From patchwork Mon Oct 13 07:51:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ye.Li" X-Patchwork-Id: 399075 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 AE0651400E2 for ; Mon, 13 Oct 2014 18:52:09 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id C5AA0A787B; Mon, 13 Oct 2014 09:52:03 +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 1E4xlH4d6p6u; Mon, 13 Oct 2014 09:52:03 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 961DBA786F; Mon, 13 Oct 2014 09:52:00 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 22065A7850 for ; Mon, 13 Oct 2014 09:51:55 +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 9Y5CX19vGFYU for ; Mon, 13 Oct 2014 09:51:55 +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 na01-bl2-obe.outbound.protection.outlook.com (mail-bl2on0119.outbound.protection.outlook.com [65.55.169.119]) by theia.denx.de (Postfix) with ESMTPS id 8D092A73E8 for ; Mon, 13 Oct 2014 09:51:50 +0200 (CEST) Received: from BN3PR0301CA0056.namprd03.prod.outlook.com (25.160.152.152) by BY2PR03MB361.namprd03.prod.outlook.com (10.242.237.13) with Microsoft SMTP Server (TLS) id 15.0.1049.19; Mon, 13 Oct 2014 07:51:46 +0000 Received: from BY2FFO11FD056.protection.gbl (2a01:111:f400:7c0c::181) by BN3PR0301CA0056.outlook.office365.com (2a01:111:e400:401e::24) with Microsoft SMTP Server (TLS) id 15.0.1049.19 via Frontend Transport; Mon, 13 Oct 2014 07:51:45 +0000 Received: from az84smr01.freescale.net (192.88.158.2) by BY2FFO11FD056.mail.protection.outlook.com (10.1.15.193) with Microsoft SMTP Server (TLS) id 15.0.1039.16 via Frontend Transport; Mon, 13 Oct 2014 07:51:45 +0000 Received: from leyoen-ubuntu.localdomain ([10.192.185.171]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id s9D7pZB3002687; Mon, 13 Oct 2014 00:51:42 -0700 From: Ye.Li To: Date: Mon, 13 Oct 2014 15:51:04 +0800 Message-ID: <1413186664-14455-2-git-send-email-B37916@freescale.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1413186664-14455-1-git-send-email-B37916@freescale.com> References: <1413186664-14455-1-git-send-email-B37916@freescale.com> X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:192.88.158.2; CTRY:US; IPV:CAL; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(199003)(189002)(97736003)(93916002)(21056001)(46102003)(85306004)(80022003)(87936001)(89996001)(87286001)(88136002)(85852003)(47776003)(20776003)(50226001)(4396001)(50466002)(48376002)(19580405001)(6806004)(44976005)(19580395003)(102836001)(26826002)(84676001)(68736004)(69596002)(104166001)(92726001)(76176999)(92566001)(31966008)(62966002)(50986999)(110136001)(76482002)(106466001)(95666004)(229853001)(107046002)(77156001)(64706001)(81156004)(104016003)(36756003)(2351001)(105606002)(120916001)(99396003)(32563001); DIR:OUT; SFP:1102; SCL:1; SRVR:BY2PR03MB361; H:az84smr01.freescale.net; FPR:; MLV:ovrnspm; PTR:InfoDomainNonexistent; A:1; MX:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:BY2PR03MB361; X-Forefront-PRVS: 03630A6A4A Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.158.2 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.158.2; helo=az84smr01.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.158.2) smtp.mailfrom=Ye.Li@freescale.com; X-OriginatorOrg: freescale.com Cc: fabio.estevam@freescale.com, u-boot@lists.denx.de Subject: [U-Boot] [PATCH 2/2] imx: mx6slevk: Add support for USDHC1 and USDHC3 slots 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: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de There are three SD/MMC sockets on mx6slevk boards. Implements the full support for them. The default boot socket is USDHC2, so the MMC environment is set to that device. Signed-off-by: Ye.Li --- board/freescale/mx6slevk/mx6slevk.c | 101 ++++++++++++++++++++++++++++++++-- include/configs/mx6slevk.h | 6 ++- 2 files changed, 100 insertions(+), 7 deletions(-) diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c index a990b4c..265811b 100644 --- a/board/freescale/mx6slevk/mx6slevk.c +++ b/board/freescale/mx6slevk/mx6slevk.c @@ -51,6 +51,23 @@ static iomux_v3_cfg_t const uart1_pads[] = { MX6_PAD_UART1_RXD__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), }; +static iomux_v3_cfg_t const usdhc1_pads[] = { + /* 8 bit SD */ + MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT0__USDHC1_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT1__USDHC1_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT2__USDHC1_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT3__USDHC1_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT4__USDHC1_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT5__USDHC1_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT6__USDHC1_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT7__USDHC1_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /*CD pin*/ + MX6_PAD_KEY_ROW7__GPIO_4_7 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + static iomux_v3_cfg_t const usdhc2_pads[] = { MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), @@ -58,6 +75,21 @@ static iomux_v3_cfg_t const usdhc2_pads[] = { MX6_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /*CD pin*/ + MX6_PAD_SD2_DAT7__GPIO_5_0 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const usdhc3_pads[] = { + MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /*CD pin*/ + MX6_PAD_REF_CLK_32K__GPIO_3_22 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const fec_pads[] = { @@ -103,21 +135,78 @@ static void setup_iomux_fec(void) gpio_set_value(ETH_PHY_RESET, 1); } -static struct fsl_esdhc_cfg usdhc_cfg[1] = { - {USDHC2_BASE_ADDR}, +#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7) +#define USDHC2_CD_GPIO IMX_GPIO_NR(5, 0) +#define USDHC3_CD_GPIO IMX_GPIO_NR(3, 22) + +static struct fsl_esdhc_cfg usdhc_cfg[3] = { + {USDHC1_BASE_ADDR}, + {USDHC2_BASE_ADDR, 0, 4}, + {USDHC3_BASE_ADDR, 0, 4}, }; int board_mmc_getcd(struct mmc *mmc) { - return 1; /* Assume boot SD always present */ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret = 0; + + switch (cfg->esdhc_base) { + case USDHC1_BASE_ADDR: + ret = !gpio_get_value(USDHC1_CD_GPIO); + break; + case USDHC2_BASE_ADDR: + ret = !gpio_get_value(USDHC2_CD_GPIO); + break; + case USDHC3_BASE_ADDR: + ret = !gpio_get_value(USDHC3_CD_GPIO); + break; + } + + return ret; } int board_mmc_init(bd_t *bis) { - imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + int i; + + /* + * According to the board_mmc_init() the following map is done: + * (U-boot device node) (Physical Port) + * mmc0 USDHC1 + * mmc1 USDHC2 + * mmc2 USDHC3 + */ + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { + switch (i) { + case 0: + imx_iomux_v3_setup_multiple_pads( + usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); + gpio_direction_input(USDHC1_CD_GPIO); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + break; + case 1: + imx_iomux_v3_setup_multiple_pads( + usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + gpio_direction_input(USDHC2_CD_GPIO); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + break; + case 2: + imx_iomux_v3_setup_multiple_pads( + usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + gpio_direction_input(USDHC3_CD_GPIO); + usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + break; + default: + printf("Warning: you configured more USDHC controllers" + "(%d) than supported by the board\n", i + 1); + return 0; + } + + if (fsl_esdhc_initialize(bis, &usdhc_cfg[i])) + printf("Warning: failed to initialize mmc dev %d\n", i); + } - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); - return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); + return 0; } #ifdef CONFIG_FEC_MXC diff --git a/include/configs/mx6slevk.h b/include/configs/mx6slevk.h index 55b983c..65b4e3d 100644 --- a/include/configs/mx6slevk.h +++ b/include/configs/mx6slevk.h @@ -190,7 +190,6 @@ #define CONFIG_ENV_OFFSET (6 * SZ_64K) #define CONFIG_ENV_SIZE SZ_8K #define CONFIG_ENV_IS_IN_MMC -#define CONFIG_SYS_MMC_ENV_DEV 0 #define CONFIG_OF_LIBFDT #define CONFIG_CMD_BOOTZ @@ -210,4 +209,9 @@ #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 #endif +#define CONFIG_SYS_FSL_USDHC_NUM 3 +#if defined(CONFIG_ENV_IS_IN_MMC) +#define CONFIG_SYS_MMC_ENV_DEV 1 /* SDHC2*/ +#endif + #endif /* __CONFIG_H */