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According to Freescale reference manuals (eg section "13.4.4.2 Programming the UPMs" of the P4080 Reference Manual): "Since the result of any update to the MxMR/MDR register must be in effect before the dummy read or write to the UPM region, a write to MxMR/MDR should be followed immediately by a read of MxMR/MDR." The UPM on a custom P4080-based board did not work without performing a read of MxMR/MDR after a write. Signed-off-by: John Schmoller <jschmoller@xes-inc.com> Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Acked-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> |
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| .. | ||
| nand | ||
| onenand | ||
| spi | ||
| ubi | ||
| at45.c | ||
| cfi_flash.c | ||
| cfi_mtd.c | ||
| dataflash.c | ||
| jedec_flash.c | ||
| Makefile | ||
| mtdconcat.c | ||
| mtdcore.c | ||
| mtdpart.c | ||
| mw_eeprom.c | ||
| spr_smi.c | ||