#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/pm.h>
-#include <memory/jedec_ddr.h>
+
#include "emif.h"
+#include "jedec_ddr.h"
#include "of_memory.h"
/**
--- /dev/null
+/*
+ * Definitions for DDR memories based on JEDEC specs
+ *
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ *
+ * Aneesh V <aneesh@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __JEDEC_DDR_H
+#define __JEDEC_DDR_H
+
+#include <linux/types.h>
+
+/* DDR Densities */
+#define DDR_DENSITY_64Mb 1
+#define DDR_DENSITY_128Mb 2
+#define DDR_DENSITY_256Mb 3
+#define DDR_DENSITY_512Mb 4
+#define DDR_DENSITY_1Gb 5
+#define DDR_DENSITY_2Gb 6
+#define DDR_DENSITY_4Gb 7
+#define DDR_DENSITY_8Gb 8
+#define DDR_DENSITY_16Gb 9
+#define DDR_DENSITY_32Gb 10
+
+/* DDR type */
+#define DDR_TYPE_DDR2 1
+#define DDR_TYPE_DDR3 2
+#define DDR_TYPE_LPDDR2_S4 3
+#define DDR_TYPE_LPDDR2_S2 4
+#define DDR_TYPE_LPDDR2_NVM 5
+
+/* DDR IO width */
+#define DDR_IO_WIDTH_4 1
+#define DDR_IO_WIDTH_8 2
+#define DDR_IO_WIDTH_16 3
+#define DDR_IO_WIDTH_32 4
+
+/* Number of Row bits */
+#define R9 9
+#define R10 10
+#define R11 11
+#define R12 12
+#define R13 13
+#define R14 14
+#define R15 15
+#define R16 16
+
+/* Number of Column bits */
+#define C7 7
+#define C8 8
+#define C9 9
+#define C10 10
+#define C11 11
+#define C12 12
+
+/* Number of Banks */
+#define B1 0
+#define B2 1
+#define B4 2
+#define B8 3
+
+/* Refresh rate in nano-seconds */
+#define T_REFI_15_6 15600
+#define T_REFI_7_8 7800
+#define T_REFI_3_9 3900
+
+/* tRFC values */
+#define T_RFC_90 90000
+#define T_RFC_110 110000
+#define T_RFC_130 130000
+#define T_RFC_160 160000
+#define T_RFC_210 210000
+#define T_RFC_300 300000
+#define T_RFC_350 350000
+
+/* Mode register numbers */
+#define DDR_MR0 0
+#define DDR_MR1 1
+#define DDR_MR2 2
+#define DDR_MR3 3
+#define DDR_MR4 4
+#define DDR_MR5 5
+#define DDR_MR6 6
+#define DDR_MR7 7
+#define DDR_MR8 8
+#define DDR_MR9 9
+#define DDR_MR10 10
+#define DDR_MR11 11
+#define DDR_MR16 16
+#define DDR_MR17 17
+#define DDR_MR18 18
+
+/*
+ * LPDDR2 related defines
+ */
+
+/* MR4 register fields */
+#define MR4_SDRAM_REF_RATE_SHIFT 0
+#define MR4_SDRAM_REF_RATE_MASK 7
+#define MR4_TUF_SHIFT 7
+#define MR4_TUF_MASK (1 << 7)
+
+/* MR4 SDRAM Refresh Rate field values */
+#define SDRAM_TEMP_NOMINAL 0x3
+#define SDRAM_TEMP_RESERVED_4 0x4
+#define SDRAM_TEMP_HIGH_DERATE_REFRESH 0x5
+#define SDRAM_TEMP_HIGH_DERATE_REFRESH_AND_TIMINGS 0x6
+#define SDRAM_TEMP_VERY_HIGH_SHUTDOWN 0x7
+
+#define NUM_DDR_ADDR_TABLE_ENTRIES 11
+#define NUM_DDR_TIMING_TABLE_ENTRIES 4
+
+/* Structure for DDR addressing info from the JEDEC spec */
+struct lpddr2_addressing {
+ u32 num_banks;
+ u32 tREFI_ns;
+ u32 tRFCab_ps;
+};
+
+/*
+ * Structure for timings from the LPDDR2 datasheet
+ * All parameters are in pico seconds(ps) unless explicitly indicated
+ * with a suffix like tRAS_max_ns below
+ */
+struct lpddr2_timings {
+ u32 max_freq;
+ u32 min_freq;
+ u32 tRPab;
+ u32 tRCD;
+ u32 tWR;
+ u32 tRAS_min;
+ u32 tRRD;
+ u32 tWTR;
+ u32 tXP;
+ u32 tRTP;
+ u32 tCKESR;
+ u32 tDQSCK_max;
+ u32 tDQSCK_max_derated;
+ u32 tFAW;
+ u32 tZQCS;
+ u32 tZQCL;
+ u32 tZQinit;
+ u32 tRAS_max_ns;
+};
+
+/*
+ * Min value for some parameters in terms of number of tCK cycles(nCK)
+ * Please set to zero parameters that are not valid for a given memory
+ * type
+ */
+struct lpddr2_min_tck {
+ u32 tRPab;
+ u32 tRCD;
+ u32 tWR;
+ u32 tRASmin;
+ u32 tRRD;
+ u32 tWTR;
+ u32 tXP;
+ u32 tRTP;
+ u32 tCKE;
+ u32 tCKESR;
+ u32 tFAW;
+};
+
+extern const struct lpddr2_addressing
+ lpddr2_jedec_addressing_table[NUM_DDR_ADDR_TABLE_ENTRIES];
+extern const struct lpddr2_timings
+ lpddr2_jedec_timings[NUM_DDR_TIMING_TABLE_ENTRIES];
+extern const struct lpddr2_min_tck lpddr2_jedec_min_tck;
+
+#endif /* __JEDEC_DDR_H */
* published by the Free Software Foundation.
*/
-#include <memory/jedec_ddr.h>
-#include <linux/module.h>
+#include <linux/export.h>
+
+#include "jedec_ddr.h"
/* LPDDR2 addressing details from JESD209-2 section 2.4 */
const struct lpddr2_addressing
#include <linux/list.h>
#include <linux/of.h>
#include <linux/gfp.h>
-#include <memory/jedec_ddr.h>
#include <linux/export.h>
+
+#include "jedec_ddr.h"
#include "of_memory.h"
/**
+++ /dev/null
-/*
- * Definitions for DDR memories based on JEDEC specs
- *
- * Copyright (C) 2012 Texas Instruments, Inc.
- *
- * Aneesh V <aneesh@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef __LINUX_JEDEC_DDR_H
-#define __LINUX_JEDEC_DDR_H
-
-#include <linux/types.h>
-
-/* DDR Densities */
-#define DDR_DENSITY_64Mb 1
-#define DDR_DENSITY_128Mb 2
-#define DDR_DENSITY_256Mb 3
-#define DDR_DENSITY_512Mb 4
-#define DDR_DENSITY_1Gb 5
-#define DDR_DENSITY_2Gb 6
-#define DDR_DENSITY_4Gb 7
-#define DDR_DENSITY_8Gb 8
-#define DDR_DENSITY_16Gb 9
-#define DDR_DENSITY_32Gb 10
-
-/* DDR type */
-#define DDR_TYPE_DDR2 1
-#define DDR_TYPE_DDR3 2
-#define DDR_TYPE_LPDDR2_S4 3
-#define DDR_TYPE_LPDDR2_S2 4
-#define DDR_TYPE_LPDDR2_NVM 5
-
-/* DDR IO width */
-#define DDR_IO_WIDTH_4 1
-#define DDR_IO_WIDTH_8 2
-#define DDR_IO_WIDTH_16 3
-#define DDR_IO_WIDTH_32 4
-
-/* Number of Row bits */
-#define R9 9
-#define R10 10
-#define R11 11
-#define R12 12
-#define R13 13
-#define R14 14
-#define R15 15
-#define R16 16
-
-/* Number of Column bits */
-#define C7 7
-#define C8 8
-#define C9 9
-#define C10 10
-#define C11 11
-#define C12 12
-
-/* Number of Banks */
-#define B1 0
-#define B2 1
-#define B4 2
-#define B8 3
-
-/* Refresh rate in nano-seconds */
-#define T_REFI_15_6 15600
-#define T_REFI_7_8 7800
-#define T_REFI_3_9 3900
-
-/* tRFC values */
-#define T_RFC_90 90000
-#define T_RFC_110 110000
-#define T_RFC_130 130000
-#define T_RFC_160 160000
-#define T_RFC_210 210000
-#define T_RFC_300 300000
-#define T_RFC_350 350000
-
-/* Mode register numbers */
-#define DDR_MR0 0
-#define DDR_MR1 1
-#define DDR_MR2 2
-#define DDR_MR3 3
-#define DDR_MR4 4
-#define DDR_MR5 5
-#define DDR_MR6 6
-#define DDR_MR7 7
-#define DDR_MR8 8
-#define DDR_MR9 9
-#define DDR_MR10 10
-#define DDR_MR11 11
-#define DDR_MR16 16
-#define DDR_MR17 17
-#define DDR_MR18 18
-
-/*
- * LPDDR2 related defines
- */
-
-/* MR4 register fields */
-#define MR4_SDRAM_REF_RATE_SHIFT 0
-#define MR4_SDRAM_REF_RATE_MASK 7
-#define MR4_TUF_SHIFT 7
-#define MR4_TUF_MASK (1 << 7)
-
-/* MR4 SDRAM Refresh Rate field values */
-#define SDRAM_TEMP_NOMINAL 0x3
-#define SDRAM_TEMP_RESERVED_4 0x4
-#define SDRAM_TEMP_HIGH_DERATE_REFRESH 0x5
-#define SDRAM_TEMP_HIGH_DERATE_REFRESH_AND_TIMINGS 0x6
-#define SDRAM_TEMP_VERY_HIGH_SHUTDOWN 0x7
-
-#define NUM_DDR_ADDR_TABLE_ENTRIES 11
-#define NUM_DDR_TIMING_TABLE_ENTRIES 4
-
-/* Structure for DDR addressing info from the JEDEC spec */
-struct lpddr2_addressing {
- u32 num_banks;
- u32 tREFI_ns;
- u32 tRFCab_ps;
-};
-
-/*
- * Structure for timings from the LPDDR2 datasheet
- * All parameters are in pico seconds(ps) unless explicitly indicated
- * with a suffix like tRAS_max_ns below
- */
-struct lpddr2_timings {
- u32 max_freq;
- u32 min_freq;
- u32 tRPab;
- u32 tRCD;
- u32 tWR;
- u32 tRAS_min;
- u32 tRRD;
- u32 tWTR;
- u32 tXP;
- u32 tRTP;
- u32 tCKESR;
- u32 tDQSCK_max;
- u32 tDQSCK_max_derated;
- u32 tFAW;
- u32 tZQCS;
- u32 tZQCL;
- u32 tZQinit;
- u32 tRAS_max_ns;
-};
-
-/*
- * Min value for some parameters in terms of number of tCK cycles(nCK)
- * Please set to zero parameters that are not valid for a given memory
- * type
- */
-struct lpddr2_min_tck {
- u32 tRPab;
- u32 tRCD;
- u32 tWR;
- u32 tRASmin;
- u32 tRRD;
- u32 tWTR;
- u32 tXP;
- u32 tRTP;
- u32 tCKE;
- u32 tCKESR;
- u32 tFAW;
-};
-
-extern const struct lpddr2_addressing
- lpddr2_jedec_addressing_table[NUM_DDR_ADDR_TABLE_ENTRIES];
-extern const struct lpddr2_timings
- lpddr2_jedec_timings[NUM_DDR_TIMING_TABLE_ENTRIES];
-extern const struct lpddr2_min_tck lpddr2_jedec_min_tck;
-
-#endif /* __LINUX_JEDEC_DDR_H */
projects / platform / kernel / linux-starfive.git / commitdiff