diff options
Diffstat (limited to 'drivers/mtd/nand/ppchameleonevb.c')
-rw-r--r-- | drivers/mtd/nand/ppchameleonevb.c | 256 |
1 files changed, 134 insertions, 122 deletions
diff --git a/drivers/mtd/nand/ppchameleonevb.c b/drivers/mtd/nand/ppchameleonevb.c index 91a95f34a6e..22fa65c12ab 100644 --- a/drivers/mtd/nand/ppchameleonevb.c +++ b/drivers/mtd/nand/ppchameleonevb.c | |||
@@ -58,21 +58,21 @@ | |||
58 | /* | 58 | /* |
59 | * MTD structure for PPChameleonEVB board | 59 | * MTD structure for PPChameleonEVB board |
60 | */ | 60 | */ |
61 | static struct mtd_info *ppchameleon_mtd = NULL; | 61 | static struct mtd_info *ppchameleon_mtd = NULL; |
62 | static struct mtd_info *ppchameleonevb_mtd = NULL; | 62 | static struct mtd_info *ppchameleonevb_mtd = NULL; |
63 | 63 | ||
64 | /* | 64 | /* |
65 | * Module stuff | 65 | * Module stuff |
66 | */ | 66 | */ |
67 | static unsigned long ppchameleon_fio_pbase = CFG_NAND0_PADDR; | 67 | static unsigned long ppchameleon_fio_pbase = CFG_NAND0_PADDR; |
68 | static unsigned long ppchameleonevb_fio_pbase = CFG_NAND1_PADDR; | 68 | static unsigned long ppchameleonevb_fio_pbase = CFG_NAND1_PADDR; |
69 | 69 | ||
70 | #ifdef MODULE | 70 | #ifdef MODULE |
71 | module_param(ppchameleon_fio_pbase, ulong, 0); | 71 | module_param(ppchameleon_fio_pbase, ulong, 0); |
72 | module_param(ppchameleonevb_fio_pbase, ulong, 0); | 72 | module_param(ppchameleonevb_fio_pbase, ulong, 0); |
73 | #else | 73 | #else |
74 | __setup("ppchameleon_fio_pbase=",ppchameleon_fio_pbase); | 74 | __setup("ppchameleon_fio_pbase=", ppchameleon_fio_pbase); |
75 | __setup("ppchameleonevb_fio_pbase=",ppchameleonevb_fio_pbase); | 75 | __setup("ppchameleonevb_fio_pbase=", ppchameleonevb_fio_pbase); |
76 | #endif | 76 | #endif |
77 | 77 | ||
78 | #ifdef CONFIG_MTD_PARTITIONS | 78 | #ifdef CONFIG_MTD_PARTITIONS |
@@ -80,82 +80,96 @@ __setup("ppchameleonevb_fio_pbase=",ppchameleonevb_fio_pbase); | |||
80 | * Define static partitions for flash devices | 80 | * Define static partitions for flash devices |
81 | */ | 81 | */ |
82 | static struct mtd_partition partition_info_hi[] = { | 82 | static struct mtd_partition partition_info_hi[] = { |
83 | { name: "PPChameleon HI Nand Flash", | 83 | { .name = "PPChameleon HI Nand Flash", |
84 | offset: 0, | 84 | offset = 0, |
85 | size: 128*1024*1024 } | 85 | .size = 128 * 1024 * 1024 |
86 | } | ||
86 | }; | 87 | }; |
87 | 88 | ||
88 | static struct mtd_partition partition_info_me[] = { | 89 | static struct mtd_partition partition_info_me[] = { |
89 | { name: "PPChameleon ME Nand Flash", | 90 | { .name = "PPChameleon ME Nand Flash", |
90 | offset: 0, | 91 | .offset = 0, |
91 | size: 32*1024*1024 } | 92 | .size = 32 * 1024 * 1024 |
93 | } | ||
92 | }; | 94 | }; |
93 | 95 | ||
94 | static struct mtd_partition partition_info_evb[] = { | 96 | static struct mtd_partition partition_info_evb[] = { |
95 | { name: "PPChameleonEVB Nand Flash", | 97 | { .name = "PPChameleonEVB Nand Flash", |
96 | offset: 0, | 98 | .offset = 0, |
97 | size: 32*1024*1024 } | 99 | .size = 32 * 1024 * 1024 |
100 | } | ||
98 | }; | 101 | }; |
99 | 102 | ||
100 | #define NUM_PARTITIONS 1 | 103 | #define NUM_PARTITIONS 1 |
101 | 104 | ||
102 | extern int parse_cmdline_partitions(struct mtd_info *master, | 105 | extern int parse_cmdline_partitions(struct mtd_info *master, struct mtd_partition **pparts, const char *mtd_id); |
103 | struct mtd_partition **pparts, | ||
104 | const char *mtd_id); | ||
105 | #endif | 106 | #endif |
106 | 107 | ||
107 | |||
108 | /* | 108 | /* |
109 | * hardware specific access to control-lines | 109 | * hardware specific access to control-lines |
110 | */ | 110 | */ |
111 | static void ppchameleon_hwcontrol(struct mtd_info *mtdinfo, int cmd) | 111 | static void ppchameleon_hwcontrol(struct mtd_info *mtdinfo, int cmd, |
112 | unsigned int ctrl) | ||
112 | { | 113 | { |
113 | switch(cmd) { | 114 | struct nand_chip *chip = mtd->priv; |
114 | 115 | ||
115 | case NAND_CTL_SETCLE: | 116 | if (ctrl & NAND_CTRL_CHANGE) { |
116 | MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND0_PADDR); | 117 | #error Missing headerfiles. No way to fix this. -tglx |
117 | break; | 118 | switch (cmd) { |
118 | case NAND_CTL_CLRCLE: | 119 | case NAND_CTL_SETCLE: |
119 | MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND0_PADDR); | 120 | MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND0_PADDR); |
120 | break; | 121 | break; |
121 | case NAND_CTL_SETALE: | 122 | case NAND_CTL_CLRCLE: |
122 | MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND0_PADDR); | 123 | MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND0_PADDR); |
123 | break; | 124 | break; |
124 | case NAND_CTL_CLRALE: | 125 | case NAND_CTL_SETALE: |
125 | MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND0_PADDR); | 126 | MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND0_PADDR); |
126 | break; | 127 | break; |
127 | case NAND_CTL_SETNCE: | 128 | case NAND_CTL_CLRALE: |
129 | MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND0_PADDR); | ||
130 | break; | ||
131 | case NAND_CTL_SETNCE: | ||
128 | MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND0_PADDR); | 132 | MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND0_PADDR); |
129 | break; | 133 | break; |
130 | case NAND_CTL_CLRNCE: | 134 | case NAND_CTL_CLRNCE: |
131 | MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND0_PADDR); | 135 | MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND0_PADDR); |
132 | break; | 136 | break; |
137 | } | ||
133 | } | 138 | } |
139 | if (cmd != NAND_CMD_NONE) | ||
140 | writeb(cmd, chip->IO_ADDR_W); | ||
134 | } | 141 | } |
135 | 142 | ||
136 | static void ppchameleonevb_hwcontrol(struct mtd_info *mtdinfo, int cmd) | 143 | static void ppchameleonevb_hwcontrol(struct mtd_info *mtdinfo, int cmd, |
144 | unsigned int ctrl) | ||
137 | { | 145 | { |
138 | switch(cmd) { | 146 | struct nand_chip *chip = mtd->priv; |
139 | 147 | ||
140 | case NAND_CTL_SETCLE: | 148 | if (ctrl & NAND_CTRL_CHANGE) { |
141 | MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND1_PADDR); | 149 | #error Missing headerfiles. No way to fix this. -tglx |
142 | break; | 150 | switch (cmd) { |
143 | case NAND_CTL_CLRCLE: | 151 | case NAND_CTL_SETCLE: |
144 | MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND1_PADDR); | 152 | MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND1_PADDR); |
145 | break; | 153 | break; |
146 | case NAND_CTL_SETALE: | 154 | case NAND_CTL_CLRCLE: |
147 | MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND1_PADDR); | 155 | MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND1_PADDR); |
148 | break; | 156 | break; |
149 | case NAND_CTL_CLRALE: | 157 | case NAND_CTL_SETALE: |
150 | MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND1_PADDR); | 158 | MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND1_PADDR); |
151 | break; | 159 | break; |
152 | case NAND_CTL_SETNCE: | 160 | case NAND_CTL_CLRALE: |
153 | MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND1_PADDR); | 161 | MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND1_PADDR); |
154 | break; | 162 | break; |
155 | case NAND_CTL_CLRNCE: | 163 | case NAND_CTL_SETNCE: |
156 | MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND1_PADDR); | 164 | MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND1_PADDR); |
157 | break; | 165 | break; |
166 | case NAND_CTL_CLRNCE: | ||
167 | MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND1_PADDR); | ||
168 | break; | ||
169 | } | ||
158 | } | 170 | } |
171 | if (cmd != NAND_CMD_NONE) | ||
172 | writeb(cmd, chip->IO_ADDR_W); | ||
159 | } | 173 | } |
160 | 174 | ||
161 | #ifdef USE_READY_BUSY_PIN | 175 | #ifdef USE_READY_BUSY_PIN |
@@ -164,15 +178,15 @@ static void ppchameleonevb_hwcontrol(struct mtd_info *mtdinfo, int cmd) | |||
164 | */ | 178 | */ |
165 | static int ppchameleon_device_ready(struct mtd_info *minfo) | 179 | static int ppchameleon_device_ready(struct mtd_info *minfo) |
166 | { | 180 | { |
167 | if (in_be32((volatile unsigned*)GPIO0_IR) & NAND_RB_GPIO_PIN) | 181 | if (in_be32((volatile unsigned *)GPIO0_IR) & NAND_RB_GPIO_PIN) |
168 | return 1; | 182 | return 1; |
169 | return 0; | 183 | return 0; |
170 | } | 184 | } |
171 | 185 | ||
172 | static int ppchameleonevb_device_ready(struct mtd_info *minfo) | 186 | static int ppchameleonevb_device_ready(struct mtd_info *minfo) |
173 | { | 187 | { |
174 | if (in_be32((volatile unsigned*)GPIO0_IR) & NAND_EVB_RB_GPIO_PIN) | 188 | if (in_be32((volatile unsigned *)GPIO0_IR) & NAND_EVB_RB_GPIO_PIN) |
175 | return 1; | 189 | return 1; |
176 | return 0; | 190 | return 0; |
177 | } | 191 | } |
178 | #endif | 192 | #endif |
@@ -185,7 +199,7 @@ const char *part_probes_evb[] = { "cmdlinepart", NULL }; | |||
185 | /* | 199 | /* |
186 | * Main initialization routine | 200 | * Main initialization routine |
187 | */ | 201 | */ |
188 | static int __init ppchameleonevb_init (void) | 202 | static int __init ppchameleonevb_init(void) |
189 | { | 203 | { |
190 | struct nand_chip *this; | 204 | struct nand_chip *this; |
191 | const char *part_type = 0; | 205 | const char *part_type = 0; |
@@ -194,13 +208,11 @@ static int __init ppchameleonevb_init (void) | |||
194 | void __iomem *ppchameleon_fio_base; | 208 | void __iomem *ppchameleon_fio_base; |
195 | void __iomem *ppchameleonevb_fio_base; | 209 | void __iomem *ppchameleonevb_fio_base; |
196 | 210 | ||
197 | |||
198 | /********************************* | 211 | /********************************* |
199 | * Processor module NAND (if any) * | 212 | * Processor module NAND (if any) * |
200 | *********************************/ | 213 | *********************************/ |
201 | /* Allocate memory for MTD device structure and private data */ | 214 | /* Allocate memory for MTD device structure and private data */ |
202 | ppchameleon_mtd = kmalloc(sizeof(struct mtd_info) + | 215 | ppchameleon_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL); |
203 | sizeof(struct nand_chip), GFP_KERNEL); | ||
204 | if (!ppchameleon_mtd) { | 216 | if (!ppchameleon_mtd) { |
205 | printk("Unable to allocate PPChameleon NAND MTD device structure.\n"); | 217 | printk("Unable to allocate PPChameleon NAND MTD device structure.\n"); |
206 | return -ENOMEM; | 218 | return -ENOMEM; |
@@ -208,63 +220,65 @@ static int __init ppchameleonevb_init (void) | |||
208 | 220 | ||
209 | /* map physical address */ | 221 | /* map physical address */ |
210 | ppchameleon_fio_base = ioremap(ppchameleon_fio_pbase, SZ_4M); | 222 | ppchameleon_fio_base = ioremap(ppchameleon_fio_pbase, SZ_4M); |
211 | if(!ppchameleon_fio_base) { | 223 | if (!ppchameleon_fio_base) { |
212 | printk("ioremap PPChameleon NAND flash failed\n"); | 224 | printk("ioremap PPChameleon NAND flash failed\n"); |
213 | kfree(ppchameleon_mtd); | 225 | kfree(ppchameleon_mtd); |
214 | return -EIO; | 226 | return -EIO; |
215 | } | 227 | } |
216 | 228 | ||
217 | /* Get pointer to private data */ | 229 | /* Get pointer to private data */ |
218 | this = (struct nand_chip *) (&ppchameleon_mtd[1]); | 230 | this = (struct nand_chip *)(&ppchameleon_mtd[1]); |
219 | 231 | ||
220 | /* Initialize structures */ | 232 | /* Initialize structures */ |
221 | memset((char *) ppchameleon_mtd, 0, sizeof(struct mtd_info)); | 233 | memset(ppchameleon_mtd, 0, sizeof(struct mtd_info)); |
222 | memset((char *) this, 0, sizeof(struct nand_chip)); | 234 | memset(this, 0, sizeof(struct nand_chip)); |
223 | 235 | ||
224 | /* Link the private data with the MTD structure */ | 236 | /* Link the private data with the MTD structure */ |
225 | ppchameleon_mtd->priv = this; | 237 | ppchameleon_mtd->priv = this; |
238 | ppchameleon_mtd->owner = THIS_MODULE; | ||
226 | 239 | ||
227 | /* Initialize GPIOs */ | 240 | /* Initialize GPIOs */ |
228 | /* Pin mapping for NAND chip */ | 241 | /* Pin mapping for NAND chip */ |
229 | /* | 242 | /* |
230 | CE GPIO_01 | 243 | CE GPIO_01 |
231 | CLE GPIO_02 | 244 | CLE GPIO_02 |
232 | ALE GPIO_03 | 245 | ALE GPIO_03 |
233 | R/B GPIO_04 | 246 | R/B GPIO_04 |
234 | */ | 247 | */ |
235 | /* output select */ | 248 | /* output select */ |
236 | out_be32((volatile unsigned*)GPIO0_OSRH, in_be32((volatile unsigned*)GPIO0_OSRH) & 0xC0FFFFFF); | 249 | out_be32((volatile unsigned *)GPIO0_OSRH, in_be32((volatile unsigned *)GPIO0_OSRH) & 0xC0FFFFFF); |
237 | /* three-state select */ | 250 | /* three-state select */ |
238 | out_be32((volatile unsigned*)GPIO0_TSRH, in_be32((volatile unsigned*)GPIO0_TSRH) & 0xC0FFFFFF); | 251 | out_be32((volatile unsigned *)GPIO0_TSRH, in_be32((volatile unsigned *)GPIO0_TSRH) & 0xC0FFFFFF); |
239 | /* enable output driver */ | 252 | /* enable output driver */ |
240 | out_be32((volatile unsigned*)GPIO0_TCR, in_be32((volatile unsigned*)GPIO0_TCR) | NAND_nCE_GPIO_PIN | NAND_CLE_GPIO_PIN | NAND_ALE_GPIO_PIN); | 253 | out_be32((volatile unsigned *)GPIO0_TCR, |
254 | in_be32((volatile unsigned *)GPIO0_TCR) | NAND_nCE_GPIO_PIN | NAND_CLE_GPIO_PIN | NAND_ALE_GPIO_PIN); | ||
241 | #ifdef USE_READY_BUSY_PIN | 255 | #ifdef USE_READY_BUSY_PIN |
242 | /* three-state select */ | 256 | /* three-state select */ |
243 | out_be32((volatile unsigned*)GPIO0_TSRH, in_be32((volatile unsigned*)GPIO0_TSRH) & 0xFF3FFFFF); | 257 | out_be32((volatile unsigned *)GPIO0_TSRH, in_be32((volatile unsigned *)GPIO0_TSRH) & 0xFF3FFFFF); |
244 | /* high-impedecence */ | 258 | /* high-impedecence */ |
245 | out_be32((volatile unsigned*)GPIO0_TCR, in_be32((volatile unsigned*)GPIO0_TCR) & (~NAND_RB_GPIO_PIN)); | 259 | out_be32((volatile unsigned *)GPIO0_TCR, in_be32((volatile unsigned *)GPIO0_TCR) & (~NAND_RB_GPIO_PIN)); |
246 | /* input select */ | 260 | /* input select */ |
247 | out_be32((volatile unsigned*)GPIO0_ISR1H, (in_be32((volatile unsigned*)GPIO0_ISR1H) & 0xFF3FFFFF) | 0x00400000); | 261 | out_be32((volatile unsigned *)GPIO0_ISR1H, |
262 | (in_be32((volatile unsigned *)GPIO0_ISR1H) & 0xFF3FFFFF) | 0x00400000); | ||
248 | #endif | 263 | #endif |
249 | 264 | ||
250 | /* insert callbacks */ | 265 | /* insert callbacks */ |
251 | this->IO_ADDR_R = ppchameleon_fio_base; | 266 | this->IO_ADDR_R = ppchameleon_fio_base; |
252 | this->IO_ADDR_W = ppchameleon_fio_base; | 267 | this->IO_ADDR_W = ppchameleon_fio_base; |
253 | this->hwcontrol = ppchameleon_hwcontrol; | 268 | this->cmd_ctrl = ppchameleon_hwcontrol; |
254 | #ifdef USE_READY_BUSY_PIN | 269 | #ifdef USE_READY_BUSY_PIN |
255 | this->dev_ready = ppchameleon_device_ready; | 270 | this->dev_ready = ppchameleon_device_ready; |
256 | #endif | 271 | #endif |
257 | this->chip_delay = NAND_BIG_DELAY_US; | 272 | this->chip_delay = NAND_BIG_DELAY_US; |
258 | /* ECC mode */ | 273 | /* ECC mode */ |
259 | this->eccmode = NAND_ECC_SOFT; | 274 | this->ecc.mode = NAND_ECC_SOFT; |
260 | 275 | ||
261 | /* Scan to find existence of the device (it could not be mounted) */ | 276 | /* Scan to find existence of the device (it could not be mounted) */ |
262 | if (nand_scan (ppchameleon_mtd, 1)) { | 277 | if (nand_scan(ppchameleon_mtd, 1)) { |
263 | iounmap((void *)ppchameleon_fio_base); | 278 | iounmap((void *)ppchameleon_fio_base); |
264 | kfree (ppchameleon_mtd); | 279 | kfree(ppchameleon_mtd); |
265 | goto nand_evb_init; | 280 | goto nand_evb_init; |
266 | } | 281 | } |
267 | |||
268 | #ifndef USE_READY_BUSY_PIN | 282 | #ifndef USE_READY_BUSY_PIN |
269 | /* Adjust delay if necessary */ | 283 | /* Adjust delay if necessary */ |
270 | if (ppchameleon_mtd->size == NAND_SMALL_SIZE) | 284 | if (ppchameleon_mtd->size == NAND_SMALL_SIZE) |
@@ -275,12 +289,11 @@ static int __init ppchameleonevb_init (void) | |||
275 | ppchameleon_mtd->name = "ppchameleon-nand"; | 289 | ppchameleon_mtd->name = "ppchameleon-nand"; |
276 | mtd_parts_nb = parse_mtd_partitions(ppchameleon_mtd, part_probes, &mtd_parts, 0); | 290 | mtd_parts_nb = parse_mtd_partitions(ppchameleon_mtd, part_probes, &mtd_parts, 0); |
277 | if (mtd_parts_nb > 0) | 291 | if (mtd_parts_nb > 0) |
278 | part_type = "command line"; | 292 | part_type = "command line"; |
279 | else | 293 | else |
280 | mtd_parts_nb = 0; | 294 | mtd_parts_nb = 0; |
281 | #endif | 295 | #endif |
282 | if (mtd_parts_nb == 0) | 296 | if (mtd_parts_nb == 0) { |
283 | { | ||
284 | if (ppchameleon_mtd->size == NAND_SMALL_SIZE) | 297 | if (ppchameleon_mtd->size == NAND_SMALL_SIZE) |
285 | mtd_parts = partition_info_me; | 298 | mtd_parts = partition_info_me; |
286 | else | 299 | else |
@@ -293,13 +306,12 @@ static int __init ppchameleonevb_init (void) | |||
293 | printk(KERN_NOTICE "Using %s partition definition\n", part_type); | 306 | printk(KERN_NOTICE "Using %s partition definition\n", part_type); |
294 | add_mtd_partitions(ppchameleon_mtd, mtd_parts, mtd_parts_nb); | 307 | add_mtd_partitions(ppchameleon_mtd, mtd_parts, mtd_parts_nb); |
295 | 308 | ||
296 | nand_evb_init: | 309 | nand_evb_init: |
297 | /**************************** | 310 | /**************************** |
298 | * EVB NAND (always present) * | 311 | * EVB NAND (always present) * |
299 | ****************************/ | 312 | ****************************/ |
300 | /* Allocate memory for MTD device structure and private data */ | 313 | /* Allocate memory for MTD device structure and private data */ |
301 | ppchameleonevb_mtd = kmalloc(sizeof(struct mtd_info) + | 314 | ppchameleonevb_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL); |
302 | sizeof(struct nand_chip), GFP_KERNEL); | ||
303 | if (!ppchameleonevb_mtd) { | 315 | if (!ppchameleonevb_mtd) { |
304 | printk("Unable to allocate PPChameleonEVB NAND MTD device structure.\n"); | 316 | printk("Unable to allocate PPChameleonEVB NAND MTD device structure.\n"); |
305 | return -ENOMEM; | 317 | return -ENOMEM; |
@@ -307,77 +319,76 @@ nand_evb_init: | |||
307 | 319 | ||
308 | /* map physical address */ | 320 | /* map physical address */ |
309 | ppchameleonevb_fio_base = ioremap(ppchameleonevb_fio_pbase, SZ_4M); | 321 | ppchameleonevb_fio_base = ioremap(ppchameleonevb_fio_pbase, SZ_4M); |
310 | if(!ppchameleonevb_fio_base) { | 322 | if (!ppchameleonevb_fio_base) { |
311 | printk("ioremap PPChameleonEVB NAND flash failed\n"); | 323 | printk("ioremap PPChameleonEVB NAND flash failed\n"); |
312 | kfree(ppchameleonevb_mtd); | 324 | kfree(ppchameleonevb_mtd); |
313 | return -EIO; | 325 | return -EIO; |
314 | } | 326 | } |
315 | 327 | ||
316 | /* Get pointer to private data */ | 328 | /* Get pointer to private data */ |
317 | this = (struct nand_chip *) (&ppchameleonevb_mtd[1]); | 329 | this = (struct nand_chip *)(&ppchameleonevb_mtd[1]); |
318 | 330 | ||
319 | /* Initialize structures */ | 331 | /* Initialize structures */ |
320 | memset((char *) ppchameleonevb_mtd, 0, sizeof(struct mtd_info)); | 332 | memset(ppchameleonevb_mtd, 0, sizeof(struct mtd_info)); |
321 | memset((char *) this, 0, sizeof(struct nand_chip)); | 333 | memset(this, 0, sizeof(struct nand_chip)); |
322 | 334 | ||
323 | /* Link the private data with the MTD structure */ | 335 | /* Link the private data with the MTD structure */ |
324 | ppchameleonevb_mtd->priv = this; | 336 | ppchameleonevb_mtd->priv = this; |
325 | 337 | ||
326 | /* Initialize GPIOs */ | 338 | /* Initialize GPIOs */ |
327 | /* Pin mapping for NAND chip */ | 339 | /* Pin mapping for NAND chip */ |
328 | /* | 340 | /* |
329 | CE GPIO_14 | 341 | CE GPIO_14 |
330 | CLE GPIO_15 | 342 | CLE GPIO_15 |
331 | ALE GPIO_16 | 343 | ALE GPIO_16 |
332 | R/B GPIO_31 | 344 | R/B GPIO_31 |
333 | */ | 345 | */ |
334 | /* output select */ | 346 | /* output select */ |
335 | out_be32((volatile unsigned*)GPIO0_OSRH, in_be32((volatile unsigned*)GPIO0_OSRH) & 0xFFFFFFF0); | 347 | out_be32((volatile unsigned *)GPIO0_OSRH, in_be32((volatile unsigned *)GPIO0_OSRH) & 0xFFFFFFF0); |
336 | out_be32((volatile unsigned*)GPIO0_OSRL, in_be32((volatile unsigned*)GPIO0_OSRL) & 0x3FFFFFFF); | 348 | out_be32((volatile unsigned *)GPIO0_OSRL, in_be32((volatile unsigned *)GPIO0_OSRL) & 0x3FFFFFFF); |
337 | /* three-state select */ | 349 | /* three-state select */ |
338 | out_be32((volatile unsigned*)GPIO0_TSRH, in_be32((volatile unsigned*)GPIO0_TSRH) & 0xFFFFFFF0); | 350 | out_be32((volatile unsigned *)GPIO0_TSRH, in_be32((volatile unsigned *)GPIO0_TSRH) & 0xFFFFFFF0); |
339 | out_be32((volatile unsigned*)GPIO0_TSRL, in_be32((volatile unsigned*)GPIO0_TSRL) & 0x3FFFFFFF); | 351 | out_be32((volatile unsigned *)GPIO0_TSRL, in_be32((volatile unsigned *)GPIO0_TSRL) & 0x3FFFFFFF); |
340 | /* enable output driver */ | 352 | /* enable output driver */ |
341 | out_be32((volatile unsigned*)GPIO0_TCR, in_be32((volatile unsigned*)GPIO0_TCR) | NAND_EVB_nCE_GPIO_PIN | | 353 | out_be32((volatile unsigned *)GPIO0_TCR, in_be32((volatile unsigned *)GPIO0_TCR) | NAND_EVB_nCE_GPIO_PIN | |
342 | NAND_EVB_CLE_GPIO_PIN | NAND_EVB_ALE_GPIO_PIN); | 354 | NAND_EVB_CLE_GPIO_PIN | NAND_EVB_ALE_GPIO_PIN); |
343 | #ifdef USE_READY_BUSY_PIN | 355 | #ifdef USE_READY_BUSY_PIN |
344 | /* three-state select */ | 356 | /* three-state select */ |
345 | out_be32((volatile unsigned*)GPIO0_TSRL, in_be32((volatile unsigned*)GPIO0_TSRL) & 0xFFFFFFFC); | 357 | out_be32((volatile unsigned *)GPIO0_TSRL, in_be32((volatile unsigned *)GPIO0_TSRL) & 0xFFFFFFFC); |
346 | /* high-impedecence */ | 358 | /* high-impedecence */ |
347 | out_be32((volatile unsigned*)GPIO0_TCR, in_be32((volatile unsigned*)GPIO0_TCR) & (~NAND_EVB_RB_GPIO_PIN)); | 359 | out_be32((volatile unsigned *)GPIO0_TCR, in_be32((volatile unsigned *)GPIO0_TCR) & (~NAND_EVB_RB_GPIO_PIN)); |
348 | /* input select */ | 360 | /* input select */ |
349 | out_be32((volatile unsigned*)GPIO0_ISR1L, (in_be32((volatile unsigned*)GPIO0_ISR1L) & 0xFFFFFFFC) | 0x00000001); | 361 | out_be32((volatile unsigned *)GPIO0_ISR1L, |
362 | (in_be32((volatile unsigned *)GPIO0_ISR1L) & 0xFFFFFFFC) | 0x00000001); | ||
350 | #endif | 363 | #endif |
351 | 364 | ||
352 | /* insert callbacks */ | 365 | /* insert callbacks */ |
353 | this->IO_ADDR_R = ppchameleonevb_fio_base; | 366 | this->IO_ADDR_R = ppchameleonevb_fio_base; |
354 | this->IO_ADDR_W = ppchameleonevb_fio_base; | 367 | this->IO_ADDR_W = ppchameleonevb_fio_base; |
355 | this->hwcontrol = ppchameleonevb_hwcontrol; | 368 | this->cmd_ctrl = ppchameleonevb_hwcontrol; |
356 | #ifdef USE_READY_BUSY_PIN | 369 | #ifdef USE_READY_BUSY_PIN |
357 | this->dev_ready = ppchameleonevb_device_ready; | 370 | this->dev_ready = ppchameleonevb_device_ready; |
358 | #endif | 371 | #endif |
359 | this->chip_delay = NAND_SMALL_DELAY_US; | 372 | this->chip_delay = NAND_SMALL_DELAY_US; |
360 | 373 | ||
361 | /* ECC mode */ | 374 | /* ECC mode */ |
362 | this->eccmode = NAND_ECC_SOFT; | 375 | this->ecc.mode = NAND_ECC_SOFT; |
363 | 376 | ||
364 | /* Scan to find existence of the device */ | 377 | /* Scan to find existence of the device */ |
365 | if (nand_scan (ppchameleonevb_mtd, 1)) { | 378 | if (nand_scan(ppchameleonevb_mtd, 1)) { |
366 | iounmap((void *)ppchameleonevb_fio_base); | 379 | iounmap((void *)ppchameleonevb_fio_base); |
367 | kfree (ppchameleonevb_mtd); | 380 | kfree(ppchameleonevb_mtd); |
368 | return -ENXIO; | 381 | return -ENXIO; |
369 | } | 382 | } |
370 | |||
371 | #ifdef CONFIG_MTD_PARTITIONS | 383 | #ifdef CONFIG_MTD_PARTITIONS |
372 | ppchameleonevb_mtd->name = NAND_EVB_MTD_NAME; | 384 | ppchameleonevb_mtd->name = NAND_EVB_MTD_NAME; |
373 | mtd_parts_nb = parse_mtd_partitions(ppchameleonevb_mtd, part_probes_evb, &mtd_parts, 0); | 385 | mtd_parts_nb = parse_mtd_partitions(ppchameleonevb_mtd, part_probes_evb, &mtd_parts, 0); |
374 | if (mtd_parts_nb > 0) | 386 | if (mtd_parts_nb > 0) |
375 | part_type = "command line"; | 387 | part_type = "command line"; |
376 | else | 388 | else |
377 | mtd_parts_nb = 0; | 389 | mtd_parts_nb = 0; |
378 | #endif | 390 | #endif |
379 | if (mtd_parts_nb == 0) | 391 | if (mtd_parts_nb == 0) { |
380 | { | ||
381 | mtd_parts = partition_info_evb; | 392 | mtd_parts = partition_info_evb; |
382 | mtd_parts_nb = NUM_PARTITIONS; | 393 | mtd_parts_nb = NUM_PARTITIONS; |
383 | part_type = "static"; | 394 | part_type = "static"; |
@@ -390,18 +401,19 @@ nand_evb_init: | |||
390 | /* Return happy */ | 401 | /* Return happy */ |
391 | return 0; | 402 | return 0; |
392 | } | 403 | } |
404 | |||
393 | module_init(ppchameleonevb_init); | 405 | module_init(ppchameleonevb_init); |
394 | 406 | ||
395 | /* | 407 | /* |
396 | * Clean up routine | 408 | * Clean up routine |
397 | */ | 409 | */ |
398 | static void __exit ppchameleonevb_cleanup (void) | 410 | static void __exit ppchameleonevb_cleanup(void) |
399 | { | 411 | { |
400 | struct nand_chip *this; | 412 | struct nand_chip *this; |
401 | 413 | ||
402 | /* Release resources, unregister device(s) */ | 414 | /* Release resources, unregister device(s) */ |
403 | nand_release (ppchameleon_mtd); | 415 | nand_release(ppchameleon_mtd); |
404 | nand_release (ppchameleonevb_mtd); | 416 | nand_release(ppchameleonevb_mtd); |
405 | 417 | ||
406 | /* Release iomaps */ | 418 | /* Release iomaps */ |
407 | this = (struct nand_chip *) &ppchameleon_mtd[1]; | 419 | this = (struct nand_chip *) &ppchameleon_mtd[1]; |