static void serial_find_console_or_panic(void)
{
#ifdef CONFIG_OF_CONTROL
int node;
/* Check for a chosen console */
node = fdtdec_get_chosen_node(gd->fdt_blob, "stdout-path");
if (node < 0)
node = fdtdec_get_alias_node(gd->fdt_blob, "console");
if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node, &cur_dev))
return;
/*
* If the console is not marked to be bound before relocation, bind
* it anyway.
*/
if (node > 0 &&
!lists_bind_fdt(gd->dm_root, gd->fdt_blob, node, &cur_dev)) {
if (!device_probe(cur_dev))
return;
cur_dev = NULL;
}
#endif
/*
* Failing that, get the device with sequence number 0, or in extremis
* just the first serial device we can find. But we insist on having
* a console (even if it is silent).
*/
if (uclass_get_device_by_seq(UCLASS_SERIAL, 0, &cur_dev) &&
(uclass_first_device(UCLASS_SERIAL, &cur_dev) || !cur_dev))
panic("No serial driver found");
}
void print_mmc_devices(char separator)
{
struct udevice *dev;
char *mmc_type;
bool first = true;
for (uclass_first_device(UCLASS_MMC, &dev);
dev;
uclass_next_device(&dev), first = false) {
struct mmc *m = mmc_get_mmc_dev(dev);
if (!first) {
printf("%c", separator);
if (separator != '\n')
puts(" ");
}
if (m->has_init)
mmc_type = IS_SD(m) ? "SD" : "eMMC";
else
mmc_type = NULL;
printf("%s: %d", m->cfg->name, mmc_get_blk_desc(m)->devnum);
if (mmc_type)
printf(" (%s)", mmc_type);
}
printf("\n");
}
/* Remove and recreate everything, check for memory leaks */
static int dm_test_leak(struct unit_test_state *uts)
{
int i;
for (i = 0; i < 2; i++) {
struct udevice *dev;
int ret;
int id;
dm_leak_check_start(uts);
ut_assertok(dm_scan_platdata(false));
ut_assertok(dm_scan_fdt(gd->fdt_blob, false));
/* Scanning the uclass is enough to probe all the devices */
for (id = UCLASS_ROOT; id < UCLASS_COUNT; id++) {
for (ret = uclass_first_device(UCLASS_TEST, &dev);
dev;
ret = uclass_next_device(&dev))
;
ut_assertok(ret);
}
ut_assertok(dm_leak_check_end(uts));
}
return 0;
}
int gpio_lookup_name(const char *name, struct device **devp,
unsigned int *offsetp, unsigned int *gpiop)
{
struct gpio_dev_priv *uc_priv;
struct device *dev;
int ret;
if (devp)
*devp = NULL;
for (ret = uclass_first_device(UCLASS_GPIO, &dev);
dev;
ret = uclass_next_device(&dev)) {
ulong offset;
int len;
uc_priv = dev->uclass_priv;
len = uc_priv->bank_name ? strlen(uc_priv->bank_name) : 0;
if (!strncmp(name, uc_priv->bank_name, len)) {
if (strict_strtoul(name + len, 10, &offset))
continue;
if (devp)
*devp = dev;
if (offsetp)
*offsetp = offset;
if (gpiop)
*gpiop = uc_priv->gpio_base + offset;
return 0;
}
}
return ret ? ret : -EINVAL;
}
void eth_set_current_to_next(void)
{
struct eth_uclass_priv *uc_priv;
uc_priv = eth_get_uclass_priv();
if (uc_priv->current)
uclass_next_device(&uc_priv->current);
if (!uc_priv->current)
uclass_first_device(UCLASS_ETH, &uc_priv->current);
}
/*
* Typically this will simply return the active device.
* In the case where the most recent active device was unset, this will attempt
* to return the first device. If that device doesn't exist or fails to probe,
* this function will return NULL.
*/
struct udevice *eth_get_dev(void)
{
struct eth_uclass_priv *uc_priv;
uc_priv = eth_get_uclass_priv();
if (!uc_priv->current)
eth_errno = uclass_first_device(UCLASS_ETH,
&uc_priv->current);
return uc_priv->current;
}
/* Ensure all the test devices are probed */
static int do_autoprobe(struct dm_test_state *dms)
{
struct udevice *dev;
int ret;
/* Scanning the uclass is enough to probe all the devices */
for (ret = uclass_first_device(UCLASS_TEST, &dev);
dev;
ret = uclass_next_device(&dev))
;
return ret;
}
int eth_initialize(void)
{
int num_devices = 0;
struct udevice *dev;
eth_common_init();
/*
* Devices need to write the hwaddr even if not started so that Linux
* will have access to the hwaddr that u-boot stored for the device.
* This is accomplished by attempting to probe each device and calling
* their write_hwaddr() operation.
*/
uclass_first_device(UCLASS_ETH, &dev);
if (!dev) {
printf("No ethernet found.\n");
bootstage_error(BOOTSTAGE_ID_NET_ETH_START);
} else {
char *ethprime = getenv("ethprime");
struct udevice *prime_dev = NULL;
if (ethprime)
prime_dev = eth_get_dev_by_name(ethprime);
if (prime_dev) {
eth_set_dev(prime_dev);
eth_current_changed();
} else {
eth_set_dev(NULL);
}
bootstage_mark(BOOTSTAGE_ID_NET_ETH_INIT);
do {
if (num_devices)
printf(", ");
printf("eth%d: %s", dev->seq, dev->name);
if (ethprime && dev == prime_dev)
printf(" [PRIME]");
eth_write_hwaddr(dev);
uclass_next_device(&dev);
num_devices++;
} while (dev);
putc('\n');
}
return num_devices;
}
static int do_gpio_status(bool all, const char *gpio_name)
{
struct udevice *dev;
int banklen;
int flags;
int ret;
flags = 0;
if (gpio_name && !*gpio_name)
gpio_name = NULL;
for (ret = uclass_first_device(UCLASS_GPIO, &dev);
dev;
ret = uclass_next_device(&dev)) {
const char *bank_name;
int num_bits;
flags |= FLAG_SHOW_BANK;
if (all)
flags |= FLAG_SHOW_ALL;
bank_name = gpio_get_bank_info(dev, &num_bits);
if (!num_bits) {
debug("GPIO device %s has no bits\n", dev->name);
continue;
}
banklen = bank_name ? strlen(bank_name) : 0;
if (!gpio_name || !bank_name ||
!strncmp(gpio_name, bank_name, banklen)) {
const char *p = NULL;
int offset;
p = gpio_name + banklen;
if (gpio_name && *p) {
offset = simple_strtoul(p, NULL, 10);
gpio_get_description(dev, bank_name, offset,
&flags);
} else {
for (offset = 0; offset < num_bits; offset++) {
gpio_get_description(dev, bank_name,
offset, &flags);
}
}
}
/* Add a newline between bank names */
if (!(flags & FLAG_SHOW_BANK))
flags |= FLAG_SHOW_NEWLINE;
}
return ret;
}
static int dm_test_uclass_devices_get(struct unit_test_state *uts)
{
struct udevice *dev;
int ret;
for (ret = uclass_first_device(UCLASS_TEST, &dev);
dev;
ret = uclass_next_device(&dev)) {
ut_assert(!ret);
ut_assert(dev);
ut_assert(device_active(dev));
}
return 0;
}
static void serial_find_console_or_panic(void)
{
struct udevice *dev;
#ifdef CONFIG_OF_CONTROL
int node;
/* Check for a chosen console */
node = fdtdec_get_chosen_node(gd->fdt_blob, "stdout-path");
if (node < 0)
node = fdt_path_offset(gd->fdt_blob, "console");
if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node, &dev)) {
gd->cur_serial_dev = dev;
return;
}
/*
* If the console is not marked to be bound before relocation, bind
* it anyway.
*/
if (node > 0 &&
!lists_bind_fdt(gd->dm_root, gd->fdt_blob, node, &dev)) {
if (!device_probe(dev)) {
gd->cur_serial_dev = dev;
return;
}
}
#endif
/*
* Try to use CONFIG_CONS_INDEX if available (it is numbered from 1!).
*
* Failing that, get the device with sequence number 0, or in extremis
* just the first serial device we can find. But we insist on having
* a console (even if it is silent).
*/
#ifdef CONFIG_CONS_INDEX
#define INDEX (CONFIG_CONS_INDEX - 1)
#else
#define INDEX 0
#endif
if (uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) &&
uclass_get_device(UCLASS_SERIAL, INDEX, &dev) &&
(uclass_first_device(UCLASS_SERIAL, &dev) || !dev))
panic("No serial driver found");
#undef INDEX
gd->cur_serial_dev = dev;
}
/*
* Subroutine: bmp_display
*
* Description: Display bmp file located in memory
*
* Inputs: addr address of the bmp file
*
* Return: None
*
*/
int bmp_display(ulong addr, int x, int y)
{
#ifdef CONFIG_DM_VIDEO
struct udevice *dev;
#endif
int ret;
struct bmp_image *bmp = map_sysmem(addr, 0);
void *bmp_alloc_addr = NULL;
unsigned long len;
if (!((bmp->header.signature[0]=='B') &&
(bmp->header.signature[1]=='M')))
bmp = gunzip_bmp(addr, &len, &bmp_alloc_addr);
if (!bmp) {
printf("There is no valid bmp file at the given address\n");
return 1;
}
addr = map_to_sysmem(bmp);
#ifdef CONFIG_DM_VIDEO
ret = uclass_first_device(UCLASS_VIDEO, &dev);
if (!ret) {
if (!dev)
ret = -ENODEV;
if (!ret) {
bool align = false;
# ifdef CONFIG_SPLASH_SCREEN_ALIGN
align = true;
# endif /* CONFIG_SPLASH_SCREEN_ALIGN */
ret = video_bmp_display(dev, addr, x, y, align);
}
}
#elif defined(CONFIG_LCD)
ret = lcd_display_bitmap(addr, x, y);
#elif defined(CONFIG_VIDEO)
ret = video_display_bitmap(addr, x, y);
#else
# error bmp_display() requires CONFIG_LCD or CONFIG_VIDEO
#endif
if (bmp_alloc_addr)
free(bmp_alloc_addr);
return ret ? CMD_RET_FAILURE : 0;
}
int gpio_lookup_name(const char *name, struct udevice **devp,
unsigned int *offsetp, unsigned int *gpiop)
{
struct gpio_dev_priv *uc_priv = NULL;
struct udevice *dev;
ulong offset;
int numeric;
int ret;
if (devp)
*devp = NULL;
numeric = isdigit(*name) ? simple_strtoul(name, NULL, 10) : -1;
for (ret = uclass_first_device(UCLASS_GPIO, &dev);
dev;
ret = uclass_next_device(&dev)) {
int len;
uc_priv = dev->uclass_priv;
if (numeric != -1) {
offset = numeric - uc_priv->gpio_base;
/* Allow GPIOs to be numbered from 0 */
if (offset >= 0 && offset < uc_priv->gpio_count)
break;
}
len = uc_priv->bank_name ? strlen(uc_priv->bank_name) : 0;
if (!strncasecmp(name, uc_priv->bank_name, len)) {
if (!strict_strtoul(name + len, 10, &offset))
break;
}
}
if (!dev)
return ret ? ret : -EINVAL;
if (devp)
*devp = dev;
if (offsetp)
*offsetp = offset;
if (gpiop)
*gpiop = uc_priv->gpio_base + offset;
return 0;
}
int reset_walk(enum reset_t type)
{
struct udevice *dev;
int ret = -ENOSYS;
while (ret != -EINPROGRESS && type < RESET_COUNT) {
for (uclass_first_device(UCLASS_RESET, &dev);
dev;
uclass_next_device(&dev)) {
ret = reset_request(dev, type);
if (ret == -EINPROGRESS)
break;
}
type++;
}
return ret;
}
int arch_cpu_init_dm(void)
{
struct udevice *dev;
int ret;
ret = uclass_first_device(UCLASS_CPU, &dev);
if (ret)
return ret;
if (!dev)
return -ENODEV;
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
#ifndef CONFIG_ROM_STUBS
copy_exception_trampoline();
#endif
return 0;
}
unsigned long flash_init(void)
{
unsigned long size = 0;
struct udevice *dev;
int bank;
/* probe every MTD device */
for (uclass_first_device(UCLASS_MTD, &dev); dev;
uclass_next_device(&dev)) {
/* nop */
}
/* calc total flash size */
for (bank = 0; bank < CONFIG_SYS_MAX_FLASH_BANKS; ++bank)
size += flash_info[bank].size;
return size;
}
int arch_misc_init(void)
{
struct udevice *dev;
int ret;
ret = uclass_first_device(UCLASS_MISC, &dev);
if (ret || !dev)
return ret;
#if defined(CONFIG_DM_ETH) && defined(CONFIG_USB_ETHER)
ret = usb_ether_init();
if (ret) {
pr_err("USB ether init failed\n");
return ret;
}
#endif
return 0;
}
static int dm_test_uclass_devices_get_by_name(struct unit_test_state *uts)
{
struct udevice *finddev;
struct udevice *testdev;
int ret, findret;
/*
* For each test device found in fdt like: "a-test", "b-test", etc.,
* use its name and try to get it by uclass_get_device_by_name().
* On success check if:
* - returned finddev' is active
* - current 'testdev' name is equal to the returned 'finddev' name
* - current 'testdev' pointer is equal to the returned 'finddev'
*
* We asserts that the 'testdev' is active on each loop entry, so we
* could be sure that the 'finddev' is activated too, but for sure
* we check it again.
*
* We assume that, each uclass's device name is unique, so if not, then
* this will fail on checking condition: testdev == finddev, since the
* uclass_get_device_by_name(), returns the first device by given name.
*/
for (ret = uclass_first_device(UCLASS_TEST_FDT, &testdev);
testdev;
ret = uclass_next_device(&testdev)) {
ut_assertok(ret);
ut_assert(testdev);
ut_assert(device_active(testdev));
findret = uclass_get_device_by_name(UCLASS_TEST_FDT,
testdev->name,
&finddev);
ut_assertok(findret);
ut_assert(finddev);
ut_assert(device_active(finddev));
ut_asserteq_str(testdev->name, finddev->name);
ut_asserteq_ptr(testdev, finddev);
}
return 0;
}
/* Remove and recreate everything, check for memory leaks */
static int dm_test_leak(struct dm_test_state *dms)
{
int i;
for (i = 0; i < 2; i++) {
struct mallinfo start, end;
struct udevice *dev;
int ret;
int id;
start = mallinfo();
if (!start.uordblks)
puts("Warning: Please add '#define DEBUG' to the top of common/dlmalloc.c\n");
ut_assertok(dm_scan_platdata());
ut_assertok(dm_scan_fdt(gd->fdt_blob));
/* Scanning the uclass is enough to probe all the devices */
for (id = UCLASS_ROOT; id < UCLASS_COUNT; id++) {
for (ret = uclass_first_device(UCLASS_TEST, &dev);
dev;
ret = uclass_next_device(&dev))
;
ut_assertok(ret);
}
/* Don't delete the root class, since we started with that */
for (id = UCLASS_ROOT + 1; id < UCLASS_COUNT; id++) {
struct uclass *uc;
uc = uclass_find(id);
if (!uc)
continue;
ut_assertok(uclass_destroy(uc));
}
end = mallinfo();
ut_asserteq(start.uordblks, end.uordblks);
}
return 0;
}
int blk_first_device(int if_type, struct udevice **devp)
{
struct blk_desc *desc;
int ret;
ret = uclass_first_device(UCLASS_BLK, devp);
if (ret)
return ret;
if (!*devp)
return -ENODEV;
do {
desc = dev_get_uclass_platdata(*devp);
if (desc->if_type == if_type)
return 0;
ret = uclass_next_device(devp);
if (ret)
return ret;
} while (*devp);
return -ENODEV;
}
/**
* gpio_to_device() - Convert global GPIO number to device, number
* gpio: The numeric representation of the GPIO
*
* Convert the GPIO number to an entry in the list of GPIOs
* or GPIO blocks registered with the GPIO controller. Returns
* entry on success, NULL on error.
*/
static int gpio_to_device(unsigned int gpio, struct device **devp,
unsigned int *offset)
{
struct gpio_dev_priv *uc_priv;
struct device *dev;
int ret;
for (ret = uclass_first_device(UCLASS_GPIO, &dev);
dev;
ret = uclass_next_device(&dev)) {
uc_priv = dev->uclass_priv;
if (gpio >= uc_priv->gpio_base &&
gpio < uc_priv->gpio_base + uc_priv->gpio_count) {
*devp = dev;
*offset = gpio - uc_priv->gpio_base;
return 0;
}
}
/* No such GPIO */
return ret ? ret : -EINVAL;
}
/**
* gpio_to_device() - Convert global GPIO number to device, number
*
* Convert the GPIO number to an entry in the list of GPIOs
* or GPIO blocks registered with the GPIO controller. Returns
* entry on success, NULL on error.
*
* @gpio: The numeric representation of the GPIO
* @desc: Returns description (desc->flags will always be 0)
* @return 0 if found, -ENOENT if not found
*/
static int gpio_to_device(unsigned int gpio, struct gpio_desc *desc)
{
struct gpio_dev_priv *uc_priv;
struct udevice *dev;
int ret;
for (ret = uclass_first_device(UCLASS_GPIO, &dev);
dev;
ret = uclass_next_device(&dev)) {
uc_priv = dev_get_uclass_priv(dev);
if (gpio >= uc_priv->gpio_base &&
gpio < uc_priv->gpio_base + uc_priv->gpio_count) {
desc->dev = dev;
desc->offset = gpio - uc_priv->gpio_base;
desc->flags = 0;
return 0;
}
}
/* No such GPIO */
return ret ? ret : -ENOENT;
}
int dma_get_device(u32 transfer_type, struct udevice **devp)
{
struct udevice *dev;
int ret;
for (ret = uclass_first_device(UCLASS_DMA, &dev); dev && !ret;
ret = uclass_next_device(&dev)) {
struct dma_dev_priv *uc_priv;
uc_priv = dev_get_uclass_priv(dev);
if (uc_priv->supported & transfer_type)
break;
}
if (!dev) {
pr_err("No DMA device found that supports %x type\n",
transfer_type);
return -EPROTONOSUPPORT;
}
*devp = dev;
return ret;
}
int board_early_init_f(void)
{
struct udevice *pch;
int ret;
ret = uclass_first_device(UCLASS_PCH, &pch);
if (ret)
return ret;
if (!pch)
return -ENODEV;
/* Initialize LPC interface to turn on superio chipset decode range */
dm_pci_write_config16(pch, LPC_IO_DEC, COMA_DEC_RANGE | COMB_DEC_RANGE);
dm_pci_write_config16(pch, LPC_EN, KBC_LPC_EN | COMA_LPC_EN);
dm_pci_write_config32(pch, LPC_GEN1_DEC, GEN_DEC_RANGE_256B |
(SIO1007_IOPORT3 & 0xff00) | GEN_DEC_RANGE_EN);
dm_pci_write_config32(pch, LPC_GEN2_DEC, GEN_DEC_RANGE_16B |
SIO1007_RUNTIME_IOPORT | GEN_DEC_RANGE_EN);
/* Enable legacy serial port at 0x3f8 */
sio1007_enable_serial(SIO1007_IOPORT3, 0, UART0_BASE, UART0_IRQ);
/* Enable SIO1007 runtime I/O port at 0x180 */
sio1007_enable_runtime(SIO1007_IOPORT3, SIO1007_RUNTIME_IOPORT);
/*
* On Cougar Canyon 2 board, the RS232 transiver connected to serial
* port 0 (0x3f8) is controlled by a GPIO pin (GPIO10) on the SIO1007.
* Set the pin value to 1 to enable the RS232 transiver.
*/
sio1007_gpio_config(SIO1007_IOPORT3, 0, GPIO_DIR_OUTPUT,
GPIO_POL_NO_INVERT, GPIO_TYPE_PUSH_PULL);
sio1007_gpio_set_value(SIO1007_RUNTIME_IOPORT, 0, 1);
return 0;
}
static int dm_test_children(struct unit_test_state *uts)
{
struct dm_test_state *dms = uts->priv;
struct udevice *top[NODE_COUNT];
struct udevice *child[NODE_COUNT];
struct udevice *grandchild[NODE_COUNT];
struct udevice *dev;
int total;
int ret;
int i;
/* We don't care about the numbering for this test */
dms->skip_post_probe = 1;
ut_assert(NODE_COUNT > 5);
/* First create 10 top-level children */
ut_assertok(create_children(uts, dms->root, NODE_COUNT, 0, top));
/* Now a few have their own children */
ut_assertok(create_children(uts, top[2], NODE_COUNT, 2, NULL));
ut_assertok(create_children(uts, top[5], NODE_COUNT, 5, child));
/* And grandchildren */
for (i = 0; i < NODE_COUNT; i++)
ut_assertok(create_children(uts, child[i], NODE_COUNT, 50 * i,
i == 2 ? grandchild : NULL));
/* Check total number of devices */
total = NODE_COUNT * (3 + NODE_COUNT);
ut_asserteq(total, dm_testdrv_op_count[DM_TEST_OP_BIND]);
/* Try probing one of the grandchildren */
ut_assertok(uclass_get_device(UCLASS_TEST,
NODE_COUNT * 3 + 2 * NODE_COUNT, &dev));
ut_asserteq_ptr(grandchild[0], dev);
/*
* This should have probed the child and top node also, for a total
* of 3 nodes.
*/
ut_asserteq(3, dm_testdrv_op_count[DM_TEST_OP_PROBE]);
/* Probe the other grandchildren */
for (i = 1; i < NODE_COUNT; i++)
ut_assertok(device_probe(grandchild[i]));
ut_asserteq(2 + NODE_COUNT, dm_testdrv_op_count[DM_TEST_OP_PROBE]);
/* Probe everything */
for (ret = uclass_first_device(UCLASS_TEST, &dev);
dev;
ret = uclass_next_device(&dev))
;
ut_assertok(ret);
ut_asserteq(total, dm_testdrv_op_count[DM_TEST_OP_PROBE]);
/* Remove a top-level child and check that the children are removed */
ut_assertok(device_remove(top[2]));
ut_asserteq(NODE_COUNT + 1, dm_testdrv_op_count[DM_TEST_OP_REMOVE]);
dm_testdrv_op_count[DM_TEST_OP_REMOVE] = 0;
/* Try one with grandchildren */
ut_assertok(uclass_get_device(UCLASS_TEST, 5, &dev));
ut_asserteq_ptr(dev, top[5]);
ut_assertok(device_remove(dev));
ut_asserteq(1 + NODE_COUNT * (1 + NODE_COUNT),
dm_testdrv_op_count[DM_TEST_OP_REMOVE]);
/* Try the same with unbind */
ut_assertok(device_unbind(top[2]));
ut_asserteq(NODE_COUNT + 1, dm_testdrv_op_count[DM_TEST_OP_UNBIND]);
dm_testdrv_op_count[DM_TEST_OP_UNBIND] = 0;
/* Try one with grandchildren */
ut_assertok(uclass_get_device(UCLASS_TEST, 5, &dev));
ut_asserteq_ptr(dev, top[6]);
ut_assertok(device_unbind(top[5]));
ut_asserteq(1 + NODE_COUNT * (1 + NODE_COUNT),
dm_testdrv_op_count[DM_TEST_OP_UNBIND]);
return 0;
}
static void serial_find_console_or_panic(void)
{
const void *blob = gd->fdt_blob;
struct udevice *dev;
#ifdef CONFIG_SERIAL_SEARCH_ALL
int ret;
#endif
if (CONFIG_IS_ENABLED(OF_PLATDATA)) {
uclass_first_device(UCLASS_SERIAL, &dev);
if (dev) {
gd->cur_serial_dev = dev;
return;
}
} else if (CONFIG_IS_ENABLED(OF_CONTROL) && blob) {
/* Live tree has support for stdout */
if (of_live_active()) {
struct device_node *np = of_get_stdout();
if (np && !uclass_get_device_by_ofnode(UCLASS_SERIAL,
np_to_ofnode(np), &dev)) {
gd->cur_serial_dev = dev;
return;
}
} else {
if (!serial_check_stdout(blob, &dev)) {
gd->cur_serial_dev = dev;
return;
}
}
}
if (!SPL_BUILD || !CONFIG_IS_ENABLED(OF_CONTROL) || !blob) {
/*
* Try to use CONFIG_CONS_INDEX if available (it is numbered
* from 1!).
*
* Failing that, get the device with sequence number 0, or in
* extremis just the first working serial device we can find.
* But we insist on having a console (even if it is silent).
*/
#ifdef CONFIG_CONS_INDEX
#define INDEX (CONFIG_CONS_INDEX - 1)
#else
#define INDEX 0
#endif
#ifdef CONFIG_SERIAL_SEARCH_ALL
if (!uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) ||
!uclass_get_device(UCLASS_SERIAL, INDEX, &dev)) {
if (dev->flags & DM_FLAG_ACTIVATED) {
gd->cur_serial_dev = dev;
return;
}
}
/* Search for any working device */
for (ret = uclass_first_device_check(UCLASS_SERIAL, &dev);
dev;
ret = uclass_next_device_check(&dev)) {
if (!ret) {
/* Device did succeed probing */
gd->cur_serial_dev = dev;
return;
}
}
#else
if (!uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) ||
!uclass_get_device(UCLASS_SERIAL, INDEX, &dev) ||
(!uclass_first_device(UCLASS_SERIAL, &dev) && dev)) {
gd->cur_serial_dev = dev;
return;
}
#endif
#undef INDEX
}
#ifdef CONFIG_REQUIRE_SERIAL_CONSOLE
panic_str("No serial driver found");
#endif
}
int dram_init(void)
{
struct pei_data _pei_data __aligned(8);
struct pei_data *pei_data = &_pei_data;
struct udevice *dev, *me_dev, *pch_dev;
struct chipset_power_state ps;
const void *spd_data;
int ret, size;
memset(pei_data, '\0', sizeof(struct pei_data));
/* Print ME state before MRC */
ret = syscon_get_by_driver_data(X86_SYSCON_ME, &me_dev);
if (ret)
return ret;
intel_me_status(me_dev);
/* Save ME HSIO version */
ret = uclass_first_device(UCLASS_PCH, &pch_dev);
if (ret)
return ret;
if (!pch_dev)
return -ENODEV;
power_state_get(pch_dev, &ps);
intel_me_hsio_version(me_dev, &ps.hsio_version, &ps.hsio_checksum);
broadwell_fill_pei_data(pei_data);
mainboard_fill_pei_data(pei_data);
ret = uclass_first_device(UCLASS_NORTHBRIDGE, &dev);
if (ret)
return ret;
if (!dev)
return -ENODEV;
size = 256;
ret = mrc_locate_spd(dev, size, &spd_data);
if (ret)
return ret;
memcpy(pei_data->spd_data[0][0], spd_data, size);
memcpy(pei_data->spd_data[1][0], spd_data, size);
ret = prepare_mrc_cache(pei_data);
if (ret)
debug("prepare_mrc_cache failed: %d\n", ret);
debug("PEI version %#x\n", pei_data->pei_version);
ret = mrc_common_init(dev, pei_data, true);
if (ret)
return ret;
debug("Memory init done\n");
ret = sdram_find(dev);
if (ret)
return ret;
gd->ram_size = gd->arch.meminfo.total_32bit_memory;
debug("RAM size %llx\n", (unsigned long long)gd->ram_size);
debug("MRC output data length %#x at %p\n", pei_data->data_to_save_size,
pei_data->data_to_save);
/* S3 resume: don't save scrambler seed or MRC data */
if (pei_data->boot_mode != SLEEP_STATE_S3) {
/*
* This will be copied to SDRAM in reserve_arch(), then written
* to SPI flash in mrccache_save()
*/
gd->arch.mrc_output = (char *)pei_data->data_to_save;
gd->arch.mrc_output_len = pei_data->data_to_save_size;
}
gd->arch.pei_meminfo = pei_data->meminfo;
return 0;
}
static void serial_find_console_or_panic(void)
{
const void *blob = gd->fdt_blob;
struct udevice *dev;
int node;
if (CONFIG_IS_ENABLED(OF_CONTROL) && blob) {
/* Check for a chosen console */
node = fdtdec_get_chosen_node(blob, "stdout-path");
if (node < 0) {
const char *str, *p, *name;
/*
* Deal with things like
* stdout-path = "serial0:115200n8";
*
* We need to look up the alias and then follow it to
* the correct node.
*/
str = fdtdec_get_chosen_prop(blob, "stdout-path");
if (str) {
p = strchr(str, ':');
name = fdt_get_alias_namelen(blob, str,
p ? p - str : strlen(str));
if (name)
node = fdt_path_offset(blob, name);
}
}
if (node < 0)
node = fdt_path_offset(blob, "console");
if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node,
&dev)) {
gd->cur_serial_dev = dev;
return;
}
/*
* If the console is not marked to be bound before relocation,
* bind it anyway.
*/
if (node > 0 &&
!lists_bind_fdt(gd->dm_root, blob, node, &dev)) {
if (!device_probe(dev)) {
gd->cur_serial_dev = dev;
return;
}
}
}
if (!SPL_BUILD || !CONFIG_IS_ENABLED(OF_CONTROL) || !blob) {
/*
* Try to use CONFIG_CONS_INDEX if available (it is numbered
* from 1!).
*
* Failing that, get the device with sequence number 0, or in
* extremis just the first serial device we can find. But we
* insist on having a console (even if it is silent).
*/
#ifdef CONFIG_CONS_INDEX
#define INDEX (CONFIG_CONS_INDEX - 1)
#else
#define INDEX 0
#endif
if (!uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) ||
!uclass_get_device(UCLASS_SERIAL, INDEX, &dev) ||
(!uclass_first_device(UCLASS_SERIAL, &dev) && dev)) {
gd->cur_serial_dev = dev;
return;
}
#undef INDEX
}
#ifdef CONFIG_REQUIRE_SERIAL_CONSOLE
panic_str("No serial driver found");
#endif
}