diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/include/arch/pci_ops.h | 10 | ||||
| -rw-r--r-- | src/arch/x86/lib/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/arch/x86/lib/pci_ops_auto.c | 107 | ||||
| -rw-r--r-- | src/arch/x86/lib/pci_ops_conf2.c | 80 | ||||
| -rw-r--r-- | src/devices/oprom/x86_interrupts.c | 2 | ||||
| -rw-r--r-- | src/include/device/pci.h | 2 | ||||
| -rw-r--r-- | src/include/device/pci_ops.h | 3 |
7 files changed, 9 insertions, 196 deletions
diff --git a/src/arch/x86/include/arch/pci_ops.h b/src/arch/x86/include/arch/pci_ops.h index 955ccd34d8..eca939045f 100644 --- a/src/arch/x86/include/arch/pci_ops.h +++ b/src/arch/x86/include/arch/pci_ops.h @@ -2,12 +2,18 @@ #define ARCH_I386_PCI_OPS_H extern const struct pci_bus_operations pci_cf8_conf1; -extern const struct pci_bus_operations pci_cf8_conf2; #if CONFIG_MMCONF_SUPPORT extern const struct pci_bus_operations pci_ops_mmconf; #endif -void pci_set_method(device_t dev); +static inline const struct pci_bus_operations *pci_config_default(void) +{ + return &pci_cf8_conf1; +} +static inline void pci_set_method(device_t dev) +{ + dev->ops->ops_pci_bus = pci_config_default(); +} #endif /* ARCH_I386_PCI_OPS_H */ diff --git a/src/arch/x86/lib/Makefile.inc b/src/arch/x86/lib/Makefile.inc index 4375952c19..2186072ab4 100644 --- a/src/arch/x86/lib/Makefile.inc +++ b/src/arch/x86/lib/Makefile.inc @@ -3,7 +3,6 @@ ramstage-y += cpu.c ramstage-y += pci_ops_conf1.c ramstage-$(CONFIG_PCI_CONF2) += pci_ops_conf2.c ramstage-$(CONFIG_MMCONF_SUPPORT) += pci_ops_mmconf.c -ramstage-y += pci_ops_auto.c ramstage-y += exception.c ramstage-$(CONFIG_IOAPIC) += ioapic.c ramstage-y += memset.c diff --git a/src/arch/x86/lib/pci_ops_auto.c b/src/arch/x86/lib/pci_ops_auto.c deleted file mode 100644 index 58e098b655..0000000000 --- a/src/arch/x86/lib/pci_ops_auto.c +++ /dev/null @@ -1,107 +0,0 @@ -#include <stddef.h> -#include <console/console.h> -#include <arch/io.h> -#include <arch/pciconf.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> - -#if CONFIG_PCI_CONF2 -/* - * Before we decide to use direct hardware access mechanisms, we try to do some - * trivial checks to ensure it at least _seems_ to be working -- we just test - * whether bus 00 contains a host bridge (this is similar to checking - * techniques used in XFree86, but ours should be more reliable since we - * attempt to make use of direct access hints provided by the PCI BIOS). - * - * This should be close to trivial, but it isn't, because there are buggy - * chipsets (yes, you guessed it, by Intel and Compaq) that have no class ID. - */ -static int pci_sanity_check(const struct pci_bus_operations *o) -{ - uint16_t class, vendor; - unsigned bus; - int devfn; - struct bus pbus; /* Dummy device */ -#define PCI_CLASS_BRIDGE_HOST 0x0600 -#define PCI_CLASS_DISPLAY_VGA 0x0300 -#define PCI_VENDOR_ID_COMPAQ 0x0e11 -#define PCI_VENDOR_ID_INTEL 0x8086 -#define PCI_VENDOR_ID_MOTOROLA 0x1057 - - for (bus = 0, devfn = 0; devfn < 0x100; devfn++) { - class = o->read16(&pbus, bus, devfn, PCI_CLASS_DEVICE); - vendor = o->read16(&pbus, bus, devfn, PCI_VENDOR_ID); - if (((class == PCI_CLASS_BRIDGE_HOST) || (class == PCI_CLASS_DISPLAY_VGA)) || - ((vendor == PCI_VENDOR_ID_INTEL) || (vendor == PCI_VENDOR_ID_COMPAQ) || - (vendor == PCI_VENDOR_ID_MOTOROLA))) { - return 1; - } - } - printk(BIOS_ERR, "PCI: Sanity check failed\n"); - return 0; -} - -static struct pci_bus_operations *pci_bus_fallback_ops = NULL; - -static const struct pci_bus_operations *pci_check_direct(void) -{ - unsigned int tmp; - - /* - * Check if configuration type 1 works. - */ - { - outb(0x01, 0xCFB); - tmp = inl(0xCF8); - outl(0x80000000, 0xCF8); - if ((inl(0xCF8) == 0x80000000) && - pci_sanity_check(&pci_cf8_conf1)) - { - outl(tmp, 0xCF8); - printk(BIOS_DEBUG, "PCI: Using configuration type 1\n"); - return &pci_cf8_conf1; - } - outl(tmp, 0xCF8); - } - - /* - * Check if configuration type 2 works. - */ - { - outb(0x00, 0xCFB); - outb(0x00, 0xCF8); - outb(0x00, 0xCFA); - if ((inb(0xCF8) == 0x00 && inb(0xCFA) == 0x00) && - pci_sanity_check(&pci_cf8_conf2)) - { - printk(BIOS_DEBUG, "PCI: Using configuration type 2\n"); - return &pci_cf8_conf2; - } - } - - die("pci_check_direct failed\n"); - return NULL; -} - -const struct pci_bus_operations *pci_remember_direct(void) -{ - if (!pci_bus_fallback_ops) - pci_bus_fallback_ops = (struct pci_bus_operations *)pci_check_direct(); - return pci_bus_fallback_ops; -} -#else -const struct pci_bus_operations *pci_remember_direct(void) -{ - return &pci_cf8_conf1; -} -#endif - -/** Set the method to be used for PCI, type I or type II - */ -void pci_set_method(device_t dev) -{ - printk(BIOS_INFO, "Finding PCI configuration type.\n"); - dev->ops->ops_pci_bus = pci_remember_direct(); - post_code(0x5f); -} diff --git a/src/arch/x86/lib/pci_ops_conf2.c b/src/arch/x86/lib/pci_ops_conf2.c deleted file mode 100644 index e89c933fc2..0000000000 --- a/src/arch/x86/lib/pci_ops_conf2.c +++ /dev/null @@ -1,80 +0,0 @@ -#include <console/console.h> -#include <arch/io.h> -#include <arch/pciconf.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -/* - * Functions for accessing PCI configuration space with type 2 accesses - */ - -#define IOADDR(devfn, where) ((0xC000 | ((devfn & 0x78) << 5)) + where) -#define FUNC(devfn) (((devfn & 7) << 1) | 0xf0) -#define SET(bus,devfn) outb(FUNC(devfn), 0xCF8); outb(bus, 0xCFA); - -static uint8_t pci_conf2_read_config8(struct bus *pbus, int bus, int devfn, - int where) -{ - uint8_t value; - SET(bus, devfn); - value = inb(IOADDR(devfn, where)); - outb(0, 0xCF8); - return value; -} - -static uint16_t pci_conf2_read_config16(struct bus *pbus, int bus, int devfn, - int where) -{ - uint16_t value; - SET(bus, devfn); - value = inw(IOADDR(devfn, where)); - outb(0, 0xCF8); - return value; -} - -static uint32_t pci_conf2_read_config32(struct bus *pbus, int bus, int devfn, - int where) -{ - uint32_t value; - SET(bus, devfn); - value = inl(IOADDR(devfn, where)); - outb(0, 0xCF8); - return value; -} - -static void pci_conf2_write_config8(struct bus *pbus, int bus, int devfn, - int where, uint8_t value) -{ - SET(bus, devfn); - outb(value, IOADDR(devfn, where)); - outb(0, 0xCF8); -} - -static void pci_conf2_write_config16(struct bus *pbus, int bus, int devfn, - int where, uint16_t value) -{ - SET(bus, devfn); - outw(value, IOADDR(devfn, where)); - outb(0, 0xCF8); -} - -static void pci_conf2_write_config32(struct bus *pbus, int bus, int devfn, - int where, uint32_t value) -{ - SET(bus, devfn); - outl(value, IOADDR(devfn, where)); - outb(0, 0xCF8); -} - -#undef SET -#undef IOADDR -#undef FUNC - -const struct pci_bus_operations pci_cf8_conf2 = { - .read8 = pci_conf2_read_config8, - .read16 = pci_conf2_read_config16, - .read32 = pci_conf2_read_config32, - .write8 = pci_conf2_write_config8, - .write16 = pci_conf2_write_config16, - .write32 = pci_conf2_write_config32, -}; diff --git a/src/devices/oprom/x86_interrupts.c b/src/devices/oprom/x86_interrupts.c index bada546c90..2ea05d44ba 100644 --- a/src/devices/oprom/x86_interrupts.c +++ b/src/devices/oprom/x86_interrupts.c @@ -114,9 +114,7 @@ int int16_handler(struct eregs *regs) } #define PCI_CONFIG_SPACE_TYPE1 (1 << 0) -#define PCI_CONFIG_SPACE_TYPE2 (1 << 1) #define PCI_SPECIAL_CYCLE_TYPE1 (1 << 4) -#define PCI_SPECIAL_CYCLE_TYPE2 (1 << 5) int int1a_handler(struct eregs *regs) { diff --git a/src/include/device/pci.h b/src/include/device/pci.h index e864d6d47f..51d52835fd 100644 --- a/src/include/device/pci.h +++ b/src/include/device/pci.h @@ -100,7 +100,7 @@ static inline const struct pci_bus_operations *ops_pci_bus(struct bus *bus) bops = bus->dev->ops->ops_pci_bus; } if (!bops) - bops = pci_remember_direct(); + bops = pci_config_default(); return bops; } diff --git a/src/include/device/pci_ops.h b/src/include/device/pci_ops.h index e5e54b6d4d..2efbf9da49 100644 --- a/src/include/device/pci_ops.h +++ b/src/include/device/pci_ops.h @@ -21,7 +21,4 @@ void pci_mmio_write_config16(device_t dev, unsigned int where, u16 val); void pci_mmio_write_config32(device_t dev, unsigned int where, u32 val); #endif -/* This function lives in pci_ops_auto.c */ -const struct pci_bus_operations *pci_remember_direct(void); - #endif /* PCI_OPS_H */ |