diff options
author | Stefan Roese <sr@denx.de> | 2007-08-14 16:36:29 +0200 |
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committer | Stefan Roese <sr@denx.de> | 2007-08-14 16:36:29 +0200 |
commit | 3b3bff4cbf2cb14f9a3e7d03f26ebab900efe4ae (patch) | |
tree | fb66bf8861d9f78765160d734a438856f5317cdb /board/mpc8360emds | |
parent | 4ce846ec59f36b85d6644a769690ad3feb667575 (diff) | |
parent | 4ef35e53c693556c54b0c22d6f873de87bade253 (diff) | |
download | u-boot-imx-3b3bff4cbf2cb14f9a3e7d03f26ebab900efe4ae.zip u-boot-imx-3b3bff4cbf2cb14f9a3e7d03f26ebab900efe4ae.tar.gz u-boot-imx-3b3bff4cbf2cb14f9a3e7d03f26ebab900efe4ae.tar.bz2 |
Merge with git://www.denx.de/git/u-boot.git
Diffstat (limited to 'board/mpc8360emds')
-rw-r--r-- | board/mpc8360emds/mpc8360emds.c | 389 | ||||
-rw-r--r-- | board/mpc8360emds/pci.c | 22 | ||||
-rw-r--r-- | board/mpc8360emds/u-boot.lds | 123 |
3 files changed, 16 insertions, 518 deletions
diff --git a/board/mpc8360emds/mpc8360emds.c b/board/mpc8360emds/mpc8360emds.c index 562eb8b..3fa093d 100644 --- a/board/mpc8360emds/mpc8360emds.c +++ b/board/mpc8360emds/mpc8360emds.c @@ -1,8 +1,6 @@ /* * Copyright (C) 2006 Freescale Semiconductor, Inc. - * * Dave Liu <daveliu@freescale.com> - * based on board/mpc8349emds/mpc8349emds.c * * See file CREDITS for list of people who contributed to this * project. @@ -19,7 +17,6 @@ #include <i2c.h> #include <spd.h> #include <miiphy.h> -#include <command.h> #if defined(CONFIG_PCI) #include <pci.h> #endif @@ -30,8 +27,7 @@ #endif #if defined(CONFIG_OF_FLAT_TREE) #include <ft_build.h> -#endif -#if defined(CONFIG_OF_LIBFDT) +#elif defined(CONFIG_OF_LIBFDT) #include <libfdt.h> #include <libfdt_env.h> #endif @@ -103,7 +99,9 @@ int board_early_init_f(void) /* Disable G1TXCLK, G2TXCLK h/w buffers (rev.2 h/w bug workaround) */ if (immr->sysconf.spridr == SPR_8360_REV20 || - immr->sysconf.spridr == SPR_8360E_REV20) + immr->sysconf.spridr == SPR_8360E_REV20 || + immr->sysconf.spridr == SPR_8360_REV21 || + immr->sysconf.spridr == SPR_8360E_REV21) bcsr[0xe] = 0x30; return 0; @@ -287,381 +285,6 @@ void sdram_init(void) } #endif -#if defined(CONFIG_DDR_ECC) && defined(CONFIG_DDR_ECC_CMD) -/* - * ECC user commands - */ -void ecc_print_status(void) -{ - volatile immap_t *immap = (immap_t *) CFG_IMMR; - volatile ddr83xx_t *ddr = &immap->ddr; - - printf("\nECC mode: %s\n\n", - (ddr->sdram_cfg & SDRAM_CFG_ECC_EN) ? "ON" : "OFF"); - - /* Interrupts */ - printf("Memory Error Interrupt Enable:\n"); - printf(" Multiple-Bit Error Interrupt Enable: %d\n", - (ddr->err_int_en & ECC_ERR_INT_EN_MBEE) ? 1 : 0); - printf(" Single-Bit Error Interrupt Enable: %d\n", - (ddr->err_int_en & ECC_ERR_INT_EN_SBEE) ? 1 : 0); - printf(" Memory Select Error Interrupt Enable: %d\n\n", - (ddr->err_int_en & ECC_ERR_INT_EN_MSEE) ? 1 : 0); - - /* Error disable */ - printf("Memory Error Disable:\n"); - printf(" Multiple-Bit Error Disable: %d\n", - (ddr->err_disable & ECC_ERROR_DISABLE_MBED) ? 1 : 0); - printf(" Sinle-Bit Error Disable: %d\n", - (ddr->err_disable & ECC_ERROR_DISABLE_SBED) ? 1 : 0); - printf(" Memory Select Error Disable: %d\n\n", - (ddr->err_disable & ECC_ERROR_DISABLE_MSED) ? 1 : 0); - - /* Error injection */ - printf("Memory Data Path Error Injection Mask High/Low: %08lx %08lx\n", - ddr->data_err_inject_hi, ddr->data_err_inject_lo); - - printf("Memory Data Path Error Injection Mask ECC:\n"); - printf(" ECC Mirror Byte: %d\n", - (ddr->ecc_err_inject & ECC_ERR_INJECT_EMB) ? 1 : 0); - printf(" ECC Injection Enable: %d\n", - (ddr->ecc_err_inject & ECC_ERR_INJECT_EIEN) ? 1 : 0); - printf(" ECC Error Injection Mask: 0x%02x\n\n", - ddr->ecc_err_inject & ECC_ERR_INJECT_EEIM); - - /* SBE counter/threshold */ - printf("Memory Single-Bit Error Management (0..255):\n"); - printf(" Single-Bit Error Threshold: %d\n", - (ddr->err_sbe & ECC_ERROR_MAN_SBET) >> ECC_ERROR_MAN_SBET_SHIFT); - printf(" Single-Bit Error Counter: %d\n\n", - (ddr->err_sbe & ECC_ERROR_MAN_SBEC) >> ECC_ERROR_MAN_SBEC_SHIFT); - - /* Error detect */ - printf("Memory Error Detect:\n"); - printf(" Multiple Memory Errors: %d\n", - (ddr->err_detect & ECC_ERROR_DETECT_MME) ? 1 : 0); - printf(" Multiple-Bit Error: %d\n", - (ddr->err_detect & ECC_ERROR_DETECT_MBE) ? 1 : 0); - printf(" Single-Bit Error: %d\n", - (ddr->err_detect & ECC_ERROR_DETECT_SBE) ? 1 : 0); - printf(" Memory Select Error: %d\n\n", - (ddr->err_detect & ECC_ERROR_DETECT_MSE) ? 1 : 0); - - /* Capture data */ - printf("Memory Error Address Capture: 0x%08lx\n", ddr->capture_address); - printf("Memory Data Path Read Capture High/Low: %08lx %08lx\n", - ddr->capture_data_hi, ddr->capture_data_lo); - printf("Memory Data Path Read Capture ECC: 0x%02x\n\n", - ddr->capture_ecc & CAPTURE_ECC_ECE); - - printf("Memory Error Attributes Capture:\n"); - printf(" Data Beat Number: %d\n", - (ddr->capture_attributes & ECC_CAPT_ATTR_BNUM) >> - ECC_CAPT_ATTR_BNUM_SHIFT); - printf(" Transaction Size: %d\n", - (ddr->capture_attributes & ECC_CAPT_ATTR_TSIZ) >> - ECC_CAPT_ATTR_TSIZ_SHIFT); - printf(" Transaction Source: %d\n", - (ddr->capture_attributes & ECC_CAPT_ATTR_TSRC) >> - ECC_CAPT_ATTR_TSRC_SHIFT); - printf(" Transaction Type: %d\n", - (ddr->capture_attributes & ECC_CAPT_ATTR_TTYP) >> - ECC_CAPT_ATTR_TTYP_SHIFT); - printf(" Error Information Valid: %d\n\n", - ddr->capture_attributes & ECC_CAPT_ATTR_VLD); -} - -int do_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) -{ - volatile immap_t *immap = (immap_t *) CFG_IMMR; - volatile ddr83xx_t *ddr = &immap->ddr; - volatile u32 val; - u64 *addr; - u32 count; - register u64 *i; - u32 ret[2]; - u32 pattern[2]; - u32 writeback[2]; - - /* The pattern is written into memory to generate error */ - pattern[0] = 0xfedcba98UL; - pattern[1] = 0x76543210UL; - - /* After injecting error, re-initialize the memory with the value */ - writeback[0] = 0x01234567UL; - writeback[1] = 0x89abcdefUL; - - if (argc > 4) { - printf("Usage:\n%s\n", cmdtp->usage); - return 1; - } - - if (argc == 2) { - if (strcmp(argv[1], "status") == 0) { - ecc_print_status(); - return 0; - } else if (strcmp(argv[1], "captureclear") == 0) { - ddr->capture_address = 0; - ddr->capture_data_hi = 0; - ddr->capture_data_lo = 0; - ddr->capture_ecc = 0; - ddr->capture_attributes = 0; - return 0; - } - } - if (argc == 3) { - if (strcmp(argv[1], "sbecnt") == 0) { - val = simple_strtoul(argv[2], NULL, 10); - if (val > 255) { - printf("Incorrect Counter value, " - "should be 0..255\n"); - return 1; - } - - val = (val << ECC_ERROR_MAN_SBEC_SHIFT); - val |= (ddr->err_sbe & ECC_ERROR_MAN_SBET); - - ddr->err_sbe = val; - return 0; - } else if (strcmp(argv[1], "sbethr") == 0) { - val = simple_strtoul(argv[2], NULL, 10); - if (val > 255) { - printf("Incorrect Counter value, " - "should be 0..255\n"); - return 1; - } - - val = (val << ECC_ERROR_MAN_SBET_SHIFT); - val |= (ddr->err_sbe & ECC_ERROR_MAN_SBEC); - - ddr->err_sbe = val; - return 0; - } else if (strcmp(argv[1], "errdisable") == 0) { - val = ddr->err_disable; - - if (strcmp(argv[2], "+sbe") == 0) { - val |= ECC_ERROR_DISABLE_SBED; - } else if (strcmp(argv[2], "+mbe") == 0) { - val |= ECC_ERROR_DISABLE_MBED; - } else if (strcmp(argv[2], "+mse") == 0) { - val |= ECC_ERROR_DISABLE_MSED; - } else if (strcmp(argv[2], "+all") == 0) { - val |= (ECC_ERROR_DISABLE_SBED | - ECC_ERROR_DISABLE_MBED | - ECC_ERROR_DISABLE_MSED); - } else if (strcmp(argv[2], "-sbe") == 0) { - val &= ~ECC_ERROR_DISABLE_SBED; - } else if (strcmp(argv[2], "-mbe") == 0) { - val &= ~ECC_ERROR_DISABLE_MBED; - } else if (strcmp(argv[2], "-mse") == 0) { - val &= ~ECC_ERROR_DISABLE_MSED; - } else if (strcmp(argv[2], "-all") == 0) { - val &= ~(ECC_ERROR_DISABLE_SBED | - ECC_ERROR_DISABLE_MBED | - ECC_ERROR_DISABLE_MSED); - } else { - printf("Incorrect err_disable field\n"); - return 1; - } - - ddr->err_disable = val; - __asm__ __volatile__("sync"); - __asm__ __volatile__("isync"); - return 0; - } else if (strcmp(argv[1], "errdetectclr") == 0) { - val = ddr->err_detect; - - if (strcmp(argv[2], "mme") == 0) { - val |= ECC_ERROR_DETECT_MME; - } else if (strcmp(argv[2], "sbe") == 0) { - val |= ECC_ERROR_DETECT_SBE; - } else if (strcmp(argv[2], "mbe") == 0) { - val |= ECC_ERROR_DETECT_MBE; - } else if (strcmp(argv[2], "mse") == 0) { - val |= ECC_ERROR_DETECT_MSE; - } else if (strcmp(argv[2], "all") == 0) { - val |= (ECC_ERROR_DETECT_MME | - ECC_ERROR_DETECT_MBE | - ECC_ERROR_DETECT_SBE | - ECC_ERROR_DETECT_MSE); - } else { - printf("Incorrect err_detect field\n"); - return 1; - } - - ddr->err_detect = val; - return 0; - } else if (strcmp(argv[1], "injectdatahi") == 0) { - val = simple_strtoul(argv[2], NULL, 16); - - ddr->data_err_inject_hi = val; - return 0; - } else if (strcmp(argv[1], "injectdatalo") == 0) { - val = simple_strtoul(argv[2], NULL, 16); - - ddr->data_err_inject_lo = val; - return 0; - } else if (strcmp(argv[1], "injectecc") == 0) { - val = simple_strtoul(argv[2], NULL, 16); - if (val > 0xff) { - printf("Incorrect ECC inject mask, " - "should be 0x00..0xff\n"); - return 1; - } - val |= (ddr->ecc_err_inject & ~ECC_ERR_INJECT_EEIM); - - ddr->ecc_err_inject = val; - return 0; - } else if (strcmp(argv[1], "inject") == 0) { - val = ddr->ecc_err_inject; - - if (strcmp(argv[2], "en") == 0) - val |= ECC_ERR_INJECT_EIEN; - else if (strcmp(argv[2], "dis") == 0) - val &= ~ECC_ERR_INJECT_EIEN; - else - printf("Incorrect command\n"); - - ddr->ecc_err_inject = val; - __asm__ __volatile__("sync"); - __asm__ __volatile__("isync"); - return 0; - } else if (strcmp(argv[1], "mirror") == 0) { - val = ddr->ecc_err_inject; - - if (strcmp(argv[2], "en") == 0) - val |= ECC_ERR_INJECT_EMB; - else if (strcmp(argv[2], "dis") == 0) - val &= ~ECC_ERR_INJECT_EMB; - else - printf("Incorrect command\n"); - - ddr->ecc_err_inject = val; - return 0; - } - } - if (argc == 4) { - if (strcmp(argv[1], "testdw") == 0) { - addr = (u64 *) simple_strtoul(argv[2], NULL, 16); - count = simple_strtoul(argv[3], NULL, 16); - - if ((u32) addr % 8) { - printf("Address not alligned on " - "double word boundary\n"); - return 1; - } - disable_interrupts(); - - for (i = addr; i < addr + count; i++) { - - /* enable injects */ - ddr->ecc_err_inject |= ECC_ERR_INJECT_EIEN; - __asm__ __volatile__("sync"); - __asm__ __volatile__("isync"); - - /* write memory location injecting errors */ - ppcDWstore((u32 *) i, pattern); - __asm__ __volatile__("sync"); - - /* disable injects */ - ddr->ecc_err_inject &= ~ECC_ERR_INJECT_EIEN; - __asm__ __volatile__("sync"); - __asm__ __volatile__("isync"); - - /* read data, this generates ECC error */ - ppcDWload((u32 *) i, ret); - __asm__ __volatile__("sync"); - - /* re-initialize memory, double word write the location again, - * generates new ECC code this time */ - ppcDWstore((u32 *) i, writeback); - __asm__ __volatile__("sync"); - } - enable_interrupts(); - return 0; - } - if (strcmp(argv[1], "testword") == 0) { - addr = (u64 *) simple_strtoul(argv[2], NULL, 16); - count = simple_strtoul(argv[3], NULL, 16); - - if ((u32) addr % 8) { - printf("Address not alligned on " - "double word boundary\n"); - return 1; - } - disable_interrupts(); - - for (i = addr; i < addr + count; i++) { - - /* enable injects */ - ddr->ecc_err_inject |= ECC_ERR_INJECT_EIEN; - __asm__ __volatile__("sync"); - __asm__ __volatile__("isync"); - - /* write memory location injecting errors */ - *(u32 *) i = 0xfedcba98UL; - __asm__ __volatile__("sync"); - - /* sub double word write, - * bus will read-modify-write, - * generates ECC error */ - *((u32 *) i + 1) = 0x76543210UL; - __asm__ __volatile__("sync"); - - /* disable injects */ - ddr->ecc_err_inject &= ~ECC_ERR_INJECT_EIEN; - __asm__ __volatile__("sync"); - __asm__ __volatile__("isync"); - - /* re-initialize memory, - * double word write the location again, - * generates new ECC code this time */ - ppcDWstore((u32 *) i, writeback); - __asm__ __volatile__("sync"); - } - enable_interrupts(); - return 0; - } - } - printf("Usage:\n%s\n", cmdtp->usage); - return 1; -} - -U_BOOT_CMD(ecc, 4, 0, do_ecc, - "ecc - support for DDR ECC features\n", - "status - print out status info\n" - "ecc captureclear - clear capture regs data\n" - "ecc sbecnt <val> - set Single-Bit Error counter\n" - "ecc sbethr <val> - set Single-Bit Threshold\n" - "ecc errdisable <flag> - clear/set disable Memory Error Disable, flag:\n" - " [-|+]sbe - Single-Bit Error\n" - " [-|+]mbe - Multiple-Bit Error\n" - " [-|+]mse - Memory Select Error\n" - " [-|+]all - all errors\n" - "ecc errdetectclr <flag> - clear Memory Error Detect, flag:\n" - " mme - Multiple Memory Errors\n" - " sbe - Single-Bit Error\n" - " mbe - Multiple-Bit Error\n" - " mse - Memory Select Error\n" - " all - all errors\n" - "ecc injectdatahi <hi> - set Memory Data Path Error Injection Mask High\n" - "ecc injectdatalo <lo> - set Memory Data Path Error Injection Mask Low\n" - "ecc injectecc <ecc> - set ECC Error Injection Mask\n" - "ecc inject <en|dis> - enable/disable error injection\n" - "ecc mirror <en|dis> - enable/disable mirror byte\n" - "ecc testdw <addr> <cnt> - test mem region with double word access:\n" - " - enables injects\n" - " - writes pattern injecting errors with double word access\n" - " - disables injects\n" - " - reads pattern back with double word access, generates error\n" - " - re-inits memory\n" - "ecc testword <addr> <cnt> - test mem region with word access:\n" - " - enables injects\n" - " - writes pattern injecting errors with word access\n" - " - writes pattern with word access, generates error\n" - " - disables injects\n" " - re-inits memory"); -#endif /* if defined(CONFIG_DDR_ECC) && defined(CONFIG_DDR_ECC_CMD) */ - #if (defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)) \ && defined(CONFIG_OF_BOARD_SETUP) @@ -681,11 +304,11 @@ ft_board_setup(void *blob, bd_t *bd) int nodeoffset; int tmp[2]; - nodeoffset = fdt_path_offset (fdt, "/memory"); + nodeoffset = fdt_find_node_by_path(blob, "/memory"); if (nodeoffset >= 0) { tmp[0] = cpu_to_be32(bd->bi_memstart); tmp[1] = cpu_to_be32(bd->bi_memsize); - fdt_setprop(fdt, nodeoffset, "reg", tmp, sizeof(tmp)); + fdt_setprop(blob, nodeoffset, "reg", tmp, sizeof(tmp)); } #else u32 *p; diff --git a/board/mpc8360emds/pci.c b/board/mpc8360emds/pci.c index 158effe..8f90471 100644 --- a/board/mpc8360emds/pci.c +++ b/board/mpc8360emds/pci.c @@ -20,8 +20,7 @@ #include <i2c.h> #if defined(CONFIG_OF_FLAT_TREE) #include <ft_build.h> -#endif -#if defined(CONFIG_OF_LIBFDT) +#elif defined(CONFIG_OF_LIBFDT) #include <libfdt.h> #include <libfdt_env.h> #endif @@ -207,7 +206,7 @@ void pci_init_board(void) /* Switch temporarily to I2C bus #2 */ orig_i2c_bus = i2c_get_bus_num(); - i2c_set_bus_num(1); + i2c_set_bus_num(1); val8 = 0; i2c_write(0x23, 0x6, 1, &val8, 1); @@ -311,26 +310,25 @@ ft_pci_setup(void *blob, bd_t *bd) int err; int tmp[2]; - nodeoffset = fdt_path_offset (fdt, "/" OF_SOC "/pci@8500"); + nodeoffset = fdt_find_node_by_path(blob, "/" OF_SOC "/pci@8500"); if (nodeoffset >= 0) { tmp[0] = cpu_to_be32(hose[0].first_busno); tmp[1] = cpu_to_be32(hose[0].last_busno); - err = fdt_setprop(fdt, nodeoffset, "bus-range", tmp, sizeof(tmp)); + err = fdt_setprop(blob, nodeoffset, "bus-range", tmp, sizeof(tmp)); } } -#endif /* CONFIG_OF_LIBFDT */ -#ifdef CONFIG_OF_FLAT_TREE +#elif defined(CONFIG_OF_FLAT_TREE) void ft_pci_setup(void *blob, bd_t *bd) { - u32 *p; - int len; + u32 *p; + int len; - p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8500/bus-range", &len); - if (p != NULL) { + p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8500/bus-range", &len); + if (p != NULL) { p[0] = hose[0].first_busno; p[1] = hose[0].last_busno; - } + } } #endif /* CONFIG_OF_FLAT_TREE */ #endif /* CONFIG_PCI */ diff --git a/board/mpc8360emds/u-boot.lds b/board/mpc8360emds/u-boot.lds deleted file mode 100644 index 937c87a..0000000 --- a/board/mpc8360emds/u-boot.lds +++ /dev/null @@ -1,123 +0,0 @@ -/* - * (C) Copyright 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 - */ - -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/mpc83xx/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) |