diff options
Diffstat (limited to 'arch/arm/include/asm/arch-ixp/ixp425pci.h')
| -rw-r--r-- | arch/arm/include/asm/arch-ixp/ixp425pci.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-ixp/ixp425pci.h b/arch/arm/include/asm/arch-ixp/ixp425pci.h new file mode 100644 index 0000000..acafea7 --- /dev/null +++ b/arch/arm/include/asm/arch-ixp/ixp425pci.h @@ -0,0 +1,190 @@ +/* + * IXP PCI Init + * (C) Copyright 2004 eslab.whut.edu.cn + * Yue Hu(huyue_whut@yahoo.com.cn), Ligong Xue(lgxue@hotmail.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _IXP425PCI_H +#define _IXP425PCI_H + +#define OK 0 +#define ERROR -1 + +struct pci_controller; +extern void pci_ixp_init(struct pci_controller *hose); + +/* Mask definitions*/ +#define IXP425_PCI_BOTTOM_NIBBLE_OF_LONG_MASK 0x0000000f + +#define PCI_NP_CBE_BESL (4) +#define PCI_NP_AD_FUNCSL (8) + +/*Register addressing definitions for PCI controller configuration + and status registers*/ + +#define PCI_CSR_BASE (0xC0000000) +/* +#define PCI_NP_AD_OFFSET (0x00) +#define PCI_NP_CBE_OFFSET (0x04) +#define PCI_NP_WDATA_OFFSET (0x08) +#define PCI_NP_RDATA_OFFSET (0x0C) +#define PCI_CRP_OFFSET (0x10) +#define PCI_CRP_WDATA_OFFSET (0x14) +#define PCI_CRP_RDATA_OFFSET (0x18) +#define PCI_CSR_OFFSET (0x1C) +#define PCI_ISR_OFFSET (0x20) +#define PCI_INTEN_OFFSET (0x24) +#define PCI_DMACTRL_OFFSET (0x28) +#define PCI_AHBMEMBASE_OFFSET (0x2C) +#define PCI_AHBIOBASE_OFFSET (0x30) +#define PCI_PCIMEMBASE_OFFSET (0x34) +#define PCI_AHBDOORBELL_OFFSET (0x38) +#define PCI_PCIDOORBELL_OFFSET (0x3C) +#define PCI_ATPDMA0_AHBADDR (0x40) +#define PCI_ATPDMA0_PCIADDR (0x44) +#define PCI_ATPDMA0_LENADDR (0x48) +#define PCI_ATPDMA1_AHBADDR (0x4C) +#define PCI_ATPDMA1_PCIADDR (0x50) +#define PCI_ATPDMA1_LENADDR (0x54) +#define PCI_PTADMA0_AHBADDR (0x58) +#define PCI_PTADMA0_PCIADDR (0x5C) +#define PCI_PTADMA0_LENADDR (0x60) +#define PCI_PTADMA1_AHBADDR (0x64) +#define PCI_PTADMA1_PCIADDR (0x68) +#define PCI_PTADMA1_LENADDR (0x6C) +*/ +/*Non prefetch registers bit definitions*/ +/* +#define NP_CMD_INTACK (0x0) +#define NP_CMD_SPECIAL (0x1) +#define NP_CMD_IOREAD (0x2) +#define NP_CMD_IOWRITE (0x3) +#define NP_CMD_MEMREAD (0x6) +#define NP_CMD_MEMWRITE (0x7) +#define NP_CMD_CONFIGREAD (0xa) +#define NP_CMD_CONFIGWRITE (0xb) +*/ + +/*Configuration Port register bit definitions*/ +#define PCI_CRP_WRITE BIT(16) + +/*ISR (Interrupt status) Register bit definitions*/ +#define PCI_ISR_PSE BIT(0) +#define PCI_ISR_PFE BIT(1) +#define PCI_ISR_PPE BIT(2) +#define PCI_ISR_AHBE BIT(3) +#define PCI_ISR_APDC BIT(4) +#define PCI_ISR_PADC BIT(5) +#define PCI_ISR_ADB BIT(6) +#define PCI_ISR_PDB BIT(7) + +/*INTEN (Interrupt Enable) Register bit definitions*/ +#define PCI_INTEN_PSE BIT(0) +#define PCI_INTEN_PFE BIT(1) +#define PCI_INTEN_PPE BIT(2) +#define PCI_INTEN_AHBE BIT(3) +#define PCI_INTEN_APDC BIT(4) +#define PCI_INTEN_PADC BIT(5) +#define PCI_INTEN_ADB BIT(6) +#define PCI_INTEN_PDB BIT(7) + +/*PCI configuration regs.*/ + +#define PCI_CFG_VENDOR_ID 0x00 +#define PCI_CFG_DEVICE_ID 0x02 +#define PCI_CFG_COMMAND 0x04 +#define PCI_CFG_STATUS 0x06 +#define PCI_CFG_REVISION 0x08 +#define PCI_CFG_PROGRAMMING_IF 0x09 +#define PCI_CFG_SUBCLASS 0x0a +#define PCI_CFG_CLASS 0x0b +#define PCI_CFG_CACHE_LINE_SIZE 0x0c +#define PCI_CFG_LATENCY_TIMER 0x0d +#define PCI_CFG_HEADER_TYPE 0x0e +#define PCI_CFG_BIST 0x0f +#define PCI_CFG_BASE_ADDRESS_0 0x10 +#define PCI_CFG_BASE_ADDRESS_1 0x14 +#define PCI_CFG_BASE_ADDRESS_2 0x18 +#define PCI_CFG_BASE_ADDRESS_3 0x1c +#define PCI_CFG_BASE_ADDRESS_4 0x20 +#define PCI_CFG_BASE_ADDRESS_5 0x24 +#define PCI_CFG_CIS 0x28 +#define PCI_CFG_SUB_VENDOR_ID 0x2c +#define PCI_CFG_SUB_SYSTEM_ID 0x2e +#define PCI_CFG_EXPANSION_ROM 0x30 +#define PCI_CFG_RESERVED_0 0x34 +#define PCI_CFG_RESERVED_1 0x38 +#define PCI_CFG_DEV_INT_LINE 0x3c +#define PCI_CFG_DEV_INT_PIN 0x3d +#define PCI_CFG_MIN_GRANT 0x3e +#define PCI_CFG_MAX_LATENCY 0x3f +#define PCI_CFG_SPECIAL_USE 0x41 +#define PCI_CFG_MODE 0x43 + +#define PCI_CMD_IO_ENABLE 0x0001 /* IO access enable */ +#define PCI_CMD_MEM_ENABLE 0x0002 /* memory access enable */ +#define PCI_CMD_MASTER_ENABLE 0x0004 /* bus master enable */ +#define PCI_CMD_MON_ENABLE 0x0008 /* monitor special cycles enable */ +#define PCI_CMD_WI_ENABLE 0x0010 /* write and invalidate enable */ +#define PCI_CMD_SNOOP_ENABLE 0x0020 /* palette snoop enable */ +#define PCI_CMD_PERR_ENABLE 0x0040 /* parity error enable */ +#define PCI_CMD_WC_ENABLE 0x0080 /* wait cycle enable */ +#define PCI_CMD_SERR_ENABLE 0x0100 /* system error enable */ +#define PCI_CMD_FBTB_ENABLE 0x0200 /* fast back to back enable */ + + +/*CSR Register bit definitions*/ +#define PCI_CSR_HOST BIT(0) +#define PCI_CSR_ARBEN BIT(1) +#define PCI_CSR_ADS BIT(2) +#define PCI_CSR_PDS BIT(3) +#define PCI_CSR_ABE BIT(4) +#define PCI_CSR_DBT BIT(5) +#define PCI_CSR_ASE BIT(8) +#define PCI_CSR_IC BIT(15) + +/*Configuration command bit definitions*/ +#define PCI_CFG_CMD_IOAE BIT(0) +#define PCI_CFG_CMD_MAE BIT(1) +#define PCI_CFG_CMD_BME BIT(2) +#define PCI_CFG_CMD_MWIE BIT(4) +#define PCI_CFG_CMD_SER BIT(8) +#define PCI_CFG_CMD_FBBE BIT(9) +#define PCI_CFG_CMD_MDPE BIT(24) +#define PCI_CFG_CMD_STA BIT(27) +#define PCI_CFG_CMD_RTA BIT(28) +#define PCI_CFG_CMD_RMA BIT(29) +#define PCI_CFG_CMD_SSE BIT(30) +#define PCI_CFG_CMD_DPE BIT(31) + +/*DMACTRL DMA Control and status Register*/ +#define PCI_DMACTRL_APDCEN BIT(0) +#define PCI_DMACTRL_APDC0 BIT(4) +#define PCI_DMACTRL_APDE0 BIT(5) +#define PCI_DMACTRL_APDC1 BIT(6) +#define PCI_DMACTRL_APDE1 BIT(7) +#define PCI_DMACTRL_PADCEN BIT(8) +#define PCI_DMACTRL_PADC0 BIT(12) +#define PCI_DMACTRL_PADE0 BIT(13) +#define PCI_DMACTRL_PADC1 BIT(14) +#define PCI_DMACTRL_PADE1 BIT(15) + +#endif |
