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8286ae0330
Add MIPS Common Device Memory Map (CDMM) support in the form of a bus in the standard Linux device model. Each device attached via CDMM is discoverable via an 8-bit type identifier and may contain a number of blocks of memory mapped registers in the CDMM region. IRQs are expected to be handled separately. Due to the per-cpu (per-VPE for MT cores) nature of the CDMM devices, all the driver callbacks take place from workqueues which are run on the right CPU for the device in question, so that the driver doesn't need to be as concerned about which CPU it is running on. Callbacks also exist for when CPUs are taken offline, so that any per-CPU resources used by the driver can be disabled so they don't get forcefully migrated. CDMM devices are created as children of the CPU device they are attached to. Any existing CDMM configuration by the bootloader will be inherited, however platforms wishing to enable CDMM should implement the weak mips_cdmm_phys_base() function (see asm/cdmm.h) so that the bus driver knows where it should put the CDMM region in the physical address space if the bootloader hasn't already enabled it. A mips_cdmm_early_probe() function is also provided to allow early boot or particularly low level code to set up the CDMM region and probe for a specific device type, for example early console or KGDB IO drivers for the EJTAG Fast Debug Channel (FDC) CDMM device. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/9599/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
194 lines
5.3 KiB
C
194 lines
5.3 KiB
C
#include <linux/kbuild.h>
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#include <linux/mod_devicetable.h>
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#define DEVID(devid) DEFINE(SIZE_##devid, sizeof(struct devid))
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#define DEVID_FIELD(devid, field) \
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DEFINE(OFF_##devid##_##field, offsetof(struct devid, field))
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int main(void)
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{
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DEVID(usb_device_id);
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DEVID_FIELD(usb_device_id, match_flags);
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DEVID_FIELD(usb_device_id, idVendor);
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DEVID_FIELD(usb_device_id, idProduct);
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DEVID_FIELD(usb_device_id, bcdDevice_lo);
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DEVID_FIELD(usb_device_id, bcdDevice_hi);
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DEVID_FIELD(usb_device_id, bDeviceClass);
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DEVID_FIELD(usb_device_id, bDeviceSubClass);
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DEVID_FIELD(usb_device_id, bDeviceProtocol);
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DEVID_FIELD(usb_device_id, bInterfaceClass);
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DEVID_FIELD(usb_device_id, bInterfaceSubClass);
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DEVID_FIELD(usb_device_id, bInterfaceProtocol);
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DEVID_FIELD(usb_device_id, bInterfaceNumber);
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DEVID(hid_device_id);
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DEVID_FIELD(hid_device_id, bus);
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DEVID_FIELD(hid_device_id, group);
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DEVID_FIELD(hid_device_id, vendor);
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DEVID_FIELD(hid_device_id, product);
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DEVID(ieee1394_device_id);
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DEVID_FIELD(ieee1394_device_id, match_flags);
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DEVID_FIELD(ieee1394_device_id, vendor_id);
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DEVID_FIELD(ieee1394_device_id, model_id);
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DEVID_FIELD(ieee1394_device_id, specifier_id);
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DEVID_FIELD(ieee1394_device_id, version);
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DEVID(pci_device_id);
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DEVID_FIELD(pci_device_id, vendor);
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DEVID_FIELD(pci_device_id, device);
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DEVID_FIELD(pci_device_id, subvendor);
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DEVID_FIELD(pci_device_id, subdevice);
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DEVID_FIELD(pci_device_id, class);
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DEVID_FIELD(pci_device_id, class_mask);
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DEVID(ccw_device_id);
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DEVID_FIELD(ccw_device_id, match_flags);
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DEVID_FIELD(ccw_device_id, cu_type);
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DEVID_FIELD(ccw_device_id, cu_model);
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DEVID_FIELD(ccw_device_id, dev_type);
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DEVID_FIELD(ccw_device_id, dev_model);
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DEVID(ap_device_id);
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DEVID_FIELD(ap_device_id, dev_type);
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DEVID(css_device_id);
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DEVID_FIELD(css_device_id, type);
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DEVID(serio_device_id);
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DEVID_FIELD(serio_device_id, type);
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DEVID_FIELD(serio_device_id, proto);
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DEVID_FIELD(serio_device_id, id);
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DEVID_FIELD(serio_device_id, extra);
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DEVID(acpi_device_id);
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DEVID_FIELD(acpi_device_id, id);
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DEVID(pnp_device_id);
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DEVID_FIELD(pnp_device_id, id);
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DEVID(pnp_card_device_id);
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DEVID_FIELD(pnp_card_device_id, devs);
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DEVID(pcmcia_device_id);
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DEVID_FIELD(pcmcia_device_id, match_flags);
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DEVID_FIELD(pcmcia_device_id, manf_id);
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DEVID_FIELD(pcmcia_device_id, card_id);
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DEVID_FIELD(pcmcia_device_id, func_id);
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DEVID_FIELD(pcmcia_device_id, function);
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DEVID_FIELD(pcmcia_device_id, device_no);
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DEVID_FIELD(pcmcia_device_id, prod_id_hash);
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DEVID(of_device_id);
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DEVID_FIELD(of_device_id, name);
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DEVID_FIELD(of_device_id, type);
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DEVID_FIELD(of_device_id, compatible);
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DEVID(vio_device_id);
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DEVID_FIELD(vio_device_id, type);
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DEVID_FIELD(vio_device_id, compat);
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DEVID(input_device_id);
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DEVID_FIELD(input_device_id, flags);
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DEVID_FIELD(input_device_id, bustype);
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DEVID_FIELD(input_device_id, vendor);
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DEVID_FIELD(input_device_id, product);
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DEVID_FIELD(input_device_id, version);
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DEVID_FIELD(input_device_id, evbit);
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DEVID_FIELD(input_device_id, keybit);
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DEVID_FIELD(input_device_id, relbit);
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DEVID_FIELD(input_device_id, absbit);
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DEVID_FIELD(input_device_id, mscbit);
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DEVID_FIELD(input_device_id, ledbit);
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DEVID_FIELD(input_device_id, sndbit);
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DEVID_FIELD(input_device_id, ffbit);
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DEVID_FIELD(input_device_id, swbit);
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DEVID(eisa_device_id);
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DEVID_FIELD(eisa_device_id, sig);
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DEVID(parisc_device_id);
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DEVID_FIELD(parisc_device_id, hw_type);
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DEVID_FIELD(parisc_device_id, hversion);
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DEVID_FIELD(parisc_device_id, hversion_rev);
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DEVID_FIELD(parisc_device_id, sversion);
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DEVID(sdio_device_id);
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DEVID_FIELD(sdio_device_id, class);
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DEVID_FIELD(sdio_device_id, vendor);
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DEVID_FIELD(sdio_device_id, device);
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DEVID(ssb_device_id);
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DEVID_FIELD(ssb_device_id, vendor);
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DEVID_FIELD(ssb_device_id, coreid);
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DEVID_FIELD(ssb_device_id, revision);
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DEVID(bcma_device_id);
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DEVID_FIELD(bcma_device_id, manuf);
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DEVID_FIELD(bcma_device_id, id);
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DEVID_FIELD(bcma_device_id, rev);
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DEVID_FIELD(bcma_device_id, class);
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DEVID(virtio_device_id);
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DEVID_FIELD(virtio_device_id, device);
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DEVID_FIELD(virtio_device_id, vendor);
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DEVID(hv_vmbus_device_id);
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DEVID_FIELD(hv_vmbus_device_id, guid);
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DEVID(i2c_device_id);
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DEVID_FIELD(i2c_device_id, name);
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DEVID(spi_device_id);
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DEVID_FIELD(spi_device_id, name);
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DEVID(dmi_system_id);
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DEVID_FIELD(dmi_system_id, matches);
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DEVID(platform_device_id);
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DEVID_FIELD(platform_device_id, name);
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DEVID(mdio_device_id);
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DEVID_FIELD(mdio_device_id, phy_id);
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DEVID_FIELD(mdio_device_id, phy_id_mask);
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DEVID(zorro_device_id);
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DEVID_FIELD(zorro_device_id, id);
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DEVID(isapnp_device_id);
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DEVID_FIELD(isapnp_device_id, vendor);
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DEVID_FIELD(isapnp_device_id, function);
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DEVID(ipack_device_id);
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DEVID_FIELD(ipack_device_id, format);
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DEVID_FIELD(ipack_device_id, vendor);
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DEVID_FIELD(ipack_device_id, device);
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DEVID(amba_id);
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DEVID_FIELD(amba_id, id);
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DEVID_FIELD(amba_id, mask);
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DEVID(mips_cdmm_device_id);
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DEVID_FIELD(mips_cdmm_device_id, type);
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DEVID(x86_cpu_id);
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DEVID_FIELD(x86_cpu_id, feature);
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DEVID_FIELD(x86_cpu_id, family);
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DEVID_FIELD(x86_cpu_id, model);
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DEVID_FIELD(x86_cpu_id, vendor);
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DEVID(cpu_feature);
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DEVID_FIELD(cpu_feature, feature);
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DEVID(mei_cl_device_id);
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DEVID_FIELD(mei_cl_device_id, name);
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DEVID(rio_device_id);
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DEVID_FIELD(rio_device_id, did);
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DEVID_FIELD(rio_device_id, vid);
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DEVID_FIELD(rio_device_id, asm_did);
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DEVID_FIELD(rio_device_id, asm_vid);
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return 0;
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}
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