int wl1251_boot(struct wl1251 *wl)
{
int ret = 0, minor_minor_e2_ver;
u32 tmp, boot_data;
/* halt embedded ARM CPU while loading firmware */
wl1251_reg_write32(wl, ACX_REG_ECPU_CONTROL, ECPU_CONTROL_HALT);
ret = wl1251_boot_soft_reset(wl);
if (ret < 0)
goto out;
/* 2. start processing NVS file */
if (wl->use_eeprom) {
wl1251_reg_write32(wl, ACX_REG_EE_START, START_EEPROM_MGR);
/* Wait for EEPROM NVS burst read to complete */
msleep(40);
wl1251_reg_write32(wl, ACX_EEPROMLESS_IND_REG, USE_EEPROM);
} else {
ret = wl1251_boot_upload_nvs(wl);
if (ret < 0)
goto out;
/* write firmware's last address (ie. it's length) to
* ACX_EEPROMLESS_IND_REG */
wl1251_reg_write32(wl, ACX_EEPROMLESS_IND_REG, wl->fw_len);
}
/* 6. read the EEPROM parameters */
tmp = wl1251_reg_read32(wl, SCR_PAD2);
/* 7. read bootdata */
wl->boot_attr.radio_type = (tmp & 0x0000FF00) >> 8;
wl->boot_attr.major = (tmp & 0x00FF0000) >> 16;
tmp = wl1251_reg_read32(wl, SCR_PAD3);
/* 8. check bootdata and call restart sequence */
wl->boot_attr.minor = (tmp & 0x00FF0000) >> 16;
minor_minor_e2_ver = (tmp & 0xFF000000) >> 24;
wl1251_debug(DEBUG_BOOT, "radioType 0x%x majorE2Ver 0x%x "
"minorE2Ver 0x%x minor_minor_e2_ver 0x%x",
wl->boot_attr.radio_type, wl->boot_attr.major,
wl->boot_attr.minor, minor_minor_e2_ver);
ret = wl1251_boot_init_seq(wl);
if (ret < 0)
goto out;
/* 9. NVS processing done */
boot_data = wl1251_reg_read32(wl, ACX_REG_ECPU_CONTROL);
wl1251_debug(DEBUG_BOOT, "halt boot_data 0x%x", boot_data);
/* 10. check that ECPU_CONTROL_HALT bits are set in
* pWhalBus->uBootData and start uploading firmware
*/
if ((boot_data & ECPU_CONTROL_HALT) == 0) {
wl1251_error("boot failed, ECPU_CONTROL_HALT not set");
ret = -EIO;
goto out;
}
ret = wl1251_boot_upload_firmware(wl);
if (ret < 0)
goto out;
/* 10.5 start firmware */
ret = wl1251_boot_run_firmware(wl);
if (ret < 0)
goto out;
out:
return ret;
}
int wl1251_boot(struct wl1251 *wl)
{
int ret = 0, minor_minor_e2_ver;
u32 tmp, boot_data;
/* */
wl1251_reg_write32(wl, ACX_REG_ECPU_CONTROL, ECPU_CONTROL_HALT);
ret = wl1251_boot_soft_reset(wl);
if (ret < 0)
goto out;
/* */
if (wl->use_eeprom) {
wl1251_reg_write32(wl, ACX_REG_EE_START, START_EEPROM_MGR);
/* */
msleep(40);
wl1251_reg_write32(wl, ACX_EEPROMLESS_IND_REG, USE_EEPROM);
} else {
ret = wl1251_boot_upload_nvs(wl);
if (ret < 0)
goto out;
/*
*/
wl1251_reg_write32(wl, ACX_EEPROMLESS_IND_REG, wl->fw_len);
}
/* */
tmp = wl1251_reg_read32(wl, SCR_PAD2);
/* */
wl->boot_attr.radio_type = (tmp & 0x0000FF00) >> 8;
wl->boot_attr.major = (tmp & 0x00FF0000) >> 16;
tmp = wl1251_reg_read32(wl, SCR_PAD3);
/* */
wl->boot_attr.minor = (tmp & 0x00FF0000) >> 16;
minor_minor_e2_ver = (tmp & 0xFF000000) >> 24;
wl1251_debug(DEBUG_BOOT, "radioType 0x%x majorE2Ver 0x%x "
"minorE2Ver 0x%x minor_minor_e2_ver 0x%x",
wl->boot_attr.radio_type, wl->boot_attr.major,
wl->boot_attr.minor, minor_minor_e2_ver);
ret = wl1251_boot_init_seq(wl);
if (ret < 0)
goto out;
/* */
boot_data = wl1251_reg_read32(wl, ACX_REG_ECPU_CONTROL);
wl1251_debug(DEBUG_BOOT, "halt boot_data 0x%x", boot_data);
/*
*/
if ((boot_data & ECPU_CONTROL_HALT) == 0) {
wl1251_error("boot failed, ECPU_CONTROL_HALT not set");
ret = -EIO;
goto out;
}
ret = wl1251_boot_upload_firmware(wl);
if (ret < 0)
goto out;
/* */
ret = wl1251_boot_run_firmware(wl);
if (ret < 0)
goto out;
out:
return ret;
}