From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from emh07.mail.saunalahti.fi ([62.142.5.117]:48997 "EHLO emh07.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754884Ab1ILLM5 (ORCPT ); Mon, 12 Sep 2011 07:12:57 -0400 Received: from saunalahti-vams (vs3-12.mail.saunalahti.fi [62.142.5.96]) by emh07-2.mail.saunalahti.fi (Postfix) with SMTP id 258F218CFD0 for ; Mon, 12 Sep 2011 14:12:56 +0300 (EEST) Received: from localhost6.localdomain6 (a88-115-188-95.elisa-laajakaista.fi [88.115.188.95]) by emh04.mail.saunalahti.fi (Postfix) with ESMTP id 10E9241BE3 for ; Mon, 12 Sep 2011 14:12:54 +0300 (EEST) Subject: [PATCH 7/9] ath6kl: read firmware start address from hardware To: linux-wireless@vger.kernel.org From: Kalle Valo Date: Mon, 12 Sep 2011 14:12:54 +0300 Message-ID: <20110912111254.16921.7357.stgit@localhost6.localdomain6> (sfid-20110912_131259_453718_CE8F6995) In-Reply-To: <20110912111206.16921.90687.stgit@localhost6.localdomain6> References: <20110912111206.16921.90687.stgit@localhost6.localdomain6> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: It's actually possible to read the firmware start address from hardware, that way there's no need to hardcore the address in hardware. Thanks to Chilam Ng for the idea. Signed-off-by: Kalle Valo --- 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 bf0385e..5865466 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 7db06a5..c9a7605 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