init commit via android 4.4 uboot

6 files changed, 627 insertions, 0 deletions

diff --git a/board/ep7312/Makefile b/board/ep7312/Makefile
new file mode 100755
index 0000000..c53a3c7
--- /dev/null
+++ b/board/ep7312/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2002
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.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	:= ep7312.o flash.o
+SOBJS	:= lowlevel_init.o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/ep7312/config.mk b/board/ep7312/config.mk
new file mode 100755
index 0000000..0ae16a2
--- /dev/null
+++ b/board/ep7312/config.mk
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2000
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.de>
+#
+# (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
+#
+
+TEXT_BASE = 0xc0f80000
diff --git a/board/ep7312/ep7312.c b/board/ep7312/ep7312.c
new file mode 100755
index 0000000..11eab23
--- /dev/null
+++ b/board/ep7312/ep7312.c
@@ -0,0 +1,59 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.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 <common.h>
+#include <clps7111.h>
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* Activate LED flasher */
+	IO_LEDFLSH = 0x40;
+
+	/* arch number MACH_TYPE_EDB7312 */
+	gd->bd->bi_arch_number = MACH_TYPE_EDB7312;
+
+	/* location of boot parameters */
+	gd->bd->bi_boot_params = 0xc0020100;
+
+	return 0;
+}
+
+int dram_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+	return (0);
+}
diff --git a/board/ep7312/flash.c b/board/ep7312/flash.c
new file mode 100755
index 0000000..272a9e5
--- /dev/null
+++ b/board/ep7312/flash.c
@@ -0,0 +1,341 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.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 <common.h>
+
+#define FLASH_BANK_SIZE 0x1000000
+#define MAIN_SECT_SIZE  0x20000
+
+flash_info_t    flash_info[CFG_MAX_FLASH_BANKS];
+
+
+/*-----------------------------------------------------------------------
+ */
+
+ulong flash_init (void)
+{
+	int i, j;
+	ulong size = 0;
+
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+		ulong flashbase = 0;
+
+		flash_info[i].flash_id =
+				(INTEL_MANUFACT & FLASH_VENDMASK) |
+				(INTEL_ID_28F128J3 & FLASH_TYPEMASK);
+		flash_info[i].size = FLASH_BANK_SIZE;
+		flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
+		memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
+		if (i == 0)
+			flashbase = PHYS_FLASH_1;
+		else
+			panic ("configured too many flash banks!\n");
+		for (j = 0; j < flash_info[i].sector_count; j++) {
+			flash_info[i].start[j] = flashbase + j * MAIN_SECT_SIZE;
+		}
+		size += flash_info[i].size;
+	}
+
+	/* Protect monitor and environment sectors
+	 */
+	flash_protect ( FLAG_PROTECT_SET,
+			CFG_FLASH_BASE,
+			CFG_FLASH_BASE + monitor_flash_len - 1,
+			&flash_info[0]);
+
+	flash_protect ( FLAG_PROTECT_SET,
+			CFG_ENV_ADDR,
+			CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
+
+	return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t * info)
+{
+	int i;
+
+	switch (info->flash_id & FLASH_VENDMASK) {
+	case (INTEL_MANUFACT & FLASH_VENDMASK):
+		printf ("Intel: ");
+		break;
+	default:
+		printf ("Unknown Vendor ");
+		break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case (INTEL_ID_28F128J3 & FLASH_TYPEMASK):
+		printf ("28F128J3 (128Mbit)\n");
+		break;
+	default:
+		printf ("Unknown Chip Type\n");
+		goto Done;
+		break;
+	}
+
+	printf ("  Size: %ld MB in %d Sectors\n",
+			info->size >> 20, info->sector_count);
+
+	printf ("  Sector Start Addresses:");
+	for (i = 0; i < info->sector_count; i++) {
+		if ((i % 5) == 0) {
+			printf ("\n   ");
+		}
+		printf (" %08lX%s", info->start[i],
+				info->protect[i] ? " (RO)" : "     ");
+	}
+	printf ("\n");
+
+Done:	;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+	int flag, prot, sect;
+	int rc = ERR_OK;
+
+	if (info->flash_id == FLASH_UNKNOWN)
+		return ERR_UNKNOWN_FLASH_TYPE;
+
+	if ((s_first < 0) || (s_first > s_last)) {
+		return ERR_INVAL;
+	}
+
+	if ((info->flash_id & FLASH_VENDMASK) !=
+		(INTEL_MANUFACT & FLASH_VENDMASK)) {
+		return ERR_UNKNOWN_FLASH_VENDOR;
+	}
+
+	prot = 0;
+	for (sect = s_first; sect <= s_last; ++sect) {
+		if (info->protect[sect]) {
+			prot++;
+		}
+	}
+	if (prot)
+		return ERR_PROTECTED;
+
+	/*
+	 * Disable interrupts which might cause a timeout
+	 * here. Remember that our exception vectors are
+	 * at address 0 in the flash, and we don't want a
+	 * (ticker) exception to happen while the flash
+	 * chip is in programming mode.
+	 */
+	flag = disable_interrupts ();
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
+
+		printf ("Erasing sector %2d ... ", sect);
+
+		/* arm simple, non interrupt dependent timer */
+		reset_timer_masked ();
+
+		if (info->protect[sect] == 0) {	/* not protected */
+			vu_short *addr = (vu_short *) (info->start[sect]);
+
+			*addr = 0x20;		/* erase setup */
+			*addr = 0xD0;		/* erase confirm */
+
+			while ((*addr & 0x80) != 0x80) {
+				if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+					*addr = 0xB0;	/* suspend erase */
+					*addr = 0xFF;	/* reset to read mode */
+					rc = ERR_TIMOUT;
+					goto outahere;
+				}
+			}
+
+			/* clear status register command */
+			*addr = 0x50;
+			/* reset to read mode */
+			*addr = 0xFF;
+		}
+		printf ("ok.\n");
+	}
+	if (ctrlc ())
+		printf ("User Interrupt!\n");
+
+  outahere:
+
+	/* allow flash to settle - wait 10 ms */
+	udelay_masked (10000);
+
+	if (flag)
+		enable_interrupts ();
+
+	return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash
+ */
+
+static int write_word (flash_info_t * info, ulong dest, ushort data)
+{
+	vu_short *addr = (vu_short *) dest, val;
+	int rc = ERR_OK;
+	int flag;
+
+	/* Check if Flash is (sufficiently) erased
+	 */
+	if ((*addr & data) != data)
+		return ERR_NOT_ERASED;
+
+	/*
+	 * Disable interrupts which might cause a timeout
+	 * here. Remember that our exception vectors are
+	 * at address 0 in the flash, and we don't want a
+	 * (ticker) exception to happen while the flash
+	 * chip is in programming mode.
+	 */
+	flag = disable_interrupts ();
+
+	/* clear status register command */
+	*addr = 0x50;
+
+	/* program set-up command */
+	*addr = 0x40;
+
+	/* latch address/data */
+	*addr = data;
+
+	/* arm simple, non interrupt dependent timer */
+	reset_timer_masked ();
+
+	/* wait while polling the status register */
+	while (((val = *addr) & 0x80) != 0x80) {
+		if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
+			rc = ERR_TIMOUT;
+			/* suspend program command */
+			*addr = 0xB0;
+			goto outahere;
+		}
+	}
+
+	if (val & 0x1A) {			/* check for error */
+		printf ("\nFlash write error %02x at address %08lx\n",
+				(int) val, (unsigned long) dest);
+		if (val & (1 << 3)) {
+			printf ("Voltage range error.\n");
+			rc = ERR_PROG_ERROR;
+			goto outahere;
+		}
+		if (val & (1 << 1)) {
+			printf ("Device protect error.\n");
+			rc = ERR_PROTECTED;
+			goto outahere;
+		}
+		if (val & (1 << 4)) {
+			printf ("Programming error.\n");
+			rc = ERR_PROG_ERROR;
+			goto outahere;
+		}
+		rc = ERR_PROG_ERROR;
+		goto outahere;
+	}
+
+  outahere:
+	/* read array command */
+	*addr = 0xFF;
+
+	if (flag)
+		enable_interrupts ();
+
+	return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash.
+ */
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+	ulong cp, wp;
+	ushort data;
+	int l;
+	int i, rc;
+
+	wp = (addr & ~1);			/* get lower word aligned address */
+
+	/*
+	 * handle unaligned start bytes
+	 */
+	if ((l = addr - wp) != 0) {
+		data = 0;
+		for (i = 0, cp = wp; i < l; ++i, ++cp) {
+			data = (data >> 8) | (*(uchar *) cp << 8);
+		}
+		for (; i < 2 && cnt > 0; ++i) {
+			data = (data >> 8) | (*src++ << 8);
+			--cnt;
+			++cp;
+		}
+		for (; cnt == 0 && i < 2; ++i, ++cp) {
+			data = (data >> 8) | (*(uchar *) cp << 8);
+		}
+
+		if ((rc = write_word (info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp += 2;
+	}
+
+	/*
+	 * handle word aligned part
+	 */
+	while (cnt >= 2) {
+		data = *((vu_short *) src);
+		if ((rc = write_word (info, wp, data)) != 0) {
+			return (rc);
+		}
+		src += 2;
+		wp += 2;
+		cnt -= 2;
+	}
+
+	if (cnt == 0) {
+		return ERR_OK;
+	}
+
+	/*
+	 * handle unaligned tail bytes
+	 */
+	data = 0;
+	for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
+		data = (data >> 8) | (*src++ << 8);
+		--cnt;
+	}
+	for (; i < 2; ++i, ++cp) {
+		data = (data >> 8) | (*(uchar *) cp << 8);
+	}
+
+	return write_word (info, wp, data);
+}
diff --git a/board/ep7312/lowlevel_init.S b/board/ep7312/lowlevel_init.S
new file mode 100755
index 0000000..5dadb31
--- /dev/null
+++ b/board/ep7312/lowlevel_init.S
@@ -0,0 +1,95 @@
+/*
+ * Memory Setup stuff - taken from ???
+ *
+ * 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 <config.h>
+#include <version.h>
+
+
+/* some parameters for the board */
+
+SYSCON1:	.long	0x80000100
+SYSCON2:	.long	0x80001100
+SYSCON3:	.long	0x80002200
+MEMCFG1:	.long	0x80000180
+MEMCFG2:	.long	0x800001C0
+SDCONF:		.long	0x80002300
+SDRFPR:		.long	0x80002340
+
+syscon1_val:	.long	0x00040100
+syscon2_val:	.long	0x00000102
+syscon3_val:	.long	0x0000020E
+memcfg1_val:	.long	0x1f101710
+memcfg2_mask:	.long	0x0000ffff @ only set lower 16 bits
+memcfg2_val:	.long	0x00001f13 @ upper 16 bits are reserved for CS7 + CS6
+sdrfpr_val:	.long	0x00000240
+sdconf_val:	.long	0x00000522
+/* setting up the memory */
+
+.globl lowlevel_init
+lowlevel_init:
+	/*
+	 * SYSCON1-3
+	 */
+	ldr	r0, SYSCON1
+	ldr	r1, syscon1_val
+	str	r1, [r0]
+
+	ldr	r0, SYSCON2
+	ldr	r1, syscon2_val
+	str	r1, [r0]
+
+	ldr	r0, SYSCON3
+	ldr	r1, syscon3_val
+	str	r1, [r0]
+
+	/*
+	 * MEMCFG1
+	 */
+	ldr	r0, MEMCFG1
+	ldr	r1, memcfg1_val
+	str	r1, [r0]
+
+	/*
+	 * MEMCFG2
+	 */
+	ldr	r0, MEMCFG2
+	ldr	r2, [r0]
+	ldr	r1, memcfg2_mask
+	bic	r2, r2, r1
+	ldr	r1, memcfg2_val
+	orr	r2, r2, r1
+	str	r2, [r0]
+
+	/*
+	 * SDRFPR,SDCONF
+	 */
+	ldr	r0, SDCONF
+	ldr	r1, sdconf_val
+	str	r1, [r0]
+
+	ldr	r0, SDRFPR
+	ldr	r1, sdrfpr_val
+	str	r1, [r0]
+
+	/* everything is fine now */
+	mov	pc, lr
diff --git a/board/ep7312/u-boot.lds b/board/ep7312/u-boot.lds
new file mode 100755
index 0000000..1122d75
--- /dev/null
+++ b/board/ep7312/u-boot.lds
@@ -0,0 +1,56 @@
+/*
+ * (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_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text      :
+	{
+	  cpu/arm720t/start.o	(.text)
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data : { *(.data) }
+
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+	. = .;
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	_end = .;
+}