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-rw-r--r--board/bf533-ezkit/Makefile2
-rw-r--r--board/bf533-ezkit/config.mk6
-rw-r--r--board/bf533-ezkit/u-boot.lds.S208
3 files changed, 101 insertions, 115 deletions
diff --git a/board/bf533-ezkit/Makefile b/board/bf533-ezkit/Makefile
index e55c1a7..6688095 100644
--- a/board/bf533-ezkit/Makefile
+++ b/board/bf533-ezkit/Makefile
@@ -39,7 +39,7 @@ $(LIB): $(obj).depend $(OBJS) $(SOBJS) u-boot.lds
$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
u-boot.lds: u-boot.lds.S
- $(CPP) $(CPPFLAGS) -P -Ubfin $^ > $@.tmp
+ $(CPP) $(CPPFLAGS) -D__ASSEMBLY__ -P -Ubfin $^ > $@.tmp
mv -f $@.tmp $@
clean:
diff --git a/board/bf533-ezkit/config.mk b/board/bf533-ezkit/config.mk
index f39be5f..de80ffe 100644
--- a/board/bf533-ezkit/config.mk
+++ b/board/bf533-ezkit/config.mk
@@ -20,6 +20,6 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
-# TEXT_BASE should be defined as the MAX_SDRAM Address - 256k bytes
-# 256k is defined as CFG_MONITOR_LEN in ./include/configs/<board>.h
-TEXT_BASE = 0x01FC0000
+
+# This is not actually used for Blackfin boards so do not change it
+#TEXT_BASE = do-not-use-me
diff --git a/board/bf533-ezkit/u-boot.lds.S b/board/bf533-ezkit/u-boot.lds.S
index 9742e02..e4b83d1 100644
--- a/board/bf533-ezkit/u-boot.lds.S
+++ b/board/bf533-ezkit/u-boot.lds.S
@@ -1,7 +1,7 @@
/*
* U-boot - u-boot.lds.S
*
- * Copyright (c) 2005-2007 Analog Device Inc.
+ * Copyright (c) 2005-2008 Analog Device Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -26,127 +26,113 @@
*/
#include <config.h>
+#include <asm/blackfin.h>
+#undef ALIGN
+
+/* If we don't actually load anything into L1 data, this will avoid
+ * a syntax error. If we do actually load something into L1 data,
+ * we'll get a linker memory load error (which is what we'd want).
+ * This is here in the first place so we can quickly test building
+ * for different CPU's which may lack non-cache L1 data.
+ */
+#ifndef L1_DATA_B_SRAM
+# define L1_DATA_B_SRAM CFG_MONITOR_BASE
+# define L1_DATA_B_SRAM_SIZE 0
+#endif
OUTPUT_ARCH(bfin)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
-/* Do we need any of these for elf?
- __DYNAMIC = 0; */
-SECTIONS
+
+/* The 0xC offset is so we don't clobber the tiny LDR jump block. */
+MEMORY
{
- /* 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) }
- . = CFG_MONITOR_BASE;
- .text :
- {
- /* WARNING - the following is hand-optimized to fit within */
- /* the sector before the environment sector. If it throws */
- /* an error during compilation remove an object here to get */
- /* it linked after the configuration sector. */
+ ram : ORIGIN = CFG_MONITOR_BASE, LENGTH = CFG_MONITOR_LEN
+ l1_code : ORIGIN = L1_INST_SRAM+0xC, LENGTH = L1_INST_SRAM_SIZE
+ l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
+}
- cpu/bf533/start.o (.text)
- cpu/bf533/start1.o (.text)
- cpu/bf533/traps.o (.text)
- cpu/bf533/interrupt.o (.text)
- cpu/bf533/serial.o (.text)
- common/dlmalloc.o (.text)
-/* lib_blackfin/bf533_string.o (.text) */
-/* lib_generic/vsprintf.o (.text) */
- lib_generic/crc32.o (.text)
- lib_generic/zlib.o (.text)
- board/bf533-ezkit/bf533-ezkit.o (.text)
+SECTIONS
+{
+ .text :
+ {
+#ifdef ENV_IS_EMBEDDED
+ /* WARNING - the following is hand-optimized to fit within
+ * the sector before the environment sector. If it throws
+ * an error during compilation remove an object here to get
+ * it linked after the configuration sector.
+ */
- . = DEFINED(env_offset) ? env_offset : .;
- common/environment.o (.text)
+ cpu/blackfin/start.o (.text)
+ cpu/blackfin/traps.o (.text)
+ cpu/blackfin/interrupt.o (.text)
+ cpu/blackfin/serial.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_generic/zlib.o (.text)
+ board/bf533-ezkit/bf533-ezkit.o (.text)
- *(.text)
- *(.fixup)
- *(.got1)
- }
- _etext = .;
- PROVIDE (etext = .);
- .rodata :
- {
- *(.rodata)
- *(.rodata1)
- *(.rodata.str1.4)
- }
- .fini : { *(.fini) } =0
- .ctors : { *(.ctors) }
- .dtors : { *(.dtors) }
+ . = DEFINED(env_offset) ? env_offset : .;
+ common/environment.o (.text)
+#endif
- /* 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;
+ *(.text .text.*)
+ } >ram
- .data :
- {
- *(.data)
- *(.data1)
- *(.sdata)
- *(.sdata2)
- *(.dynamic)
- CONSTRUCTORS
- }
- _edata = .;
- PROVIDE (edata = .);
+ .rodata :
+ {
+ . = ALIGN(4);
+ *(.rodata .rodata.*)
+ *(.rodata1)
+ *(.eh_frame)
+ . = ALIGN(4);
+ } >ram
- ___u_boot_cmd_start = .;
- .u_boot_cmd : { *(.u_boot_cmd) }
- ___u_boot_cmd_end = .;
+ .data :
+ {
+ . = ALIGN(256);
+ *(.data .data.*)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ } >ram
+ .u_boot_cmd :
+ {
+ ___u_boot_cmd_start = .;
+ *(.u_boot_cmd)
+ ___u_boot_cmd_end = .;
+ } >ram
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
+ .text_l1 :
+ {
+ . = ALIGN(4);
+ __stext_l1 = .;
+ *(.l1.text)
+ . = ALIGN(4);
+ __etext_l1 = .;
+ } >l1_code AT>ram
+ __stext_l1_lma = LOADADDR(.text_l1);
- . = ALIGN(256);
- __init_begin = .;
- .text.init : { *(.text.init) }
- .data.init : { *(.data.init) }
- . = ALIGN(256);
- __init_end = .;
+ .data_l1 :
+ {
+ . = ALIGN(4);
+ __sdata_l1 = .;
+ *(.l1.data)
+ *(.l1.bss)
+ . = ALIGN(4);
+ __edata_l1 = .;
+ } >l1_data AT>ram
+ __sdata_l1_lma = LOADADDR(.data_l1);
- __bss_start = .;
- .bss :
- {
- *(.sbss) *(.scommon)
- *(.dynbss)
- *(.bss)
- *(COMMON)
- }
- _end = . ;
- PROVIDE (end = .);
+ .bss :
+ {
+ . = ALIGN(4);
+ __bss_start = .;
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss .bss.*)
+ *(COMMON)
+ __bss_end = .;
+ } >ram
}