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-rw-r--r--cpu/mpc8xxx/ddr/common_timing_params.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/cpu/mpc8xxx/ddr/common_timing_params.h b/cpu/mpc8xxx/ddr/common_timing_params.h
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+++ b/cpu/mpc8xxx/ddr/common_timing_params.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef COMMON_TIMING_PARAMS_H
+#define COMMON_TIMING_PARAMS_H
+
+typedef struct {
+ /* parameters to constrict */
+
+ unsigned int tCKmin_X_ps;
+ unsigned int tCKmax_ps;
+ unsigned int tCKmax_max_ps;
+ unsigned int tRCD_ps;
+ unsigned int tRP_ps;
+ unsigned int tRAS_ps;
+
+ unsigned int tWR_ps; /* maximum = 63750 ps */
+ unsigned int tWTR_ps; /* maximum = 63750 ps */
+ unsigned int tRFC_ps; /* maximum = 255 ns + 256 ns + .75 ns
+ = 511750 ps */
+
+ unsigned int tRRD_ps; /* maximum = 63750 ps */
+ unsigned int tRC_ps; /* maximum = 254 ns + .75 ns = 254750 ps */
+
+ unsigned int refresh_rate_ps;
+
+ unsigned int tIS_ps; /* byte 32, spd->ca_setup */
+ unsigned int tIH_ps; /* byte 33, spd->ca_hold */
+ unsigned int tDS_ps; /* byte 34, spd->data_setup */
+ unsigned int tDH_ps; /* byte 35, spd->data_hold */
+ unsigned int tRTP_ps; /* byte 38, spd->trtp */
+ unsigned int tDQSQ_max_ps; /* byte 44, spd->tdqsq */
+ unsigned int tQHS_ps; /* byte 45, spd->tqhs */
+
+ unsigned int ndimms_present;
+ unsigned int lowest_common_SPD_caslat;
+ unsigned int highest_common_derated_caslat;
+ unsigned int additive_latency;
+ unsigned int all_DIMMs_burst_lengths_bitmask;
+ unsigned int all_DIMMs_registered;
+ unsigned int all_DIMMs_unbuffered;
+ unsigned int all_DIMMs_ECC_capable;
+
+ unsigned long long total_mem;
+ unsigned long long base_address;
+} common_timing_params_t;
+
+#endif