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chip.id) { case CHIP_ID_1271_PG10: wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", wl-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; }
void wl1271_io_reset(struct wl1271 *wl) { wl1271_spi_reset(wl); }
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chip.id) { case CHIP_ID_1271_PG10: wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", wl-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; }