21 */ + /* PD20 */ { 0, 0, 0, 0, 0, 1 }, /* PD20 */ + /* PD19 */ { 0, 0, 0, 0, 0, 1 }, /* PD19 */ + /* PD18 */ { 0, 0, 0, 0, 0, 1 }, /* PD18 */ + /* PD17 */ { 0, 0, 0, 0, 0, 1 }, /* PD17 */ + /* PD16 */ { 0, 0, 0, 0, 0, 1 }, /* PD16 */ + /* PD15 */ { 1, 1, 1, 0, 1, 1 }, /* I2C SDA */ + /* PD14 */ { 1, 1, 1, 0, 1, 1 }, /* I2C SCL */ + /* PD13 */ { 0, 0, 0, 0, 0, 1 }, /* PD13 */ + /* PD12 */ { 0, 0, 0, 0, 0, 1 }, /* PD12 */ + /* PD11 */ { 0, 0, 0, 0, 0, 1 }, /* PD11 */ + /* PD10 */ { 0, 0, 0, 0, 0, 1 }, /* PD10 */ + /* PD9 */ { 1, 1, 0, 1, 0, 1 }, /* SMC1 TxD */ + /* PD8 */ { 1, 1, 0, 0, 0, 1 }, /* SMC1 RxD */ + /* PD7 */ { 1, 1, 0, 0, 0, 1 }, /* SMC1 SMSYN */ + /* PD6 */ { 0, 0, 0, 0, 0, 1 }, /* PD6 */ + /* PD5 */ { 0, 0, 0, 0, 0, 1 }, /* PD5 */ + /* PD4 */ { 0, 0, 0, 0, 0, 1 }, /* PD4 */ + /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ + /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */ + } +}; + +#ifdef CONFIG_PCI +typedef struct pci_ic_s { + unsigned long pci_int_stat; + unsigned long pci_int_mask; +}pci_ic_t; +#endif + +int board_early_init_f (void) +{ + vu_char *bcsr = (vu_char *)CFG_BCSR; + + bcsr[4] |= 0x30; /* Turn the LEDs off */ + +#if defined(CONFIG_CONS_ON_SMC) || defined(CONFIG_KGDB_ON_SMC) + bcsr[6] |= 0x10; +#endif +#if defined(CONFIG_CONS_ON_SCC) || defined(CONFIG_KGDB_ON_SCC) + bcsr[7] |= 0x10; +#endif + +#if CFG_FCC3 + bcsr[8] |= 0xC0; +#endif /* CFG_FCC3 */ +#if CFG_FCC2 + bcsr[8] |= 0x30; +#endif /* CFG_FCC2 */ + + return 0; +} + +long int initdram(int board_type) +{ + /* Size in MB of SDRAM populated on board*/ + long int msize = 256; + +#ifndef CFG_RAMBOOT + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile memctl8260_t *memctl = &immap->im_memctl; + uint psdmr = CFG_PSDMR; + int i; + + unsigned char ramtmp; + unsigned char *ramptr1 = (unsigned char *)0x00000110; + + memctl->memc_mptpr = CFG_MPTPR; + +udelay(400); + + /* Initialise 60x bus SDRAM */ + memctl->memc_psrt = CFG_PSRT; + memctl->memc_or1 = CFG_SDRAM_OR; + memctl->memc_br1 = CFG_SDRAM_BR; + memctl->memc_psdmr = psdmr; + +udelay(400); + + memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; /* Precharge all banks */ + ramtmp = *ramptr1; + memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; /* CBR refresh */ + for (i = 0; i < 8; i++) { + memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; /* CBR refresh */ + } + ramtmp = *ramptr1; + memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; /* Mode Register write */ + *ramptr1 = 0xFF; + memctl->memc_psdmr = psdmr | PSDMR_RFEN; /* Refresh enable */ +#endif /* !CFG_RAMBOOT */ + + /* Return total 60x bus SDRAM size */ + return msize * 1024 * 1024; +} + +int checkboard(void) +{ + vu_char *bcsr = (vu_char *)CFG_BCSR; + + puts("Board: "); + switch (bcsr[0]) { + case 0x0A: + printf("EP82xxM 1.0 CPLD revision %d\n", bcsr[1]); + break; + default: + printf("unknown: ID=%02X\n", bcsr[0]); + } + + return 0; +} + +#ifdef CONFIG_PCI +struct pci_controller hose; + +extern void pci_mpc8250_init(struct pci_controller *); + +void pci_init_board(void) +{ + pci_mpc8250_init(&hose); +} +#endif diff --git a/board/ep82xxm/u-boot.lds b/board/ep82xxm/u-boot.lds new file mode 100644 index 0000000..18c4b46 --- /dev/null +++ b/board/ep82xxm/u-boot.lds @@ -0,0 +1,125 @@ +/* + * (C) Copyright 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Modified by Yuli Barcohen <yuli@arabellasw.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 + */ + +OUTPUT_ARCH(powerpc) +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 : + { + cpu/mpc8260/start.o (.text) + *(.text) + *(.fixup) + *(.got1) + . = ALIGN(16); + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _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(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} +ENTRY(_start) |