From patchwork Tue May 10 09:03:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lokesh Vutla X-Patchwork-Id: 620527 X-Patchwork-Delegate: trini@ti.com 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 3r3thz5JbVz9s5M for ; Tue, 10 May 2016 19:08:51 +1000 (AEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 8B35FA7552; Tue, 10 May 2016 11:08:41 +0200 (CEST) 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 R3DLX-ed-oCW; Tue, 10 May 2016 11:08:41 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 93416A7521; Tue, 10 May 2016 11:08:32 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 2E47DA74A8 for ; Tue, 10 May 2016 11:08:27 +0200 (CEST) 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 XNYwr8Y0Tmv1 for ; Tue, 10 May 2016 11:08:27 +0200 (CEST) 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 arroyo.ext.ti.com (arroyo.ext.ti.com [192.94.94.40]) by theia.denx.de (Postfix) with ESMTPS id 6295B4BB1A for ; Tue, 10 May 2016 11:08:20 +0200 (CEST) Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id u4A98IU9017605; Tue, 10 May 2016 04:08:18 -0500 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u4A98IHI020143; Tue, 10 May 2016 04:08:18 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.224.2; Tue, 10 May 2016 04:08:17 -0500 Received: from a0131933.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id u4A987NZ005764; Tue, 10 May 2016 04:08:16 -0500 From: Lokesh Vutla To: , Date: Tue, 10 May 2016 14:33:50 +0530 Message-ID: <1462871035-28255-4-git-send-email-lokeshvutla@ti.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1462871035-28255-1-git-send-email-lokeshvutla@ti.com> References: <1462871035-28255-1-git-send-email-lokeshvutla@ti.com> MIME-Version: 1.0 Cc: Tero Kristo , Sekhar Nori Subject: [U-Boot] [PATCH 3/8] board: AM335x-ICEv2: Add DDR data X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.15 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" AM335x ICEv2 contains a 2Gbit(128Mx16) of DDR3 SDRAM(MT41J128M16JT-125), capable of running at 400MHz. Adding this specific DDR configuration details running at 400MHz. Signed-off-by: Lokesh Vutla Reviewed-by: Tom Rini --- arch/arm/include/asm/arch-am33xx/ddr_defs.h | 15 +++++++++++ board/ti/am335x/board.c | 41 ++++++++++++++++++++++++++++- 2 files changed, 55 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h index 97bbfe2..43e122e 100644 --- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h +++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h @@ -54,6 +54,21 @@ #define MT41J128MJT125_PHY_FIFO_WE 0x100 #define MT41J128MJT125_IOCTRL_VALUE 0x18B +/* Micron MT41J128M16JT-125 at 400MHz*/ +#define MT41J128MJT125_EMIF_READ_LATENCY_400MHz 0x100007 +#define MT41J128MJT125_EMIF_TIM1_400MHz 0x0AAAD4DB +#define MT41J128MJT125_EMIF_TIM2_400MHz 0x26437FDA +#define MT41J128MJT125_EMIF_TIM3_400MHz 0x501F83FF +#define MT41J128MJT125_EMIF_SDCFG_400MHz 0x61C052B2 +#define MT41J128MJT125_EMIF_SDREF_400MHz 0x00000C30 +#define MT41J128MJT125_ZQ_CFG_400MHz 0x50074BE4 +#define MT41J128MJT125_RATIO_400MHz 0x80 +#define MT41J128MJT125_INVERT_CLKOUT_400MHz 0x0 +#define MT41J128MJT125_RD_DQS_400MHz 0x3A +#define MT41J128MJT125_WR_DQS_400MHz 0x3B +#define MT41J128MJT125_PHY_WR_DATA_400MHz 0x76 +#define MT41J128MJT125_PHY_FIFO_WE_400MHz 0x96 + /* Micron MT41K128M16JT-187E */ #define MT41K128MJT187E_EMIF_READ_LATENCY 0x06 #define MT41K128MJT187E_EMIF_TIM1 0x0888B3DB diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index 579b4ef..51c4358 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -38,6 +38,7 @@ DECLARE_GLOBAL_DATA_PTR; /* GPIO that controls power to DDR on EVM-SK */ #define GPIO_DDR_VTT_EN 7 +#define ICE_GPIO_DDR_VTT_EN 18 #if defined(CONFIG_SPL_BUILD) || \ (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_DM_ETH)) @@ -97,6 +98,13 @@ static const struct ddr_data ddr3_evm_data = { .datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA, }; +static const struct ddr_data ddr3_icev2_data = { + .datardsratio0 = MT41J128MJT125_RD_DQS_400MHz, + .datawdsratio0 = MT41J128MJT125_WR_DQS_400MHz, + .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE_400MHz, + .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA_400MHz, +}; + static const struct cmd_control ddr3_cmd_ctrl_data = { .cmd0csratio = MT41J128MJT125_RATIO, .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT, @@ -130,6 +138,17 @@ static const struct cmd_control ddr3_evm_cmd_ctrl_data = { .cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT, }; +static const struct cmd_control ddr3_icev2_cmd_ctrl_data = { + .cmd0csratio = MT41J128MJT125_RATIO_400MHz, + .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz, + + .cmd1csratio = MT41J128MJT125_RATIO_400MHz, + .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz, + + .cmd2csratio = MT41J128MJT125_RATIO_400MHz, + .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz, +}; + static struct emif_regs ddr3_emif_reg_data = { .sdram_config = MT41J128MJT125_EMIF_SDCFG, .ref_ctrl = MT41J128MJT125_EMIF_SDREF, @@ -162,6 +181,17 @@ static struct emif_regs ddr3_evm_emif_reg_data = { PHY_EN_DYN_PWRDN, }; +static struct emif_regs ddr3_icev2_emif_reg_data = { + .sdram_config = MT41J128MJT125_EMIF_SDCFG_400MHz, + .ref_ctrl = MT41J128MJT125_EMIF_SDREF_400MHz, + .sdram_tim1 = MT41J128MJT125_EMIF_TIM1_400MHz, + .sdram_tim2 = MT41J128MJT125_EMIF_TIM2_400MHz, + .sdram_tim3 = MT41J128MJT125_EMIF_TIM3_400MHz, + .zq_config = MT41J128MJT125_ZQ_CFG_400MHz, + .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY_400MHz | + PHY_EN_DYN_PWRDN, +}; + #ifdef CONFIG_SPL_OS_BOOT int spl_start_uboot(void) { @@ -339,7 +369,7 @@ const struct dpll_params *get_dpll_ddr_params(void) if (board_is_evm_sk()) return &dpll_ddr_evm_sk; - else if (board_is_bone_lt()) + else if (board_is_bone_lt() || board_is_icev2()) return &dpll_ddr_bone_black; else if (board_is_evm_15_or_later()) return &dpll_ddr_evm_sk; @@ -418,6 +448,11 @@ void sdram_init(void) gpio_direction_output(GPIO_DDR_VTT_EN, 1); } + if (board_is_icev2()) { + gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en"); + gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1); + } + if (board_is_evm_sk()) config_ddr(303, &ioregs_evmsk, &ddr3_data, &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); @@ -429,6 +464,10 @@ void sdram_init(void) else if (board_is_evm_15_or_later()) config_ddr(303, &ioregs_evm15, &ddr3_evm_data, &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0); + else if (board_is_icev2()) + config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data, + &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data, + 0); else config_ddr(266, &ioregs, &ddr2_data, &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);