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diff --git a/board/amirix/ap1000/powerspan.h b/board/amirix/ap1000/powerspan.h
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+/**
+ * @file powerspan.h Header file for PowerSpan II code.
+ */
+
+/*
+ * (C) Copyright 2005
+ * AMIRIX Systems Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef POWERSPAN_H
+#define POWERSPAN_H
+
+#define CLEAR_MASTER_ABORT 0xdeadbeef
+#define NO_DEVICE_FOUND -1
+#define ILLEGAL_REG_OFFSET -2
+#define I2C_BUSY -3
+#define I2C_ERR -4
+
+#define REG_P1_CSR 0x004
+#define REGS_P1_BST 0x018
+#define REG_P1_ERR_CSR 0x150
+#define REG_P1_MISC_CSR 0x160
+#define REGS_P1_TGT_CSR 0x100
+#define REGS_P1_TGT_TADDR 0x104
+#define REGS_PB_SLAVE_CSR 0x200
+#define REGS_PB_SLAVE_TADDR 0x204
+#define REGS_PB_SLAVE_BADDR 0x208
+#define REG_CONFIG_ADDRESS 0x290
+#define REG_CONFIG_DATA 0x294
+#define REG_PB_ERR_CSR 0x2B0
+#define REG_PB_MISC_CSR 0x2C0
+#define REG_MISC_CSR 0x400
+#define REG_I2C_CSR 0x408
+#define REG_RESET_CSR 0x40C
+#define REG_ISR0 0x410
+#define REG_ISR1 0x414
+#define REG_IER0 0x418
+#define REG_MBOX_MAP 0x420
+#define REG_HW_MAP 0x42C
+#define REG_IDR 0x444
+
+#define CSR_MEMORY_SPACE_ENABLE 0x00000002
+#define CSR_PCI_MASTER_ENABLE 0x00000004
+
+#define P1_BST_OFF 0x04
+
+#define PX_ERR_ERR_STATUS 0x01000000
+
+#define PX_MISC_CSR_MAX_RETRY_MASK 0x00000F00
+#define PX_MISC_CSR_MAX_RETRY 0x00000F00
+#define PX_MISC_REG_BAR_ENABLE 0x00008000
+#define PB_MISC_TEA_ENABLE 0x00000010
+#define PB_MISC_MAC_TEA 0x00000040
+
+#define P1_TGT_IMAGE_OFF 0x010
+#define PX_TGT_CSR_IMG_EN 0x80000000
+#define PX_TGT_CSR_TA_EN 0x40000000
+#define PX_TGT_CSR_BAR_EN 0x20000000
+#define PX_TGT_CSR_MD_EN 0x10000000
+#define PX_TGT_CSR_MODE 0x00800000
+#define PX_TGT_CSR_DEST 0x00400000
+#define PX_TGT_CSR_MEM_IO 0x00200000
+#define PX_TGT_CSR_GBL 0x00080000
+#define PX_TGT_CSR_CL 0x00040000
+#define PX_TGT_CSR_PRKEEP 0x00000080
+
+#define PX_TGT_CSR_BS_MASK 0x0F000000
+#define PX_TGT_MEM_IO 0x00200000
+#define PX_TGT_CSR_RTT_MASK 0x001F0000
+#define PX_TGT_CSR_RTT_READ 0x000A0000
+#define PX_TGT_CSR_WTT_MASK 0x00001F00
+#define PX_TGT_CSR_WTT_WFLUSH 0x00000200
+#define PX_TGT_CSR_END_MASK 0x00000060
+#define PX_TGT_CSR_BIG_END 0x00000040
+#define PX_TGT_CSR_TRUE_LEND 0x00000060
+#define PX_TGT_CSR_RDAMT_MASK 0x00000007
+
+#define PX_TGT_CSR_BS_64MB 0xa
+#define PX_TGT_CSR_BS_16MB 0x8
+
+#define PX_TGT_USE_MEM_IO 1
+#define PX_TGT_NOT_MEM_IO 0
+
+#define PB_SLAVE_IMAGE_OFF 0x010
+#define PB_SLAVE_CSR_IMG_EN 0x80000000
+#define PB_SLAVE_CSR_TA_EN 0x40000000
+#define PB_SLAVE_CSR_MD_EN 0x20000000
+#define PB_SLAVE_CSR_MODE 0x00800000
+#define PB_SLAVE_CSR_DEST 0x00400000
+#define PB_SLAVE_CSR_MEM_IO 0x00200000
+#define PB_SLAVE_CSR_PRKEEP 0x00000080
+
+#define PB_SLAVE_CSR_BS_MASK 0x1F000000
+#define PB_SLAVE_CSR_END_MASK 0x00000060
+#define PB_SLAVE_CSR_BIG_END 0x00000040
+#define PB_SLAVE_CSR_TRUE_LEND 0x00000060
+#define PB_SLAVE_CSR_RDAMT_MASK 0x00000007
+
+#define PB_SLAVE_USE_MEM_IO 1
+#define PB_SLAVE_NOT_MEM_IO 0
+
+
+#define MISC_CSR_PCI1_LOCK 0x00000080
+
+#define I2C_CSR_ADDR 0xFF000000 /* Specifies I2C Device Address to be Accessed */
+#define I2C_CSR_DATA 0x00FF0000 /* Specifies the Required Data for a Write */
+#define I2C_CSR_DEV_CODE 0x0000F000 /* Device Select. I2C 4-bit Device Code */
+#define I2C_CSR_CS 0x00000E00 /* Chip Select */
+#define I2C_CSR_RW 0x00000100 /* Read/Write */
+#define I2C_CSR_ACT 0x00000080 /* I2C Interface Active */
+#define I2C_CSR_ERR 0x00000040 /* Error */
+
+#define I2C_EEPROM_DEV 0xa
+#define I2C_EEPROM_CHIP_SEL 0
+
+#define I2C_READ 0
+#define I2C_WRITE 1
+
+#define RESET_CSR_EEPROM_LOAD 0x00000010
+
+#define ISR_CLEAR_ALL 0xFFFFFFFF
+
+#define IER0_DMA_INTS_EN 0x0F000000
+#define IER0_PCI_1_EN 0x00400000
+#define IER0_HW_INTS_EN 0x003F0000
+#define IER0_MB_INTS_EN 0x000000FF
+#define IER0_DEFAULT (IER0_DMA_INTS_EN | IER0_PCI_1_EN | IER0_HW_INTS_EN | IER0_MB_INTS_EN)
+
+#define MBOX_MAP_TO_INT4 0xCCCCCCCC
+
+#define HW_MAP_HW4_TO_INT4 0x000C0000
+
+#define IDR_PCI_A_OUT 0x40000000
+#define IDR_MBOX_OUT 0x10000000
+
+
+int pci_read_config_byte(int bus, int dev, int fn, int reg, unsigned char* val);
+int pci_write_config_byte(int bus, int dev, int fn, int reg, unsigned char val);
+int pci_read_config_word(int bus, int dev, int fn, int reg, unsigned short* val);
+int pci_write_config_word(int bus, int dev, int fn, int reg, unsigned short val);
+int pci_read_config_dword(int bus, int dev, int fn, int reg, unsigned long* val);
+int pci_write_config_dword(int bus, int dev, int fn, int reg, unsigned long val);
+
+unsigned int PowerSpanRead(unsigned int theOffset);
+void PowerSpanWrite(unsigned int theOffset, unsigned int theValue);
+
+int I2CAccess(unsigned char theI2CAddress, unsigned char theDevCode, unsigned char theChipSel, unsigned char* theValue, int RWFlag);
+
+int PCIWriteConfig(int bus, int dev, int fn, int reg, int width, unsigned long val);
+int PCIReadConfig(int bus, int dev, int fn, int reg, int width, unsigned long* val);
+
+int SetSlaveImage(int theImageIndex, unsigned int theBlockSize, int theMemIOFlag, int theEndianness, unsigned int theLocalBaseAddr, unsigned int thePCIBaseAddr);
+int SetTargetImage(int theImageIndex, unsigned int theBlockSize, int theMemIOFlag, int theEndianness, unsigned int theLocalBaseAddr, unsigned int thePCIBaseAddr);
+
+#endif