+++ /dev/null
-/*
- * (C) Copyright 2010-2011 Texas Instruments, <www.ti.com>
- * Mansoor Ahamed <mansoor.ahamed@ti.com>
- *
- * Derived from work done by Rohit Choraria <rohitkc@ti.com> for omap3
- *
- * 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
- */
-#ifndef __ASM_ARCH_OMAP_GPMC_H
-#define __ASM_ARCH_OMAP_GPMC_H
-
-#include <linux/mtd/nand.h>
-
-#define GPMC_BUF_EMPTY 0
-#define GPMC_BUF_FULL 1
-
-#define ECCCLEAR (0x1 << 8)
-#define ECCRESULTREG1 (0x1 << 0)
-#define ECCSIZE512BYTE 0xFF
-#define ECCSIZE1 (ECCSIZE512BYTE << 22)
-#define ECCSIZE0 (ECCSIZE512BYTE << 12)
-#define ECCSIZE0SEL (0x000 << 0)
-
-/* Generic ECC Layouts */
-/* Large Page x8 NAND device Layout */
-#ifdef GPMC_NAND_ECC_LP_x8_LAYOUT
-#define GPMC_NAND_HW_ECC_LAYOUT { \
- .eccbytes = 4 * 13, \
- .eccpos = { 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, \
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, \
- 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, \
- 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, \
- }, \
- .oobfree = { \
- { .offset = 58, .length = 6, }, \
- }, \
-}
-#endif
-
-/* Large Page x16 NAND device Layout */
-#ifdef GPMC_NAND_ECC_LP_x16_LAYOUT
-#define GPMC_NAND_HW_ECC_LAYOUT { \
- .eccbytes = 4 * 3, \
- .eccpos = { 2, 3, 4, \
- 5, 6, 7, \
- 8, 9, 10, \
- 11, 12, 13, \
- }, \
- .oobfree = { \
- { .offset = 14, .length = 50, }, \
- }, \
-}
-#endif
-
-/* NAND device layout in synch with the kernel */
-#ifdef GPMC_NAND_ECC_LP_x16_LAYOUT
-#define GPMC_NAND_HW_ECC_LAYOUT_KERNEL { \
- .eccbytes = 4 * 3, \
- .eccpos = { 40, 41, 42, \
- 43, 44, 45, \
- 46, 47, 48, \
- 49, 50, 51, \
- }, \
- .oobfree = { \
- { .offset = 2, .length = 38, }, \
- }, \
-}
-#endif
-
-/* Small Page x8 NAND device Layout */
-#ifdef GPMC_NAND_ECC_SP_x8_LAYOUT
-#define GPMC_NAND_HW_ECC_LAYOUT { \
- .eccbytes = 3, \
- .eccpos = { 1, 2, 3, }, \
- .oobfree = { \
- { .offset = 4, .length = 12, }, \
- }, \
-}
-#endif
-
-/* Small Page x16 NAND device Layout */
-#ifdef GPMC_NAND_ECC_SP_x16_LAYOUT
-#define GPMC_NAND_HW_ECC_LAYOUT { \
- .eccbytes = 3, \
- .eccpos = { 2, 3, 4, }, \
- .oobfree = { \
- { .offset = 58, .length = 6, }, \
- }, \
-}
-#endif
-
-#define GPMC_NAND_HW_BCH4_ECC_LAYOUT { \
- .eccbytes = 4 * 8, \
- .eccpos = { 2, 3, 4, 5, 6, 7, 8, 9, \
- 10, 11, 12, 13, 14, 15, 16, 17, \
- 18, 19, 20, 21, 22, 23, 24, 25, \
- 26, 27, 28, 29, 30, 31, 32, 33, \
- }, \
- .oobfree = { \
- { .offset = 34, .length = 30, }, \
- }, \
-}
-
-#define GPMC_NAND_HW_BCH8_ECC_LAYOUT { \
- .eccbytes = 4 * 14, \
- .eccpos = { 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, \
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, \
- 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, \
- 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, \
- }, \
- .oobfree = { \
- { .offset = 58, .length = 6, }, \
- } \
-}
-
-#define GPMC_NAND_HW_BCH16_ECC_LAYOUT { \
- .eccbytes = 4 * 26, \
- .eccpos = { 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, \
- 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, \
- 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, \
- 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, \
- 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, \
- 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, \
- 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, \
- 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, \
- }, \
- .oobfree = { \
- { .offset = 106, .length = 8, }, \
- }, \
-}
-
-/*
- * ELM Module Registers
- */
-
-/* ELM registers bit fields */
-#define ELM_SYSCONFIG_SOFTRESET_MASK (0x2)
-#define ELM_SYSCONFIG_SOFTRESET (0x2)
-#define ELM_SYSSTATUS_RESETDONE_MASK (0x1)
-#define ELM_SYSSTATUS_RESETDONE (0x1)
-#define ELM_LOCATION_CONFIG_ECC_BCH_LEVEL_MASK (0x3)
-#define ELM_LOCATION_CONFIG_ECC_SIZE_MASK (0x7FF0000)
-#define ELM_LOCATION_CONFIG_ECC_SIZE_POS (16)
-#define ELM_SYNDROME_FRAGMENT_6_SYNDROME_VALID (0x00010000)
-#define ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK (0x100)
-#define ELM_LOCATION_STATUS_ECC_NB_ERRORS_MASK (0x1F)
-
-#ifndef __KERNEL_STRICT_NAMES
-#ifndef __ASSEMBLY__
-
-enum bch_level {
- BCH_4_BIT = 0,
- BCH_8_BIT,
- BCH_16_BIT
-};
-
-
-/* BCH syndrome registers */
-struct syndrome {
- u32 syndrome_fragment_x[7]; /* 0x400, 0x404.... 0x418 */
- u8 res1[36]; /* 0x41c */
-};
-
-/* BCH error status & location register */
-struct location {
- u32 location_status; /* 0x800 */
- u8 res1[124]; /* 0x804 */
- u32 error_location_x[16]; /* 0x880.... */
- u8 res2[64]; /* 0x8c0 */
-};
-
-/* BCH ELM register map - do not try to allocate memmory for this structure.
- * We have used plenty of reserved variables to fill the slots in the ELM
- * register memory map.
- * Directly initialize the struct pointer to ELM base address.
- */
-struct elm {
- u32 rev; /* 0x000 */
- u8 res1[12]; /* 0x004 */
- u32 sysconfig; /* 0x010 */
- u32 sysstatus; /* 0x014 */
- u32 irqstatus; /* 0x018 */
- u32 irqenable; /* 0x01c */
- u32 location_config; /* 0x020 */
- u8 res2[92]; /* 0x024 */
- u32 page_ctrl; /* 0x080 */
- u8 res3[892]; /* 0x084 */
- struct syndrome syndrome_fragments[8]; /* 0x400 */
- u8 res4[512]; /* 0x600 */
- struct location error_location[8]; /* 0x800 */
-};
-
-int elm_check_error(u8 *syndrome, u32 nibbles, u32 *error_count,
- u32 *error_locations);
-int elm_config(enum bch_level level);
-void elm_reset(void);
-void elm_init(void);
-void am33xx_nand_switch_ecc(nand_ecc_modes_t hardware, int32_t mode);
-#endif /* __ASSEMBLY__ */
-#endif /* __KERNEL_STRICT_NAMES */
-
-
-#endif /* __ASM_ARCH_OMAP_GPMC_H */
projects / karo-tx-uboot.git / commitdiff