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#ifndef CYGONCE_HAL_EBSA285_H

#define CYGONCE_HAL_EBSA285_H

/*=============================================================================

//

//      hal_ebsa285.h

//

//      HAL Description of SA-110 and 21285 control registers

//      and ARM memory control in general.

//

//=============================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

//

// eCos 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 or (at your option) any later version.

//

// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

//

// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

// with other works to produce a work based on this file, this file does not

// by itself cause the resulting work to be covered by the GNU General Public

// License. However the source code for this file must still be made available

// in accordance with section (3) of the GNU General Public License.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

// -------------------------------------------

//####ECOSGPLCOPYRIGHTEND####

//=============================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    hmt

// Contributors: hmt

// Date:         1999-04-19

// Purpose:      Intel EBSA285 hardware description

// Description:

// Usage:        #include <cyg/hal/hal_ebsa285.h>

//

//####DESCRIPTIONEND####

//

//===========================================================================*/

// Note: these defintions match the documentation, thus no attempt is made

// to santise (mangle) the names against namespace pollution.  Also, care should be

// taken to keep this clean for use in assembly code (no "C" constructs).

#define SZ_1K           0x00000400

#define SZ_2K           0x00000800

#define SZ_4K           0x00001000

#define SZ_8K           0x00002000

#define SZ_16K          0x00004000

#define SZ_32K          0x00008000

#define SZ_64K          0x00010000

#define SZ_128K         0x00020000

#define SZ_256K         0x00040000

#define SZ_512K         0x00080000

#define SZ_1M           0x00100000

#define SZ_2M           0x00200000

#define SZ_4M           0x00400000

#define SZ_8M           0x00800000

#define SZ_16M          0x01000000

#define SZ_32M          0x02000000

#define SZ_64M          0x04000000

#define SZ_128M         0x08000000

#define SZ_256M         0x10000000

#define SZ_512M         0x20000000

#define SZ_1G           0x40000000

#ifdef __ASSEMBLER__

#define REG8_VAL(a)  (a)

#define REG16_VAL(a) (a)

#define REG32_VAL(a) (a)

#define REG8_PTR(a)  (a)

#define REG16_PTR(a) (a)

#define REG32_PTR(a) (a)

#else /* __ASSEMBLER__ */

#define REG8_VAL(a)  ((unsigned char)(a))

#define REG16_VAL(a) ((unsigned short)(a))

#define REG32_VAL(a) ((unsigned int)(a))

#define REG8_PTR(a)  ((volatile unsigned char *)(a))

#define REG16_PTR(a) ((volatile unsigned long *)(a))

#define REG32_PTR(a) ((volatile unsigned long *)(a))

#endif /* __ASSEMBLER__ */

//

// Memory Layout

//

#define EBSA285_RAM_BANK0_BASE 0x00000000

/*

 * SA-110 Cache and MMU Control Registers

 *

 * Accessed through coprocessor instructions.

 */

#define SA110_ID_REGISTER                        0

#define SA110_CONTROL_REGISTER                   1

#define SA110_TRANSLATION_TABLE_BASE_REGISTER    2

#define SA110_DOMAIN_ACCESS_CONTROL_REGISTER     3

#define SA110_FAULT_STATUS_REGISTER              5

#define SA110_FAULT_ADDRESS_REGISTER             6

#define SA110_CACHE_OPERATIONS_REGISTER          7

#define SA110_TLB_OPERATIONS_REGISTER            8

#define SA110_TEST_CLOCK_AND_IDLE_REGISTER       15

/*

 * SA-110 Cache and MMU Definitions

 */

#define SA110_ICACHE_SIZE                       SZ_16K

#define SA110_DCACHE_SIZE                       SZ_16K

#define SA110_ICACHE_LINESIZE_BYTES             32

#define SA110_DCACHE_LINESIZE_BYTES             32

#define SA110_ICACHE_LINESIZE_WORDS             8

#define SA110_DCACHE_LINESIZE_WORDS             8

#define SA110_ICACHE_WAYS                       32

#define SA110_DCACHE_WAYS                       32

#define SA110_ICACHE_LINE_BASE(p)               REG32_PTR((unsigned long)(p) & \

                                                           ~(SA110_ICACHE_LINESIZE_BYTES - 1))

#define SA110_DCACHE_LINE_BASE(p)               REG32_PTR((unsigned long)(p) & \

                                                           ~(SA110_DCACHE_LINESIZE_BYTES - 1))

#define SA110_ZEROS_BANK_BASE                  (0x50000000)

#define ARM_FIRST_LEVEL_PAGE_TABLE_SIZE         SZ_16K

/*

 * SA-110 Cache and MMU ID Register value

 */

#define SA110_ID_MASK                            0xFFFFFFF0

#define SA110_ID_VALUE                           0x4401a100

/*

 * SA-110 Cache Control Register Bit Fields and Masks

 */

#define SA110_MMU_DISABLED                       0x00000000

#define SA110_MMU_ENABLED                        0x00000001

#define SA110_MMU_MASK                           0x00000001

#define SA110_ADDRESS_FAULT_DISABLED             0x00000000

#define SA110_ADDRESS_FAULT_ENABLED              0x00000002

#define SA110_ADDRESS_FAULT_MASK                 0x00000002

#define SA110_DATA_CACHE_DISABLED                0x00000000

#define SA110_DATA_CACHE_ENABLED                 0x00000004

#define SA110_DATA_CACHE_MASK                    0x00000004

#define SA110_WRITE_BUFFER_DISABLED              0x00000000

#define SA110_WRITE_BUFFER_ENABLED               0x00000008

#define SA110_WRITE_BUFFER_MASK                  0x00000008

#define SA110_LITTLE_ENDIAN                      0x00000000

#define SA110_BIG_ENDIAN                         0x00000080

#define SA110_ACCESS_CHECKS_SYSTEM               0x00000100

#define SA110_ACCESS_CHECKS_ROM                  0x00000200

#define SA110_INSTRUCTION_CACHE_DISABLED         0x00000000

#define SA110_INSTRUCTION_CACHE_ENABLED          0x00001000

#define SA110_INSTRUCTION_CACHE_MASK             0x00001000

/*

 * SA-110 Translation Table Base Bit Masks

 */

#define SA110_TRANSLATION_TABLE_MASK             0xFFFFC000

/*

 * SA-110 Domain Access Control Bit Masks

 */

#define SA110_DOMAIN_0_MASK                      0x00000003

#define SA110_DOMAIN_1_MASK                      0x0000000C

#define SA110_DOMAIN_2_MASK                      0x00000030

#define SA110_DOMAIN_3_MASK                      0x000000C0

#define SA110_DOMAIN_4_MASK                      0x00000300

#define SA110_DOMAIN_5_MASK                      0x00000C00

#define SA110_DOMAIN_6_MASK                      0x00003000

#define SA110_DOMAIN_7_MASK                      0x0000C000

#define SA110_DOMAIN_8_MASK                      0x00030000

#define SA110_DOMAIN_9_MASK                      0x000C0000

#define SA110_DOMAIN_10_MASK                     0x00300000

#define SA110_DOMAIN_11_MASK                     0x00C00000

#define SA110_DOMAIN_12_MASK                     0x03000000

#define SA110_DOMAIN_13_MASK                     0x0C000000

#define SA110_DOMAIN_14_MASK                     0x30000000

#define SA110_DOMAIN_15_MASK                     0xC0000000

/*

 * SA-110 Fault Status Bit Masks

 */

#define SA110_FAULT_STATUS_MASK                  0x0000000F

#define SA110_DOMAIN_MASK                        0x000000F0

/*

 * SA-110 Cache Control Operations Definitions

 */

#define SA110_FLUSH_CACHE_INST_DATA_OPCODE       0x0

#define SA110_FLUSH_CACHE_INST_DATA_RM           0x7

#define SA110_FLUSH_CACHE_INST_OPCODE            0x0

#define SA110_FLUSH_CACHE_INST_RM                0x5

#define SA110_FLUSH_CACHE_DATA_OPCODE            0x0

#define SA110_FLUSH_CACHE_DATA_RM                0x6

#define SA110_FLUSH_CACHE_DATA_SINGLE_OPCODE     0x1

#define SA110_FLUSH_CACHE_DATA_SINGLE_RM         0x6

#define SA110_CLEAN_CACHE_DATA_ENTRY_OPCODE      0x1

#define SA110_CLEAN_CACHE_DATA_ENTRY_RM          0xA

#define SA110_DRAIN_CACHE_WRITE_BUFFER_OPCODE    0x4

#define SA110_DRAIN_CACHE_WRITE_BUFFER_RM        0xA

/*

 * SA-110 TLB Operations Definitions

 */

#define SA110_FLUSH_INST_DATA_TLB_OPCODE         0x0

#define SA110_FLUSH_INST_DATA_TLB_RM             0x7

#define SA110_FLUSH_INST_TLB_OPCODE              0x0

#define SA110_FLUSH_INST_TLB_RM                  0x5

#define SA110_FLUSH_DATA_TLB_OPCODE              0x0

#define SA110_FLUSH_DATA_TLB_RM                  0x6

#define SA110_FLUSH_DATA_ENTRY_TLB_OPCODE        0x1

#define SA110_FLUSH_DATA_ENTRY_TLB_RM            0x6

/*

 * SA-110 Test, Clock and Idle Control Definition

 */

#define SA110_ICACHE_ODD_WORD_LOADING_OPCODE     0x1

#define SA110_ICACHE_ODD_WORD_LOADING_RM         0x1

#define SA110_ICACHE_EVEN_WORD_LOADING_OPCODE    0x1

#define SA110_ICACHE_EVEN_WORD_LOADING_RM        0x2

#define SA110_ICACHE_CLEAR_LFSR_OPCODE           0x1

#define SA110_ICACHE_CLEAR_LFSR_RM               0x4

#define SA110_ENABLE_CLOCK_SWITCHING_OPCODE      0x2

#define SA110_ENABLE_CLOCK_SWITCHING_RM          0x1

#define SA110_DISABLE_CLOCK_SWITCHING_OPCODE     0x2

#define SA110_DISABLE_CLOCK_SWITCHING_RM         0x2

#define SA110_DISABLE_mCLK_OUTPUT_OPCODE         0x2

#define SA110_DISABLE_mCLK_OUTPUT_RM             0x4

#define SA110_WAIT_FOR_INTERRUPT_OPCODE          0x2

#define SA110_WAIT_FOR_INTERRUPT_RM              0x8

/*

 * SA-110 Control and Status Register Base Definitions

 */

#define SA110_CONTROL_STATUS_BASE                0x42000000

#define SA110_REGISTER(x)                        REG32_PTR(SA110_CONTROL_STATUS_BASE + (x))

#define SA110_PCI_CONFIG0_BASE                   0x7b000000

#define SA110_PCI_CONFIG1_BASE                   0x7a000000

/*

 * These are standard PCI configuration offsets with base at

 * SA110_CONTROL_STATUS_BASE - a memory-mapped version of the board's

 * own PCI configuration registers.

 * (see io_pci_cfg.h for other registers)

 */

#define SA110_PCI_CFG_COMMAND_o                 0x04

#define SA110_PCI_CFG_INT_LINE_o                0x3c

#define SA110_PCI_CFG_CSR_MEM_BAR_o             0x10 // BAR[0]

#define SA110_PCI_CFG_CSR_IO_BAR_o              0x14 // BAR[1]

#define SA110_PCI_CFG_SDRAM_BAR_o               0x18 // BAR[2]

#define SA110_PCI_CFG_COMMAND       SA110_REGISTER(SA110_PCI_CFG_COMMAND_o)

#define SA110_PCI_CFG_INT_LINE      SA110_REGISTER(SA110_PCI_CFG_INT_LINE_o)

#define SA110_PCI_CFG_CSR_MEM_BAR   SA110_REGISTER(SA110_PCI_CFG_CSR_MEM_BAR_o)

#define SA110_PCI_CFG_CSR_IO_BAR    SA110_REGISTER(SA110_PCI_CFG_CSR_IO_BAR_o) 

#define SA110_PCI_CFG_SDRAM_BAR     SA110_REGISTER(SA110_PCI_CFG_SDRAM_BAR_o)

/*

 * These live in the same space as the PCI config registers, but

 * are specific to the 21285.

 */

#define SA110_OUT_INT_STATUS_o                  0x30

#define SA110_OUT_INT_MASK_o                    0x34

#define SA110_INBOUND_FIFO_o                    0x40

#define SA110_OUTBOUND_FIFO_o                   0x44

#define SA110_MAILBOX0_o                        0x50

#define SA110_MAILBOX1_o                        0x54

#define SA110_MAILBOX2_o                        0x58

#define SA110_MAILBOX3_o                        0x5C

#define SA110_DOORBELL_o                        0x60

#define SA110_DOORBELL_SETUP_o                  0x64

#define SA110_OUT_INT_STATUS                    SA110_REGISTER(SA110_OUT_INT_STATUS_o)

#define SA110_PCI_ADDR_EXT_o                    0x140

#define SA110_DOORBELL_PCI_MASK_o               0x150

#define SA110_DOORBELL_SA_MASK_o                0x154

#define SA110_PCI_ADDR_EXT                      SA110_REGISTER(SA110_PCI_ADDR_EXT_o)

#define SA110_DOORBELL_PCI_MASK                 SA110_REGISTER(SA110_DOORBELL_PCI_MASK_o)

#define SA110_DOORBELL_SA_MASK                  SA110_REGISTER(SA110_DOORBELL_SA_MASK_o)

#define SA110_OUT_INT_STATUS_DOORBELL_INT     0x4

#define SA110_OUT_INT_STATUS_OUTBOUND_INT     0x8

/*

 * SA-110 CSR Register Definitions

 */

#define SA110_CSR_BASE_ADDRESS_MASK_o            0xF8

#define SA110_CSR_BASE_ADDRESS_OFFSET_o          0xFC

#define SA110_CSR_BASE_ADDRESS_MASK              SA110_REGISTER(SA110_CSR_BASE_ADDRESS_MASK_o)

#define SA110_CSR_BASE_ADDRESS_OFFSET            SA110_REGISTER(SA110_CSR_BASE_ADDRESS_OFFSET_o)

/*

 * SA-110 CSR Register Value Definitions

 */

#define SA110_CSR_WINDOW_SIZE_128                0x00000000

#define SA110_CSR_WINDOW_SIZE_512KB              0x00040000

#define SA110_CSR_WINDOW_SIZE_1MB                0x000C0000

#define SA110_CSR_WINDOW_SIZE_2MB                0x001C0000

#define SA110_CSR_WINDOW_SIZE_4MB                0x003C0000

#define SA110_CSR_WINDOW_SIZE_8MB                0x007C0000

#define SA110_CSR_WINDOW_SIZE_16MB               0x00FC0000

#define SA110_CSR_WINDOW_SIZE_32MB               0x01FC0000

#define SA110_CSR_WINDOW_SIZE_64MB               0x03FC0000

#define SA110_CSR_WINDOW_SIZE_128MB              0x07FC0000

#define SA110_CSR_WINDOW_SIZE_256MB              0x0FFC0000

/*

 * SA-110 SDRAM Register Definitions

 */

#define SA110_SDRAM_ARRAY_0_MODE_REGISTER_BASE   REG32_PTR(0x40000000)

#define SA110_SDRAM_ARRAY_1_MODE_REGISTER_BASE   REG32_PTR(0x40004000)

#define SA110_SDRAM_ARRAY_2_MODE_REGISTER_BASE   REG32_PTR(0x40008000)

#define SA110_SDRAM_ARRAY_3_MODE_REGISTER_BASE   REG32_PTR(0x4000C000)

#define SA110_SDRAM_BASE_ADDRESS_MASK_o          0x100

#define SA110_SDRAM_BASE_ADDRESS_OFFSET_o        0x104

#define SA110_EXP_ROM_BASE_ADDRESS_MASK_o        0x108

#define SA110_SDRAM_TIMING_o                     0x10C

#define SA110_SDRAM_ADDRESS_SIZE_ARRAY_0_o       0x110

#define SA110_SDRAM_ADDRESS_SIZE_ARRAY_1_o       0x114

#define SA110_SDRAM_ADDRESS_SIZE_ARRAY_2_o       0x118

#define SA110_SDRAM_ADDRESS_SIZE_ARRAY_3_o       0x11C

#define SA110_SDRAM_BASE_ADDRESS_MASK            SA110_REGISTER(SA110_SDRAM_BASE_ADDRESS_MASK_o)

#define SA110_SDRAM_BASE_ADDRESS_OFFSET          SA110_REGISTER(SA110_SDRAM_BASE_ADDRESS_OFFSET_o)

#define SA110_EXP_ROM_BASE_ADDRESS_MASK          SA110_REGISTER(SA110_EXP_ROM_BASE_ADDRESS_MASK_o)

#define SA110_SDRAM_TIMING                       SA110_REGISTER(SA110_SDRAM_TIMING_o)

#define SA110_SDRAM_ADDRESS_SIZE_ARRAY_0         SA110_REGISTER(SA110_SDRAM_ADDRESS_SIZE_ARRAY_0_o)

#define SA110_SDRAM_ADDRESS_SIZE_ARRAY_1         SA110_REGISTER(SA110_SDRAM_ADDRESS_SIZE_ARRAY_1_o)

#define SA110_SDRAM_ADDRESS_SIZE_ARRAY_2         SA110_REGISTER(SA110_SDRAM_ADDRESS_SIZE_ARRAY_2_o)

#define SA110_SDRAM_ADDRESS_SIZE_ARRAY_3         SA110_REGISTER(SA110_SDRAM_ADDRESS_SIZE_ARRAY_3_o)

#define SA110_SDRAM_SIZE_1M                     1

#define SA110_SDRAM_SIZE_2M                     2

#define SA110_SDRAM_SIZE_4M                     3

#define SA110_SDRAM_SIZE_8M                     4

#define SA110_SDRAM_SIZE_16M                    5

#define SA110_SDRAM_SIZE_32M                    6

#define SA110_SDRAM_SIZE_64M                    7

#define SA110_SDRAM_MUX_MODE0                   0x00

#define SA110_SDRAM_MUX_MODE1                   0x10

#define SA110_SDRAM_MUX_MODE2                   0x20

#define SA110_SDRAM_MUX_MODE3                   0x30

#define SA110_SDRAM_MUX_MODE4                   0x40

#define SA110_SDRAM_MUX_MODE_MASK               0x70

/*

 * SA-110 SDRAM Configuration Value Definitions

 */

#define SA110_SDRAM_WINDOW_SIZE_256KB            0x00000000

#define SA110_SDRAM_WINDOW_SIZE_512KB            0x00040000

#define SA110_SDRAM_WINDOW_SIZE_1MB              0x000C0000

#define SA110_SDRAM_WINDOW_SIZE_2MB              0x001C0000

#define SA110_SDRAM_WINDOW_SIZE_4MB              0x003C0000

#define SA110_SDRAM_WINDOW_SIZE_8MB              0x007C0000

#define SA110_SDRAM_WINDOW_SIZE_16MB             0x00FC0000

#define SA110_SDRAM_WINDOW_SIZE_32MB             0x01FC0000

#define SA110_SDRAM_WINDOW_SIZE_64MB             0x03FC0000

#define SA110_SDRAM_WINDOW_SIZE_128MB            0x07FC0000

#define SA110_SDRAM_WINDOW_SIZE_256MB            0x0FFC0000

#define SA110_SDRAM_WINDOW_SIZE_NO_WINDOW        0x8FFC0000

/*

 * SA-110 Expansion ROM Configuration Value Definitions

 */

#define SA110_EXP_ROM_WINDOW_SIZE_1MB            0x00000000

#define SA110_EXP_ROM_WINDOW_SIZE_2MB            0x00100000

#define SA110_EXP_ROM_WINDOW_SIZE_4MB            0x00300000

#define SA110_EXP_ROM_WINDOW_SIZE_8MB            0x00700000

#define SA110_EXP_ROM_WINDOW_SIZE_16MB           0x00F00000

#define SA110_EXP_ROM_WINDOW_SIZE_NO_WINDOW      0x80F00000

/*

 * SA-110 SDRAM Timing Register Field Definitions

 */

#define SA110_SDRAM_ROW_PRECHARGE_1_CYCLE        0x00000000

#define SA110_SDRAM_ROW_PRECHARGE_2_CYCLES       0x00000001

#define SA110_SDRAM_ROW_PRECHARGE_3_CYCLES       0x00000002

#define SA110_SDRAM_ROW_PRECHARGE_4_CYCLES       0x00000003

#define SA110_SDRAM_LAST_DATA_IN_2_CYCLES        0x00000000

#define SA110_SDRAM_LAST_DATA_IN_3_CYCLES        0x00000004

#define SA110_SDRAM_LAST_DATA_IN_4_CYCLES        0x00000008

#define SA110_SDRAM_LAST_DATA_IN_5_CYCLES        0x0000000C

#define SA110_SDRAM_RAS_TO_CAS_DELAY_2_CYCLES    0x00000020

#define SA110_SDRAM_RAS_TO_CAS_DELAY_3_CYCLES    0x00000030

#define SA110_SDRAM_CAS_LATENCY_2_CYCLES         0x00000080

#define SA110_SDRAM_CAS_LATENCY_3_CYCLES         0x000000C0

#define SA110_SDRAM_ROW_CYCLE_TIME_4_CYCLES      0x00000100

#define SA110_SDRAM_ROW_CYCLE_TIME_5_CYCLES      0x00000200

#define SA110_SDRAM_ROW_CYCLE_TIME_6_CYCLES      0x00000300

#define SA110_SDRAM_ROW_CYCLE_TIME_7_CYCLES      0x00000400

#define SA110_SDRAM_ROW_CYCLE_TIME_8_CYCLES      0x00000500

#define SA110_SDRAM_ROW_CYCLE_TIME_9_CYCLES      0x00000600

#define SA110_SDRAM_ROW_CYCLE_TIME_10_CYCLES     0x00000700

#define SA110_SDRAM_COMMAND_DRIVE_SAME_CYCLE     0x00000000

#define SA110_SDRAM_COMMAND_DRIVE_1_CYCLE        0x00000800

#define SA110_SDRAM_PARITY_DISABLED              0x00000000

#define SA110_SDRAM_PARITY_ENABLED               0x00001000

#define SA110_SDRAM_PARITY_MASK                  0x00001000

#define SA110_SDRAM_SA110_PRIME_DISABLED         0x00000000

#define SA110_SDRAM_SA110_PRIME_ENABLED          0x00002000

#define SA110_SDRAM_SA110_PRIME_MASK             0x00002000

#define SA110_SDRAM_REFRESH_INTERVAL(x)          (((x) << 16) & 0x003f0000)

#define SA110_SDRAM_REFRESH_INTERVAL_MIN         SA110_SDRAM_REFRESH_INTERVAL(1)

#define SA110_SDRAM_REFRESH_INTERVAL_NORMAL      SA110_SDRAM_REFRESH_INTERVAL(0x1A)

/*

 * SA-110 SDRAM Address and Size Register Field Definitions

 */

#define SA110_SDRAM_SIZE_0                       0x000000000

#define SA110_SDRAM_SIZE_1MB                     0x000000001

#define SA110_SDRAM_SIZE_2MB                     0x000000002

#define SA110_SDRAM_SIZE_4MB                     0x000000003

#define SA110_SDRAM_SIZE_8MB                     0x000000004

#define SA110_SDRAM_SIZE_16MB                    0x000000005

#define SA110_SDRAM_SIZE_32MB                    0x000000006

#define SA110_SDRAM_SIZE_64MB                    0x000000007

#define SA110_SDRAM_ADDRESS_MULTIPLEX_MASK       0x000000070

#define SA110_SDRAM_ARRAY_BASE_MASK              0x00FF00000

/*

 * SA-110 Control Register.

 */

#define SA110_CONTROL_o                          0x13C

#define SA110_CONTROL                            SA110_REGISTER(SA110_CONTROL_o)

/*

 * Control bits.

 */

#define SA110_CONTROL_INIT_COMPLETE     0x00000001

#define SA110_CONTROL_RST_I             0x00000200

#define SA110_CONTROL_WATCHDOG          0x00002000

#define SA110_CONTROL_CFN               0x80000000

/*

 * SA-110 UART Control/Configuration Registers.

 */

#define SA110_UART_DATA_REGISTER_o               0x160

#define SA110_UART_RXSTAT_o                      0x164

#define SA110_UART_H_BAUD_CONTROL_o              0x168

#define SA110_UART_M_BAUD_CONTROL_o              0x16C

#define SA110_UART_L_BAUD_CONTROL_o              0x170

#define SA110_UART_CONTROL_REGISTER_o            0x174

#define SA110_UART_FLAG_REGISTER_o               0x178

#define SA110_UART_DATA_REGISTER                 SA110_REGISTER(SA110_UART_DATA_REGISTER_o)

#define SA110_UART_RXSTAT                        SA110_REGISTER(SA110_UART_RXSTAT_o)

#define SA110_UART_H_BAUD_CONTROL                SA110_REGISTER(SA110_UART_H_BAUD_CONTROL_o)

#define SA110_UART_M_BAUD_CONTROL                SA110_REGISTER(SA110_UART_M_BAUD_CONTROL_o)

#define SA110_UART_L_BAUD_CONTROL                SA110_REGISTER(SA110_UART_L_BAUD_CONTROL_o)

#define SA110_UART_CONTROL_REGISTER              SA110_REGISTER(SA110_UART_CONTROL_REGISTER_o)

#define SA110_UART_FLAG_REGISTER                 SA110_REGISTER(SA110_UART_FLAG_REGISTER_o)

#define UART_BASE_0                              SA110_UART_DATA_REGISTER

/*

 * SA-110 UART Data Register bit masks

 */

#define SA110_UART_DATA_MASK                     0x000000FF

/*

 * SA-110 UART RX Status Register bit masks

 */

#define SA110_UART_FRAMING_ERROR_MASK            0x00000001

#define SA110_UART_PARITY_ERROR_MASK             0x00000002

#define SA110_UART_OVERRUN_ERROR_MASK            0x00000004

/*

 * SA-110 UART High Baud Control Register bit masks

 */

#define SA110_UART_BREAK_DISABLED                0x00000000

#define SA110_UART_BREAK_ENABLED                 0x00000001

#define SA110_UART_BREAK_MASK                    0x00000001

#define SA110_UART_PARITY_DISABLED               0x00000000

#define SA110_UART_PARITY_ENABLED                0x00000002

#define SA110_UART_PARITY_MASK                   0x00000002

#define SA110_UART_PARITY_ODD                    0x00000000

#define SA110_UART_PARITY_EVEN                   0x00000004

#define SA110_UART_ODD_EVEN_SELECT_MASK          0x00000004

#define SA110_UART_STOP_BITS_ONE                 0x00000000

#define SA110_UART_STOP_BITS_TWO                 0x00000008

#define SA110_UART_STOP_BITS_SELECT_MASK         0x00000008

#define SA110_UART_FIFO_DISABLED                 0x00000000

#define SA110_UART_FIFO_ENABLED                  0x00000010

#define SA110_UART_FIFO_ENABLE_MASK              0x00000010

#define SA110_UART_DATA_LENGTH_5_BITS            0x00000000

#define SA110_UART_DATA_LENGTH_6_BITS            0x00000020

#define SA110_UART_DATA_LENGTH_7_BITS            0x00000040

#define SA110_UART_DATA_LENGTH_8_BITS            0x00000060

#define SA110_UART_DATA_LENGTH_MASK              0x00000060

/*

 * SA-110 UART Medium Baud Control Register bit masks

 */

#define SA110_UART_H_BAUD_RATE_DIVISOR_MASK      0x0000000F

/*

 * SA-110 UART Low Baud Control Register bit masks

 */

#define SA110_UART_L_BAUD_RATE_DIVISOR_MASK      0x000000FF

/*

 * SA-110 UART Control Register bit fields

 */

#define SA110_UART_DISABLED                      0x00000000

#define SA110_UART_ENABLED                       0x00000001

#define SA110_UART_ENABLE_MASK                   0x00000001

#define SA110_SIR_DISABLED                       0x00000000

#define SA110_SIR_ENABLED                        0x00000002

#define SA110_SIR_ENABLE_MASK                    0x00000002

#define SA110_SIR_PULSE_WIDTH_BIT_RATE           0x00000000

#define SA110_SIR_PULSE_WIDTH_MAX_CLK            0x00000004

/*

 * SA-110 UART Flag Register bit masks

 */

#define SA110_TX_IDLE                            0x00000000

#define SA110_TX_BUSY                            0x00000008

#define SA110_TX_BUSY_MASK                       0x00000008

#define SA110_RX_FIFO_FULL                       0x00000000

#define SA110_RX_FIFO_EMPTY                      0x00000010

#define SA110_RX_FIFO_STATUS_MASK                0x00000010

#define SA110_TX_FIFO_READY                      0x00000000

#define SA110_TX_FIFO_BUSY                       0x00000020

#define SA110_TX_FIFO_STATUS_MASK                0x00000020

/*

 * SA-110 IRQ Controller Registers

 */

#define SA110_IRQCONT_IRQSTATUS_o                0x180

#define SA110_IRQCONT_IRQRAWSTATUS_o             0x184

#define SA110_IRQCONT_IRQENABLE_o                0x188

#define SA110_IRQCONT_IRQENABLESET_o             0x188

#define SA110_IRQCONT_IRQENABLECLEAR_o           0x18C

#define SA110_IRQCONT_IRQSOFT_o                  0x190

#define SA110_IRQCONT_FIQSTATUS_o                0x280

#define SA110_IRQCONT_FIQRAWSTATUS_o             0x284

#define SA110_IRQCONT_FIQENABLE_o                0x288

#define SA110_IRQCONT_FIQENABLESET_o             0x288

#define SA110_IRQCONT_FIQENABLECLEAR_o           0x28C

#define SA110_IRQCONT_FIQSOFT_o                  0x290

#define SA110_IRQCONT_IRQSTATUS                  SA110_REGISTER(SA110_IRQCONT_IRQSTATUS_o)

#define SA110_IRQCONT_IRQRAWSTATUS               SA110_REGISTER(SA110_IRQCONT_IRQRAWSTATUS_o)

#define SA110_IRQCONT_IRQENABLE                  SA110_REGISTER(SA110_IRQCONT_IRQENABLE_o)

#define SA110_IRQCONT_IRQENABLESET               SA110_REGISTER(SA110_IRQCONT_IRQENABLESET_o)

#define SA110_IRQCONT_IRQENABLECLEAR             SA110_REGISTER(SA110_IRQCONT_IRQENABLECLEAR_o)

#define SA110_IRQCONT_IRQSOFT                    SA110_REGISTER(SA110_IRQCONT_IRQSOFT_o)

#define SA110_IRQCONT_FIQSTATUS                  SA110_REGISTER(SA110_IRQCONT_FIQSTATUS_o)

#define SA110_IRQCONT_FIQRAWSTATUS               SA110_REGISTER(SA110_IRQCONT_FIQRAWSTATUS_o)

#define SA110_IRQCONT_FIQENABLE                  SA110_REGISTER(SA110_IRQCONT_FIQENABLE_o)

#define SA110_IRQCONT_FIQENABLESET               SA110_REGISTER(SA110_IRQCONT_FIQENABLESET_o)

#define SA110_IRQCONT_FIQENABLECLEAR             SA110_REGISTER(SA110_IRQCONT_FIQENABLECLEAR_o)

#define SA110_IRQCONT_FIQSOFT                    SA110_REGISTER(SA110_IRQCONT_FIQSOFT_o)

/*

 * SA-110 Timer Control Registers

 */

#define SA110_TIMER_BASE_o                       0x300

#define SA110_TIMER1_BASE_o                      (SA110_TIMER_BASE_o + 0x00)

#define SA110_TIMER2_BASE_o                      (SA110_TIMER_BASE_o + 0x20)

#define SA110_TIMER3_BASE_o                      (SA110_TIMER_BASE_o + 0x40)

#define SA110_TIMER4_BASE_o                      (SA110_TIMER_BASE_o + 0x60)

#define SA110_TIMER1_LOAD_o                      (SA110_TIMER1_BASE_o + 0x0)

#define SA110_TIMER1_VALUE_o                     (SA110_TIMER1_BASE_o + 0x4)

#define SA110_TIMER1_CONTROL_o                   (SA110_TIMER1_BASE_o + 0x8)

#define SA110_TIMER1_CLEAR_o                     (SA110_TIMER1_BASE_o + 0xc)

#define SA110_TIMER2_LOAD_o                      (SA110_TIMER2_BASE_o + 0x0)

#define SA110_TIMER2_VALUE_o                     (SA110_TIMER2_BASE_o + 0x4)

#define SA110_TIMER2_CONTROL_o                   (SA110_TIMER2_BASE_o + 0x8)

#define SA110_TIMER2_CLEAR_o                     (SA110_TIMER2_BASE_o + 0xc)

#define SA110_TIMER3_LOAD_o                      (SA110_TIMER3_BASE_o + 0x0)

#define SA110_TIMER3_VALUE_o                     (SA110_TIMER3_BASE_o + 0x4)

#define SA110_TIMER3_CONTROL_o                   (SA110_TIMER3_BASE_o + 0x8)

#define SA110_TIMER3_CLEAR_o                     (SA110_TIMER3_BASE_o + 0xc)

#define SA110_TIMER4_LOAD_o                      (SA110_TIMER4_BASE_o + 0x0)

#define SA110_TIMER4_VALUE_o                     (SA110_TIMER4_BASE_o + 0x4)

#define SA110_TIMER4_CONTROL_o                   (SA110_TIMER4_BASE_o + 0x8)

#define SA110_TIMER4_CLEAR_o                     (SA110_TIMER4_BASE_o + 0xc)

#define SA110_TIMER1_LOAD                        SA110_REGISTER(SA110_TIMER1_LOAD_o)

#define SA110_TIMER1_VALUE                       SA110_REGISTER(SA110_TIMER1_VALUE_o)

#define SA110_TIMER1_CONTROL                     SA110_REGISTER(SA110_TIMER1_CONTROL_o)

#define SA110_TIMER1_CLEAR                       SA110_REGISTER(SA110_TIMER1_CLEAR_o)

#define SA110_TIMER2_LOAD                        SA110_REGISTER(SA110_TIMER2_LOAD_o)

#define SA110_TIMER2_VALUE                       SA110_REGISTER(SA110_TIMER2_VALUE_o)

#define SA110_TIMER2_CONTROL                     SA110_REGISTER(SA110_TIMER2_CONTROL_o)

#define SA110_TIMER2_CLEAR                       SA110_REGISTER(SA110_TIMER2_CLEAR_o)

#define SA110_TIMER3_LOAD                        SA110_REGISTER(SA110_TIMER3_LOAD_o)

#define SA110_TIMER3_VALUE                       SA110_REGISTER(SA110_TIMER3_VALUE_o)

#define SA110_TIMER3_CONTROL                     SA110_REGISTER(SA110_TIMER3_CONTROL_o)

#define SA110_TIMER3_CLEAR                       SA110_REGISTER(SA110_TIMER3_CLEAR_o)

#define SA110_TIMER4_LOAD                        SA110_REGISTER(SA110_TIMER4_LOAD_o)

#define SA110_TIMER4_VALUE                       SA110_REGISTER(SA110_TIMER4_VALUE_o)

#define SA110_TIMER4_CONTROL                     SA110_REGISTER(SA110_TIMER4_CONTROL_o)

#define SA110_TIMER4_CLEAR                       SA110_REGISTER(SA110_TIMER4_CLEAR_o)

/* Timer bits */

#define SA110_TIMER_CONTROL_SCALE_1              0x00000000

#define SA110_TIMER_CONTROL_SCALE_16             0x00000004

#define SA110_TIMER_CONTROL_SCALE_256            0x00000008

#define SA110_TIMER_CONTROL_SCALE_EXT            0x0000000c

#define SA110_TIMER_CONTROL_MODE                 0x00000040

#define SA110_TIMER_CONTROL_ENABLE               0x00000080

/*

 * IRQ Controller IRQ Numbers

 */

#define SA110_IRQ_MIN                            0

#define SA110_IRQ_RSV0                           0

#define SA110_IRQ_SOFT_INTERRUPT                 1

#define SA110_IRQ_CONSOLE_RX                     2

#define SA110_IRQ_CONSOLE_TX                     3

#define SA110_IRQ_TIMER_1                        4

#define SA110_IRQ_TIMER_2                        5

#define SA110_IRQ_TIMER_3                        6

#define SA110_IRQ_TIMER_4                        7

#define SA110_IRQ_IRQ_IN_I_0                     8

#define SA110_IRQ_IRQ_IN_I_1                     9

#define SA110_IRQ_IRQ_IN_I_2                     10

#define SA110_IRQ_IRQ_IN_I_3                     11

#define SA110_IRQ_XCS_I_0                        12

#define SA110_IRQ_XCS_I_1                        13

#define SA110_IRQ_XCS_I_2                        14

#define SA110_IRQ_DOORBELL_FROM_HOST             15

#define SA110_IRQ_DMA_CHAN_1                     16

#define SA110_IRQ_DMA_CHAN_2                     17

#define SA110_IRQ_PIC_IRQ_I                      18

#define SA110_IRQ_PMCSR_WRITE_BY_HOST            19

#define SA110_IRQ_RSV1                           20

#define SA110_IRQ_RSV2                           21

#define SA110_IRQ_START_BIST                     22

#define SA110_IRQ_RECEIVED_SERR                  23

#define SA110_IRQ_SDRAM_PARITY                   24

#define SA110_IRQ_I20_INBOUND_POST_LIST          25

#define SA110_IRQ_RSV3                           26

#define SA110_IRQ_DISCARD_TIMER_EXPIRED          27

#define SA110_IRQ_DATA_PARITY_ERROR              28

#define SA110_IRQ_MASTER_ABORT                   29

#define SA110_IRQ_TARGET_ABORT                   30

#define SA110_IRQ_PARITY_ERROR                   31

#define SA110_IRQ_MAX                            31

#define NUM_SA110_INTERRUPTS                     SA110_IRQ_MAX - SA110_IRQ_MIN + 1

#define SA110_IRQ_INTSRC_MASK(irq_nr)            (1 << (irq_nr))

/*

 * SA110 IRQSOFT/FIQSOFT Register bit fields

 */

#define SA110_IRQSOFT_RAW_BIT_MASK               0x00000001

/*

 * SA-110 Miscellaneous Registers.

 */

#define SA110_XBUS_CYCLE_ARBITER_o               0x148

#define SA110_XBUS_IO_STROBE_MASK_o              0x14c

#define SA110_XBUS_CYCLE_ARBITER                 SA110_REGISTER(SA110_XBUS_CYCLE_ARBITER_o)

#define SA110_XBUS_IO_STROBE_MASK                SA110_REGISTER(SA110_XBUS_IO_STROBE_MASK_o)

#define SA110_XBUS_CYCLE_ARBITER_ENABLED         0x00800000

#define SA110_XBUS_XCS2                          0x40012000

#define SA110_XBUS_XCS2_PCI_DISABLE              0x40

// -------------------------------------------------------------------------

// MMU initialization:

// 

// These structures are laid down in memory to define the translation

// table.  For usage, see the memory setup in ebsa285_misc.c in this

// component.  hal_bsp_mmu_init()

// 

/*

 * SA-1100 Translation Table Base Bit Masks */

#define ARM_TRANSLATION_TABLE_MASK               0xFFFFC000

/*

 * SA-1100 Domain Access Control Bit Masks

 */

#define ARM_ACCESS_TYPE_NO_ACCESS(domain_num)    (0x0 << (domain_num)*2)

#define ARM_ACCESS_TYPE_CLIENT(domain_num)       (0x1 << (domain_num)*2)

#define ARM_ACCESS_TYPE_MANAGER(domain_num)      (0x3 << (domain_num)*2)

// These are only useful in C, so:

#ifndef  __ASSEMBLER__

struct ARM_MMU_FIRST_LEVEL_FAULT {

    int id : 2;

    int sbz : 30;

};

#define ARM_MMU_FIRST_LEVEL_FAULT_ID 0x0

struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE {

    int id : 2;

    int imp : 2;

    int domain : 4;

    int sbz : 1;

    int base_address : 23;

};

#define ARM_MMU_FIRST_LEVEL_PAGE_TABLE_ID 0x1

struct ARM_MMU_FIRST_LEVEL_SECTION {

    int id : 2;

    int b : 1;

    int c : 1;

    int imp : 1;

    int domain : 4;

    int sbz0 : 1;

    int ap : 2;

    int sbz1 : 8;

    int base_address : 12;

};

#define ARM_MMU_FIRST_LEVEL_SECTION_ID 0x2

struct ARM_MMU_FIRST_LEVEL_RESERVED {

    int id : 2;

    int sbz : 30;

};

#define ARM_MMU_FIRST_LEVEL_RESERVED_ID 0x3

#define ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, table_index) \

   (unsigned long *)((unsigned long)(ttb_base) + ((table_index) << 2))

#define ARM_MMU_SECTION(ttb_base, actual_base, virtual_base,              \

                        cacheable, bufferable, perm)                      \

    CYG_MACRO_START                                                       \

        register union ARM_MMU_FIRST_LEVEL_DESCRIPTOR desc;               \

                                                                          \

        desc.word = 0;                                                    \

        desc.section.id = ARM_MMU_FIRST_LEVEL_SECTION_ID;                 \

        desc.section.domain = 0;                                          \

        desc.section.c = (cacheable);                                     \

        desc.section.b = (bufferable);                                    \

        desc.section.ap = (perm);                                         \

        desc.section.base_address = (actual_base);                        \

        *ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, (virtual_base)) \

                            = desc.word;                                  \

    CYG_MACRO_END

union ARM_MMU_FIRST_LEVEL_DESCRIPTOR {

    unsigned long word;

    struct ARM_MMU_FIRST_LEVEL_FAULT fault;

    struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE page_table;

    struct ARM_MMU_FIRST_LEVEL_SECTION section;

    struct ARM_MMU_FIRST_LEVEL_RESERVED reserved;

};

#endif /* __ASSEMBLER__ */

#define ARM_UNCACHEABLE                         0

#define ARM_CACHEABLE                           1

#define ARM_UNBUFFERABLE                        0

#define ARM_BUFFERABLE                          1

#define ARM_ACCESS_PERM_NONE_NONE               0

#define ARM_ACCESS_PERM_RO_NONE                 0

#define ARM_ACCESS_PERM_RO_RO                   0

#define ARM_ACCESS_PERM_RW_NONE                 1

#define ARM_ACCESS_PERM_RW_RO                   2

#define ARM_ACCESS_PERM_RW_RW                   3

/*---------------------------------------------------------------------------*/

/* end of hal_ebsa285.h                                                         */

#endif /* CYGONCE_HAL_EBSA285_H */