u-boot/cmd/pci.c

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// SPDX-License-Identifier: GPL-2.0+
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/*
* (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.
*/
/*
* PCI routines
*/
#include <common.h>
#include <bootretry.h>
#include <cli.h>
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#include <command.h>
#include <console.h>
#include <dm.h>
#include <init.h>
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#include <asm/processor.h>
#include <asm/io.h>
#include <pci.h>
struct pci_reg_info {
const char *name;
enum pci_size_t size;
u8 offset;
};
static int pci_byte_size(enum pci_size_t size)
{
switch (size) {
case PCI_SIZE_8:
return 1;
case PCI_SIZE_16:
return 2;
case PCI_SIZE_32:
default:
return 4;
}
}
static int pci_field_width(enum pci_size_t size)
{
return pci_byte_size(size) * 2;
}
static void pci_show_regs(struct udevice *dev, struct pci_reg_info *regs)
{
for (; regs->name; regs++) {
unsigned long val;
dm_pci_read_config(dev, regs->offset, &val, regs->size);
printf(" %s =%*s%#.*lx\n", regs->name,
(int)(28 - strlen(regs->name)), "",
pci_field_width(regs->size), val);
}
}
static int pci_bar_show(struct udevice *dev)
{
u8 header_type;
int bar_cnt, bar_id, mem_type;
bool is_64, is_io;
u32 base_low, base_high;
u32 size_low, size_high;
u64 base, size;
u32 reg_addr;
int prefetchable;
dm_pci_read_config8(dev, PCI_HEADER_TYPE, &header_type);
header_type &= 0x7f;
if (header_type == PCI_HEADER_TYPE_CARDBUS) {
printf("CardBus doesn't support BARs\n");
return -ENOSYS;
} else if (header_type != PCI_HEADER_TYPE_NORMAL &&
header_type != PCI_HEADER_TYPE_BRIDGE) {
printf("unknown header type\n");
return -ENOSYS;
}
bar_cnt = (header_type == PCI_HEADER_TYPE_NORMAL) ? 6 : 2;
printf("ID Base Size Width Type\n");
printf("----------------------------------------------------------\n");
bar_id = 0;
reg_addr = PCI_BASE_ADDRESS_0;
while (bar_cnt) {
dm_pci_read_config32(dev, reg_addr, &base_low);
dm_pci_write_config32(dev, reg_addr, 0xffffffff);
dm_pci_read_config32(dev, reg_addr, &size_low);
dm_pci_write_config32(dev, reg_addr, base_low);
reg_addr += 4;
base = base_low & ~0xf;
size = size_low & ~0xf;
base_high = 0x0;
size_high = 0xffffffff;
is_64 = 0;
prefetchable = base_low & PCI_BASE_ADDRESS_MEM_PREFETCH;
is_io = base_low & PCI_BASE_ADDRESS_SPACE_IO;
mem_type = base_low & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
if (mem_type == PCI_BASE_ADDRESS_MEM_TYPE_64) {
dm_pci_read_config32(dev, reg_addr, &base_high);
dm_pci_write_config32(dev, reg_addr, 0xffffffff);
dm_pci_read_config32(dev, reg_addr, &size_high);
dm_pci_write_config32(dev, reg_addr, base_high);
bar_cnt--;
reg_addr += 4;
is_64 = 1;
}
base = base | ((u64)base_high << 32);
size = size | ((u64)size_high << 32);
if ((!is_64 && size_low) || (is_64 && size)) {
size = ~size + 1;
printf(" %d %#018llx %#018llx %d %s %s\n",
bar_id, (unsigned long long)base,
(unsigned long long)size, is_64 ? 64 : 32,
is_io ? "I/O" : "MEM",
prefetchable ? "Prefetchable" : "");
}
bar_id++;
bar_cnt--;
}
return 0;
}
static struct pci_reg_info regs_start[] = {
{ "vendor ID", PCI_SIZE_16, PCI_VENDOR_ID },
{ "device ID", PCI_SIZE_16, PCI_DEVICE_ID },
{ "command register ID", PCI_SIZE_16, PCI_COMMAND },
{ "status register", PCI_SIZE_16, PCI_STATUS },
{ "revision ID", PCI_SIZE_8, PCI_REVISION_ID },
{},
};
static struct pci_reg_info regs_rest[] = {
{ "sub class code", PCI_SIZE_8, PCI_CLASS_SUB_CODE },
{ "programming interface", PCI_SIZE_8, PCI_CLASS_PROG },
{ "cache line", PCI_SIZE_8, PCI_CACHE_LINE_SIZE },
{ "latency time", PCI_SIZE_8, PCI_LATENCY_TIMER },
{ "header type", PCI_SIZE_8, PCI_HEADER_TYPE },
{ "BIST", PCI_SIZE_8, PCI_BIST },
{ "base address 0", PCI_SIZE_32, PCI_BASE_ADDRESS_0 },
{},
};
static struct pci_reg_info regs_normal[] = {
{ "base address 1", PCI_SIZE_32, PCI_BASE_ADDRESS_1 },
{ "base address 2", PCI_SIZE_32, PCI_BASE_ADDRESS_2 },
{ "base address 3", PCI_SIZE_32, PCI_BASE_ADDRESS_3 },
{ "base address 4", PCI_SIZE_32, PCI_BASE_ADDRESS_4 },
{ "base address 5", PCI_SIZE_32, PCI_BASE_ADDRESS_5 },
{ "cardBus CIS pointer", PCI_SIZE_32, PCI_CARDBUS_CIS },
{ "sub system vendor ID", PCI_SIZE_16, PCI_SUBSYSTEM_VENDOR_ID },
{ "sub system ID", PCI_SIZE_16, PCI_SUBSYSTEM_ID },
{ "expansion ROM base address", PCI_SIZE_32, PCI_ROM_ADDRESS },
{ "interrupt line", PCI_SIZE_8, PCI_INTERRUPT_LINE },
{ "interrupt pin", PCI_SIZE_8, PCI_INTERRUPT_PIN },
{ "min Grant", PCI_SIZE_8, PCI_MIN_GNT },
{ "max Latency", PCI_SIZE_8, PCI_MAX_LAT },
{},
};
static struct pci_reg_info regs_bridge[] = {
{ "base address 1", PCI_SIZE_32, PCI_BASE_ADDRESS_1 },
{ "primary bus number", PCI_SIZE_8, PCI_PRIMARY_BUS },
{ "secondary bus number", PCI_SIZE_8, PCI_SECONDARY_BUS },
{ "subordinate bus number", PCI_SIZE_8, PCI_SUBORDINATE_BUS },
{ "secondary latency timer", PCI_SIZE_8, PCI_SEC_LATENCY_TIMER },
{ "IO base", PCI_SIZE_8, PCI_IO_BASE },
{ "IO limit", PCI_SIZE_8, PCI_IO_LIMIT },
{ "secondary status", PCI_SIZE_16, PCI_SEC_STATUS },
{ "memory base", PCI_SIZE_16, PCI_MEMORY_BASE },
{ "memory limit", PCI_SIZE_16, PCI_MEMORY_LIMIT },
{ "prefetch memory base", PCI_SIZE_16, PCI_PREF_MEMORY_BASE },
{ "prefetch memory limit", PCI_SIZE_16, PCI_PREF_MEMORY_LIMIT },
{ "prefetch memory base upper", PCI_SIZE_32, PCI_PREF_BASE_UPPER32 },
{ "prefetch memory limit upper", PCI_SIZE_32, PCI_PREF_LIMIT_UPPER32 },
{ "IO base upper 16 bits", PCI_SIZE_16, PCI_IO_BASE_UPPER16 },
{ "IO limit upper 16 bits", PCI_SIZE_16, PCI_IO_LIMIT_UPPER16 },
{ "expansion ROM base address", PCI_SIZE_32, PCI_ROM_ADDRESS1 },
{ "interrupt line", PCI_SIZE_8, PCI_INTERRUPT_LINE },
{ "interrupt pin", PCI_SIZE_8, PCI_INTERRUPT_PIN },
{ "bridge control", PCI_SIZE_16, PCI_BRIDGE_CONTROL },
{},
};
static struct pci_reg_info regs_cardbus[] = {
{ "capabilities", PCI_SIZE_8, PCI_CB_CAPABILITY_LIST },
{ "secondary status", PCI_SIZE_16, PCI_CB_SEC_STATUS },
{ "primary bus number", PCI_SIZE_8, PCI_CB_PRIMARY_BUS },
{ "CardBus number", PCI_SIZE_8, PCI_CB_CARD_BUS },
{ "subordinate bus number", PCI_SIZE_8, PCI_CB_SUBORDINATE_BUS },
{ "CardBus latency timer", PCI_SIZE_8, PCI_CB_LATENCY_TIMER },
{ "CardBus memory base 0", PCI_SIZE_32, PCI_CB_MEMORY_BASE_0 },
{ "CardBus memory limit 0", PCI_SIZE_32, PCI_CB_MEMORY_LIMIT_0 },
{ "CardBus memory base 1", PCI_SIZE_32, PCI_CB_MEMORY_BASE_1 },
{ "CardBus memory limit 1", PCI_SIZE_32, PCI_CB_MEMORY_LIMIT_1 },
{ "CardBus IO base 0", PCI_SIZE_16, PCI_CB_IO_BASE_0 },
{ "CardBus IO base high 0", PCI_SIZE_16, PCI_CB_IO_BASE_0_HI },
{ "CardBus IO limit 0", PCI_SIZE_16, PCI_CB_IO_LIMIT_0 },
{ "CardBus IO limit high 0", PCI_SIZE_16, PCI_CB_IO_LIMIT_0_HI },
{ "CardBus IO base 1", PCI_SIZE_16, PCI_CB_IO_BASE_1 },
{ "CardBus IO base high 1", PCI_SIZE_16, PCI_CB_IO_BASE_1_HI },
{ "CardBus IO limit 1", PCI_SIZE_16, PCI_CB_IO_LIMIT_1 },
{ "CardBus IO limit high 1", PCI_SIZE_16, PCI_CB_IO_LIMIT_1_HI },
{ "interrupt line", PCI_SIZE_8, PCI_INTERRUPT_LINE },
{ "interrupt pin", PCI_SIZE_8, PCI_INTERRUPT_PIN },
{ "bridge control", PCI_SIZE_16, PCI_CB_BRIDGE_CONTROL },
{ "subvendor ID", PCI_SIZE_16, PCI_CB_SUBSYSTEM_VENDOR_ID },
{ "subdevice ID", PCI_SIZE_16, PCI_CB_SUBSYSTEM_ID },
{ "PC Card 16bit base address", PCI_SIZE_32, PCI_CB_LEGACY_MODE_BASE },
{},
};
/**
* pci_header_show() - Show the header of the specified PCI device.
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*
* @dev: Bus+Device+Function number
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*/
static void pci_header_show(struct udevice *dev)
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{
unsigned long class, header_type;
dm_pci_read_config(dev, PCI_CLASS_CODE, &class, PCI_SIZE_8);
dm_pci_read_config(dev, PCI_HEADER_TYPE, &header_type, PCI_SIZE_8);
pci_show_regs(dev, regs_start);
printf(" class code = 0x%.2x (%s)\n", (int)class,
pci_class_str(class));
pci_show_regs(dev, regs_rest);
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switch (header_type & 0x7f) {
case PCI_HEADER_TYPE_NORMAL: /* "normal" PCI device */
pci_show_regs(dev, regs_normal);
break;
case PCI_HEADER_TYPE_BRIDGE: /* PCI-to-PCI bridge */
pci_show_regs(dev, regs_bridge);
break;
case PCI_HEADER_TYPE_CARDBUS: /* PCI-to-CardBus bridge */
pci_show_regs(dev, regs_cardbus);
break;
default:
printf("unknown header\n");
break;
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}
}
static void pciinfo_header(bool short_listing)
{
if (short_listing) {
printf("BusDevFun VendorId DeviceId Device Class Sub-Class\n");
printf("_____________________________________________________________\n");
}
}
/**
* pci_header_show_brief() - Show the short-form PCI device header
*
* Reads and prints the header of the specified PCI device in short form.
*
* @dev: PCI device to show
*/
static void pci_header_show_brief(struct udevice *dev)
{
ulong vendor, device;
ulong class, subclass;
dm_pci_read_config(dev, PCI_VENDOR_ID, &vendor, PCI_SIZE_16);
dm_pci_read_config(dev, PCI_DEVICE_ID, &device, PCI_SIZE_16);
dm_pci_read_config(dev, PCI_CLASS_CODE, &class, PCI_SIZE_8);
dm_pci_read_config(dev, PCI_CLASS_SUB_CODE, &subclass, PCI_SIZE_8);
printf("0x%.4lx 0x%.4lx %-23s 0x%.2lx\n",
vendor, device,
pci_class_str(class), subclass);
}
static void pciinfo(struct udevice *bus, bool short_listing, bool multi)
{
struct udevice *dev;
if (!multi)
printf("Scanning PCI devices on bus %d\n", dev_seq(bus));
if (!multi || dev_seq(bus) == 0)
pciinfo_header(short_listing);
for (device_find_first_child(bus, &dev);
dev;
device_find_next_child(&dev)) {
struct pci_child_plat *pplat;
pplat = dev_get_parent_plat(dev);
if (short_listing) {
printf("%02x.%02x.%02x ", dev_seq(bus),
PCI_DEV(pplat->devfn), PCI_FUNC(pplat->devfn));
pci_header_show_brief(dev);
} else {
printf("\nFound PCI device %02x.%02x.%02x:\n",
dev_seq(bus),
PCI_DEV(pplat->devfn), PCI_FUNC(pplat->devfn));
pci_header_show(dev);
}
}
}
/**
* get_pci_dev() - Convert the "bus.device.function" identifier into a number
*
* @name: Device string in the form "bus.device.function" where each is in hex
* Return: encoded pci_dev_t or -1 if the string was invalid
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*/
static pci_dev_t get_pci_dev(char *name)
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{
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++] = hextoul(cnum, NULL);
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iold = i + 1;
}
}
strcpy(cnum, &name[iold]);
if (n == 0)
n = 1;
bdfs[n] = hextoul(cnum, NULL);
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return PCI_BDF(bdfs[0], bdfs[1], bdfs[2]);
}
static int pci_cfg_display(struct udevice *dev, ulong addr,
enum pci_size_t size, ulong length)
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{
#define DISP_LINE_LEN 16
ulong i, nbytes, linebytes;
int byte_size;
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int rc = 0;
byte_size = pci_byte_size(size);
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if (length == 0)
length = 0x40 / byte_size; /* Standard PCI config space */
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if (addr >= 4096)
return 1;
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/* Print the lines.
* once, and all accesses are with the specified bus width.
*/
nbytes = length * byte_size;
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do {
printf("%08lx:", addr);
linebytes = (nbytes > DISP_LINE_LEN) ? DISP_LINE_LEN : nbytes;
for (i = 0; i < linebytes; i += byte_size) {
unsigned long val;
dm_pci_read_config(dev, addr, &val, size);
printf(" %0*lx", pci_field_width(size), val);
addr += byte_size;
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}
printf("\n");
nbytes -= linebytes;
if (ctrlc()) {
rc = 1;
break;
}
} while (nbytes > 0 && addr < 4096);
if (rc == 0 && nbytes > 0)
return 1;
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return (rc);
}
static int pci_cfg_modify(struct udevice *dev, ulong addr, ulong size,
ulong value, int incrflag)
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{
ulong i;
int nbytes;
ulong val;
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if (addr >= 4096)
return 1;
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/* Print the address, followed by value. Then accept input for
* the next value. A non-converted value exits.
*/
do {
printf("%08lx:", addr);
dm_pci_read_config(dev, addr, &val, size);
printf(" %0*lx", pci_field_width(size), val);
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nbytes = cli_readline(" ? ");
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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;
/* good enough to not time out */
bootretry_reset_cmd_timeout();
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}
#ifdef CONFIG_BOOT_RETRY_TIME
else if (nbytes == -2) {
break; /* timed out, exit the command */
}
#endif
else {
char *endp;
i = hextoul(console_buffer, &endp);
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nbytes = endp - console_buffer;
if (nbytes) {
/* good enough to not time out
*/
bootretry_reset_cmd_timeout();
dm_pci_write_config(dev, addr, i, size);
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if (incrflag)
addr += size;
}
}
} while (nbytes && addr < 4096);
if (nbytes)
return 1;
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return 0;
}
static const struct pci_flag_info {
uint flag;
const char *name;
} pci_flag_info[] = {
{ PCI_REGION_IO, "io" },
{ PCI_REGION_PREFETCH, "prefetch" },
{ PCI_REGION_SYS_MEMORY, "sysmem" },
{ PCI_REGION_RO, "readonly" },
};
static void pci_show_regions(struct udevice *bus)
{
struct pci_controller *hose = dev_get_uclass_priv(pci_get_controller(bus));
const struct pci_region *reg;
int i, j;
if (!hose) {
printf("Bus '%s' is not a PCI controller\n", bus->name);
return;
}
printf("Buses %02x-%02x\n", hose->first_busno, hose->last_busno);
printf("# %-18s %-18s %-18s %s\n", "Bus start", "Phys start", "Size",
"Flags");
for (i = 0, reg = hose->regions; i < hose->region_count; i++, reg++) {
printf("%d %#018llx %#018llx %#018llx ", i,
(unsigned long long)reg->bus_start,
(unsigned long long)reg->phys_start,
(unsigned long long)reg->size);
if (!(reg->flags & PCI_REGION_TYPE))
printf("mem ");
for (j = 0; j < ARRAY_SIZE(pci_flag_info); j++) {
if (reg->flags & pci_flag_info[j].flag)
printf("%s ", pci_flag_info[j].name);
}
printf("\n");
}
}
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/* 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(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
ulong addr = 0, value = 0, cmd_size = 0;
enum pci_size_t size = PCI_SIZE_32;
struct udevice *dev, *bus;
int busnum = -1;
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pci_dev_t bdf = 0;
char cmd = 's';
int ret = 0;
char *endp;
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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. */
cmd_size = cmd_get_data_size(argv[1], 4);
size = (cmd_size == 4) ? PCI_SIZE_32 : cmd_size - 1;
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if (argc > 3)
addr = hextoul(argv[3], NULL);
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if (argc > 4)
value = hextoul(argv[4], NULL);
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case 'h': /* header */
case 'b': /* bars */
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if (argc < 3)
goto usage;
if ((bdf = get_pci_dev(argv[2])) == -1)
return 1;
break;
case 'e':
pci_init();
return 0;
case 'r': /* no break */
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default: /* scan bus */
value = 1; /* short listing */
if (argc > 1) {
if (cmd != 'r' && argv[argc-1][0] == 'l') {
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value = 0;
argc--;
}
if (argc > 2 || (argc > 1 && cmd != 'r' && argv[1][0] != 's')) {
if (argv[argc - 1][0] != '*') {
busnum = hextoul(argv[argc - 1], &endp);
if (*endp)
goto usage;
}
argc--;
}
if (cmd == 'r' && argc > 2)
goto usage;
else if (cmd != 'r' && (argc > 2 || (argc == 2 && argv[1][0] != 's')))
goto usage;
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}
if (busnum == -1) {
if (cmd != 'r') {
for (busnum = 0;
uclass_get_device_by_seq(UCLASS_PCI, busnum, &bus) == 0;
busnum++)
pciinfo(bus, value, true);
} else {
for (busnum = 0;
uclass_get_device_by_seq(UCLASS_PCI, busnum, &bus) == 0;
busnum++) {
/* Regions are controller specific so skip non-root buses */
if (device_is_on_pci_bus(bus))
continue;
pci_show_regions(bus);
}
}
return 0;
}
ret = uclass_get_device_by_seq(UCLASS_PCI, busnum, &bus);
if (ret) {
printf("No such bus\n");
return CMD_RET_FAILURE;
}
if (cmd == 'r')
pci_show_regions(bus);
else
pciinfo(bus, value, false);
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return 0;
}
ret = dm_pci_bus_find_bdf(bdf, &dev);
if (ret) {
printf("No such device\n");
return CMD_RET_FAILURE;
}
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switch (argv[1][0]) {
case 'h': /* header */
pci_header_show(dev);
break;
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case 'd': /* display */
return pci_cfg_display(dev, addr, size, value);
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case 'n': /* next */
if (argc < 4)
goto usage;
ret = pci_cfg_modify(dev, addr, size, value, 0);
break;
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case 'm': /* modify */
if (argc < 4)
goto usage;
ret = pci_cfg_modify(dev, addr, size, value, 1);
break;
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case 'w': /* write */
if (argc < 5)
goto usage;
ret = dm_pci_write_config(dev, addr, value, size);
break;
case 'b': /* bars */
return pci_bar_show(dev);
default:
ret = CMD_RET_USAGE;
break;
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}
return ret;
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usage:
return CMD_RET_USAGE;
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}
/***************************************************/
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>
2012-10-29 13:34:31 +00:00
#ifdef CONFIG_SYS_LONGHELP
static char pci_help_text[] =
"[bus|*] [long]\n"
" - short or long list of PCI devices on bus 'bus'\n"
"pci enum\n"
" - Enumerate PCI buses\n"
"pci header b.d.f\n"
" - show header of PCI device 'bus.device.function'\n"
"pci bar b.d.f\n"
" - show BARs base and size for device b.d.f'\n"
"pci regions [bus|*]\n"
" - show PCI regions\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"
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>
2012-10-29 13:34:31 +00:00
" - write to CFG address";
#endif
U_BOOT_CMD(
pci, 5, 1, do_pci,
"list and access PCI Configuration Space", pci_help_text
);