ath6kl: Add beginning of AR6004 initialisation support

Support isn't complete yet.

Signed-off-by: Kevin Fang <kevin.fang@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath6kl/bmi.h b/drivers/net/wireless/ath/ath6kl/bmi.h
index 83546d7..96851d5 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/bmi.h
+++ b/drivers/net/wireless/ath/ath6kl/bmi.h
@@ -139,8 +139,8 @@
  */
 
 #define TARGET_VERSION_SENTINAL 0xffffffff
-#define TARGET_TYPE_AR6003     3
-
+#define TARGET_TYPE_AR6003      3
+#define TARGET_TYPE_AR6004      5
 #define BMI_ROMPATCH_INSTALL               9
 /*
  * Semantics: Install a ROM Patch.

diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index 7417022..214d114 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -74,6 +74,13 @@
 #define AR6003_REV3_DEFAULT_BOARD_DATA_FILE    \
        "ath6k/AR6003/hw2.1.1/bdata.SD31.bin"
 
+/* AR6004 1.0 definitions */
+#define AR6004_REV1_VERSION                 0x30000623
+#define AR6004_REV1_FIRMWARE_FILE           "ath6k/AR6004/hw6.1/fw.ram.bin"
+#define AR6004_REV1_BOARD_DATA_FILE         "ath6k/AR6004/hw6.1/bdata.bin"
+#define AR6004_REV1_DEFAULT_BOARD_DATA_FILE "ath6k/AR6004/hw6.1/bdata.DB132.bin"
+#define AR6004_REV1_EPPING_FIRMWARE_FILE "ath6k/AR6004/hw6.1/endpointping.bin"
+
 /* Per STA data, used in AP mode */
 #define STA_PS_AWAKE           BIT(0)
 #define        STA_PS_SLEEP            BIT(1)

diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index 9d10322..df15bfa 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
@@ -114,7 +114,9 @@ static inline u32 ath6kl_get_hi_item_addr(struct ath6kl *ar,
        u32 addr = 0;
 
        if (ar->target_type == TARGET_TYPE_AR6003)
-               addr = ATH6KL_HI_START_ADDR + item_offset;
+               addr = ATH6KL_AR6003_HI_START_ADDR + item_offset;
+       else if (ar->target_type == TARGET_TYPE_AR6004)
+               addr = ATH6KL_AR6004_HI_START_ADDR + item_offset;
 
        return addr;
 }
@@ -127,12 +129,12 @@ static int ath6kl_set_host_app_area(struct ath6kl *ar)
        /* Fetch the address of the host_app_area_s
         * instance in the host interest area */
        address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_app_host_interest));
-       address = TARG_VTOP(address);
+       address = TARG_VTOP(ar->target_type, address);
 
        if (ath6kl_read_reg_diag(ar, &address, &data))
                return -EIO;
 
-       address = TARG_VTOP(data);
+       address = TARG_VTOP(ar->target_type, data);
        host_app_area.wmi_protocol_ver = WMI_PROTOCOL_VERSION;
        if (ath6kl_access_datadiag(ar, address,
                                (u8 *)&host_app_area,
@@ -370,7 +372,7 @@ static void ath6kl_dump_target_assert_info(struct ath6kl *ar)
 
        /* the reg dump pointer is copied to the host interest area */
        address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_failure_state));
-       address = TARG_VTOP(address);
+       address = TARG_VTOP(ar->target_type, address);
 
        /* read RAM location through diagnostic window */
        status = ath6kl_read_reg_diag(ar, &address, &regdump_loc);
@@ -382,8 +384,7 @@ static void ath6kl_dump_target_assert_info(struct ath6kl *ar)
 
        ath6kl_dbg(ATH6KL_DBG_TRC, "location of register dump data: 0x%X\n",
                regdump_loc);
-
-       regdump_loc = TARG_VTOP(regdump_loc);
+       regdump_loc = TARG_VTOP(ar->target_type, regdump_loc);
 
        /* fetch register dump data */
        status = ath6kl_access_datadiag(ar,
@@ -518,10 +519,14 @@ int ath6kl_configure_target(struct ath6kl *ar)
         * but possible in theory.
         */
 
-       if (ar->target_type == TARGET_TYPE_AR6003) {
+       if (ar->target_type == TARGET_TYPE_AR6003 ||
+           ar->target_type == TARGET_TYPE_AR6004) {
                if (ar->version.target_ver == AR6003_REV2_VERSION) {
                        param = AR6003_REV2_BOARD_EXT_DATA_ADDRESS;
                        ram_reserved_size =  AR6003_REV2_RAM_RESERVE_SIZE;
+               } else if (ar->version.target_ver == AR6004_REV1_VERSION) {
+                       param = AR6004_REV1_BOARD_EXT_DATA_ADDRESS;
+                       ram_reserved_size =  AR6004_REV1_RAM_RESERVE_SIZE;
                } else {
                        param = AR6003_REV3_BOARD_EXT_DATA_ADDRESS;
                        ram_reserved_size =  AR6003_REV3_RAM_RESERVE_SIZE;
@@ -614,7 +619,8 @@ int ath6kl_unavail_ev(struct ath6kl *ar)
 static u32 ath6kl_get_load_address(u32 target_ver, enum addr_type type)
 {
        WARN_ON(target_ver != AR6003_REV2_VERSION &&
-               target_ver != AR6003_REV3_VERSION);
+               target_ver != AR6003_REV3_VERSION &&
+               target_ver != AR6004_REV1_VERSION);
 
        switch (type) {
        case DATASET_PATCH_ADDR:
@@ -664,6 +670,9 @@ static int ath6kl_fetch_board_file(struct ath6kl *ar)
        case AR6003_REV2_VERSION:
                filename = AR6003_REV2_BOARD_DATA_FILE;
                break;
+       case AR6004_REV1_VERSION:
+               filename = AR6004_REV1_BOARD_DATA_FILE;
+               break;
        default:
                filename = AR6003_REV3_BOARD_DATA_FILE;
                break;
@@ -684,6 +693,9 @@ static int ath6kl_fetch_board_file(struct ath6kl *ar)
        case AR6003_REV2_VERSION:
                filename = AR6003_REV2_DEFAULT_BOARD_DATA_FILE;
                break;
+       case AR6004_REV1_VERSION:
+               filename = AR6004_REV1_DEFAULT_BOARD_DATA_FILE;
+               break;
        default:
                filename = AR6003_REV3_DEFAULT_BOARD_DATA_FILE;
                break;
@@ -707,6 +719,7 @@ static int ath6kl_fetch_board_file(struct ath6kl *ar)
 static int ath6kl_upload_board_file(struct ath6kl *ar)
 {
        u32 board_address, board_ext_address, param;
+       u32 board_data_size, board_ext_data_size;
        int ret;
 
        if (ar->fw_board == NULL) {
@@ -715,11 +728,24 @@ static int ath6kl_upload_board_file(struct ath6kl *ar)
                        return ret;
        }
 
-       /* Determine where in Target RAM to write Board Data */
-       ath6kl_bmi_read(ar,
-                       ath6kl_get_hi_item_addr(ar,
-                       HI_ITEM(hi_board_data)),
-                       (u8 *) &board_address, 4);
+       /*
+        * Determine where in Target RAM to write Board Data.
+        * For AR6004, host determine Target RAM address for
+        * writing board data.
+        */
+       if (ar->target_type == TARGET_TYPE_AR6004) {
+               board_address = AR6004_REV1_BOARD_DATA_ADDRESS;
+               ath6kl_bmi_write(ar,
+                               ath6kl_get_hi_item_addr(ar,
+                               HI_ITEM(hi_board_data)),
+                               (u8 *) &board_address, 4);
+       } else {
+               ath6kl_bmi_read(ar,
+                               ath6kl_get_hi_item_addr(ar,
+                               HI_ITEM(hi_board_data)),
+                               (u8 *) &board_address, 4);
+       }
+
        ath6kl_dbg(ATH6KL_DBG_TRC, "board data download addr: 0x%x\n",
                   board_address);
 
@@ -737,13 +763,28 @@ static int ath6kl_upload_board_file(struct ath6kl *ar)
                return -EINVAL;
        }
 
-       if (ar->fw_board_len == (AR6003_BOARD_DATA_SZ +
-                                AR6003_BOARD_EXT_DATA_SZ)) {
+       switch (ar->target_type) {
+       case TARGET_TYPE_AR6003:
+               board_data_size = AR6003_BOARD_DATA_SZ;
+               board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ;
+               break;
+       case TARGET_TYPE_AR6004:
+               board_data_size = AR6004_BOARD_DATA_SZ;
+               board_ext_data_size = AR6004_BOARD_EXT_DATA_SZ;
+               break;
+       default:
+               WARN_ON(1);
+               return -EINVAL;
+               break;
+       }
+
+       if (ar->fw_board_len == (board_data_size +
+                                board_ext_data_size)) {
+
                /* write extended board data */
                ret = ath6kl_bmi_write(ar, board_ext_address,
-                                      ar->fw_board + AR6003_BOARD_DATA_SZ,
-                                      AR6003_BOARD_EXT_DATA_SZ);
-
+                                      ar->fw_board + board_data_size,
+                                      board_ext_data_size);
                if (ret) {
                        ath6kl_err("Failed to write extended board data: %d\n",
                                   ret);
@@ -751,21 +792,22 @@ static int ath6kl_upload_board_file(struct ath6kl *ar)
                }
 
                /* record that extended board data is initialized */
-               param = (AR6003_BOARD_EXT_DATA_SZ << 16) | 1;
+               param = (board_ext_data_size << 16) | 1;
+
                ath6kl_bmi_write(ar,
                                 ath6kl_get_hi_item_addr(ar,
                                 HI_ITEM(hi_board_ext_data_config)),
                                 (unsigned char *) &param, 4);
        }
 
-       if (ar->fw_board_len < AR6003_BOARD_DATA_SZ) {
+       if (ar->fw_board_len < board_data_size) {
                ath6kl_err("Too small board file: %zu\n", ar->fw_board_len);
                ret = -EINVAL;
                return ret;
        }
 
        ret = ath6kl_bmi_write(ar, board_address, ar->fw_board,
-                              AR6003_BOARD_DATA_SZ);
+                              board_data_size);
 
        if (ret) {
                ath6kl_err("Board file bmi write failed: %d\n", ret);
@@ -792,6 +834,10 @@ static int ath6kl_upload_otp(struct ath6kl *ar)
        case AR6003_REV2_VERSION:
                filename = AR6003_REV2_OTP_FILE;
                break;
+       case AR6004_REV1_VERSION:
+               ath6kl_dbg(ATH6KL_DBG_TRC, "AR6004 doesn't need OTP file\n");
+               return 0;
+               break;
        default:
                filename = AR6003_REV3_OTP_FILE;
                break;
@@ -836,6 +882,9 @@ static int ath6kl_upload_firmware(struct ath6kl *ar)
        case AR6003_REV2_VERSION:
                filename = AR6003_REV2_FIRMWARE_FILE;
                break;
+       case AR6004_REV1_VERSION:
+               filename = AR6004_REV1_FIRMWARE_FILE;
+               break;
        default:
                filename = AR6003_REV3_FIRMWARE_FILE;
                break;
@@ -860,11 +909,15 @@ static int ath6kl_upload_firmware(struct ath6kl *ar)
                return ret;
        }
 
-       /* Set starting address for firmware */
-       address = ath6kl_get_load_address(ar->version.target_ver,
-                                         APP_START_OVERRIDE_ADDR);
-       ath6kl_bmi_set_app_start(ar, address);
-
+       /*
+        * Set starting address for firmware
+        * Don't need to setup app_start override addr on AR6004
+        */
+       if (ar->target_type != TARGET_TYPE_AR6004) {
+               address = ath6kl_get_load_address(ar->version.target_ver,
+                                                 APP_START_OVERRIDE_ADDR);
+               ath6kl_bmi_set_app_start(ar, address);
+       }
        return ret;
 }
 
@@ -878,6 +931,10 @@ static int ath6kl_upload_patch(struct ath6kl *ar)
        case AR6003_REV2_VERSION:
                filename = AR6003_REV2_PATCH_FILE;
                break;
+       case AR6004_REV1_VERSION:
+               /* FIXME: implement for AR6004 */
+               return 0;
+               break;
        default:
                filename = AR6003_REV3_PATCH_FILE;
                break;
@@ -916,7 +973,8 @@ static int ath6kl_init_upload(struct ath6kl *ar)
        u32 param, options, sleep, address;
        int status = 0;
 
-       if (ar->target_type != TARGET_TYPE_AR6003)
+       if (ar->target_type != TARGET_TYPE_AR6003 &&
+               ar->target_type != TARGET_TYPE_AR6004)
                return -EINVAL;
 
        /* temporarily disable system sleep */
@@ -948,18 +1006,22 @@ static int ath6kl_init_upload(struct ath6kl *ar)
                   options, sleep);
 
        /* program analog PLL register */
-       status = ath6kl_bmi_reg_write(ar, ATH6KL_ANALOG_PLL_REGISTER,
-                                     0xF9104001);
-       if (status)
-               return status;
+       /* no need to control 40/44MHz clock on AR6004 */
+       if (ar->target_type != TARGET_TYPE_AR6004) {
+               status = ath6kl_bmi_reg_write(ar, ATH6KL_ANALOG_PLL_REGISTER,
+                                             0xF9104001);
 
-       /* Run at 80/88MHz by default */
-       param = SM(CPU_CLOCK_STANDARD, 1);
+               if (status)
+                       return status;
 
-       address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS;
-       status = ath6kl_bmi_reg_write(ar, address, param);
-       if (status)
-               return status;
+               /* Run at 80/88MHz by default */
+               param = SM(CPU_CLOCK_STANDARD, 1);
+
+               address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS;
+               status = ath6kl_bmi_reg_write(ar, address, param);
+               if (status)
+                       return status;
+       }
 
        param = 0;
        address = RTC_BASE_ADDRESS + LPO_CAL_ADDRESS;

diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c
index c336eae..f236aa8 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/main.c
+++ b/drivers/net/wireless/ath/ath6kl/main.c
@@ -298,6 +298,10 @@ int ath6kl_access_datadiag(struct ath6kl *ar, u32 address,
        return status;
 }
 
+/* FIXME: move to a better place, target.h? */
+#define AR6003_RESET_CONTROL_ADDRESS 0x00004000
+#define AR6004_RESET_CONTROL_ADDRESS 0x00004000
+
 static void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
                                bool wait_fot_compltn, bool cold_reset)
 {
@@ -305,12 +309,24 @@ static void ath6kl_reset_device(struct ath6kl *ar, u32 target_type,
        u32 address;
        u32 data;
 
-       if (target_type != TARGET_TYPE_AR6003)
+       if (target_type != TARGET_TYPE_AR6003 &&
+               target_type != TARGET_TYPE_AR6004)
                return;
 
        data = cold_reset ? RESET_CONTROL_COLD_RST : RESET_CONTROL_MBOX_RST;
 
-       address = RTC_BASE_ADDRESS;
+       switch (target_type) {
+       case TARGET_TYPE_AR6003:
+               address = AR6003_RESET_CONTROL_ADDRESS;
+               break;
+       case TARGET_TYPE_AR6004:
+               address = AR6004_RESET_CONTROL_ADDRESS;
+               break;
+       default:
+               address = AR6003_RESET_CONTROL_ADDRESS;
+               break;
+       }
+
        status = ath6kl_write_reg_diag(ar, &address, &data);
 
        if (status)

diff --git a/drivers/net/wireless/ath/ath6kl/target.h b/drivers/net/wireless/ath/ath6kl/target.h
index 519a013..53e2c78 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/target.h
+++ b/drivers/net/wireless/ath/ath6kl/target.h
@@ -20,6 +20,9 @@
 #define AR6003_BOARD_DATA_SZ           1024
 #define AR6003_BOARD_EXT_DATA_SZ       768
 
+#define AR6004_BOARD_DATA_SZ     7168
+#define AR6004_BOARD_EXT_DATA_SZ 0
+
 #define RESET_CONTROL_ADDRESS          0x00000000
 #define RESET_CONTROL_COLD_RST         0x00000100
 #define RESET_CONTROL_MBOX_RST         0x00000004
@@ -135,7 +138,8 @@
  * between the two, and is intended to remain constant (with additions only
  * at the end).
  */
-#define ATH6KL_HI_START_ADDR           0x00540600
+#define ATH6KL_AR6003_HI_START_ADDR           0x00540600
+#define ATH6KL_AR6004_HI_START_ADDR           0x00400800
 
 /*
  * These are items that the Host may need to access
@@ -314,7 +318,12 @@ struct host_interest {
 #define HI_OPTION_FW_MODE_SHIFT        0xC
 
 /* Convert a Target virtual address into a Target physical address */
-#define TARG_VTOP(vaddr)   (vaddr & 0x001fffff)
+#define AR6003_VTOP(vaddr) ((vaddr) & 0x001fffff)
+#define AR6004_VTOP(vaddr) (vaddr)
+
+#define TARG_VTOP(target_type, vaddr) \
+       (((target_type) == TARGET_TYPE_AR6003) ? AR6003_VTOP(vaddr) : \
+       (((target_type) == TARGET_TYPE_AR6004) ? AR6004_VTOP(vaddr) : 0))
 
 #define AR6003_REV2_APP_START_OVERRIDE          0x944C00
 #define AR6003_REV2_APP_LOAD_ADDRESS            0x543180
@@ -328,4 +337,7 @@ struct host_interest {
 #define AR6003_REV3_DATASET_PATCH_ADDRESS       0x57FF74
 #define AR6003_REV3_RAM_RESERVE_SIZE            512
 
+#define AR6004_REV1_BOARD_DATA_ADDRESS          0x435400
+#define AR6004_REV1_BOARD_EXT_DATA_ADDRESS      0x437000
+#define AR6004_REV1_RAM_RESERVE_SIZE            11264
 #endif