1 /* 2 * AMD Alchemy Pb1200 Reference Board 3 * Board Registers defines. 4 * 5 * ######################################################################## 6 * 7 * This program is free software; you can distribute it and/or modify it 8 * under the terms of the GNU General Public License (Version 2) as 9 * published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * for more details. 15 * 16 * You should have received a copy of the GNU General Public License along 17 * with this program; if not, write to the Free Software Foundation, Inc., 18 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. 19 * 20 * ######################################################################## 21 * 22 * 23 */ 24 #ifndef __ASM_PB1200_H 25 #define __ASM_PB1200_H 26 27 #include <linux/types.h> 28 #include <asm/mach-au1x00/au1000.h> 29 #include <asm/mach-au1x00/au1xxx_psc.h> 30 31 #define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX 32 #define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX 33 #define DBDMA_I2S_TX_CHAN DSCR_CMD0_PSC1_TX 34 #define DBDMA_I2S_RX_CHAN DSCR_CMD0_PSC1_RX 35 36 /* 37 * SPI and SMB are muxed on the Pb1200 board. 38 * Refer to board documentation. 39 */ 40 #define SPI_PSC_BASE PSC0_BASE_ADDR 41 #define SMBUS_PSC_BASE PSC0_BASE_ADDR 42 /* 43 * AC97 and I2S are muxed on the Pb1200 board. 44 * Refer to board documentation. 45 */ 46 #define AC97_PSC_BASE PSC1_BASE_ADDR 47 #define I2S_PSC_BASE PSC1_BASE_ADDR 48 49 50 #define BCSR_SYSTEM_VDDI 0x001F 51 #define BCSR_SYSTEM_POWEROFF 0x4000 52 #define BCSR_SYSTEM_RESET 0x8000 53 54 /* Bit positions for the different interrupt sources */ 55 #define BCSR_INT_IDE 0x0001 56 #define BCSR_INT_ETH 0x0002 57 #define BCSR_INT_PC0 0x0004 58 #define BCSR_INT_PC0STSCHG 0x0008 59 #define BCSR_INT_PC1 0x0010 60 #define BCSR_INT_PC1STSCHG 0x0020 61 #define BCSR_INT_DC 0x0040 62 #define BCSR_INT_FLASHBUSY 0x0080 63 #define BCSR_INT_PC0INSERT 0x0100 64 #define BCSR_INT_PC0EJECT 0x0200 65 #define BCSR_INT_PC1INSERT 0x0400 66 #define BCSR_INT_PC1EJECT 0x0800 67 #define BCSR_INT_SD0INSERT 0x1000 68 #define BCSR_INT_SD0EJECT 0x2000 69 #define BCSR_INT_SD1INSERT 0x4000 70 #define BCSR_INT_SD1EJECT 0x8000 71 72 #define SMC91C111_PHYS_ADDR 0x0D000300 73 #define SMC91C111_INT PB1200_ETH_INT 74 75 #define IDE_PHYS_ADDR 0x0C800000 76 #define IDE_REG_SHIFT 5 77 #define IDE_PHYS_LEN (16 << IDE_REG_SHIFT) 78 #define IDE_INT PB1200_IDE_INT 79 #define IDE_DDMA_REQ DSCR_CMD0_DMA_REQ1 80 #define IDE_RQSIZE 128 81 82 #define NAND_PHYS_ADDR 0x1C000000 83 84 /* 85 * Timing values as described in databook, * ns value stripped of 86 * lower 2 bits. 87 * These defines are here rather than an Au1200 generic file because 88 * the parts chosen on another board may be different and may require 89 * different timings. 90 */ 91 #define NAND_T_H (18 >> 2) 92 #define NAND_T_PUL (30 >> 2) 93 #define NAND_T_SU (30 >> 2) 94 #define NAND_T_WH (30 >> 2) 95 96 /* Bitfield shift amounts */ 97 #define NAND_T_H_SHIFT 0 98 #define NAND_T_PUL_SHIFT 4 99 #define NAND_T_SU_SHIFT 8 100 #define NAND_T_WH_SHIFT 12 101 102 #define NAND_TIMING (((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \ 103 ((NAND_T_PUL & 0xF) << NAND_T_PUL_SHIFT) | \ 104 ((NAND_T_SU & 0xF) << NAND_T_SU_SHIFT) | \ 105 ((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT)) 106 107 /* 108 * External Interrupts for Pb1200 as of 8/6/2004. 109 * Bit positions in the CPLD registers can be calculated by taking 110 * the interrupt define and subtracting the PB1200_INT_BEGIN value. 111 * 112 * Example: IDE bis pos is = 64 - 64 113 * ETH bit pos is = 65 - 64 114 */ 115 enum external_pb1200_ints { 116 PB1200_INT_BEGIN = AU1000_MAX_INTR + 1, 117 118 PB1200_IDE_INT = PB1200_INT_BEGIN, 119 PB1200_ETH_INT, 120 PB1200_PC0_INT, 121 PB1200_PC0_STSCHG_INT, 122 PB1200_PC1_INT, 123 PB1200_PC1_STSCHG_INT, 124 PB1200_DC_INT, 125 PB1200_FLASHBUSY_INT, 126 PB1200_PC0_INSERT_INT, 127 PB1200_PC0_EJECT_INT, 128 PB1200_PC1_INSERT_INT, 129 PB1200_PC1_EJECT_INT, 130 PB1200_SD0_INSERT_INT, 131 PB1200_SD0_EJECT_INT, 132 PB1200_SD1_INSERT_INT, 133 PB1200_SD1_EJECT_INT, 134 135 PB1200_INT_END = PB1200_INT_BEGIN + 15 136 }; 137 138 /* NAND chip select */ 139 #define NAND_CS 1 140 141 #endif /* __ASM_PB1200_H */ 142