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-rw-r--r--arch/arm/mach-socfpga/include/mach/sdram.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/include/mach/sdram.h b/arch/arm/mach-socfpga/include/mach/sdram.h
index 89240b8..0cebd50 100644
--- a/arch/arm/mach-socfpga/include/mach/sdram.h
+++ b/arch/arm/mach-socfpga/include/mach/sdram.h
@@ -73,6 +73,48 @@ struct socfpga_sdr_ctrl {
u32 phy_ctrl2;
};
+/* SDRAM configuration structure for the SPL. */
+struct socfpga_sdram_config {
+ u32 ctrl_cfg;
+ u32 dram_timing1;
+ u32 dram_timing2;
+ u32 dram_timing3;
+ u32 dram_timing4;
+ u32 lowpwr_timing;
+ u32 dram_odt;
+ u32 dram_addrw;
+ u32 dram_if_width;
+ u32 dram_dev_width;
+ u32 dram_intr;
+ u32 lowpwr_eq;
+ u32 static_cfg;
+ u32 ctrl_width;
+ u32 cport_width;
+ u32 cport_wmap;
+ u32 cport_rmap;
+ u32 rfifo_cmap;
+ u32 wfifo_cmap;
+ u32 cport_rdwr;
+ u32 port_cfg;
+ u32 fpgaport_rst;
+ u32 fifo_cfg;
+ u32 mp_priority;
+ u32 mp_weight0;
+ u32 mp_weight1;
+ u32 mp_weight2;
+ u32 mp_weight3;
+ u32 mp_pacing0;
+ u32 mp_pacing1;
+ u32 mp_pacing2;
+ u32 mp_pacing3;
+ u32 mp_threshold0;
+ u32 mp_threshold1;
+ u32 mp_threshold2;
+ u32 phy_ctrl0;
+};
+
+const struct socfpga_sdram_config *socfpga_get_sdram_config(void);
+
#define SDR_CTRLGRP_CTRLCFG_NODMPINS_LSB 23
#define SDR_CTRLGRP_CTRLCFG_NODMPINS_MASK 0x00800000
#define SDR_CTRLGRP_CTRLCFG_DQSTRKEN_LSB 22