Merge commit 'origin/master'

1 files changed, 0 insertions, 537 deletions

diff --git a/board/omap2420h4/flash.c b/board/omap2420h4/flash.c
deleted file mode 100644
index d5e106a..0000000
--- a/board/omap2420h4/flash.c
+++ /dev/null
@@ -1,537 +0,0 @@
-/*
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2003
- * Texas Instruments, <www.ti.com>
- * Kshitij Gupta <Kshitij@ti.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/arch/sizes.h>
-#include <linux/byteorder/swab.h>
-
-#define PHYS_FLASH_SECT_SIZE	SZ_128K
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips    */
-
-/* Board support for 1 or 2 flash devices */
-#undef FLASH_PORT_WIDTH32
-#define FLASH_PORT_WIDTH16
-
-#ifdef FLASH_PORT_WIDTH16
-# define FLASH_PORT_WIDTH		ushort
-# define FLASH_PORT_WIDTHV		vu_short
-# define SWAP(x)			__swab16(x)
-#else
-# define FLASH_PORT_WIDTH		ulong
-# define FLASH_PORT_WIDTHV		vu_long
-# define SWAP(x)			__swab32(x)
-#endif
-
-#define FPW	FLASH_PORT_WIDTH
-#define FPWV	FLASH_PORT_WIDTHV
-
-#define mb() __asm__ __volatile__ ("" : : : "memory")
-
-
-/* Flash Organization Structure */
-typedef struct OrgDef {
-	unsigned int sector_number;
-	unsigned int sector_size;
-} OrgDef;
-
-
-/* Flash Organizations */
-OrgDef OrgIntel_28F256L18T[] = {
-	{4, SZ_32K},		/* 4 * 32kBytes sectors */
-	{255, SZ_128K},		/* 255 * 128kBytes sectors */
-};
-
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-unsigned long flash_init (void);
-static ulong flash_get_size (FPW * addr, flash_info_t * info);
-static int write_data (flash_info_t * info, ulong dest, FPW data);
-static void flash_get_offsets (ulong base, flash_info_t * info);
-void inline spin_wheel (void);
-void flash_print_info (flash_info_t * info);
-void flash_unprotect_sectors (FPWV * addr);
-int flash_erase (flash_info_t * info, int s_first, int s_last);
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
-void flash_unlock(flash_info_t * info, int bank);
-int flash_probe(void);
-
-/*-----------------------------------------------------------------------
- */
-
-/* see if flash is ok */
-int flash_probe(void)
-{
-	return(flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[0]));
-}
-
-unsigned long flash_init (void)
-{
-	int i;
-	ulong size = 0;
-	for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
-		switch (i) {
-		case 0:
-			flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
-			flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
-			/* to reset the lock bit */
-			flash_unlock(&flash_info[i],i);
-			break;
-		case 1:
-			flash_get_size ((FPW *) PHYS_FLASH_2, &flash_info[i]);
-			flash_get_offsets (PHYS_FLASH_2, &flash_info[i]);
-			/* to reset the lock bit */
-			flash_unlock(&flash_info[i],i);
-			break;
-
-		default:
-			panic ("configured too many flash banks!\n");
-			break;
-		}
-		size += flash_info[i].size;
-	}
-
-#ifdef CFG_ENV_IS_IN_FLASH
-	/* 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]);
-#endif
-	return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_unlock(flash_info_t * info, int bank)
-{
-	int j;
-	if (!bank)
-		j=2;	/* leave 0,1 locked for boot bank */
-	else
-		j=0;	/* get the whole bank for #2 */
-
-	for (;j<CFG_MAX_FLASH_SECT;j++) {
-		FPWV *addr = (FPWV *) (info->start[j]);
-		if (addr == NULL) {
-			printf("Warning Flash probe failed\n");
-			break;
-		}
-		flash_unprotect_sectors (addr);
-		*addr = (FPW) 0x00500050;/* clear status register */
-		*addr = (FPW) 0x00FF00FF;/* resest to read mode */
-	}
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t * info)
-{
-	int i;
-	volatile int r;	 /* gcc 3.4.0-1 strangeness, need to follow up.*/
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		return;
-	}
-
-	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
-		for (i = 0; i < info->sector_count; i++) {
-			if (i > 254) { /* 255,256,257,258 */
-				r=i;
-				info->start[i] = base + (((r-(int)255) * SZ_32K) + (255*PHYS_FLASH_SECT_SIZE));
-				info->protect[i] = 0;
-			} else {
-				info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
-				info->protect[i] = 0;
-			}
-		}
-	}
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info (flash_info_t * info)
-{
-	int i;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		printf ("missing or unknown FLASH type\n");
-		return;
-	}
-
-	switch (info->flash_id & FLASH_VENDMASK) {
-	case FLASH_MAN_INTEL:
-		printf ("INTEL ");
-		break;
-	default:
-		printf ("Unknown Vendor ");
-		break;
-	}
-
-	switch (info->flash_id & FLASH_TYPEMASK) {
-	case FLASH_28F256L18T:
-		printf ("FLASH 28F256L18T\n");
-		break;
-	default:
-		printf ("Unknown Chip Type\n");
-		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");
-	return;
-}
-
-/*
- * The following code cannot be run from FLASH!
- */
-static ulong flash_get_size (FPW * addr, flash_info_t * info)
-{
-	volatile FPW value;
-	/* mb();  this one makes ARM11 err go away, but I want it :) as a guide to problems */
-
-	/* Write auto select command: read Manufacturer ID */
-	addr[0x5555] = (FPW) 0x00AA00AA;
-	addr[0x2AAA] = (FPW) 0x00550055;
-	addr[0x5555] = (FPW) 0x00900090;
-
-	mb ();
-	value = addr[0] & 0xFF;	/* just looking for 89 (8989 is hw pat)*/
-
-	switch (value) {
-
-	case (FPW) INTEL_MANUFACT:
-		info->flash_id = FLASH_MAN_INTEL;
-		break;
-
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		info->sector_count = 0;
-		info->size = 0;
-		addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */
-		return(0);		   /* no or unknown flash	*/
-	}
-
-	mb ();
-	value = addr[1];	/* device ID */
-	switch (value) {
-
-	case (FPW) (INTEL_ID_28F256L18T):	 /* 880D */
-		info->flash_id += FLASH_28F256L18T;
-		info->sector_count = 259;	/*0-258*/
-		info->size = SZ_32M;
-		break;			/* => 32 MB	*/
-
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		break;
-	}
-
-	if (info->sector_count > CFG_MAX_FLASH_SECT) {
-		printf ("** ERROR: sector count %d > max (%d) **\n",
-				info->sector_count, CFG_MAX_FLASH_SECT);
-		info->sector_count = CFG_MAX_FLASH_SECT;
-	}
-
-	addr[0] = (FPW) 0x00FF00FF;	/* restore read mode */
-
-	return(info->size);
-}
-
-
-/* unprotects a sector for write and erase
- * on some intel parts, this unprotects the entire chip, but it
- * wont hurt to call this additional times per sector...
- */
-void flash_unprotect_sectors (FPWV * addr)
-{
-#define PD_FINTEL_WSMS_READY_MASK    0x0080
-
-	*addr = (FPW) 0x00500050;	/* clear status register */
-
-	/* this sends the clear lock bit command */
-	*addr = (FPW) 0x00600060;
-	*addr = (FPW) 0x00D000D0;
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
-	int prot, sect;
-	ulong type, start, last;
-	int rcode = 0;
-#ifdef CONFIG_USE_IRQ
-	int iflag;
-#endif
-
-	if ((s_first < 0) || (s_first > s_last)) {
-		if (info->flash_id == FLASH_UNKNOWN) {
-			printf ("- missing\n");
-		} else {
-			printf ("- no sectors to erase\n");
-		}
-		return 1;
-	}
-
-	type = (info->flash_id & FLASH_VENDMASK);
-	if ((type != FLASH_MAN_INTEL)) {
-		printf ("Can't erase unknown flash type %08lx - aborted\n",
-				info->flash_id);
-		return 1;
-	}
-
-	prot = 0;
-	for (sect = s_first; sect <= s_last; ++sect) {
-		if (info->protect[sect]) {
-			prot++;
-		}
-	}
-
-	if (prot) {
-		printf ("- Warning: %d protected sectors will not be erased!\n",
-				prot);
-	} else {
-		printf ("\n");
-	}
-
-
-	start = get_timer (0);
-	last = start;
-
-#ifdef CONFIG_USE_IRQ
-	/* Disable interrupts which might cause a timeout here */
-	iflag = disable_interrupts ();
-#endif
-
-	/* Start erase on unprotected sectors */
-	for (sect = s_first; sect <= s_last; sect++) {
-		if (info->protect[sect] == 0) {	/* not protected */
-			FPWV *addr = (FPWV *) (info->start[sect]);
-			FPW status;
-
-			printf ("Erasing sector %2d ... ", sect);
-
-			flash_unprotect_sectors (addr);
-
-			/* arm simple, non interrupt dependent timer */
-			reset_timer_masked ();
-
-			*addr = (FPW) 0x00500050;/* clear status register */
-			*addr = (FPW) 0x00200020;/* erase setup */
-			*addr = (FPW) 0x00D000D0;/* erase confirm */
-
-			while (((status =
-					 *addr) & (FPW) 0x00800080) !=
-				   (FPW) 0x00800080) {
-				if (get_timer_masked () >
-					CFG_FLASH_ERASE_TOUT) {
-					printf ("Timeout\n");
-					/* suspend erase     */
-					*addr = (FPW) 0x00B000B0;
-					/* reset to read mode */
-					*addr = (FPW) 0x00FF00FF;
-					rcode = 1;
-					break;
-				}
-			}
-
-			/* clear status register cmd.	*/
-			*addr = (FPW) 0x00500050;
-			*addr = (FPW) 0x00FF00FF;/* resest to read mode */
-			printf (" done\n");
-		}
-	}
-#ifdef CONFIG_USE_IRQ
-	if (iflag)
-		enable_interrupts();
-#endif
-
-	return rcode;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- * 4 - Flash not identified
- */
-
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
-{
-	ulong cp, wp;
-	FPW data;
-	int count, i, l, rc, port_width;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		return 4;
-	}
-/* get lower word aligned address */
-#ifdef FLASH_PORT_WIDTH16
-	wp = (addr & ~1);
-	port_width = 2;
-#else
-	wp = (addr & ~3);
-	port_width = 4;
-#endif
-
-	/*
-	 * 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);
-		}
-		for (; i < port_width && cnt > 0; ++i) {
-			data = (data << 8) | *src++;
-			--cnt;
-			++cp;
-		}
-		for (; cnt == 0 && i < port_width; ++i, ++cp) {
-			data = (data << 8) | (*(uchar *) cp);
-		}
-
-		if ((rc = write_data (info, wp, SWAP (data))) != 0) {
-			return(rc);
-		}
-		wp += port_width;
-	}
-
-	/*
-	 * handle word aligned part
-	 */
-	count = 0;
-	while (cnt >= port_width) {
-		data = 0;
-		for (i = 0; i < port_width; ++i) {
-			data = (data << 8) | *src++;
-		}
-		if ((rc = write_data (info, wp, SWAP (data))) != 0) {
-			return(rc);
-		}
-		wp += port_width;
-		cnt -= port_width;
-		if (count++ > 0x800) {
-			spin_wheel ();
-			count = 0;
-		}
-	}
-
-	if (cnt == 0) {
-		return(0);
-	}
-
-	/*
-	 * handle unaligned tail bytes
-	 */
-	data = 0;
-	for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
-		data = (data << 8) | *src++;
-		--cnt;
-	}
-	for (; i < port_width; ++i, ++cp) {
-		data = (data << 8) | (*(uchar *) cp);
-	}
-
-	return(write_data (info, wp, SWAP (data)));
-}
-
-/*-----------------------------------------------------------------------
- * Write a word or halfword to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_data (flash_info_t * info, ulong dest, FPW data)
-{
-	FPWV *addr = (FPWV *) dest;
-	ulong status;
-#ifdef CONFIG_USE_IRQ
-	int iflag;
-#endif
-
-	/* Check if Flash is (sufficiently) erased */
-	if ((*addr & data) != data) {
-		printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr);
-		return(2);
-	}
-	/* Disable interrupts which might cause a timeout here */
-#ifdef CONFIG_USE_IRQ
-	iflag = disable_interrupts ();
-#endif
-	*addr = (FPW) 0x00400040;	/* write setup */
-	*addr = data;
-
-	/* arm simple, non interrupt dependent timer */
-	reset_timer_masked ();
-
-	/* wait while polling the status register */
-	while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
-		if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
-			*addr = (FPW) 0x00FF00FF;	/* restore read mode */
-			return(1);
-		}
-	}
-	*addr = (FPW) 0x00FF00FF;	/* restore read mode */
-
-#ifdef CONFIG_USE_IRQ
-	if (iflag)
-		enable_interrupts();
-#endif
-
-	return(0);
-}
-
-void inline spin_wheel (void)
-{
-	static int p = 0;
-	static char w[] = "\\/-";
-
-	printf ("\010%c", w[p]);
-	(++p == 3) ? (p = 0) : 0;
-}