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authorRicardo Ribalda Delgado <ricardo.ribalda@uam.es>2008-07-21 20:30:07 +0200
committerStefan Roese <sr@denx.de>2008-07-30 11:31:37 +0200
commit01a004313c5ec2d128b611df4c208b1b0d3c3fb4 (patch)
treeafd7f54deab3bbfc92391b40fa7a6de54e161487 /board/xilinx
parent60204d06ed9f8c2a67cc79eb67fd2b1d22bcbc8c (diff)
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ppc4xx: ML507: U-Boot in flash and System ACE
This patch allows booting from FLASH the ML507 board by Xilinx. Previously, U-Boot needed to be loaded from JTAG or a Sytem ACE CF Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@uam.es> Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/xilinx')
-rw-r--r--board/xilinx/ml507/config.mk3
-rw-r--r--board/xilinx/ml507/init.S8
-rw-r--r--board/xilinx/ml507/u-boot-ram.lds (renamed from board/xilinx/ml507/u-boot.lds)14
-rw-r--r--board/xilinx/ml507/u-boot-rom.lds144
-rw-r--r--board/xilinx/ml507/xparameters.h7
5 files changed, 167 insertions, 9 deletions
diff --git a/board/xilinx/ml507/config.mk b/board/xilinx/ml507/config.mk
index 35c52ad..e827e8a 100644
--- a/board/xilinx/ml507/config.mk
+++ b/board/xilinx/ml507/config.mk
@@ -20,5 +20,8 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+ifndef TEXT_BASE
TEXT_BASE = 0x04000000
+endif
diff --git a/board/xilinx/ml507/init.S b/board/xilinx/ml507/init.S
index f54d929..3228a65 100644
--- a/board/xilinx/ml507/init.S
+++ b/board/xilinx/ml507/init.S
@@ -35,13 +35,19 @@ tlbentry(XPAR_UARTLITE_0_BASEADDR, SZ_64K, XPAR_UARTLITE_0_BASEADDR, 0,
/* PIC */
tlbentry(XPAR_INTC_0_BASEADDR, SZ_64K, XPAR_INTC_0_BASEADDR, 0,
AC_R | AC_W | SA_G | SA_I)
+#ifdef XPAR_IIC_EEPROM_BASEADDR
/* I2C */
tlbentry(XPAR_IIC_EEPROM_BASEADDR, SZ_64K, XPAR_IIC_EEPROM_BASEADDR, 0,
AC_R | AC_W | SA_G | SA_I)
+#endif
+#ifdef XPAR_LLTEMAC_0_BASEADDR
/* Net */
tlbentry(XPAR_LLTEMAC_0_BASEADDR, SZ_64K, XPAR_LLTEMAC_0_BASEADDR, 0,
AC_R | AC_W | SA_G | SA_I)
+#endif
+#ifdef XPAR_FLASH_MEM0_BASEADDR
/*Flash*/
tlbentry(XPAR_FLASH_MEM0_BASEADDR, SZ_256M, XPAR_FLASH_MEM0_BASEADDR, 0,
- AC_R | AC_W | SA_G | SA_I)
+ AC_R | AC_W | AC_X | SA_G | SA_I)
+#endif
tlbtab_end
diff --git a/board/xilinx/ml507/u-boot.lds b/board/xilinx/ml507/u-boot-ram.lds
index ef2bdc3..2c98d27 100644
--- a/board/xilinx/ml507/u-boot.lds
+++ b/board/xilinx/ml507/u-boot-ram.lds
@@ -1,8 +1,6 @@
/*
- * (C) Copyright 2000
+ * (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- * 2008:
- * Modified by: Ricardo Ribalda Delgado ricardo.ribalda@uam.es
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -25,8 +23,7 @@
OUTPUT_ARCH(powerpc)
ENTRY(_start_440)
-/* Do we need any of these for elf?
- __DYNAMIC = 0; */
+
SECTIONS
{
/* Read-only sections, merged into text segment: */
@@ -55,6 +52,10 @@ SECTIONS
.plt : { *(.plt) }
.text :
{
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+
*(.text)
*(.fixup)
*(.got1)
@@ -125,6 +126,9 @@ SECTIONS
*(.bss)
*(COMMON)
}
+
+ ppcenv_assert = ASSERT(. < 0xFFFFB000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified.");
+
_end = . ;
PROVIDE (end = .);
}
diff --git a/board/xilinx/ml507/u-boot-rom.lds b/board/xilinx/ml507/u-boot-rom.lds
new file mode 100644
index 0000000..d5da018
--- /dev/null
+++ b/board/xilinx/ml507/u-boot-rom.lds
@@ -0,0 +1,144 @@
+/*
+ * (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)
+ENTRY(_start_440)
+
+SECTIONS
+{
+ .resetvec 0xFFFFFFFC :
+ {
+ *(.resetvec)
+ } = 0xffff
+
+ .bootpg 0xFFFFF000 :
+ {
+ cpu/ppc4xx/start.o (.bootpg)
+ } = 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 */
+
+
+ *(.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 (NOLOAD) :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+
+ ppcenv_assert = ASSERT(. < 0xFFFFB000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified.");
+
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/board/xilinx/ml507/xparameters.h b/board/xilinx/ml507/xparameters.h
index 1542e84..6a8e183 100644
--- a/board/xilinx/ml507/xparameters.h
+++ b/board/xilinx/ml507/xparameters.h
@@ -22,13 +22,14 @@
#define XPARAMETER_H
#define XPAR_DDR2_SDRAM_MEM_BASEADDR 0x00000000
-#define XPAR_INTC_0_BASEADDR 0x81800000
-#define XPAR_UARTLITE_0_BASEADDR 0x84000000
#define XPAR_IIC_EEPROM_BASEADDR 0x81600000
+#define XPAR_INTC_0_BASEADDR 0x81800000
#define XPAR_LLTEMAC_0_BASEADDR 0x81c00000
-#define XPAR_FLASH_MEM0_BASEADDR 0xFC000000
+#define XPAR_UARTLITE_0_BASEADDR 0x84000000
+#define XPAR_FLASH_MEM0_BASEADDR 0xFE000000
#define XPAR_PLB_CLOCK_FREQ_HZ 100000000
#define XPAR_CORE_CLOCK_FREQ_HZ 400000000
#define XPAR_INTC_MAX_NUM_INTR_INPUTS 13
+#define XPAR_UARTLITE_0_BAUDRATE 9600
#endif