From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756564AbZEZPC1 (ORCPT ); Tue, 26 May 2009 11:02:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753231AbZEZPCV (ORCPT ); Tue, 26 May 2009 11:02:21 -0400 Received: from mba.ocn.ne.jp ([122.1.235.107]:65371 "EHLO smtp.mba.ocn.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752491AbZEZPCU (ORCPT ); Tue, 26 May 2009 11:02:20 -0400 From: Atsushi Nemoto To: linux-mips@linux-mips.org Cc: ralf@linux-mips.org, linux-kernel@vger.kernel.org Subject: [PATCH] TXx9: Add TX4939 RNG support Date: Wed, 27 May 2009 00:02:21 +0900 Message-Id: <1243350141-883-2-git-send-email-anemo@mba.ocn.ne.jp> X-Mailer: git-send-email 1.5.6.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add platform support for RNG of TX4939 SoC. Signed-off-by: Atsushi Nemoto --- arch/mips/include/asm/txx9/tx4939.h | 1 + arch/mips/txx9/generic/setup_tx4939.c | 18 ++++++++++++++++++ arch/mips/txx9/rbtx4939/setup.c | 1 + 3 files changed, 20 insertions(+), 0 deletions(-) diff --git a/arch/mips/include/asm/txx9/tx4939.h b/arch/mips/include/asm/txx9/tx4939.h index 050364d..3451499 100644 --- a/arch/mips/include/asm/txx9/tx4939.h +++ b/arch/mips/include/asm/txx9/tx4939.h @@ -547,5 +547,6 @@ void tx4939_ndfmc_init(unsigned int hold, unsigned int spw, void tx4939_dmac_init(int memcpy_chan0, int memcpy_chan1); void tx4939_aclc_init(void); void tx4939_sramc_init(void); +void tx4939_rng_init(void); #endif /* __ASM_TXX9_TX4939_H */ diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c index df13a89..4b7293c 100644 --- a/arch/mips/txx9/generic/setup_tx4939.c +++ b/arch/mips/txx9/generic/setup_tx4939.c @@ -500,6 +500,24 @@ void __init tx4939_sramc_init(void) txx9_sramc_init(&tx4939_sram_resource); } +#define TX4939_RNG_REG ((TX4939_CRYPTO_REG & 0xfffffffffULL) + 0xb0) +void __init tx4939_rng_init(void) +{ + static struct resource res = { + .start = TX4939_RNG_REG, + .end = TX4939_RNG_REG + 0x30 - 1, + .flags = IORESOURCE_MEM, + }; + static struct platform_device pdev = { + .name = "tx4939-rng", + .id = -1, + .num_resources = 1, + .resource = &res, + }; + + platform_device_register(&pdev); +} + static void __init tx4939_stop_unused_modules(void) { __u64 pcfg, rst = 0, ckd = 0; diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c index b919696..c033ffe 100644 --- a/arch/mips/txx9/rbtx4939/setup.c +++ b/arch/mips/txx9/rbtx4939/setup.c @@ -502,6 +502,7 @@ static void __init rbtx4939_device_init(void) tx4939_aclc_init(); platform_device_register_simple("txx9aclc-generic", -1, NULL, 0); tx4939_sramc_init(); + tx4939_rng_init(); } static void __init rbtx4939_setup(void) -- 1.5.6.5