1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (c) 2006 Thomas Gleixner <tglx@linutronix.de>
4 *
5 * Info:
6 * Contains defines, datastructures for ndfc nand controller
7 */
8 #ifndef __LINUX_MTD_NDFC_H
9 #define __LINUX_MTD_NDFC_H
10
11 /* NDFC Register definitions */
12 #define NDFC_CMD 0x00
13 #define NDFC_ALE 0x04
14 #define NDFC_DATA 0x08
15 #define NDFC_ECC 0x10
16 #define NDFC_BCFG0 0x30
17 #define NDFC_BCFG1 0x34
18 #define NDFC_BCFG2 0x38
19 #define NDFC_BCFG3 0x3c
20 #define NDFC_CCR 0x40
21 #define NDFC_STAT 0x44
22 #define NDFC_HWCTL 0x48
23 #define NDFC_REVID 0x50
24
25 #define NDFC_STAT_IS_READY 0x01000000
26
27 #define NDFC_CCR_RESET_CE 0x80000000 /* CE Reset */
28 #define NDFC_CCR_RESET_ECC 0x40000000 /* ECC Reset */
29 #define NDFC_CCR_RIE 0x20000000 /* Interrupt Enable on Device Rdy */
30 #define NDFC_CCR_REN 0x10000000 /* Enable wait for Rdy in LinearR */
31 #define NDFC_CCR_ROMEN 0x08000000 /* Enable ROM In LinearR */
32 #define NDFC_CCR_ARE 0x04000000 /* Auto-Read Enable */
33 #define NDFC_CCR_BS(x) (((x) & 0x3) << 24) /* Select Bank on CE[x] */
34 #define NDFC_CCR_BS_MASK 0x03000000 /* Select Bank */
35 #define NDFC_CCR_ARAC0 0x00000000 /* 3 Addr, 1 Col 2 Row 512b page */
36 #define NDFC_CCR_ARAC1 0x00001000 /* 4 Addr, 1 Col 3 Row 512b page */
37 #define NDFC_CCR_ARAC2 0x00002000 /* 4 Addr, 2 Col 2 Row 2K page */
38 #define NDFC_CCR_ARAC3 0x00003000 /* 5 Addr, 2 Col 3 Row 2K page */
39 #define NDFC_CCR_ARAC_MASK 0x00003000 /* Auto-Read mode Addr Cycles */
40 #define NDFC_CCR_RPG 0x0000C000 /* Auto-Read Page */
41 #define NDFC_CCR_EBCC 0x00000004 /* EBC Configuration Completed */
42 #define NDFC_CCR_DHC 0x00000002 /* Direct Hardware Control Enable */
43
44 #define NDFC_BxCFG_EN 0x80000000 /* Bank Enable */
45 #define NDFC_BxCFG_CED 0x40000000 /* nCE Style */
46 #define NDFC_BxCFG_SZ_MASK 0x08000000 /* Bank Size */
47 #define NDFC_BxCFG_SZ_8BIT 0x00000000 /* 8bit */
48 #define NDFC_BxCFG_SZ_16BIT 0x08000000 /* 16bit */
49
50 #define NDFC_MAX_BANKS 4
51
52 struct ndfc_controller_settings {
53 uint32_t ccr_settings;
54 uint64_t ndfc_erpn;
55 };
56
57 struct ndfc_chip_settings {
58 uint32_t bank_settings;
59 };
60
61 #endif
62
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.