diff options
Diffstat (limited to 'cfe/cfe/ui/ui_pcicmds.c')
| -rw-r--r-- | cfe/cfe/ui/ui_pcicmds.c | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/cfe/cfe/ui/ui_pcicmds.c b/cfe/cfe/ui/ui_pcicmds.c new file mode 100644 index 0000000..8875f8e --- /dev/null +++ b/cfe/cfe/ui/ui_pcicmds.c @@ -0,0 +1,282 @@ +/* ********************************************************************* + * Broadcom Common Firmware Environment (CFE) + * + * PCI Commands File: ui_pcicmds.c + * + * PCI user interface routines + * + * Author: Mitch Lichtenberg (mpl@broadcom.com) + * + ********************************************************************* + * + * Copyright 2000,2001,2002,2003 + * Broadcom Corporation. All rights reserved. + * + * This software is furnished under license and may be used and + * copied only in accordance with the following terms and + * conditions. Subject to these conditions, you may download, + * copy, install, use, modify and distribute modified or unmodified + * copies of this software in source and/or binary form. No title + * or ownership is transferred hereby. + * + * 1) Any source code used, modified or distributed must reproduce + * and retain this copyright notice and list of conditions + * as they appear in the source file. + * + * 2) No right is granted to use any trade name, trademark, or + * logo of Broadcom Corporation. The "Broadcom Corporation" + * name may not be used to endorse or promote products derived + * from this software without the prior written permission of + * Broadcom Corporation. + * + * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED + * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR + * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT + * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN + * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR 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), EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + ********************************************************************* */ + + +#include "lib_types.h" +#include "lib_string.h" +#include "lib_queue.h" +#include "lib_malloc.h" +#include "lib_printf.h" + +#include "cfe_iocb.h" +#include "cfe_device.h" +#include "cfe_console.h" +#include "env_subr.h" +#include "ui_command.h" +#include "cfe.h" + +#include "pcivar.h" +#include "pcireg.h" + +#include "bsp_config.h" + +int ui_init_pcicmds(void); + +#if CFG_PCI +static int pci_print_summary(pcitag_t tag) +{ + pcireg_t id, class; + char devinfo[256]; + + class = pci_conf_read(tag, PCI_CLASS_REG); + id = pci_conf_read(tag, PCI_ID_REG); + + pci_devinfo(id, class, 1, devinfo); + pci_tagprintf (tag, "%s\n", devinfo); + + return 0; +} + +static int pci_print_concise(pcitag_t tag) +{ + pci_tagprintf (tag, "\n"); + pci_conf_print(tag); + + return 0; +} + +static int ui_cmd_pci(ui_cmdline_t *cmd,int argc,char *argv[]) +{ + char *argp; + + if (cmd_sw_isset(cmd,"-init")) { + pci_configure(PCI_FLG_LDT_PREFETCH | PCI_FLG_NORMAL); + return 0; + } + + argp = cmd_getarg(cmd,0); + + if (argp == NULL) { + if (cmd_sw_isset(cmd,"-v")) { + pci_foreachdev(pci_print_concise); + } + else { + pci_foreachdev(pci_print_summary); + } + } + else { + /* parse the triplet */ + int bus, dev, func; + pcitag_t tag; + char *p; + + bus = dev = func = 0; + p = argp; + + while (*p >= '0' && *p <= '9') { + bus = bus*10 + (*p - '0'); + p++; + } + if (*p != '/') + goto fail; + p++; + while (*p >= '0' && *p <= '9') { + dev = dev*10 + (*p - '0'); + p++; + } + if (*p != '/') + goto fail; + p++; + while (*p >= '0' && *p <= '9') { + func = func*10 + (*p - '0'); + p++; + } + if (*p != '\000') + goto fail; + + tag = pci_make_tag(bus,dev,func); + + pci_print_concise(tag); + } + + return 0; + +fail: + printf("invalid PCI triplet %s\n", argp); + return -1; +} + + +static uint64_t parse_hex(const char *num) +{ + uint64_t x = 0; + unsigned int digit; + + if ((*num == '0') && (*(num+1) == 'x')) num += 2; + + while (*num) { + if ((*num >= '0') && (*num <= '9')) { + digit = *num - '0'; + } + else if ((*num >= 'A') && (*num <= 'F')) { + digit = 10 + *num - 'A'; + } + else if ((*num >= 'a') && (*num <= 'f')) { + digit = 10 + *num - 'a'; + } + else { + break; + } + x *= 16; + x += digit; + num++; + } + + return x; +} + +static int ui_cmd_map_pci(ui_cmdline_t *cmd,int argc,char *argv[]) +{ + unsigned long offset, size; + uint64_t paddr; + int l2ca, endian; + int enable; + int result; + + enable = !cmd_sw_isset(cmd, "-off"); + if (enable) { + offset = parse_hex(cmd_getarg(cmd, 0)); + size = parse_hex(cmd_getarg(cmd, 1)); + paddr = parse_hex(cmd_getarg(cmd, 2)); + l2ca = cmd_sw_isset(cmd,"-l2ca"); + endian = cmd_sw_isset(cmd, "-matchbits"); + result = pci_map_window(paddr, offset, size, l2ca, endian); + } + else { + offset = parse_hex(cmd_getarg(cmd, 0)); + size = parse_hex(cmd_getarg(cmd, 1)); + result = pci_unmap_window(offset, size); + } + + return result; +} +#endif + +#ifdef CFG_VGACONSOLE + +extern int vga_biosinit(void); +extern int vga_probe(void); +extern void vgaraw_dump(char *tail); + +static int ui_cmd_vgainit(ui_cmdline_t *cmd,int argc,char *argv[]) +{ + int res; + + if (vga_probe() == 0) { + res = vga_biosinit(); + xprintf("vgabios_init returns %d\n",res); + } + else + xprintf("vga_probe found no suitable adapter\n"); + + return 0; +} + +static int ui_cmd_vgadump(ui_cmdline_t *cmd,int argc,char *argv[]) +{ + char *x; + + x = cmd_getarg(cmd,0); + if (x == NULL) x = ""; + vgaraw_dump(x); + + return 0; +} +#endif /* CFG_VGACONSOLE */ + + +int ui_init_pcicmds(void) +{ + +#if CFG_PCI + cmd_addcmd("show pci", + ui_cmd_pci, + NULL, + "Display information about PCI buses and devices", + "show pci [-v] [bus/dev/func]\n\n" + "Displays information about PCI and LDT buses and devices in the\n" + "system. If you specify a bus/dev/func triplet, only that device\n" + " will be displayed.", + "-v;Display verbose information|" + "-init;Reinitialize and rescan the PCI bus"); + cmd_addcmd("map pci", + ui_cmd_map_pci, + NULL, + "Define a BAR0 window available to PCI devices", + "map pci offset size paddr [-off] [-l2ca] [-matchbits]\n\n" + "Map the region of size bytes starting at paddr to appear\n" + "at offset relative to BAR0\n", + "-off;Remove the region|" + "-l2ca;Make L2 cachable|" + "-matchbits;Use match bits policy"); + +#ifdef CFG_VGACONSOLE + cmd_addcmd("vga init", + ui_cmd_vgainit, + NULL, + "Initialize the VGA adapter.", + "vgainit", + ""); + cmd_addcmd("vga dumpbios", + ui_cmd_vgadump, + NULL, + "Dump the VGA BIOS to the console", + "vga dumpbios", + ""); +#endif /* CFG_VGACONSOLE */ +#endif + return 0; +} |