1 /* Freescale Local Bus Controller
3 * Copyright (c) 2006-2007 Freescale Semiconductor
5 * Authors: Nick Spence <nick.spence@freescale.com>,
6 * Scott Wood <scottwood@freescale.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef __ASM_FSL_LBC_H
24 #define __ASM_FSL_LBC_H
26 #include <linux/compiler.h>
27 #include <linux/types.h>
31 __be32 br; /**< Base Register */
32 #define BR_BA 0xFFFF8000
33 #define BR_BA_SHIFT 15
34 #define BR_PS 0x00001800
35 #define BR_PS_SHIFT 11
36 #define BR_PS_8 0x00000800 /* Port Size 8 bit */
37 #define BR_PS_16 0x00001000 /* Port Size 16 bit */
38 #define BR_PS_32 0x00001800 /* Port Size 32 bit */
39 #define BR_DECC 0x00000600
40 #define BR_DECC_SHIFT 9
41 #define BR_DECC_OFF 0x00000000 /* HW ECC checking and generation off */
42 #define BR_DECC_CHK 0x00000200 /* HW ECC checking on, generation off */
43 #define BR_DECC_CHK_GEN 0x00000400 /* HW ECC checking and generation on */
44 #define BR_WP 0x00000100
46 #define BR_MSEL 0x000000E0
47 #define BR_MSEL_SHIFT 5
48 #define BR_MS_GPCM 0x00000000 /* GPCM */
49 #define BR_MS_FCM 0x00000020 /* FCM */
50 #define BR_MS_SDRAM 0x00000060 /* SDRAM */
51 #define BR_MS_UPMA 0x00000080 /* UPMA */
52 #define BR_MS_UPMB 0x000000A0 /* UPMB */
53 #define BR_MS_UPMC 0x000000C0 /* UPMC */
54 #define BR_V 0x00000001
56 #define BR_RES ~(BR_BA|BR_PS|BR_DECC|BR_WP|BR_MSEL|BR_V)
58 __be32 or; /**< Base Register */
68 #define OR_FCM_AM 0xFFFF8000
69 #define OR_FCM_AM_SHIFT 15
70 #define OR_FCM_BCTLD 0x00001000
71 #define OR_FCM_BCTLD_SHIFT 12
72 #define OR_FCM_PGS 0x00000400
73 #define OR_FCM_PGS_SHIFT 10
74 #define OR_FCM_CSCT 0x00000200
75 #define OR_FCM_CSCT_SHIFT 9
76 #define OR_FCM_CST 0x00000100
77 #define OR_FCM_CST_SHIFT 8
78 #define OR_FCM_CHT 0x00000080
79 #define OR_FCM_CHT_SHIFT 7
80 #define OR_FCM_SCY 0x00000070
81 #define OR_FCM_SCY_SHIFT 4
82 #define OR_FCM_SCY_1 0x00000010
83 #define OR_FCM_SCY_2 0x00000020
84 #define OR_FCM_SCY_3 0x00000030
85 #define OR_FCM_SCY_4 0x00000040
86 #define OR_FCM_SCY_5 0x00000050
87 #define OR_FCM_SCY_6 0x00000060
88 #define OR_FCM_SCY_7 0x00000070
89 #define OR_FCM_RST 0x00000008
90 #define OR_FCM_RST_SHIFT 3
91 #define OR_FCM_TRLX 0x00000004
92 #define OR_FCM_TRLX_SHIFT 2
93 #define OR_FCM_EHTR 0x00000002
94 #define OR_FCM_EHTR_SHIFT 1
98 struct fsl_lbc_bank bank[8];
100 __be32 mar; /**< UPM Address Register */
102 __be32 mamr; /**< UPMA Mode Register */
103 #define MxMR_OP_NO (0 << 28) /**< normal operation */
104 #define MxMR_OP_WA (1 << 28) /**< write array */
105 #define MxMR_OP_RA (2 << 28) /**< read array */
106 #define MxMR_OP_RP (3 << 28) /**< run pattern */
107 #define MxMR_MAD 0x3f /**< machine address */
108 __be32 mbmr; /**< UPMB Mode Register */
109 __be32 mcmr; /**< UPMC Mode Register */
111 __be32 mrtpr; /**< Memory Refresh Timer Prescaler Register */
112 __be32 mdr; /**< UPM Data Register */
114 __be32 lsor; /**< Special Operation Initiation Register */
115 __be32 lsdmr; /**< SDRAM Mode Register */
117 __be32 lurt; /**< UPM Refresh Timer */
118 __be32 lsrt; /**< SDRAM Refresh Timer */
120 __be32 ltesr; /**< Transfer Error Status Register */
121 #define LTESR_BM 0x80000000
122 #define LTESR_FCT 0x40000000
123 #define LTESR_PAR 0x20000000
124 #define LTESR_WP 0x04000000
125 #define LTESR_ATMW 0x00800000
126 #define LTESR_ATMR 0x00400000
127 #define LTESR_CS 0x00080000
128 #define LTESR_CC 0x00000001
129 #define LTESR_NAND_MASK (LTESR_FCT | LTESR_PAR | LTESR_CC)
130 __be32 ltedr; /**< Transfer Error Disable Register */
131 __be32 lteir; /**< Transfer Error Interrupt Register */
132 __be32 lteatr; /**< Transfer Error Attributes Register */
133 __be32 ltear; /**< Transfer Error Address Register */
135 __be32 lbcr; /**< Configuration Register */
136 #define LBCR_LDIS 0x80000000
137 #define LBCR_LDIS_SHIFT 31
138 #define LBCR_BCTLC 0x00C00000
139 #define LBCR_BCTLC_SHIFT 22
140 #define LBCR_AHD 0x00200000
141 #define LBCR_LPBSE 0x00020000
142 #define LBCR_LPBSE_SHIFT 17
143 #define LBCR_EPAR 0x00010000
144 #define LBCR_EPAR_SHIFT 16
145 #define LBCR_BMT 0x0000FF00
146 #define LBCR_BMT_SHIFT 8
147 #define LBCR_INIT 0x00040000
148 __be32 lcrr; /**< Clock Ratio Register */
149 #define LCRR_DBYP 0x80000000
150 #define LCRR_DBYP_SHIFT 31
151 #define LCRR_BUFCMDC 0x30000000
152 #define LCRR_BUFCMDC_SHIFT 28
153 #define LCRR_ECL 0x03000000
154 #define LCRR_ECL_SHIFT 24
155 #define LCRR_EADC 0x00030000
156 #define LCRR_EADC_SHIFT 16
157 #define LCRR_CLKDIV 0x0000000F
158 #define LCRR_CLKDIV_SHIFT 0
160 __be32 fmr; /**< Flash Mode Register */
161 #define FMR_CWTO 0x0000F000
162 #define FMR_CWTO_SHIFT 12
163 #define FMR_BOOT 0x00000800
164 #define FMR_ECCM 0x00000100
165 #define FMR_AL 0x00000030
166 #define FMR_AL_SHIFT 4
167 #define FMR_OP 0x00000003
168 #define FMR_OP_SHIFT 0
169 __be32 fir; /**< Flash Instruction Register */
170 #define FIR_OP0 0xF0000000
171 #define FIR_OP0_SHIFT 28
172 #define FIR_OP1 0x0F000000
173 #define FIR_OP1_SHIFT 24
174 #define FIR_OP2 0x00F00000
175 #define FIR_OP2_SHIFT 20
176 #define FIR_OP3 0x000F0000
177 #define FIR_OP3_SHIFT 16
178 #define FIR_OP4 0x0000F000
179 #define FIR_OP4_SHIFT 12
180 #define FIR_OP5 0x00000F00
181 #define FIR_OP5_SHIFT 8
182 #define FIR_OP6 0x000000F0
183 #define FIR_OP6_SHIFT 4
184 #define FIR_OP7 0x0000000F
185 #define FIR_OP7_SHIFT 0
186 #define FIR_OP_NOP 0x0 /* No operation and end of sequence */
187 #define FIR_OP_CA 0x1 /* Issue current column address */
188 #define FIR_OP_PA 0x2 /* Issue current block+page address */
189 #define FIR_OP_UA 0x3 /* Issue user defined address */
190 #define FIR_OP_CM0 0x4 /* Issue command from FCR[CMD0] */
191 #define FIR_OP_CM1 0x5 /* Issue command from FCR[CMD1] */
192 #define FIR_OP_CM2 0x6 /* Issue command from FCR[CMD2] */
193 #define FIR_OP_CM3 0x7 /* Issue command from FCR[CMD3] */
194 #define FIR_OP_WB 0x8 /* Write FBCR bytes from FCM buffer */
195 #define FIR_OP_WS 0x9 /* Write 1 or 2 bytes from MDR[AS] */
196 #define FIR_OP_RB 0xA /* Read FBCR bytes to FCM buffer */
197 #define FIR_OP_RS 0xB /* Read 1 or 2 bytes to MDR[AS] */
198 #define FIR_OP_CW0 0xC /* Wait then issue FCR[CMD0] */
199 #define FIR_OP_CW1 0xD /* Wait then issue FCR[CMD1] */
200 #define FIR_OP_RBW 0xE /* Wait then read FBCR bytes */
201 #define FIR_OP_RSW 0xE /* Wait then read 1 or 2 bytes */
202 __be32 fcr; /**< Flash Command Register */
203 #define FCR_CMD0 0xFF000000
204 #define FCR_CMD0_SHIFT 24
205 #define FCR_CMD1 0x00FF0000
206 #define FCR_CMD1_SHIFT 16
207 #define FCR_CMD2 0x0000FF00
208 #define FCR_CMD2_SHIFT 8
209 #define FCR_CMD3 0x000000FF
210 #define FCR_CMD3_SHIFT 0
211 __be32 fbar; /**< Flash Block Address Register */
212 #define FBAR_BLK 0x00FFFFFF
213 __be32 fpar; /**< Flash Page Address Register */
214 #define FPAR_SP_PI 0x00007C00
215 #define FPAR_SP_PI_SHIFT 10
216 #define FPAR_SP_MS 0x00000200
217 #define FPAR_SP_CI 0x000001FF
218 #define FPAR_SP_CI_SHIFT 0
219 #define FPAR_LP_PI 0x0003F000
220 #define FPAR_LP_PI_SHIFT 12
221 #define FPAR_LP_MS 0x00000800
222 #define FPAR_LP_CI 0x000007FF
223 #define FPAR_LP_CI_SHIFT 0
224 __be32 fbcr; /**< Flash Byte Count Register */
225 #define FBCR_BC 0x00000FFF
234 __be32 __iomem *mxmr;
238 extern int fsl_lbc_find(phys_addr_t addr_base);
239 extern int fsl_upm_find(phys_addr_t addr_base, struct fsl_upm *upm);
242 * fsl_upm_start_pattern - start UPM patterns execution
243 * @upm: pointer to the fsl_upm structure obtained via fsl_upm_find
244 * @pat_offset: UPM pattern offset for the command to be executed
246 * This routine programmes UPM so the next memory access that hits an UPM
247 * will trigger pattern execution, starting at pat_offset.
249 static inline void fsl_upm_start_pattern(struct fsl_upm *upm, u8 pat_offset)
251 clrsetbits_be32(upm->mxmr, MxMR_MAD, MxMR_OP_RP | pat_offset);
255 * fsl_upm_end_pattern - end UPM patterns execution
256 * @upm: pointer to the fsl_upm structure obtained via fsl_upm_find
258 * This routine reverts UPM to normal operation mode.
260 static inline void fsl_upm_end_pattern(struct fsl_upm *upm)
262 clrbits32(upm->mxmr, MxMR_OP_RP);
264 while (in_be32(upm->mxmr) & MxMR_OP_RP)
268 extern int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base,
271 #endif /* __ASM_FSL_LBC_H */