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/*
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 * This file contains defines for the
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 *   Micro Memory MM5415
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 * family PCI Memory Module with Battery Backup.
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 *
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 * Copyright Micro Memory INC 2001.  All rights reserved.
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 * Release under the terms of the GNU GENERAL PUBLIC LICENSE version 2.
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 * See the file COPYING.
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 */
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#ifndef _DRIVERS_BLOCK_MM_H
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#define _DRIVERS_BLOCK_MM_H
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#define IRQ_TIMEOUT (1 * HZ)
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/* CSR register definition */
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#define MEMCTRLSTATUS_MAGIC     0x00
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#define  MM_MAGIC_VALUE         (unsigned char)0x59
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#define MEMCTRLSTATUS_BATTERY   0x04
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#define  BATTERY_1_DISABLED     0x01
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#define  BATTERY_1_FAILURE      0x02
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#define  BATTERY_2_DISABLED     0x04
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#define  BATTERY_2_FAILURE      0x08
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#define MEMCTRLSTATUS_MEMORY    0x07
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#define  MEM_128_MB             0xfe
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#define  MEM_256_MB             0xfc
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#define  MEM_512_MB             0xf8
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#define  MEM_1_GB               0xf0
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#define  MEM_2_GB               0xe0
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#define MEMCTRLCMD_LEDCTRL      0x08
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#define  LED_REMOVE             2
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#define  LED_FAULT              4
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#define  LED_POWER              6
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#define  LED_FLIP               255
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#define  LED_OFF                0x00
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#define  LED_ON                 0x01
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#define  LED_FLASH_3_5          0x02
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#define  LED_FLASH_7_0          0x03
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#define  LED_POWER_ON           0x00
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#define  LED_POWER_OFF          0x01
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#define  USER_BIT1              0x01
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#define  USER_BIT2              0x02
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#define MEMORY_INITIALIZED      USER_BIT1
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#define MEMCTRLCMD_ERRCTRL      0x0C
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#define  EDC_NONE_DEFAULT       0x00
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#define  EDC_NONE               0x01
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#define  EDC_STORE_READ         0x02
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#define  EDC_STORE_CORRECT      0x03
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#define MEMCTRLCMD_ERRCNT       0x0D
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#define MEMCTRLCMD_ERRSTATUS    0x0E
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#define ERROR_DATA_LOG          0x20
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#define ERROR_ADDR_LOG          0x28
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#define ERROR_COUNT             0x3D
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#define ERROR_SYNDROME          0x3E
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#define ERROR_CHECK             0x3F
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#define DMA_PCI_ADDR            0x40
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#define DMA_LOCAL_ADDR          0x48
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#define DMA_TRANSFER_SIZE       0x50
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#define DMA_DESCRIPTOR_ADDR     0x58
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#define DMA_SEMAPHORE_ADDR      0x60
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#define DMA_STATUS_CTRL         0x68
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#define  DMASCR_GO              0x00001
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#define  DMASCR_TRANSFER_READ   0x00002
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#define  DMASCR_CHAIN_EN        0x00004
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#define  DMASCR_SEM_EN          0x00010
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#define  DMASCR_DMA_COMP_EN     0x00020
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#define  DMASCR_CHAIN_COMP_EN   0x00040
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#define  DMASCR_ERR_INT_EN      0x00080
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#define  DMASCR_PARITY_INT_EN   0x00100
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#define  DMASCR_ANY_ERR         0x00800
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#define  DMASCR_MBE_ERR         0x01000
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#define  DMASCR_PARITY_ERR_REP  0x02000
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#define  DMASCR_PARITY_ERR_DET  0x04000
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#define  DMASCR_SYSTEM_ERR_SIG  0x08000
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#define  DMASCR_TARGET_ABT      0x10000
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#define  DMASCR_MASTER_ABT      0x20000
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#define  DMASCR_DMA_COMPLETE    0x40000
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#define  DMASCR_CHAIN_COMPLETE  0x80000
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/*
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3.SOME PCs HAVE HOST BRIDGES WHICH APPARENTLY DO NOT CORRECTLY HANDLE
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READ-LINE (0xE) OR READ-MULTIPLE (0xC) PCI COMMAND CODES DURING DMA
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TRANSFERS. IN OTHER SYSTEMS THESE COMMAND CODES WILL CAUSE THE HOST BRIDGE
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TO ALLOW LONGER BURSTS DURING DMA READ OPERATIONS. THE UPPER FOUR BITS
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(31..28) OF THE DMA CSR HAVE BEEN MADE PROGRAMMABLE, SO THAT EITHER A 0x6,
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AN 0xE OR A 0xC CAN BE WRITTEN TO THEM TO SET THE COMMAND CODE USED DURING
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DMA READ OPERATIONS.
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*/
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#define        DMASCR_READ   0x60000000
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#define        DMASCR_READLINE   0xE0000000
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#define        DMASCR_READMULTI   0xC0000000
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#define DMASCR_ERROR_MASK       (DMASCR_MASTER_ABT | DMASCR_TARGET_ABT | DMASCR_SYSTEM_ERR_SIG | DMASCR_PARITY_ERR_DET | DMASCR_MBE_ERR | DMASCR_ANY_ERR)
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#define DMASCR_HARD_ERROR       (DMASCR_MASTER_ABT | DMASCR_TARGET_ABT | DMASCR_SYSTEM_ERR_SIG | DMASCR_PARITY_ERR_DET | DMASCR_MBE_ERR)
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#define WINDOWMAP_WINNUM        0x7B
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#define DMA_READ_FROM_HOST 0
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#define DMA_WRITE_TO_HOST 1
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struct mm_dma_desc {
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        u64     pci_addr;
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        u64     local_addr;
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        u32     transfer_size;
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        u32     zero1;
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        u64     next_desc_addr;
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        u64     sem_addr;
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        u32     control_bits;
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        u32     zero2;
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        dma_addr_t data_dma_handle;
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        /* Copy of the bits */
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        u64     sem_control_bits;
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} __attribute__((aligned(8)));
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#define PCI_VENDOR_ID_MICRO_MEMORY              0x1332
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#define PCI_DEVICE_ID_MICRO_MEMORY_5415CN       0x5415
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#define PCI_DEVICE_ID_MICRO_MEMORY_5425CN       0x5425
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#define PCI_DEVICE_ID_MICRO_MEMORY_6155         0x6155
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/* bits for card->flags */
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#define UM_FLAG_DMA_IN_REGS             1
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#define UM_FLAG_NO_BYTE_STATUS          2
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#define UM_FLAG_NO_BATTREG              4
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#define UM_FLAG_NO_BATT                 8
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#endif