added boot script files to repository

3 files changed, 278 insertions, 0 deletions

diff --git a/u-boot/board/ep88x/Makefile b/u-boot/board/ep88x/Makefile
new file mode 100644
index 0000000..70205f1
--- /dev/null
+++ b/u-boot/board/ep88x/Makefile
@@ -0,0 +1,53 @@
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Copyright (C) 2004 Arabella Software Ltd.
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS	:= $(BOARD).o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/board/ep88x/ep88x.c b/u-boot/board/ep88x/ep88x.c
new file mode 100644
index 0000000..7e95007
--- /dev/null
+++ b/u-boot/board/ep88x/ep88x.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2005 Arabella Software Ltd.
+ * Yuli Barcohen <yuli@arabellasw.com>
+ *
+ * Support for Embedded Planet EP88x boards.
+ * Tested on EP88xC with MPC885 CPU, 64MB SDRAM and 16MB flash.
+ *
+ * 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 <mpc8xx.h>
+
+/*
+ * SDRAM uses two Micron chips.
+ * Minimal CPU frequency is 40MHz.
+ */
+static uint sdram_table[] = {
+	/* Single read	(offset 0x00 in UPM RAM) */
+	0xEFCBCC04, 0x0F37C804, 0x0EEEC004, 0x01B98404,
+	0x1FF74C00, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+
+	/* Burst read	(offset 0x08 in UPM RAM) */
+	0xEFCBCC04, 0x0F37C804, 0x0EEEC004, 0x00BDC404,
+	0x00FFCC00, 0x00FFCC00, 0x01FB8C00, 0x1FF74C00,
+	0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+	0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+
+	/* Single write (offset 0x18 in UPM RAM) */
+	0xEFCBCC04, 0x0F37C804, 0x0EEE8002, 0x01B90404,
+	0x1FF74C05, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+
+	/* Burst write	(offset 0x20 in UPM RAM) */
+	0xEFCBCC04, 0x0F37C804, 0x0EEE8000, 0x00BD4400,
+	0x00FFCC00, 0x00FFCC02, 0x01FB8C04, 0x1FF74C05,
+	0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+	0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05, 0xFFFFCC05,
+
+	/* Refresh	(offset 0x30 in UPM RAM) */
+	0xEFFACC04, 0x0FF5CC04, 0x0FFFCC04, 0x1FFFCC04,
+	0xFFFFCC05, 0xFFFFCC05, 0xEFFB8C34, 0x0FF74C34,
+	0x0FFACCB4, 0x0FF5CC34, 0x0FFFC034, 0x0FFFC0B4,
+
+	/* Exception	(offset 0x3C in UPM RAM) */
+	0x0FEA8034, 0x1FB54034,	0xFFFFCC34, 0xFFFFCC05
+};
+
+int board_early_init_f (void)
+{
+	vu_char *bcsr = (vu_char *)CONFIG_SYS_BCSR;
+
+	bcsr[0] |= 0x0C; /* Turn the LEDs off */
+	bcsr[2] |= 0x08; /* Enable flash WE# line - necessary for
+			    flash detection by CFI driver
+			 */
+
+#if defined(CONFIG_8xx_CONS_SMC1)
+	bcsr[6] |= 0x10; /* Enables RS-232 transceiver */
+#endif
+#if defined(CONFIG_8xx_CONS_SCC2)
+	bcsr[7] |= 0x10; /* Enables RS-232 transceiver */
+#endif
+#ifdef CONFIG_ETHER_ON_FEC1
+	bcsr[8] |= 0xC0; /* Enable Ethernet 1 PHY */
+#endif
+#ifdef CONFIG_ETHER_ON_FEC2
+	bcsr[8] |= 0x30; /* Enable Ethernet 2 PHY */
+#endif
+
+	return 0;
+}
+
+phys_size_t initdram (int board_type)
+{
+	long int msize;
+	volatile immap_t     *immap  = (volatile immap_t *)CONFIG_SYS_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+	upmconfig(UPMA, sdram_table, sizeof(sdram_table) / sizeof(uint));
+
+	/* Configure SDRAM refresh */
+	memctl->memc_mptpr = MPTPR_PTP_DIV2; /* BRGCLK/2 */
+
+	memctl->memc_mamr = (65 << 24) | CONFIG_SYS_MAMR; /* No refresh */
+	udelay(100);
+
+	/* Run MRS pattern from location 0x36 */
+	memctl->memc_mar = 0x88;
+	memctl->memc_mcr = 0x80002236;
+	udelay(100);
+
+	memctl->memc_mamr |=  MAMR_PTAE; /* Enable refresh */
+	memctl->memc_or1   = ~(CONFIG_SYS_SDRAM_MAX_SIZE - 1) | OR_CSNT_SAM;
+	memctl->memc_br1   =  CONFIG_SYS_SDRAM_BASE | BR_PS_32 | BR_MS_UPMA | BR_V;
+
+	msize = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_SDRAM_MAX_SIZE);
+	memctl->memc_or1  |= ~(msize - 1);
+
+	return msize;
+}
+
+int checkboard( void )
+{
+	vu_char *bcsr = (vu_char *)CONFIG_SYS_BCSR;
+
+	puts("Board: ");
+	switch (bcsr[15]) {
+	case 0xE7:
+		puts("EP88xC 1.0");
+		break;
+	default:
+		printf("unknown ID=%02X", bcsr[15]);
+	}
+	printf("  CPLD revision %d\n", bcsr[14]);
+
+	return 0;
+}
diff --git a/u-boot/board/ep88x/u-boot.lds b/u-boot/board/ep88x/u-boot.lds
new file mode 100644
index 0000000..851348e
--- /dev/null
+++ b/u-boot/board/ep88x/u-boot.lds
@@ -0,0 +1,92 @@
+/*
+ * (C) Copyright 2001-2010
+ * 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;
+  .text          :
+  {
+    arch/powerpc/cpu/mpc8xx/start.o	(.text*)
+    arch/powerpc/cpu/mpc8xx/traps.o	(.text*)
+    *(.text*)
+    . = ALIGN(16);
+    *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+  }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x0FFF) & 0xFFFFF000;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    KEEP(*(.got))
+    _GOT2_TABLE_ = .;
+    KEEP(*(.got2))
+    _FIXUP_TABLE_ = .;
+    KEEP(*(.fixup))
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+  __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+  .data    :
+  {
+    *(.data*)
+    *(.sdata*)
+  }
+  _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 (NOLOAD)       :
+  {
+   *(.bss*)
+   *(.sbss*)
+   *(COMMON)
+   . = ALIGN(4);
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
+ENTRY(_start)