コード例 #1
0
ファイル: boot.c プロジェクト: 174high/compat_wl18xx
int wlcore_boot_run_firmware(struct wl1271 *wl)
{
	int loop, ret;
	u32 chip_id, intr;

	/* Make sure we have the boot partition */
	ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
	if (ret < 0)
		return ret;

	ret = wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT);
	if (ret < 0)
		return ret;

	ret = wlcore_read_reg(wl, REG_CHIP_ID_B, &chip_id);
	if (ret < 0)
		return ret;

	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);
		ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr);
		if (ret < 0)
			return ret;

		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) {
			ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK,
					       WL1271_ACX_INTR_INIT_COMPLETE);
			if (ret < 0)
				return ret;
			break;
		}
	}

	if (loop > INIT_LOOP) {
		wl1271_error("timeout waiting for the hardware to "
			     "complete initialization");
		return -EIO;
	}

	/* get hardware config command mail box */
	ret = wlcore_read_reg(wl, REG_COMMAND_MAILBOX_PTR, &wl->cmd_box_addr);
	if (ret < 0)
		return ret;

	wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x", wl->cmd_box_addr);

	/* get hardware config event mail box */
	ret = wlcore_read_reg(wl, REG_EVENT_MAILBOX_PTR, &wl->mbox_ptr[0]);
	if (ret < 0)
		return ret;

	wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox);

	wl1271_debug(DEBUG_MAILBOX, "MBOX ptrs: 0x%x 0x%x",
		     wl->mbox_ptr[0], wl->mbox_ptr[1]);

	ret = wlcore_boot_static_data(wl);
	if (ret < 0) {
		wl1271_error("error getting static data");
		return ret;
	}

	/*
	 * 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_LOSS_EVENT_ID |
		SCAN_COMPLETE_EVENT_ID |
		RSSI_SNR_TRIGGER_0_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_FAILURE_EVENT_ID |
		CHANNEL_SWITCH_COMPLETE_EVENT_ID;

	ret = wl1271_event_unmask(wl);
	if (ret < 0) {
		wl1271_error("EVENT mask setting failed");
		return ret;
	}

	/* set the working partition to its "running" mode offset */
	ret = wlcore_set_partition(wl, &wl->ptable[PART_WORK]);

	/* firmware startup completed */
	return ret;
}
コード例 #2
0
static int wl1271_boot_run_firmware(struct wl1271 *wl)
{
    int loop, ret;
    u32 chip_id, interrupt;

    wl1271_boot_set_ecpu_ctrl(wl, ECPU_CONTROL_HALT);

    chip_id = wl1271_reg_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);
        interrupt = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);

        if (interrupt == 0xffffffff) {
            wl1271_error("error reading hardware complete "
                         "init indication");
            return -EIO;
        }
        /* check that ACX_INTR_INIT_COMPLETE is enabled */
        else if (interrupt & WL1271_ACX_INTR_INIT_COMPLETE) {
            wl1271_reg_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_reg_read32(wl, REG_COMMAND_MAILBOX_PTR);

    /* get hardware config event mail box */
    wl->event_box_addr = wl1271_reg_read32(wl, REG_EVENT_MAILBOX_PTR);

    /* set the working partition to its "running" mode offset */
    wl1271_set_partition(wl,
                         part_table[PART_WORK].mem.start,
                         part_table[PART_WORK].mem.size,
                         part_table[PART_WORK].reg.start,
                         part_table[PART_WORK].reg.size);

    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
     */

    /* enable gpio interrupts */
    wl1271_boot_enable_interrupts(wl);

    /* unmask all mbox events  */
    wl->event_mask = 0xffffffff;

    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;
}