summaryrefslogtreecommitdiffstats
path: root/plat/marvell/armada/a8k/a70x0/board/dram_port.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--plat/marvell/armada/a8k/a70x0/board/dram_port.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/plat/marvell/armada/a8k/a70x0/board/dram_port.c b/plat/marvell/armada/a8k/a70x0/board/dram_port.c
new file mode 100644
index 0000000..355770b
--- /dev/null
+++ b/plat/marvell/armada/a8k/a70x0/board/dram_port.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+
+#include <mv_ddr_if.h>
+#include <plat_marvell.h>
+
+/*
+ * This function may modify the default DRAM parameters
+ * based on information received from SPD or bootloader
+ * configuration located on non volatile storage
+ */
+void plat_marvell_dram_update_topology(void)
+{
+}
+
+/*
+ * This struct provides the DRAM training code with
+ * the appropriate board DRAM configuration
+ */
+static struct mv_ddr_topology_map board_topology_map = {
+/* FIXME: MISL board 2CS 4Gb x8 devices of micron - 2133P */
+ DEBUG_LEVEL_ERROR,
+ 0x1, /* active interfaces */
+ /* cs_mask, mirror, dqs_swap, ck_swap X subphys */
+ { { { {0x3, 0x2, 0, 0},
+ {0x3, 0x2, 0, 0},
+ {0x3, 0x2, 0, 0},
+ {0x3, 0x2, 0, 0},
+ {0x3, 0x2, 0, 0},
+ {0x3, 0x2, 0, 0},
+ {0x3, 0x2, 0, 0},
+ {0x3, 0x2, 0, 0},
+ {0x3, 0x2, 0, 0} },
+ SPEED_BIN_DDR_2133P, /* speed_bin */
+ MV_DDR_DEV_WIDTH_8BIT, /* sdram device width */
+ MV_DDR_DIE_CAP_4GBIT, /* die capacity */
+ MV_DDR_FREQ_SAR, /* frequency */
+ 0, 0, /* cas_l, cas_wl */
+ MV_DDR_TEMP_LOW} }, /* temperature */
+ MV_DDR_32BIT_ECC_PUP8_BUS_MASK, /* subphys mask */
+ MV_DDR_CFG_DEFAULT, /* ddr configuration data source */
+ NOT_COMBINED, /* ddr twin-die combined*/
+ { {0} }, /* raw spd data */
+ {0}, /* timing parameters */
+ { /* electrical configuration */
+ { /* memory electrical configuration */
+ MV_DDR_RTT_NOM_PARK_RZQ_DISABLE, /* rtt_nom */
+ {
+ MV_DDR_RTT_NOM_PARK_RZQ_DIV4, /* rtt_park 1cs */
+ MV_DDR_RTT_NOM_PARK_RZQ_DIV1 /* rtt_park 2cs */
+ },
+ {
+ MV_DDR_RTT_WR_DYN_ODT_OFF, /* rtt_wr 1cs */
+ MV_DDR_RTT_WR_RZQ_DIV2 /* rtt_wr 2cs */
+ },
+ MV_DDR_DIC_RZQ_DIV7 /* dic */
+ },
+ { /* phy electrical configuration */
+ MV_DDR_OHM_30, /* data_drv_p */
+ MV_DDR_OHM_30, /* data_drv_n */
+ MV_DDR_OHM_30, /* ctrl_drv_p */
+ MV_DDR_OHM_30, /* ctrl_drv_n */
+ {
+ MV_DDR_OHM_60, /* odt_p 1cs */
+ MV_DDR_OHM_120 /* odt_p 2cs */
+ },
+ {
+ MV_DDR_OHM_60, /* odt_n 1cs */
+ MV_DDR_OHM_120 /* odt_n 2cs */
+ },
+ },
+ { /* mac electrical configuration */
+ MV_DDR_ODT_CFG_NORMAL, /* odtcfg_pattern */
+ MV_DDR_ODT_CFG_ALWAYS_ON, /* odtcfg_write */
+ MV_DDR_ODT_CFG_NORMAL, /* odtcfg_read */
+ },
+ }
+};
+
+struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
+{
+ /* Return the board topology as defined in the board code */
+ return &board_topology_map;
+}