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/*
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Roland Dreier <rolandd@cisco.com>
*
* 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.
*/
#include <ppc4xx.h>
#ifndef __4XX_PCIE_H
#define __4XX_PCIE_H
#define DCRN_SDR0_CFGADDR 0x00e
#define DCRN_SDR0_CFGDATA 0x00f
#if defined(CONFIG_440SPE)
#define CFG_PCIE_NR_PORTS 3
#define CFG_PCIE_ADDR_HIGH 0x0000000d
#define DCRN_PCIE0_BASE 0x100
#define DCRN_PCIE1_BASE 0x120
#define DCRN_PCIE2_BASE 0x140
#define PCIE0_SDR 0x300
#define PCIE1_SDR 0x340
#define PCIE2_SDR 0x370
#endif
#if defined(CONFIG_405EX)
#define CFG_PCIE_NR_PORTS 2
#define CFG_PCIE_ADDR_HIGH 0x00000000
#define DCRN_PCIE0_BASE 0x040
#define DCRN_PCIE1_BASE 0x060
#define PCIE0_SDR 0x400
#define PCIE1_SDR 0x440
#endif
#define PCIE0 DCRN_PCIE0_BASE
#define PCIE1 DCRN_PCIE1_BASE
#define PCIE2 DCRN_PCIE2_BASE
#define DCRN_PEGPL_CFGBAH(base) (base + 0x00)
#define DCRN_PEGPL_CFGBAL(base) (base + 0x01)
#define DCRN_PEGPL_CFGMSK(base) (base + 0x02)
#define DCRN_PEGPL_MSGBAH(base) (base + 0x03)
#define DCRN_PEGPL_MSGBAL(base) (base + 0x04)
#define DCRN_PEGPL_MSGMSK(base) (base + 0x05)
#define DCRN_PEGPL_OMR1BAH(base) (base + 0x06)
#define DCRN_PEGPL_OMR1BAL(base) (base + 0x07)
#define DCRN_PEGPL_OMR1MSKH(base) (base + 0x08)
#define DCRN_PEGPL_OMR1MSKL(base) (base + 0x09)
#define DCRN_PEGPL_REGBAH(base) (base + 0x12)
#define DCRN_PEGPL_REGBAL(base) (base + 0x13)
#define DCRN_PEGPL_REGMSK(base) (base + 0x14)
#define DCRN_PEGPL_SPECIAL(base) (base + 0x15)
#define DCRN_PEGPL_CFG(base) (base + 0x16)
/*
* System DCRs (SDRs)
*/
#define PESDR0_PLLLCT1 0x03a0
#define PESDR0_PLLLCT2 0x03a1
#define PESDR0_PLLLCT3 0x03a2
/* common regs, at least for 405EX and 440SPe */
#define SDRN_PESDR_UTLSET1(n) (sdr_base(n) + 0x00)
#define SDRN_PESDR_UTLSET2(n) (sdr_base(n) + 0x01)
#define SDRN_PESDR_DLPSET(n) (sdr_base(n) + 0x02)
#define SDRN_PESDR_LOOP(n) (sdr_base(n) + 0x03)
#define SDRN_PESDR_RCSSET(n) (sdr_base(n) + 0x04)
#define SDRN_PESDR_RCSSTS(n) (sdr_base(n) + 0x05)
#if defined(CONFIG_440SPE)
#define SDRN_PESDR_HSSL0SET1(n) (sdr_base(n) + 0x06)
#define SDRN_PESDR_HSSL0SET2(n) (sdr_base(n) + 0x07)
#define SDRN_PESDR_HSSL0STS(n) (sdr_base(n) + 0x08)
#define SDRN_PESDR_HSSL1SET1(n) (sdr_base(n) + 0x09)
#define SDRN_PESDR_HSSL1SET2(n) (sdr_base(n) + 0x0a)
#define SDRN_PESDR_HSSL1STS(n) (sdr_base(n) + 0x0b)
#define SDRN_PESDR_HSSL2SET1(n) (sdr_base(n) + 0x0c)
#define SDRN_PESDR_HSSL2SET2(n) (sdr_base(n) + 0x0d)
#define SDRN_PESDR_HSSL2STS(n) (sdr_base(n) + 0x0e)
#define SDRN_PESDR_HSSL3SET1(n) (sdr_base(n) + 0x0f)
#define SDRN_PESDR_HSSL3SET2(n) (sdr_base(n) + 0x10)
#define SDRN_PESDR_HSSL3STS(n) (sdr_base(n) + 0x11)
#define PESDR0_UTLSET1 0x0300
#define PESDR0_UTLSET2 0x0301
#define PESDR0_DLPSET 0x0302
#define PESDR0_LOOP 0x0303
#define PESDR0_RCSSET 0x0304
#define PESDR0_RCSSTS 0x0305
#define PESDR0_HSSL0SET1 0x0306
#define PESDR0_HSSL0SET2 0x0307
#define PESDR0_HSSL0STS 0x0308
#define PESDR0_HSSL1SET1 0x0309
#define PESDR0_HSSL1SET2 0x030a
#define PESDR0_HSSL1STS 0x030b
#define PESDR0_HSSL2SET1 0x030c
#define PESDR0_HSSL2SET2 0x030d
#define PESDR0_HSSL2STS 0x030e
#define PESDR0_HSSL3SET1 0x030f
#define PESDR0_HSSL3SET2 0x0310
#define PESDR0_HSSL3STS 0x0311
#define PESDR0_HSSL4SET1 0x0312
#define PESDR0_HSSL4SET2 0x0313
#define PESDR0_HSSL4STS 0x0314
#define PESDR0_HSSL5SET1 0x0315
#define PESDR0_HSSL5SET2 0x0316
#define PESDR0_HSSL5STS 0x0317
#define PESDR0_HSSL6SET1 0x0318
#define PESDR0_HSSL6SET2 0x0319
#define PESDR0_HSSL6STS 0x031a
#define PESDR0_HSSL7SET1 0x031b
#define PESDR0_HSSL7SET2 0x031c
#define PESDR0_HSSL7STS 0x031d
#define PESDR0_HSSCTLSET 0x031e
#define PESDR0_LANE_ABCD 0x031f
#define PESDR0_LANE_EFGH 0x0320
#define PESDR1_UTLSET1 0x0340
#define PESDR1_UTLSET2 0x0341
#define PESDR1_DLPSET 0x0342
#define PESDR1_LOOP 0x0343
#define PESDR1_RCSSET 0x0344
#define PESDR1_RCSSTS 0x0345
#define PESDR1_HSSL0SET1 0x0346
#define PESDR1_HSSL0SET2 0x0347
#define PESDR1_HSSL0STS 0x0348
#define PESDR1_HSSL1SET1 0x0349
#define PESDR1_HSSL1SET2 0x034a
#define PESDR1_HSSL1STS 0x034b
#define PESDR1_HSSL2SET1 0x034c
#define PESDR1_HSSL2SET2 0x034d
#define PESDR1_HSSL2STS 0x034e
#define PESDR1_HSSL3SET1 0x034f
#define PESDR1_HSSL3SET2 0x0350
#define PESDR1_HSSL3STS 0x0351
#define PESDR1_HSSCTLSET 0x0352
#define PESDR1_LANE_ABCD 0x0353
#define PESDR2_UTLSET1 0x0370
#define PESDR2_UTLSET2 0x0371
#define PESDR2_DLPSET 0x0372
#define PESDR2_LOOP 0x0373
#define PESDR2_RCSSET 0x0374
#define PESDR2_RCSSTS 0x0375
#define PESDR2_HSSL0SET1 0x0376
#define PESDR2_HSSL0SET2 0x0377
#define PESDR2_HSSL0STS 0x0378
#define PESDR2_HSSL1SET1 0x0379
#define PESDR2_HSSL1SET2 0x037a
#define PESDR2_HSSL1STS 0x037b
#define PESDR2_HSSL2SET1 0x037c
#define PESDR2_HSSL2SET2 0x037d
#define PESDR2_HSSL2STS 0x037e
#define PESDR2_HSSL3SET1 0x037f
#define PESDR2_HSSL3SET2 0x0380
#define PESDR2_HSSL3STS 0x0381
#define PESDR2_HSSCTLSET 0x0382
#define PESDR2_LANE_ABCD 0x0383
#elif defined(CONFIG_405EX)
#define SDRN_PESDR_PHYSET1(n) (sdr_base(n) + 0x06)
#define SDRN_PESDR_PHYSET2(n) (sdr_base(n) + 0x07)
#define SDRN_PESDR_BIST(n) (sdr_base(n) + 0x08)
#define SDRN_PESDR_LPB(n) (sdr_base(n) + 0x0b)
#define SDRN_PESDR_PHYSTA(n) (sdr_base(n) + 0x0c)
#define PESDR0_UTLSET1 0x0400
#define PESDR0_UTLSET2 0x0401
#define PESDR0_DLPSET 0x0402
#define PESDR0_LOOP 0x0403
#define PESDR0_RCSSET 0x0404
#define PESDR0_RCSSTS 0x0405
#define PESDR0_PHYSET1 0x0406
#define PESDR0_PHYSET2 0x0407
#define PESDR0_BIST 0x0408
#define PESDR0_LPB 0x040B
#define PESDR0_PHYSTA 0x040C
#define PESDR1_UTLSET1 0x0440
#define PESDR1_UTLSET2 0x0441
#define PESDR1_DLPSET 0x0442
#define PESDR1_LOOP 0x0443
#define PESDR1_RCSSET 0x0444
#define PESDR1_RCSSTS 0x0445
#define PESDR1_PHYSET1 0x0446
#define PESDR1_PHYSET2 0x0447
#define PESDR1_BIST 0x0448
#define PESDR1_LPB 0x044B
#define PESDR1_PHYSTA 0x044C
#endif
/*
* UTL register offsets
*/
#define PEUTL_PBBSZ 0x20
#define PEUTL_OPDBSZ 0x68
#define PEUTL_IPHBSZ 0x70
#define PEUTL_IPDBSZ 0x78
#define PEUTL_OUTTR 0x90
#define PEUTL_INTR 0x98
#define PEUTL_PCTL 0xa0
#define PEUTL_RCIRQEN 0xb8
/*
* Config space register offsets
*/
#define PECFG_BAR0LMPA 0x210
#define PECFG_BAR0HMPA 0x214
#define PECFG_BAR1MPA 0x218
#define PECFG_BAR2MPA 0x220
#define PECFG_PIMEN 0x33c
#define PECFG_PIM0LAL 0x340
#define PECFG_PIM0LAH 0x344
#define PECFG_PIM1LAL 0x348
#define PECFG_PIM1LAH 0x34c
#define PECFG_PIM01SAL 0x350
#define PECFG_PIM01SAH 0x354
#define PECFG_POM0LAL 0x380
#define PECFG_POM0LAH 0x384
#define SDR_READ(offset) ({\
mtdcr(DCRN_SDR0_CFGADDR, offset); \
mfdcr(DCRN_SDR0_CFGDATA);})
#define SDR_WRITE(offset, data) ({\
mtdcr(DCRN_SDR0_CFGADDR, offset); \
mtdcr(DCRN_SDR0_CFGDATA,data);})
#define GPL_DMER_MASK_DISA 0x02000000
#define U64_TO_U32_LOW(val) ((u32)((val) & 0x00000000ffffffffULL))
#define U64_TO_U32_HIGH(val) ((u32)((val) >> 32))
int ppc4xx_init_pcie(void);
int ppc4xx_init_pcie_rootport(int port);
int ppc4xx_init_pcie_endport(int port);
void ppc4xx_setup_pcie_rootpoint(struct pci_controller *hose, int port);
int ppc4xx_setup_pcie_endpoint(struct pci_controller *hose, int port);
int pcie_hose_scan(struct pci_controller *hose, int bus);
static inline void mdelay(int n)
{
u32 ms = n;
while (ms--)
udelay(1000);
}
static inline u32 sdr_base(int port)
{
switch (port) {
default: /* to satisfy compiler */
case 0:
return PCIE0_SDR;
case 1:
return PCIE1_SDR;
#if CFG_PCIE_NR_PORTS > 2
case 2:
return PCIE2_SDR;
#endif
}
}
#endif /* __4XX_PCIE_H */
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