?? bcu.h
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/************************************************************************
* *
* Copyright (C) SEIKO EPSON CORP. 1999 *
* *
* File name: bcu.h *
* This is BCU driver header file. *
* *
* Revision history *
* 1999.03.11 T.Mineshima Start. *
* 1999.04.22 T.Mineshima Define Modify. *
* *
************************************************************************/
/* Address definition */
#define BCU_A15_A18_ADDR 0x48120 // Address for area 15-18 BCU register
#define BCU_A13_A14_ADDR 0x48122 // Address for area 13-14 BCU register
#define BCU_A11_A12_ADDR 0x48124 // Address for area 11-12 BCU register
#define BCU_A9_A10_ADDR 0x48126 // Address for area 9-10 BCU register
#define BCU_A7_A8_ADDR 0x48128 // Address for area 7-8 BCU register
#define BCU_A4_A5_A6_ADDR 0x4812a // Address for area 4-6 BCU register
#define BCU_SWAITE_ADDR 0x4812e // Address for #WAIT enable, external interface setting, DRAM interface estabishment, refresh setting, DRAM page mode selection, burst ROM mode selection, BCLK output control register
#define BCU_TBRP_ADDR 0x4812d // Address for TTBR register write protect
#define BCU_RASC_ADDR 0x48130 // Address for DRAM RAS, CAS cycle, RAS precharge cycle, successive RAS mode, #CE pin function selection register
#define BCU_EC_IO_ADDR 0x48132 // Address for area 5-18 endian control and external/internal access control register
#define BCU_TTBRL_ADDR 0x48134 // Address for trap table base address register (low-order address)
#define BCU_TTBRH_ADDR 0x48136 // Address for trap table base address register (high-order address)
#define BCU_RD_AD_ADDR 0x48138 // Address for G/A read signal control register
#define BCU_BCLKSEL_ADDR 0x4813a // Address for BCLK selection register
/* Bit field definition */
#define BCU_boot_16K 0x0000 // Area 10 Boot ROM size 16K
#define BCU_boot_32K 0x1000 // Area 10 Boot ROM size 32K
#define BCU_boot_64K 0x2000 // Area 10 Boot ROM size 64K
#define BCU_boot_128K 0x3000 // Area 10 Boot ROM size 128K
#define BCU_boot_256K 0x4000 // Area 10 Boot ROM size 256K
#define BCU_boot_512K 0x5000 // Area 10 Boot ROM size 512K
#define BCU_boot_1M 0x6000 // Area 10 Boot ROM size 1M
#define BCU_boot_2M 0x7000 // Area 10 Boot ROM size 2M
//#define BCU_boot_16K 0x0000 // Area 10 Boot ROM size 16K
//#define BCU_boot_32K 0x0100 // Area 10 Boot ROM size 32K
//#define BCU_boot_64K 0x0200 // Area 10 Boot ROM size 64K
//#define BCU_boot_128K 0x0300 // Area 10 Boot ROM size 128K
//#define BCU_boot_256K 0x0400 // Area 10 Boot ROM size 256K
//#define BCU_boot_512K 0x0500 // Area 10 Boot ROM size 512K
//#define BCU_boot_1M 0x0600 // Area 10 Boot ROM size 1M
//#define BCU_boot_2M 0x0700 // Area 10 Boot ROM size 2M
#define BCU_SZH_8 0x4000 // Device size 8 bits (high-order address)
#define BCU_SZH_16 0x0000 // Device size 16 bits (high-order address)
#define BCU_SZL_8 0x0040 // Device size 8 bits (low-order address)
#define BCU_SZL_16 0x0000 // Device size 16 bits (low-order address)
#define BCU_DFH_35 0x3000 // Output disable delay 3.5 (high-order address)
#define BCU_DFH_25 0x2000 // Output disable delay 2.5 (high-order address)
#define BCU_DFH_15 0x1000 // Output disable delay 1.5 (high-order address)
#define BCU_DFH_05 0x0000 // Output disable delay 0.5 (high-order address)
#define BCU_DFL_35 0x0030 // Output disable delay 3.5 (low-order address)
#define BCU_DFL_25 0x0020 // Output disable delay 2.5 (low-order address)
#define BCU_DFL_15 0x0010 // Output disable delay 1.5 (low-order address)
#define BCU_DFL_05 0x0000 // Output disable delay 0.5 (low-order address)
#define BCU_WTH_7 0x0700 // Wait control 7 (high-order address)
#define BCU_WTH_6 0x0600 // Wait control 6 (high-order address)
#define BCU_WTH_5 0x0500 // Wait control 5 (high-order address)
#define BCU_WTH_4 0x0400 // Wait control 4 (high-order address)
#define BCU_WTH_3 0x0300 // Wait control 3 (high-order address)
#define BCU_WTH_2 0x0200 // Wait control 2 (high-order address)
#define BCU_WTH_1 0x0100 // Wait control 1 (high-order address)
#define BCU_WTH_0 0x0000 // Wait control 0 (high-order address)
#define BCU_WTL_7 0x0007 // Wait control 7 (low-order address)
#define BCU_WTL_6 0x0006 // Wait control 6 (low-order address)
#define BCU_WTL_5 0x0005 // Wait control 5 (low-order address)
#define BCU_WTL_4 0x0004 // Wait control 4 (low-order address)
#define BCU_WTL_3 0x0003 // Wait control 3 (low-order address)
#define BCU_WTL_2 0x0002 // Wait control 2 (low-order address)
#define BCU_WTL_1 0x0001 // Wait control 1 (low-order address)
#define BCU_WTL_0 0x0000 // Wait control 0 (low-order address)
#define BCU_DRAH_USE 0x0100 // Area 14 and area 8 DRAM is used
#define BCU_DRAH_NOT 0x0000 // Area 14 and area 8 DRAM is not used
#define BCU_DRAL_USE 0x0080 // Area 13 and area 7 DRAM is used
#define BCU_DRAL_NOT 0x0000 // Area 13 and area 7 DRAM is not used
#define BCU_BROH_USE 0x0100 // Area 10 burst ROM is used
#define BCU_BROH_NOT 0x0000 // area 10 burst ROM is not used
#define BCU_BROL_USE 0x0080 // Area 9 burst ROM is used
#define BCU_BROL_NOT 0x0000 // Area 9 burst ROM is not used
#define BCU_BW_3 0x0600 // Burst ROM burst read cycle wait 3
#define BCU_BW_2 0x0400 // Burst ROM burst read cycle wait 2
#define BCU_BW_1 0x0200 // Burst ROM burst read cycle wait 1
#define BCU_BW_0 0x0000 // Burst ROM burst read cycle wait 0
#define BCU_RBCLK_HI 0x8000 // BCLK output fixed at high
#define BCU_RBCLK_ENA 0x0000 // BCLK output enable
#define BCU_RBST8_8 0x2000 // Burst ROM mode 8
#define BCU_RBST8_4 0x0000 // Burst ROM mode 4
#define BCU_REDO_EDO 0x1000 // EDO RAM interface EDO
#define BCU_REDO_FPAGE 0x0000 // EDO RAM interface fastpage
#define BCU_RCA_11 0x0C00 // Column address size 11
#define BCU_RCA_10 0x0800 // Column address size 10
#define BCU_RCA_9 0x0400 // Column address size 9
#define BCU_RCA_8 0x0000 // Column address size 8
#define BCU_RPC2_ENA 0x0200 // Refresh enable
#define BCU_RPC2_DIS 0x0000 // Refresh disable
#define BCU_RPC1_SELF 0x0100 // Refresh self-refresh
#define BCU_RPC1_CBR 0x0000 // Refresh CBR-refresh
#define BCU_RPC0_2 0x0080 // Refresh RPC delay 2
#define BCU_RPC0_1 0x0000 // Refresh RPC delay 1
#define BCU_RRAS_5 0x0060 // Refresh #RAS pulse width 5
#define BCU_RRAS_4 0x0040 // Refresh #RAS pulse width 4
#define BCU_RRAS_3 0x0020 // Refresh #RAS pulse width 3
#define BCU_RRAS_2 0x0000 // Refresh #RAS pulse width 2
#define BCU_S2WE_2WE 0x0010 // DRAM interface selection 2WE
#define BCU_S2WE_2CAS 0x0000 // DRAM interface selection 2CAS
#define BCU_SBUSST_BSL 0x0008 // External interface selection #BSL
#define BCU_SBUSST_A0 0x0000 // External interface selection A0
#define BCU_SEMAS_EXIST 0x0004 // External bus master setup existing
#define BCU_SEMAS_NOT 0x0000 // External bus master setup nonexistent
#define BCU_SEPD_ENA 0x0002 // External power-down control enabled
#define BCU_SEPD_DIS 0x0000 // External power-down control disable
#define BCU_SWAITE_ENA 0x0001 // SRAM #WAIT enable
#define BCU_SWAITE_DIS 0x0000 // SRAM #WAIT disable
#define BCU_CEFUNC_HI 0x0200 // #CE pin function selection high address
#define BCU_CEFUNC_NOR 0x0000 // #CE pin function selection normal address
#define BCU_CRAS_SEQ 0x0100 // RAS mode sequential
#define BCU_CRAS_NOR 0x0000 // RAS mode normal
//#define BCU_CRAS_SEQ 0x0200 // RAS mode sequential
//#define BCU_CRAS_NOR 0x0000 // RAS mode normal
#define BCU_RPRC_4 0x00c0 // DRAM RAS precharge cycle 4
#define BCU_RPRC_3 0x0080 // DRAM RAS precharge cycle 3
#define BCU_RPRC_2 0x0040 // DRAM RAS precharge cycle 2
#define BCU_RPRC_1 0x0000 // DRAM RAS precharge cycle 1
#define BCU_CAS_4 0x0018 // DRAM CAS cycle 4
#define BCU_CAS_3 0x0010 // DRAM CAS cycle 3
#define BCU_CAS_2 0x0008 // DRAM CAS cycle 2
#define BCU_CAS_1 0x0000 // DRAM CAS cycle 1
//#define BCU_CAS_4 0x000c // DRAM CAS cycle 4
//#define BCU_CAS_3 0x0008 // DRAM CAS cycle 3
//#define BCU_CAS_2 0x0004 // DRAM CAS cycle 2
//#define BCU_CAS_1 0x0000 // DRAM CAS cycle 1
#define BCU_RAS_4 0x0003 // DRAM RAS cycle 4
#define BCU_RAS_3 0x0002 // DRAM RAS cycle 3
#define BCU_RAS_2 0x0001 // DRAM RAS cycle 2
#define BCU_RAS_1 0x0000 // DRAM RAS cycle 1
#define BCU_A18IO_INT 0x8000 // Area 18,17 internal access
#define BCU_A16IO_INT 0x4000 // Area 16,15 internal access
#define BCU_A14IO_INT 0x2000 // Area 14,13 internal access
#define BCU_A12IO_INT 0x1000 // Area 12,11 internal access
#define BCU_A8IO_INT 0x0400 // Area 8,7 internal access
#define BCU_A6IO_INT 0x0200 // Area 6 internal access
#define BCU_A5IO_INT 0x0100 // Area 5,4 internal access
#define BCU_A18EC_BIG 0x0080 // Area 18,17 internal access
#define BCU_A16EC_BIG 0x0040 // Area 16,15 internal access
#define BCU_A14EC_BIG 0x0020 // Area 14,13 internal access
#define BCU_A12EC_BIG 0x0010 // Area 12,11 internal access
#define BCU_A10EC_BIG 0x0008 // Area 10,9 internal access
#define BCU_A8EC_BIG 0x0004 // Area 8,7 internal access
#define BCU_A6EC_BIG 0x0002 // Area 6 internal access
#define BCU_A5EC_BIG 0x0001 // Area 5,4 internal access
#define BCU_A18AS_ENA 0x8000 // Area 18,17 address strobe
#define BCU_A16AS_ENA 0x4000 // Area 16,15 address strobe
#define BCU_A14AS_ENA 0x2000 // Area 14,13 address strobe
#define BCU_A12AS_ENA 0x1000 // Area 12,11 address strobe
#define BCU_A8AS_ENA 0x0400 // Area 8,7 address strobe
#define BCU_A6AS_ENA 0x0200 // Area 6 address strobe
#define BCU_A5AS_ENA 0x0100 // Area 5,4 address strobe
#define BCU_A18RD_ENA 0x0080 // Area 18,17 read signal
#define BCU_A16RD_ENA 0x0040 // Area 16,15 read signal
#define BCU_A14RD_ENA 0x0020 // Area 14,13 read signal
#define BCU_A12RD_ENA 0x0010 // Area 12,11 read signal
#define BCU_A8RD_ENA 0x0004 // Area 8,7 read signal
#define BCU_A6RD_ENA 0x0002 // Area 6 read signal
#define BCU_A5RD_ENA 0x0001 // Area 5,4 read signal
#define BCU_BCLKSEL_PLL 0x03 // PLL CLK
#define BCU_BCLKSEL_OSC3 0x02 // OSC3 CLK
#define BCU_BCLKSEL_BCU 0x01 // BCU CLK
#define BCU_BCLKSEL_CPU 0x00 // CPU CLK
#define BCU_TBRP_WR 0x5900 // Trap table base address register write enable
/* Memory start address */
#define BCU_AREA4_ADDR 0x0100000 // Area 4 memory start address
#define BCU_AREA5_ADDR 0x0200000 // Area 5 memory start address
#define BCU_AREA6_ADDR 0x0300000 // Area 6 memory start address
#define BCU_AREA7_ADDR 0x0400000 // Area 7 memory start address
#define BCU_AREA8_ADDR 0x0600000 // Area 8 memory start address
#define BCU_AREA9_ADDR 0x0800000 // Area 9 memory start address
#define BCU_AREA10_ADDR 0x0c00000 // Area 10 memory start address
#define BCU_AREA11_ADDR 0x1000000 // Area 11 memory start address
#define BCU_AREA12_ADDR 0x1800000 // Area 12 memory start address
#define BCU_AREA13_ADDR 0x2000000 // Area 13 memory start address
#define BCU_AREA14_ADDR 0x3000000 // Area 14 memory start address
#define BCU_AREA15_ADDR 0x4000000 // Area 15 memory start address
#define BCU_AREA16_ADDR 0x6000000 // Area 16 memory start address
#define BCU_AREA17_ADDR 0x8000000 // Area 17 memory start address
#define BCU_AREA18_ADDR 0xc000000 // Area 18 memory start address
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