added boot script files to repository

3 files changed, 581 insertions, 0 deletions

diff --git a/u-boot/board/csb226/Makefile b/u-boot/board/csb226/Makefile
new file mode 100644
index 0000000..b10c447
--- /dev/null
+++ b/u-boot/board/csb226/Makefile
@@ -0,0 +1,49 @@
+#
+# (C) Copyright 2000-2006
+# 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	= $(obj)lib$(BOARD).o
+
+COBJS	:= csb226.o flash.o
+
+SRCS	:= $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+clean:
+	rm -f $(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/csb226/csb226.c b/u-boot/board/csb226/csb226.c
new file mode 100644
index 0000000..dd29e62
--- /dev/null
+++ b/u-boot/board/csb226/csb226.c
@@ -0,0 +1,166 @@
+/*
+ * (C) Copyright 2002
+ * Robert Schwebel, Pengutronix, r.schwebel@pengutronix.de
+ * Kyle Harris, Nexus Technologies, Inc., kharris@nexus-tech.net
+ * Marius Groeger, Sysgo Real-Time Solutions GmbH, 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 <netdev.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+# define SHOW_BOOT_PROGRESS(arg)        show_boot_progress(arg)
+#else
+# define SHOW_BOOT_PROGRESS(arg)
+#endif
+
+/**
+ * misc_init_r: - misc initialisation routines
+ */
+
+int misc_init_r(void)
+{
+#if 0
+	uchar *str;
+
+	/* determine if the software update key is pressed during startup */
+	/* not ported yet... */
+	if (GPLR0 & 0x00000800) {
+		printf("using bootcmd_normal (sw-update button not pressed)\n");
+		str = getenv("bootcmd_normal");
+	} else {
+		printf("using bootcmd_update (sw-update button pressed)\n");
+		str = getenv("bootcmd_update");
+	}
+
+	setenv("bootcmd",str);
+#endif
+	return 0;
+}
+
+
+/**
+ * board_init: - setup some data structures
+ *
+ * @return: 0 in case of success
+ */
+
+int board_init (void)
+{
+	/* We have RAM, disable cache */
+	dcache_disable();
+	icache_disable();
+
+	/* arch number of CSB226 board */
+	gd->bd->bi_arch_number = MACH_TYPE_CSB226;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0xa0000100;
+
+	return 0;
+}
+
+
+extern void pxa_dram_init(void);
+int dram_init(void)
+{
+	pxa_dram_init();
+	gd->ram_size = PHYS_SDRAM_1_SIZE;
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+}
+
+/**
+ * csb226_set_led: - switch LEDs on or off
+ *
+ * @param led:   LED to switch (0,1,2)
+ * @param state: switch on (1) or off (0)
+ */
+
+void csb226_set_led(int led, int state)
+{
+	switch(led) {
+
+		case 0: if (state==1) {
+				writel(readl(GPCR0) | CSB226_USER_LED0, GPCR0);
+			} else if (state==0) {
+				writel(readl(GPSR0) | CSB226_USER_LED0, GPSR0);
+			}
+			break;
+
+		case 1: if (state==1) {
+				writel(readl(GPCR0) | CSB226_USER_LED1, GPCR0);
+			} else if (state==0) {
+				writel(readl(GPSR0) | CSB226_USER_LED1, GPSR0);
+			}
+			break;
+
+		case 2: if (state==1) {
+				writel(readl(GPCR0) | CSB226_USER_LED2, GPCR0);
+			} else if (state==0) {
+				writel(readl(GPSR0) | CSB226_USER_LED2, GPSR0);
+			}
+			break;
+	}
+
+	return;
+}
+
+
+/**
+ * show_boot_progress: - indicate state of the boot process
+ *
+ * @param status: Status number - see README for details.
+ *
+ * The CSB226 does only have 3 LEDs, so we switch them on at the most
+ * important states (1, 5, 15).
+ */
+
+void show_boot_progress (int status)
+{
+	switch(status) {
+		case  1: csb226_set_led(0,1); break;
+		case  5: csb226_set_led(1,1); break;
+		case 15: csb226_set_led(2,1); break;
+	}
+
+	return;
+}
+
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#ifdef CONFIG_CS8900
+	rc = cs8900_initialize(0, CONFIG_CS8900_BASE);
+#endif
+	return rc;
+}
+#endif
diff --git a/u-boot/board/csb226/flash.c b/u-boot/board/csb226/flash.c
new file mode 100644
index 0000000..02ded1c
--- /dev/null
+++ b/u-boot/board/csb226/flash.c
@@ -0,0 +1,366 @@
+/*
+ * (C) Copyright 2002
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Robert Schwebel, Pengutronix, <r.schwebel@pengutronix.de>
+ *
+ * (C) Copyright 2003 (2 x 16 bit Flash bank patches)
+ * Rolf Peukert, IMMS gGmbH, <rolf.peukert@imms.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 <asm/arch/pxa-regs.h>
+
+#define FLASH_BANK_SIZE 0x02000000
+#define MAIN_SECT_SIZE	0x40000		/* 2x16 = 256k per sector */
+
+flash_info_t	flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
+
+
+/**
+ * flash_init: - initialize data structures for flash chips
+ *
+ * @return: size of the flash
+ */
+
+ulong flash_init(void)
+{
+	int i, j;
+	ulong size = 0;
+
+	for (i = 0; i < CONFIG_SYS_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 = CONFIG_SYS_MAX_FLASH_SECT;
+		memset(flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT);
+
+		switch (i) {
+		case 0:
+			flashbase = PHYS_FLASH_1;
+			break;
+		default:
+			panic("configured too many flash banks!\n");
+			break;
+		}
+		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,
+			CONFIG_SYS_FLASH_BASE,
+			CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1,
+			&flash_info[0]);
+
+	flash_protect(FLAG_PROTECT_SET,
+			CONFIG_ENV_ADDR,
+			CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
+			&flash_info[0]);
+
+	return size;
+}
+
+
+/**
+ * flash_print_info: - print information about the flash situation
+ */
+
+void flash_print_info  (flash_info_t *info)
+{
+	int i, j;
+
+	for (j=0; j<CONFIG_SYS_MAX_FLASH_BANKS; j++) {
+
+		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");
+			return;
+		}
+
+		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");
+		info++;
+	}
+}
+
+
+/**
+ * flash_erase: - erase flash sectors
+ */
+
+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 */
+			u32 * volatile addr = (u32 * volatile)(info->start[sect]);
+
+			/* erase sector:				    */
+			/* The strata flashs are aligned side by side on    */
+			/* the data bus, so we have to write the commands   */
+			/* to both chips here:				    */
+
+			*addr = 0x00200020;	/* erase setup */
+			*addr = 0x00D000D0;	/* erase confirm */
+
+			while ((*addr & 0x00800080) != 0x00800080) {
+				if (get_timer_masked() > CONFIG_SYS_FLASH_ERASE_TOUT) {
+					*addr = 0x00B000B0; /* suspend erase*/
+					*addr = 0x00FF00FF; /* read mode    */
+					rc = ERR_TIMOUT;
+					goto outahere;
+				}
+			}
+			*addr = 0x00500050; /* clear status register cmd.   */
+			*addr = 0x00FF00FF; /* reset to read mode	    */
+		}
+		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;
+}
+
+/**
+ * write_long: - copy memory to flash, assume a bank of 2 devices with 16bit each
+ */
+
+static int write_long (flash_info_t *info, ulong dest, ulong data)
+{
+	u32 * volatile addr = (u32 * volatile)dest, val;
+	int rc = ERR_OK;
+	int flag;
+
+	/* read array command - just for the case... */
+	*addr = 0x00FF00FF;
+
+	/* 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 = 0x00500050;
+
+	/* program set-up command */
+	*addr = 0x00400040;
+
+	/* latch address/data */
+	*addr = data;
+
+	/* arm simple, non interrupt dependent timer */
+	reset_timer_masked();
+
+	/* wait while polling the status register */
+	while(((val = *addr) & 0x00800080) != 0x00800080) {
+		if (get_timer_masked() > CONFIG_SYS_FLASH_WRITE_TOUT) {
+			rc = ERR_TIMOUT;
+			/* suspend program command */
+			*addr = 0x00B000B0;
+			goto outahere;
+		}
+	}
+
+	/* check for errors */
+	if(val & 0x001A001A) {
+		printf("\nFlash write error %02x at address %08lx\n",
+			(int)val, (unsigned long)dest);
+		if(val & 0x00080008) {
+			printf("Voltage range error.\n");
+			rc = ERR_PROG_ERROR;
+			goto outahere;
+		}
+		if(val & 0x00020002) {
+			printf("Device protect error.\n");
+			rc = ERR_PROTECTED;
+			goto outahere;
+		}
+		if(val & 0x00100010) {
+			printf("Programming error.\n");
+			rc = ERR_PROG_ERROR;
+			goto outahere;
+		}
+		rc = ERR_PROG_ERROR;
+		goto outahere;
+	}
+
+outahere:
+	/* read array command */
+	*addr = 0x00FF00FF;
+	if (flag) enable_interrupts();
+
+	return rc;
+}
+
+
+/**
+ * write_buf: - Copy memory to flash.
+ *
+ * @param info:
+ * @param src:	source of copy transaction
+ * @param addr: where to copy to
+ * @param cnt:	number of bytes to copy
+ *
+ * @return	error code
+ */
+
+/* "long" version, uses 32bit words */
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+	ulong cp, wp;
+	ulong data;
+	int l;
+	int i, rc;
+
+	wp = (addr & ~3);	/* 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 << 24);
+		}
+		for (; i<4 && cnt>0; ++i) {
+			data = (data >> 8) | (*src++ << 24);
+			--cnt;
+			++cp;
+		}
+		for (; cnt==0 && i<4; ++i, ++cp) {
+			data = (data >> 8) | (*(uchar *)cp << 24);
+		}
+
+		if ((rc = write_long(info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp += 4;
+	}
+
+	/*
+	 * handle word aligned part
+	 */
+	while (cnt >= 4) {
+		data = *((ulong*)src);
+		if ((rc = write_long(info, wp, data)) != 0) {
+			return (rc);
+		}
+		src += 4;
+		wp  += 4;
+		cnt -= 4;
+	}
+
+	if (cnt == 0) return ERR_OK;
+
+	/*
+	 * handle unaligned tail bytes
+	 */
+	data = 0;
+	for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+		data = (data >> 8) | (*src++ << 24);
+		--cnt;
+	}
+	for (; i<4; ++i, ++cp) {
+		data = (data >> 8) | (*(uchar *)cp << 24);
+	}
+
+	return write_long(info, wp, data);
+}