For the NAND chips on the TQM8548 modules, a special chip-select logic is
used. It uses dedicated address lines to be set via UPM machine address
register (mar). This patch adds such support to the FSL-UPM driver.
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
mar = cmd << (32 - fun->width);
io_addr = fun->upm.io_addr;
#if CONFIG_SYS_NAND_MAX_CHIPS > 1
- if (fun->chip_nr > 0)
+ if (fun->chip_nr > 0) {
io_addr += fun->chip_offset * fun->chip_nr;
+ if (fun->upm_mar_chip_offset)
+ mar |= fun->upm_mar_chip_offset * fun->chip_nr;
+ }
#endif
fsl_upm_run_pattern(&fun->upm, fun->width, io_addr, mar);
int width;
int upm_cmd_offset;
int upm_addr_offset;
+ int upm_mar_chip_offset;
int wait_pattern;
int (*dev_ready)(int chip_nr);
int chip_delay;