diff --git a/Documentation/devicetree/bindings/pci/pci.txt b/Documentation/devicetree/bindings/pci/pci.txt new file mode 100644 index 000000000000..41aeed38926d --- /dev/null +++ b/Documentation/devicetree/bindings/pci/pci.txt @@ -0,0 +1,9 @@ +PCI bus bridges have standardized Device Tree bindings: + +PCI Bus Binding to: IEEE Std 1275-1994 +http://www.openfirmware.org/ofwg/bindings/pci/pci2_1.pdf + +And for the interrupt mapping part: + +Open Firmware Recommended Practice: Interrupt Mapping +http://www.openfirmware.org/1275/practice/imap/imap0_9d.pdf diff --git a/Documentation/devicetree/bindings/pci/v3-v360epc-pci.txt b/Documentation/devicetree/bindings/pci/v3-v360epc-pci.txt new file mode 100644 index 000000000000..30b364e504ba --- /dev/null +++ b/Documentation/devicetree/bindings/pci/v3-v360epc-pci.txt @@ -0,0 +1,15 @@ +V3 Semiconductor V360 EPC PCI bridge + +This bridge is found in the ARM Integrator/AP (Application Platform) + +Integrator-specific notes: + +- syscon: should contain a link to the syscon device node (since + on the Integrator, some registers in the syscon are required to + operate the V3). + +V360 EPC specific notes: + +- reg: should contain the base address of the V3 adapter. +- interrupts: should contain a reference to the V3 error interrupt + as routed on the system. diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 6931c4348d24..d247d1003987 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -59,6 +59,7 @@ ste ST-Ericsson stericsson ST-Ericsson ti Texas Instruments toshiba Toshiba Corporation +v3 V3 Semiconductor via VIA Technologies, Inc. wlf Wolfson Microelectronics wm Wondermedia Technologies, Inc. diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts index c9c3fa344647..03f23b7a0ab5 100644 --- a/arch/arm/boot/dts/integratorap.dts +++ b/arch/arm/boot/dts/integratorap.dts @@ -39,6 +39,47 @@ valid-mask = <0x003fffff>; }; + pci: pciv3@62000000 { + compatible = "v3,v360epc-pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0x62000000 0x10000>; + interrupt-parent = <&pic>; + interrupts = <17>; /* Bus error IRQ */ + ranges = <0x00000000 0 0x61000000 /* config space */ + 0x61000000 0 0x00100000 /* 16 MiB @ 61000000 */ + 0x01000000 0 0x60000000 /* I/O space */ + 0x60000000 0 0x00100000 /* 16 MiB @ 60000000 */ + 0x02000000 0 0x40000000 /* non-prefectable memory */ + 0x40000000 0 0x10000000 /* 256 MiB @ 40000000 */ + 0x42000000 0 0x50000000 /* prefetchable memory */ + 0x50000000 0 0x10000000>; /* 256 MiB @ 50000000 */ + interrupt-map-mask = <0xf800 0 0 0x7>; + interrupt-map = < + /* IDSEL 9 */ + 0x4800 0 0 1 &pic 13 /* INT A on slot 9 is irq 13 */ + 0x4800 0 0 2 &pic 14 /* INT B on slot 9 is irq 14 */ + 0x4800 0 0 3 &pic 15 /* INT C on slot 9 is irq 15 */ + 0x4800 0 0 4 &pic 16 /* INT D on slot 9 is irq 16 */ + /* IDSEL 10 */ + 0x5000 0 0 1 &pic 14 /* INT A on slot 10 is irq 14 */ + 0x5000 0 0 2 &pic 15 /* INT B on slot 10 is irq 15 */ + 0x5000 0 0 3 &pic 16 /* INT C on slot 10 is irq 16 */ + 0x5000 0 0 4 &pic 13 /* INT D on slot 10 is irq 13 */ + /* IDSEL 11 */ + 0x5800 0 0 1 &pic 15 /* INT A on slot 11 is irq 15 */ + 0x5800 0 0 2 &pic 16 /* INT B on slot 11 is irq 16 */ + 0x5800 0 0 3 &pic 13 /* INT C on slot 11 is irq 13 */ + 0x5800 0 0 4 &pic 14 /* INT D on slot 11 is irq 14 */ + /* IDSEL 12 */ + 0x6000 0 0 1 &pic 16 /* INT A on slot 12 is irq 16 */ + 0x6000 0 0 2 &pic 13 /* INT B on slot 12 is irq 13 */ + 0x6000 0 0 3 &pic 14 /* INT C on slot 12 is irq 14 */ + 0x6000 0 0 4 &pic 15 /* INT D on slot 12 is irq 15 */ + >; + }; + fpga { /* * The Integator/AP predates the idea to have magic numbers diff --git a/arch/arm/include/asm/hardware/pci_v3.h b/arch/arm/include/asm/hardware/pci_v3.h deleted file mode 100644 index 2811c7e2cfdf..000000000000 --- a/arch/arm/include/asm/hardware/pci_v3.h +++ /dev/null @@ -1,186 +0,0 @@ -/* - * arch/arm/include/asm/hardware/pci_v3.h - * - * Internal header file PCI V3 chip - * - * Copyright (C) ARM Limited - * Copyright (C) 2000-2001 Deep Blue Solutions Ltd. - * - * 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 program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef ASM_ARM_HARDWARE_PCI_V3_H -#define ASM_ARM_HARDWARE_PCI_V3_H - -/* ------------------------------------------------------------------------------- - * V3 Local Bus to PCI Bridge definitions - * ------------------------------------------------------------------------------- - * Registers (these are taken from page 129 of the EPC User's Manual Rev 1.04 - * All V3 register names are prefaced by V3_ to avoid clashing with any other - * PCI definitions. Their names match the user's manual. - * - * I'm assuming that I20 is disabled. - * - */ -#define V3_PCI_VENDOR 0x00000000 -#define V3_PCI_DEVICE 0x00000002 -#define V3_PCI_CMD 0x00000004 -#define V3_PCI_STAT 0x00000006 -#define V3_PCI_CC_REV 0x00000008 -#define V3_PCI_HDR_CFG 0x0000000C -#define V3_PCI_IO_BASE 0x00000010 -#define V3_PCI_BASE0 0x00000014 -#define V3_PCI_BASE1 0x00000018 -#define V3_PCI_SUB_VENDOR 0x0000002C -#define V3_PCI_SUB_ID 0x0000002E -#define V3_PCI_ROM 0x00000030 -#define V3_PCI_BPARAM 0x0000003C -#define V3_PCI_MAP0 0x00000040 -#define V3_PCI_MAP1 0x00000044 -#define V3_PCI_INT_STAT 0x00000048 -#define V3_PCI_INT_CFG 0x0000004C -#define V3_LB_BASE0 0x00000054 -#define V3_LB_BASE1 0x00000058 -#define V3_LB_MAP0 0x0000005E -#define V3_LB_MAP1 0x00000062 -#define V3_LB_BASE2 0x00000064 -#define V3_LB_MAP2 0x00000066 -#define V3_LB_SIZE 0x00000068 -#define V3_LB_IO_BASE 0x0000006E -#define V3_FIFO_CFG 0x00000070 -#define V3_FIFO_PRIORITY 0x00000072 -#define V3_FIFO_STAT 0x00000074 -#define V3_LB_ISTAT 0x00000076 -#define V3_LB_IMASK 0x00000077 -#define V3_SYSTEM 0x00000078 -#define V3_LB_CFG 0x0000007A -#define V3_PCI_CFG 0x0000007C -#define V3_DMA_PCI_ADR0 0x00000080 -#define V3_DMA_PCI_ADR1 0x00000090 -#define V3_DMA_LOCAL_ADR0 0x00000084 -#define V3_DMA_LOCAL_ADR1 0x00000094 -#define V3_DMA_LENGTH0 0x00000088 -#define V3_DMA_LENGTH1 0x00000098 -#define V3_DMA_CSR0 0x0000008B -#define V3_DMA_CSR1 0x0000009B -#define V3_DMA_CTLB_ADR0 0x0000008C -#define V3_DMA_CTLB_ADR1 0x0000009C -#define V3_DMA_DELAY 0x000000E0 -#define V3_MAIL_DATA 0x000000C0 -#define V3_PCI_MAIL_IEWR 0x000000D0 -#define V3_PCI_MAIL_IERD 0x000000D2 -#define V3_LB_MAIL_IEWR 0x000000D4 -#define V3_LB_MAIL_IERD 0x000000D6 -#define V3_MAIL_WR_STAT 0x000000D8 -#define V3_MAIL_RD_STAT 0x000000DA -#define V3_QBA_MAP 0x000000DC - -/* PCI COMMAND REGISTER bits - */ -#define V3_COMMAND_M_FBB_EN (1 << 9) -#define V3_COMMAND_M_SERR_EN (1 << 8) -#define V3_COMMAND_M_PAR_EN (1 << 6) -#define V3_COMMAND_M_MASTER_EN (1 << 2) -#define V3_COMMAND_M_MEM_EN (1 << 1) -#define V3_COMMAND_M_IO_EN (1 << 0) - -/* SYSTEM REGISTER bits - */ -#define V3_SYSTEM_M_RST_OUT (1 << 15) -#define V3_SYSTEM_M_LOCK (1 << 14) - -/* PCI_CFG bits - */ -#define V3_PCI_CFG_M_I2O_EN (1 << 15) -#define V3_PCI_CFG_M_IO_REG_DIS (1 << 14) -#define V3_PCI_CFG_M_IO_DIS (1 << 13) -#define V3_PCI_CFG_M_EN3V (1 << 12) -#define V3_PCI_CFG_M_RETRY_EN (1 << 10) -#define V3_PCI_CFG_M_AD_LOW1 (1 << 9) -#define V3_PCI_CFG_M_AD_LOW0 (1 << 8) - -/* PCI_BASE register bits (PCI -> Local Bus) - */ -#define V3_PCI_BASE_M_ADR_BASE 0xFFF00000 -#define V3_PCI_BASE_M_ADR_BASEL 0x000FFF00 -#define V3_PCI_BASE_M_PREFETCH (1 << 3) -#define V3_PCI_BASE_M_TYPE (3 << 1) -#define V3_PCI_BASE_M_IO (1 << 0) - -/* PCI MAP register bits (PCI -> Local bus) - */ -#define V3_PCI_MAP_M_MAP_ADR 0xFFF00000 -#define V3_PCI_MAP_M_RD_POST_INH (1 << 15) -#define V3_PCI_MAP_M_ROM_SIZE (3 << 10) -#define V3_PCI_MAP_M_SWAP (3 << 8) -#define V3_PCI_MAP_M_ADR_SIZE 0x000000F0 -#define V3_PCI_MAP_M_REG_EN (1 << 1) -#define V3_PCI_MAP_M_ENABLE (1 << 0) - -/* - * LB_BASE0,1 register bits (Local bus -> PCI) - */ -#define V3_LB_BASE_ADR_BASE 0xfff00000 -#define V3_LB_BASE_SWAP (3 << 8) -#define V3_LB_BASE_ADR_SIZE (15 << 4) -#define V3_LB_BASE_PREFETCH (1 << 3) -#define V3_LB_BASE_ENABLE (1 << 0) - -#define V3_LB_BASE_ADR_SIZE_1MB (0 << 4) -#define V3_LB_BASE_ADR_SIZE_2MB (1 << 4) -#define V3_LB_BASE_ADR_SIZE_4MB (2 << 4) -#define V3_LB_BASE_ADR_SIZE_8MB (3 << 4) -#define V3_LB_BASE_ADR_SIZE_16MB (4 << 4) -#define V3_LB_BASE_ADR_SIZE_32MB (5 << 4) -#define V3_LB_BASE_ADR_SIZE_64MB (6 << 4) -#define V3_LB_BASE_ADR_SIZE_128MB (7 << 4) -#define V3_LB_BASE_ADR_SIZE_256MB (8 << 4) -#define V3_LB_BASE_ADR_SIZE_512MB (9 << 4) -#define V3_LB_BASE_ADR_SIZE_1GB (10 << 4) -#define V3_LB_BASE_ADR_SIZE_2GB (11 << 4) - -#define v3_addr_to_lb_base(a) ((a) & V3_LB_BASE_ADR_BASE) - -/* - * LB_MAP0,1 register bits (Local bus -> PCI) - */ -#define V3_LB_MAP_MAP_ADR 0xfff0 -#define V3_LB_MAP_TYPE (7 << 1) -#define V3_LB_MAP_AD_LOW_EN (1 << 0) - -#define V3_LB_MAP_TYPE_IACK (0 << 1) -#define V3_LB_MAP_TYPE_IO (1 << 1) -#define V3_LB_MAP_TYPE_MEM (3 << 1) -#define V3_LB_MAP_TYPE_CONFIG (5 << 1) -#define V3_LB_MAP_TYPE_MEM_MULTIPLE (6 << 1) - -#define v3_addr_to_lb_map(a) (((a) >> 16) & V3_LB_MAP_MAP_ADR) - -/* - * LB_BASE2 register bits (Local bus -> PCI IO) - */ -#define V3_LB_BASE2_ADR_BASE 0xff00 -#define V3_LB_BASE2_SWAP (3 << 6) -#define V3_LB_BASE2_ENABLE (1 << 0) - -#define v3_addr_to_lb_base2(a) (((a) >> 16) & V3_LB_BASE2_ADR_BASE) - -/* - * LB_MAP2 register bits (Local bus -> PCI IO) - */ -#define V3_LB_MAP2_MAP_ADR 0xff00 - -#define v3_addr_to_lb_map2(a) (((a) >> 16) & V3_LB_MAP2_MAP_ADR) - -#endif diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index 7d2c3c843801..a1c90d7feb0e 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -16,6 +16,7 @@ struct pci_sys_data; struct pci_ops; struct pci_bus; +struct device; struct hw_pci { #ifdef CONFIG_PCI_DOMAINS @@ -68,7 +69,16 @@ struct pci_sys_data { /* * Call this with your hw_pci struct to initialise the PCI system. */ -void pci_common_init(struct hw_pci *); +void pci_common_init_dev(struct device *, struct hw_pci *); + +/* + * Compatibility wrapper for older platforms that do not care about + * passing the parent device. + */ +static inline void pci_common_init(struct hw_pci *hw) +{ + pci_common_init_dev(NULL, hw); +} /* * Setup early fixed I/O mapping. @@ -96,9 +106,4 @@ extern struct pci_ops via82c505_ops; extern int via82c505_setup(int nr, struct pci_sys_data *); extern void via82c505_init(void *sysdata); -extern struct pci_ops pci_v3_ops; -extern int pci_v3_setup(int nr, struct pci_sys_data *); -extern void pci_v3_preinit(void); -extern void pci_v3_postinit(void); - #endif /* __ASM_MACH_PCI_H */ diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index b2ed73c45489..261fcc826169 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -445,7 +445,8 @@ static int pcibios_init_resources(int busnr, struct pci_sys_data *sys) return 0; } -static void pcibios_init_hw(struct hw_pci *hw, struct list_head *head) +static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, + struct list_head *head) { struct pci_sys_data *sys = NULL; int ret; @@ -480,7 +481,7 @@ static void pcibios_init_hw(struct hw_pci *hw, struct list_head *head) if (hw->scan) sys->bus = hw->scan(nr, sys); else - sys->bus = pci_scan_root_bus(NULL, sys->busnr, + sys->bus = pci_scan_root_bus(parent, sys->busnr, hw->ops, sys, &sys->resources); if (!sys->bus) @@ -497,7 +498,7 @@ static void pcibios_init_hw(struct hw_pci *hw, struct list_head *head) } } -void pci_common_init(struct hw_pci *hw) +void pci_common_init_dev(struct device *parent, struct hw_pci *hw) { struct pci_sys_data *sys; LIST_HEAD(head); @@ -505,7 +506,7 @@ void pci_common_init(struct hw_pci *hw) pci_add_flags(PCI_REASSIGN_ALL_RSRC); if (hw->preinit) hw->preinit(); - pcibios_init_hw(hw, &head); + pcibios_init_hw(parent, hw, &head); if (hw->postinit) hw->postinit(); diff --git a/arch/arm/mach-integrator/Makefile b/arch/arm/mach-integrator/Makefile index d14d6b76f4c2..ec759ded7b60 100644 --- a/arch/arm/mach-integrator/Makefile +++ b/arch/arm/mach-integrator/Makefile @@ -8,5 +8,5 @@ obj-y := core.o lm.o leds.o obj-$(CONFIG_ARCH_INTEGRATOR_AP) += integrator_ap.o obj-$(CONFIG_ARCH_INTEGRATOR_CP) += integrator_cp.o -obj-$(CONFIG_PCI) += pci_v3.o pci.o +obj-$(CONFIG_PCI) += pci_v3.o obj-$(CONFIG_INTEGRATOR_IMPD1) += impd1.o diff --git a/arch/arm/mach-integrator/include/mach/platform.h b/arch/arm/mach-integrator/include/mach/platform.h index be5859efe10e..306d025d9730 100644 --- a/arch/arm/mach-integrator/include/mach/platform.h +++ b/arch/arm/mach-integrator/include/mach/platform.h @@ -304,29 +304,6 @@ /* KMI definitions are now in include/asm-arm/hardware/amba_kmi.h -- rmk */ -/* ------------------------------------------------------------------------ - * Where in the memory map does PCI live? - * ------------------------------------------------------------------------ - * This represents a fairly liberal usage of address space. Even though - * the V3 only has two windows (therefore we need to map stuff on the fly), - * we maintain the same addresses, even if they're not mapped. - * - */ -#define PHYS_PCI_MEM_BASE 0x40000000 /* 512M to xxx */ -/* unused 256M from A0000000-AFFFFFFF might be used for I2O ??? - */ -#define PHYS_PCI_IO_BASE 0x60000000 /* 16M to xxx */ -/* unused (128-16)M from B1000000-B7FFFFFF - */ -#define PHYS_PCI_CONFIG_BASE 0x61000000 /* 16M to xxx */ -/* unused ((128-16)M - 64K) from XXX - */ -#define PHYS_PCI_V3_BASE 0x62000000 - -#define PCI_MEMORY_VADDR IOMEM(0xe8000000) -#define PCI_CONFIG_VADDR IOMEM(0xec000000) -#define PCI_V3_VADDR IOMEM(0xed000000) - /* ------------------------------------------------------------------------ * Integrator Interrupt Controllers * ------------------------------------------------------------------------ diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index b23c8e4f28e8..a5b15c4e8def 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -41,7 +41,6 @@ #include #include #include -#include