1 files changed, 138 insertions, 0 deletions

diff --git a/include/linux/umem.h b/include/linux/umem.h
new file mode 100644
index 000000000000..f36ebfc32bf6
--- /dev/null
+++ b/include/linux/umem.h
@@ -0,0 +1,138 @@
+
+/*
+ * This file contains defines for the
+ *   Micro Memory MM5415
+ * family PCI Memory Module with Battery Backup.
+ *
+ * Copyright Micro Memory INC 2001.  All rights reserved.
+ * Release under the terms of the GNU GENERAL PUBLIC LICENSE version 2.
+ * See the file COPYING.
+ */
+
+#ifndef _DRIVERS_BLOCK_MM_H
+#define _DRIVERS_BLOCK_MM_H
+
+
+#define IRQ_TIMEOUT (1 * HZ)
+
+/* CSR register definition */
+#define MEMCTRLSTATUS_MAGIC     0x00
+#define  MM_MAGIC_VALUE         (unsigned char)0x59
+
+#define MEMCTRLSTATUS_BATTERY   0x04
+#define  BATTERY_1_DISABLED     0x01
+#define  BATTERY_1_FAILURE      0x02
+#define  BATTERY_2_DISABLED     0x04
+#define  BATTERY_2_FAILURE      0x08
+
+#define MEMCTRLSTATUS_MEMORY    0x07
+#define  MEM_128_MB             0xfe
+#define  MEM_256_MB             0xfc
+#define  MEM_512_MB             0xf8
+#define  MEM_1_GB               0xf0
+#define  MEM_2_GB               0xe0
+
+#define MEMCTRLCMD_LEDCTRL      0x08
+#define  LED_REMOVE             2
+#define  LED_FAULT              4
+#define  LED_POWER              6
+#define  LED_FLIP               255
+#define  LED_OFF                0x00
+#define  LED_ON                 0x01
+#define  LED_FLASH_3_5          0x02
+#define  LED_FLASH_7_0          0x03
+#define  LED_POWER_ON           0x00
+#define  LED_POWER_OFF          0x01
+#define  USER_BIT1              0x01
+#define  USER_BIT2              0x02
+
+#define MEMORY_INITIALIZED      USER_BIT1
+
+#define MEMCTRLCMD_ERRCTRL      0x0C
+#define  EDC_NONE_DEFAULT       0x00
+#define  EDC_NONE               0x01
+#define  EDC_STORE_READ         0x02
+#define  EDC_STORE_CORRECT      0x03
+
+#define MEMCTRLCMD_ERRCNT       0x0D
+#define MEMCTRLCMD_ERRSTATUS    0x0E
+
+#define ERROR_DATA_LOG          0x20
+#define ERROR_ADDR_LOG          0x28
+#define ERROR_COUNT             0x3D
+#define ERROR_SYNDROME          0x3E
+#define ERROR_CHECK             0x3F
+
+#define DMA_PCI_ADDR            0x40
+#define DMA_LOCAL_ADDR          0x48
+#define DMA_TRANSFER_SIZE       0x50
+#define DMA_DESCRIPTOR_ADDR     0x58
+#define DMA_SEMAPHORE_ADDR      0x60
+#define DMA_STATUS_CTRL         0x68
+#define  DMASCR_GO              0x00001
+#define  DMASCR_TRANSFER_READ   0x00002
+#define  DMASCR_CHAIN_EN        0x00004
+#define  DMASCR_SEM_EN          0x00010
+#define  DMASCR_DMA_COMP_EN     0x00020
+#define  DMASCR_CHAIN_COMP_EN   0x00040
+#define  DMASCR_ERR_INT_EN      0x00080
+#define  DMASCR_PARITY_INT_EN   0x00100
+#define  DMASCR_ANY_ERR         0x00800
+#define  DMASCR_MBE_ERR         0x01000
+#define  DMASCR_PARITY_ERR_REP  0x02000
+#define  DMASCR_PARITY_ERR_DET  0x04000
+#define  DMASCR_SYSTEM_ERR_SIG  0x08000
+#define  DMASCR_TARGET_ABT      0x10000
+#define  DMASCR_MASTER_ABT      0x20000
+#define  DMASCR_DMA_COMPLETE    0x40000
+#define  DMASCR_CHAIN_COMPLETE  0x80000
+
+/* 
+3.SOME PCs HAVE HOST BRIDGES WHICH APPARENTLY DO NOT CORRECTLY HANDLE 
+READ-LINE (0xE) OR READ-MULTIPLE (0xC) PCI COMMAND CODES DURING DMA 
+TRANSFERS. IN OTHER SYSTEMS THESE COMMAND CODES WILL CAUSE THE HOST BRIDGE 
+TO ALLOW LONGER BURSTS DURING DMA READ OPERATIONS. THE UPPER FOUR BITS 
+(31..28) OF THE DMA CSR HAVE BEEN MADE PROGRAMMABLE, SO THAT EITHER A 0x6, 
+AN 0xE OR A 0xC CAN BE WRITTEN TO THEM TO SET THE COMMAND CODE USED DURING 
+DMA READ OPERATIONS.
+*/
+#define        DMASCR_READ   0x60000000
+#define        DMASCR_READLINE   0xE0000000
+#define        DMASCR_READMULTI   0xC0000000
+
+
+#define DMASCR_ERROR_MASK       (DMASCR_MASTER_ABT | DMASCR_TARGET_ABT | DMASCR_SYSTEM_ERR_SIG | DMASCR_PARITY_ERR_DET | DMASCR_MBE_ERR | DMASCR_ANY_ERR)
+#define DMASCR_HARD_ERROR       (DMASCR_MASTER_ABT | DMASCR_TARGET_ABT | DMASCR_SYSTEM_ERR_SIG | DMASCR_PARITY_ERR_DET | DMASCR_MBE_ERR)
+
+#define WINDOWMAP_WINNUM        0x7B
+
+#define DMA_READ_FROM_HOST 0
+#define DMA_WRITE_TO_HOST 1
+
+struct mm_dma_desc {
+        __le64  pci_addr;
+        __le64  local_addr;
+        __le32  transfer_size;
+        u32     zero1;
+        __le64  next_desc_addr;
+        __le64  sem_addr;
+        __le32  control_bits;
+        u32     zero2;
+
+        dma_addr_t data_dma_handle;
+
+        /* Copy of the bits */
+        __le64  sem_control_bits;
+} __attribute__((aligned(8)));
+
+#define PCI_VENDOR_ID_MICRO_MEMORY              0x1332
+#define PCI_DEVICE_ID_MICRO_MEMORY_5415CN       0x5415
+#define PCI_DEVICE_ID_MICRO_MEMORY_5425CN       0x5425
+#define PCI_DEVICE_ID_MICRO_MEMORY_6155         0x6155
+
+/* bits for card->flags */
+#define UM_FLAG_DMA_IN_REGS             1
+#define UM_FLAG_NO_BYTE_STATUS          2
+#define UM_FLAG_NO_BATTREG              4
+#define UM_FLAG_NO_BATT                 8
+#endif