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authorwdenk <wdenk>2003-03-25 16:50:56 +0000
committerwdenk <wdenk>2003-03-25 16:50:56 +0000
commit4d75a504d00e65253229e1d1b798a7c37041f078 (patch)
tree47a665a7382343883c5d28c741c39d5c36d4a855 /include/asm-ppc
parent44e5c5c4f1b46991477140540b73df224eb1e4fc (diff)
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Add PCI support for MPC8250 Boards (PM825 module)
Diffstat (limited to 'include/asm-ppc')
-rw-r--r--include/asm-ppc/m8260_pci.h166
1 files changed, 166 insertions, 0 deletions
diff --git a/include/asm-ppc/m8260_pci.h b/include/asm-ppc/m8260_pci.h
new file mode 100644
index 0000000..2675658
--- /dev/null
+++ b/include/asm-ppc/m8260_pci.h
@@ -0,0 +1,166 @@
+
+#ifndef _PPC_KERNEL_M8260_PCI_H
+#define _PPC_KERNEL_M8260_PCI_H
+
+#define M8265_PCIBR0 0x101ac
+#define M8265_PCIBR1 0x101b0
+#define M8265_PCIMSK0 0x101c4
+#define M8265_PCIMSK1 0x101c8
+
+/* Bit definitions for PCIBR registers */
+
+#define PCIBR_ENABLE 0x00000001
+
+/* Bit definitions for PCIMSK registers */
+
+#define PCIMSK_32KB 0xFFFF8000 /* Size of window, smallest */
+#define PCIMSK_64KB 0xFFFF0000
+#define PCIMSK_128KB 0xFFFE0000
+#define PCIMSK_256KB 0xFFFC0000
+#define PCIMSK_512KB 0xFFF80000
+#define PCIMSK_1MB 0xFFF00000
+#define PCIMSK_2MB 0xFFE00000
+#define PCIMSK_4MB 0xFFC00000
+#define PCIMSK_8MB 0xFF800000
+#define PCIMSK_16MB 0xFF000000
+#define PCIMSK_32MB 0xFE000000
+#define PCIMSK_64MB 0xFC000000
+#define PCIMSK_128MB 0xF8000000
+#define PCIMSK_256MB 0xF0000000
+#define PCIMSK_512MB 0xE0000000
+#define PCIMSK_1GB 0xC0000000 /* Size of window, largest */
+
+
+#define M826X_SCCR_PCI_MODE_EN 0x100
+
+
+/*
+ * Outbound ATU registers (3 sets). These registers control how 60x bus (local)
+ * addresses are translated to PCI addresses when the MPC826x is a PCI bus
+ * master (initiator).
+ */
+
+#define POTAR_REG0 0x10800 /* PCI Outbound Translation Addr registers */
+#define POTAR_REG1 0x10818
+#define POTAR_REG2 0x10830
+
+#define POBAR_REG0 0x10808 /* PCI Outbound Base Addr registers */
+#define POBAR_REG1 0x10820
+#define POBAR_REG2 0x10838
+
+#define POCMR_REG0 0x10810 /* PCI Outbound Comparison Mask registers */
+#define POCMR_REG1 0x10828
+#define POCMR_REG2 0x10840
+
+/* Bit definitions for POMCR registers */
+
+#define POCMR_MASK_4KB 0x000FFFFF
+#define POCMR_MASK_8KB 0x000FFFFE
+#define POCMR_MASK_16KB 0x000FFFFC
+#define POCMR_MASK_32KB 0x000FFFF8
+#define POCMR_MASK_64KB 0x000FFFF0
+#define POCMR_MASK_128KB 0x000FFFE0
+#define POCMR_MASK_256KB 0x000FFFC0
+#define POCMR_MASK_512KB 0x000FFF80
+#define POCMR_MASK_1MB 0x000FFF00
+#define POCMR_MASK_2MB 0x000FFE00
+#define POCMR_MASK_4MB 0x000FFC00
+#define POCMR_MASK_8MB 0x000FF800
+#define POCMR_MASK_16MB 0x000FF000
+#define POCMR_MASK_32MB 0x000FE000
+#define POCMR_MASK_64MB 0x000FC000
+#define POCMR_MASK_128MB 0x000F8000
+#define POCMR_MASK_256MB 0x000F0000
+#define POCMR_MASK_512MB 0x000E0000
+#define POCMR_MASK_1GB 0x000C0000
+
+#define POCMR_ENABLE 0x80000000
+#define POCMR_PCI_IO 0x40000000
+#define POCMR_PREFETCH_EN 0x20000000
+
+/* Soft PCI reset */
+
+#define PCI_GCR_REG 0x10880
+
+/* Bit definitions for PCI_GCR registers */
+
+#define PCIGCR_PCI_BUS_EN 0x1
+
+/*
+ * Inbound ATU registers (2 sets). These registers control how PCI addresses
+ * are translated to 60x bus (local) addresses when the MPC826x is a PCI bus target.
+ */
+
+#define PITAR_REG1 0x108D0
+#define PIBAR_REG1 0x108D8
+#define PICMR_REG1 0x108E0
+#define PITAR_REG0 0x108E8
+#define PIBAR_REG0 0x108F0
+#define PICMR_REG0 0x108F8
+
+/* Bit definitions for PCI Inbound Comparison Mask registers */
+
+#define PICMR_MASK_4KB 0x000FFFFF
+#define PICMR_MASK_8KB 0x000FFFFE
+#define PICMR_MASK_16KB 0x000FFFFC
+#define PICMR_MASK_32KB 0x000FFFF8
+#define PICMR_MASK_64KB 0x000FFFF0
+#define PICMR_MASK_128KB 0x000FFFE0
+#define PICMR_MASK_256KB 0x000FFFC0
+#define PICMR_MASK_512KB 0x000FFF80
+#define PICMR_MASK_1MB 0x000FFF00
+#define PICMR_MASK_2MB 0x000FFE00
+#define PICMR_MASK_4MB 0x000FFC00
+#define PICMR_MASK_8MB 0x000FF800
+#define PICMR_MASK_16MB 0x000FF000
+#define PICMR_MASK_32MB 0x000FE000
+#define PICMR_MASK_64MB 0x000FC000
+#define PICMR_MASK_128MB 0x000F8000
+#define PICMR_MASK_256MB 0x000F0000
+#define PICMR_MASK_512MB 0x000E0000
+#define PICMR_MASK_1GB 0x000C0000
+
+#define PICMR_ENABLE 0x80000000
+#define PICMR_NO_SNOOP_EN 0x40000000
+#define PICMR_PREFETCH_EN 0x20000000
+
+/* PCI error Registers */
+
+#define PCI_ERROR_STATUS_REG 0x10884
+#define PCI_ERROR_MASK_REG 0x10888
+#define PCI_ERROR_CONTROL_REG 0x1088C
+#define PCI_ERROR_ADRS_CAPTURE_REG 0x10890
+#define PCI_ERROR_DATA_CAPTURE_REG 0x10898
+#define PCI_ERROR_CTRL_CAPTURE_REG 0x108A0
+
+/* PCI error Register bit defines */
+
+#define PCI_ERROR_PCI_ADDR_PAR 0x00000001
+#define PCI_ERROR_PCI_DATA_PAR_WR 0x00000002
+#define PCI_ERROR_PCI_DATA_PAR_RD 0x00000004
+#define PCI_ERROR_PCI_NO_RSP 0x00000008
+#define PCI_ERROR_PCI_TAR_ABT 0x00000010
+#define PCI_ERROR_PCI_SERR 0x00000020
+#define PCI_ERROR_PCI_PERR_RD 0x00000040
+#define PCI_ERROR_PCI_PERR_WR 0x00000080
+#define PCI_ERROR_I2O_OFQO 0x00000100
+#define PCI_ERROR_I2O_IPQO 0x00000200
+#define PCI_ERROR_IRA 0x00000400
+#define PCI_ERROR_NMI 0x00000800
+#define PCI_ERROR_I2O_DBMC 0x00001000
+
+/*
+ * Register pair used to generate configuration cycles on the PCI bus
+ * and access the MPC826x's own PCI configuration registers.
+ */
+
+#define PCI_CFG_ADDR_REG 0x10900
+#define PCI_CFG_DATA_REG 0x10904
+
+/* Bus parking decides where the bus control sits when idle */
+/* If modifying memory controllers for PCI park on the core */
+
+#define PPC_ACR_BUS_PARK_CORE 0x6
+#define PPC_ACR_BUS_PARK_PCI 0x3
+
+#endif /* _PPC_KERNEL_M8260_PCI_H */