/* * This file is part of wl1271 * * Copyright (C) 2008-2010 Nokia Corporation * * Contact: Luciano Coelho * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ #include #include #include #include "debug.h" #include "acx.h" #include "reg.h" #include "boot.h" #include "io.h" #include "event.h" #include "rx.h" static struct wl1271_partition_set part_table[PART_TABLE_LEN] = { [PART_DOWN] = { .mem = { .start = 0x00000000, .size = 0x000177c0 }, .reg = { .start = REGISTERS_BASE, .size = 0x00008800 }, .mem2 = { .start = 0x00000000, .size = 0x00000000 }, .mem3 = { .start = 0x00000000, .size = 0x00000000 }, }, [PART_WORK] = { .mem = { .start = 0x00040000, .size = 0x00014fc0 }, .reg = { .start = REGISTERS_BASE, .size = 0x0000a000 }, .mem2 = { .start = 0x003004f8, .size = 0x00000004 }, .mem3 = { .start = 0x00040404, .size = 0x00000000 }, }, [PART_DRPW] = { .mem = { .start = 0x00040000, .size = 0x00014fc0 }, .reg = { .start = DRPW_BASE, .size = 0x00006000 }, .mem2 = { .start = 0x00000000, .size = 0x00000000 }, .mem3 = { .start = 0x00000000, .size = 0x00000000 } } }; static void wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag) { u32 cpu_ctrl; /* 10.5.0 run the firmware (I) */ cpu_ctrl = wl1271_read32(wl, ACX_REG_ECPU_CONTROL); /* 10.5.1 run the firmware (II) */ cpu_ctrl |= flag; wl1271_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl); } static unsigned int wl12xx_get_fw_ver_quirks(struct wl1271 *wl) { unsigned int quirks = 0; unsigned int *fw_ver = wl->chip.fw_ver; /* Only new station firmwares support routing fw logs to the host */ if ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) && (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_FWLOG_STA_MIN)) quirks |= WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED; /* This feature is not yet supported for AP mode */ if (fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP) quirks |= WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED; return quirks; } static void wl1271_parse_fw_ver(struct wl1271 *wl) { int ret; ret = sscanf(wl->chip.fw_ver_str + 4, "%u.%u.%u.%u.%u", &wl->chip.fw_ver[0], &wl->chip.fw_ver[1], &wl->chip.fw_ver[2], &wl->chip.fw_ver[3], &wl->chip.fw_ver[4]); if (ret != 5) { wl1271_warning("fw version incorrect value"); memset(wl->chip.fw_ver, 0, sizeof(wl->chip.fw_ver)); return; } /* Check if any quirks are needed with older fw versions */ wl->quirks |= wl12xx_get_fw_ver_quirks(wl); } static void wl1271_boot_fw_version(struct wl1271 *wl) { struct wl1271_static_data static_data; wl1271_read(wl, wl->cmd_box_addr, &static_data, sizeof(static_data), false); strncpy(wl->chip.fw_ver_str, static_data.fw_version, sizeof(wl->chip.fw_ver_str)); /* make sure the string is NULL-terminated */ wl->chip.fw_ver_str[sizeof(wl->chip.fw_ver_str) - 1] = '\0'; wl1271_parse_fw_ver(wl); } static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf, size_t fw_data_len, u32 dest) { struct wl1271_partition_set partition; int addr, chunk_num, partition_limit; u8 *p, *chunk; /* whal_FwCtrl_LoadFwImageSm() */ wl1271_debug(DEBUG_BOOT, "starting firmware upload"); wl1271_debug(DEBUG_BOOT, "fw_data_len %zd chunk_size %d", fw_data_len, CHUNK_SIZE); if ((fw_data_len % 4) != 0) { wl1271_error("firmware length not multiple of four"); return -EIO; } chunk = kmalloc(CHUNK_SIZE, GFP_KERNEL); if (!chunk) { wl1271_error("allocation for firmware upload chunk failed"); return -ENOMEM; } memcpy(&partition, &part_table[PART_DOWN], sizeof(partition)); partition.mem.start = dest; wl1271_set_partition(wl, &partition); /* 10.1 set partition limit and chunk num */ chunk_num = 0; partition_limit = part_table[PART_DOWN].mem.size; while (chunk_num < fw_data_len / CHUNK_SIZE) { /* 10.2 update partition, if needed */ addr = dest + (chunk_num + 2) * CHUNK_SIZE; if (addr > partition_limit) { addr = dest + chunk_num * CHUNK_SIZE; partition_limit = chunk_num * CHUNK_SIZE + part_table[PART_DOWN].mem.size; partition.mem.start = addr; wl1271_set_partition(wl, &partition); } /* 10.3 upload the chunk */ addr = dest + chunk_num * CHUNK_SIZE; p = buf + chunk_num * CHUNK_SIZE; memcpy(chunk, p, CHUNK_SIZE); wl1271_debug(DEBUG_BOOT, "uploading fw chunk 0x%p to 0x%x", p, addr); wl1271_write(wl, addr, chunk, CHUNK_SIZE, false); chunk_num++; } /* 10.4 upload the last chunk */ addr = dest + chunk_num * CHUNK_SIZE; p = buf + chunk_num * CHUNK_SIZE; memcpy(chunk, p, fw_data_len % CHUNK_SIZE); wl1271_debug(DEBUG_BOOT, "uploading fw last chunk (%zd B) 0x%p to 0x%x", fw_data_len % CHUNK_SIZE, p, addr); wl1271_write(wl, addr, chunk, fw_data_len % CHUNK_SIZE, false); kfree(chunk); return 0; } static int wl1271_boot_upload_firmware(struct wl1271 *wl) { u32 chunks, addr, len; int ret = 0; u8 *fw; fw = wl->fw; chunks = be32_to_cpup((__be32 *) fw); fw += sizeof(u32); wl1271_debug(DEBUG_BOOT, "firmware chunks to be uploaded: %u", chunks); while (chunks--) { addr = be32_to_cpup((__be32 *) fw); fw += sizeof(u32); len = be32_to_cpup((__be32 *) fw); fw += sizeof(u32); if (len > 300000) { wl1271_info("firmware chunk too long: %u", len); return -EINVAL; } wl1271_debug(DEBUG_BOOT, "chunk %d addr 0x%x len %u", chunks, addr, len); ret = wl1271_boot_upload_firmware_chunk(wl, fw, len, addr); if (ret != 0) break; fw += len; } return ret; } static int wl1271_boot_upload_nvs(struct wl1271 *wl) { size_t nvs_len, burst_len; int i; u32 dest_addr, val; u8 *nvs_ptr, *nvs_aligned; if (wl->nvs == NULL) return -ENODEV; if (wl->chip.id == CHIP_ID_1283_PG20) { struct wl128x_nvs_file *nvs = (struct wl128x_nvs_file *)wl->nvs; if (wl->nvs_len == sizeof(struct wl128x_nvs_file)) { if (nvs->general_params.dual_mode_select) wl->enable_11a = true; } else { wl1271_error("nvs size is not as expected: %zu != %zu", wl->nvs_len, sizeof(struct wl128x_nvs_file)); kfree(wl->nvs); wl->nvs = NULL; wl->nvs_len = 0; return -EILSEQ; } /* only the first part of the NVS needs to be uploaded */ nvs_len = sizeof(nvs->nvs); nvs_ptr = (u8 *)nvs->nvs; } else { struct wl1271_nvs_file *nvs = (struct wl1271_nvs_file *)wl->nvs; /* * FIXME: the LEGACY NVS image support (NVS's missing the 5GHz * band configurations) can be removed when those NVS files stop * floating around. */ if (wl->nvs_len == sizeof(struct wl1271_nvs_file) || wl->nvs_len == WL1271_INI_LEGACY_NVS_FILE_SIZE) { if (nvs->general_params.dual_mode_select) wl->enable_11a = true; } if (wl->nvs_len != sizeof(struct wl1271_nvs_file) && (wl->nvs_len != WL1271_INI_LEGACY_NVS_FILE_SIZE || wl->enable_11a)) { wl1271_error("nvs size is not as expected: %zu != %zu", wl->nvs_len, sizeof(struct wl1271_nvs_file)); kfree(wl->nvs); wl->nvs = NULL; wl->nvs_len = 0; return -EILSEQ; } /* only the first part of the NVS needs to be uploaded */ nvs_len = sizeof(nvs->nvs); nvs_ptr = (u8 *) nvs->nvs; } /* update current MAC address to NVS */ nvs_ptr[11] = wl->mac_addr[0]; nvs_ptr[10] = wl->mac_addr[1]; nvs_ptr[6] = wl->mac_addr[2]; nvs_ptr[5] = wl->mac_addr[3]; nvs_ptr[4] = wl->mac_addr[4]; nvs_ptr[3] = wl->mac_addr[5]; /* * Layout before the actual NVS tables: * 1 byte : burst length. * 2 bytes: destination address. * n bytes: data to burst copy. * * This is ended by a 0 length, then the NVS tables. */ /* FIXME: Do we need to check here whether the LSB is 1? */ while (nvs_ptr[0]) { burst_len = nvs_ptr[0]; dest_addr = (nvs_ptr[1] & 0xfe) | ((u32)(nvs_ptr[2] << 8)); /* * Due to our new wl1271_translate_reg_addr function, * we need to add the REGISTER_BASE to the destination */ dest_addr += REGISTERS_BASE; /* We move our pointer to the data */ nvs_ptr += 3; for (i = 0; i < burst_len; i++) { val = (nvs_ptr[0] | (nvs_ptr[1] << 8) | (nvs_ptr[2] << 16) | (nvs_ptr[3] << 24)); wl1271_debug(DEBUG_BOOT, "nvs burst write 0x%x: 0x%x", dest_addr, val); wl1271_write32(wl, dest_addr, val); nvs_ptr += 4; dest_addr += 4; } } /* * We've reached the first zero length, the first NVS table * is located at an aligned offset which is at least 7 bytes further. * NOTE: The wl->nvs->nvs element must be first, in order to * simplify the casting, we assume it is at the beginning of * the wl->nvs structure. */ nvs_ptr = (u8 *)wl->nvs + ALIGN(nvs_ptr - (u8 *)wl->nvs + 7, 4); nvs_len -= nvs_ptr - (u8 *)wl->nvs; /* Now we must set the partition correctly */ wl1271_set_partition(wl, &part_table[PART_WORK]); /* Copy the NVS tables to a new block to ensure alignment */ nvs_aligned = kmemdup(nvs_ptr, nvs_len, GFP_KERNEL); if (!nvs_aligned) return -ENOMEM; /* And finally we upload the NVS tables */ wl1271_write(wl, CMD_MBOX_ADDRESS, nvs_aligned, nvs_len, false); kfree(nvs_aligned); return 0; } static void wl1271_boot_enable_interrupts(struct wl1271 *wl) { wl1271_enable_interrupts(wl); wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); wl1271_write32(wl, HI_CFG, HI_CFG_DEF_VAL); } static int wl1271_boot_soft_reset(struct wl1271 *wl) { unsigned long timeout; u32 boot_data; /* perform soft reset */ wl1271_write32(wl, ACX_REG_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT); /* SOFT_RESET is self clearing */ timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME); while (1) { boot_data = wl1271_read32(wl, ACX_REG_SLV_SOFT_RESET); wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data); if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0) break; if (time_after(jiffies, timeout)) { /* 1.2 check pWhalBus->uSelfClearTime if the * timeout was reached */ wl1271_error("soft reset timeout"); return -1; } udelay(SOFT_RESET_STALL_TIME); } /* disable Rx/Tx */ wl1271_write32(wl, ENABLE, 0x0); /* disable auto calibration on start*/ wl1271_write32(wl, SPARE_A2, 0xffff); return 0; } static int wl1271_boot_run_firmware(struct wl1271 *wl) { int loop, ret; u32 chip_id, intr; wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT); chip_id = wl1271_read32(wl, CHIP_ID_B); wl1271_debug(DEBUG_BOOT, "chip id after firmware boot: 0x%x", chip_id); if (chip_id != wl->chip.id) { wl1271_error("chip id doesn't match after firmware boot"); return -EIO; } /* wait for init to complete */ loop = 0; while (loop++ < INIT_LOOP) { udelay(INIT_LOOP_DELAY); intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR); if (intr == 0xffffffff) { wl1271_error("error reading hardware complete " "init indication"); return -EIO; } /* check that ACX_INTR_INIT_COMPLETE is enabled */ else if (intr & WL1271_ACX_INTR_INIT_COMPLETE) { wl1271_write32(wl, ACX_REG_INTERRUPT_ACK, WL1271_ACX_INTR_INIT_COMPLETE); break; } } if (loop > INIT_LOOP) { wl1271_error("timeout waiting for the hardware to " "complete initialization"); return -EIO; } /* get hardware config command mail box */ wl->cmd_box_addr = wl1271_read32(wl, REG_COMMAND_MAILBOX_PTR); /* get hardware config event mail box */ wl->event_box_addr = wl1271_read32(wl, REG_EVENT_MAILBOX_PTR); /* set the working partition to its "running" mode offset */ wl1271_set_partition(wl, &part_table[PART_WORK]); wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x event_box_addr 0x%x", wl->cmd_box_addr, wl->event_box_addr); wl1271_boot_fw_version(wl); /* * in case of full asynchronous mode the firmware event must be * ready to receive event from the command mailbox */ /* unmask required mbox events */ wl->event_mask = BSS_LOSE_EVENT_ID | SCAN_COMPLETE_EVENT_ID | PS_REPORT_EVENT_ID | DISCONNECT_EVENT_COMPLETE_ID | RSSI_SNR_TRIGGER_0_EVENT_ID | PSPOLL_DELIVERY_FAILURE_EVENT_ID | SOFT_GEMINI_SENSE_EVENT_ID | PERIODIC_SCAN_REPORT_EVENT_ID | PERIODIC_SCAN_COMPLETE_EVENT_ID | DUMMY_PACKET_EVENT_ID | PEER_REMOVE_COMPLETE_EVENT_ID | BA_SESSION_RX_CONSTRAINT_EVENT_ID | REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID | INACTIVE_STA_EVENT_ID | MAX_TX_RETRY_EVENT_ID | CHANNEL_SWITCH_COMPLETE_EVENT_ID; ret = wl1271_event_unmask(wl); if (ret < 0) { wl1271_error("EVENT mask setting failed"); return ret; } wl1271_event_mbox_config(wl); /* firmware startup completed */ return 0; } static int wl1271_boot_write_irq_polarity(struct wl1271 *wl) { u32 polarity; polarity = wl1271_top_reg_read(wl, OCP_REG_POLARITY); /* We use HIGH polarity, so unset the LOW bit */ polarity &= ~POLARITY_LOW; wl1271_top_reg_write(wl, OCP_REG_POLARITY, polarity); return 0; } static void wl1271_boot_hw_version(struct wl1271 *wl) { u32 fuse; if (wl->chip.id == CHIP_ID_1283_PG20) fuse = wl1271_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1); else fuse = wl1271_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1); fuse = (fuse & PG_VER_MASK) >> PG_VER_OFFSET; wl->hw_pg_ver = (s8)fuse; } static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl) { u16 spare_reg; /* Mask bits [2] & [8:4] in the sys_clk_cfg register */ spare_reg = wl1271_top_reg_read(wl, WL_SPARE_REG); if (spare_reg == 0xFFFF) return -EFAULT; spare_reg |= (BIT(3) | BIT(5) | BIT(6)); wl1271_top_reg_write(wl, WL_SPARE_REG, spare_reg); /* Enable FREF_CLK_REQ & mux MCS and coex PLLs to FREF */ wl1271_top_reg_write(wl, SYS_CLK_CFG_REG, WL_CLK_REQ_TYPE_PG2 | MCS_PLL_CLK_SEL_FREF); /* Delay execution for 15msec, to let the HW settle */ mdelay(15); return 0; } static bool wl128x_is_tcxo_valid(struct wl1271 *wl) { u16 tcxo_detection; tcxo_detection = wl1271_top_reg_read(wl, TCXO_CLK_DETECT_REG); if (tcxo_detection & TCXO_DET_FAILED) return false; return true; } static bool wl128x_is_fref_valid(struct wl1271 *wl) { u16 fref_detection; fref_detection = wl1271_top_reg_read(wl, FREF_CLK_DETECT_REG); if (fref_detection & FREF_CLK_DETECT_FAIL) return false; return true; } static int wl128x_manually_configure_mcs_pll(struct wl1271 *wl) { wl1271_top_reg_write(wl, MCS_PLL_M_REG, MCS_PLL_M_REG_VAL); wl1271_top_reg_write(wl, MCS_PLL_N_REG, MCS_PLL_N_REG_VAL); wl1271_top_reg_write(wl, MCS_PLL_CONFIG_REG, MCS_PLL_CONFIG_REG_VAL); return 0; } static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk) { u16 spare_reg; u16 pll_config; u8 input_freq; /* Mask bits [3:1] in the sys_clk_cfg register */ spare_reg = wl1271_top_reg_read(wl, WL_SPARE_REG); if (spare_reg == 0xFFFF) return -EFAULT; spare_reg |= BIT(2); wl1271_top_reg_write(wl, WL_SPARE_REG, spare_reg); /* Handle special cases of the TCXO clock */ if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_8 || wl->tcxo_clock == WL12XX_TCXOCLOCK_33_6) return wl128x_manually_configure_mcs_pll(wl); /* Set the input frequency according to the selected clock source */ input_freq = (clk & 1) + 1; pll_config = wl1271_top_reg_read(wl, MCS_PLL_CONFIG_REG); if (pll_config == 0xFFFF) return -EFAULT; pll_config |= (input_freq << MCS_SEL_IN_FREQ_SHIFT); pll_config |= MCS_PLL_ENABLE_HP; wl1271_top_reg_write(wl, MCS_PLL_CONFIG_REG, pll_config); return 0; } /* * WL128x has two clocks input - TCXO and FREF. * TCXO is the main clock of the device, while FREF is used to sync * between the GPS and the cellular modem. * In cases where TCXO is 32.736MHz or 16.368MHz, the FREF will be used * as the WLAN/BT main clock. */ static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock) { u16 sys_clk_cfg; /* For XTAL-only modes, FREF will be used after switching from TCXO */ if (wl->ref_clock == WL12XX_REFCLOCK_26_XTAL || wl->ref_clock == WL12XX_REFCLOCK_38_XTAL) { if (!wl128x_switch_tcxo_to_fref(wl)) return -EINVAL; goto fref_clk; } /* Query the HW, to determine which clock source we should use */ sys_clk_cfg = wl1271_top_reg_read(wl, SYS_CLK_CFG_REG); if (sys_clk_cfg == 0xFFFF) return -EINVAL; if (sys_clk_cfg & PRCM_CM_EN_MUX_WLAN_FREF) goto fref_clk; /* If TCXO is either 32.736MHz or 16.368MHz, switch to FREF */ if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_368 || wl->tcxo_clock == WL12XX_TCXOCLOCK_32_736) { if (!wl128x_switch_tcxo_to_fref(wl)) return -EINVAL; goto fref_clk; } /* TCXO clock is selected */ if (!wl128x_is_tcxo_valid(wl)) return -EINVAL; *selected_clock = wl->tcxo_clock; goto config_mcs_pll; fref_clk: /* FREF clock is selected */ if (!wl128x_is_fref_valid(wl)) return -EINVAL; *selected_clock = wl->ref_clock; config_mcs_pll: return wl128x_configure_mcs_pll(wl, *selected_clock); } static int wl127x_boot_clk(struct wl1271 *wl) { u32 pause; u32 clk; if (((wl->hw_pg_ver & PG_MAJOR_VER_MASK) >> PG_MAJOR_VER_OFFSET) < 3) wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION; if (wl->ref_clock == CONF_REF_CLK_19_2_E || wl->ref_clock == CONF_REF_CLK_38_4_E || wl->ref_clock == CONF_REF_CLK_38_4_M_XTAL) /* ref clk: 19.2/38.4/38.4-XTAL */ clk = 0x3; else if (wl->ref_clock == CONF_REF_CLK_26_E || wl->ref_clock == CONF_REF_CLK_52_E) /* ref clk: 26/52 */ clk = 0x5; else return -EINVAL; if (wl->ref_clock != CONF_REF_CLK_19_2_E) { u16 val; /* Set clock type (open drain) */ val = wl1271_top_reg_read(wl, OCP_REG_CLK_TYPE); val &= FREF_CLK_TYPE_BITS; wl1271_top_reg_write(wl, OCP_REG_CLK_TYPE, val); /* Set clock pull mode (no pull) */ val = wl1271_top_reg_read(wl, OCP_REG_CLK_PULL); val |= NO_PULL; wl1271_top_reg_write(wl, OCP_REG_CLK_PULL, val); } else { u16 val; /* Set clock polarity */ val = wl1271_top_reg_read(wl, OCP_REG_CLK_POLARITY); val &= FREF_CLK_POLARITY_BITS; val |= CLK_REQ_OUTN_SEL; wl1271_top_reg_write(wl, OCP_REG_CLK_POLARITY, val); } wl1271_write32(wl, PLL_PARAMETERS, clk); pause = wl1271_read32(wl, PLL_PARAMETERS); wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause); pause &= ~(WU_COUNTER_PAUSE_VAL); pause |= WU_COUNTER_PAUSE_VAL; wl1271_write32(wl, WU_COUNTER_PAUSE, pause); return 0; } /* uploads NVS and firmware */ int wl1271_load_firmware(struct wl1271 *wl) { int ret = 0; u32 tmp, clk; int selected_clock = -1; wl1271_boot_hw_version(wl); if (wl->chip.id == CHIP_ID_1283_PG20) { ret = wl128x_boot_clk(wl, &selected_clock); if (ret < 0) goto out; } else { ret = wl127x_boot_clk(wl); if (ret < 0) goto out; } /* Continue the ELP wake up sequence */ wl1271_write32(wl, WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL); udelay(500); wl1271_set_partition(wl, &part_table[PART_DRPW]); /* Read-modify-write DRPW_SCRATCH_START register (see next state) to be used by DRPw FW. The RTRIM value will be added by the FW before taking DRPw out of reset */ wl1271_debug(DEBUG_BOOT, "DRPW_SCRATCH_START %08x", DRPW_SCRATCH_START); clk = wl1271_read32(wl, DRPW_SCRATCH_START); wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk); if (wl->chip.id == CHIP_ID_1283_PG20) { clk |= ((selected_clock & 0x3) << 1) << 4; } else { clk |= (wl->ref_clock << 1) << 4; } wl1271_write32(wl, DRPW_SCRATCH_START, clk); wl1271_set_partition(wl, &part_table[PART_WORK]); /* Disable interrupts */ wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); ret = wl1271_boot_soft_reset(wl); if (ret < 0) goto out; /* 2. start processing NVS file */ ret = wl1271_boot_upload_nvs(wl); if (ret < 0) goto out; /* write firmware's last address (ie. it's length) to * ACX_EEPROMLESS_IND_REG */ wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG"); wl1271_write32(wl, ACX_EEPROMLESS_IND_REG, ACX_EEPROMLESS_IND_REG); tmp = wl1271_read32(wl, CHIP_ID_B); wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp); /* 6. read the EEPROM parameters */ tmp = wl1271_read32(wl, SCR_PAD2); /* WL1271: The reference driver skips steps 7 to 10 (jumps directly * to upload_fw) */ if (wl->chip.id == CHIP_ID_1283_PG20) wl1271_top_reg_write(wl, SDIO_IO_DS, wl->conf.hci_io_ds); ret = wl1271_boot_upload_firmware(wl); if (ret < 0) goto out; out: return ret; } EXPORT_SYMBOL_GPL(wl1271_load_firmware); int wl1271_boot(struct wl1271 *wl) { int ret; /* upload NVS and firmware */ ret = wl1271_load_firmware(wl); if (ret) return ret; /* 10.5 start firmware */ ret = wl1271_boot_run_firmware(wl); if (ret < 0) goto out; ret = wl1271_boot_write_irq_polarity(wl); if (ret < 0) goto out; wl1271_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR); /* Enable firmware interrupts now */ wl1271_boot_enable_interrupts(wl); wl1271_event_mbox_config(wl); out: return ret; }