Add support for PCI-Express on PPC440SPe (Yucca board).

1 files changed, 162 insertions, 0 deletions

diff --git a/cpu/ppc4xx/440spe_pcie.h b/cpu/ppc4xx/440spe_pcie.h
new file mode 100644
index 0000000..47df762
--- /dev/null
+++ b/cpu/ppc4xx/440spe_pcie.h
@@ -0,0 +1,162 @@
+/*
+ * 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 __440SPE_PCIE_H
+#define __440SPE_PCIE_H
+
+#define mdelay(n) ({unsigned long __ms=(n); while (__ms--) udelay(1000);})
+
+#define DCRN_SDR0_CFGADDR	0x00e
+#define DCRN_SDR0_CFGDATA	0x00f
+
+#define DCRN_PCIE0_BASE		0x100
+#define DCRN_PCIE1_BASE		0x120
+#define DCRN_PCIE2_BASE		0x140
+#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)
+
+/*
+ * System DCRs (SDRs)
+ */
+#define PESDR0_PLLLCT1		0x03a0
+#define PESDR0_PLLLCT2		0x03a1
+#define PESDR0_PLLLCT3		0x03a2
+
+#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
+
+/*
+ * 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_PIMEN		0x33c
+#define PECFG_PIM0LAL		0x340
+#define PECFG_PIM0LAH		0x344
+#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);})
+
+int ppc440spe_init_pcie(void);
+int ppc440spe_init_pcie_rootport(int port);
+void yucca_setup_pcie_fpga_rootpoint(int port);
+void ppc440spe_setup_pcie(struct pci_controller *hose, int port);
+int yucca_pcie_card_present(int port);
+int pcie_hose_scan(struct pci_controller *hose, int bus);
+#endif /* __440SPE_PCIE_H */