esd CPCI2DP board added

Patch by Matthias Fuchs, 22 Sep 2005

5 files changed, 522 insertions, 0 deletions

diff --git a/board/esd/cpci2dp/Makefile b/board/esd/cpci2dp/Makefile
new file mode 100644
index 0000000..b067432
--- /dev/null
+++ b/board/esd/cpci2dp/Makefile
@@ -0,0 +1,46 @@
+#
+# (C) Copyright 2000
+# 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 $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o flash.o ../common/misc.o 
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/esd/cpci2dp/config.mk b/board/esd/cpci2dp/config.mk
new file mode 100644
index 0000000..2da4c9f
--- /dev/null
+++ b/board/esd/cpci2dp/config.mk
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2000
+# 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
+#
+
+#
+# esd CPCI2DP board
+#
+
+TEXT_BASE = 0xFFFC0000
diff --git a/board/esd/cpci2dp/cpci2dp.c b/board/esd/cpci2dp/cpci2dp.c
new file mode 100644
index 0000000..0949a7d
--- /dev/null
+++ b/board/esd/cpci2dp/cpci2dp.c
@@ -0,0 +1,215 @@
+/*
+ * (C) Copyright 2005
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.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
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <command.h>
+#include <malloc.h>
+
+int board_early_init_f (void)
+{
+	unsigned long cntrl0Reg;
+
+	/*
+	 * Setup GPIO pins (CS4 as GPIO)
+	 */
+	cntrl0Reg = mfdcr(cntrl0);
+	mtdcr(cntrl0, cntrl0Reg | 0x00800000);
+
+	out32(GPIO0_OR,  CFG_INTA_FAKE | CFG_EEPROM_WP); /* set output pins to high */
+	out32(GPIO0_ODR, CFG_INTA_FAKE);                 /* INTA# is open drain */
+	out32(GPIO0_TCR, CFG_INTA_FAKE | CFG_EEPROM_WP); /* setup for output        */
+
+	/*
+	 * IRQ 0-15  405GP internally generated; active high; level sensitive
+	 * IRQ 16    405GP internally generated; active low; level sensitive
+	 * IRQ 17-24 RESERVED
+	 * IRQ 25 (EXT IRQ 0) PB0; active low; level sensitive
+	 * IRQ 26 (EXT IRQ 1) PB1; active low; level sensitive
+	 * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive
+	 * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive
+	 * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
+	 * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive
+	 * 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, 0xFFFFFF81);       /* set int polarities */
+
+	mtdcr(uictr, 0x10000000);       /* set int trigger levels */
+	mtdcr(uicvcr, 0x00000001);      /* set vect base=0,INT0 highest priority*/
+	mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
+
+	return 0;
+}
+
+
+int misc_init_f (void)
+{
+	return 0;  /* dummy implementation */
+}
+
+
+int misc_init_r (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+	unsigned long cntrl0Reg;
+
+	/* adjust flash start and offset */
+	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+	gd->bd->bi_flashoffset = 0;
+
+	/*
+	 * Select cts (and not dsr) on uart1
+	 */
+	cntrl0Reg = mfdcr(cntrl0);
+	mtdcr(cntrl0, cntrl0Reg | 0x00001000);
+
+	return (0);
+}
+
+
+/*
+ * Check Board Identity:
+ */
+int checkboard (void)
+{
+	unsigned char str[64];
+	int i = getenv_r ("serial#", str, sizeof(str));
+
+	puts ("Board: ");
+
+	if (i == -1) {
+		puts ("### No HW ID - assuming CPCI2DP");
+	} else {
+		puts(str);
+	}
+
+	printf(" (Ver 1.0)");
+
+	putc ('\n');
+
+	return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+	unsigned long val;
+
+	mtdcr(memcfga, mem_mb0cf);
+	val = mfdcr(memcfgd);
+
+	return (4*1024*1024 << ((val & 0x000e0000) >> 17));
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+	/* TODO: XXX XXX XXX */
+	printf ("test: 64 MB - ok\n");
+
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+#if defined(CFG_EEPROM_WREN)
+/* Input: <dev_addr>  I2C address of EEPROM device to enable.
+ *         <state>     -1: deliver current state
+ *	               0: disable write
+ *		       1: enable write
+ *  Returns:           -1: wrong device address
+ *                      0: dis-/en- able done
+ *		     0/1: current state if <state> was -1.
+ */
+int eeprom_write_enable (unsigned dev_addr, int state) {
+	if (CFG_I2C_EEPROM_ADDR != dev_addr) {
+		return -1;
+	}
+	else {
+		switch (state) {
+		case 1:
+			/* Enable write access, clear bit GPIO_SINT2. */
+			out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_EEPROM_WP);
+			state = 0;
+			break;
+		case 0:
+			/* Disable write access, set bit GPIO_SINT2. */
+			out32(GPIO0_OR, in32(GPIO0_OR) | CFG_EEPROM_WP);
+			state = 0;
+			break;
+		default:
+			/* Read current status back. */
+			state = (0 == (in32(GPIO0_OR) & CFG_EEPROM_WP));
+			break;
+		}
+	}
+	return state;
+}
+#endif
+
+#if defined(CFG_EEPROM_WREN)
+int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int query = argc == 1;
+	int state = 0;
+
+	if (query) {
+		/* Query write access state. */
+		state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, -1);
+		if (state < 0) {
+			puts ("Query of write access state failed.\n");
+		}
+		else {
+			printf ("Write access for device 0x%0x is %sabled.\n",
+				CFG_I2C_EEPROM_ADDR, state ? "en" : "dis");
+			state = 0;
+		}
+	}
+	else {
+		if ('0' == argv[1][0]) {
+			/* Disable write access. */
+			state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, 0);
+		}
+		else {
+			/* Enable write access. */
+			state = eeprom_write_enable (CFG_I2C_EEPROM_ADDR, 1);
+		}
+		if (state < 0) {
+			puts ("Setup of write access state failed.\n");
+		}
+	}
+
+	return state;
+}
+
+U_BOOT_CMD(
+	   eepwren,	2,	0,	do_eep_wren,
+	   "eepwren - Enable / disable / query EEPROM write access\n",
+	   NULL
+	   );
+#endif /* #if defined(CFG_EEPROM_WREN) */
diff --git a/board/esd/cpci2dp/flash.c b/board/esd/cpci2dp/flash.c
new file mode 100644
index 0000000..de847f9
--- /dev/null
+++ b/board/esd/cpci2dp/flash.c
@@ -0,0 +1,84 @@
+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+
+/*
+ * include common flash code (for esd boards)
+ */
+#include "../common/flash.c"
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static void flash_get_offsets (ulong base, flash_info_t *info);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+	unsigned long size_b0;
+	int i;
+	uint pbcr;
+	unsigned long base_b0;
+
+	/* Init: no FLASHes known */
+	for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+	}
+
+	/* Static FLASH Bank configuration here - FIXME XXX */
+
+	size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
+
+	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+		printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+			size_b0, size_b0<<20);
+	}
+
+	/* Setup offsets */
+	flash_get_offsets (-size_b0, &flash_info[0]);
+
+	/* Re-do sizing to get full correct info */
+	mtdcr(ebccfga, pb0cr);
+	pbcr = mfdcr(ebccfgd);
+	mtdcr(ebccfga, pb0cr);
+	base_b0 = -size_b0;
+	pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17);
+	mtdcr(ebccfgd, pbcr);
+	/*          printf("pb1cr = %x\n", pbcr); */
+
+	/* Monitor protection ON by default */
+	(void)flash_protect(FLAG_PROTECT_SET,
+			    -monitor_flash_len,
+			    0xffffffff,
+			    &flash_info[0]);
+
+	flash_info[0].size = size_b0;
+
+	return (size_b0);
+}
diff --git a/board/esd/cpci2dp/u-boot.lds b/board/esd/cpci2dp/u-boot.lds
new file mode 100644
index 0000000..e672d08
--- /dev/null
+++ b/board/esd/cpci2dp/u-boot.lds
@@ -0,0 +1,149 @@
+/*
+ * (C) Copyright 2000
+ * 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      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/ppc4xx/start.o	(.text)
+    cpu/ppc4xx/traps.o	(.text)
+    cpu/ppc4xx/interrupts.o	(.text)
+    cpu/ppc4xx/serial.o	(.text)
+    cpu/ppc4xx/cpu_init.o	(.text)
+    cpu/ppc4xx/speed.o	(.text)
+    common/dlmalloc.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_ppc/extable.o	(.text)
+    lib_generic/zlib.o		(.text)
+
+/*    . = env_offset;*/
+/*    common/environment.o(.text)*/
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+  }
+  .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 = .);
+}