diff options
Diffstat (limited to 'arch/arm/include/asm/arch-arm720t/netarm_dma_module.h')
| -rw-r--r-- | arch/arm/include/asm/arch-arm720t/netarm_dma_module.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-arm720t/netarm_dma_module.h b/arch/arm/include/asm/arch-arm720t/netarm_dma_module.h new file mode 100644 index 000000000..328eaf0da --- /dev/null +++ b/arch/arm/include/asm/arch-arm720t/netarm_dma_module.h @@ -0,0 +1,182 @@ +/* * include/asm-armnommu/arch-netarm/netarm_dma_module.h + * + * Copyright (C) 2000 NETsilicon, Inc. + * Copyright (C) 2000 WireSpeed Communications Corporation + * + * This software is copyrighted by WireSpeed. 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 WireSpeed + * 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 + * David Smith + */ + +#ifndef __NETARM_DMA_MODULE_REGISTERS_H +#define __NETARM_DMA_MODULE_REGISTERS_H + +/* GEN unit register offsets */ + +#define NETARM_DMA_MODULE_BASE (0xFF900000) + +#define get_dma_reg_addr(c) ((volatile unsigned int *)(NETARM_DMA_MODULE_BASE + (c))) + +#define NETARM_DMA1A_BFR_DESCRPTOR_PTR (0x00) +#define NETARM_DMA1A_CONTROL (0x10) +#define NETARM_DMA1A_STATUS (0x14) +#define NETARM_DMA1B_BFR_DESCRPTOR_PTR (0x20) +#define NETARM_DMA1B_CONTROL (0x30) +#define NETARM_DMA1B_STATUS (0x34) +#define NETARM_DMA1C_BFR_DESCRPTOR_PTR (0x40) +#define NETARM_DMA1C_CONTROL (0x50) +#define NETARM_DMA1C_STATUS (0x54) +#define NETARM_DMA1D_BFR_DESCRPTOR_PTR (0x60) +#define NETARM_DMA1D_CONTROL (0x70) +#define NETARM_DMA1D_STATUS (0x74) + +#define NETARM_DMA2_BFR_DESCRPTOR_PTR (0x80) +#define NETARM_DMA2_CONTROL (0x90) +#define NETARM_DMA2_STATUS (0x94) + +#define NETARM_DMA3_BFR_DESCRPTOR_PTR (0xA0) +#define NETARM_DMA3_CONTROL (0xB0) +#define NETARM_DMA3_STATUS (0xB4) + +#define NETARM_DMA4_BFR_DESCRPTOR_PTR (0xC0) +#define NETARM_DMA4_CONTROL (0xD0) +#define NETARM_DMA4_STATUS (0xD4) + +#define NETARM_DMA5_BFR_DESCRPTOR_PTR (0xE0) +#define NETARM_DMA5_CONTROL (0xF0) +#define NETARM_DMA5_STATUS (0xF4) + +#define NETARM_DMA6_BFR_DESCRPTOR_PTR (0x100) +#define NETARM_DMA6_CONTROL (0x110) +#define NETARM_DMA6_STATUS (0x114) + +#define NETARM_DMA7_BFR_DESCRPTOR_PTR (0x120) +#define NETARM_DMA7_CONTROL (0x130) +#define NETARM_DMA7_STATUS (0x134) + +#define NETARM_DMA8_BFR_DESCRPTOR_PTR (0x140) +#define NETARM_DMA8_CONTROL (0x150) +#define NETARM_DMA8_STATUS (0x154) + +#define NETARM_DMA9_BFR_DESCRPTOR_PTR (0x160) +#define NETARM_DMA9_CONTROL (0x170) +#define NETARM_DMA9_STATUS (0x174) + +#define NETARM_DMA10_BFR_DESCRPTOR_PTR (0x180) +#define NETARM_DMA10_CONTROL (0x190) +#define NETARM_DMA10_STATUS (0x194) + +/* select bitfield defintions */ + +/* DMA Control Register ( 0xFF90_0XX0 ) */ + +#define NETARM_DMA_CTL_ENABLE (0x80000000) + +#define NETARM_DMA_CTL_ABORT (0x40000000) + +#define NETARM_DMA_CTL_BUS_100_PERCENT (0x00000000) +#define NETARM_DMA_CTL_BUS_75_PERCENT (0x10000000) +#define NETARM_DMA_CTL_BUS_50_PERCENT (0x20000000) +#define NETARM_DMA_CTL_BUS_25_PERCENT (0x30000000) + +#define NETARM_DMA_CTL_BUS_MASK (0x30000000) + +#define NETARM_DMA_CTL_MODE_FB_TO_MEM (0x00000000) +#define NETARM_DMA_CTL_MODE_FB_FROM_MEM (0x04000000) +#define NETARM_DMA_CTL_MODE_MEM_TO_MEM (0x08000000) + +#define NETARM_DMA_CTL_BURST_NONE (0x00000000) +#define NETARM_DMA_CTL_BURST_8_BYTE (0x01000000) +#define NETARM_DMA_CTL_BURST_16_BYTE (0x02000000) + +#define NETARM_DMA_CTL_BURST_MASK (0x03000000) + +#define NETARM_DMA_CTL_SRC_INCREMENT (0x00200000) + +#define NETARM_DMA_CTL_DST_INCREMENT (0x00100000) + +/* these apply only to ext xfers on DMA 3 or 4 */ + +#define NETARM_DMA_CTL_CH_3_4_REQ_EXT (0x00800000) + +#define NETARM_DMA_CTL_CH_3_4_DATA_32 (0x00000000) +#define NETARM_DMA_CTL_CH_3_4_DATA_16 (0x00010000) +#define NETARM_DMA_CTL_CH_3_4_DATA_8 (0x00020000) + +#define NETARM_DMA_CTL_STATE(X) ((X) & 0xFC00) +#define NETARM_DMA_CTL_INDEX(X) ((X) & 0x03FF) + +/* DMA Status Register ( 0xFF90_0XX4 ) */ + +#define NETARM_DMA_STAT_NC_INTPEN (0x80000000) +#define NETARM_DMA_STAT_EC_INTPEN (0x40000000) +#define NETARM_DMA_STAT_NR_INTPEN (0x20000000) +#define NETARM_DMA_STAT_CA_INTPEN (0x10000000) +#define NETARM_DMA_STAT_INTPEN_MASK (0xF0000000) + +#define NETARM_DMA_STAT_NC_INT_EN (0x00800000) +#define NETARM_DMA_STAT_EC_INT_EN (0x00400000) +#define NETARM_DMA_STAT_NR_INT_EN (0x00200000) +#define NETARM_DMA_STAT_CA_INT_EN (0x00100000) +#define NETARM_DMA_STAT_INT_EN_MASK (0x00F00000) + +#define NETARM_DMA_STAT_WRAP (0x00080000) +#define NETARM_DMA_STAT_IDONE (0x00040000) +#define NETARM_DMA_STAT_LAST (0x00020000) +#define NETARM_DMA_STAT_FULL (0x00010000) + +#define NETARM_DMA_STAT_BUFLEN(X) ((X) & 0x7FFF) + +/* DMA Buffer Descriptor Word 0 bitfields. */ + +#define NETARM_DMA_BD0_WRAP (0x80000000) +#define NETARM_DMA_BD0_IDONE (0x40000000) +#define NETARM_DMA_BD0_LAST (0x20000000) +#define NETARM_DMA_BD0_BUFPTR_MASK (0x1FFFFFFF) + +/* DMA Buffer Descriptor Word 1 bitfields. */ + +#define NETARM_DMA_BD1_STATUS_MASK (0xFFFF0000) +#define NETARM_DMA_BD1_FULL (0x00008000) +#define NETARM_DMA_BD1_BUFLEN_MASK (0x00007FFF) + +#ifndef __ASSEMBLER__ + +typedef struct __NETARM_DMA_Buff_Desc_FlyBy +{ + unsigned int word0; + unsigned int word1; +} NETARM_DMA_Buff_Desc_FlyBy, *pNETARM_DMA_Buff_Desc_FlyBy ; + +typedef struct __NETARM_DMA_Buff_Desc_M_to_M +{ + unsigned int word0; + unsigned int word1; + unsigned int word2; + unsigned int word3; +} NETARM_DMA_Buff_Desc_M_to_M, *pNETARM_DMA_Buff_Desc_M_to_M ; + +#endif + +#endif |