u-boot/common/cmd_pci.c
Kim Phillips 088f1b1991 common/cmd_*.c: sparse fixes
cmd_boot.c:40:5: warning: symbol 'do_go' was not declared. Should it be static?
cmd_bootm.c:164:6: warning: symbol '__arch_preboot_os' was not declared. Should it be static?
cmd_bootm.c:477:5: warning: symbol 'do_bootm_subcommand' was not declared. Should it be static?
cmd_bootm.c:1022:1: error: directive in argument list
cmd_bootm.c:1028:1: error: directive in argument list
cmd_bootm.c:1029:1: error: directive in argument list
cmd_bootm.c:1036:1: error: directive in argument list
cmd_bootm.c:1042:1: error: directive in argument list
cmd_bootm.c:1044:1: error: directive in argument list
cmd_bootm.c:1045:1: error: directive in argument list
cmd_bootm.c:1047:1: error: directive in argument list
cmd_bootm.c:1089:5: warning: symbol 'do_iminfo' was not declared. Should it be static?
cmd_bootm.c:1176:5: warning: symbol 'do_imls' was not declared. Should it be static?
cmd_bootm.c:1654:1: error: directive in argument list
cmd_bootm.c:1660:1: error: directive in argument list
cmd_console.c:32:5: warning: symbol 'do_coninfo' was not declared. Should it be s
cmd_date.c:46:5: warning: symbol 'do_date' was not declared. Should it be static?
cmd_echo.c:27:5: warning: symbol 'do_echo' was not declared. Should it be static?
cmd_exit.c:27:5: warning: symbol 'do_exit' was not declared. Should it be static?
cmd_fat.c:97:5: warning: symbol 'do_fat_ls' was not declared. Should it be static?
cmd_fat.c:136:5: warning: symbol 'do_fat_fsinfo' was not declared. Should it be s
cmd_fdt.c:66:5: warning: symbol 'do_fdt' was not declared. Should it be static?
cmd_fdt.c:542:43: warning: incorrect type in assignment (different base types)
cmd_fdt.c:542:43:    expected unsigned int [unsigned] [usertype] <noident>
cmd_fdt.c:542:43:    got restricted __be32 [usertype] <noident>
cmd_fdt.c:679:42: warning: cast to restricted __be32
cmd_fdt.c:820:1: error: directive in argument list
cmd_fdt.c:822:1: error: directive in argument list
cmd_flash.c:292:5: warning: symbol 'do_flinfo' was not declared. Should it be static?
cmd_flash.c:324:5: warning: symbol 'do_flerase' was not declared. Should it be static?
cmd_flash.c:457:5: warning: symbol 'do_protect' was not declared. Should it be st
cmd_help.c:27:5: warning: symbol 'do_help' was not declared. Should it be static?
cmd_i2c.c:136:6: warning: symbol '__def_i2c_init_board' was not declared. Should it be static?
cmd_i2c.c:144:14: warning: symbol '__def_i2c_get_bus_speed' was not declared. Should it be static?
cmd_i2c.c:151:5: warning: symbol '__def_i2c_set_bus_speed' was not declared. Should it be static?
cmd_i2c.c:1322:1: error: directive in argument list
cmd_i2c.c:1324:1: error: directive in argument list
cmd_i2c.c:1326:1: error: directive in argument list
cmd_i2c.c:1328:1: error: directive in argument list
cmd_i2c.c:1337:1: error: directive in argument list
cmd_i2c.c:1339:1: error: directive in argument list
cmd_irq.c:27:5: warning: symbol 'do_interrupts' was not declared. Should it be static?
cmd_itest.c:133:5: warning: symbol 'binary_test' was not declared. Should it be static?
cmd_itest.c:158:5: warning: symbol 'do_itest' was not declared. Should it be stat
cmd_load.c:54:5: warning: symbol 'do_load_serial' was not declared. Should it be static?
cmd_load.c:431:6: warning: symbol 'his_eol' was not declared. Should it be static?
cmd_load.c:432:6: warning: symbol 'his_pad_count' was not declared. Should it be static?
cmd_load.c:433:6: warning: symbol 'his_pad_char' was not declared. Should it be static?
cmd_load.c:434:6: warning: symbol 'his_quote' was not declared. Should it be static?
cmd_load.c:436:5: warning: symbol 'do_load_serial_bin' was not declared. Should it be static?
cmd_load.c:549:6: warning: symbol 'send_pad' was not declared. Should it be static?
cmd_load.c:558:6: warning: symbol 'ktrans' was not declared. Should it be static?
cmd_load.c:568:5: warning: symbol 'chk1' was not declared. Should it be static?
cmd_load.c:578:6: warning: symbol 's1_sendpacket' was not declared. Should it be static?
cmd_load.c:587:6: warning: symbol 'send_ack' was not declared. Should it be static?
cmd_load.c:600:6: warning: symbol 'send_nack' was not declared. Should it be static?
cmd_load.c:614:6: warning: symbol 'os_data_init' was not declared. Should it be static?
cmd_load.c:615:6: warning: symbol 'os_data_char' was not declared. Should it be static?
cmd_load.c:657:6: warning: symbol 'k_data_init' was not declared. Should it be static?
cmd_load.c:663:6: warning: symbol 'k_data_save' was not declared. Should it be static?
cmd_load.c:669:6: warning: symbol 'k_data_restore' was not declared. Should it be static?
cmd_load.c:675:6: warning: symbol 'k_data_char' was not declared. Should it be static?
cmd_load.c:693:6: warning: symbol 'send_parms' was not declared. Should it be static?
cmd_load.c:694:6: warning: symbol 'send_ptr' was not declared. Should it be static?
cmd_load.c:698:6: warning: symbol 'handle_send_packet' was not declared. Should i
cmd_mdio.c:60:5: warning: symbol 'mdio_write_ranges' was not declared. Should it be static?
cmd_mdio.c:82:5: warning: symbol 'mdio_read_ranges' was not declared. Should it be static?
cmd_mdio.c:115:5: warning: symbol 'extract_reg_range' was not declared. Should it be static?
cmd_mdio.c:144:5: warning: symbol 'extract_phy_range' was not declared. Should it
cmd_mem.c:54:5: warning: symbol 'do_mem_md' was not declared. Should it be static?
cmd_mem.c:150:5: warning: symbol 'do_mem_mm' was not declared. Should it be static?
cmd_mem.c:154:5: warning: symbol 'do_mem_nm' was not declared. Should it be static?
cmd_mem.c:159:5: warning: symbol 'do_mem_mw' was not declared. Should it be static?
cmd_mem.c:256:5: warning: symbol 'do_mem_cmp' was not declared. Should it be static?
cmd_mem.c:326:5: warning: symbol 'do_mem_cp' was not declared. Should it be static?
cmd_mem.c:436:5: warning: symbol 'do_mem_base' was not declared. Should it be static?
cmd_mem.c:449:5: warning: symbol 'do_mem_loop' was not declared. Should it be static?
cmd_mem.c:595:5: warning: symbol 'do_mem_mtest' was not declared. Should it be static?
cmd_mem.c:618:26: warning: Using plain integer as NULL pointer
cmd_mem.c:1057:5: warning: symbol 'do_mem_crc' was not declared. Should it be static?
cmd_misc.c:30:5: warning: symbol 'do_sleep' was not declared. Should it be static
cmd_mmc.c:118:5: warning: symbol 'do_mmcinfo' was not declared. Should it be static?
cmd_mmc.c:272:32: warning: Using plain integer as NULL pointer
cmd_mmc.c:150:5: warning: symbol 'do_mmcops' was not declared. Should it be stati
cmd_mp.c:27:1: warning: symbol 'cpu_cmd' was not declared. Should it be static?
cmd_mp.c:85:1: error: directive in argument list
cmd_mp.c:88:1: error: directive in argument list
cmd_mtdparts.c:150:18: warning: symbol 'mtdids' was not declared. Should it be static?
cmd_mtdparts.c:153:18: warning: symbol 'devices' was not declared. Should it be static?
cmd_mtdparts.c:713:5: warning: symbol 'mtd_device_validate' was not declared. Should it be static?
cmd_mtdparts.c:1887:5: warning: symbol 'do_chpart' was not declared. Should it be static?
cmd_mtdparts.c:1925:5: warning: symbol 'do_mtdparts' was not declared. Should it be static?
cmd_mtdparts.c:2060:1: error: directive in argument list
cmd_mtdparts.c:2063:1: error: directive in argument list
cmd_mtdparts.c:2066:1: error: directive in argument list
cmd_mtdparts.c:2071:1: error: directive in argument list
cmd_mtdparts.c:2073:1: error: directive in argument list
cmd_nand.c:377:18: error: bad constant expression
cmd_nand.c:431:5: warning: symbol 'do_nand' was not declared. Should it be static?
cmd_nand.c:796:1: error: directive in argument list
cmd_nand.c:801:1: error: directive in argument list
cmd_nand.c:802:1: error: directive in argument list
cmd_nand.c:806:1: error: directive in argument list
cmd_nand.c:819:1: error: directive in argument list
cmd_nand.c:824:1: error: directive in argument list
cmd_nand.c:825:1: error: directive in argument list
cmd_nand.c:831:1: error: directive in argument list
cmd_nand.c:918:5: warning: symbol 'do_nandboot' was not declared. Should it be static?
cmd_net.c:33:5: warning: symbol 'do_bootp' was not declared. Should it be static?
cmd_net.c:107:5: warning: symbol 'do_dhcp' was not declared. Should it be static?
cmd_net.c:120:5: warning: symbol 'do_nfs' was not declared. Should it be static?
cmd_nvedit.c:138:5: warning: symbol 'do_env_print' was not declared. Should it be static?
cmd_nvedit.c:323:5: warning: symbol '_do_env_set' was not declared. Should it be static?
cmd_nvedit.c:435:5: warning: symbol 'do_env_set' was not declared. Should it be static?
cmd_nvedit.c:514:5: warning: symbol 'do_env_edit' was not declared. Should it be static?
cmd_nvedit.c:620:5: warning: symbol 'do_env_save' was not declared. Should it be static?
cmd_nvedit.c:1016:1: error: directive in argument list
cmd_nvedit.c:1018:1: error: directive in argument list
cmd_nvedit.c:1021:1: error: directive in argument list
cmd_nvedit.c:1023:1: error: directive in argument list
cmd_nvedit.c:1024:1: error: directive in argument list
cmd_nvedit.c:1026:1: error: directive in argument list
cmd_nvedit.c:1027:1: error: directive in argument list
cmd_nvedit.c:1029:1: error: directive in argument list
cmd_nvedit.c:1030:1: error: directive in argument list
cmd_nvedit.c:1032:1: error: directive in argument list
cmd_nvedit.c:1034:1: error: directive in argument list
cmd_nvedit.c:1036:1: error: directive in argument list
cmd_nvedit.c:1037:1: error: directive in argument list
cmd_nvedit.c:1039:1: error: directive in argument list
cmd_pci.c:38:17: warning: symbol 'ShortPCIListing' was not declared. Should it be static?
cmd_pci.c:38:22: warning: 'ShortPCIListing' defined but not used [-Wunused-variable]
cmd_pci.c:411:5: warning: symbol 'do_pci' was not declared. Should it be static?
cmd_pci.c:494:1: error: directive in argument list
cmd_pci.c:497:1: error: directive in argument list
cmd_reginfo.c:40:5: warning: symbol 'do_reginfo' was not declared. Should it be static?
cmd_sata.c:31:5: warning: symbol 'sata_curr_device' was not declared. Should it be static?
 note -> ata_piix.c doesn't seem to use 'sata_curr_device'; deleted.
cmd_sata.c:32:18: warning: symbol 'sata_dev_desc' was not declared. Should it be static?
cmd_sata.c:70:5: warning: symbol 'do_sata' was not declared. Should it be static?
cmd_setexpr.c:53:5: warning: symbol 'do_setexpr' was not declared. Should it be static?
cmd_source.c:186:1: error: directive in argument list
cmd_source.c:190:1: error: directive in argument list
cmd_test.c:27:5: warning: symbol 'do_test' was not declared. Should it be static?
cmd_test.c:153:5: warning: symbol 'do_false' was not declared. Should it be static?
cmd_test.c:164:5: warning: symbol 'do_true' was not declared. Should it be static
cmd_usb.c:43:6: warning: symbol 'usb_get_class_desc' was not declared. Should it be static?
cmd_usb.c:69:6: warning: symbol 'usb_display_class_sub' was not declared. Should it be static?
cmd_usb.c:151:6: warning: symbol 'usb_display_string' was not declared. Should it be static?
cmd_usb.c:161:6: warning: symbol 'usb_display_desc' was not declared. Should it be static?
cmd_usb.c:195:6: warning: symbol 'usb_display_conf_desc' was not declared. Should it be static?
cmd_usb.c:210:6: warning: symbol 'usb_display_if_desc' was not declared. Should it be static?
cmd_usb.c:227:6: warning: symbol 'usb_display_ep_desc' was not declared. Should it be static?
cmd_usb.c:252:6: warning: symbol 'usb_display_config' was not declared. Should it be static?
cmd_usb.c:283:6: warning: symbol 'usb_show_tree_graph' was not declared. Should it be static?
cmd_usb.c:343:6: warning: symbol 'usb_show_tree' was not declared. Should it be static?
cmd_usb.c:356:5: warning: symbol 'do_usbboot' was not declared. Should it be static?
cmd_usb.c:366:5: warning: symbol 'do_usb' was not declared. Should it be static?
cmd_version.c:31:5: warning: symbol 'do_version' was not declared. Should it be s
cmd_ximg.c:46:1: warning: symbol 'do_imgextract' was not declared. Should it be static?
cmd_ximg.c:272:1: error: directive in argument list
cmd_ximg.c:276:1: error: directive in argument list

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
2012-11-04 11:00:35 -07:00

510 lines
16 KiB
C

/*
* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Andreas Heppel <aheppel@sysgo.de>
*
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
* Wolfgang Grandegger, DENX Software Engineering, wg@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* PCI routines
*/
#include <common.h>
#include <command.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <pci.h>
/*
* Follows routines for the output of infos about devices on PCI bus.
*/
void pci_header_show(pci_dev_t dev);
void pci_header_show_brief(pci_dev_t dev);
/*
* Subroutine: pciinfo
*
* Description: Show information about devices on PCI bus.
* Depending on the define CONFIG_SYS_SHORT_PCI_LISTING
* the output will be more or less exhaustive.
*
* Inputs: bus_no the number of the bus to be scanned.
*
* Return: None
*
*/
void pciinfo(int BusNum, int ShortPCIListing)
{
int Device;
int Function;
unsigned char HeaderType;
unsigned short VendorID;
pci_dev_t dev;
printf("Scanning PCI devices on bus %d\n", BusNum);
if (ShortPCIListing) {
printf("BusDevFun VendorId DeviceId Device Class Sub-Class\n");
printf("_____________________________________________________________\n");
}
for (Device = 0; Device < PCI_MAX_PCI_DEVICES; Device++) {
HeaderType = 0;
VendorID = 0;
for (Function = 0; Function < PCI_MAX_PCI_FUNCTIONS; Function++) {
/*
* If this is not a multi-function device, we skip the rest.
*/
if (Function && !(HeaderType & 0x80))
break;
dev = PCI_BDF(BusNum, Device, Function);
pci_read_config_word(dev, PCI_VENDOR_ID, &VendorID);
if ((VendorID == 0xFFFF) || (VendorID == 0x0000))
continue;
if (!Function) pci_read_config_byte(dev, PCI_HEADER_TYPE, &HeaderType);
if (ShortPCIListing)
{
printf("%02x.%02x.%02x ", BusNum, Device, Function);
pci_header_show_brief(dev);
}
else
{
printf("\nFound PCI device %02x.%02x.%02x:\n",
BusNum, Device, Function);
pci_header_show(dev);
}
}
}
}
/*
* Subroutine: pci_header_show_brief
*
* Description: Reads and prints the header of the
* specified PCI device in short form.
*
* Inputs: dev Bus+Device+Function number
*
* Return: None
*
*/
void pci_header_show_brief(pci_dev_t dev)
{
u16 vendor, device;
u8 class, subclass;
pci_read_config_word(dev, PCI_VENDOR_ID, &vendor);
pci_read_config_word(dev, PCI_DEVICE_ID, &device);
pci_read_config_byte(dev, PCI_CLASS_CODE, &class);
pci_read_config_byte(dev, PCI_CLASS_SUB_CODE, &subclass);
printf("0x%.4x 0x%.4x %-23s 0x%.2x\n",
vendor, device,
pci_class_str(class), subclass);
}
/*
* Subroutine: PCI_Header_Show
*
* Description: Reads the header of the specified PCI device.
*
* Inputs: BusDevFunc Bus+Device+Function number
*
* Return: None
*
*/
void pci_header_show(pci_dev_t dev)
{
u8 _byte, header_type;
u16 _word;
u32 _dword;
#define PRINT(msg, type, reg) \
pci_read_config_##type(dev, reg, &_##type); \
printf(msg, _##type)
#define PRINT2(msg, type, reg, func) \
pci_read_config_##type(dev, reg, &_##type); \
printf(msg, _##type, func(_##type))
pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
PRINT (" vendor ID = 0x%.4x\n", word, PCI_VENDOR_ID);
PRINT (" device ID = 0x%.4x\n", word, PCI_DEVICE_ID);
PRINT (" command register = 0x%.4x\n", word, PCI_COMMAND);
PRINT (" status register = 0x%.4x\n", word, PCI_STATUS);
PRINT (" revision ID = 0x%.2x\n", byte, PCI_REVISION_ID);
PRINT2(" class code = 0x%.2x (%s)\n", byte, PCI_CLASS_CODE,
pci_class_str);
PRINT (" sub class code = 0x%.2x\n", byte, PCI_CLASS_SUB_CODE);
PRINT (" programming interface = 0x%.2x\n", byte, PCI_CLASS_PROG);
PRINT (" cache line = 0x%.2x\n", byte, PCI_CACHE_LINE_SIZE);
PRINT (" latency time = 0x%.2x\n", byte, PCI_LATENCY_TIMER);
PRINT (" header type = 0x%.2x\n", byte, PCI_HEADER_TYPE);
PRINT (" BIST = 0x%.2x\n", byte, PCI_BIST);
PRINT (" base address 0 = 0x%.8x\n", dword, PCI_BASE_ADDRESS_0);
switch (header_type & 0x03) {
case PCI_HEADER_TYPE_NORMAL: /* "normal" PCI device */
PRINT (" base address 1 = 0x%.8x\n", dword, PCI_BASE_ADDRESS_1);
PRINT (" base address 2 = 0x%.8x\n", dword, PCI_BASE_ADDRESS_2);
PRINT (" base address 3 = 0x%.8x\n", dword, PCI_BASE_ADDRESS_3);
PRINT (" base address 4 = 0x%.8x\n", dword, PCI_BASE_ADDRESS_4);
PRINT (" base address 5 = 0x%.8x\n", dword, PCI_BASE_ADDRESS_5);
PRINT (" cardBus CIS pointer = 0x%.8x\n", dword, PCI_CARDBUS_CIS);
PRINT (" sub system vendor ID = 0x%.4x\n", word, PCI_SUBSYSTEM_VENDOR_ID);
PRINT (" sub system ID = 0x%.4x\n", word, PCI_SUBSYSTEM_ID);
PRINT (" expansion ROM base address = 0x%.8x\n", dword, PCI_ROM_ADDRESS);
PRINT (" interrupt line = 0x%.2x\n", byte, PCI_INTERRUPT_LINE);
PRINT (" interrupt pin = 0x%.2x\n", byte, PCI_INTERRUPT_PIN);
PRINT (" min Grant = 0x%.2x\n", byte, PCI_MIN_GNT);
PRINT (" max Latency = 0x%.2x\n", byte, PCI_MAX_LAT);
break;
case PCI_HEADER_TYPE_BRIDGE: /* PCI-to-PCI bridge */
PRINT (" base address 1 = 0x%.8x\n", dword, PCI_BASE_ADDRESS_1);
PRINT (" primary bus number = 0x%.2x\n", byte, PCI_PRIMARY_BUS);
PRINT (" secondary bus number = 0x%.2x\n", byte, PCI_SECONDARY_BUS);
PRINT (" subordinate bus number = 0x%.2x\n", byte, PCI_SUBORDINATE_BUS);
PRINT (" secondary latency timer = 0x%.2x\n", byte, PCI_SEC_LATENCY_TIMER);
PRINT (" IO base = 0x%.2x\n", byte, PCI_IO_BASE);
PRINT (" IO limit = 0x%.2x\n", byte, PCI_IO_LIMIT);
PRINT (" secondary status = 0x%.4x\n", word, PCI_SEC_STATUS);
PRINT (" memory base = 0x%.4x\n", word, PCI_MEMORY_BASE);
PRINT (" memory limit = 0x%.4x\n", word, PCI_MEMORY_LIMIT);
PRINT (" prefetch memory base = 0x%.4x\n", word, PCI_PREF_MEMORY_BASE);
PRINT (" prefetch memory limit = 0x%.4x\n", word, PCI_PREF_MEMORY_LIMIT);
PRINT (" prefetch memory base upper = 0x%.8x\n", dword, PCI_PREF_BASE_UPPER32);
PRINT (" prefetch memory limit upper = 0x%.8x\n", dword, PCI_PREF_LIMIT_UPPER32);
PRINT (" IO base upper 16 bits = 0x%.4x\n", word, PCI_IO_BASE_UPPER16);
PRINT (" IO limit upper 16 bits = 0x%.4x\n", word, PCI_IO_LIMIT_UPPER16);
PRINT (" expansion ROM base address = 0x%.8x\n", dword, PCI_ROM_ADDRESS1);
PRINT (" interrupt line = 0x%.2x\n", byte, PCI_INTERRUPT_LINE);
PRINT (" interrupt pin = 0x%.2x\n", byte, PCI_INTERRUPT_PIN);
PRINT (" bridge control = 0x%.4x\n", word, PCI_BRIDGE_CONTROL);
break;
case PCI_HEADER_TYPE_CARDBUS: /* PCI-to-CardBus bridge */
PRINT (" capabilities = 0x%.2x\n", byte, PCI_CB_CAPABILITY_LIST);
PRINT (" secondary status = 0x%.4x\n", word, PCI_CB_SEC_STATUS);
PRINT (" primary bus number = 0x%.2x\n", byte, PCI_CB_PRIMARY_BUS);
PRINT (" CardBus number = 0x%.2x\n", byte, PCI_CB_CARD_BUS);
PRINT (" subordinate bus number = 0x%.2x\n", byte, PCI_CB_SUBORDINATE_BUS);
PRINT (" CardBus latency timer = 0x%.2x\n", byte, PCI_CB_LATENCY_TIMER);
PRINT (" CardBus memory base 0 = 0x%.8x\n", dword, PCI_CB_MEMORY_BASE_0);
PRINT (" CardBus memory limit 0 = 0x%.8x\n", dword, PCI_CB_MEMORY_LIMIT_0);
PRINT (" CardBus memory base 1 = 0x%.8x\n", dword, PCI_CB_MEMORY_BASE_1);
PRINT (" CardBus memory limit 1 = 0x%.8x\n", dword, PCI_CB_MEMORY_LIMIT_1);
PRINT (" CardBus IO base 0 = 0x%.4x\n", word, PCI_CB_IO_BASE_0);
PRINT (" CardBus IO base high 0 = 0x%.4x\n", word, PCI_CB_IO_BASE_0_HI);
PRINT (" CardBus IO limit 0 = 0x%.4x\n", word, PCI_CB_IO_LIMIT_0);
PRINT (" CardBus IO limit high 0 = 0x%.4x\n", word, PCI_CB_IO_LIMIT_0_HI);
PRINT (" CardBus IO base 1 = 0x%.4x\n", word, PCI_CB_IO_BASE_1);
PRINT (" CardBus IO base high 1 = 0x%.4x\n", word, PCI_CB_IO_BASE_1_HI);
PRINT (" CardBus IO limit 1 = 0x%.4x\n", word, PCI_CB_IO_LIMIT_1);
PRINT (" CardBus IO limit high 1 = 0x%.4x\n", word, PCI_CB_IO_LIMIT_1_HI);
PRINT (" interrupt line = 0x%.2x\n", byte, PCI_INTERRUPT_LINE);
PRINT (" interrupt pin = 0x%.2x\n", byte, PCI_INTERRUPT_PIN);
PRINT (" bridge control = 0x%.4x\n", word, PCI_CB_BRIDGE_CONTROL);
PRINT (" subvendor ID = 0x%.4x\n", word, PCI_CB_SUBSYSTEM_VENDOR_ID);
PRINT (" subdevice ID = 0x%.4x\n", word, PCI_CB_SUBSYSTEM_ID);
PRINT (" PC Card 16bit base address = 0x%.8x\n", dword, PCI_CB_LEGACY_MODE_BASE);
break;
default:
printf("unknown header\n");
break;
}
#undef PRINT
#undef PRINT2
}
/* Convert the "bus.device.function" identifier into a number.
*/
static pci_dev_t get_pci_dev(char* name)
{
char cnum[12];
int len, i, iold, n;
int bdfs[3] = {0,0,0};
len = strlen(name);
if (len > 8)
return -1;
for (i = 0, iold = 0, n = 0; i < len; i++) {
if (name[i] == '.') {
memcpy(cnum, &name[iold], i - iold);
cnum[i - iold] = '\0';
bdfs[n++] = simple_strtoul(cnum, NULL, 16);
iold = i + 1;
}
}
strcpy(cnum, &name[iold]);
if (n == 0)
n = 1;
bdfs[n] = simple_strtoul(cnum, NULL, 16);
return PCI_BDF(bdfs[0], bdfs[1], bdfs[2]);
}
static int pci_cfg_display(pci_dev_t bdf, ulong addr, ulong size, ulong length)
{
#define DISP_LINE_LEN 16
ulong i, nbytes, linebytes;
int rc = 0;
if (length == 0)
length = 0x40 / size; /* Standard PCI configuration space */
/* Print the lines.
* once, and all accesses are with the specified bus width.
*/
nbytes = length * size;
do {
uint val4;
ushort val2;
u_char val1;
printf("%08lx:", addr);
linebytes = (nbytes>DISP_LINE_LEN)?DISP_LINE_LEN:nbytes;
for (i=0; i<linebytes; i+= size) {
if (size == 4) {
pci_read_config_dword(bdf, addr, &val4);
printf(" %08x", val4);
} else if (size == 2) {
pci_read_config_word(bdf, addr, &val2);
printf(" %04x", val2);
} else {
pci_read_config_byte(bdf, addr, &val1);
printf(" %02x", val1);
}
addr += size;
}
printf("\n");
nbytes -= linebytes;
if (ctrlc()) {
rc = 1;
break;
}
} while (nbytes > 0);
return (rc);
}
static int pci_cfg_write (pci_dev_t bdf, ulong addr, ulong size, ulong value)
{
if (size == 4) {
pci_write_config_dword(bdf, addr, value);
}
else if (size == 2) {
ushort val = value & 0xffff;
pci_write_config_word(bdf, addr, val);
}
else {
u_char val = value & 0xff;
pci_write_config_byte(bdf, addr, val);
}
return 0;
}
static int
pci_cfg_modify (pci_dev_t bdf, ulong addr, ulong size, ulong value, int incrflag)
{
ulong i;
int nbytes;
uint val4;
ushort val2;
u_char val1;
/* Print the address, followed by value. Then accept input for
* the next value. A non-converted value exits.
*/
do {
printf("%08lx:", addr);
if (size == 4) {
pci_read_config_dword(bdf, addr, &val4);
printf(" %08x", val4);
}
else if (size == 2) {
pci_read_config_word(bdf, addr, &val2);
printf(" %04x", val2);
}
else {
pci_read_config_byte(bdf, addr, &val1);
printf(" %02x", val1);
}
nbytes = readline (" ? ");
if (nbytes == 0 || (nbytes == 1 && console_buffer[0] == '-')) {
/* <CR> pressed as only input, don't modify current
* location and move to next. "-" pressed will go back.
*/
if (incrflag)
addr += nbytes ? -size : size;
nbytes = 1;
#ifdef CONFIG_BOOT_RETRY_TIME
reset_cmd_timeout(); /* good enough to not time out */
#endif
}
#ifdef CONFIG_BOOT_RETRY_TIME
else if (nbytes == -2) {
break; /* timed out, exit the command */
}
#endif
else {
char *endp;
i = simple_strtoul(console_buffer, &endp, 16);
nbytes = endp - console_buffer;
if (nbytes) {
#ifdef CONFIG_BOOT_RETRY_TIME
/* good enough to not time out
*/
reset_cmd_timeout();
#endif
pci_cfg_write (bdf, addr, size, i);
if (incrflag)
addr += size;
}
}
} while (nbytes);
return 0;
}
/* PCI Configuration Space access commands
*
* Syntax:
* pci display[.b, .w, .l] bus.device.function} [addr] [len]
* pci next[.b, .w, .l] bus.device.function [addr]
* pci modify[.b, .w, .l] bus.device.function [addr]
* pci write[.b, .w, .l] bus.device.function addr value
*/
static int do_pci(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
ulong addr = 0, value = 0, size = 0;
pci_dev_t bdf = 0;
char cmd = 's';
if (argc > 1)
cmd = argv[1][0];
switch (cmd) {
case 'd': /* display */
case 'n': /* next */
case 'm': /* modify */
case 'w': /* write */
/* Check for a size specification. */
size = cmd_get_data_size(argv[1], 4);
if (argc > 3)
addr = simple_strtoul(argv[3], NULL, 16);
if (argc > 4)
value = simple_strtoul(argv[4], NULL, 16);
case 'h': /* header */
if (argc < 3)
goto usage;
if ((bdf = get_pci_dev(argv[2])) == -1)
return 1;
break;
#ifdef CONFIG_CMD_PCI_ENUM
case 'e':
break;
#endif
default: /* scan bus */
value = 1; /* short listing */
bdf = 0; /* bus number */
if (argc > 1) {
if (argv[argc-1][0] == 'l') {
value = 0;
argc--;
}
if (argc > 1)
bdf = simple_strtoul(argv[1], NULL, 16);
}
pciinfo(bdf, value);
return 0;
}
switch (argv[1][0]) {
case 'h': /* header */
pci_header_show(bdf);
return 0;
case 'd': /* display */
return pci_cfg_display(bdf, addr, size, value);
#ifdef CONFIG_CMD_PCI_ENUM
case 'e':
pci_init();
return 0;
#endif
case 'n': /* next */
if (argc < 4)
goto usage;
return pci_cfg_modify(bdf, addr, size, value, 0);
case 'm': /* modify */
if (argc < 4)
goto usage;
return pci_cfg_modify(bdf, addr, size, value, 1);
case 'w': /* write */
if (argc < 5)
goto usage;
return pci_cfg_write(bdf, addr, size, value);
}
return 1;
usage:
return CMD_RET_USAGE;
}
/***************************************************/
#ifdef CONFIG_SYS_LONGHELP
static char pci_help_text[] =
"[bus] [long]\n"
" - short or long list of PCI devices on bus 'bus'\n"
#ifdef CONFIG_CMD_PCI_ENUM
"pci enum\n"
" - re-enumerate PCI buses\n"
#endif
"pci header b.d.f\n"
" - show header of PCI device 'bus.device.function'\n"
"pci display[.b, .w, .l] b.d.f [address] [# of objects]\n"
" - display PCI configuration space (CFG)\n"
"pci next[.b, .w, .l] b.d.f address\n"
" - modify, read and keep CFG address\n"
"pci modify[.b, .w, .l] b.d.f address\n"
" - modify, auto increment CFG address\n"
"pci write[.b, .w, .l] b.d.f address value\n"
" - write to CFG address";
#endif
U_BOOT_CMD(
pci, 5, 1, do_pci,
"list and access PCI Configuration Space", pci_help_text
);