| /***************************************************************************** |
| * 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 |
