diff options
Diffstat (limited to 'drivers/ide/ide-generic.c')
-rw-r--r-- | drivers/ide/ide-generic.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c deleted file mode 100644 index 80c0d69b83ac..000000000000 --- a/drivers/ide/ide-generic.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * generic/default IDE host driver - * - * Copyright (C) 2004, 2008-2009 Bartlomiej Zolnierkiewicz - * This code was split off from ide.c. See it for original copyrights. - * - * May be copied or modified under the terms of the GNU General Public License. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/ide.h> -#include <linux/pci_ids.h> - -/* FIXME: convert arm to use ide_platform host driver */ -#ifdef CONFIG_ARM -#include <asm/irq.h> -#endif - -#define DRV_NAME "ide_generic" - -static int probe_mask; -module_param(probe_mask, int, 0); -MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports"); - -static const struct ide_port_info ide_generic_port_info = { - .host_flags = IDE_HFLAG_NO_DMA, - .chipset = ide_generic, -}; - -#ifdef CONFIG_ARM -static const u16 legacy_bases[] = { 0x1f0 }; -static const int legacy_irqs[] = { IRQ_HARDDISK }; -#elif defined(CONFIG_ALPHA) -static const u16 legacy_bases[] = { 0x1f0, 0x170, 0x1e8, 0x168 }; -static const int legacy_irqs[] = { 14, 15, 11, 10 }; -#else -static const u16 legacy_bases[] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 }; -static const int legacy_irqs[] = { 14, 15, 11, 10, 8, 12 }; -#endif - -static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary) -{ -#ifdef CONFIG_PCI - struct pci_dev *p = NULL; - u16 val; - - for_each_pci_dev(p) { - if (pci_resource_start(p, 0) == 0x1f0) - *primary = 1; - if (pci_resource_start(p, 2) == 0x170) - *secondary = 1; - - /* Cyrix CS55{1,2}0 pre SFF MWDMA ATA on the bridge */ - if (p->vendor == PCI_VENDOR_ID_CYRIX && - (p->device == PCI_DEVICE_ID_CYRIX_5510 || - p->device == PCI_DEVICE_ID_CYRIX_5520)) - *primary = *secondary = 1; - - /* Intel MPIIX - PIO ATA on non PCI side of bridge */ - if (p->vendor == PCI_VENDOR_ID_INTEL && - p->device == PCI_DEVICE_ID_INTEL_82371MX) { - pci_read_config_word(p, 0x6C, &val); - if (val & 0x8000) { - /* ATA port enabled */ - if (val & 0x4000) - *secondary = 1; - else - *primary = 1; - } - } - } -#endif -} - -static int __init ide_generic_init(void) -{ - struct ide_hw hw, *hws[] = { &hw }; - unsigned long io_addr; - int i, rc = 0, primary = 0, secondary = 0; - - ide_generic_check_pci_legacy_iobases(&primary, &secondary); - - if (!probe_mask) { - printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" " - "module parameter for probing all legacy ISA IDE ports\n"); - - if (primary == 0) - probe_mask |= 0x1; - - if (secondary == 0) - probe_mask |= 0x2; - } else - printk(KERN_INFO DRV_NAME ": enforcing probing of I/O ports " - "upon user request\n"); - - for (i = 0; i < ARRAY_SIZE(legacy_bases); i++) { - io_addr = legacy_bases[i]; - - if ((probe_mask & (1 << i)) && io_addr) { - if (!request_region(io_addr, 8, DRV_NAME)) { - printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX " - "not free.\n", - DRV_NAME, io_addr, io_addr + 7); - rc = -EBUSY; - continue; - } - - if (!request_region(io_addr + 0x206, 1, DRV_NAME)) { - printk(KERN_ERR "%s: I/O resource 0x%lX " - "not free.\n", - DRV_NAME, io_addr + 0x206); - release_region(io_addr, 8); - rc = -EBUSY; - continue; - } - - memset(&hw, 0, sizeof(hw)); - ide_std_init_ports(&hw, io_addr, io_addr + 0x206); -#ifdef CONFIG_IA64 - hw.irq = isa_irq_to_vector(legacy_irqs[i]); -#else - hw.irq = legacy_irqs[i]; -#endif - rc = ide_host_add(&ide_generic_port_info, hws, 1, NULL); - if (rc) { - release_region(io_addr + 0x206, 1); - release_region(io_addr, 8); - } - } - } - - return rc; -} - -module_init(ide_generic_init); - -MODULE_LICENSE("GPL"); |