tree moved to a better location

1 files changed, 0 insertions, 238 deletions

diff --git a/x-loader/drivers/onenand.c b/x-loader/drivers/onenand.c
deleted file mode 100644
index 9902a0d..0000000
--- a/x-loader/drivers/onenand.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * (C) Copyright 2005 Samsung Electronis
- * Kyungmin Park <kyungmin.park@samsung.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/string.h>
-
-#include "onenand_regs.h"
-
-#define onenand_readw(a)	(*(volatile unsigned short *)(a))
-#define onenand_writew(v, a)	((*(volatile unsigned short *)(a)) = (u16) (v))
-
-#define SAMSUNG_MFR_ID		0xEC
-#define KFM1G16Q2A_DEV_ID	0x30
-#define KFN2G16Q2A_DEV_ID	0x40
-
-
-#define THIS_ONENAND(a)		(ONENAND_ADDR + (a))
-
-#define READ_INTERRUPT()						\
-	onenand_readw(THIS_ONENAND(ONENAND_REG_INTERRUPT))
-
-#define READ_CTRL_STATUS()						\
-	onenand_readw(THIS_ONENAND(ONENAND_REG_CTRL_STATUS))
-
-#define READ_ECC_STATUS()						\
-	onenand_readw(THIS_ONENAND(ONENAND_REG_ECC_STATUS))
-	
-#define SET_EMIFS_CS_CONFIG(v)					\
-	(*(volatile unsigned long *)(OMAP_EMIFS_CS_CONFIG) = (v))
-
-#define onenand_block_address(block)		(block)
-#define onenand_sector_address(page)		(page << 2)
-#define onenand_buffer_address()		((1 << 3) << 8)
-#define onenand_bufferram_address(block)	(0)
-
-#if defined(CFG_SYNC_BURST_READ) && defined(CONFIG_OMAP1610)
-static inline void set_sync_burst_read(void)
-{
-	unsigned int value;
-	value = 0
-		| (0x1 << 15)		/* Read Mode: Synchronous */
-		| (0x4 << 12)		/* Burst Read Latency: 4 cycles */
-		| (0x4 << 9)		/* Burst Length: 8 word */
-		| (0x1 << 7)		/* RDY signal plarity */
-		| (0x1 << 6)		/* INT signal plarity */
-		| (0x1 << 5)		/* I/O buffer enable */
-		;
-	onenand_writew(value, THIS_ONENAND(ONENAND_REG_SYS_CFG1));
-
-	value = 0
-		| (4 << 16)		/* Synchronous Burst Read */
-		| (1 << 12)		/* PGWST/WELEN */
-		| (1 << 8)		/* WRWST */
-		| (4 << 4)		/* RDWST */
-		| (1 << 0)		/* FCLKDIV => 48MHz */
-		;
-	SET_EMIFS_CS_CONFIG(value);
-}
-
-static inline void set_async_read(void)
-{
-	unsigned int value;
-	value = 0
-		| (0x0 << 15)		/* Read Mode: Asynchronous */
-		| (0x4 << 12)		/* Burst Read Latency: 4 cycles */
-		| (0x0 << 9)		/* Burst Length: continuous */
-		| (0x1 << 7)		/* RDY signal plarity */
-		| (0x1 << 6)		/* INT signal plarity */
-		| (0x0 << 5)		/* I/O buffer disable */
-		;
-	onenand_writew(value, THIS_ONENAND(ONENAND_REG_SYS_CFG1));
-
-	value = 0
-		| (0 << 16)		/* Asynchronous Read */
-		| (1 << 12)		/* PGWST/WELEN */
-		| (1 << 8)		/* WRWST */
-		| (3 << 4)		/* RDWST */
-		| (1 << 0)		/* FCLKDIV => 48MHz */
-		;
-	SET_EMIFS_CS_CONFIG(value);
-}
-#else
-#define set_sync_burst_read(...)	do { } while (0)
-#define set_async_read(...)		do { } while (0)
-#endif
-
-int
-onenand_chip()
-{
-	unsigned short mf_id, dev_id;
-	mf_id = (*(volatile unsigned short *)(THIS_ONENAND(ONENAND_REG_MANUFACTURER_ID)));
-	dev_id = (*(volatile unsigned short *)(THIS_ONENAND(ONENAND_REG_DEVICE_ID)));
-
-	if(mf_id == SAMSUNG_MFR_ID) {
-		if (dev_id == KFM1G16Q2A_DEV_ID) {
-		printf("Detected Samsung MuxOneNAND1G Flash \r\n");
-		return 0;
-		} else if (dev_id == KFN2G16Q2A_DEV_ID) {
-			printf("Detected Samsung MuxOneNAND2G Flash \r\n");
-                        return 0;
-		} else {
-			printf(" ONENAND Flash unsupported\r\n");
-                        return 1;
-		}
-	} else {
-		printf("ONENAND Flash Unsupported\r\n");
-		return 1;
-	}
-}
-
-/* read a page with ECC */
-static inline int onenand_read_page(ulong block, ulong page, u_char *buf)
-{
-	unsigned long *base;
-
-#ifndef __HAVE_ARCH_MEMCPY32
-	unsigned int offset, value;
-	unsigned long *p;
-	unsigned int ctrl, ecc;
-	unsigned short bbmarker;
-#endif
-
-	onenand_writew(onenand_block_address(block),
-		THIS_ONENAND(ONENAND_REG_START_ADDRESS1));
-
-	onenand_writew(onenand_sector_address(page),
-		THIS_ONENAND(ONENAND_REG_START_ADDRESS8));
-
-	onenand_writew(onenand_buffer_address(),
-		THIS_ONENAND(ONENAND_REG_START_BUFFER));
-
-	onenand_writew(onenand_bufferram_address(block),
-		THIS_ONENAND(ONENAND_REG_START_ADDRESS2));
-
-	onenand_writew(ONENAND_INT_CLEAR, THIS_ONENAND(ONENAND_REG_INTERRUPT));
-
-	onenand_writew(ONENAND_CMD_READ, THIS_ONENAND(ONENAND_REG_COMMAND));
-
-#ifndef __HAVE_ARCH_MEMCPY32
- 	p = (unsigned long *) buf;
-#endif
-	base = (unsigned long *) (ONENAND_ADDR + ONENAND_DATARAM);
-
-	while (!(READ_INTERRUPT() & ONENAND_INT_MASTER))
-		continue;
-
-	ctrl = READ_CTRL_STATUS();
-	
-	if (ctrl & ONENAND_CTRL_ERROR) {
-		hang();
-	}
-	
-	if (READ_INTERRUPT() & ONENAND_INT_READ) {
-
-		ecc = READ_ECC_STATUS();
-		if (ecc & ONENAND_ECC_2BIT_ALL) {
-			hang();
-		}
-
-		/* Check if the block is bad. Bad block markers    */
-		/* are stored in spare area of 1st or 2nd page */
-		if ((page == 0) || (page == 1))
-		{
-		    unsigned long *spareArea = (unsigned long *) (ONENAND_ADDR + ONENAND_SPARERAM);
-		    bbmarker = *spareArea;
-        	    /* for bad block markers */
-        	    if (bbmarker != 0xFFFF){
-        	        return 1;
-        	    }
-		}
-	}
-	
-#ifdef __HAVE_ARCH_MEMCPY32
-	/* 32 bytes boundary memory copy */
-	memcpy32(buf, base, ONENAND_PAGE_SIZE);
-#else
-	for (offset = 0; offset < (ONENAND_PAGE_SIZE >> 2); offset++) {
-		value = *(base + offset);
-		*p++ = value;
- 	}
-#endif
-
-	return 0;
-}
-
-#define ONENAND_START_PAGE		0
-#define ONENAND_PAGES_PER_BLOCK		64
-
-/**
- * onenand_read_block - Read a block data to buf
- * @return 0 on sucess
- */ 
-
-int onenand_read_block(unsigned char *buf, ulong block)
-{
-	int page, offset = 0;
-
-	set_sync_burst_read();
-
-	/* NOTE: you must read page from page 1 of block 0 */
-	/* read the block page by page*/
-	for (page = ONENAND_START_PAGE;
-	    page < ONENAND_PAGES_PER_BLOCK; page++) {
-
-		if (onenand_read_page(block, page, buf + offset)){
-		    set_async_read();
-		    return 1;
-		}
-
-		offset += ONENAND_PAGE_SIZE;
-	}
-
-	set_async_read();
-
-	return 0;
-}
-