1 /*****************************************************************************
2 * Copyright 2005 - 2008 Broadcom Corporation.  All rights reserved.
3 *
4 * Unless you and Broadcom execute a separate written software license
5 * agreement governing use of this software, this software is licensed to you
6 * under the terms of the GNU General Public License version 2, available at
7 * http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
8 *
9 * Notwithstanding the above, under no circumstances may you combine this
10 * software in any way with any other Broadcom software provided under a
11 * license other than the GPL, without Broadcom's express prior written
12 * consent.
13 *****************************************************************************/
14 
15 /*
16 *
17 *****************************************************************************
18 *
19 *  REG_UMI.h
20 *
21 *  PURPOSE:
22 *
23 *     This file contains definitions for the nand registers:
24 *
25 *  NOTES:
26 *
27 *****************************************************************************/
28 
29 #if !defined(__ASM_ARCH_REG_UMI_H)
30 #define __ASM_ARCH_REG_UMI_H
31 
32 /* ---- Include Files ---------------------------------------------------- */
33 #include <csp/reg.h>
34 #include <mach/csp/mm_io.h>
35 
36 /* ---- Constants and Types ---------------------------------------------- */
37 
38 /* Unified Memory Interface Ctrl Register */
39 #define HW_UMI_BASE       MM_IO_BASE_UMI
40 
41 /* Flash bank 0 timing and control register */
42 #define REG_UMI_FLASH0_TCR         __REG32(HW_UMI_BASE  + 0x00)
43 /* Flash bank 1 timing and control register */
44 #define REG_UMI_FLASH1_TCR         __REG32(HW_UMI_BASE  + 0x04)
45 /* Flash bank 2 timing and control register */
46 #define REG_UMI_FLASH2_TCR         __REG32(HW_UMI_BASE  + 0x08)
47 /* MMD interface and control register */
48 #define REG_UMI_MMD_ICR            __REG32(HW_UMI_BASE  + 0x0c)
49 /* NAND timing and control register */
50 #define REG_UMI_NAND_TCR           __REG32(HW_UMI_BASE  + 0x18)
51 /* NAND ready/chip select register */
52 #define REG_UMI_NAND_RCSR          __REG32(HW_UMI_BASE  + 0x1c)
53 /* NAND ECC control & status register */
54 #define REG_UMI_NAND_ECC_CSR       __REG32(HW_UMI_BASE  + 0x20)
55 /* NAND ECC data register XXB2B1B0 */
56 #define REG_UMI_NAND_ECC_DATA      __REG32(HW_UMI_BASE  + 0x24)
57 /* BCH ECC Parameter N */
58 #define REG_UMI_BCH_N              __REG32(HW_UMI_BASE  + 0x40)
59 /* BCH ECC Parameter T */
60 #define REG_UMI_BCH_K              __REG32(HW_UMI_BASE  + 0x44)
61 /* BCH ECC Parameter K */
62 #define REG_UMI_BCH_T              __REG32(HW_UMI_BASE  + 0x48)
63 /* BCH ECC Contro Status */
64 #define REG_UMI_BCH_CTRL_STATUS    __REG32(HW_UMI_BASE  + 0x4C)
65 /* BCH WR ECC 31:0 */
66 #define REG_UMI_BCH_WR_ECC_0       __REG32(HW_UMI_BASE  + 0x50)
67 /* BCH WR ECC 63:32 */
68 #define REG_UMI_BCH_WR_ECC_1       __REG32(HW_UMI_BASE  + 0x54)
69 /* BCH WR ECC 95:64 */
70 #define REG_UMI_BCH_WR_ECC_2       __REG32(HW_UMI_BASE  + 0x58)
71 /* BCH WR ECC 127:96 */
72 #define REG_UMI_BCH_WR_ECC_3       __REG32(HW_UMI_BASE  + 0x5c)
73 /* BCH WR ECC 155:128 */
74 #define REG_UMI_BCH_WR_ECC_4       __REG32(HW_UMI_BASE  + 0x60)
75 /* BCH Read Error Location 1,0 */
76 #define REG_UMI_BCH_RD_ERR_LOC_1_0 __REG32(HW_UMI_BASE  + 0x64)
77 /* BCH Read Error Location 3,2 */
78 #define REG_UMI_BCH_RD_ERR_LOC_3_2 __REG32(HW_UMI_BASE  + 0x68)
79 /* BCH Read Error Location 5,4 */
80 #define REG_UMI_BCH_RD_ERR_LOC_5_4 __REG32(HW_UMI_BASE  + 0x6c)
81 /* BCH Read Error Location 7,6 */
82 #define REG_UMI_BCH_RD_ERR_LOC_7_6 __REG32(HW_UMI_BASE  + 0x70)
83 /* BCH Read Error Location 9,8 */
84 #define REG_UMI_BCH_RD_ERR_LOC_9_8 __REG32(HW_UMI_BASE  + 0x74)
85 /* BCH Read Error Location 11,10 */
86 #define REG_UMI_BCH_RD_ERR_LOC_B_A __REG32(HW_UMI_BASE  + 0x78)
87 
88 /* REG_UMI_FLASH0/1/2_TCR, REG_UMI_SRAM0/1_TCR bits */
89 /* Enable wait pin during burst write or read */
90 #define REG_UMI_TCR_WAITEN              0x80000000
91 /* Enable mem ctrlr to work with ext mem of lower freq than AHB clk */
92 #define REG_UMI_TCR_LOWFREQ             0x40000000
93 /* 1=synch write, 0=async write */
94 #define REG_UMI_TCR_MEMTYPE_SYNCWRITE   0x20000000
95 /* 1=synch read, 0=async read */
96 #define REG_UMI_TCR_MEMTYPE_SYNCREAD    0x10000000
97 /* 1=page mode read, 0=normal mode read */
98 #define REG_UMI_TCR_MEMTYPE_PAGEREAD    0x08000000
99 /* page size/burst size (wrap only) */
100 #define REG_UMI_TCR_MEMTYPE_PGSZ_MASK   0x07000000
101 /* 4 word */
102 #define REG_UMI_TCR_MEMTYPE_PGSZ_4      0x00000000
103 /* 8 word */
104 #define REG_UMI_TCR_MEMTYPE_PGSZ_8      0x01000000
105 /* 16 word */
106 #define REG_UMI_TCR_MEMTYPE_PGSZ_16     0x02000000
107 /* 32 word */
108 #define REG_UMI_TCR_MEMTYPE_PGSZ_32     0x03000000
109 /* 64 word */
110 #define REG_UMI_TCR_MEMTYPE_PGSZ_64     0x04000000
111 /* 128 word */
112 #define REG_UMI_TCR_MEMTYPE_PGSZ_128    0x05000000
113 /* 256 word */
114 #define REG_UMI_TCR_MEMTYPE_PGSZ_256    0x06000000
115 /* 512 word */
116 #define REG_UMI_TCR_MEMTYPE_PGSZ_512    0x07000000
117 /* Page read access cycle / Burst write latency (n+2 / n+1) */
118 #define REG_UMI_TCR_TPRC_TWLC_MASK      0x00f80000
119 /* Bus turnaround cycle (n) */
120 #define REG_UMI_TCR_TBTA_MASK           0x00070000
121 /* Write pulse width cycle (n+1) */
122 #define REG_UMI_TCR_TWP_MASK            0x0000f800
123 /* Write recovery cycle (n+1) */
124 #define REG_UMI_TCR_TWR_MASK            0x00000600
125 /* Write address setup cycle (n+1) */
126 #define REG_UMI_TCR_TAS_MASK            0x00000180
127 /* Output enable delay cycle (n) */
128 #define REG_UMI_TCR_TOE_MASK            0x00000060
129 /* Read access cycle / Burst read latency (n+2 / n+1) */
130 #define REG_UMI_TCR_TRC_TLC_MASK        0x0000001f
131 
132 /* REG_UMI_MMD_ICR bits */
133 /* Flash write protection pin control */
134 #define REG_UMI_MMD_ICR_FLASH_WP            0x8000
135 /* Extend hold time for sram0, sram1 csn (39 MHz operation) */
136 #define REG_UMI_MMD_ICR_XHCS                0x4000
137 /* Enable SDRAM 2 interface control */
138 #define REG_UMI_MMD_ICR_SDRAM2EN            0x2000
139 /* Enable merge of flash banks 0/1 to 512 MBit bank */
140 #define REG_UMI_MMD_ICR_INST512             0x1000
141 /* Enable merge of flash banks 1/2 to 512 MBit bank */
142 #define REG_UMI_MMD_ICR_DATA512             0x0800
143 /* Enable SDRAM interface control */
144 #define REG_UMI_MMD_ICR_SDRAMEN             0x0400
145 /* Polarity of busy state of Burst Wait Signal */
146 #define REG_UMI_MMD_ICR_WAITPOL             0x0200
147 /* Enable burst clock stopped when not accessing external burst flash/sram */
148 #define REG_UMI_MMD_ICR_BCLKSTOP            0x0100
149 /* Enable the peri1_csn to replace flash1_csn in 512 Mb flash mode */
150 #define REG_UMI_MMD_ICR_PERI1EN             0x0080
151 /* Enable the peri2_csn to replace sdram_csn */
152 #define REG_UMI_MMD_ICR_PERI2EN             0x0040
153 /* Enable the peri3_csn to replace sdram2_csn */
154 #define REG_UMI_MMD_ICR_PERI3EN             0x0020
155 /* Enable sram bank1 for H/W controlled MRS */
156 #define REG_UMI_MMD_ICR_MRSB1               0x0010
157 /* Enable sram bank0 for H/W controlled MRS */
158 #define REG_UMI_MMD_ICR_MRSB0               0x0008
159 /* Polarity for assert3ed state of H/W controlled MRS */
160 #define REG_UMI_MMD_ICR_MRSPOL              0x0004
161 /* 0: S/W controllable ZZ/MRS/CRE/P-Mode pin */
162 /* 1: H/W controlled ZZ/MRS/CRE/P-Mode, same timing as CS */
163 #define REG_UMI_MMD_ICR_MRSMODE             0x0002
164 /* MRS state for S/W controlled mode */
165 #define REG_UMI_MMD_ICR_MRSSTATE            0x0001
166 
167 /* REG_UMI_NAND_TCR bits */
168 /* Enable software to control CS */
169 #define REG_UMI_NAND_TCR_CS_SWCTRL          0x80000000
170 /* 16-bit nand wordsize if set */
171 #define REG_UMI_NAND_TCR_WORD16             0x40000000
172 /* Bus turnaround cycle (n) */
173 #define REG_UMI_NAND_TCR_TBTA_MASK          0x00070000
174 /* Write pulse width cycle (n+1) */
175 #define REG_UMI_NAND_TCR_TWP_MASK           0x0000f800
176 /* Write recovery cycle (n+1) */
177 #define REG_UMI_NAND_TCR_TWR_MASK           0x00000600
178 /* Write address setup cycle (n+1) */
179 #define REG_UMI_NAND_TCR_TAS_MASK           0x00000180
180 /* Output enable delay cycle (n) */
181 #define REG_UMI_NAND_TCR_TOE_MASK           0x00000060
182 /* Read access cycle (n+2) */
183 #define REG_UMI_NAND_TCR_TRC_TLC_MASK       0x0000001f
184 
185 /* REG_UMI_NAND_RCSR bits */
186 /* Status: Ready=1, Busy=0 */
187 #define REG_UMI_NAND_RCSR_RDY               0x02
188 /* Keep CS asserted during operation */
189 #define REG_UMI_NAND_RCSR_CS_ASSERTED       0x01
190 
191 /* REG_UMI_NAND_ECC_CSR bits */
192 /* Interrupt status - read-only */
193 #define REG_UMI_NAND_ECC_CSR_NANDINT        0x80000000
194 /* Read: Status of ECC done, Write: clear ECC interrupt */
195 #define REG_UMI_NAND_ECC_CSR_ECCINT_RAW     0x00800000
196 /* Read: Status of R/B, Write: clear R/B interrupt */
197 #define REG_UMI_NAND_ECC_CSR_RBINT_RAW      0x00400000
198 /* 1 = Enable ECC Interrupt */
199 #define REG_UMI_NAND_ECC_CSR_ECCINT_ENABLE  0x00008000
200 /* 1 = Assert interrupt at rising edge of R/B_ */
201 #define REG_UMI_NAND_ECC_CSR_RBINT_ENABLE   0x00004000
202 /* Calculate ECC by 0=512 bytes, 1=256 bytes */
203 #define REG_UMI_NAND_ECC_CSR_256BYTE        0x00000080
204 /* Enable ECC in hardware */
205 #define REG_UMI_NAND_ECC_CSR_ECC_ENABLE     0x00000001
206 
207 /* REG_UMI_BCH_CTRL_STATUS bits */
208 /* Shift to Indicate Number of correctable errors detected */
209 #define REG_UMI_BCH_CTRL_STATUS_NB_CORR_ERROR_SHIFT 20
210 /* Indicate Number of correctable errors detected */
211 #define REG_UMI_BCH_CTRL_STATUS_NB_CORR_ERROR 0x00F00000
212 /* Indicate Errors detected during read but uncorrectable */
213 #define REG_UMI_BCH_CTRL_STATUS_UNCORR_ERR    0x00080000
214 /* Indicate Errors detected during read and are correctable */
215 #define REG_UMI_BCH_CTRL_STATUS_CORR_ERR      0x00040000
216 /* Flag indicates BCH's ECC status of read process are valid */
217 #define REG_UMI_BCH_CTRL_STATUS_RD_ECC_VALID  0x00020000
218 /* Flag indicates BCH's ECC status of write process are valid */
219 #define REG_UMI_BCH_CTRL_STATUS_WR_ECC_VALID  0x00010000
220 /* Pause ECC calculation */
221 #define REG_UMI_BCH_CTRL_STATUS_PAUSE_ECC_DEC 0x00000010
222 /* Enable Interrupt */
223 #define REG_UMI_BCH_CTRL_STATUS_INT_EN        0x00000004
224 /* Enable ECC during read */
225 #define REG_UMI_BCH_CTRL_STATUS_ECC_RD_EN     0x00000002
226 /* Enable ECC during write */
227 #define REG_UMI_BCH_CTRL_STATUS_ECC_WR_EN     0x00000001
228 /* Mask for location */
229 #define REG_UMI_BCH_ERR_LOC_MASK              0x00001FFF
230 /* location within a byte */
231 #define REG_UMI_BCH_ERR_LOC_BYTE              0x00000007
232 /* location within a word */
233 #define REG_UMI_BCH_ERR_LOC_WORD              0x00000018
234 /* location within a page (512 byte) */
235 #define REG_UMI_BCH_ERR_LOC_PAGE              0x00001FE0
236 #define REG_UMI_BCH_ERR_LOC_ADDR(index)     (__REG32(HW_UMI_BASE + 0x64 + (index / 2)*4) >> ((index % 2) * 16))
237 #endif
238