diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips')
5 files changed, 74 insertions, 62 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile index 720fddfdb..73517fd9b 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile @@ -10,6 +10,8 @@ obj-y := prom.o irq.o setup.o devices.o gpio.o ar71xx.o +obj-$(CONFIG_PCI) += pci.o + obj-$(CONFIG_AR71XX_MACH_AP81) += mach-ap81.o obj-$(CONFIG_AR71XX_MACH_AP83) += mach-ap83.o obj-$(CONFIG_AR71XX_MACH_AW_NR580) += mach-aw-nr580.o diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/pci.c b/target/linux/ar71xx/files/arch/mips/ar71xx/pci.c new file mode 100644 index 000000000..d3bcf6b48 --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/pci.c @@ -0,0 +1,52 @@ +/* + * Atheros AR71xx PCI setup code + * + * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * Parts of this file are based on Atheros' 2.6.15 BSP + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <asm/mach-ar71xx/ar71xx.h> +#include <asm/mach-ar71xx/pci.h> + +unsigned ar71xx_pci_nr_irqs __initdata; +struct ar71xx_pci_irq *ar71xx_pci_irq_map __initdata; + +int (*ar71xx_pci_plat_dev_init)(struct pci_dev *dev); + +static int ar71xx_be_handler(struct pt_regs *regs, int is_fixup) +{ + int err = 0; + + err = ar71xx_pci_be_handler(is_fixup); + + return (is_fixup && !err) ? MIPS_BE_FIXUP : MIPS_BE_FATAL; +} + +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + if (ar71xx_pci_plat_dev_init) + return ar71xx_pci_plat_dev_init(dev); + + return 0; +} + +int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin) +{ + return ar71xx_pcibios_map_irq(dev, slot, pin); +} + +int __init ar71xx_pci_init(unsigned nr_irqs, struct ar71xx_pci_irq *map) +{ + ar71xx_pci_nr_irqs = nr_irqs; + ar71xx_pci_irq_map = map; + + board_be_handler = ar71xx_be_handler; + + return ar71xx_pci_bios_init(); +} diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c b/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c index 1d99bb52f..1666d8216 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/setup.c @@ -12,15 +12,11 @@ */ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/init.h> -#include <linux/types.h> -#include <linux/pci.h> #include <linux/serial_8250.h> #include <linux/bootmem.h> #include <asm/bootinfo.h> -#include <asm/traps.h> #include <asm/time.h> /* for mips_hpt_frequency */ #include <asm/reboot.h> /* for _machine_{restart,halt} */ #include <asm/mips_machine.h> @@ -49,11 +45,6 @@ EXPORT_SYMBOL_GPL(ar71xx_ddr_freq); enum ar71xx_soc_type ar71xx_soc; EXPORT_SYMBOL_GPL(ar71xx_soc); -int (*ar71xx_pci_bios_init)(unsigned nr_irqs, - struct ar71xx_pci_irq *map) __initdata; - -int (*ar71xx_pci_be_handler)(int is_fixup); - static char ar71xx_sys_type[AR71XX_SYS_TYPE_LEN]; static void ar71xx_restart(char *command) @@ -70,24 +61,6 @@ static void ar71xx_halt(void) cpu_wait(); } -static int ar71xx_be_handler(struct pt_regs *regs, int is_fixup) -{ - int err = 0; - - if (ar71xx_pci_be_handler) - err = ar71xx_pci_be_handler(is_fixup); - - return (is_fixup && !err) ? MIPS_BE_FIXUP : MIPS_BE_FATAL; -} - -int __init ar71xx_pci_init(unsigned nr_irqs, struct ar71xx_pci_irq *map) -{ - if (!ar71xx_pci_bios_init) - return 0; - - return ar71xx_pci_bios_init(nr_irqs, map); -} - static void __init ar71xx_detect_mem_size(void) { unsigned long size; @@ -316,8 +289,6 @@ void __init plat_mem_setup(void) _machine_halt = ar71xx_halt; pm_power_off = ar71xx_halt; - board_be_handler = ar71xx_be_handler; - ar71xx_early_serial_setup(); } diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/pci.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/pci.h index 9cf536de4..9de4e02d9 100644 --- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/pci.h +++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/pci.h @@ -1,7 +1,7 @@ /* * Atheros AR71xx SoC specific PCI definitions * - * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * * This program is free software; you can redistribute it and/or modify it @@ -12,17 +12,24 @@ #ifndef __ASM_MACH_AR71XX_PCI_H #define __ASM_MACH_AR71XX_PCI_H +struct pci_dev; + struct ar71xx_pci_irq { int irq; u8 slot; u8 pin; }; -extern int (*ar71xx_pci_be_handler)(int is_fixup); -extern int (*ar71xx_pci_bios_init)(unsigned nr_irqs, - struct ar71xx_pci_irq *map) __initdata; +extern int (*ar71xx_pci_plat_dev_init)(struct pci_dev *dev); +extern unsigned ar71xx_pci_nr_irqs __initdata; +extern struct ar71xx_pci_irq *ar71xx_pci_irq_map __initdata; + +int ar71xx_pcibios_map_irq(const struct pci_dev *dev, + uint8_t slot, uint8_t pin) __init; +int ar71xx_pcibios_init(void) __init; + +int ar71xx_pci_be_handler(int is_fixup); -extern int ar71xx_pci_init(unsigned nr_irqs, - struct ar71xx_pci_irq *map) __init; +int ar71xx_pci_init(unsigned nr_irqs, struct ar71xx_pci_irq *map) __init; #endif /* __ASM_MACH_AR71XX_PCI_H */ diff --git a/target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c b/target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c index 383a708b8..711a10969 100644 --- a/target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c +++ b/target/linux/ar71xx/files/arch/mips/pci/pci-ar71xx.c @@ -1,7 +1,7 @@ /* * Atheros AR71xx PCI host controller driver * - * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * * Parts of this file are based on Atheros' 2.6.15 BSP @@ -36,10 +36,7 @@ #define PCI_IDSEL_BASE 0 #endif -static unsigned ar71xx_pci_nr_irqs; -static struct ar71xx_pci_irq *ar71xx_pci_irq_map __initdata; static void __iomem *ar71xx_pcicfg_base; - static DEFINE_SPINLOCK(ar71xx_pci_lock); static inline void ar71xx_pci_delay(void) @@ -93,7 +90,7 @@ static inline u32 ar71xx_pci_bus_addr(struct pci_bus *bus, unsigned int devfn, return ret; } -static int __ar71xx_pci_be_handler(int is_fixup) +int ar71xx_pci_be_handler(int is_fixup) { u32 pci_err; u32 ahb_err; @@ -135,7 +132,7 @@ static inline int ar71xx_pci_set_cfgaddr(struct pci_bus *bus, ar71xx_pcicfg_wr(PCI_REG_CFG_CBE, cmd | ar71xx_pci_get_ble(where, size, 0)); - return __ar71xx_pci_be_handler(1); + return ar71xx_pci_be_handler(1); } static int ar71xx_pci_read_config(struct pci_bus *bus, unsigned int devfn, @@ -243,10 +240,10 @@ static void ar71xx_pci_fixup(struct pci_dev *dev) pci_write_config_word(dev, PCI_COMMAND, t); } - DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ar71xx_pci_fixup); -int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin) +int __init ar71xx_pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, + uint8_t pin) { int irq = -1; int i; @@ -274,11 +271,6 @@ int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin) return irq; } -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - return 0; -} - static struct pci_ops ar71xx_pci_ops = { .read = ar71xx_pci_read_config, .write = ar71xx_pci_write_config, @@ -304,8 +296,7 @@ static struct pci_controller ar71xx_pci_controller = { .io_resource = &ar71xx_pci_io_resource, }; -static int __init __ar71xx_pci_bios_init(unsigned nr_irqs, - struct ar71xx_pci_irq *map) +int __init ar71xx_pcibios_init(void) { ar71xx_device_stop(RESET_MODULE_PCI_BUS | RESET_MODULE_PCI_CORE); ar71xx_pci_delay(); @@ -328,20 +319,9 @@ static int __init __ar71xx_pci_bios_init(unsigned nr_irqs, ar71xx_pci_delay(); /* clear bus errors */ - (void)__ar71xx_pci_be_handler(1); - - ar71xx_pci_nr_irqs = nr_irqs; - ar71xx_pci_irq_map = map; - ar71xx_pci_be_handler = __ar71xx_pci_be_handler; + (void)ar71xx_pci_be_handler(1); register_pci_controller(&ar71xx_pci_controller); return 0; } - -static int __init __ar71xx_pci_init(void) -{ - ar71xx_pci_bios_init = __ar71xx_pci_bios_init; - return 0; -} -pure_initcall(__ar71xx_pci_init); |