diff options
Diffstat (limited to 'include/asm-arm/arch-arm720t/netarm_mem_module.h')
| -rw-r--r-- | include/asm-arm/arch-arm720t/netarm_mem_module.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/include/asm-arm/arch-arm720t/netarm_mem_module.h b/include/asm-arm/arch-arm720t/netarm_mem_module.h new file mode 100644 index 0000000..02ca9fb --- /dev/null +++ b/include/asm-arm/arch-arm720t/netarm_mem_module.h @@ -0,0 +1,158 @@ +/* + * include/asm-armnommu/arch-netarm/netarm_mem_module.h + * + * 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 + */ + +#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) + +#endif + |