diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/pc386/console/uart_bus_pci.c')
| -rw-r--r-- | c/src/lib/libbsp/i386/pc386/console/uart_bus_pci.c | 477 |
1 files changed, 0 insertions, 477 deletions
diff --git a/c/src/lib/libbsp/i386/pc386/console/uart_bus_pci.c b/c/src/lib/libbsp/i386/pc386/console/uart_bus_pci.c deleted file mode 100644 index ac0c3bf86e..0000000000 --- a/c/src/lib/libbsp/i386/pc386/console/uart_bus_pci.c +++ /dev/null @@ -1,477 +0,0 @@ -/* - * This file was brought over from FreeBSD for the PCI device table. - * The code for using the table is RTEMS specific is also under the - * FreeBSD license. - * - * COPYRIGHT (c) 1989-2012. - * On-Line Applications Research Corporation (OAR). - */ - -/*- - * Copyright (c) 2006 Marcel Moolenaar - * Copyright (c) 2001 M. Warner Losh - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifdef __rtems__ -#include <stddef.h> -#include <stdint.h> -#include <i386_io.h> -#else -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> -#include <sys/conf.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <machine/bus.h> -#include <sys/rman.h> -#include <machine/resource.h> - -#include <dev/pci/pcivar.h> - -#include <dev/uart/uart.h> -#include <dev/uart/uart_bus.h> - -#endif - -#define DEFAULT_RCLK 1843200 - -#ifndef __rtems__ -static int uart_pci_probe(device_t dev); - -static device_method_t uart_pci_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, uart_pci_probe), - DEVMETHOD(device_attach, uart_bus_attach), - DEVMETHOD(device_detach, uart_bus_detach), - DEVMETHOD(device_resume, uart_bus_resume), - DEVMETHOD_END -}; - -static driver_t uart_pci_driver = { - uart_driver_name, - uart_pci_methods, - sizeof(struct uart_softc), -}; -#endif - -struct pci_id { - uint16_t vendor; - uint16_t device; - uint16_t subven; - uint16_t subdev; - const char *desc; - int rid; - int rclk; - int regshft; -}; - -static const struct pci_id pci_ns8250_ids[] = { -{ 0x1028, 0x0008, 0xffff, 0, "Dell Remote Access Card III", 0x14, - 128 * DEFAULT_RCLK }, -{ 0x1028, 0x0012, 0xffff, 0, "Dell RAC 4 Daughter Card Virtual UART", 0x14, - 128 * DEFAULT_RCLK }, -{ 0x1033, 0x0074, 0x1033, 0x8014, "NEC RCV56ACF 56k Voice Modem", 0x10 }, -{ 0x1033, 0x007d, 0x1033, 0x8012, "NEC RS232C", 0x10 }, -{ 0x103c, 0x1048, 0x103c, 0x1227, "HP Diva Serial [GSP] UART - Powerbar SP2", - 0x10 }, -{ 0x103c, 0x1048, 0x103c, 0x1301, "HP Diva RMP3", 0x14 }, -{ 0x103c, 0x1290, 0xffff, 0, "HP Auxiliary Diva Serial Port", 0x18 }, -{ 0x103c, 0x3301, 0xffff, 0, "HP iLO serial port", 0x10 }, -{ 0x11c1, 0x0480, 0xffff, 0, "Agere Systems Venus Modem (V90, 56KFlex)", 0x14 }, -{ 0x115d, 0x0103, 0xffff, 0, "Xircom Cardbus Ethernet + 56k Modem", 0x10 }, -{ 0x1282, 0x6585, 0xffff, 0, "Davicom 56PDV PCI Modem", 0x10 }, -{ 0x12b9, 0x1008, 0xffff, 0, "3Com 56K FaxModem Model 5610", 0x10 }, -{ 0x131f, 0x1000, 0xffff, 0, "Siig CyberSerial (1-port) 16550", 0x18 }, -{ 0x131f, 0x1001, 0xffff, 0, "Siig CyberSerial (1-port) 16650", 0x18 }, -{ 0x131f, 0x1002, 0xffff, 0, "Siig CyberSerial (1-port) 16850", 0x18 }, -{ 0x131f, 0x2000, 0xffff, 0, "Siig CyberSerial (1-port) 16550", 0x10 }, -{ 0x131f, 0x2001, 0xffff, 0, "Siig CyberSerial (1-port) 16650", 0x10 }, -{ 0x131f, 0x2002, 0xffff, 0, "Siig CyberSerial (1-port) 16850", 0x10 }, -{ 0x135c, 0x0190, 0xffff, 0, "Quatech SSCLP-100", 0x18 }, -{ 0x135c, 0x01c0, 0xffff, 0, "Quatech SSCLP-200/300", 0x18 }, -{ 0x135e, 0x7101, 0xffff, 0, "Sealevel Systems Single Port RS-232/422/485/530", - 0x18 }, -{ 0x1407, 0x0110, 0xffff, 0, "Lava Computer mfg DSerial-PCI Port A", 0x10 }, -{ 0x1407, 0x0111, 0xffff, 0, "Lava Computer mfg DSerial-PCI Port B", 0x10 }, -{ 0x1407, 0x0510, 0xffff, 0, "Lava SP Serial 550 PCI", 0x10 }, -{ 0x1409, 0x7168, 0x1409, 0x4025, "Timedia Technology Serial Port", 0x10, - 8 * DEFAULT_RCLK }, -{ 0x1409, 0x7168, 0x1409, 0x4027, "Timedia Technology Serial Port", 0x10, - 8 * DEFAULT_RCLK }, -{ 0x1409, 0x7168, 0x1409, 0x4028, "Timedia Technology Serial Port", 0x10, - 8 * DEFAULT_RCLK }, -{ 0x1409, 0x7168, 0x1409, 0x5025, "Timedia Technology Serial Port", 0x10, - 8 * DEFAULT_RCLK }, -{ 0x1409, 0x7168, 0x1409, 0x5027, "Timedia Technology Serial Port", 0x10, - 8 * DEFAULT_RCLK }, -{ 0x1415, 0x950b, 0xffff, 0, "Oxford Semiconductor OXCB950 Cardbus 16950 UART", - 0x10, 16384000 }, -{ 0x1415, 0xc120, 0xffff, 0, "Oxford Semiconductor OXPCIe952 PCIe 16950 UART", - 0x10 }, -{ 0x14e4, 0x4344, 0xffff, 0, "Sony Ericsson GC89 PC Card", 0x10}, -{ 0x151f, 0x0000, 0xffff, 0, "TOPIC Semiconductor TP560 56k modem", 0x10 }, -{ 0x1fd4, 0x1999, 0x1fd4, 0x0001, "Sunix SER5xxxx Serial Port", 0x10, - 8 * DEFAULT_RCLK }, -{ 0x8086, 0x0f0a, 0xffff, 0, "Intel ValleyView LPIO1 HSUART#1", 0x10, - 24 * DEFAULT_RCLK, 2 }, -{ 0x8086, 0x0f0c, 0xffff, 0, "Intel ValleyView LPIO1 HSUART#2", 0x10, - 24 * DEFAULT_RCLK, 2 }, -{ 0x8086, 0x1c3d, 0xffff, 0, "Intel AMT - KT Controller", 0x10 }, -{ 0x8086, 0x1d3d, 0xffff, 0, "Intel C600/X79 Series Chipset KT Controller", 0x10 }, -{ 0x8086, 0x2a07, 0xffff, 0, "Intel AMT - PM965/GM965 KT Controller", 0x10 }, -{ 0x8086, 0x2a47, 0xffff, 0, "Mobile 4 Series Chipset KT Controller", 0x10 }, -{ 0x8086, 0x2e17, 0xffff, 0, "4 Series Chipset Serial KT Controller", 0x10 }, -{ 0x8086, 0x3b67, 0xffff, 0, "5 Series/3400 Series Chipset KT Controller", - 0x10 }, -{ 0x8086, 0x8811, 0xffff, 0, "Intel EG20T Serial Port 0", 0x10 }, -{ 0x8086, 0x8812, 0xffff, 0, "Intel EG20T Serial Port 1", 0x10 }, -{ 0x8086, 0x8813, 0xffff, 0, "Intel EG20T Serial Port 2", 0x10 }, -{ 0x8086, 0x8814, 0xffff, 0, "Intel EG20T Serial Port 3", 0x10 }, -{ 0x8086, 0x8c3d, 0xffff, 0, "Intel Lynx Point KT Controller", 0x10 }, -{ 0x8086, 0x8cbd, 0xffff, 0, "Intel Wildcat Point KT Controller", 0x10 }, -{ 0x8086, 0x9c3d, 0xffff, 0, "Intel Lynx Point-LP HECI KT", 0x10 }, -{ 0x9710, 0x9820, 0x1000, 1, "NetMos NM9820 Serial Port", 0x10 }, -{ 0x9710, 0x9835, 0x1000, 1, "NetMos NM9835 Serial Port", 0x10 }, -{ 0x9710, 0x9865, 0xa000, 0x1000, "NetMos NM9865 Serial Port", 0x10 }, -{ 0x9710, 0x9900, 0xa000, 0x1000, - "MosChip MCS9900 PCIe to Peripheral Controller", 0x10 }, -{ 0x9710, 0x9901, 0xa000, 0x1000, - "MosChip MCS9901 PCIe to Peripheral Controller", 0x10 }, -{ 0x9710, 0x9904, 0xa000, 0x1000, - "MosChip MCS9904 PCIe to Peripheral Controller", 0x10 }, -{ 0x9710, 0x9922, 0xa000, 0x1000, - "MosChip MCS9922 PCIe to Peripheral Controller", 0x10 }, -{ 0xdeaf, 0x9051, 0xffff, 0, "Middle Digital PC Weasel Serial Port", 0x10 }, -{ 0xffff, 0, 0xffff, 0, NULL, 0, 0} -}; - -#ifndef __rtems__ -const static struct pci_id * -uart_pci_match(device_t dev, const struct pci_id *id) -{ - uint16_t device, subdev, subven, vendor; - - vendor = pci_get_vendor(dev); - device = pci_get_device(dev); - while (id->vendor != 0xffff && - (id->vendor != vendor || id->device != device)) - id++; - if (id->vendor == 0xffff) - return (NULL); - if (id->subven == 0xffff) - return (id); - subven = pci_get_subvendor(dev); - subdev = pci_get_subdevice(dev); - while (id->vendor == vendor && id->device == device && - (id->subven != subven || id->subdev != subdev)) - id++; - return ((id->vendor == vendor && id->device == device) ? id : NULL); -} - -static int -uart_pci_probe(device_t dev) -{ - struct uart_softc *sc; - const struct pci_id *id; - int result; - - sc = device_get_softc(dev); - - id = uart_pci_match(dev, pci_ns8250_ids); - if (id != NULL) { - sc->sc_class = &uart_ns8250_class; - goto match; - } - /* Add checks for non-ns8250 IDs here. */ - return (ENXIO); - - match: - result = uart_bus_probe(dev, id->regshft, id->rclk, id->rid, 0); - /* Bail out on error. */ - if (result > 0) - return (result); - /* Set/override the device description. */ - if (id->desc) - device_set_desc(dev, id->desc); - return (result); -} - -DRIVER_MODULE(uart, pci, uart_pci_driver, uart_devclass, NULL, NULL); -#endif - -#ifdef __rtems__ - -#include <bsp.h> -#include <bsp/bspimpl.h> - -#include <stdio.h> -#include <stdlib.h> - -#include <libchip/serial.h> -#include <libchip/ns16550.h> -#include <rtems/bspIo.h> -#include <rtems/pci.h> -#include "../../../../../../../bsps/shared/dev/serial/legacy-console.h" - -#define MAX_BOARDS 4 - -/* - * Information saved from PCI scan - */ -typedef struct { - bool found; - const char* desc; - uint32_t base; - uint8_t irq; - uint8_t bus; - uint8_t slot; - int ports; - uint32_t clock; -} port_instance_conf_t; - -/* - * Memory Mapped Register Access Routines - */ - -#define UART_PCI_IO (0) - -static uint8_t pci_ns16550_mem_get_register(uint32_t addr, uint8_t i) -{ - uint8_t val = 0; - volatile uint32_t *reg = (volatile uint32_t *)(addr + (i*4)); - val = *reg; - if (UART_PCI_IO) - printk( "RD(%p -> 0x%02x) ", reg, val ); - return val; -} - -static void pci_ns16550_mem_set_register(uint32_t addr, uint8_t i, uint8_t val) -{ - volatile uint32_t *reg = (volatile uint32_t *)(addr + (i*4)); - if (UART_PCI_IO) - printk( "WR(%p <- 0x%02x) ", reg, val ); - *reg = val; -} - -/* - * IO Register Access Routines - */ -static uint8_t pci_ns16550_io_get_register(uint32_t addr, uint8_t i) -{ - uint8_t val = rtems_inb(addr + i); - if (UART_PCI_IO) - printk( "RD(%p -> 0x%02x) ", (void*) addr + i, val ); - return val; -} - -static void pci_ns16550_io_set_register(uint32_t addr, uint8_t i, uint8_t val) -{ - if (UART_PCI_IO) - printk( "WR(%p <- 0x%02x) ", (void*) addr + i, val ); - rtems_outb(addr + i, val); -} - -void pci_uart_probe(void) -{ - port_instance_conf_t conf[MAX_BOARDS]; - int boards = 0; - int b = 0; - console_tbl *ports; - console_tbl *port_p; - int bus; - int dev; - int fun; - int status; - int instance; - int i; - int total_ports = 0; - - for ( b=0 ; b<MAX_BOARDS ; b++ ) { - conf[b].found = false; - } - - /* - * Scan for Serial port boards - */ - for ( instance=0 ; instance < MAX_BOARDS ; instance++ ) { - - for ( i=0 ; pci_ns8250_ids[i].vendor != 0xffff ; i++ ) { - if ( pci_ns8250_ids[i].vendor == 0xffff ) { - break; - } -/* - printk("Looking for 0x%04x:0x%04x\n", - pci_ns8250_ids[i].vendor, - pci_ns8250_ids[i].device); -*/ - status = pci_find_device( - pci_ns8250_ids[i].vendor, - pci_ns8250_ids[i].device, - instance, - &bus, - &dev, - &fun - ); - if ( status == PCIB_ERR_SUCCESS ) { - uint8_t irq; - uint32_t base; - bool io; - - pci_read_config_dword( bus, dev, fun, PCI_BASE_ADDRESS_0, &base ); - - /* - * Reject memory mapped 64-bit boards. We need 2 BAR registers and the - * driver's base field is only 32-bits any way. - */ - io = (base & 1) == 1; - if (io || (!io && (((base >> 1) & 3) != 2))) { - boards++; - conf[instance].found = true; - conf[instance].desc = pci_ns8250_ids[i].desc; - conf[instance].clock = pci_ns8250_ids[i].rclk; - conf[instance].ports = 1; - total_ports += conf[instance].ports; - - pci_read_config_byte( bus, dev, fun, PCI_INTERRUPT_LINE, &irq ); - - conf[instance].irq = irq; - conf[instance].base = base; - } - } - } - } - - /* - * Now allocate array of device structures and fill them in - */ - if (boards) { - int device_instance; - - ports = calloc( total_ports, sizeof( console_tbl ) ); - if (ports != NULL) { - port_p = ports; - device_instance = 1; - for (b = 0; b < MAX_BOARDS; b++) { - uint32_t base = 0; - bool io; - const char* locatable = ""; - const char* prefectable = locatable; - char name[32]; - if ( conf[b].found == false ) - continue; - sprintf( name, "/dev/pcicom%d", device_instance++ ); - port_p->sDeviceName = strdup( name ); - port_p->deviceType = SERIAL_NS16550; - if ( conf[b].irq <= 15 ) { - port_p->pDeviceFns = &ns16550_fns; - } else { - printk( - "%s IRQ=%d >= 16 requires APIC support, using polling\n", - name, - conf[b].irq - ); - port_p->pDeviceFns = &ns16550_fns_polled; - } - - /* - * PCI BAR (http://wiki.osdev.org/PCI#Base_Address_Registers): - * - * Bit 0: 0 = memory, 1 = IO - * - * Memory: - * Bit 2-1 : 0 = any 32bit address, - * 1 = < 1M - * 2 = any 64bit address - * Bit 3 : 0 = no, 1 = yes - * Bit 31-4 : base address (16-byte aligned) - * - * IO: - * Bit 1 : reserved - * Bit 31-2 : base address (4-byte aligned) - */ - - io = (conf[b].base & 1) == 1; - - if (io) { - base = conf[b].base & 0xfffffffc; - } else { - int loc = (conf[b].base >> 1) & 3; - if (loc == 0) { - base = conf[b].base & 0xfffffff0; - locatable = ",A32"; - } else if (loc == 1) { - base = conf[b].base & 0x0000fff0; - locatable = ",A16"; - } - prefectable = (conf[b].base & (1 << 3)) == 0 ? ",no-prefech" : ",prefetch"; - } - - port_p->deviceProbe = NULL; - port_p->pDeviceFlow = NULL; - port_p->ulMargin = 16; - port_p->ulHysteresis = 8; - port_p->pDeviceParams = (void *) 9600; - port_p->ulCtrlPort1 = base; - port_p->ulCtrlPort2 = 0; /* NA */ - port_p->ulDataPort = 0; /* NA */ - if (io) { - port_p->getRegister = pci_ns16550_io_get_register; - port_p->setRegister = pci_ns16550_io_set_register; - } else { - port_p->getRegister = pci_ns16550_mem_get_register; - port_p->setRegister = pci_ns16550_mem_set_register; - } - port_p->getData = NULL; /* NA */ - port_p->setData = NULL; /* NA */ - port_p->ulClock = conf[b].clock; - port_p->ulIntVector = conf[b].irq; - - - printk( - "%s:%d:%s,%s:0x%lx%s%s,irq:%d,clk:%lu\n", /* */ - name, b, conf[b].desc, - io ? "io" : "mem", base, locatable, prefectable, - conf[b].irq, conf[b].clock - ); - - - port_p++; - } /* end boards */ - - /* - * Register the devices - */ - console_register_devices( ports, total_ports ); - - /* - * Do not free the ports memory, the console hold this memory for-ever. - */ - } - } -} -#endif |