67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/*****************************************************************************
|
|
* Copyright 2001 - 2008 Broadcom Corporation. All rights reserved.
|
|
*
|
|
* Unless you and Broadcom execute a separate written software license
|
|
* agreement governing use of this software, this software is licensed to you
|
|
* under the terms of the GNU General Public License version 2, available at
|
|
* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
|
|
*
|
|
* Notwithstanding the above, under no circumstances may you combine this
|
|
* software in any way with any other Broadcom software provided under a
|
|
* license other than the GPL, without Broadcom's express prior written
|
|
* consent.
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
*
|
|
*****************************************************************************
|
|
*
|
|
* REG_NAND.h
|
|
*
|
|
* PURPOSE:
|
|
*
|
|
* This file contains definitions for the nand registers:
|
|
*
|
|
* NOTES:
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#if !defined(__ASM_ARCH_REG_NAND_H)
|
|
#define __ASM_ARCH_REG_NAND_H
|
|
|
|
/* ---- Include Files ---------------------------------------------------- */
|
|
#include <csp/reg.h>
|
|
#include <mach/reg_umi.h>
|
|
|
|
/* ---- Constants and Types ---------------------------------------------- */
|
|
|
|
#define HW_NAND_BASE MM_IO_BASE_NAND /* NAND Flash */
|
|
|
|
/* DMA accesses by the bootstrap need hard nonvirtual addresses */
|
|
#define REG_NAND_CMD __REG16(HW_NAND_BASE + 0)
|
|
#define REG_NAND_ADDR __REG16(HW_NAND_BASE + 4)
|
|
|
|
#define REG_NAND_PHYS_DATA16 (HW_NAND_BASE + 8)
|
|
#define REG_NAND_PHYS_DATA8 (HW_NAND_BASE + 8)
|
|
#define REG_NAND_DATA16 __REG16(REG_NAND_PHYS_DATA16)
|
|
#define REG_NAND_DATA8 __REG8(REG_NAND_PHYS_DATA8)
|
|
|
|
/* use appropriate offset to make sure it start at the 1K boundary */
|
|
#define REG_NAND_PHYS_DATA_DMA (HW_NAND_BASE + 0x400)
|
|
#define REG_NAND_DATA_DMA __REG32(REG_NAND_PHYS_DATA_DMA)
|
|
|
|
/* Linux DMA requires physical address of the data register */
|
|
#define REG_NAND_DATA16_PADDR HW_IO_VIRT_TO_PHYS(REG_NAND_PHYS_DATA16)
|
|
#define REG_NAND_DATA8_PADDR HW_IO_VIRT_TO_PHYS(REG_NAND_PHYS_DATA8)
|
|
#define REG_NAND_DATA_PADDR HW_IO_VIRT_TO_PHYS(REG_NAND_PHYS_DATA_DMA)
|
|
|
|
#define NAND_BUS_16BIT() (0)
|
|
#define NAND_BUS_8BIT() (!NAND_BUS_16BIT())
|
|
|
|
/* Register offsets */
|
|
#define REG_NAND_CMD_OFFSET (0)
|
|
#define REG_NAND_ADDR_OFFSET (4)
|
|
#define REG_NAND_DATA8_OFFSET (8)
|
|
|
|
#endif
|