/* * Freescale GPMI NAND Flash Driver * * Copyright 2008-2011 Freescale Semiconductor, Inc. * Copyright 2008 Embedded Alley Solutions, Inc. * * 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef __GPMI_NAND_GPMI_REGS_H #define __GPMI_NAND_GPMI_REGS_H #define HW_GPMI_CTRL0 0x00000000 #define HW_GPMI_CTRL0_SET 0x00000004 #define HW_GPMI_CTRL0_CLR 0x00000008 #define HW_GPMI_CTRL0_TOG 0x0000000c #define BP_GPMI_CTRL0_COMMAND_MODE 24 #define BM_GPMI_CTRL0_COMMAND_MODE (3 << BP_GPMI_CTRL0_COMMAND_MODE) #define BF_GPMI_CTRL0_COMMAND_MODE(v) \ (((v) << BP_GPMI_CTRL0_COMMAND_MODE) & BM_GPMI_CTRL0_COMMAND_MODE) #define BV_GPMI_CTRL0_COMMAND_MODE__WRITE 0x0 #define BV_GPMI_CTRL0_COMMAND_MODE__READ 0x1 #define BV_GPMI_CTRL0_COMMAND_MODE__READ_AND_COMPARE 0x2 #define BV_GPMI_CTRL0_COMMAND_MODE__WAIT_FOR_READY 0x3 #define BM_GPMI_CTRL0_WORD_LENGTH (1 << 23) #define BV_GPMI_CTRL0_WORD_LENGTH__16_BIT 0x0 #define BV_GPMI_CTRL0_WORD_LENGTH__8_BIT 0x1 /* * Difference in LOCK_CS between imx23 and imx28 : * This bit may impact the _POWER_ consumption. So some chips * do not set it. */ #define MX23_BP_GPMI_CTRL0_LOCK_CS 22 #define MX28_BP_GPMI_CTRL0_LOCK_CS 27 #define LOCK_CS_ENABLE 0x1 #define BF_GPMI_CTRL0_LOCK_CS(v, x) 0x0 /* Difference in CS between imx23 and imx28 */ #define BP_GPMI_CTRL0_CS 20 #define MX23_BM_GPMI_CTRL0_CS (3 << BP_GPMI_CTRL0_CS) #define MX28_BM_GPMI_CTRL0_CS (7 << BP_GPMI_CTRL0_CS) #define BF_GPMI_CTRL0_CS(v, x) (((v) << BP_GPMI_CTRL0_CS) & \ (GPMI_IS_MX23((x)) \ ? MX23_BM_GPMI_CTRL0_CS \ : MX28_BM_GPMI_CTRL0_CS)) #define BP_GPMI_CTRL0_ADDRESS 17 #define BM_GPMI_CTRL0_ADDRESS (3 << BP_GPMI_CTRL0_ADDRESS) #define BF_GPMI_CTRL0_ADDRESS(v) \ (((v) << BP_GPMI_CTRL0_ADDRESS) & BM_GPMI_CTRL0_ADDRESS) #define BV_GPMI_CTRL0_ADDRESS__NAND_DATA 0x0 #define BV_GPMI_CTRL0_ADDRESS__NAND_CLE 0x1 #define BV_GPMI_CTRL0_ADDRESS__NAND_ALE 0x2 #define BM_GPMI_CTRL0_ADDRESS_INCREMENT (1 << 16) #define BV_GPMI_CTRL0_ADDRESS_INCREMENT__DISABLED 0x0 #define BV_GPMI_CTRL0_ADDRESS_INCREMENT__ENABLED 0x1 #define BP_GPMI_CTRL0_XFER_COUNT 0 #define BM_GPMI_CTRL0_XFER_COUNT (0xffff << BP_GPMI_CTRL0_XFER_COUNT) #define BF_GPMI_CTRL0_XFER_COUNT(v) \ (((v) << BP_GPMI_CTRL0_XFER_COUNT) & BM_GPMI_CTRL0_XFER_COUNT) #define HW_GPMI_COMPARE 0x00000010 #define HW_GPMI_ECCCTRL 0x00000020 #define HW_GPMI_ECCCTRL_SET 0x00000024 #define HW_GPMI_ECCCTRL_CLR 0x00000028 #define HW_GPMI_ECCCTRL_TOG 0x0000002c #define BP_GPMI_ECCCTRL_ECC_CMD 13 #define BM_GPMI_ECCCTRL_ECC_CMD (3 << BP_GPMI_ECCCTRL_ECC_CMD) #define BF_GPMI_ECCCTRL_ECC_CMD(v) \ (((v) << BP_GPMI_ECCCTRL_ECC_CMD) & BM_GPMI_ECCCTRL_ECC_CMD) #define BV_GPMI_ECCCTRL_ECC_CMD__BCH_DECODE 0x0 #define BV_GPMI_ECCCTRL_ECC_CMD__BCH_ENCODE 0x1 #define BM_GPMI_ECCCTRL_ENABLE_ECC (1 << 12) #define BV_GPMI_ECCCTRL_ENABLE_ECC__ENABLE 0x1 #define BV_GPMI_ECCCTRL_ENABLE_ECC__DISABLE 0x0 #define BP_GPMI_ECCCTRL_BUFFER_MASK 0 #define BM_GPMI_ECCCTRL_BUFFER_MASK (0x1ff << BP_GPMI_ECCCTRL_BUFFER_MASK) #define BF_GPMI_ECCCTRL_BUFFER_MASK(v) \ (((v) << BP_GPMI_ECCCTRL_BUFFER_MASK) & BM_GPMI_ECCCTRL_BUFFER_MASK) #define BV_GPMI_ECCCTRL_BUFFER_MASK__BCH_AUXONLY 0x100 #define BV_GPMI_ECCCTRL_BUFFER_MASK__BCH_PAGE 0x1FF #define HW_GPMI_ECCCOUNT 0x00000030 #define HW_GPMI_PAYLOAD 0x00000040 #define HW_GPMI_AUXILIARY 0x00000050 #define HW_GPMI_CTRL1 0x00000060 #define HW_GPMI_CTRL1_SET 0x00000064 #define HW_GPMI_CTRL1_CLR 0x00000068 #define HW_GPMI_CTRL1_TOG 0x0000006c #define BM_GPMI_CTRL1_BCH_MODE (1 << 18) #define BP_GPMI_CTRL1_DLL_ENABLE 17 #define BM_GPMI_CTRL1_DLL_ENABLE (1 << BP_GPMI_CTRL1_DLL_ENABLE) #define BP_GPMI_CTRL1_HALF_PERIOD 16 #define BM_GPMI_CTRL1_HALF_PERIOD (1 << BP_GPMI_CTRL1_HALF_PERIOD) #define BP_GPMI_CTRL1_RDN_DELAY 12 #define BM_GPMI_CTRL1_RDN_DELAY (0xf << BP_GPMI_CTRL1_RDN_DELAY) #define BF_GPMI_CTRL1_RDN_DELAY(v) \ (((v) << BP_GPMI_CTRL1_RDN_DELAY) & BM_GPMI_CTRL1_RDN_DELAY) #define BM_GPMI_CTRL1_DEV_RESET (1 << 3) #define BV_GPMI_CTRL1_DEV_RESET__ENABLED 0x0 #define BV_GPMI_CTRL1_DEV_RESET__DISABLED 0x1 #define BM_GPMI_CTRL1_ATA_IRQRDY_POLARITY (1 << 2) #define BV_GPMI_CTRL1_ATA_IRQRDY_POLARITY__ACTIVELOW 0x0 #define BV_GPMI_CTRL1_ATA_IRQRDY_POLARITY__ACTIVEHIGH 0x1 #define BM_GPMI_CTRL1_CAMERA_MODE (1 << 1) #define BV_GPMI_CTRL1_GPMI_MODE__NAND 0x0 #define BV_GPMI_CTRL1_GPMI_MODE__ATA 0x1 #define BM_GPMI_CTRL1_GPMI_MODE (1 << 0) #define HW_GPMI_TIMING0 0x00000070 #define BP_GPMI_TIMING0_ADDRESS_SETUP 16 #define BM_GPMI_TIMING0_ADDRESS_SETUP (0xff << BP_GPMI_TIMING0_ADDRESS_SETUP) #define BF_GPMI_TIMING0_ADDRESS_SETUP(v) \ (((v) << BP_GPMI_TIMING0_ADDRESS_SETUP) & BM_GPMI_TIMING0_ADDRESS_SETUP) #define BP_GPMI_TIMING0_DATA_HOLD 8 #define BM_GPMI_TIMING0_DATA_HOLD (0xff << BP_GPMI_TIMING0_DATA_HOLD) #define BF_GPMI_TIMING0_DATA_HOLD(v) \ (((v) << BP_GPMI_TIMING0_DATA_HOLD) & BM_GPMI_TIMING0_DATA_HOLD) #define BP_GPMI_TIMING0_DATA_SETUP 0 #define BM_GPMI_TIMING0_DATA_SETUP (0xff << BP_GPMI_TIMING0_DATA_SETUP) #define BF_GPMI_TIMING0_DATA_SETUP(v) \ (((v) << BP_GPMI_TIMING0_DATA_SETUP) & BM_GPMI_TIMING0_DATA_SETUP) #define HW_GPMI_TIMING1 0x00000080 #define BP_GPMI_TIMING1_BUSY_TIMEOUT 16 #define HW_GPMI_TIMING2 0x00000090 #define HW_GPMI_DATA 0x000000a0 /* MX28 uses this to detect READY. */ #define HW_GPMI_STAT 0x000000b0 #define MX28_BP_GPMI_STAT_READY_BUSY 24 #define MX28_BM_GPMI_STAT_READY_BUSY (0xff << MX28_BP_GPMI_STAT_READY_BUSY) #define MX28_BF_GPMI_STAT_READY_BUSY(v) \ (((v) << MX28_BP_GPMI_STAT_READY_BUSY) & MX28_BM_GPMI_STAT_READY_BUSY) /* MX23 uses this to detect READY. */ #define HW_GPMI_DEBUG 0x000000c0 #define MX23_BP_GPMI_DEBUG_READY0 28 #define MX23_BM_GPMI_DEBUG_READY0 (1 << MX23_BP_GPMI_DEBUG_READY0) #endif