From c85f7f14efb28aa4326cb2b30ef2be3a0ded2c10 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kvalo@qca.qualcomm.com>
Date: Mon, 12 Sep 2011 12:48:09 +0300
Subject: [PATCH] ath6kl: read firmware start address from hardware
It's actually possible to read the firmware start address from hardware,
that way there's no need to hardcode the address in hardware.
Thanks to Chilam Ng for the idea.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath6kl/init.c | 17 +++++++++++++----
drivers/net/wireless/ath/ath6kl/target.h | 2 --
2 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index bf0385ec0e05e..5865466e884cf 100644
--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
@@ -1146,9 +1146,21 @@ static int ath6kl_upload_otp(struct ath6kl *ar)
return ret;
}
+ /* read firmware start address */
+ ret = ath6kl_bmi_read(ar,
+ ath6kl_get_hi_item_addr(ar,
+ HI_ITEM(hi_app_start)),
+ (u8 *) &address, sizeof(address));
+
+ if (ret) {
+ ath6kl_err("Failed to read hi_app_start: %d\n", ret);
+ return ret;
+ }
+
+ ar->hw.app_start_override_addr = address;
+
/* execute the OTP code */
param = 0;
- address = ar->hw.app_start_override_addr;
ath6kl_bmi_execute(ar, address, ¶m);
return ret;
@@ -1343,21 +1355,18 @@ static int ath6kl_init_hw_params(struct ath6kl *ar)
case AR6003_REV2_VERSION:
ar->hw.dataset_patch_addr = AR6003_REV2_DATASET_PATCH_ADDRESS;
ar->hw.app_load_addr = AR6003_REV2_APP_LOAD_ADDRESS;
- ar->hw.app_start_override_addr = AR6003_REV2_APP_START_OVERRIDE;
ar->hw.board_ext_data_addr = AR6003_REV2_BOARD_EXT_DATA_ADDRESS;
ar->hw.reserved_ram_size = AR6003_REV2_RAM_RESERVE_SIZE;
break;
case AR6003_REV3_VERSION:
ar->hw.dataset_patch_addr = AR6003_REV3_DATASET_PATCH_ADDRESS;
ar->hw.app_load_addr = 0x1234;
- ar->hw.app_start_override_addr = AR6003_REV3_APP_START_OVERRIDE;
ar->hw.board_ext_data_addr = AR6003_REV3_BOARD_EXT_DATA_ADDRESS;
ar->hw.reserved_ram_size = AR6003_REV3_RAM_RESERVE_SIZE;
break;
case AR6004_REV1_VERSION:
ar->hw.dataset_patch_addr = AR6003_REV2_DATASET_PATCH_ADDRESS;
ar->hw.app_load_addr = AR6003_REV3_APP_LOAD_ADDRESS;
- ar->hw.app_start_override_addr = AR6003_REV3_APP_START_OVERRIDE;
ar->hw.board_ext_data_addr = AR6004_REV1_BOARD_EXT_DATA_ADDRESS;
ar->hw.reserved_ram_size = AR6004_REV1_RAM_RESERVE_SIZE;
break;
diff --git a/drivers/net/wireless/ath/ath6kl/target.h b/drivers/net/wireless/ath/ath6kl/target.h
index 7db06a5d91940..c9a76051f0424 100644
--- a/drivers/net/wireless/ath/ath6kl/target.h
+++ b/drivers/net/wireless/ath/ath6kl/target.h
@@ -331,13 +331,11 @@ struct host_interest {
(((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
#define AR6003_REV2_BOARD_EXT_DATA_ADDRESS 0x57E500
#define AR6003_REV2_DATASET_PATCH_ADDRESS 0x57e884
#define AR6003_REV2_RAM_RESERVE_SIZE 6912
-#define AR6003_REV3_APP_START_OVERRIDE 0x945d00
#define AR6003_REV3_APP_LOAD_ADDRESS 0x545000
#define AR6003_REV3_BOARD_EXT_DATA_ADDRESS 0x542330
#define AR6003_REV3_DATASET_PATCH_ADDRESS 0x57FF74
--
2.39.5