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Diffstat (limited to 'drivers/ddr/marvell/a38x/ddr_ml_wrapper.h')
-rw-r--r--drivers/ddr/marvell/a38x/ddr_ml_wrapper.h148
1 files changed, 148 insertions, 0 deletions
diff --git a/drivers/ddr/marvell/a38x/ddr_ml_wrapper.h b/drivers/ddr/marvell/a38x/ddr_ml_wrapper.h
new file mode 100644
index 0000000000..5bf3239921
--- /dev/null
+++ b/drivers/ddr/marvell/a38x/ddr_ml_wrapper.h
@@ -0,0 +1,148 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) Marvell International Ltd. and its affiliates
+ */
+
+#ifndef _DDR_ML_WRAPPER_H
+#define _DDR_ML_WRAPPER_H
+
+#include <common.h>
+#include <i2c.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+#if defined(CONFIG_ARMADA_38X) || defined(CONFIG_ARMADA_39X)
+#define INTER_REGS_BASE SOC_REGS_PHY_BASE
+#endif
+
+/*
+ * MV_DEBUG_INIT need to be defines, otherwise the output of the
+ * DDR2 training code is not complete and misleading
+ */
+#define MV_DEBUG_INIT
+
+#ifdef MV_DEBUG_INIT
+#define DEBUG_INIT_S(s) puts(s)
+#define DEBUG_INIT_D(d, l) printf("%x", d)
+#define DEBUG_INIT_D_10(d, l) printf("%d", d)
+#else
+#define DEBUG_INIT_S(s)
+#define DEBUG_INIT_D(d, l)
+#define DEBUG_INIT_D_10(d, l)
+#endif
+
+#ifdef MV_DEBUG_INIT_FULL
+#define DEBUG_INIT_FULL_S(s) puts(s)
+#define DEBUG_INIT_FULL_D(d, l) printf("%x", d)
+#define DEBUG_INIT_FULL_D_10(d, l) printf("%d", d)
+#define DEBUG_WR_REG(reg, val) \
+ { DEBUG_INIT_S("Write Reg: 0x"); DEBUG_INIT_D((reg), 8); \
+ DEBUG_INIT_S("= "); DEBUG_INIT_D((val), 8); DEBUG_INIT_S("\n"); }
+#define DEBUG_RD_REG(reg, val) \
+ { DEBUG_INIT_S("Read Reg: 0x"); DEBUG_INIT_D((reg), 8); \
+ DEBUG_INIT_S("= "); DEBUG_INIT_D((val), 8); DEBUG_INIT_S("\n"); }
+#else
+#define DEBUG_INIT_FULL_S(s)
+#define DEBUG_INIT_FULL_D(d, l)
+#define DEBUG_INIT_FULL_D_10(d, l)
+#define DEBUG_WR_REG(reg, val)
+#define DEBUG_RD_REG(reg, val)
+#endif
+
+#define DEBUG_INIT_FULL_C(s, d, l) \
+ { DEBUG_INIT_FULL_S(s); \
+ DEBUG_INIT_FULL_D(d, l); \
+ DEBUG_INIT_FULL_S("\n"); }
+#define DEBUG_INIT_C(s, d, l) \
+ { DEBUG_INIT_S(s); DEBUG_INIT_D(d, l); DEBUG_INIT_S("\n"); }
+
+/*
+ * Debug (Enable/Disable modules) and Error report
+ */
+
+#ifdef BASIC_DEBUG
+#define MV_DEBUG_WL
+#define MV_DEBUG_RL
+#define MV_DEBUG_DQS_RESULTS
+#endif
+
+#ifdef FULL_DEBUG
+#define MV_DEBUG_WL
+#define MV_DEBUG_RL
+#define MV_DEBUG_DQS
+
+#define MV_DEBUG_PBS
+#define MV_DEBUG_DFS
+#define MV_DEBUG_MAIN_FULL
+#define MV_DEBUG_DFS_FULL
+#define MV_DEBUG_DQS_FULL
+#define MV_DEBUG_RL_FULL
+#define MV_DEBUG_WL_FULL
+#endif
+
+
+/* The following is a list of Marvell status */
+#define MV_ERROR (-1)
+#define MV_OK (0x00) /* Operation succeeded */
+#define MV_FAIL (0x01) /* Operation failed */
+#define MV_BAD_VALUE (0x02) /* Illegal value (general) */
+#define MV_OUT_OF_RANGE (0x03) /* The value is out of range */
+#define MV_BAD_PARAM (0x04) /* Illegal parameter in function called */
+#define MV_BAD_PTR (0x05) /* Illegal pointer value */
+#define MV_BAD_SIZE (0x06) /* Illegal size */
+#define MV_BAD_STATE (0x07) /* Illegal state of state machine */
+#define MV_SET_ERROR (0x08) /* Set operation failed */
+#define MV_GET_ERROR (0x09) /* Get operation failed */
+#define MV_CREATE_ERROR (0x0a) /* Fail while creating an item */
+#define MV_NOT_FOUND (0x0b) /* Item not found */
+#define MV_NO_MORE (0x0c) /* No more items found */
+#define MV_NO_SUCH (0x0d) /* No such item */
+#define MV_TIMEOUT (0x0e) /* Time Out */
+#define MV_NO_CHANGE (0x0f) /* Parameter(s) is already in this value */
+#define MV_NOT_SUPPORTED (0x10) /* This request is not support */
+#define MV_NOT_IMPLEMENTED (0x11) /* Request supported but not implemented*/
+#define MV_NOT_INITIALIZED (0x12) /* The item is not initialized */
+#define MV_NO_RESOURCE (0x13) /* Resource not available (memory ...) */
+#define MV_FULL (0x14) /* Item is full (Queue or table etc...) */
+#define MV_EMPTY (0x15) /* Item is empty (Queue or table etc...) */
+#define MV_INIT_ERROR (0x16) /* Error occured while INIT process */
+#define MV_HW_ERROR (0x17) /* Hardware error */
+#define MV_TX_ERROR (0x18) /* Transmit operation not succeeded */
+#define MV_RX_ERROR (0x19) /* Recieve operation not succeeded */
+#define MV_NOT_READY (0x1a) /* The other side is not ready yet */
+#define MV_ALREADY_EXIST (0x1b) /* Tried to create existing item */
+#define MV_OUT_OF_CPU_MEM (0x1c) /* Cpu memory allocation failed. */
+#define MV_NOT_STARTED (0x1d) /* Not started yet */
+#define MV_BUSY (0x1e) /* Item is busy. */
+#define MV_TERMINATE (0x1f) /* Item terminates it's work. */
+#define MV_NOT_ALIGNED (0x20) /* Wrong alignment */
+#define MV_NOT_ALLOWED (0x21) /* Operation NOT allowed */
+#define MV_WRITE_PROTECT (0x22) /* Write protected */
+#define MV_INVALID (int)(-1)
+
+/*
+ * Accessor functions for the registers
+ */
+static inline void reg_write(u32 addr, u32 val)
+{
+ writel(val, INTER_REGS_BASE + addr);
+}
+
+static inline u32 reg_read(u32 addr)
+{
+ return readl(INTER_REGS_BASE + addr);
+}
+
+static inline void reg_bit_set(u32 addr, u32 mask)
+{
+ setbits_le32(INTER_REGS_BASE + addr, mask);
+}
+
+static inline void reg_bit_clr(u32 addr, u32 mask)
+{
+ clrbits_le32(INTER_REGS_BASE + addr, mask);
+}
+
+#endif /* _DDR_ML_WRAPPER_H */