static int dm_test_reset_bulk(struct unit_test_state *uts)
{
struct udevice *dev_reset;
struct udevice *dev_test;
ut_assertok(uclass_get_device_by_name(UCLASS_RESET, "reset-ctl",
&dev_reset));
ut_asserteq(0, sandbox_reset_query(dev_reset, TEST_RESET_ID));
ut_asserteq(0, sandbox_reset_query(dev_reset, OTHER_RESET_ID));
ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "reset-ctl-test",
&dev_test));
ut_assertok(sandbox_reset_test_get_bulk(dev_test));
ut_assertok(sandbox_reset_test_assert_bulk(dev_test));
ut_asserteq(1, sandbox_reset_query(dev_reset, TEST_RESET_ID));
ut_asserteq(1, sandbox_reset_query(dev_reset, OTHER_RESET_ID));
ut_assertok(sandbox_reset_test_deassert_bulk(dev_test));
ut_asserteq(0, sandbox_reset_query(dev_reset, TEST_RESET_ID));
ut_asserteq(0, sandbox_reset_query(dev_reset, OTHER_RESET_ID));
ut_assertok(sandbox_reset_test_release_bulk(dev_test));
ut_asserteq(1, sandbox_reset_query(dev_reset, TEST_RESET_ID));
ut_asserteq(1, sandbox_reset_query(dev_reset, OTHER_RESET_ID));
return 0;
}
static int dm_test_clk_bulk(struct unit_test_state *uts)
{
struct udevice *dev_clk, *dev_test;
ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
&dev_clk));
ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
&dev_test));
ut_assertok(sandbox_clk_test_get_bulk(dev_test));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
/* Fixed clock does not support enable, thus should not fail */
ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
/* Fixed clock does not support disable, thus should not fail */
ut_assertok(sandbox_clk_test_disable_bulk(dev_test));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
/* Fixed clock does not support enable, thus should not fail */
ut_assertok(sandbox_clk_test_enable_bulk(dev_test));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
/* Fixed clock does not support disable, thus should not fail */
ut_assertok(sandbox_clk_test_release_bulk(dev_test));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
return 0;
}
/* Check for vol- button - if pressed - stop autoboot */
int misc_init_r(void)
{
struct udevice *pon;
struct gpio_desc resin;
int node, ret;
ret = uclass_get_device_by_name(UCLASS_GPIO, "pm8916_pon@800", &pon);
if (ret < 0) {
printf("Failed to find PMIC pon node. Check device tree\n");
return 0;
}
node = fdt_subnode_offset(gd->fdt_blob, dev_of_offset(pon),
"key_vol_down");
if (node < 0) {
printf("Failed to find key_vol_down node. Check device tree\n");
return 0;
}
if (gpio_request_by_name_nodev(offset_to_ofnode(node), "gpios", 0,
&resin, 0)) {
printf("Failed to request key_vol_down button.\n");
return 0;
}
if (dm_gpio_get_value(&resin)) {
env_set("bootdelay", "-1");
printf("Power button pressed - dropping to console.\n");
}
return 0;
}
static bool disable_mcu_watchdog(void)
{
struct udevice *bus, *dev;
int ret, retry = 3;
uchar buf[1] = {0x0};
if (uclass_get_device_by_name(UCLASS_I2C, OMNIA_I2C_MCU_DM_NAME, &bus)) {
puts("Cannot find MCU bus! Can not disable MCU WDT.\n");
return false;
}
ret = i2c_get_chip(bus, OMNIA_I2C_MCU, 1, &dev);
if (ret) {
puts("Cannot get MCU chip! Can not disable MCU WDT.\n");
return false;
}
for (; retry > 0; --retry)
if (!dm_i2c_write(dev, OMNIA_I2C_MCU_WDT_ADDR, (uchar *) buf, 1))
break;
if (retry <= 0) {
puts("I2C MCU watchdog failed to disable!\n");
return false;
}
return true;
}
int request_gpio_by_name(struct gpio_desc *gpio, const char *gpio_dev_name,
uint offset, char *gpio_name)
{
struct udevice *gpio_dev = NULL;
if (uclass_get_device_by_name(UCLASS_GPIO, gpio_dev_name, &gpio_dev))
return 1;
gpio->dev = gpio_dev;
gpio->offset = offset;
gpio->flags = 0;
return dm_gpio_request(gpio, gpio_name);
}
static struct udevice *get_atsha204a_dev(void)
{
static struct udevice *dev = NULL;
if (dev != NULL)
return dev;
if (uclass_get_device_by_name(UCLASS_MISC, "atsha204a@64", &dev)) {
puts("Cannot find ATSHA204A on I2C bus!\n");
dev = NULL;
}
return dev;
}
int msm_fixup_memory(void *blob)
{
u64 bank_start[MEMORY_BANKS_MAX];
u64 bank_size[MEMORY_BANKS_MAX];
size_t size;
int i;
int count = 0;
struct udevice *smem;
int ret;
struct smem_ram_ptable *ram_ptable;
struct smem_ram_ptn *p;
ret = uclass_get_device_by_name(UCLASS_SMEM, "smem", &smem);
if (ret < 0) {
printf("Failed to find SMEM node. Check device tree\n");
return 0;
}
ram_ptable = smem_get(smem, -1, SMEM_USABLE_RAM_PARTITION_TABLE, &size);
if (!ram_ptable) {
printf("Failed to find SMEM partition.\n");
return -ENODEV;
}
/* Check validy of RAM */
for (i = 0; i < RAM_NUM_PART_ENTRIES; i++) {
p = &ram_ptable->parts[i];
if (p->category == CATEGORY_SDRAM && p->type == TYPE_SYSMEM) {
bank_start[count] = p->start;
bank_size[count] = p->size;
debug("Detected memory bank %u: start: 0x%llx size: 0x%llx\n",
count, p->start, p->size);
count++;
}
}
if (!count) {
printf("Failed to detect any memory bank\n");
return -ENODEV;
}
ret = fdt_fixup_memory_banks(blob, bank_start, bank_size, count);
if (ret)
return ret;
return 0;
}
static bool omnia_detect_sata(void)
{
struct udevice *bus, *dev;
int ret, retry = 3;
u16 mode;
puts("SERDES0 card detect: ");
if (uclass_get_device_by_name(UCLASS_I2C, OMNIA_I2C_MCU_DM_NAME, &bus)) {
puts("Cannot find MCU bus!\n");
return false;
}
ret = i2c_get_chip(bus, OMNIA_I2C_MCU, 1, &dev);
if (ret) {
puts("Cannot get MCU chip!\n");
return false;
}
for (; retry > 0; --retry) {
ret = dm_i2c_read(dev, OMNIA_I2C_MCU_ADDR_STATUS, (uchar *) &mode, 2);
if (!ret)
break;
}
if (!retry) {
puts("I2C read failed! Default PEX\n");
return false;
}
if (!(mode & OMNIA_I2C_MCU_CARDDET)) {
puts("NONE\n");
return false;
}
if (mode & OMNIA_I2C_MCU_SATA) {
puts("SATA\n");
return true;
} else {
puts("PEX\n");
return false;
}
}
static bool omnia_read_eeprom(struct omnia_eeprom *oep)
{
struct udevice *bus, *dev;
int ret, crc, retry = 3;
if (uclass_get_device_by_name(UCLASS_I2C, OMNIA_I2C_EEPROM_DM_NAME, &bus)) {
puts("Cannot find EEPROM bus\n");
return false;
}
ret = i2c_get_chip(bus, OMNIA_I2C_EEPROM, OMNIA_I2C_EEPROM_ADDRLEN, &dev);
if (ret) {
puts("Cannot get EEPROM chip\n");
return false;
}
for (; retry > 0; --retry) {
ret = dm_i2c_read(dev, OMNIA_I2C_EEPROM_CONFIG_ADDR, (uchar *) oep, sizeof(struct omnia_eeprom));
if (ret)
continue;
if (oep->magic != OMNIA_I2C_EEPROM_MAGIC) {
puts("I2C EEPROM missing magic number!\n");
continue;
}
crc = crc32(0, (unsigned char *) oep,
sizeof(struct omnia_eeprom) - 4);
if (crc == oep->crc) {
break;
} else {
printf("CRC of EEPROM memory config failed! "
"calc=0x%04x saved=0x%04x\n", crc, oep->crc);
}
}
if (!retry) {
puts("I2C EEPROM read failed!\n");
return false;
}
return true;
}
static int dm_test_dma_rx(struct unit_test_state *uts)
{
struct udevice *dev;
struct dma dma_tx, dma_rx;
u8 src_buf[512];
u8 dst_buf[512];
void *dst_ptr;
size_t len = 512;
u32 meta1, meta2;
int i;
ut_assertok(uclass_get_device_by_name(UCLASS_DMA, "dma", &dev));
ut_assertok(dma_get_by_name(dev, "tx0", &dma_tx));
ut_assertok(dma_get_by_name(dev, "rx0", &dma_rx));
ut_assertok(dma_enable(&dma_tx));
ut_assertok(dma_enable(&dma_rx));
memset(dst_buf, 0, len);
for (i = 0; i < len; i++)
src_buf[i] = i;
meta1 = 0xADADDEAD;
meta2 = 0;
dst_ptr = NULL;
ut_assertok(dma_prepare_rcv_buf(&dma_tx, dst_buf, len));
ut_assertok(dma_send(&dma_tx, src_buf, len, &meta1));
ut_asserteq(len, dma_receive(&dma_rx, &dst_ptr, &meta2));
ut_asserteq(0xADADDEAD, meta2);
ut_asserteq_ptr(dst_buf, dst_ptr);
ut_assertok(dma_disable(&dma_tx));
ut_assertok(dma_disable(&dma_rx));
ut_assertok(dma_free(&dma_tx));
ut_assertok(dma_free(&dma_rx));
ut_assertok(memcmp(src_buf, dst_buf, len));
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;
}
static int dm_test_dma_m2m(struct unit_test_state *uts)
{
struct udevice *dev;
struct dma dma_m2m;
u8 src_buf[512];
u8 dst_buf[512];
size_t len = 512;
int i;
ut_assertok(uclass_get_device_by_name(UCLASS_DMA, "dma", &dev));
ut_assertok(dma_get_by_name(dev, "m2m", &dma_m2m));
memset(dst_buf, 0, len);
for (i = 0; i < len; i++)
src_buf[i] = i;
ut_assertok(dma_memcpy(dst_buf, src_buf, len));
ut_assertok(memcmp(src_buf, dst_buf, len));
return 0;
}
int board_fix_fdt(void *rw_fdt_blob)
{
struct udevice *bus = NULL;
uint k;
char name[64];
int err;
err = uclass_get_device_by_name(UCLASS_I2C, "i2c@11000", &bus);
if (err) {
printf("Could not get I2C bus.\n");
return err;
}
for (k = 0x21; k <= 0x26; k++) {
snprintf(name, 64,
"/soc/internal-regs/i2c@11000/pca9698@%02x", k);
if (!dm_i2c_simple_probe(bus, k))
fdt_disable_by_ofname(rw_fdt_blob, name);
}
return 0;
}
int board_prepare_usb(enum usb_init_type type)
{
static struct udevice *pmic_gpio;
static struct gpio_desc hub_reset, usb_sel;
int ret = 0, node;
if (!pmic_gpio) {
ret = uclass_get_device_by_name(UCLASS_GPIO,
"pm8916_gpios@c000",
&pmic_gpio);
if (ret < 0) {
printf("Failed to find pm8916_gpios@c000 node.\n");
return ret;
}
}
/* Try to request gpios needed to start usb host on dragonboard */
if (!dm_gpio_is_valid(&hub_reset)) {
node = fdt_subnode_offset(gd->fdt_blob,
dev_of_offset(pmic_gpio),
"usb_hub_reset_pm");
if (node < 0) {
printf("Failed to find usb_hub_reset_pm dt node.\n");
return node;
}
ret = gpio_request_by_name_nodev(offset_to_ofnode(node),
"gpios", 0, &hub_reset, 0);
if (ret < 0) {
printf("Failed to request usb_hub_reset_pm gpio.\n");
return ret;
}
}
if (!dm_gpio_is_valid(&usb_sel)) {
node = fdt_subnode_offset(gd->fdt_blob,
dev_of_offset(pmic_gpio),
"usb_sw_sel_pm");
if (node < 0) {
printf("Failed to find usb_sw_sel_pm dt node.\n");
return 0;
}
ret = gpio_request_by_name_nodev(offset_to_ofnode(node),
"gpios", 0, &usb_sel, 0);
if (ret < 0) {
printf("Failed to request usb_sw_sel_pm gpio.\n");
return ret;
}
}
if (type == USB_INIT_HOST) {
/* Start USB Hub */
dm_gpio_set_dir_flags(&hub_reset,
GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
mdelay(100);
/* Switch usb to host connectors */
dm_gpio_set_dir_flags(&usb_sel,
GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
mdelay(100);
} else { /* Device */
/* Disable hub */
dm_gpio_set_dir_flags(&hub_reset, GPIOD_IS_OUT);
/* Switch back to device connector */
dm_gpio_set_dir_flags(&usb_sel, GPIOD_IS_OUT);
}
return 0;
}
static int dm_test_clk(struct unit_test_state *uts)
{
struct udevice *dev_fixed, *dev_clk, *dev_test;
ulong rate;
ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-fixed",
&dev_fixed));
ut_assertok(uclass_get_device_by_name(UCLASS_CLK, "clk-sbox",
&dev_clk));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "clk-test",
&dev_test));
ut_assertok(sandbox_clk_test_get(dev_test));
ut_assertok(sandbox_clk_test_valid(dev_test));
ut_asserteq(1234,
sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_FIXED));
ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(0, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C));
rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED,
12345);
ut_assert(IS_ERR_VALUE(rate));
rate = sandbox_clk_test_get_rate(dev_test, SANDBOX_CLK_TEST_ID_FIXED);
ut_asserteq(1234, rate);
ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
SANDBOX_CLK_TEST_ID_SPI,
1000));
ut_asserteq(0, sandbox_clk_test_set_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C,
2000));
ut_asserteq(1000, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(2000, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C));
ut_asserteq(1000, sandbox_clk_test_set_rate(dev_test,
SANDBOX_CLK_TEST_ID_SPI,
10000));
ut_asserteq(2000, sandbox_clk_test_set_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C,
20000));
rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_SPI, 0);
ut_assert(IS_ERR_VALUE(rate));
rate = sandbox_clk_test_set_rate(dev_test, SANDBOX_CLK_TEST_ID_I2C, 0);
ut_assert(IS_ERR_VALUE(rate));
ut_asserteq(10000, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(20000, sandbox_clk_test_get_rate(dev_test,
SANDBOX_CLK_TEST_ID_I2C));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_asserteq(10000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(20000, sandbox_clk_query_rate(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(sandbox_clk_test_enable(dev_test, SANDBOX_CLK_TEST_ID_I2C));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(sandbox_clk_test_disable(dev_test,
SANDBOX_CLK_TEST_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(1, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(sandbox_clk_test_disable(dev_test,
SANDBOX_CLK_TEST_ID_I2C));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_SPI));
ut_asserteq(0, sandbox_clk_query_enable(dev_clk, SANDBOX_CLK_ID_I2C));
ut_assertok(sandbox_clk_test_free(dev_test));
return 0;
}
static int dm_test_misc(struct unit_test_state *uts)
{
struct udevice *dev;
u8 buf[16];
int id;
ulong last_ioctl;
bool enabled;
ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "misc-test", &dev));
/* Read / write tests */
ut_asserteq(4, misc_write(dev, 0, "TEST", 4));
ut_asserteq(5, misc_write(dev, 4, "WRITE", 5));
ut_asserteq(9, misc_read(dev, 0, buf, 9));
ut_assertok(memcmp(buf, "TESTWRITE", 9));
/* Call tests */
id = 0;
ut_assertok(misc_call(dev, 0, &id, 4, buf, 16));
ut_assertok(memcmp(buf, "Zero", 4));
id = 2;
ut_assertok(misc_call(dev, 0, &id, 4, buf, 16));
ut_assertok(memcmp(buf, "Two", 3));
ut_assertok(misc_call(dev, 1, &id, 4, buf, 16));
ut_assertok(memcmp(buf, "Forty-two", 9));
id = 1;
ut_assertok(misc_call(dev, 1, &id, 4, buf, 16));
ut_assertok(memcmp(buf, "Forty-one", 9));
/* IOCTL tests */
ut_assertok(misc_ioctl(dev, 6, NULL));
/* Read back last issued ioctl */
ut_assertok(misc_call(dev, 2, NULL, 0, &last_ioctl,
sizeof(last_ioctl)));
ut_asserteq(6, last_ioctl)
ut_assertok(misc_ioctl(dev, 23, NULL));
/* Read back last issued ioctl */
ut_assertok(misc_call(dev, 2, NULL, 0, &last_ioctl,
sizeof(last_ioctl)));
ut_asserteq(23, last_ioctl)
/* Enable / disable tests */
/* Read back enable/disable status */
ut_assertok(misc_call(dev, 3, NULL, 0, &enabled,
sizeof(enabled)));
ut_asserteq(true, enabled);
ut_assertok(misc_set_enabled(dev, false));
/* Read back enable/disable status */
ut_assertok(misc_call(dev, 3, NULL, 0, &enabled,
sizeof(enabled)));
ut_asserteq(false, enabled);
ut_assertok(misc_set_enabled(dev, true));
/* Read back enable/disable status */
ut_assertok(misc_call(dev, 3, NULL, 0, &enabled,
sizeof(enabled)));
ut_asserteq(true, enabled);
return 0;
}
