1 files changed, 69 insertions, 0 deletions

diff --git a/include/linux/ti-emif-sram.h b/include/linux/ti-emif-sram.h
new file mode 100644
index 000000000000..45bc6b376492
--- /dev/null
+++ b/include/linux/ti-emif-sram.h
@@ -0,0 +1,69 @@
+/*
+ * TI AM33XX EMIF Routines
+ *
+ * Copyright (C) 2016-2017 Texas Instruments Inc.
+ *      Dave Gerlach
+ *
+ * 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.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#ifndef __LINUX_TI_EMIF_H
+#define __LINUX_TI_EMIF_H
+
+#include <linux/kbuild.h>
+#include <linux/types.h>
+#ifndef __ASSEMBLY__
+
+struct emif_regs_amx3 {
+        u32 emif_sdcfg_val;
+        u32 emif_timing1_val;
+        u32 emif_timing2_val;
+        u32 emif_timing3_val;
+        u32 emif_ref_ctrl_val;
+        u32 emif_zqcfg_val;
+        u32 emif_pmcr_val;
+        u32 emif_pmcr_shdw_val;
+        u32 emif_rd_wr_level_ramp_ctrl;
+        u32 emif_rd_wr_exec_thresh;
+        u32 emif_cos_config;
+        u32 emif_priority_to_cos_mapping;
+        u32 emif_connect_id_serv_1_map;
+        u32 emif_connect_id_serv_2_map;
+        u32 emif_ocp_config_val;
+        u32 emif_lpddr2_nvm_tim;
+        u32 emif_lpddr2_nvm_tim_shdw;
+        u32 emif_dll_calib_ctrl_val;
+        u32 emif_dll_calib_ctrl_val_shdw;
+        u32 emif_ddr_phy_ctlr_1;
+        u32 emif_ext_phy_ctrl_vals[120];
+};
+
+struct ti_emif_pm_data {
+        void __iomem *ti_emif_base_addr_virt;
+        phys_addr_t ti_emif_base_addr_phys;
+        unsigned long ti_emif_sram_config;
+        struct emif_regs_amx3 *regs_virt;
+        phys_addr_t regs_phys;
+} __packed __aligned(8);
+
+struct ti_emif_pm_functions {
+        u32 save_context;
+        u32 restore_context;
+        u32 enter_sr;
+        u32 exit_sr;
+        u32 abort_sr;
+} __packed __aligned(8);
+
+struct gen_pool;
+
+int ti_emif_copy_pm_function_table(struct gen_pool *sram_pool, void *dst);
+int ti_emif_get_mem_type(void);
+
+#endif
+#endif /* __LINUX_TI_EMIF_H */