static int wl1271_chip_wakeup(struct wl1271 *wl)
{
struct wl1271_partition_set partition;
int ret;
msleep(WL1271_PRE_POWER_ON_SLEEP);
ret = wl1271_power_on(wl);
if (ret)
return ret;
msleep(WL1271_POWER_ON_SLEEP);
/* We don't need a real memory partition here, because we only want
* to use the registers at this point. */
memset(&partition, 0, sizeof(partition));
partition.reg.start = REGISTERS_BASE;
partition.reg.size = REGISTERS_DOWN_SIZE;
wl1271_set_partition(wl, &partition);
/* ELP module wake up */
wl1271_fw_wakeup(wl);
/* whal_FwCtrl_BootSm() */
/* 0. read chip id from CHIP_ID */
wl->chip.id = wl1271_read32(wl, CHIP_ID_B);
/* 1. check if chip id is valid */
switch (wl->chip.id) {
case CHIP_ID_1271_PG10:
wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
wl->chip.id);
break;
case CHIP_ID_1271_PG20:
wl1271_notice("chip id 0x%x (1271 PG20)",
wl->chip.id);
break;
case CHIP_ID_1283_PG20:
wl1271_notice("chip id 0x%x (1283 PG20)",
wl->chip.id);
break;
case CHIP_ID_1283_PG10:
default:
wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
return -ENODEV;
}
return ret;
}
static int wl1271_chip_wakeup(struct wl1271 *wl)
{
int ret = 0;
wl1271_power_on(wl);
msleep(WL1271_POWER_ON_SLEEP);
wl1271_spi_reset(wl);
wl1271_spi_init(wl);
wl1271_set_partition(wl,
0x00000000,
0x00000000,
REGISTERS_BASE,
REGISTERS_DOWN_SIZE);
wl1271_fw_wakeup(wl);
wl->chip.id = wl1271_reg_read32(wl, CHIP_ID_B);
switch (wl->chip.id) {
case CHIP_ID_1271_PG10:
wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
wl->chip.id);
ret = wl1271_setup(wl);
if (ret < 0)
goto out;
break;
case CHIP_ID_1271_PG20:
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
wl->chip.id);
ret = wl1271_setup(wl);
if (ret < 0)
goto out;
break;
default:
wl1271_error("unsupported chip id: 0x%x", wl->chip.id);
ret = -ENODEV;
goto out;
}
if (wl->fw == NULL) {
ret = wl1271_fetch_firmware(wl);
if (ret < 0)
goto out;
}
if (wl->nvs == NULL) {
ret = wl1271_fetch_nvs(wl);
if (ret < 0)
goto out;
}
out:
return ret;
}
static int wl1271_chip_wakeup(struct wl1271 *wl)
{
int ret = 0;
wl1271_power_on(wl);
msleep(WL1271_POWER_ON_SLEEP);
wl1271_spi_reset(wl);
wl1271_spi_init(wl);
/* We don't need a real memory partition here, because we only want
* to use the registers at this point. */
wl1271_set_partition(wl,
0x00000000,
0x00000000,
REGISTERS_BASE,
REGISTERS_DOWN_SIZE);
/* ELP module wake up */
wl1271_fw_wakeup(wl);
/* whal_FwCtrl_BootSm() */
/* 0. read chip id from CHIP_ID */
wl->chip.id = wl1271_reg_read32(wl, CHIP_ID_B);
/* 1. check if chip id is valid */
switch (wl->chip.id) {
case CHIP_ID_1271_PG10:
wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
wl->chip.id);
ret = wl1271_setup(wl);
if (ret < 0)
goto out;
break;
case CHIP_ID_1271_PG20:
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
wl->chip.id);
ret = wl1271_setup(wl);
if (ret < 0)
goto out;
break;
default:
wl1271_error("unsupported chip id: 0x%x", wl->chip.id);
ret = -ENODEV;
goto out;
}
if (wl->fw == NULL) {
ret = wl1271_fetch_firmware(wl);
if (ret < 0)
goto out;
}
/* No NVS from netlink, try to get it from the filesystem */
if (wl->nvs == NULL) {
ret = wl1271_fetch_nvs(wl);
if (ret < 0)
goto out;
}
out:
return ret;
}