Merge branch 'master' of git://git.denx.de/u-boot-arm

Conflicts:
	drivers/spi/Makefile

Signed-off-by: Wolfgang Denk <wd@denx.de>

1 files changed, 0 insertions, 564 deletions

diff --git a/board/armltd/integratorcp/flash.c b/board/armltd/integratorcp/flash.c
deleted file mode 100644
index 5059dae..0000000
--- a/board/armltd/integratorcp/flash.c
+++ /dev/null
@@ -1,564 +0,0 @@
-/*
- * (C) Copyright 2004
- * Xiaogeng (Shawn) Jin, Agilent Technologies, xiaogeng_jin@agilent.com
- *
- * (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 <linux/byteorder/swab.h>
-
-#define DEBUG
-
-#define PHYS_FLASH_SECT_SIZE	0x00040000	/* 256 KB sectors (x2) */
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];	/* info for FLASH chips */
-
-/* Board support for 1 or 2 flash devices */
-#define FLASH_PORT_WIDTH32
-#undef 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, 32 * 1024},				/* 4 * 32kBytes sectors */
-	{255, 128 * 1024},			/* 255 * 128kBytes sectors */
-};
-
-/* CP control register base address */
-#define CPCR_BASE		0xCB000000
-#define CPCR_EXTRABANK		0x8
-#define CPCR_FLASHSIZE		0x4
-#define CPCR_FLWREN		0x2
-#define CPCR_FLVPPEN		0x1
-
-/*-----------------------------------------------------------------------
- * 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);
-
-/*-----------------------------------------------------------------------
- */
-unsigned long flash_init (void)
-{
-	int i, nbanks;
-	ulong size = 0;
-	vu_long *cpcr = (vu_long *)CPCR_BASE;
-
-	/* Check if there is an extra bank of flash */
-	if (cpcr[1] & CPCR_EXTRABANK)
-		nbanks = 2;
-	else
-		nbanks = 1;
-
-	if (nbanks > CONFIG_SYS_MAX_FLASH_BANKS)
-		nbanks = CONFIG_SYS_MAX_FLASH_BANKS;
-
-	/* Enable flash write */
-	cpcr[1] |= 3;
-
-	for (i = 0; i < nbanks; i++) {
-		flash_get_size ((FPW *)(CONFIG_SYS_FLASH_BASE + size), &flash_info[i]);
-		flash_get_offsets (CONFIG_SYS_FLASH_BASE + size, &flash_info[i]);
-		size += flash_info[i].size;
-	}
-
-#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
-	/* monitor protection */
-	flash_protect (FLAG_PROTECT_SET,
-		       CONFIG_SYS_MONITOR_BASE,
-		       CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]);
-#endif
-
-#ifdef CONFIG_ENV_IS_IN_FLASH
-	/* ENV protection ON */
-	flash_protect(FLAG_PROTECT_SET,
-		      CONFIG_ENV_ADDR,
-		      CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
-		      &flash_info[0]);
-#endif
-
-	/* Protect SIB (0x24800000) and bootMonitor (0x24c00000) */
-	flash_protect (FLAG_PROTECT_SET,
-		       flash_info[0].start[62],
-		       flash_info[0].start[63] + PHYS_FLASH_SECT_SIZE - 1,
-		       &flash_info[0]);
-
-	return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t * info)
-{
-	int i;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		return;
-	}
-
-	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
-		for (i = 0; i < info->sector_count; i++) {
-			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;
-	}
-
-	/* Integrator CP board uses 28F640J3C or 28F128J3C parts,
-	 * which have the same device id numbers as 28F640J3A or
-	 * 28F128J3A
-	 */
-	switch (info->flash_id & FLASH_TYPEMASK) {
-	case FLASH_28F256L18T:
-		printf ("FLASH 28F256L18T\n");
-		break;
-	case FLASH_28F640J3A:
-		printf ("FLASH 28F640J3C\n");
-		break;
-	case FLASH_28F128J3A:
-		printf ("FLASH 28F128J3C\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;
-	vu_long *cpcr = (vu_long *)CPCR_BASE;
-	int nsects;
-
-	/* Check the flash size */
-	if (cpcr[1] & CPCR_FLASHSIZE)
-		nsects = 128;
-	else
-		nsects = 64;
-
-	if (nsects > CONFIG_SYS_MAX_FLASH_SECT)
-		nsects = CONFIG_SYS_MAX_FLASH_SECT;
-
-	/* Write auto select command: read Manufacturer ID */
-	addr[0x5555] = (FPW) 0x00AA00AA;
-	addr[0x2AAA] = (FPW) 0x00550055;
-	addr[0x5555] = (FPW) 0x00900090;
-
-	mb ();
-	value = addr[0];
-
-	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):
-		info->flash_id += FLASH_28F256L18T;
-		info->sector_count = 259;
-		info->size = 0x02000000;
-		break;			/* => 32 MB */
-
-	case (FPW) (INTEL_ID_28F640J3A):
-		info->flash_id += FLASH_28F640J3A;
-		info->sector_count = nsects;
-		info->size = nsects * PHYS_FLASH_SECT_SIZE;
-		break;
-
-	case (FPW) (INTEL_ID_28F128J3A):
-		info->flash_id += FLASH_28F128J3A;
-		info->sector_count = nsects;
-		info->size = nsects * PHYS_FLASH_SECT_SIZE;
-		break;
-
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		break;
-	}
-
-	if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
-		printf ("** ERROR: sector count %d > max (%d) **\n",
-				info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
-		info->sector_count = CONFIG_SYS_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)
-{
-	FPW status;
-
-	*addr = (FPW) 0x00500050;	/* clear status register */
-
-	/* this sends the clear lock bit command */
-	*addr = (FPW) 0x00600060;
-	*addr = (FPW) 0x00D000D0;
-
-	reset_timer_masked();
-	while (((status = *addr) & (FPW)0x00800080) != 0x00800080) {
-		if (get_timer_masked() > CONFIG_SYS_FLASH_ERASE_TOUT) {
-			printf("Timeout");
-			break;
-		}
-	}
-
-	*addr = (FPW) 0x00FF00FF;
-}
-
-
-/*-----------------------------------------------------------------------
- */
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
-	int flag, prot, sect;
-	ulong type;
-	int rcode = 0;
-
-	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 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);
-
-			/* Disable interrupts which might cause a timeout here */
-			flag = disable_interrupts ();
-
-			/* 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 */
-			mb();
-
-			udelay(1000); /* Let's wait 1 ms */
-
-			/* re-enable interrupts if necessary */
-			if (flag)
-				enable_interrupts();
-
-			while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
-				if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
-					*addr = (FPW)0x00700070;
-					status = *addr;
-					if ((status & (FPW) 0x00400040) == (FPW) 0x00400040) {
-						/* erase suspended? Resume it */
-						reset_timer_masked();
-						*addr = (FPW) 0x00D000D0;
-					} else {
-#ifdef DEBUG
-						printf ("Timeout,0x%08lx\n", status);
-#else
-						printf("Timeout\n");
-#endif
-
-						*addr = (FPW) 0x00500050;
-						*addr = (FPW) 0x00FF00FF; /* reset to read mode */
-						rcode = 1;
-						break;
-					}
-				}
-			}
-
-			*addr = (FPW) 0x00FF00FF; /* resest to read mode */
-			printf (" done\n");
-		}
-	}
-
-	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;
-	int flag;
-
-	/* Check if Flash is (sufficiently) erased */
-	if ((*addr & data) != data) {
-		printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr);
-		return (2);
-	}
-
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts ();
-
-	/* flash_unprotect_sectors (addr); */
-
-	*addr = (FPW) 0x00400040;	/* write setup */
-	*addr = data;
-
-	mb();
-
-	/* re-enable interrupts if necessary */
-	if (flag)
-		enable_interrupts();
-
-	/* 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 () > CONFIG_SYS_FLASH_WRITE_TOUT) {
-#ifdef DEBUG
-			*addr = (FPW) 0x00700070;
-			status = *addr;
-			printf("## status=0x%08lx, addr=0x%p\n", status, addr);
-#endif
-			*addr = (FPW) 0x00500050; /* clear status register cmd */
-			*addr = (FPW) 0x00FF00FF; /* restore read mode */
-			return (1);
-		}
-	}
-
-	*addr = (FPW) 0x00FF00FF; /* restore read mode */
-	return (0);
-}
-
-void inline spin_wheel (void)
-{
-	static int p = 0;
-	static char w[] = "\\/-";
-
-	printf ("\010%c", w[p]);
-	(++p == 3) ? (p = 0) : 0;
-}