summaryrefslogtreecommitdiff
path: root/board/freescale/t208xrdb/ddr.h
diff options
context:
space:
mode:
Diffstat (limited to 'board/freescale/t208xrdb/ddr.h')
-rw-r--r--board/freescale/t208xrdb/ddr.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/board/freescale/t208xrdb/ddr.h b/board/freescale/t208xrdb/ddr.h
new file mode 100644
index 0000000..b6d4062
--- /dev/null
+++ b/board/freescale/t208xrdb/ddr.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __DDR_H__
+#define __DDR_H__
+struct board_specific_parameters {
+ u32 n_ranks;
+ u32 datarate_mhz_high;
+ u32 rank_gb;
+ u32 clk_adjust;
+ u32 wrlvl_start;
+ u32 wrlvl_ctl_2;
+ u32 wrlvl_ctl_3;
+};
+
+/*
+ * These tables contain all valid speeds we want to override with board
+ * specific parameters. datarate_mhz_high values need to be in ascending order
+ * for each n_ranks group.
+ */
+
+static const struct board_specific_parameters udimm0[] = {
+ /*
+ * memory controller 0
+ * num| hi| rank| clk| wrlvl | wrlvl | wrlvl |
+ * ranks| mhz| GB |adjst| start | ctl2 | ctl3 |
+ */
+ {2, 1200, 2, 5, 7, 0x0808090a, 0x0b0c0c0a},
+ {2, 1500, 2, 5, 6, 0x07070809, 0x0a0b0b09},
+ {2, 1600, 2, 5, 8, 0x0808070b, 0x0c0d0e0a},
+ {2, 1700, 2, 4, 7, 0x080a0a0c, 0x0c0d0e0a},
+ {2, 1900, 2, 5, 9, 0x0a0b0c0e, 0x0f10120c},
+ {1, 1200, 2, 5, 7, 0x0808090a, 0x0b0c0c0a},
+ {1, 1500, 2, 5, 6, 0x07070809, 0x0a0b0b09},
+ {1, 1600, 2, 5, 8, 0x0808070b, 0x0c0d0e0a},
+ {1, 1700, 2, 4, 7, 0x080a0a0c, 0x0c0d0e0a},
+ {1, 1900, 2, 5, 9, 0x0a0b0c0e, 0x0f10120c},
+ {}
+};
+
+static const struct board_specific_parameters *udimms[] = {
+ udimm0,
+};
+#endif