479 lines
14 KiB
C
479 lines
14 KiB
C
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Copyright 2004 IDT Inc. (rischelp@idt.com)
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*
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* Initial Release
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*/
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#ifndef _ASM_RC32434_PCI_H_
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#define _ASM_RC32434_PCI_H_
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#define epld_mask ((volatile unsigned char *)0xB900000d)
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#define PCI0_BASE_ADDR 0x18080000
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#define PCI_LBA_COUNT 4
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struct pci_map {
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u32 address; /* Address. */
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u32 control; /* Control. */
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u32 mapping; /* mapping. */
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};
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struct pci_reg {
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u32 pcic;
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u32 pcis;
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u32 pcism;
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u32 pcicfga;
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u32 pcicfgd;
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volatile struct pci_map pcilba[PCI_LBA_COUNT];
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u32 pcidac;
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u32 pcidas;
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u32 pcidasm;
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u32 pcidad;
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u32 pcidma8c;
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u32 pcidma9c;
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u32 pcitc;
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};
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#define PCI_MSU_COUNT 2
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struct pci_msu {
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u32 pciim[PCI_MSU_COUNT];
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u32 pciom[PCI_MSU_COUNT];
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u32 pciid;
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u32 pciiic;
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u32 pciiim;
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u32 pciiod;
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u32 pciioic;
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u32 pciioim;
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};
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/*
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* PCI Control Register
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*/
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#define PCI_CTL_EN (1 << 0)
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#define PCI_CTL_TNR (1 << 1)
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#define PCI_CTL_SCE (1 << 2)
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#define PCI_CTL_IEN (1 << 3)
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#define PCI_CTL_AAA (1 << 4)
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#define PCI_CTL_EAP (1 << 5)
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#define PCI_CTL_PCIM_BIT 6
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#define PCI_CTL_PCIM 0x000001c0
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#define PCI_CTL_PCIM_DIS 0
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#define PCI_CTL_PCIM_TNR 1 /* Satellite - target not ready */
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#define PCI_CTL_PCIM_SUS 2 /* Satellite - suspended CPU. */
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#define PCI_CTL_PCIM_EXT 3 /* Host - external arbiter. */
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#define PCI_CTL PCIM_PRIO 4 /* Host - fixed priority arb. */
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#define PCI_CTL_PCIM_RR 5 /* Host - round robin priority. */
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#define PCI_CTL_PCIM_RSVD6 6
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#define PCI_CTL_PCIM_RSVD7 7
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#define PCI_CTL_IGM (1 << 9)
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/*
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* PCI Status Register
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*/
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#define PCI_STAT_EED (1 << 0)
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#define PCI_STAT_WR (1 << 1)
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#define PCI_STAT_NMI (1 << 2)
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#define PCI_STAT_II (1 << 3)
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#define PCI_STAT_CWE (1 << 4)
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#define PCI_STAT_CRE (1 << 5)
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#define PCI_STAT_MDPE (1 << 6)
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#define PCI_STAT_STA (1 << 7)
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#define PCI_STAT_RTA (1 << 8)
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#define PCI_STAT_RMA (1 << 9)
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#define PCI_STAT_SSE (1 << 10)
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#define PCI_STAT_OSE (1 << 11)
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#define PCI_STAT_PE (1 << 12)
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#define PCI_STAT_TAE (1 << 13)
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#define PCI_STAT_RLE (1 << 14)
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#define PCI_STAT_BME (1 << 15)
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#define PCI_STAT_PRD (1 << 16)
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#define PCI_STAT_RIP (1 << 17)
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/*
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* PCI Status Mask Register
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*/
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#define PCI_STATM_EED PCI_STAT_EED
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#define PCI_STATM_WR PCI_STAT_WR
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#define PCI_STATM_NMI PCI_STAT_NMI
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#define PCI_STATM_II PCI_STAT_II
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#define PCI_STATM_CWE PCI_STAT_CWE
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#define PCI_STATM_CRE PCI_STAT_CRE
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#define PCI_STATM_MDPE PCI_STAT_MDPE
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#define PCI_STATM_STA PCI_STAT_STA
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#define PCI_STATM_RTA PCI_STAT_RTA
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#define PCI_STATM_RMA PCI_STAT_RMA
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#define PCI_STATM_SSE PCI_STAT_SSE
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#define PCI_STATM_OSE PCI_STAT_OSE
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#define PCI_STATM_PE PCI_STAT_PE
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#define PCI_STATM_TAE PCI_STAT_TAE
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#define PCI_STATM_RLE PCI_STAT_RLE
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#define PCI_STATM_BME PCI_STAT_BME
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#define PCI_STATM_PRD PCI_STAT_PRD
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#define PCI_STATM_RIP PCI_STAT_RIP
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/*
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* PCI Configuration Address Register
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*/
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#define PCI_CFGA_REG_BIT 2
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#define PCI_CFGA_REG 0x000000fc
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#define PCI_CFGA_REG_ID (0x00 >> 2) /* use PCFGID */
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#define PCI_CFGA_REG_04 (0x04 >> 2) /* use PCFG04_ */
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#define PCI_CFGA_REG_08 (0x08 >> 2) /* use PCFG08_ */
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#define PCI_CFGA_REG_0C (0x0C >> 2) /* use PCFG0C_ */
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#define PCI_CFGA_REG_PBA0 (0x10 >> 2) /* use PCIPBA_ */
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#define PCI_CFGA_REG_PBA1 (0x14 >> 2) /* use PCIPBA_ */
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#define PCI_CFGA_REG_PBA2 (0x18 >> 2) /* use PCIPBA_ */
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#define PCI_CFGA_REG_PBA3 (0x1c >> 2) /* use PCIPBA_ */
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#define PCI_CFGA_REG_SUBSYS (0x2c >> 2) /* use PCFGSS_ */
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#define PCI_CFGA_REG_3C (0x3C >> 2) /* use PCFG3C_ */
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#define PCI_CFGA_REG_PBBA0C (0x44 >> 2) /* use PCIPBAC_ */
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#define PCI_CFGA_REG_PBA0M (0x48 >> 2)
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#define PCI_CFGA_REG_PBA1C (0x4c >> 2) /* use PCIPBAC_ */
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#define PCI_CFGA_REG_PBA1M (0x50 >> 2)
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#define PCI_CFGA_REG_PBA2C (0x54 >> 2) /* use PCIPBAC_ */
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#define PCI_CFGA_REG_PBA2M (0x58 >> 2)
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#define PCI_CFGA_REG_PBA3C (0x5c >> 2) /* use PCIPBAC_ */
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#define PCI_CFGA_REG_PBA3M (0x60 >> 2)
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#define PCI_CFGA_REG_PMGT (0x64 >> 2)
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#define PCI_CFGA_FUNC_BIT 8
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#define PCI_CFGA_FUNC 0x00000700
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#define PCI_CFGA_DEV_BIT 11
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#define PCI_CFGA_DEV 0x0000f800
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#define PCI_CFGA_DEV_INTERN 0
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#define PCI_CFGA_BUS_BIT 16
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#define PCI CFGA_BUS 0x00ff0000
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#define PCI_CFGA_BUS_TYPE0 0
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#define PCI_CFGA_EN (1 << 31)
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/* PCI CFG04 commands */
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#define PCI_CFG04_CMD_IO_ENA (1 << 0)
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#define PCI_CFG04_CMD_MEM_ENA (1 << 1)
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#define PCI_CFG04_CMD_BM_ENA (1 << 2)
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#define PCI_CFG04_CMD_MW_INV (1 << 4)
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#define PCI_CFG04_CMD_PAR_ENA (1 << 6)
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#define PCI_CFG04_CMD_SER_ENA (1 << 8)
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#define PCI_CFG04_CMD_FAST_ENA (1 << 9)
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/* PCI CFG04 status fields */
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#define PCI_CFG04_STAT_BIT 16
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#define PCI_CFG04_STAT 0xffff0000
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#define PCI_CFG04_STAT_66_MHZ (1 << 21)
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#define PCI_CFG04_STAT_FBB (1 << 23)
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#define PCI_CFG04_STAT_MDPE (1 << 24)
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#define PCI_CFG04_STAT_DST (1 << 25)
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#define PCI_CFG04_STAT_STA (1 << 27)
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#define PCI_CFG04_STAT_RTA (1 << 28)
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#define PCI_CFG04_STAT_RMA (1 << 29)
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#define PCI_CFG04_STAT_SSE (1 << 30)
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#define PCI_CFG04_STAT_PE (1 << 31)
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#define PCI_PBA_MSI (1 << 0)
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#define PCI_PBA_P (1 << 2)
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/* PCI PBAC registers */
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#define PCI_PBAC_MSI (1 << 0)
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#define PCI_PBAC_P (1 << 1)
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#define PCI_PBAC_SIZE_BIT 2
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#define PCI_PBAC_SIZE 0x0000007c
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#define PCI_PBAC_SB (1 << 7)
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#define PCI_PBAC_PP (1 << 8)
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#define PCI_PBAC_MR_BIT 9
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#define PCI_PBAC_MR 0x00000600
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#define PCI_PBAC_MR_RD 0
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#define PCI_PBAC_MR_RD_LINE 1
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#define PCI_PBAC_MR_RD_MULT 2
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#define PCI_PBAC_MRL (1 << 11)
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#define PCI_PBAC_MRM (1 << 12)
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#define PCI_PBAC_TRP (1 << 13)
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#define PCI_CFG40_TRDY_TIM 0x000000ff
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#define PCI_CFG40_RET_LIM 0x0000ff00
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/*
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* PCI Local Base Address [0|1|2|3] Register
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*/
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#define PCI_LBA_BADDR_BIT 0
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#define PCI_LBA_BADDR 0xffffff00
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/*
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* PCI Local Base Address Control Register
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*/
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#define PCI_LBAC_MSI (1 << 0)
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#define PCI_LBAC_MSI_MEM 0
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#define PCI_LBAC_MSI_IO 1
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#define PCI_LBAC_SIZE_BIT 2
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#define PCI_LBAC_SIZE 0x0000007c
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#define PCI_LBAC_SB (1 << 7)
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#define PCI_LBAC_RT (1 << 8)
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#define PCI_LBAC_RT_NO_PREF 0
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#define PCI_LBAC_RT_PREF 1
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/*
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* PCI Local Base Address [0|1|2|3] Mapping Register
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*/
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#define PCI_LBAM_MADDR_BIT 8
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#define PCI_LBAM_MADDR 0xffffff00
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/*
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* PCI Decoupled Access Control Register
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*/
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#define PCI_DAC_DEN (1 << 0)
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/*
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* PCI Decoupled Access Status Register
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*/
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#define PCI_DAS_D (1 << 0)
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#define PCI_DAS_B (1 << 1)
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#define PCI_DAS_E (1 << 2)
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#define PCI_DAS_OFE (1 << 3)
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#define PCI_DAS_OFF (1 << 4)
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#define PCI_DAS_IFE (1 << 5)
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#define PCI_DAS_IFF (1 << 6)
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/*
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* PCI DMA Channel 8 Configuration Register
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*/
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#define PCI_DMA8C_MBS_BIT 0
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#define PCI_DMA8C_MBS 0x00000fff /* Maximum Burst Size. */
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#define PCI_DMA8C_OUR (1 << 12)
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/*
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* PCI DMA Channel 9 Configuration Register
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*/
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#define PCI_DMA9C_MBS_BIT 0 /* Maximum Burst Size. */
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#define PCI_DMA9C_MBS 0x00000fff
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/*
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* PCI to Memory(DMA Channel 8) AND Memory to PCI DMA(DMA Channel 9)Descriptors
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*/
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#define PCI_DMAD_PT_BIT 22 /* in DEVCMD field (descriptor) */
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#define PCI_DMAD_PT 0x00c00000 /* preferred transaction field */
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/* These are for reads (DMA channel 8) */
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#define PCI_DMAD_DEVCMD_MR 0 /* memory read */
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#define PCI_DMAD_DEVCMD_MRL 1 /* memory read line */
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#define PCI_DMAD_DEVCMD_MRM 2 /* memory read multiple */
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#define PCI_DMAD_DEVCMD_IOR 3 /* I/O read */
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/* These are for writes (DMA channel 9) */
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#define PCI_DMAD_DEVCMD_MW 0 /* memory write */
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#define PCI_DMAD_DEVCMD_MWI 1 /* memory write invalidate */
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#define PCI_DMAD_DEVCMD_IOW 3 /* I/O write */
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/* Swap byte field applies to both DMA channel 8 and 9 */
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#define PCI_DMAD_SB (1 << 24) /* swap byte field */
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/*
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* PCI Target Control Register
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*/
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#define PCI_TC_RTIMER_BIT 0
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#define PCI_TC_RTIMER 0x000000ff
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#define PCI_TC_DTIMER_BIT 8
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#define PCI_TC_DTIMER 0x0000ff00
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#define PCI_TC_RDR (1 << 18)
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#define PCI_TC_DDT (1 << 19)
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/*
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* PCI messaging unit [applies to both inbound and outbound registers ]
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*/
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#define PCI_MSU_M0 (1 << 0)
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#define PCI_MSU_M1 (1 << 1)
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#define PCI_MSU_DB (1 << 2)
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#define PCI_MSG_ADDR 0xB8088010
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#define PCI0_ADDR 0xB8080000
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#define rc32434_pci ((struct pci_reg *) PCI0_ADDR)
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#define rc32434_pci_msg ((struct pci_msu *) PCI_MSG_ADDR)
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#define PCIM_SHFT 0x6
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#define PCIM_BIT_LEN 0x7
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#define PCIM_H_EA 0x3
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#define PCIM_H_IA_FIX 0x4
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#define PCIM_H_IA_RR 0x5
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#define PCI_ADDR_START 0x50000000
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#define CPUTOPCI_MEM_WIN 0x02000000
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#define CPUTOPCI_IO_WIN 0x00100000
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#define PCILBA_SIZE_SHFT 2
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#define PCILBA_SIZE_MASK 0x1F
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#define SIZE_256MB 0x1C
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#define SIZE_128MB 0x1B
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#define SIZE_64MB 0x1A
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#define SIZE_32MB 0x19
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#define SIZE_16MB 0x18
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#define SIZE_4MB 0x16
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#define SIZE_2MB 0x15
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#define SIZE_1MB 0x14
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#define KORINA_CONFIG0_ADDR 0x80000000
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#define KORINA_CONFIG1_ADDR 0x80000004
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#define KORINA_CONFIG2_ADDR 0x80000008
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#define KORINA_CONFIG3_ADDR 0x8000000C
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#define KORINA_CONFIG4_ADDR 0x80000010
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#define KORINA_CONFIG5_ADDR 0x80000014
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#define KORINA_CONFIG6_ADDR 0x80000018
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#define KORINA_CONFIG7_ADDR 0x8000001C
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#define KORINA_CONFIG8_ADDR 0x80000020
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#define KORINA_CONFIG9_ADDR 0x80000024
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#define KORINA_CONFIG10_ADDR 0x80000028
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#define KORINA_CONFIG11_ADDR 0x8000002C
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#define KORINA_CONFIG12_ADDR 0x80000030
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#define KORINA_CONFIG13_ADDR 0x80000034
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#define KORINA_CONFIG14_ADDR 0x80000038
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#define KORINA_CONFIG15_ADDR 0x8000003C
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#define KORINA_CONFIG16_ADDR 0x80000040
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#define KORINA_CONFIG17_ADDR 0x80000044
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#define KORINA_CONFIG18_ADDR 0x80000048
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#define KORINA_CONFIG19_ADDR 0x8000004C
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#define KORINA_CONFIG20_ADDR 0x80000050
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#define KORINA_CONFIG21_ADDR 0x80000054
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#define KORINA_CONFIG22_ADDR 0x80000058
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#define KORINA_CONFIG23_ADDR 0x8000005C
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#define KORINA_CONFIG24_ADDR 0x80000060
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#define KORINA_CONFIG25_ADDR 0x80000064
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#define KORINA_CMD (PCI_CFG04_CMD_IO_ENA | \
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PCI_CFG04_CMD_MEM_ENA | \
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PCI_CFG04_CMD_BM_ENA | \
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PCI_CFG04_CMD_MW_INV | \
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PCI_CFG04_CMD_PAR_ENA | \
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PCI_CFG04_CMD_SER_ENA)
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#define KORINA_STAT (PCI_CFG04_STAT_MDPE | \
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PCI_CFG04_STAT_STA | \
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PCI_CFG04_STAT_RTA | \
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PCI_CFG04_STAT_RMA | \
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PCI_CFG04_STAT_SSE | \
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PCI_CFG04_STAT_PE)
|
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#define KORINA_CNFG1 (KORINA_STAT | KORINA_CMD)
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#define KORINA_REVID 0
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#define KORINA_CLASS_CODE 0
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#define KORINA_CNFG2 ((KORINA_CLASS_CODE<<8) | \
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KORINA_REVID)
|
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#define KORINA_CACHE_LINE_SIZE 4
|
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#define KORINA_MASTER_LAT 0x3c
|
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#define KORINA_HEADER_TYPE 0
|
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#define KORINA_BIST 0
|
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|
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#define KORINA_CNFG3 ((KORINA_BIST << 24) | \
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(KORINA_HEADER_TYPE<<16) | \
|
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(KORINA_MASTER_LAT<<8) | \
|
||
|
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KORINA_CACHE_LINE_SIZE)
|
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|
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|
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|
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#define KORINA_BAR0 0x00000008 /* 128 MB Memory */
|
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|
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#define KORINA_BAR1 0x18800001 /* 1 MB IO */
|
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|
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#define KORINA_BAR2 0x18000001 /* 2 MB IO window for Korina
|
||
|
|
internal Registers */
|
||
|
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#define KORINA_BAR3 0x48000008 /* Spare 128 MB Memory */
|
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|
|
|
||
|
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#define KORINA_CNFG4 KORINA_BAR0
|
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|
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#define KORINA_CNFG5 KORINA_BAR1
|
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|
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#define KORINA_CNFG6 KORINA_BAR2
|
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|
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#define KORINA_CNFG7 KORINA_BAR3
|
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|
|
|
||
|
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#define KORINA_SUBSYS_VENDOR_ID 0x011d
|
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|
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#define KORINA_SUBSYSTEM_ID 0x0214
|
||
|
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#define KORINA_CNFG8 0
|
||
|
|
#define KORINA_CNFG9 0
|
||
|
|
#define KORINA_CNFG10 0
|
||
|
|
#define KORINA_CNFG11 ((KORINA_SUBSYS_VENDOR_ID<<16) | \
|
||
|
|
KORINA_SUBSYSTEM_ID)
|
||
|
|
#define KORINA_INT_LINE 1
|
||
|
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#define KORINA_INT_PIN 1
|
||
|
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#define KORINA_MIN_GNT 8
|
||
|
|
#define KORINA_MAX_LAT 0x38
|
||
|
|
#define KORINA_CNFG12 0
|
||
|
|
#define KORINA_CNFG13 0
|
||
|
|
#define KORINA_CNFG14 0
|
||
|
|
#define KORINA_CNFG15 ((KORINA_MAX_LAT<<24) | \
|
||
|
|
(KORINA_MIN_GNT<<16) | \
|
||
|
|
(KORINA_INT_PIN<<8) | \
|
||
|
|
KORINA_INT_LINE)
|
||
|
|
#define KORINA_RETRY_LIMIT 0x80
|
||
|
|
#define KORINA_TRDY_LIMIT 0x80
|
||
|
|
#define KORINA_CNFG16 ((KORINA_RETRY_LIMIT<<8) | \
|
||
|
|
KORINA_TRDY_LIMIT)
|
||
|
|
#define PCI_PBAxC_R 0x0
|
||
|
|
#define PCI_PBAxC_RL 0x1
|
||
|
|
#define PCI_PBAxC_RM 0x2
|
||
|
|
#define SIZE_SHFT 2
|
||
|
|
|
||
|
|
#if defined(__MIPSEB__)
|
||
|
|
#define KORINA_PBA0C (PCI_PBAC_MRL | PCI_PBAC_SB | \
|
||
|
|
((PCI_PBAxC_RM & 0x3) << PCI_PBAC_MR_BIT) | \
|
||
|
|
PCI_PBAC_PP | \
|
||
|
|
(SIZE_128MB<<SIZE_SHFT) | \
|
||
|
|
PCI_PBAC_P)
|
||
|
|
#else
|
||
|
|
#define KORINA_PBA0C (PCI_PBAC_MRL | \
|
||
|
|
((PCI_PBAxC_RM & 0x3) << PCI_PBAC_MR_BIT) | \
|
||
|
|
PCI_PBAC_PP | \
|
||
|
|
(SIZE_128MB<<SIZE_SHFT) | \
|
||
|
|
PCI_PBAC_P)
|
||
|
|
#endif
|
||
|
|
#define KORINA_CNFG17 KORINA_PBA0C
|
||
|
|
#define KORINA_PBA0M 0x0
|
||
|
|
#define KORINA_CNFG18 KORINA_PBA0M
|
||
|
|
|
||
|
|
#if defined(__MIPSEB__)
|
||
|
|
#define KORINA_PBA1C ((SIZE_1MB<<SIZE_SHFT) | PCI_PBAC_SB | \
|
||
|
|
PCI_PBAC_MSI)
|
||
|
|
#else
|
||
|
|
#define KORINA_PBA1C ((SIZE_1MB<<SIZE_SHFT) | \
|
||
|
|
PCI_PBAC_MSI)
|
||
|
|
#endif
|
||
|
|
#define KORINA_CNFG19 KORINA_PBA1C
|
||
|
|
#define KORINA_PBA1M 0x0
|
||
|
|
#define KORINA_CNFG20 KORINA_PBA1M
|
||
|
|
|
||
|
|
#if defined(__MIPSEB__)
|
||
|
|
#define KORINA_PBA2C ((SIZE_2MB<<SIZE_SHFT) | PCI_PBAC_SB | \
|
||
|
|
PCI_PBAC_MSI)
|
||
|
|
#else
|
||
|
|
#define KORINA_PBA2C ((SIZE_2MB<<SIZE_SHFT) | \
|
||
|
|
PCI_PBAC_MSI)
|
||
|
|
#endif
|
||
|
|
#define KORINA_CNFG21 KORINA_PBA2C
|
||
|
|
#define KORINA_PBA2M 0x18000000
|
||
|
|
#define KORINA_CNFG22 KORINA_PBA2M
|
||
|
|
#define KORINA_PBA3C 0
|
||
|
|
#define KORINA_CNFG23 KORINA_PBA3C
|
||
|
|
#define KORINA_PBA3M 0
|
||
|
|
#define KORINA_CNFG24 KORINA_PBA3M
|
||
|
|
|
||
|
|
#define PCITC_DTIMER_VAL 8
|
||
|
|
#define PCITC_RTIMER_VAL 0x10
|
||
|
|
|
||
|
|
#endif /* __ASM_RC32434_PCI_H */
|