From patchwork Sun Dec 14 15:34:49 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jan_L=C3=BCbbe?= X-Patchwork-Id: 420958 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 5904D1400E7 for ; Mon, 15 Dec 2014 16:17:24 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 24247A7465; Mon, 15 Dec 2014 06:17:22 +0100 (CET) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1p64hvokA3ky; Mon, 15 Dec 2014 06:17:21 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 4981BA7457; Mon, 15 Dec 2014 06:17:21 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 8DED54BC0C for ; Sun, 14 Dec 2014 16:55:02 +0100 (CET) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id x7wU9bzRU7JW for ; Sun, 14 Dec 2014 16:55:02 +0100 (CET) X-Greylist: delayed 1195 seconds by postgrey-1.32 at theia; Sun, 14 Dec 2014 16:54:58 CET X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [92.198.50.35]) by theia.denx.de (Postfix) with ESMTPS id 5E8904BC0A for ; Sun, 14 Dec 2014 16:54:58 +0100 (CET) Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1Y0BCJ-0005o5-BX; Sun, 14 Dec 2014 16:35:03 +0100 Received: from jlu by dude.hi.pengutronix.de with local (Exim 4.84) (envelope-from ) id 1Y0BCJ-0003VH-30; Sun, 14 Dec 2014 16:35:03 +0100 From: Jan Luebbe To: u-boot@lists.denx.de Date: Sun, 14 Dec 2014 16:34:49 +0100 Message-Id: <1418571289-13426-1-git-send-email-jlu@pengutronix.de> X-Mailer: git-send-email 2.1.3 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: jlu@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: u-boot@lists.denx.de X-Mailman-Approved-At: Mon, 15 Dec 2014 06:17:19 +0100 Cc: Marek Vasut , Sascha Hauer Subject: [U-Boot] [PATCH] arm: mxs: olinuxino: move DRAM config tuning to SPL X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.13 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de The weak mxs_adjust_memory_params function is called from spl_mem_init.c, so it must be linked into the SPL to have an effect. Move it from mx23_olinuxino.c to spl_boot.c. This change was verified by reading back the register values. Signed-off-by: Jan Luebbe Cc: Marek Vasut Cc: Stefano Babic --- I found this while bringing up barebox on the olinuxino with the power and memory setup code from u-boot. Thanks again to Marek for the hard work! board/olimex/mx23_olinuxino/mx23_olinuxino.c | 30 ---------------------------- board/olimex/mx23_olinuxino/spl_boot.c | 30 ++++++++++++++++++++++++++++ 2 files changed, 30 insertions(+), 30 deletions(-) diff --git a/board/olimex/mx23_olinuxino/mx23_olinuxino.c b/board/olimex/mx23_olinuxino/mx23_olinuxino.c index 313ab20..65cbbf1 100644 --- a/board/olimex/mx23_olinuxino/mx23_olinuxino.c +++ b/board/olimex/mx23_olinuxino/mx23_olinuxino.c @@ -78,33 +78,3 @@ int board_init(void) return 0; } - -/* Fine-tune the DRAM configuration. */ -void mxs_adjust_memory_params(uint32_t *dram_vals) -{ - /* Enable Auto Precharge. */ - dram_vals[3] |= 1 << 8; - /* Enable Fast Writes. */ - dram_vals[5] |= 1 << 8; - /* tEMRS = 3*tCK */ - dram_vals[10] &= ~(0x3 << 8); - dram_vals[10] |= (0x3 << 8); - /* CASLAT = 3*tCK */ - dram_vals[11] &= ~(0x3 << 0); - dram_vals[11] |= (0x3 << 0); - /* tCKE = 1*tCK */ - dram_vals[12] &= ~(0x7 << 0); - dram_vals[12] |= (0x1 << 0); - /* CASLAT_LIN_GATE = 3*tCK , CASLAT_LIN = 3*tCK, tWTR=2*tCK */ - dram_vals[13] &= ~((0xf << 16) | (0xf << 24) | (0xf << 0)); - dram_vals[13] |= (0x6 << 16) | (0x6 << 24) | (0x2 << 0); - /* tDAL = 6*tCK */ - dram_vals[15] &= ~(0xf << 16); - dram_vals[15] |= (0x6 << 16); - /* tREF = 1040*tCK */ - dram_vals[26] &= ~0xffff; - dram_vals[26] |= 0x0410; - /* tRAS_MAX = 9334*tCK */ - dram_vals[32] &= ~0xffff; - dram_vals[32] |= 0x2475; -} diff --git a/board/olimex/mx23_olinuxino/spl_boot.c b/board/olimex/mx23_olinuxino/spl_boot.c index 5272dfa..de3b0e4 100644 --- a/board/olimex/mx23_olinuxino/spl_boot.c +++ b/board/olimex/mx23_olinuxino/spl_boot.c @@ -89,3 +89,33 @@ void board_init_ll(const uint32_t arg, const uint32_t *resptr) { mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); } + +/* Fine-tune the DRAM configuration. */ +void mxs_adjust_memory_params(uint32_t *dram_vals) +{ + /* Enable Auto Precharge. */ + dram_vals[3] |= 1 << 8; + /* Enable Fast Writes. */ + dram_vals[5] |= 1 << 8; + /* tEMRS = 3*tCK */ + dram_vals[10] &= ~(0x3 << 8); + dram_vals[10] |= (0x3 << 8); + /* CASLAT = 3*tCK */ + dram_vals[11] &= ~(0x3 << 0); + dram_vals[11] |= (0x3 << 0); + /* tCKE = 1*tCK */ + dram_vals[12] &= ~(0x7 << 0); + dram_vals[12] |= (0x1 << 0); + /* CASLAT_LIN_GATE = 3*tCK , CASLAT_LIN = 3*tCK, tWTR=2*tCK */ + dram_vals[13] &= ~((0xf << 16) | (0xf << 24) | (0xf << 0)); + dram_vals[13] |= (0x6 << 16) | (0x6 << 24) | (0x2 << 0); + /* tDAL = 6*tCK */ + dram_vals[15] &= ~(0xf << 16); + dram_vals[15] |= (0x6 << 16); + /* tREF = 1040*tCK */ + dram_vals[26] &= ~0xffff; + dram_vals[26] |= 0x0410; + /* tRAS_MAX = 9334*tCK */ + dram_vals[32] &= ~0xffff; + dram_vals[32] |= 0x2475; +}