/*
* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.
*
* Copyright 2004 IDT Inc. (rischelp@idt.com)
*
* Initial Release
*/
#ifndef _ASM_RC32434_PCI_H_
#define _ASM_RC32434_PCI_H_
#define epld_mask ((volatile unsigned char *)0xB900000d)
#define PCI0_BASE_ADDR 0x18080000
#define PCI_LBA_COUNT 4
struct pci_map {
u32 address; /* Address. */
u32 control; /* Control. */
u32 mapping; /* mapping. */
};
struct pci_reg {
u32 pcic;
u32 pcis;
u32 pcism;
u32 pcicfga;
u32 pcicfgd;
volatile struct pci_map pcilba[PCI_LBA_COUNT];
u32 pcidac;
u32 pcidas;
u32 pcidasm;
u32 pcidad;
u32 pcidma8c;
u32 pcidma9c;
u32 pcitc;
};
#define PCI_MSU_COUNT 2
struct pci_msu {
u32 pciim[PCI_MSU_COUNT];
u32 pciom[PCI_MSU_COUNT];
u32 pciid;
u32 pciiic;
u32 pciiim;
u32 pciiod;
u32 pciioic;
u32 pciioim;
};
/*
* PCI Control Register
*/
#define PCI_CTL_EN (1 << 0)
#define PCI_CTL_TNR (1 << 1)
#define PCI_CTL_SCE (1 << 2)
#define PCI_CTL_IEN (1 << 3)
#define PCI_CTL_AAA (1 << 4)
#define PCI_CTL_EAP (1 << 5)
#define PCI_CTL_PCIM_BIT 6
#define PCI_CTL_PCIM 0x000001c0
#define PCI_CTL_PCIM_DIS 0
#define PCI_CTL_PCIM_TNR 1 /* Satellite - target not ready */
#define PCI_CTL_PCIM_SUS 2 /* Satellite - suspended CPU. */
#define PCI_CTL_PCIM_EXT 3 /* Host - external arbiter. */
#define PCI_CTL PCIM_PRIO 4 /* Host - fixed priority arb. */
#define PCI_CTL_PCIM_RR 5 /* Host - round robin priority. */
#define PCI_CTL_PCIM_RSVD6 6
#define PCI_CTL_PCIM_RSVD7 7
#define PCI_CTL_IGM (1 << 9)
/*
* PCI Status Register
*/
#define PCI_STAT_EED (1 << 0)
#define PCI_STAT_WR (1 << 1)
#define PCI_STAT_NMI (1 << 2)
#define PCI_STAT_II (1 << 3)
#define PCI_STAT_CWE (1 << 4)
#define PCI_STAT_CRE (1 << 5)
#define PCI_STAT_MDPE (1 << 6)
#define PCI_STAT_STA (1 << 7)
#define PCI_STAT_RTA (1 << 8)
#define PCI_STAT_RMA (1 << 9)
#define PCI_STAT_SSE (1 << 10)
#define PCI_STAT_OSE (1 << 11)
#define PCI_STAT_PE (1 << 12)
#define PCI_STAT_TAE (1 << 13)
#define PCI_STAT_RLE (1 << 14)
#define PCI_STAT_BME (1 << 15)
#define PCI_STAT_PRD (1 << 16)
#define PCI_STAT_RIP (1 << 17)
/*
* PCI Status Mask Register
*/
#define PCI_STATM_EED PCI_STAT_EED
#define PCI_STATM_WR PCI_STAT_WR
#define PCI_STATM_NMI PCI_STAT_NMI
#define PCI_STATM_II PCI_STAT_II
#define PCI_STATM_CWE PCI_STAT_CWE
#define PCI_STATM_CRE PCI_STAT_CRE
#define PCI_STATM_MDPE PCI_STAT_MDPE
#define PCI_STATM_STA PCI_STAT_STA
#define PCI_STATM_RTA PCI_STAT_RTA
#define PCI_STATM_RMA PCI_STAT_RMA
#define PCI_STATM_SSE PCI_STAT_SSE
#define PCI_STATM_OSE PCI_STAT_OSE
#define PCI_STATM_PE PCI_STAT_PE
#define PCI_STATM_TAE PCI_STAT_TAE
#define PCI_STATM_RLE PCI_STAT_RLE
#define PCI_STATM_BME PCI_STAT_BME
#define PCI_STATM_PRD PCI_STAT_PRD
#define PCI_STATM_RIP PCI_STAT_RIP
/*
* PCI Configuration Address Register
*/
#define PCI_CFGA_REG_BIT 2
#define PCI_CFGA_REG 0x000000fc
#define PCI_CFGA_REG_ID (0x00 >> 2) /* use PCFGID */
#define PCI_CFGA_REG_04 (0x04 >> 2) /* use PCFG04_ */
#define PCI_CFGA_REG_08 (0x08 >> 2) /* use PCFG08_ */
#define PCI_CFGA_REG_0C (0x0C >> 2) /* use PCFG0C_ */
#define PCI_CFGA_REG_PBA0 (0x10 >> 2) /* use PCIPBA_ */
#define PCI_CFGA_REG_PBA1 (0x14 >> 2) /* use PCIPBA_ */
#define PCI_CFGA_REG_PBA2 (0x18 >> 2) /* use PCIPBA_ */
#define PCI_CFGA_REG_PBA3 (0x1c >> 2) /* use PCIPBA_ */
#define PCI_CFGA_REG_SUBSYS (0x2c >> 2) /* use PCFGSS_ */
#define PCI_CFGA_REG_3C (0x3C >> 2) /* use PCFG3C_ */
#define PCI_CFGA_REG_PBBA0C (0x44 >> 2) /* use PCIPBAC_ */
#define PCI_CFGA_REG_PBA0M (0x48 >> 2)
#define PCI_CFGA_REG_PBA1C (0x4c >> 2) /* use PCIPBAC_ */
#define PCI_CFGA_REG_PBA1M (0x50 >> 2)
#define PCI_CFGA_REG_PBA2C (0x54 >> 2) /* use PCIPBAC_ */
#define PCI_CFGA_REG_PBA2M (0x58 >> 2)
#define PCI_CFGA_REG_PBA3C (0x5c >> 2) /* use PCIPBAC_ */
#define PCI_CFGA_REG_PBA3M (0x60 >> 2)
#define PCI_CFGA_REG_PMGT (0x64 >> 2)
#define PCI_CFGA_FUNC_BIT 8
#define PCI_CFGA_FUNC 0x00000700
#define PCI_CFGA_DEV_BIT 11
#define PCI_CFGA_DEV 0x0000f800
#define PCI_CFGA_DEV_INTERN 0
#define PCI_CFGA_BUS_BIT 16
#define PCI CFGA_BUS 0x00ff0000
#define PCI_CFGA_BUS_TYPE0 0
#define PCI_CFGA_EN (1 << 31)
/* PCI CFG04 commands */
#define PCI_CFG04_CMD_IO_ENA (1 << 0)
#define PCI_CFG04_CMD_MEM_ENA (1 << 1)
#define PCI_CFG04_CMD_BM_ENA (1 << 2)
#define PCI_CFG04_CMD_MW_INV (1 << 4)
#define PCI_CFG04_CMD_PAR_ENA (1 << 6)
#define PCI_CFG04_CMD_SER_ENA (1 << 8)
#define PCI_CFG04_CMD_FAST_ENA (1 << 9)
/* PCI CFG04 status fields */
#define PCI_CFG04_STAT_BIT 16
#define PCI_CFG04_STAT 0xffff0000
#define PCI_CFG04_STAT_66_MHZ (1 << 21)
#define PCI_CFG04_STAT_FBB (1 << 23)
#define PCI_CFG04_STAT_MDPE (1 << 24)
#define PCI_CFG04_STAT_DST (1 << 25)
#define PCI_CFG04_STAT_STA (1 << 27)
#define PCI_CFG04_STAT_RTA (1 << 28)
#define PCI_CFG04_STAT_RMA (1 << 29)
#define PCI_CFG04_STAT_SSE (1 << 30)
#define PCI_CFG04_STAT_PE (1 << 31)
#define PCI_PBA_MSI (1 << 0)
#define PCI_PBA_P (1 << 2)
/* PCI PBAC registers */
#define PCI_PBAC_MSI (1 << 0)
#define PCI_PBAC_P (1 << 1)
#define PCI_PBAC_SIZE_BIT 2
#define PCI_PBAC_SIZE 0x0000007c
#define PCI_PBAC_SB (1 << 7)
#define PCI_PBAC_PP (1 << 8)
#define PCI_PBAC_MR_BIT 9
#define PCI_PBAC_MR 0x00000600
#define PCI_PBAC_MR_RD 0
#define PCI_PBAC_MR_RD_LINE 1
#define PCI_PBAC_MR_RD_MULT 2
#define PCI_PBAC_MRL (1 << 11)
#define PCI_PBAC_MRM (1 << 12)
#define PCI_PBAC_TRP (1 << 13)
#define PCI_CFG40_TRDY_TIM 0x000000ff
#define PCI_CFG40_RET_LIM 0x0000ff00
/*
* PCI Local Base Address [0|1|2|3] Register
*/
#define PCI_LBA_BADDR_BIT 0
#define PCI_LBA_BADDR 0xffffff00
/*
* PCI Local Base Address Control Register
*/
#define PCI_LBAC_MSI (1 << 0)
#define PCI_LBAC_MSI_MEM 0
#define PCI_LBAC_MSI_IO 1
#define PCI_LBAC_SIZE_BIT 2
#define PCI_LBAC_SIZE 0x0000007c
#define PCI_LBAC_SB (1 << 7)
#define PCI_LBAC_RT (1 << 8)
#define PCI_LBAC_RT_NO_PREF 0
#define PCI_LBAC_RT_PREF 1
/*
* PCI Local Base Address [0|1|2|3] Mapping Register
*/
#define PCI_LBAM_MADDR_BIT 8
#define PCI_LBAM_MADDR 0xffffff00
/*
* PCI Decoupled Access Control Register
*/
#define PCI_DAC_DEN (1 << 0)
/*
* PCI Decoupled Access Status Register
*/
#define PCI_DAS_D (1 << 0)
#define PCI_DAS_B (1 << 1)
#define PCI_DAS_E (1 << 2)
#define PCI_DAS_OFE (1 << 3)
#define PCI_DAS_OFF (1 << 4)
#define PCI_DAS_IFE (1 << 5)
#define PCI_DAS_IFF (1 << 6)
/*
* PCI DMA Channel 8 Configuration Register
*/
#define PCI_DMA8C_MBS_BIT 0
#define PCI_DMA8C_MBS 0x00000fff /* Maximum Burst Size. */
#define PCI_DMA8C_OUR (1 << 12)
/*
* PCI DMA Channel 9 Configuration Register
*/
#define PCI_DMA9C_MBS_BIT 0 /* Maximum Burst Size. */
#define PCI_DMA9C_MBS 0x00000fff
/*
* PCI to Memory(DMA Channel 8) AND Memory to PCI DMA(DMA Channel 9)Descriptors
*/
#define PCI_DMAD_PT_BIT 22 /* in DEVCMD field (descriptor) */
#define PCI_DMAD_PT 0x00c00000 /* preferred transaction field */
/* These are for reads (DMA channel 8) */
#define PCI_DMAD_DEVCMD_MR 0 /* memory read */
#define PCI_DMAD_DEVCMD_MRL 1 /* memory read line */
#define PCI_DMAD_DEVCMD_MRM 2 /* memory read multiple */
#define PCI_DMAD_DEVCMD_IOR 3 /* I/O read */
/* These are for writes (DMA channel 9) */
#define PCI_DMAD_DEVCMD_MW 0 /* memory write */
#define PCI_DMAD_DEVCMD_MWI 1 /* memory write invalidate */
#define PCI_DMAD_DEVCMD_IOW 3 /* I/O write */
/* Swap byte field applies to both DMA channel 8 and 9 */
#define PCI_DMAD_SB (1 << 24) /* swap byte field */
/*
* PCI Target Control Register
*/
#define PCI_TC_RTIMER_BIT 0
#define PCI_TC_RTIMER 0x000000ff
#define PCI_TC_DTIMER_BIT 8
#define PCI_TC_DTIMER 0x0000ff00
#define PCI_TC_RDR (1 << 18)
#define PCI_TC_DDT (1 << 19)
/*
* PCI messaging unit [applies to both inbound and outbound registers ]
*/
#define PCI_MSU_M0 (1 << 0)
#define PCI_MSU_M1 (1 << 1)
#define PCI_MSU_DB (1 << 2)
#define PCI_MSG_ADDR 0xB8088010
#define PCI0_ADDR 0xB8080000
#define rc32434_pci ((struct pci_reg *) PCI0_ADDR)
#define rc32434_pci_msg ((struct pci_msu *) PCI_MSG_ADDR)
#define PCIM_SHFT 0x6
#define PCIM_BIT_LEN 0x7
#define PCIM_H_EA 0x3
#define PCIM_H_IA_FIX 0x4
#define PCIM_H_IA_RR 0x5
#if 0
#define PCI_ADDR_START 0x13000000
#endif
#define PCI_ADDR_START 0x50000000
#define CPUTOPCI_MEM_WIN 0x02000000
#define CPUTOPCI_IO_WIN 0x00100000
#define PCILBA_SIZE_SHFT 2
#define PCILBA_SIZE_MASK 0x1F
#define SIZE_256MB 0x1C
#define SIZE_128MB 0x1B
#define SIZE_64MB 0x1A
#define SIZE_32MB 0x19
#define SIZE_16MB 0x18
#define SIZE_4MB 0x16
#define SIZE_2MB 0x15
#define SIZE_1MB 0x14
#define KORINA_CONFIG0_ADDR 0x80000000
#define KORINA_CONFIG1_ADDR 0x80000004
#define KORINA_CONFIG2_ADDR 0x80000008
#define KORINA_CONFIG3_ADDR 0x8000000C
#define KORINA_CONFIG4_ADDR 0x80000010
#define KORINA_CONFIG5_ADDR 0x80000014
#define KORINA_CONFIG6_ADDR 0x80000018
#define KORINA_CONFIG7_ADDR 0x8000001C
#define KORINA_CONFIG8_ADDR 0x80000020
#define KORINA_CONFIG9_ADDR 0x80000024
#define KORINA_CONFIG10_ADDR 0x80000028
#define KORINA_CONFIG11_ADDR 0x8000002C
#define KORINA_CONFIG12_ADDR 0x80000030
#define KORINA_CONFIG13_ADDR 0x80000034
#define KORINA_CONFIG14_ADDR 0x80000038
#define KORINA_CONFIG15_ADDR 0x8000003C
#define KORINA_CONFIG16_ADDR 0x80000040
#define KORINA_CONFIG17_ADDR 0x80000044
#define KORINA_CONFIG18_ADDR 0x80000048
#define KORINA_CONFIG19_ADDR 0x8000004C
#define KORINA_CONFIG20_ADDR 0x80000050
#define KORINA_CONFIG21_ADDR 0x80000054
#define KORINA_CONFIG22_ADDR 0x80000058
#define KORINA_CONFIG23_ADDR 0x8000005C
#define KORINA_CONFIG24_ADDR 0x80000060
#define KORINA_CONFIG25_ADDR 0x80000064
#define KORINA_CMD (PCI_CFG04_CMD_IO_ENA | \
PCI_CFG04_CMD_MEM_ENA | \
PCI_CFG04_CMD_BM_ENA | \
PCI_CFG04_CMD_MW_INV | \
PCI_CFG04_CMD_PAR_ENA | \
PCI_CFG04_CMD_SER_ENA)
#define KORINA_STAT (PCI_CFG04_STAT_MDPE | \
PCI_CFG04_STAT_STA | \
PCI_CFG04_STAT_RTA | \
PCI_CFG04_STAT_RMA | \
PCI_CFG04_STAT_SSE | \
PCI_CFG04_STAT_PE)
#define KORINA_CNFG1 ((KORINA_STAT<<16)|KORINA_CMD)
#define KORINA_REVID 0
#define KORINA_CLASS_CODE 0
#define KORINA_CNFG2 ((KORINA_CLASS_CODE<<8) | \
KORINA_REVID)
#define KORINA_CACHE_LINE_SIZE 4
#define KORINA_MASTER_LAT 0x3c
#define KORINA_HEADER_TYPE 0
#define KORINA_BIST 0
#define KORINA_CNFG3 ((KORINA_BIST << 24) | \
(KORINA_HEADER_TYPE<<16) | \
(KORINA_MASTER_LAT<<8) | \
KORINA_CACHE_LINE_SIZE)
#define KORINA_BAR0 0x00000008 /* 128 MB Memory */
#define KORINA_BAR1 0x18800001 /* 1 MB IO */
#define KORINA_BAR2 0x18000001 /* 2 MB IO window for Korina
internal Registers */
#define KORINA_BAR3 0x48000008 /* Spare 128 MB Memory */
#define KORINA_CNFG4 KORINA_BAR0
#define KORINA_CNFG5 KORINA_BAR1
#define KORINA_CNFG6 KORINA_BAR2
#define KORINA_CNFG7 KORINA_BAR3
#define KORINA_SUBSYS_VENDOR_ID 0x011d
#define KORINA_SUBSYSTEM_ID 0x0214
#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
#define KORINA_INT_PIN 1
#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 */