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-rw-r--r--src/soc/rockchip/rk3288/sdram.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/soc/rockchip/rk3288/sdram.h b/src/soc/rockchip/rk3288/sdram.h
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+++ b/src/soc/rockchip/rk3288/sdram.h
@@ -0,0 +1,104 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __SOC_ROCKCHIP_RK3288_SDRAM_H__
+#define __SOC_ROCKCHIP_RK3288_SDRAM_H__
+
+#include <arch/io.h>
+
+enum {
+ DDR3 = 3,
+ LPDDR3 = 6,
+ UNUSED = 0xFF,
+};
+
+struct rk3288_sdram_channel {
+ u8 rank;
+ u8 col;
+ u8 bk;
+ u8 bw;
+ u8 dbw;
+ u8 row_3_4;
+ u8 cs0_row;
+ u8 cs1_row;
+};
+
+struct rk3288_sdram_pctl_timing {
+ u32 togcnt1u;
+ u32 tinit;
+ u32 trsth;
+ u32 togcnt100n;
+ u32 trefi;
+ u32 tmrd;
+ u32 trfc;
+ u32 trp;
+ u32 trtw;
+ u32 tal;
+ u32 tcl;
+ u32 tcwl;
+ u32 tras;
+ u32 trc;
+ u32 trcd;
+ u32 trrd;
+ u32 trtp;
+ u32 twr;
+ u32 twtr;
+ u32 texsr;
+ u32 txp;
+ u32 txpdll;
+ u32 tzqcs;
+ u32 tzqcsi;
+ u32 tdqs;
+ u32 tcksre;
+ u32 tcksrx;
+ u32 tcke;
+ u32 tmod;
+ u32 trstl;
+ u32 tzqcl;
+ u32 tmrr;
+ u32 tckesr;
+ u32 tdpd;
+};
+check_member(rk3288_sdram_pctl_timing, tdpd, 0x144 - 0xc0);
+
+struct rk3288_sdram_phy_timing {
+ u32 dtpr0;
+ u32 dtpr1;
+ u32 dtpr2;
+ u32 mr[4];
+};
+
+struct rk3288_sdram_params {
+ struct rk3288_sdram_channel ch[2];
+ struct rk3288_sdram_pctl_timing pctl_timing;
+ struct rk3288_sdram_phy_timing phy_timing;
+ u32 noc_timing;
+ u32 noc_activate;
+ u32 ddrconfig;
+ u32 ddr_freq;
+ u8 dramtype;
+ u8 num_channels;
+ u8 stride;
+ u8 odt;
+};
+
+void sdram_init(const struct rk3288_sdram_params *sdram_params);
+u32 sdram_get_ram_code(void);
+const struct rk3288_sdram_params *get_sdram_config(void);
+#endif