/* * include/asm-armnommu/arch-netarm/netarm_mem_module.h * * Copyright (C) 2005 * Art Shipkowski, Videon Central, Inc., * * Copyright (C) 2000, 2001 NETsilicon, Inc. * Copyright (C) 2000, 2001 Red Hat, Inc. * * This software is copyrighted by Red Hat. LICENSEE agrees that * it will not delete this copyright notice, trademarks or protective * notices from any copy made by LICENSEE. * * This software is provided "AS-IS" and any express or implied * warranties or conditions, including but not limited to any * implied warranties of merchantability and fitness for a particular * purpose regarding this software. In no event shall Red Hat * be liable for any indirect, consequential, or incidental damages, * loss of profits or revenue, loss of use or data, or interruption * of business, whether the alleged damages are labeled in contract, * tort, or indemnity. * * 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. * * 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * author(s) : Joe deBlaquiere * * Modified to support NS7520 by Art Shipkowski. */ #ifndef __NETARM_MEM_MODULE_REGISTERS_H #define __NETARM_MEM_MODULE_REGISTERS_H /* GEN unit register offsets */ #define NETARM_MEM_MODULE_BASE (0xFFC00000) #define NETARM_MEM_MODULE_CONFIG (0x00) #define NETARM_MEM_CS0_BASE_ADDR (0x10) #define NETARM_MEM_CS0_OPTIONS (0x14) #define NETARM_MEM_CS1_BASE_ADDR (0x20) #define NETARM_MEM_CS1_OPTIONS (0x24) #define NETARM_MEM_CS2_BASE_ADDR (0x30) #define NETARM_MEM_CS2_OPTIONS (0x34) #define NETARM_MEM_CS3_BASE_ADDR (0x40) #define NETARM_MEM_CS3_OPTIONS (0x44) #define NETARM_MEM_CS4_BASE_ADDR (0x50) #define NETARM_MEM_CS4_OPTIONS (0x54) /* select bitfield defintions */ /* Module Configuration Register ( 0xFFC0_0000 ) */ #define NETARM_MEM_CFG_REFR_COUNT_MASK (0xFF000000) #define NETARM_MEM_CFG_REFRESH_EN (0x00800000) #define NETARM_MEM_CFG_REFR_CYCLE_8CLKS (0x00000000) #define NETARM_MEM_CFG_REFR_CYCLE_6CLKS (0x00200000) #define NETARM_MEM_CFG_REFR_CYCLE_5CLKS (0x00400000) #define NETARM_MEM_CFG_REFR_CYCLE_4CLKS (0x00600000) #define NETARM_MEM_CFG_PORTC_AMUX (0x00100000) #define NETARM_MEM_CFG_A27_ADDR (0x00080000) #define NETARM_MEM_CFG_A27_CS0OE (0x00000000) #define NETARM_MEM_CFG_A26_ADDR (0x00040000) #define NETARM_MEM_CFG_A26_CS0WE (0x00000000) #define NETARM_MEM_CFG_A25_ADDR (0x00020000) #define NETARM_MEM_CFG_A25_BLAST (0x00000000) #define NETARM_MEM_CFG_PORTC_AMUX2 (0x00010000) /* range on this period is about 1 to 275 usec (with 18.432MHz clock) */ /* the expression will round down, so make sure to reverse it to verify */ /* it is what you want. period = [( count + 1 ) * 20] / Fcrystal */ /* (note: Fxtal = Fcrystal/5, see HWRefGuide sections 8.2.5 and 11.3.2) */ #define NETARM_MEM_REFR_PERIOD_USEC(p) (NETARM_MEM_CFG_REFR_COUNT_MASK & \ (((((NETARM_XTAL_FREQ/(1000))*p)/(20000) \ ) - (1) ) << (24))) #if 0 /* range on this period is about 1 to 275 usec (with 18.432MHz clock) */ /* the expression will round down, so make sure to reverse it toverify */ /* it is what you want. period = [( count + 1 ) * 4] / Fxtal */ #define NETARM_MEM_REFR_PERIOD_USEC(p) (NETARM_MEM_CFG_REFR_COUNT_MASK & \ (((((NETARM_XTAL_FREQ/(1000))*p)/(4000) \ ) - (1) ) << (24))) #endif /* Base Address Registers (0xFFC0_00X0) */ #define NETARM_MEM_BAR_BASE_MASK (0xFFFFF000) /* macro to define base */ #define NETARM_MEM_BAR_BASE(x) ((x) & NETARM_MEM_BAR_BASE_MASK) #define NETARM_MEM_BAR_DRAM_FP (0x00000000) #define NETARM_MEM_BAR_DRAM_EDO (0x00000100) #define NETARM_MEM_BAR_DRAM_SYNC (0x00000200) #define NETARM_MEM_BAR_DRAM_MUX_INT (0x00000000) #define NETARM_MEM_BAR_DRAM_MUX_EXT (0x00000080) #define NETARM_MEM_BAR_DRAM_MUX_BAL (0x00000000) #define NETARM_MEM_BAR_DRAM_MUX_UNBAL (0x00000020) #define NETARM_MEM_BAR_1BCLK_IDLE (0x00000010) #define NETARM_MEM_BAR_DRAM_SEL (0x00000008) #define NETARM_MEM_BAR_BURST_EN (0x00000004) #define NETARM_MEM_BAR_WRT_PROT (0x00000002) #define NETARM_MEM_BAR_VALID (0x00000001) /* Option Registers (0xFFC0_00X4) */ /* macro to define which bits of the base are significant */ #define NETARM_MEM_OPT_BASE_USE(x) ((x) & NETARM_MEM_BAR_BASE_MASK) #define NETARM_MEM_OPT_WAIT_MASK (0x00000F00) #define NETARM_MEM_OPT_WAIT_STATES(x) (((x) << 8 ) & NETARM_MEM_OPT_WAIT_MASK ) #define NETARM_MEM_OPT_BCYC_1 (0x00000000) #define NETARM_MEM_OPT_BCYC_2 (0x00000040) #define NETARM_MEM_OPT_BCYC_3 (0x00000080) #define NETARM_MEM_OPT_BCYC_4 (0x000000C0) #define NETARM_MEM_OPT_BSIZE_2 (0x00000000) #define NETARM_MEM_OPT_BSIZE_4 (0x00000010) #define NETARM_MEM_OPT_BSIZE_8 (0x00000020) #define NETARM_MEM_OPT_BSIZE_16 (0x00000030) #define NETARM_MEM_OPT_32BIT (0x00000000) #define NETARM_MEM_OPT_16BIT (0x00000004) #define NETARM_MEM_OPT_8BIT (0x00000008) #define NETARM_MEM_OPT_32BIT_EXT_ACK (0x0000000C) #define NETARM_MEM_OPT_BUS_SIZE_MASK (0x0000000C) #define NETARM_MEM_OPT_READ_ASYNC (0x00000000) #define NETARM_MEM_OPT_READ_SYNC (0x00000002) #define NETARM_MEM_OPT_WRITE_ASYNC (0x00000000) #define NETARM_MEM_OPT_WRITE_SYNC (0x00000001) #ifdef CONFIG_NETARM_NS7520 /* The NS7520 has a second options register for each chip select */ #define NETARM_MEM_CS0_OPTIONS_B (0x18) #define NETARM_MEM_CS1_OPTIONS_B (0x28) #define NETARM_MEM_CS2_OPTIONS_B (0x38) #define NETARM_MEM_CS3_OPTIONS_B (0x48) #define NETARM_MEM_CS4_OPTIONS_B (0x58) /* Option B Registers (0xFFC0_00x8) */ #define NETARM_MEM_OPTB_SYNC_1_STAGE (0x00000001) #define NETARM_MEM_OPTB_SYNC_2_STAGE (0x00000002) #define NETARM_MEM_OPTB_BCYC_PLUS0 (0x00000000) #define NETARM_MEM_OPTB_BCYC_PLUS4 (0x00000004) #define NETARM_MEM_OPTB_BCYC_PLUS8 (0x00000008) #define NETARM_MEM_OPTB_BCYC_PLUS12 (0x0000000C) #define NETARM_MEM_OPTB_WAIT_PLUS0 (0x00000000) #define NETARM_MEM_OPTB_WAIT_PLUS16 (0x00000010) #define NETARM_MEM_OPTB_WAIT_PLUS32 (0x00000020) #define NETARM_MEM_OPTB_WAIT_PLUS48 (0x00000030) #endif #endif