Lines Matching refs:chip
28 static uint8_t nand_read_byte(struct nand_chip *chip) in nand_read_byte() argument
30 return readb(chip->legacy.IO_ADDR_R); in nand_read_byte()
40 static uint8_t nand_read_byte16(struct nand_chip *chip) in nand_read_byte16() argument
42 return (uint8_t) cpu_to_le16(readw(chip->legacy.IO_ADDR_R)); in nand_read_byte16()
52 static void nand_select_chip(struct nand_chip *chip, int chipnr) in nand_select_chip() argument
56 chip->legacy.cmd_ctrl(chip, NAND_CMD_NONE, in nand_select_chip()
74 static void nand_write_byte(struct nand_chip *chip, uint8_t byte) in nand_write_byte() argument
76 chip->legacy.write_buf(chip, &byte, 1); in nand_write_byte()
86 static void nand_write_byte16(struct nand_chip *chip, uint8_t byte) in nand_write_byte16() argument
106 chip->legacy.write_buf(chip, (uint8_t *)&word, 2); in nand_write_byte16()
117 static void nand_write_buf(struct nand_chip *chip, const uint8_t *buf, int len) in nand_write_buf() argument
119 iowrite8_rep(chip->legacy.IO_ADDR_W, buf, len); in nand_write_buf()
130 static void nand_read_buf(struct nand_chip *chip, uint8_t *buf, int len) in nand_read_buf() argument
132 ioread8_rep(chip->legacy.IO_ADDR_R, buf, len); in nand_read_buf()
143 static void nand_write_buf16(struct nand_chip *chip, const uint8_t *buf, in nand_write_buf16() argument
148 iowrite16_rep(chip->legacy.IO_ADDR_W, p, len >> 1); in nand_write_buf16()
159 static void nand_read_buf16(struct nand_chip *chip, uint8_t *buf, int len) in nand_read_buf16() argument
163 ioread16_rep(chip->legacy.IO_ADDR_R, p, len >> 1); in nand_read_buf16()
174 static void panic_nand_wait_ready(struct nand_chip *chip, unsigned long timeo) in panic_nand_wait_ready() argument
180 if (chip->legacy.dev_ready(chip)) in panic_nand_wait_ready()
193 void nand_wait_ready(struct nand_chip *chip) in nand_wait_ready() argument
195 struct mtd_info *mtd = nand_to_mtd(chip); in nand_wait_ready()
199 return panic_nand_wait_ready(chip, timeo); in nand_wait_ready()
204 if (chip->legacy.dev_ready(chip)) in nand_wait_ready()
209 if (!chip->legacy.dev_ready(chip)) in nand_wait_ready()
221 static void nand_wait_status_ready(struct nand_chip *chip, unsigned long timeo) in nand_wait_status_ready() argument
229 ret = nand_read_data_op(chip, &status, sizeof(status), true, in nand_wait_status_ready()
250 static void nand_command(struct nand_chip *chip, unsigned int command, in nand_command() argument
253 struct mtd_info *mtd = nand_to_mtd(chip); in nand_command()
271 chip->legacy.cmd_ctrl(chip, readcmd, ctrl); in nand_command()
275 chip->legacy.cmd_ctrl(chip, command, ctrl); in nand_command()
282 if (chip->options & NAND_BUSWIDTH_16 && in nand_command()
285 chip->legacy.cmd_ctrl(chip, column, ctrl); in nand_command()
289 chip->legacy.cmd_ctrl(chip, page_addr, ctrl); in nand_command()
291 chip->legacy.cmd_ctrl(chip, page_addr >> 8, ctrl); in nand_command()
292 if (chip->options & NAND_ROW_ADDR_3) in nand_command()
293 chip->legacy.cmd_ctrl(chip, page_addr >> 16, ctrl); in nand_command()
295 chip->legacy.cmd_ctrl(chip, NAND_CMD_NONE, in nand_command()
315 if (chip->legacy.dev_ready) in nand_command()
317 udelay(chip->legacy.chip_delay); in nand_command()
318 chip->legacy.cmd_ctrl(chip, NAND_CMD_STATUS, in nand_command()
320 chip->legacy.cmd_ctrl(chip, NAND_CMD_NONE, in nand_command()
323 nand_wait_status_ready(chip, 250); in nand_command()
342 if (!chip->legacy.dev_ready) { in nand_command()
343 udelay(chip->legacy.chip_delay); in nand_command()
353 nand_wait_ready(chip); in nand_command()
356 static void nand_ccs_delay(struct nand_chip *chip) in nand_ccs_delay() argument
359 nand_get_sdr_timings(nand_get_interface_config(chip)); in nand_ccs_delay()
365 if (!(chip->options & NAND_WAIT_TCCS)) in nand_ccs_delay()
372 if (!IS_ERR(sdr) && nand_controller_can_setup_interface(chip)) in nand_ccs_delay()
389 static void nand_command_lp(struct nand_chip *chip, unsigned int command, in nand_command_lp() argument
392 struct mtd_info *mtd = nand_to_mtd(chip); in nand_command_lp()
402 chip->legacy.cmd_ctrl(chip, command, in nand_command_lp()
411 if (chip->options & NAND_BUSWIDTH_16 && in nand_command_lp()
414 chip->legacy.cmd_ctrl(chip, column, ctrl); in nand_command_lp()
419 chip->legacy.cmd_ctrl(chip, column >> 8, ctrl); in nand_command_lp()
422 chip->legacy.cmd_ctrl(chip, page_addr, ctrl); in nand_command_lp()
423 chip->legacy.cmd_ctrl(chip, page_addr >> 8, in nand_command_lp()
425 if (chip->options & NAND_ROW_ADDR_3) in nand_command_lp()
426 chip->legacy.cmd_ctrl(chip, page_addr >> 16, in nand_command_lp()
430 chip->legacy.cmd_ctrl(chip, NAND_CMD_NONE, in nand_command_lp()
451 nand_ccs_delay(chip); in nand_command_lp()
455 if (chip->legacy.dev_ready) in nand_command_lp()
457 udelay(chip->legacy.chip_delay); in nand_command_lp()
458 chip->legacy.cmd_ctrl(chip, NAND_CMD_STATUS, in nand_command_lp()
460 chip->legacy.cmd_ctrl(chip, NAND_CMD_NONE, in nand_command_lp()
463 nand_wait_status_ready(chip, 250); in nand_command_lp()
468 chip->legacy.cmd_ctrl(chip, NAND_CMD_RNDOUTSTART, in nand_command_lp()
470 chip->legacy.cmd_ctrl(chip, NAND_CMD_NONE, in nand_command_lp()
473 nand_ccs_delay(chip); in nand_command_lp()
486 chip->legacy.cmd_ctrl(chip, NAND_CMD_READSTART, in nand_command_lp()
488 chip->legacy.cmd_ctrl(chip, NAND_CMD_NONE, in nand_command_lp()
496 if (!chip->legacy.dev_ready) { in nand_command_lp()
497 udelay(chip->legacy.chip_delay); in nand_command_lp()
508 nand_wait_ready(chip); in nand_command_lp()
520 int nand_get_set_features_notsupp(struct nand_chip *chip, int addr, in nand_get_set_features_notsupp() argument
533 static int nand_wait(struct nand_chip *chip) in nand_wait() argument
535 struct mtd_info *mtd = nand_to_mtd(chip); in nand_wait()
546 ret = nand_status_op(chip, NULL); in nand_wait()
551 panic_nand_wait(chip, timeo); in nand_wait()
555 if (chip->legacy.dev_ready) { in nand_wait()
556 if (chip->legacy.dev_ready(chip)) in nand_wait()
559 ret = nand_read_data_op(chip, &status, in nand_wait()
572 ret = nand_read_data_op(chip, &status, sizeof(status), true, false); in nand_wait()
581 void nand_legacy_set_defaults(struct nand_chip *chip) in nand_legacy_set_defaults() argument
583 unsigned int busw = chip->options & NAND_BUSWIDTH_16; in nand_legacy_set_defaults()
585 if (nand_has_exec_op(chip)) in nand_legacy_set_defaults()
589 if (!chip->legacy.chip_delay) in nand_legacy_set_defaults()
590 chip->legacy.chip_delay = 20; in nand_legacy_set_defaults()
593 if (!chip->legacy.cmdfunc) in nand_legacy_set_defaults()
594 chip->legacy.cmdfunc = nand_command; in nand_legacy_set_defaults()
597 if (chip->legacy.waitfunc == NULL) in nand_legacy_set_defaults()
598 chip->legacy.waitfunc = nand_wait; in nand_legacy_set_defaults()
600 if (!chip->legacy.select_chip) in nand_legacy_set_defaults()
601 chip->legacy.select_chip = nand_select_chip; in nand_legacy_set_defaults()
604 if (!chip->legacy.read_byte || chip->legacy.read_byte == nand_read_byte) in nand_legacy_set_defaults()
605 chip->legacy.read_byte = busw ? nand_read_byte16 : nand_read_byte; in nand_legacy_set_defaults()
606 if (!chip->legacy.write_buf || chip->legacy.write_buf == nand_write_buf) in nand_legacy_set_defaults()
607 chip->legacy.write_buf = busw ? nand_write_buf16 : nand_write_buf; in nand_legacy_set_defaults()
608 if (!chip->legacy.write_byte || chip->legacy.write_byte == nand_write_byte) in nand_legacy_set_defaults()
609 chip->legacy.write_byte = busw ? nand_write_byte16 : nand_write_byte; in nand_legacy_set_defaults()
610 if (!chip->legacy.read_buf || chip->legacy.read_buf == nand_read_buf) in nand_legacy_set_defaults()
611 chip->legacy.read_buf = busw ? nand_read_buf16 : nand_read_buf; in nand_legacy_set_defaults()
614 void nand_legacy_adjust_cmdfunc(struct nand_chip *chip) in nand_legacy_adjust_cmdfunc() argument
616 struct mtd_info *mtd = nand_to_mtd(chip); in nand_legacy_adjust_cmdfunc()
619 if (mtd->writesize > 512 && chip->legacy.cmdfunc == nand_command) in nand_legacy_adjust_cmdfunc()
620 chip->legacy.cmdfunc = nand_command_lp; in nand_legacy_adjust_cmdfunc()
623 int nand_legacy_check_hooks(struct nand_chip *chip) in nand_legacy_check_hooks() argument
629 if (nand_has_exec_op(chip)) in nand_legacy_check_hooks()
637 if ((!chip->legacy.cmdfunc || !chip->legacy.select_chip) && in nand_legacy_check_hooks()
638 !chip->legacy.cmd_ctrl) { in nand_legacy_check_hooks()