Platform: RK3288
OS: Android 6.0
Kernel: 3.10.92

背景：

RK3288 Android6.0平台对AP6356S的支持不是很完善，直接修改wifi chip type后，会出现如下error:

[    9.169008] dhdsdio_download_nvram: Open nvram file failed /system/etc/firmware/nvram_ap6356s.txt
[    9.169016] _dhdsdio_download_firmware: dongle nvram file download failed
[    9.169039] dhd_net_bus_devreset: dhd_bus_devreset: -35
[    9.169045] dhd_prot_ioctl : bus is down. we have nothing to do
[    9.169048] dhd_net_bus_devreset: dhd_bus_devreset: -35

也就是说对应的bin文件和nvram文件缺失，需要更新固件和驱动。

---

解决方法：

1. 更新驱动

diff --git a/arch/arm/boot/dts/rk3288-ben.dts b/arch/arm/boot/dts/rk3288-ben.dts
index c6faa65..d903a36 100644
@@ -17,19 +17,19 @@* rtl8188eu, rtl8723bs, rtl8723bu* esp8089*/
-       wifi_chip_type = "ap6335";
+      wifi_chip_type = "ap6354";sdio_vref = <1800>; //1800mv or 3300mv//keep_wifi_power_on;//power_ctrl_by_pmu;
-        power_pmu_regulator = "act_ldo3";
+        power_pmu_regulator = "rk818_ldo8";power_pmu_enable_level = <1>; //1->HIGH, 0->LOW//vref_ctrl_enable;//vref_ctrl_gpio = <&gpio0 GPIO_A2 GPIO_ACTIVE_HIGH>;
-        vref_pmu_regulator = "act_ldo3";
+        vref_pmu_regulator = "rk818_ldo8";vref_pmu_enable_level = <1>; //1->HIGH, 0->LOWWIFI,poweren_gpio = <&gpio4 GPIO_D4 GPIO_ACTIVE_HIGH>;
@@ -742,8 +742,8 @@rk818_ldo8_reg: regulator@11 {regulator-name= "rk818_ldo8";
-           regulator-min-microvolt = <3300000>;
-           regulator-max-microvolt = <3300000>;
+          regulator-min-microvolt = <1800000>;
+          regulator-max-microvolt = <1800000>;regulator-initial-state = <3>;regulator-state-mem {regulator-state-enabled;
diff --git a/drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dhd_config.c b/drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dhd_config.c
index 5f7e44c..2735b80 100755
--- a/drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dhd_config.c
+++ b/drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dhd_config.c
@@ -5,7 +5,7 @@#include <bcmutils.h>#include <hndsoc.h>#include <bcmsdbus.h>
-#if defined(HW_OOB) || defined(FORCE_WOWLAN)
+#if defined(HW_OOB) || defined(FORCE_WOWLAN)#include <bcmdefs.h>#include <bcmsdh.h>#include <sdio.h>
@@ -15,26 +15,25 @@#include <dhd_config.h>#include <dhd_dbg.h>-/* message levels */
+/* message levels */#define CONFIG_ERROR_LEVEL    0x0001#define CONFIG_TRACE_LEVEL    0x0002
-#define USER_CONFIG_PATH    "/data/misc/roam/config.properties"
-
+uint config_msg_level = CONFIG_ERROR_LEVEL;
-
+#define CONFIG_ERROR(x) \
-   do { \
+  do { \if (config_msg_level & CONFIG_ERROR_LEVEL) { \printk(KERN_ERR "CONFIG-ERROR) ");    \
-           printk x; \
-       } \
-   } while (0)
+          printk x; \
+      } \
+  } while (0)#define CONFIG_TRACE(x) \
-   do { \
+  do { \if (config_msg_level & CONFIG_TRACE_LEVEL) { \printk(KERN_ERR "CONFIG-TRACE) ");    \
-           printk x; \
-       } \
+          printk x; \
+      } \} while (0)#define MAXSZ_BUF     1000
@@ -173,11 +172,11 @@ const static char *bcm4356a2_pcie_ag_fw_name[] = {};#endif-#define htod32(i) i
-#define htod16(i) i
-#define dtoh32(i) i
-#define dtoh16(i) i
-#define htodchanspec(i) i
+#define htod32(i) i
+#define htod16(i) i
+#define dtoh32(i) i
+#define dtoh16(i) i
+#define htodchanspec(i) i#define dtohchanspec(i) i#ifdef BCMSDIO
@@ -534,8 +533,10 @@ dhd_conf_set_fw_name_by_chip(dhd_pub_t *dhd, char *fw_path, char *nv_path)}break;case BCM4356_CHIP_ID:
-           if (chiprev == BCM4356A2_CHIP_REV)
-               strcpy(&fw_path[i+1], bcm4356a2_ag_fw_name[fw_type]);
+          if (chiprev == BCM4356A2_CHIP_REV) {
+              strcpy(&fw_path[i+1], bcm4356a2_ag_fw_name[fw_type]);
+              strcpy(&nv_path[j+1], "nvram_ap6356s.txt");
+          }break;case BCM4371_CHIP_ID:if (chiprev == BCM4356A2_CHIP_REV)
@@ -866,10 +867,10 @@ dhd_conf_fix_country(dhd_pub_t *dhd)if (!(dhd && dhd->conf)) {return bcmerror;}
-
+memset(valid_chan_list, 0, sizeof(valid_chan_list));
-   list = (wl_uint32_list_t *)(void *) valid_chan_list;
-   list->count = htod32(WL_NUMCHANNELS);
+  list = (wl_uint32_list_t *)(void *) valid_chan_list;
+  list->count = htod32(WL_NUMCHANNELS);if ((bcmerror = dhd_wl_ioctl_cmd(dhd, WLC_GET_VALID_CHANNELS, valid_chan_list, sizeof(valid_chan_list), FALSE, 0)) < 0) {CONFIG_ERROR(("%s: get channels failed with %d\n", __FUNCTION__, bcmerror));}
@@ -1283,8 +1284,8 @@ dhd_conf_read_log_level(dhd_pub_t *dhd, char *bufp, uint len)if (pick)MFREE(dhd->osh, pick, MAXSZ_BUF);
-}
-
+}
+voiddhd_conf_read_wme_ac_params(dhd_pub_t *dhd, char *bufp, uint len){
@@ -1719,7 +1720,6 @@ dhd_conf_read_config(dhd_pub_t *dhd, char *conf_path)bool conf_file_exists;struct dhd_conf *conf = dhd->conf;-    conf_path = USER_CONFIG_PATH;conf_file_exists = ((conf_path != NULL) && (conf_path[0] != '\0'));if (!conf_file_exists) {printf("%s: config path %s\n", __FUNCTION__, conf_path);
@@ -1759,7 +1759,7 @@ dhd_conf_read_config(dhd_pub_t *dhd, char *conf_path)/* Process log_level */dhd_conf_read_log_level(dhd, bufp, len);dhd_conf_read_roam_params(dhd, bufp, len);
-       dhd_conf_read_wme_ac_params(dhd, bufp, len);
+      dhd_conf_read_wme_ac_params(dhd, bufp, len);dhd_conf_read_fw_by_mac(dhd, bufp, len);dhd_conf_read_nv_by_mac(dhd, bufp, len);dhd_conf_read_nv_by_chip(dhd, bufp, len);
@@ -1948,7 +1948,7 @@ dhd_conf_read_config(dhd_pub_t *dhd, char *conf_path)len_val = process_config_vars(bufp, len, pick, "bus:txglom=");if (len_val) {conf->bus_txglom = (int)simple_strtol(pick, NULL, 10);
-           printf("%s: bus:txglom = %d\n", __FUNCTION__, conf->bus_txglom);
+          printf("%s: bus:txglom = %d\n", __FUNCTION__, conf->bus_txglom);}/* Process ampdu_ba_wsize parameters */
@@ -2010,7 +2010,7 @@ dhd_conf_read_config(dhd_pub_t *dhd, char *conf_path)printf("%s: use_rxchain = %d\n", __FUNCTION__, conf->use_rxchain);}-#if defined(BCMSDIOH_TXGLOM)
+#if defined(BCMSDIOH_TXGLOM)/* Process txglomsize parameters */memset(pick, 0, MAXSZ_BUF);len_val = process_config_vars(bufp, len, pick, "txglomsize=");
@@ -2022,42 +2022,42 @@ dhd_conf_read_config(dhd_pub_t *dhd, char *conf_path)}/* Process swtxglom parameters */
-       memset(pick, 0, MAXSZ_BUF);
+      memset(pick, 0, MAXSZ_BUF);len_val = process_config_vars(bufp, len, pick, "swtxglom=");
-       if (len_val) {
-           if (!strncmp(pick, "0", len_val))
+      if (len_val) {
+          if (!strncmp(pick, "0", len_val))conf->swtxglom = FALSE;
-           else
+          elseconf->swtxglom = TRUE;printf("%s: swtxglom = %d\n", __FUNCTION__, conf->swtxglom);}-      /* Process txglom_ext parameters */
-       memset(pick, 0, MAXSZ_BUF);
-       len_val = process_config_vars(bufp, len, pick, "txglom_ext=");
-       if (len_val) {
-           if (!strncmp(pick, "0", len_val))
-               conf->txglom_ext = FALSE;
-           else
-               conf->txglom_ext = TRUE;
-           printf("%s: txglom_ext = %d\n", __FUNCTION__, conf->txglom_ext);
-           if (conf->txglom_ext) {
-               if ((conf->chip == BCM43362_CHIP_ID) || (conf->chip == BCM4330_CHIP_ID))
-                   conf->txglom_bucket_size = 1680;
-               else if (conf->chip == BCM43340_CHIP_ID || conf->chip == BCM43341_CHIP_ID ||
+      /* Process txglom_ext parameters */
+      memset(pick, 0, MAXSZ_BUF);
+      len_val = process_config_vars(bufp, len, pick, "txglom_ext=");
+      if (len_val) {
+          if (!strncmp(pick, "0", len_val))
+              conf->txglom_ext = FALSE;
+          else
+              conf->txglom_ext = TRUE;
+          printf("%s: txglom_ext = %d\n", __FUNCTION__, conf->txglom_ext);
+          if (conf->txglom_ext) {
+              if ((conf->chip == BCM43362_CHIP_ID) || (conf->chip == BCM4330_CHIP_ID))
+                  conf->txglom_bucket_size = 1680;
+              else if (conf->chip == BCM43340_CHIP_ID || conf->chip == BCM43341_CHIP_ID ||conf->chip == BCM4334_CHIP_ID || conf->chip == BCM4324_CHIP_ID)
-                   conf->txglom_bucket_size = 1684;
-           }
-           printf("%s: txglom_bucket_size = %d\n", __FUNCTION__, conf->txglom_bucket_size);
-       }
+                  conf->txglom_bucket_size = 1684;
+          }
+          printf("%s: txglom_bucket_size = %d\n", __FUNCTION__, conf->txglom_bucket_size);
+      }#endif/* Process disable_proptx parameters */memset(pick, 0, MAXSZ_BUF);len_val = process_config_vars(bufp, len, pick, "disable_proptx=");if (len_val) {
-           conf->disable_proptx = (int)simple_strtol(pick, NULL, 10);
-           printf("%s: disable_proptx = %d\n", __FUNCTION__, conf->disable_proptx);
+          conf->disable_proptx = (int)simple_strtol(pick, NULL, 10);
+          printf("%s: disable_proptx = %d\n", __FUNCTION__, conf->disable_proptx);}/* Process dpc_cpucore parameters */
@@ -2131,44 +2131,44 @@ dhd_conf_read_config(dhd_pub_t *dhd, char *conf_path)if (len_val) {conf->pktprio8021x = (int)simple_strtol(pick, NULL, 10);printf("%s: pktprio8021x = %d\n", __FUNCTION__, conf->pktprio8021x);
-       }
-
-       /* Process txctl_tmo_fix parameters */
-       memset(pick, 0, MAXSZ_BUF);
-       len_val = process_config_vars(bufp, len, pick, "txctl_tmo_fix=");
-       if (len_val) {
-           if (!strncmp(pick, "0", len_val))
-               conf->txctl_tmo_fix = FALSE;
-           else
-               conf->txctl_tmo_fix = TRUE;
-           printf("%s: txctl_tmo_fix = %d\n", __FUNCTION__, conf->txctl_tmo_fix);
-       }
-
-       /* Process tx_in_rx parameters */
-       memset(pick, 0, MAXSZ_BUF);
-       len_val = process_config_vars(bufp, len, pick, "tx_in_rx=");
-       if (len_val) {
-           if (!strncmp(pick, "0", len_val))
-               conf->tx_in_rx = FALSE;
-           else
-               conf->tx_in_rx = TRUE;
-           printf("%s: tx_in_rx = %d\n", __FUNCTION__, conf->tx_in_rx);
-       }
-
-       /* Process dhd_txbound parameters */
-       memset(pick, 0, MAXSZ_BUF);
-       len_val = process_config_vars(bufp, len, pick, "dhd_txbound=");
-       if (len_val) {
-           dhd_txbound = (uint)simple_strtol(pick, NULL, 10);
-           printf("%s: dhd_txbound = %d\n", __FUNCTION__, dhd_txbound);
-       }
-
-       /* Process dhd_rxbound parameters */
-       memset(pick, 0, MAXSZ_BUF);
-       len_val = process_config_vars(bufp, len, pick, "dhd_rxbound=");
-       if (len_val) {
-           dhd_rxbound = (uint)simple_strtol(pick, NULL, 10);
-           printf("%s: dhd_rxbound = %d\n", __FUNCTION__, dhd_rxbound);
+      }
+
+      /* Process txctl_tmo_fix parameters */
+      memset(pick, 0, MAXSZ_BUF);
+      len_val = process_config_vars(bufp, len, pick, "txctl_tmo_fix=");
+      if (len_val) {
+          if (!strncmp(pick, "0", len_val))
+              conf->txctl_tmo_fix = FALSE;
+          else
+              conf->txctl_tmo_fix = TRUE;
+          printf("%s: txctl_tmo_fix = %d\n", __FUNCTION__, conf->txctl_tmo_fix);
+      }
+
+      /* Process tx_in_rx parameters */
+      memset(pick, 0, MAXSZ_BUF);
+      len_val = process_config_vars(bufp, len, pick, "tx_in_rx=");
+      if (len_val) {
+          if (!strncmp(pick, "0", len_val))
+              conf->tx_in_rx = FALSE;
+          else
+              conf->tx_in_rx = TRUE;
+          printf("%s: tx_in_rx = %d\n", __FUNCTION__, conf->tx_in_rx);
+      }
+
+      /* Process dhd_txbound parameters */
+      memset(pick, 0, MAXSZ_BUF);
+      len_val = process_config_vars(bufp, len, pick, "dhd_txbound=");
+      if (len_val) {
+          dhd_txbound = (uint)simple_strtol(pick, NULL, 10);
+          printf("%s: dhd_txbound = %d\n", __FUNCTION__, dhd_txbound);
+      }
+
+      /* Process dhd_rxbound parameters */
+      memset(pick, 0, MAXSZ_BUF);
+      len_val = process_config_vars(bufp, len, pick, "dhd_rxbound=");
+      if (len_val) {
+          dhd_rxbound = (uint)simple_strtol(pick, NULL, 10);
+          printf("%s: dhd_rxbound = %d\n", __FUNCTION__, dhd_rxbound);}/* Process tx_max_offset parameters */
@@ -2186,14 +2186,14 @@ dhd_conf_read_config(dhd_pub_t *dhd, char *conf_path)conf->rsdb_mode = (int)simple_strtol(pick, NULL, 10);printf("%s: rsdb_mode = %d\n", __FUNCTION__, conf->rsdb_mode);}
-
+/* Process txglom_mode parameters */
-       memset(pick, 0, MAXSZ_BUF);
+      memset(pick, 0, MAXSZ_BUF);len_val = process_config_vars(bufp, len, pick, "txglom_mode=");
-       if (len_val) {
-           if (!strncmp(pick, "0", len_val))
+      if (len_val) {
+          if (!strncmp(pick, "0", len_val))conf->txglom_mode = FALSE;
-           else
+          elseconf->txglom_mode = TRUE;printf("%s: txglom_mode = %d\n", __FUNCTION__, conf->txglom_mode);}
@@ -2332,9 +2332,9 @@ dhd_conf_preinit(dhd_pub_t *dhd)conf->roam_delta[0] = 15;#endifconf->roam_delta[1] = WLC_BAND_ALL;
-#ifdef FULL_ROAMING_SCAN_PERIOD_60_SEC
+#ifdef FULL_ROAMING_SCAN_PERIOD_60_SECconf->fullroamperiod = 60;
-#else /* FULL_ROAMING_SCAN_PERIOD_60_SEC */
+#else /* FULL_ROAMING_SCAN_PERIOD_60_SEC */conf->fullroamperiod = 120;#endif /* FULL_ROAMING_SCAN_PERIOD_60_SEC */#ifdef CUSTOM_KEEP_ALIVE_SETTING
@@ -2374,7 +2374,7 @@ dhd_conf_preinit(dhd_pub_t *dhd)conf->tcpack_sup_mode = TCPACK_SUP_OFF;#endifconf->dhd_poll = -1;
-   conf->pktprio8021x = -1;
+  conf->pktprio8021x = -1;conf->txctl_tmo_fix = FALSE;conf->tx_in_rx = TRUE;conf->rsdb_mode = -2;
@@ -2386,7 +2386,7 @@ dhd_conf_preinit(dhd_pub_t *dhd)if (conf->chip == BCM43430_CHIP_ID) {conf->bus_rxglom = FALSE;conf->use_rxchain = 0;
-   }
+  }if (conf->chip == BCM4339_CHIP_ID) {conf->txbf = 1;}

2. 更新firmware和nvram文件

kris@eco:~/rk3288/external/wlan_loader$ g st
On branch tek_dev
Your branch is up-to-date with 'origin/tek_dev'.Untracked files:(use "git add <file>..." to include in what will be committed)firmware/fw_bcm4356a2_ag.binfirmware/fw_bcm4356a2_ag_apsta.binfirmware/fw_bcm4356a2_ag_p2p.binfirmware/nvram_ap6356.txtfirmware/nvram_ap6356s.txt

---

注意：
由于AP6356S包含BT功能，因此也要更新，这里就不给出了。

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