From c690eddc2f3b44b24520f4a77cc3a4c9bde7d571 Mon Sep 17 00:00:00 2001 From: Jesper Nilsson Date: Sun, 11 Mar 2018 11:05:23 +0100 Subject: CRIS: Drop support for the CRIS port The port was added back in 2000 so it's no longer even a good source of inspiration for newer ports (if it ever was) The last SoC (ARTPEC-3) with a CRIS main CPU was launched in 2008. Coupled with time and working developer board hardware being in low supply, it's time to drop the port from Linux. So long and thanks for all the fish! Signed-off-by: Jesper Nilsson Signed-off-by: Arnd Bergmann --- arch/cris/arch-v32/drivers/pci/bios.c | 74 ----------------------------------- 1 file changed, 74 deletions(-) delete mode 100644 arch/cris/arch-v32/drivers/pci/bios.c (limited to 'arch/cris/arch-v32/drivers/pci/bios.c') diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c deleted file mode 100644 index 6b9e6cfaa29e..000000000000 --- a/arch/cris/arch-v32/drivers/pci/bios.c +++ /dev/null @@ -1,74 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include -#include -#include - -void pcibios_set_master(struct pci_dev *dev) -{ - u8 lat; - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); - printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); -} - -resource_size_t -pcibios_align_resource(void *data, const struct resource *res, - resource_size_t size, resource_size_t align) -{ - resource_size_t start = res->start; - - if ((res->flags & IORESOURCE_IO) && (start & 0x300)) - start = (start + 0x3ff) & ~0x3ff; - - return start; -} - -int pcibios_enable_resources(struct pci_dev *dev, int mask) -{ - u16 cmd, old_cmd; - int idx; - struct resource *r; - - pci_read_config_word(dev, PCI_COMMAND, &cmd); - old_cmd = cmd; - for(idx=0; idx<6; idx++) { - /* Only set up the requested stuff */ - if (!(mask & (1<resource[idx]; - if (!r->start && r->end) { - printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev)); - return -EINVAL; - } - if (r->flags & IORESOURCE_IO) - cmd |= PCI_COMMAND_IO; - if (r->flags & IORESOURCE_MEM) - cmd |= PCI_COMMAND_MEMORY; - } - if (dev->resource[PCI_ROM_RESOURCE].start) - cmd |= PCI_COMMAND_MEMORY; - if (cmd != old_cmd) { - printk("PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd); - pci_write_config_word(dev, PCI_COMMAND, cmd); - } - return 0; -} - -int pcibios_enable_irq(struct pci_dev *dev) -{ - dev->irq = EXT_INTR_VECT; - return 0; -} - -int pcibios_enable_device(struct pci_dev *dev, int mask) -{ - int err; - - if ((err = pcibios_enable_resources(dev, mask)) < 0) - return err; - - if (!dev->msi_enabled) - pcibios_enable_irq(dev); - return 0; -} -- cgit