#include <linux/export.h>
#include <linux/mtd/rawnand.h>
+#define ONFI_DYN_TIMING_MAX U16_MAX
+
static const struct nand_data_interface onfi_sdr_timings[] = {
/* Mode 0 */
{
/*
* Initialize timings that cannot be deduced from timing mode:
- * tR, tPROG, tCCS, ...
+ * tPROG, tBERS, tR and tCCS.
* These information are part of the ONFI parameter page.
*/
if (chip->parameters.onfi.version) {
/* nanoseconds -> picoseconds */
timings->tCCS_min = 1000UL * params->onfi.tCCS;
+ } else {
+ struct nand_sdr_timings *timings = &iface->timings.sdr;
+ /*
+ * For non-ONFI chips we use the highest possible value for
+ * tPROG and tBERS. tR and tCCS will take the default values
+ * precised in the ONFI specification for timing mode 0,
+ * respectively 200us and 500ns.
+ */
+
+ /* microseconds -> picoseconds */
+ timings->tPROG_max = 1000000ULL * ONFI_DYN_TIMING_MAX;
+ timings->tBERS_max = 1000000ULL * ONFI_DYN_TIMING_MAX;
+ timings->tR_max = 1000000ULL * 200000000ULL;
+
+ /* nanoseconds -> picoseconds */
+ timings->tCCS_min = 1000UL * 500000;
}
return 0;