From patchwork Tue Nov 19 13:29:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 13879909 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D323BD44157 for ; Tue, 19 Nov 2024 13:31:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+UKNcQIuo4FZ8hxEao64XciZrGRc+1MsKNkIDwCCJxM=; b=lZSbwKu8DK9dxR8o3nWuYpmsaF UDCFF2VoWScv4Mh3e0n/gZ8FW9hXMGmya2D0dURfWjFmQfIseB7HNoPrX11TKnnXkWVZGwaFO+wrF jjys6CZy85sKBRGPT0NptwjjWToDqg0yAxav9zy+Rv+7E10oYVjYD5Frcifa4nSH1AAGuTwzL28Wd Z7nItmXQ2+GutvFV0HhqiXTu1NlXCPHLhYNY5EWE23P5ci5ol+jiVVWersKQjj+aZ/SRJnNrBJ7km 2/ikxAW4yEKDh9139722xnWUM9G4bA1bsXk8bAmdcz6ZP5PD+5s/UuErXeef7Jetc3ifyVmEPCL8U b/dY3Juw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tDOJn-0000000CVod-1yub; Tue, 19 Nov 2024 13:30:59 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tDOIr-0000000CVcE-1GjC; Tue, 19 Nov 2024 13:30:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=+UKNcQIuo4FZ8hxEao64XciZrGRc+1MsKNkIDwCCJxM=; b=r3Bs4ypdJP+mBkMHoea9Fg4XJV dJxNSut5tgxSYfCPlY/Fporh7OKiz4iHxa2VkGYuP5ayzzOrJTffwWrs45zmX3vbHhJ8aEh1o/+uP 6r3itTHRmryFSWU4F8DxRxWJSpUGftfRW517zIEh4nCN+caSyhEF4DHqZjQSKiPQ9JITvEBZYrtdT 49XD/7YEhPZLawfvDlnIhYq+JuMO9QFz/4+GZJxaTtxLkoJvVrf7uKXaer8Tv052CqJAaaKZIRhnd p/n4Ft1Ul1YpjLTsFTSd0C0FYITt91w3gCQMJhegr2cqRZqB5wLgepJTczU7O8KU3of6IiktSjtBp G0YwrBvw==; Received: from i53875a30.versanet.de ([83.135.90.48] helo=localhost.localdomain) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1tDOIn-0006z1-Uu; Tue, 19 Nov 2024 14:29:58 +0100 From: Heiko Stuebner To: srinivas.kandagatla@linaro.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, detlev.casanova@collabora.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, sebastian.reichel@collabora.com Subject: [PATCH 2/5] nvmem: rockchip-otp: Move read-offset into variant-data Date: Tue, 19 Nov 2024 14:29:13 +0100 Message-ID: <20241119132916.1057797-3-heiko@sntech.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241119132916.1057797-1-heiko@sntech.de> References: <20241119132916.1057797-1-heiko@sntech.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241119_053001_377729_33EF9231 X-CRM114-Status: GOOD ( 16.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The RK3588 has an offset into the OTP area where the readable area begins and automatically adds this to the start address. Other variants are very much similar to rk3588, just with a different offset, so move that value into variant-data. To match the size in bytes, store this value also in bytes and not in number of blocks. Signed-off-by: Heiko Stuebner --- drivers/nvmem/rockchip-otp.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/nvmem/rockchip-otp.c b/drivers/nvmem/rockchip-otp.c index ebc3f0b24166..3edfbfc2d722 100644 --- a/drivers/nvmem/rockchip-otp.c +++ b/drivers/nvmem/rockchip-otp.c @@ -59,7 +59,6 @@ #define RK3588_OTPC_AUTO_EN 0x08 #define RK3588_OTPC_INT_ST 0x84 #define RK3588_OTPC_DOUT0 0x20 -#define RK3588_NO_SECURE_OFFSET 0x300 #define RK3588_NBYTES 4 #define RK3588_BURST_NUM 1 #define RK3588_BURST_SHIFT 8 @@ -69,6 +68,7 @@ struct rockchip_data { int size; + int read_offset; const char * const *clks; int num_clks; nvmem_reg_read_t reg_read; @@ -196,7 +196,7 @@ static int rk3588_otp_read(void *context, unsigned int offset, addr_start = round_down(offset, RK3588_NBYTES) / RK3588_NBYTES; addr_end = round_up(offset + bytes, RK3588_NBYTES) / RK3588_NBYTES; addr_len = addr_end - addr_start; - addr_start += RK3588_NO_SECURE_OFFSET; + addr_start += otp->data->read_offset / RK3588_NBYTES; buf = kzalloc(array_size(addr_len, RK3588_NBYTES), GFP_KERNEL); if (!buf) @@ -280,6 +280,7 @@ static const char * const rk3588_otp_clocks[] = { static const struct rockchip_data rk3588_data = { .size = 0x400, + .read_offset = 0xc00, .clks = rk3588_otp_clocks, .num_clks = ARRAY_SIZE(rk3588_otp_clocks), .reg_read = rk3588_otp_read,