xref: /openbmc/u-boot/drivers/mtd/nand/raw/tegra_nand.h (revision 5c8fd32b)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2011 NVIDIA Corporation <www.nvidia.com>
4  */
5 
6 /* register offset */
7 #define COMMAND_0		0x00
8 #define CMD_GO			(1 << 31)
9 #define CMD_CLE			(1 << 30)
10 #define CMD_ALE			(1 << 29)
11 #define CMD_PIO			(1 << 28)
12 #define CMD_TX			(1 << 27)
13 #define CMD_RX			(1 << 26)
14 #define CMD_SEC_CMD		(1 << 25)
15 #define CMD_AFT_DAT_MASK	(1 << 24)
16 #define CMD_AFT_DAT_DISABLE	0
17 #define CMD_AFT_DAT_ENABLE	(1 << 24)
18 #define CMD_TRANS_SIZE_SHIFT	20
19 #define CMD_TRANS_SIZE_PAGE	8
20 #define CMD_A_VALID		(1 << 19)
21 #define CMD_B_VALID		(1 << 18)
22 #define CMD_RD_STATUS_CHK	(1 << 17)
23 #define CMD_R_BSY_CHK		(1 << 16)
24 #define CMD_CE7			(1 << 15)
25 #define CMD_CE6			(1 << 14)
26 #define CMD_CE5			(1 << 13)
27 #define CMD_CE4			(1 << 12)
28 #define CMD_CE3			(1 << 11)
29 #define CMD_CE2			(1 << 10)
30 #define CMD_CE1			(1 << 9)
31 #define CMD_CE0			(1 << 8)
32 #define CMD_CLE_BYTE_SIZE_SHIFT	4
33 enum {
34 	CMD_CLE_BYTES1 = 0,
35 	CMD_CLE_BYTES2,
36 	CMD_CLE_BYTES3,
37 	CMD_CLE_BYTES4,
38 };
39 #define CMD_ALE_BYTE_SIZE_SHIFT	0
40 enum {
41 	CMD_ALE_BYTES1 = 0,
42 	CMD_ALE_BYTES2,
43 	CMD_ALE_BYTES3,
44 	CMD_ALE_BYTES4,
45 	CMD_ALE_BYTES5,
46 	CMD_ALE_BYTES6,
47 	CMD_ALE_BYTES7,
48 	CMD_ALE_BYTES8
49 };
50 
51 #define STATUS_0			0x04
52 #define STATUS_RBSY0			(1 << 8)
53 
54 #define ISR_0				0x08
55 #define ISR_IS_CMD_DONE			(1 << 5)
56 #define ISR_IS_ECC_ERR			(1 << 4)
57 
58 #define IER_0				0x0C
59 
60 #define CFG_0				0x10
61 #define CFG_HW_ECC_MASK			(1 << 31)
62 #define CFG_HW_ECC_DISABLE		0
63 #define CFG_HW_ECC_ENABLE		(1 << 31)
64 #define CFG_HW_ECC_SEL_MASK		(1 << 30)
65 #define CFG_HW_ECC_SEL_HAMMING		0
66 #define CFG_HW_ECC_SEL_RS		(1 << 30)
67 #define CFG_HW_ECC_CORRECTION_MASK	(1 << 29)
68 #define CFG_HW_ECC_CORRECTION_DISABLE	0
69 #define CFG_HW_ECC_CORRECTION_ENABLE	(1 << 29)
70 #define CFG_PIPELINE_EN_MASK		(1 << 28)
71 #define CFG_PIPELINE_EN_DISABLE		0
72 #define CFG_PIPELINE_EN_ENABLE		(1 << 28)
73 #define CFG_ECC_EN_TAG_MASK		(1 << 27)
74 #define CFG_ECC_EN_TAG_DISABLE		0
75 #define CFG_ECC_EN_TAG_ENABLE		(1 << 27)
76 #define CFG_TVALUE_MASK			(3 << 24)
77 enum {
78 	CFG_TVAL4 = 0 << 24,
79 	CFG_TVAL6 = 1 << 24,
80 	CFG_TVAL8 = 2 << 24
81 };
82 #define CFG_SKIP_SPARE_MASK		(1 << 23)
83 #define CFG_SKIP_SPARE_DISABLE		0
84 #define CFG_SKIP_SPARE_ENABLE		(1 << 23)
85 #define CFG_COM_BSY_MASK		(1 << 22)
86 #define CFG_COM_BSY_DISABLE		0
87 #define CFG_COM_BSY_ENABLE		(1 << 22)
88 #define CFG_BUS_WIDTH_MASK		(1 << 21)
89 #define CFG_BUS_WIDTH_8BIT		0
90 #define CFG_BUS_WIDTH_16BIT		(1 << 21)
91 #define CFG_LPDDR1_MODE_MASK		(1 << 20)
92 #define CFG_LPDDR1_MODE_DISABLE		0
93 #define CFG_LPDDR1_MODE_ENABLE		(1 << 20)
94 #define CFG_EDO_MODE_MASK		(1 << 19)
95 #define CFG_EDO_MODE_DISABLE		0
96 #define CFG_EDO_MODE_ENABLE		(1 << 19)
97 #define CFG_PAGE_SIZE_SEL_MASK		(7 << 16)
98 enum {
99 	CFG_PAGE_SIZE_256	= 0 << 16,
100 	CFG_PAGE_SIZE_512	= 1 << 16,
101 	CFG_PAGE_SIZE_1024	= 2 << 16,
102 	CFG_PAGE_SIZE_2048	= 3 << 16,
103 	CFG_PAGE_SIZE_4096	= 4 << 16
104 };
105 #define CFG_SKIP_SPARE_SEL_MASK		(3 << 14)
106 enum {
107 	CFG_SKIP_SPARE_SEL_4	= 0 << 14,
108 	CFG_SKIP_SPARE_SEL_8	= 1 << 14,
109 	CFG_SKIP_SPARE_SEL_12	= 2 << 14,
110 	CFG_SKIP_SPARE_SEL_16	= 3 << 14
111 };
112 #define CFG_TAG_BYTE_SIZE_MASK	0x1FF
113 
114 #define TIMING_0			0x14
115 #define TIMING_TRP_RESP_CNT_SHIFT	28
116 #define TIMING_TRP_RESP_CNT_MASK	(0xf << TIMING_TRP_RESP_CNT_SHIFT)
117 #define TIMING_TWB_CNT_SHIFT		24
118 #define TIMING_TWB_CNT_MASK		(0xf << TIMING_TWB_CNT_SHIFT)
119 #define TIMING_TCR_TAR_TRR_CNT_SHIFT	20
120 #define TIMING_TCR_TAR_TRR_CNT_MASK	(0xf << TIMING_TCR_TAR_TRR_CNT_SHIFT)
121 #define TIMING_TWHR_CNT_SHIFT		16
122 #define TIMING_TWHR_CNT_MASK		(0xf << TIMING_TWHR_CNT_SHIFT)
123 #define TIMING_TCS_CNT_SHIFT		14
124 #define TIMING_TCS_CNT_MASK		(3 << TIMING_TCS_CNT_SHIFT)
125 #define TIMING_TWH_CNT_SHIFT		12
126 #define TIMING_TWH_CNT_MASK		(3 << TIMING_TWH_CNT_SHIFT)
127 #define TIMING_TWP_CNT_SHIFT		8
128 #define TIMING_TWP_CNT_MASK		(0xf << TIMING_TWP_CNT_SHIFT)
129 #define TIMING_TRH_CNT_SHIFT		4
130 #define TIMING_TRH_CNT_MASK		(3 << TIMING_TRH_CNT_SHIFT)
131 #define TIMING_TRP_CNT_SHIFT		0
132 #define TIMING_TRP_CNT_MASK		(0xf << TIMING_TRP_CNT_SHIFT)
133 
134 #define RESP_0				0x18
135 
136 #define TIMING2_0			0x1C
137 #define TIMING2_TADL_CNT_SHIFT		0
138 #define TIMING2_TADL_CNT_MASK		(0xf << TIMING2_TADL_CNT_SHIFT)
139 
140 #define CMD_REG1_0			0x20
141 #define CMD_REG2_0			0x24
142 #define ADDR_REG1_0			0x28
143 #define ADDR_REG2_0			0x2C
144 
145 #define DMA_MST_CTRL_0			0x30
146 #define DMA_MST_CTRL_GO_MASK		(1 << 31)
147 #define DMA_MST_CTRL_GO_DISABLE		0
148 #define DMA_MST_CTRL_GO_ENABLE		(1 << 31)
149 #define DMA_MST_CTRL_DIR_MASK		(1 << 30)
150 #define DMA_MST_CTRL_DIR_READ		0
151 #define DMA_MST_CTRL_DIR_WRITE		(1 << 30)
152 #define DMA_MST_CTRL_PERF_EN_MASK	(1 << 29)
153 #define DMA_MST_CTRL_PERF_EN_DISABLE	0
154 #define DMA_MST_CTRL_PERF_EN_ENABLE	(1 << 29)
155 #define DMA_MST_CTRL_REUSE_BUFFER_MASK	(1 << 27)
156 #define DMA_MST_CTRL_REUSE_BUFFER_DISABLE	0
157 #define DMA_MST_CTRL_REUSE_BUFFER_ENABLE	(1 << 27)
158 #define DMA_MST_CTRL_BURST_SIZE_SHIFT	24
159 #define DMA_MST_CTRL_BURST_SIZE_MASK	(7 << DMA_MST_CTRL_BURST_SIZE_SHIFT)
160 enum {
161 	DMA_MST_CTRL_BURST_1WORDS	= 2 << DMA_MST_CTRL_BURST_SIZE_SHIFT,
162 	DMA_MST_CTRL_BURST_4WORDS	= 3 << DMA_MST_CTRL_BURST_SIZE_SHIFT,
163 	DMA_MST_CTRL_BURST_8WORDS	= 4 << DMA_MST_CTRL_BURST_SIZE_SHIFT,
164 	DMA_MST_CTRL_BURST_16WORDS	= 5 << DMA_MST_CTRL_BURST_SIZE_SHIFT
165 };
166 #define DMA_MST_CTRL_IS_DMA_DONE	(1 << 20)
167 #define DMA_MST_CTRL_EN_A_MASK		(1 << 2)
168 #define DMA_MST_CTRL_EN_A_DISABLE	0
169 #define DMA_MST_CTRL_EN_A_ENABLE	(1 << 2)
170 #define DMA_MST_CTRL_EN_B_MASK		(1 << 1)
171 #define DMA_MST_CTRL_EN_B_DISABLE	0
172 #define DMA_MST_CTRL_EN_B_ENABLE	(1 << 1)
173 
174 #define DMA_CFG_A_0			0x34
175 #define DMA_CFG_B_0			0x38
176 #define FIFO_CTRL_0			0x3C
177 #define DATA_BLOCK_PTR_0		0x40
178 #define TAG_PTR_0			0x44
179 #define ECC_PTR_0			0x48
180 
181 #define DEC_STATUS_0			0x4C
182 #define DEC_STATUS_A_ECC_FAIL		(1 << 1)
183 #define DEC_STATUS_B_ECC_FAIL		(1 << 0)
184 
185 #define BCH_CONFIG_0			0xCC
186 #define BCH_CONFIG_BCH_TVALUE_SHIFT	4
187 #define BCH_CONFIG_BCH_TVALUE_MASK	(3 << BCH_CONFIG_BCH_TVALUE_SHIFT)
188 enum {
189 	BCH_CONFIG_BCH_TVAL4	= 0 << BCH_CONFIG_BCH_TVALUE_SHIFT,
190 	BCH_CONFIG_BCH_TVAL8	= 1 << BCH_CONFIG_BCH_TVALUE_SHIFT,
191 	BCH_CONFIG_BCH_TVAL14	= 2 << BCH_CONFIG_BCH_TVALUE_SHIFT,
192 	BCH_CONFIG_BCH_TVAL16	= 3 << BCH_CONFIG_BCH_TVALUE_SHIFT
193 };
194 #define BCH_CONFIG_BCH_ECC_MASK		(1 << 0)
195 #define BCH_CONFIG_BCH_ECC_DISABLE	0
196 #define BCH_CONFIG_BCH_ECC_ENABLE	(1 << 0)
197 
198 #define BCH_DEC_RESULT_0			0xD0
199 #define BCH_DEC_RESULT_CORRFAIL_ERR_MASK	(1 << 8)
200 #define BCH_DEC_RESULT_PAGE_COUNT_MASK		0xFF
201 
202 #define BCH_DEC_STATUS_BUF_0			0xD4
203 #define BCH_DEC_STATUS_FAIL_SEC_FLAG_MASK	0xFF000000
204 #define BCH_DEC_STATUS_CORR_SEC_FLAG_MASK	0x00FF0000
205 #define BCH_DEC_STATUS_FAIL_TAG_MASK		(1 << 14)
206 #define BCH_DEC_STATUS_CORR_TAG_MASK		(1 << 13)
207 #define BCH_DEC_STATUS_MAX_CORR_CNT_MASK	(0x1f << 8)
208 #define BCH_DEC_STATUS_PAGE_NUMBER_MASK		0xFF
209 
210 #define LP_OPTIONS	0
211 
212 struct nand_ctlr {
213 	u32	command;	/* offset 00h */
214 	u32	status;		/* offset 04h */
215 	u32	isr;		/* offset 08h */
216 	u32	ier;		/* offset 0Ch */
217 	u32	config;		/* offset 10h */
218 	u32	timing;		/* offset 14h */
219 	u32	resp;		/* offset 18h */
220 	u32	timing2;	/* offset 1Ch */
221 	u32	cmd_reg1;	/* offset 20h */
222 	u32	cmd_reg2;	/* offset 24h */
223 	u32	addr_reg1;	/* offset 28h */
224 	u32	addr_reg2;	/* offset 2Ch */
225 	u32	dma_mst_ctrl;	/* offset 30h */
226 	u32	dma_cfg_a;	/* offset 34h */
227 	u32	dma_cfg_b;	/* offset 38h */
228 	u32	fifo_ctrl;	/* offset 3Ch */
229 	u32	data_block_ptr;	/* offset 40h */
230 	u32	tag_ptr;	/* offset 44h */
231 	u32	resv1;		/* offset 48h */
232 	u32	dec_status;	/* offset 4Ch */
233 	u32	hwstatus_cmd;	/* offset 50h */
234 	u32	hwstatus_mask;	/* offset 54h */
235 	u32	resv2[29];
236 	u32	bch_config;	/* offset CCh */
237 	u32	bch_dec_result;	/* offset D0h */
238 	u32	bch_dec_status_buf;
239 				/* offset D4h */
240 };
241