diff options
Diffstat (limited to 'drivers/ddr/mvebu/xor_regs.h')
| -rw-r--r-- | drivers/ddr/mvebu/xor_regs.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/ddr/mvebu/xor_regs.h b/drivers/ddr/mvebu/xor_regs.h new file mode 100644 index 0000000..884aa15 --- /dev/null +++ b/drivers/ddr/mvebu/xor_regs.h @@ -0,0 +1,103 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __XOR_REGS_H +#define __XOR_REGS_H + +/* + * For controllers that have two XOR units, then chans 2 & 3 will be mapped + * to channels 0 & 1 of unit 1 + */ +#define XOR_UNIT(chan) ((chan) >> 1) +#define XOR_CHAN(chan) ((chan) & 1) + +#define MV_XOR_REGS_OFFSET(unit) (0x60900) +#define MV_XOR_REGS_BASE(unit) (MV_XOR_REGS_OFFSET(unit)) + +/* XOR Engine Control Register Map */ +#define XOR_CHANNEL_ARBITER_REG(unit) (MV_XOR_REGS_BASE(unit)) +#define XOR_CONFIG_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x10 + ((chan) * 4))) +#define XOR_ACTIVATION_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x20 + ((chan) * 4))) + +/* XOR Engine Interrupt Register Map */ +#define XOR_CAUSE_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x30) +#define XOR_MASK_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x40) +#define XOR_ERROR_CAUSE_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x50) +#define XOR_ERROR_ADDR_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x60) + +/* XOR Engine Descriptor Register Map */ +#define XOR_NEXT_DESC_PTR_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x200 + ((chan) * 4))) +#define XOR_CURR_DESC_PTR_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x210 + ((chan) * 4))) +#define XOR_BYTE_COUNT_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x220 + ((chan) * 4))) + +#define XOR_DST_PTR_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x2B0 + ((chan) * 4))) +#define XOR_BLOCK_SIZE_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x2C0 + ((chan) * 4))) +#define XOR_TIMER_MODE_CTRL_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x2D0) +#define XOR_TIMER_MODE_INIT_VAL_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x2D4) +#define XOR_TIMER_MODE_CURR_VAL_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x2D8) +#define XOR_INIT_VAL_LOW_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x2E0) +#define XOR_INIT_VAL_HIGH_REG(unit) (MV_XOR_REGS_BASE(unit) + 0x2E4) + +/* XOR register fileds */ + +/* XOR Engine [0..1] Configuration Registers (XExCR) */ +#define XEXCR_OPERATION_MODE_OFFS (0) +#define XEXCR_OPERATION_MODE_MASK (7 << XEXCR_OPERATION_MODE_OFFS) +#define XEXCR_OPERATION_MODE_XOR (0 << XEXCR_OPERATION_MODE_OFFS) +#define XEXCR_OPERATION_MODE_CRC (1 << XEXCR_OPERATION_MODE_OFFS) +#define XEXCR_OPERATION_MODE_DMA (2 << XEXCR_OPERATION_MODE_OFFS) +#define XEXCR_OPERATION_MODE_ECC (3 << XEXCR_OPERATION_MODE_OFFS) +#define XEXCR_OPERATION_MODE_MEM_INIT (4 << XEXCR_OPERATION_MODE_OFFS) + +#define XEXCR_SRC_BURST_LIMIT_OFFS (4) +#define XEXCR_SRC_BURST_LIMIT_MASK (7 << XEXCR_SRC_BURST_LIMIT_OFFS) +#define XEXCR_DST_BURST_LIMIT_OFFS (8) +#define XEXCR_DST_BURST_LIMIT_MASK (7 << XEXCR_DST_BURST_LIMIT_OFFS) +#define XEXCR_DRD_RES_SWP_OFFS (12) +#define XEXCR_DRD_RES_SWP_MASK (1 << XEXCR_DRD_RES_SWP_OFFS) +#define XEXCR_DWR_REQ_SWP_OFFS (13) +#define XEXCR_DWR_REQ_SWP_MASK (1 << XEXCR_DWR_REQ_SWP_OFFS) +#define XEXCR_DES_SWP_OFFS (14) +#define XEXCR_DES_SWP_MASK (1 << XEXCR_DES_SWP_OFFS) +#define XEXCR_REG_ACC_PROTECT_OFFS (15) +#define XEXCR_REG_ACC_PROTECT_MASK (1 << XEXCR_REG_ACC_PROTECT_OFFS) + +/* XOR Engine [0..1] Activation Registers (XExACTR) */ +#define XEXACTR_XESTART_OFFS (0) +#define XEXACTR_XESTART_MASK (1 << XEXACTR_XESTART_OFFS) +#define XEXACTR_XESTOP_OFFS (1) +#define XEXACTR_XESTOP_MASK (1 << XEXACTR_XESTOP_OFFS) +#define XEXACTR_XEPAUSE_OFFS (2) +#define XEXACTR_XEPAUSE_MASK (1 << XEXACTR_XEPAUSE_OFFS) +#define XEXACTR_XERESTART_OFFS (3) +#define XEXACTR_XERESTART_MASK (1 << XEXACTR_XERESTART_OFFS) +#define XEXACTR_XESTATUS_OFFS (4) +#define XEXACTR_XESTATUS_MASK (3 << XEXACTR_XESTATUS_OFFS) +#define XEXACTR_XESTATUS_IDLE (0 << XEXACTR_XESTATUS_OFFS) +#define XEXACTR_XESTATUS_ACTIVE (1 << XEXACTR_XESTATUS_OFFS) +#define XEXACTR_XESTATUS_PAUSED (2 << XEXACTR_XESTATUS_OFFS) + +/* XOR Engine [0..1] Destination Pointer Register (XExDPR0) */ +#define XEXDPR_DST_PTR_OFFS (0) +#define XEXDPR_DST_PTR_MASK (0xFFFFFFFF << XEXDPR_DST_PTR_OFFS) +#define XEXDPR_DST_PTR_XOR_MASK (0x3F) +#define XEXDPR_DST_PTR_DMA_MASK (0x1F) +#define XEXDPR_DST_PTR_CRC_MASK (0x1F) + +/* XOR Engine[0..1] Block Size Registers (XExBSR) */ +#define XEXBSR_BLOCK_SIZE_OFFS (0) +#define XEXBSR_BLOCK_SIZE_MASK (0xFFFFFFFF << XEXBSR_BLOCK_SIZE_OFFS) +#define XEXBSR_BLOCK_SIZE_MIN_VALUE (128) +#define XEXBSR_BLOCK_SIZE_MAX_VALUE (0xFFFFFFFF) + +/* XOR Engine Address Decoding Register Map */ +#define XOR_WINDOW_CTRL_REG(unit, chan) (MV_XOR_REGS_BASE(unit) + (0x240 + ((chan) * 4))) +#define XOR_BASE_ADDR_REG(unit, win) (MV_XOR_REGS_BASE(unit) + (0x250 + ((win) * 4))) +#define XOR_SIZE_MASK_REG(unit, win) (MV_XOR_REGS_BASE(unit) + (0x270 + ((win) * 4))) +#define XOR_HIGH_ADDR_REMAP_REG(unit, win) (MV_XOR_REGS_BASE(unit) + (0x290 + ((win) * 4))) +#define XOR_ADDR_OVRD_REG(unit, win) (MV_XOR_REGS_BASE(unit) + (0x2A0 + ((win) * 4))) + +#endif /* __XOR_REGS_H */ |