| /* |
| * 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 |
