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authorMarek Vasut <marex@denx.de>2012-09-05 17:09:08 +0000
committerTom Rini <trini@ti.com>2012-09-18 12:01:51 -0700
commite4a189acfed4e8a99599f948a019f709b066722f (patch)
treedd5fcacec662d3a287d6c657c2c21a017f1699e9 /onenand_ipl
parentbe7e41efdab086d15108020de8eeada8e7baac8d (diff)
downloadu-boot-linaro-stable-e4a189acfed4e8a99599f948a019f709b066722f.tar.gz
IPL: Remove remains of OneNAND IPL
After removing the Apollon board, remove the OneNAND IPL too. There are no users for it any more. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Albert Aribaud <albert.u.boot@aribaud.net> Cc: Minkyu Kang <promsoft@gmail.com> Cc: Tom Rini <trini@ti.com> Acked-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'onenand_ipl')
-rw-r--r--onenand_ipl/onenand_boot.c48
-rw-r--r--onenand_ipl/onenand_ipl.h36
-rw-r--r--onenand_ipl/onenand_read.c158
3 files changed, 0 insertions, 242 deletions
diff --git a/onenand_ipl/onenand_boot.c b/onenand_ipl/onenand_boot.c
deleted file mode 100644
index 22baebb31..000000000
--- a/onenand_ipl/onenand_boot.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * (C) Copyright 2005-2008 Samsung Electronics
- * Kyungmin Park <kyungmin.park@samsung.com>
- *
- * Derived from x-loader
- *
- * 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 "onenand_ipl.h"
-
-typedef int (init_fnc_t)(void);
-
-void start_oneboot(void)
-{
- uchar *buf;
-
- buf = (uchar *) CONFIG_SYS_LOAD_ADDR;
-
- onenand_read_block(buf);
-
- ((init_fnc_t *)CONFIG_SYS_LOAD_ADDR)();
-
- /* should never come here */
-}
-
-void hang(void)
-{
- for (;;);
-}
diff --git a/onenand_ipl/onenand_ipl.h b/onenand_ipl/onenand_ipl.h
deleted file mode 100644
index 7ebb3e32d..000000000
--- a/onenand_ipl/onenand_ipl.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * (C) Copyright 2005-2008 Samsung Electronics
- * Kyungmin Park <kyungmin.park@samsung.com>
- *
- * 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
- */
-
-#ifndef _ONENAND_IPL_H
-#define _ONENAND_IPL_H
-
-#include <linux/mtd/onenand_regs.h>
-
-#define onenand_readw(a) readw(THIS_ONENAND(a))
-#define onenand_writew(v, a) writew(v, THIS_ONENAND(a))
-
-#define THIS_ONENAND(a) (CONFIG_SYS_ONENAND_BASE + (a))
-
-#define READ_INTERRUPT() onenand_readw(ONENAND_REG_INTERRUPT)
-
-extern int (*onenand_read_page)(ulong block, ulong page,
- u_char *buf, int pagesize);
-extern int onenand_read_block(unsigned char *buf);
-#endif
diff --git a/onenand_ipl/onenand_read.c b/onenand_ipl/onenand_read.c
deleted file mode 100644
index 8d0df81af..000000000
--- a/onenand_ipl/onenand_read.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * (C) Copyright 2005-2009 Samsung Electronics
- * 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/io.h>
-#include <asm/string.h>
-
-#include "onenand_ipl.h"
-
-#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)
-
-#ifdef __HAVE_ARCH_MEMCPY32
-extern void *memcpy32(void *dest, void *src, int size);
-#endif
-
-int (*onenand_read_page)(ulong block, ulong page, u_char *buf, int pagesize);
-
-/* read a page with ECC */
-static int generic_onenand_read_page(ulong block, ulong page,
- u_char * buf, int pagesize)
-{
- unsigned long *base;
-
-#ifndef __HAVE_ARCH_MEMCPY32
- unsigned int offset, value;
- unsigned long *p;
-#endif
-
- onenand_writew(onenand_block_address(block),
- ONENAND_REG_START_ADDRESS1);
-
- onenand_writew(onenand_bufferram_address(block),
- ONENAND_REG_START_ADDRESS2);
-
- onenand_writew(onenand_sector_address(page),
- ONENAND_REG_START_ADDRESS8);
-
- onenand_writew(onenand_buffer_address(),
- ONENAND_REG_START_BUFFER);
-
- onenand_writew(ONENAND_INT_CLEAR, ONENAND_REG_INTERRUPT);
-
- onenand_writew(ONENAND_CMD_READ, ONENAND_REG_COMMAND);
-
-#ifndef __HAVE_ARCH_MEMCPY32
- p = (unsigned long *) buf;
-#endif
- base = (unsigned long *) (CONFIG_SYS_ONENAND_BASE + ONENAND_DATARAM);
-
- while (!(READ_INTERRUPT() & ONENAND_INT_READ))
- continue;
-
- /* Check for invalid block mark */
- if (page < 2 && (onenand_readw(ONENAND_SPARERAM) != 0xffff))
- return 1;
-
-#ifdef __HAVE_ARCH_MEMCPY32
- /* 32 bytes boundary memory copy */
- memcpy32(buf, base, pagesize);
-#else
- for (offset = 0; offset < (pagesize >> 2); offset++) {
- value = *(base + offset);
- *p++ = value;
- }
-#endif
-
- return 0;
-}
-
-#ifndef CONFIG_ONENAND_START_PAGE
-#define CONFIG_ONENAND_START_PAGE 1
-#endif
-#define ONENAND_PAGES_PER_BLOCK 64
-
-static void onenand_generic_init(int *page_is_4KiB, int *page)
-{
- int dev_id, density;
-
- if (onenand_readw(ONENAND_REG_TECHNOLOGY))
- *page_is_4KiB = 1;
- dev_id = onenand_readw(ONENAND_REG_DEVICE_ID);
- density = dev_id >> ONENAND_DEVICE_DENSITY_SHIFT;
- density &= ONENAND_DEVICE_DENSITY_MASK;
- if (density >= ONENAND_DEVICE_DENSITY_4Gb &&
- !(dev_id & ONENAND_DEVICE_IS_DDP))
- *page_is_4KiB = 1;
-}
-
-/**
- * onenand_read_block - Read CONFIG_SYS_MONITOR_LEN from begining
- * of OneNAND, skipping bad blocks
- * @return 0 on success
- */
-int onenand_read_block(unsigned char *buf)
-{
- int block, nblocks;
- int page = CONFIG_ONENAND_START_PAGE, offset = 0;
- int pagesize, erasesize, erase_shift;
- int page_is_4KiB = 0;
-
- onenand_read_page = generic_onenand_read_page;
-
- onenand_generic_init(&page_is_4KiB, &page);
-
- if (page_is_4KiB) {
- pagesize = 4096; /* OneNAND has 4KiB pagesize */
- erase_shift = 18;
- } else {
- pagesize = 2048; /* OneNAND has 2KiB pagesize */
- erase_shift = 17;
- }
-
- erasesize = (1 << erase_shift);
- nblocks = (CONFIG_SYS_MONITOR_LEN + erasesize - 1) >> erase_shift;
-
- /* NOTE: you must read page from page 1 of block 0 */
- /* read the block page by page */
- for (block = 0; block < nblocks; block++) {
- for (; page < ONENAND_PAGES_PER_BLOCK; page++) {
- if (onenand_read_page(block, page, buf + offset,
- pagesize)) {
- /* This block is bad. Skip it
- * and read next block */
- offset -= page * pagesize;
- nblocks++;
- break;
- }
- offset += pagesize;
- }
- page = 0;
- }
-
- return 0;
-}