diff options
Diffstat (limited to 'arch/alpha/kernel/sys_sio.c')
| -rw-r--r-- | arch/alpha/kernel/sys_sio.c | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/arch/alpha/kernel/sys_sio.c b/arch/alpha/kernel/sys_sio.c index 47df48a6ddb..febd24eba7a 100644 --- a/arch/alpha/kernel/sys_sio.c +++ b/arch/alpha/kernel/sys_sio.c @@ -10,18 +10,16 @@ * Kenetics's Platform 2000, Avanti (AlphaStation), XL, and AlphaBook1. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/mm.h> #include <linux/sched.h> #include <linux/pci.h> #include <linux/init.h> -#include <linux/tty.h> +#include <linux/screen_info.h> #include <asm/compiler.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> @@ -35,6 +33,7 @@ #include "irq_impl.h" #include "pci_impl.h" #include "machvec_impl.h" +#include "pc873xx.h" #if defined(ALPHA_RESTORE_SRM_SETUP) /* Save LCA configuration data as the console had it set up. */ @@ -79,18 +78,22 @@ alphabook1_init_arch(void) * example, sound boards seem to like using IRQ 9. * * This is NOT how we should do it. PIRQ0-X should have - * their own IRQ's, the way intel uses the IO-APIC irq's. + * their own IRQs, the way intel uses the IO-APIC IRQs. */ static void __init sio_pci_route(void) { -#if defined(ALPHA_RESTORE_SRM_SETUP) - /* First, read and save the original setting. */ + unsigned int orig_route_tab; + + /* First, ALWAYS read and print the original setting. */ pci_bus_read_config_dword(pci_isa_hose->bus, PCI_DEVFN(7, 0), 0x60, - &saved_config.orig_route_tab); - printk("%s: PIRQ original 0x%x new 0x%x\n", __FUNCTION__, - saved_config.orig_route_tab, alpha_mv.sys.sio.route_tab); + &orig_route_tab); + printk("%s: PIRQ original 0x%x new 0x%x\n", __func__, + orig_route_tab, alpha_mv.sys.sio.route_tab); + +#if defined(ALPHA_RESTORE_SRM_SETUP) + saved_config.orig_route_tab = orig_route_tab; #endif /* Now override with desired setting. */ @@ -105,7 +108,7 @@ sio_collect_irq_levels(void) struct pci_dev *dev = NULL; /* Iterate through the devices, collecting IRQ levels. */ - while ((dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { + for_each_pci_dev(dev) { if ((dev->class >> 16 == PCI_BASE_CLASS_BRIDGE) && (dev->class >> 8 != PCI_CLASS_BRIDGE_PCMCIA)) continue; @@ -142,7 +145,7 @@ sio_fixup_irq_levels(unsigned int level_bits) } static inline int __init -noname_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +noname_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { /* * The Noname board has 5 PCI slots with each of the 4 @@ -181,7 +184,7 @@ noname_map_irq(struct pci_dev *dev, u8 slot, u8 pin) } static inline int __init -p2k_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +p2k_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { static char irq_tab[][5] __initdata = { /*INT A B C D */ @@ -205,7 +208,27 @@ noname_init_pci(void) common_init_pci(); sio_pci_route(); sio_fixup_irq_levels(sio_collect_irq_levels()); - ns87312_enable_ide(0x26e); + + if (pc873xx_probe() == -1) { + printk(KERN_ERR "Probing for PC873xx Super IO chip failed.\n"); + } else { + printk(KERN_INFO "Found %s Super IO chip at 0x%x\n", + pc873xx_get_model(), pc873xx_get_base()); + + /* Enabling things in the Super IO chip doesn't actually + * configure and enable things, the legacy drivers still + * need to do the actual configuration and enabling. + * This only unblocks them. + */ + +#if !defined(CONFIG_ALPHA_AVANTI) + /* Don't bother on the Avanti family. + * None of them had on-board IDE. + */ + pc873xx_enable_ide(); +#endif + pc873xx_enable_epp19(); + } } static inline void __init @@ -229,8 +252,8 @@ alphabook1_init_pci(void) */ dev = NULL; - while ((dev = pci_find_device(PCI_VENDOR_ID_NCR, PCI_ANY_ID, dev))) { - if (dev->device == PCI_DEVICE_ID_NCR_53C810 + while ((dev = pci_get_device(PCI_VENDOR_ID_NCR, PCI_ANY_ID, dev))) { + if (dev->device == PCI_DEVICE_ID_NCR_53C810 || dev->device == PCI_DEVICE_ID_NCR_53C815 || dev->device == PCI_DEVICE_ID_NCR_53C820 || dev->device == PCI_DEVICE_ID_NCR_53C825) { @@ -335,7 +358,7 @@ struct alpha_machine_vector avanti_mv __initmv = { .pci_swizzle = common_swizzle, .sys = { .sio = { - .route_tab = 0x0b0a0e0f, + .route_tab = 0x0b0a050f, /* leave 14 for IDE, 9 for SND */ }} }; ALIAS_MV(avanti) |