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-rw-r--r--arch/powerpc/sysdev/fsl_pci.h136
1 files changed, 136 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/fsl_pci.h b/arch/powerpc/sysdev/fsl_pci.h
new file mode 100644
index 000000000..093a875d7
--- /dev/null
+++ b/arch/powerpc/sysdev/fsl_pci.h
@@ -0,0 +1,136 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * MPC85xx/86xx PCI Express structure define
+ *
+ * Copyright 2007,2011 Freescale Semiconductor, Inc
+ */
+
+#ifdef __KERNEL__
+#ifndef __POWERPC_FSL_PCI_H
+#define __POWERPC_FSL_PCI_H
+
+struct platform_device;
+
+
+/* FSL PCI controller BRR1 register */
+#define PCI_FSL_BRR1 0xbf8
+#define PCI_FSL_BRR1_VER 0xffff
+
+#define PCIE_LTSSM 0x0404 /* PCIE Link Training and Status */
+#define PCIE_LTSSM_L0 0x16 /* L0 state */
+#define PCIE_FSL_CSR_CLASSCODE 0x474 /* FSL GPEX CSR */
+#define PCIE_IP_REV_2_2 0x02080202 /* PCIE IP block version Rev2.2 */
+#define PCIE_IP_REV_3_0 0x02080300 /* PCIE IP block version Rev3.0 */
+#define PIWAR_EN 0x80000000 /* Enable */
+#define PIWAR_PF 0x20000000 /* prefetch */
+#define PIWAR_TGI_LOCAL 0x00f00000 /* target - local memory */
+#define PIWAR_READ_SNOOP 0x00050000
+#define PIWAR_WRITE_SNOOP 0x00005000
+#define PIWAR_SZ_MASK 0x0000003f
+
+#define PEX_PMCR_PTOMR 0x1
+#define PEX_PMCR_EXL2S 0x2
+
+#define PME_DISR_EN_PTOD 0x00008000
+#define PME_DISR_EN_ENL23D 0x00002000
+#define PME_DISR_EN_EXL23D 0x00001000
+
+/* PCI/PCI Express outbound window reg */
+struct pci_outbound_window_regs {
+ __be32 potar; /* 0x.0 - Outbound translation address register */
+ __be32 potear; /* 0x.4 - Outbound translation extended address register */
+ __be32 powbar; /* 0x.8 - Outbound window base address register */
+ u8 res1[4];
+ __be32 powar; /* 0x.10 - Outbound window attributes register */
+ u8 res2[12];
+};
+
+/* PCI/PCI Express inbound window reg */
+struct pci_inbound_window_regs {
+ __be32 pitar; /* 0x.0 - Inbound translation address register */
+ u8 res1[4];
+ __be32 piwbar; /* 0x.8 - Inbound window base address register */
+ __be32 piwbear; /* 0x.c - Inbound window base extended address register */
+ __be32 piwar; /* 0x.10 - Inbound window attributes register */
+ u8 res2[12];
+};
+
+/* PCI/PCI Express IO block registers for 85xx/86xx */
+struct ccsr_pci {
+ __be32 config_addr; /* 0x.000 - PCI/PCIE Configuration Address Register */
+ __be32 config_data; /* 0x.004 - PCI/PCIE Configuration Data Register */
+ __be32 int_ack; /* 0x.008 - PCI Interrupt Acknowledge Register */
+ __be32 pex_otb_cpl_tor; /* 0x.00c - PCIE Outbound completion timeout register */
+ __be32 pex_conf_tor; /* 0x.010 - PCIE configuration timeout register */
+ __be32 pex_config; /* 0x.014 - PCIE CONFIG Register */
+ __be32 pex_int_status; /* 0x.018 - PCIE interrupt status */
+ u8 res2[4];
+ __be32 pex_pme_mes_dr; /* 0x.020 - PCIE PME and message detect register */
+ __be32 pex_pme_mes_disr; /* 0x.024 - PCIE PME and message disable register */
+ __be32 pex_pme_mes_ier; /* 0x.028 - PCIE PME and message interrupt enable register */
+ __be32 pex_pmcr; /* 0x.02c - PCIE power management command register */
+ u8 res3[3016];
+ __be32 block_rev1; /* 0x.bf8 - PCIE Block Revision register 1 */
+ __be32 block_rev2; /* 0x.bfc - PCIE Block Revision register 2 */
+
+/* PCI/PCI Express outbound window 0-4
+ * Window 0 is the default window and is the only window enabled upon reset.
+ * The default outbound register set is used when a transaction misses
+ * in all of the other outbound windows.
+ */
+ struct pci_outbound_window_regs pow[5];
+ u8 res14[96];
+ struct pci_inbound_window_regs pmit; /* 0xd00 - 0xd9c Inbound MSI */
+ u8 res6[96];
+/* PCI/PCI Express inbound window 3-0
+ * inbound window 1 supports only a 32-bit base address and does not
+ * define an inbound window base extended address register.
+ */
+ struct pci_inbound_window_regs piw[4];
+
+ __be32 pex_err_dr; /* 0x.e00 - PCI/PCIE error detect register */
+ u8 res21[4];
+ __be32 pex_err_en; /* 0x.e08 - PCI/PCIE error interrupt enable register */
+ u8 res22[4];
+ __be32 pex_err_disr; /* 0x.e10 - PCI/PCIE error disable register */
+ u8 res23[12];
+ __be32 pex_err_cap_stat; /* 0x.e20 - PCI/PCIE error capture status register */
+ u8 res24[4];
+ __be32 pex_err_cap_r0; /* 0x.e28 - PCIE error capture register 0 */
+ __be32 pex_err_cap_r1; /* 0x.e2c - PCIE error capture register 0 */
+ __be32 pex_err_cap_r2; /* 0x.e30 - PCIE error capture register 0 */
+ __be32 pex_err_cap_r3; /* 0x.e34 - PCIE error capture register 0 */
+ u8 res_e38[200];
+ __be32 pdb_stat; /* 0x.f00 - PCIE Debug Status */
+ u8 res_f04[16];
+ __be32 pex_csr0; /* 0x.f14 - PEX Control/Status register 0*/
+#define PEX_CSR0_LTSSM_MASK 0xFC
+#define PEX_CSR0_LTSSM_SHIFT 2
+#define PEX_CSR0_LTSSM_L0 0x11
+ __be32 pex_csr1; /* 0x.f18 - PEX Control/Status register 1*/
+ u8 res_f1c[228];
+
+};
+
+extern int fsl_add_bridge(struct platform_device *pdev, int is_primary);
+extern void fsl_pcibios_fixup_bus(struct pci_bus *bus);
+extern void fsl_pcibios_fixup_phb(struct pci_controller *phb);
+extern int mpc83xx_add_bridge(struct device_node *dev);
+u64 fsl_pci_immrbar_base(struct pci_controller *hose);
+
+extern struct device_node *fsl_pci_primary;
+
+#ifdef CONFIG_PCI
+void __init fsl_pci_assign_primary(void);
+#else
+static inline void fsl_pci_assign_primary(void) {}
+#endif
+
+#ifdef CONFIG_FSL_PCI
+extern int fsl_pci_mcheck_exception(struct pt_regs *);
+#else
+static inline int fsl_pci_mcheck_exception(struct pt_regs *regs) {return 0; }
+#endif
+
+#endif /* __POWERPC_FSL_PCI_H */
+#endif /* __KERNEL__ */