From patchwork Sun Jan 17 01:33:06 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 73454 X-Patchwork-Delegate: tony@atomide.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.2) with ESMTP id o0H1XPw3022415 for ; Sun, 17 Jan 2010 01:33:25 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753229Ab0AQBdY (ORCPT ); Sat, 16 Jan 2010 20:33:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753239Ab0AQBdX (ORCPT ); Sat, 16 Jan 2010 20:33:23 -0500 Received: from smtp.nokia.com ([192.100.122.233]:57985 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753228Ab0AQBdW (ORCPT ); Sat, 16 Jan 2010 20:33:22 -0500 Received: from vaebh106.NOE.Nokia.com (vaebh106.europe.nokia.com [10.160.244.32]) by mgw-mx06.nokia.com (Switch-3.3.3/Switch-3.3.3) with ESMTP id o0H1X9GC013818; Sun, 17 Jan 2010 03:33:10 +0200 Received: from vaebh104.NOE.Nokia.com ([10.160.244.30]) by vaebh106.NOE.Nokia.com with Microsoft SMTPSVC(6.0.3790.3959); Sun, 17 Jan 2010 03:33:08 +0200 Received: from mgw-sa02.ext.nokia.com ([147.243.1.48]) by vaebh104.NOE.Nokia.com over TLS secured channel with Microsoft SMTPSVC(6.0.3790.3959); Sun, 17 Jan 2010 03:33:08 +0200 Received: from ahunter-work.research.nokia.com (essapo-nirac25346.europe.nokia.com [10.162.253.46]) by mgw-sa02.ext.nokia.com (Switch-3.3.3/Switch-3.3.3) with ESMTP id o0H1X6kR007641; Sun, 17 Jan 2010 03:33:06 +0200 From: Adrian Hunter To: Tony Lindgren Cc: Adrian Hunter , Madhusudhan Chikkature , Paul Walmsley , linux-omap Mailing List , linux-mmc Mailing List , Andrew Morton Date: Sun, 17 Jan 2010 03:33:06 +0200 Message-Id: <20100117013306.17308.2282.sendpatchset@ahunter-work.research.nokia.com> In-Reply-To: <20100117013250.17308.17861.sendpatchset@ahunter-work.research.nokia.com> References: <20100117013250.17308.17861.sendpatchset@ahunter-work.research.nokia.com> Subject: [PATCH V2 2/10] omap: Rename mmc-twl4030 files to hsmmc X-OriginalArrivalTime: 17 Jan 2010 01:33:08.0740 (UTC) FILETIME=[06300C40:01CA9715] X-Nokia-AV: Clean Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index b32678b..a7e4c5a 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -71,42 +71,42 @@ obj-y += $(i2c-omap-m) $(i2c-omap-y) obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_OVERO) += board-overo.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_OMAP3EVM) += board-omap3evm.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0.o obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \ board-rx51-sdram.o \ board-rx51-peripherals.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \ board-zoom-peripherals.o \ - mmc-twl4030.o \ + hsmmc.o \ board-zoom-debugboard.o obj-$(CONFIG_MACH_OMAP_ZOOM3) += board-zoom3.o \ board-zoom-peripherals.o \ - mmc-twl4030.o \ + hsmmc.o \ board-zoom-debugboard.o obj-$(CONFIG_MACH_OMAP_3630SDP) += board-3630sdp.o \ board-zoom-peripherals.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_CM_T35) += board-cm-t35.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_IGEP0020) += board-igep0020.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_OMAP3_TOUCHBOOK) += board-omap3touchbook.o \ - mmc-twl4030.o + hsmmc.o obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o obj-$(CONFIG_MACH_OMAP3517EVM) += board-am3517evm.o diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c index 31042ee..e42848d 100644 --- a/arch/arm/mach-omap2/board-2430sdp.c +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -38,7 +38,7 @@ #include #include -#include "mmc-twl4030.h" +#include "hsmmc.h" #define SDP2430_CS0_BASE 0x04000000 #define SECONDARY_LCD_GPIO 147 diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index c90b0d0..a0cf00f 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -43,7 +43,7 @@ #include "mux.h" #include "sdram-qimonda-hyb18m512160af-6.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define CONFIG_DISABLE_HFCLK 1 diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index 2626a9f..214a2a8 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -46,7 +46,7 @@ #include "mux.h" #include "sdram-micron-mt46h32m32lf-6.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define CM_T35_GPIO_PENDOWN 57 diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index 117b8fd..9db061f 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -30,7 +30,7 @@ #include #include "mux.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define IGEP2_SMSC911X_CS 5 #define IGEP2_SMSC911X_GPIO 176 diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index 995d4a2..635f54d 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -44,7 +44,7 @@ #include #include "mux.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define LDP_SMSC911X_CS 1 #define LDP_SMSC911X_GPIO 152 diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 231cb4e..aaa9760 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -45,7 +45,7 @@ #include #include "mux.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define GPMC_CS0_BASE 0x60 #define GPMC_CS_SIZE 0x30 diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 34de178..2dd52ad 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -44,7 +44,7 @@ #include "mux.h" #include "sdram-micron-mt46h32m32lf-6.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define OMAP3_EVM_TS_GPIO 175 #define OMAP3_EVM_EHCI_VBUS 22 diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index ef17cf1..3a11506 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -43,7 +43,7 @@ #include "mux.h" #include "sdram-micron-mt46h32m32lf-6.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define OMAP3_PANDORA_TS_GPIO 94 diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c index fe3d22c..8efef51 100644 --- a/arch/arm/mach-omap2/board-omap3touchbook.c +++ b/arch/arm/mach-omap2/board-omap3touchbook.c @@ -50,7 +50,7 @@ #include #include "mux.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #include diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index d192dd9..8a9d439 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -48,7 +48,7 @@ #include "mux.h" #include "sdram-micron-mt46h32m32lf-6.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define OVERO_GPIO_BT_XGATE 15 #define OVERO_GPIO_W2W_NRESET 16 diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index acafdbc..b2de206 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -34,7 +34,7 @@ #include #include "mux.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define SYSTEM_REV_B_USES_VAUX3 0x1699 #define SYSTEM_REV_S_USES_VAUX3 0x8 diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c index 5c8474c..671dd06 100755 --- a/arch/arm/mach-omap2/board-zoom-peripherals.c +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c @@ -25,7 +25,7 @@ #include #include "mux.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" /* Zoom2 has Qwerty keyboard*/ static int board_keymap[] = { diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c new file mode 100644 index 0000000..b88c538 --- /dev/null +++ b/arch/arm/mach-omap2/hsmmc.c @@ -0,0 +1,247 @@ +/* + * linux/arch/arm/mach-omap2/hsmmc.c + * + * Copyright (C) 2007-2008 Texas Instruments + * Copyright (C) 2008 Nokia Corporation + * Author: Texas Instruments + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include +#include +#include +#include +#include +#include +#include + +#include "hsmmc.h" + +#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) + +static u16 control_pbias_offset; +static u16 control_devconf1_offset; + +#define HSMMC_NAME_LEN 9 + +static struct twl_mmc_controller { + char name[HSMMC_NAME_LEN + 1]; +} hsmmc[OMAP34XX_NR_MMC]; + +#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM) + +static int twl4030_mmc_get_context_loss(struct device *dev) +{ + /* FIXME: PM DPS not implemented yet */ + return 0; +} + +#else +#define twl4030_mmc_get_context_loss NULL +#endif + +static void hsmmc1_before_set_reg(struct device *dev, int slot, + int power_on, int vdd) +{ + u32 reg, prog_io; + struct omap_mmc_platform_data *mmc = dev->platform_data; + + /* + * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the + * card with Vcc regulator (from twl4030 or whatever). OMAP has both + * 1.8V and 3.0V modes, controlled by the PBIAS register. + * + * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which + * is most naturally TWL VSIM; those pins also use PBIAS. + * + * FIXME handle VMMC1A as needed ... + */ + if (power_on) { + if (cpu_is_omap2430()) { + reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1); + if ((1 << vdd) >= MMC_VDD_30_31) + reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE; + else + reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE; + omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1); + } + + if (mmc->slots[0].internal_clock) { + reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); + reg |= OMAP2_MMCSDIO1ADPCLKISEL; + omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0); + } + + reg = omap_ctrl_readl(control_pbias_offset); + if (cpu_is_omap3630()) { + /* Set MMC I/O to 52Mhz */ + prog_io = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1); + prog_io |= OMAP3630_PRG_SDMMC1_SPEEDCTRL; + omap_ctrl_writel(prog_io, OMAP343X_CONTROL_PROG_IO1); + } else { + reg |= OMAP2_PBIASSPEEDCTRL0; + } + reg &= ~OMAP2_PBIASLITEPWRDNZ0; + omap_ctrl_writel(reg, control_pbias_offset); + } else { + reg = omap_ctrl_readl(control_pbias_offset); + reg &= ~OMAP2_PBIASLITEPWRDNZ0; + omap_ctrl_writel(reg, control_pbias_offset); + } +} + +static void hsmmc1_after_set_reg(struct device *dev, int slot, + int power_on, int vdd) +{ + u32 reg; + + /* 100ms delay required for PBIAS configuration */ + msleep(100); + + if (power_on) { + reg = omap_ctrl_readl(control_pbias_offset); + reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0); + if ((1 << vdd) <= MMC_VDD_165_195) + reg &= ~OMAP2_PBIASLITEVMODE0; + else + reg |= OMAP2_PBIASLITEVMODE0; + omap_ctrl_writel(reg, control_pbias_offset); + } else { + reg = omap_ctrl_readl(control_pbias_offset); + reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 | + OMAP2_PBIASLITEVMODE0); + omap_ctrl_writel(reg, control_pbias_offset); + } +} + +static void hsmmc23_before_set_reg(struct device *dev, int slot, + int power_on, int vdd) +{ + struct omap_mmc_platform_data *mmc = dev->platform_data; + + if (power_on) { + /* Only MMC2 supports a CLKIN */ + if (mmc->slots[0].internal_clock) { + u32 reg; + + reg = omap_ctrl_readl(control_devconf1_offset); + reg |= OMAP2_MMCSDIO2ADPCLKISEL; + omap_ctrl_writel(reg, control_devconf1_offset); + } + } +} + +static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata; + +void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers) +{ + struct twl4030_hsmmc_info *c; + int nr_hsmmc = ARRAY_SIZE(hsmmc_data); + + if (cpu_is_omap2430()) { + control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE; + control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1; + } else { + control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE; + control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1; + } + + for (c = controllers; c->mmc; c++) { + struct twl_mmc_controller *twl = hsmmc + c->mmc - 1; + struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1]; + + if (!c->mmc || c->mmc > nr_hsmmc) { + pr_debug("MMC%d: no such controller\n", c->mmc); + continue; + } + if (mmc) { + pr_debug("MMC%d: already configured\n", c->mmc); + continue; + } + + mmc = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL); + if (!mmc) { + pr_err("Cannot allocate memory for mmc device!\n"); + return; + } + + if (c->name) + strncpy(twl->name, c->name, HSMMC_NAME_LEN); + else + snprintf(twl->name, ARRAY_SIZE(twl->name), + "mmc%islot%i", c->mmc, 1); + mmc->slots[0].name = twl->name; + mmc->nr_slots = 1; + mmc->slots[0].wires = c->wires; + mmc->slots[0].internal_clock = !c->ext_clock; + mmc->dma_mask = 0xffffffff; + + mmc->get_context_loss_count = + twl4030_mmc_get_context_loss; + + mmc->slots[0].switch_pin = c->gpio_cd; + mmc->slots[0].gpio_wp = c->gpio_wp; + + if (c->cover_only) + mmc->slots[0].cover = 1; + + if (c->nonremovable) + mmc->slots[0].nonremovable = 1; + + if (c->power_saving) + mmc->slots[0].power_saving = 1; + + /* NOTE: MMC slots should have a Vcc regulator set up. + * This may be from a TWL4030-family chip, another + * controllable regulator, or a fixed supply. + * + * temporary HACK: ocr_mask instead of fixed supply + */ + mmc->slots[0].ocr_mask = c->ocr_mask; + + switch (c->mmc) { + case 1: + /* on-chip level shifting via PBIAS0/PBIAS1 */ + mmc->slots[0].before_set_reg = hsmmc1_before_set_reg; + mmc->slots[0].after_set_reg = hsmmc1_after_set_reg; + + /* Omap3630 HSMMC1 supports only 4-bit */ + if (cpu_is_omap3630() && c->wires > 4) { + c->wires = 4; + mmc->slots[0].wires = c->wires; + } + break; + case 2: + if (c->ext_clock) + c->transceiver = 1; + if (c->transceiver && c->wires > 4) + c->wires = 4; + /* FALLTHROUGH */ + case 3: + /* off-chip level shifting, or none */ + mmc->slots[0].before_set_reg = hsmmc23_before_set_reg; + mmc->slots[0].after_set_reg = NULL; + break; + default: + pr_err("MMC%d configuration not supported!\n", c->mmc); + kfree(mmc); + continue; + } + hsmmc_data[c->mmc - 1] = mmc; + } + + omap2_init_mmc(hsmmc_data, OMAP34XX_NR_MMC); + + /* pass the device nodes back to board setup code */ + for (c = controllers; c->mmc; c++) { + struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1]; + + if (!c->mmc || c->mmc > nr_hsmmc) + continue; + c->dev = mmc->dev; + } +} + +#endif diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h new file mode 100644 index 0000000..87d67c1 --- /dev/null +++ b/arch/arm/mach-omap2/hsmmc.h @@ -0,0 +1,34 @@ +/* + * MMC definitions for OMAP2 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +struct twl4030_hsmmc_info { + u8 mmc; /* controller 1/2/3 */ + u8 wires; /* 1/4/8 wires */ + bool transceiver; /* MMC-2 option */ + bool ext_clock; /* use external pin for input clock */ + bool cover_only; /* No card detect - just cover switch */ + bool nonremovable; /* Nonremovable e.g. eMMC */ + bool power_saving; /* Try to sleep or power off when possible */ + int gpio_cd; /* or -EINVAL */ + int gpio_wp; /* or -EINVAL */ + char *name; /* or NULL for default */ + struct device *dev; /* returned: pointer to mmc adapter */ + int ocr_mask; /* temporary HACK */ +}; + +#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) + +void twl4030_mmc_init(struct twl4030_hsmmc_info *); + +#else + +static inline void twl4030_mmc_init(struct twl4030_hsmmc_info *info) +{ +} + +#endif diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c deleted file mode 100644 index 9d5ad0b..0000000 --- a/arch/arm/mach-omap2/mmc-twl4030.c +++ /dev/null @@ -1,247 +0,0 @@ -/* - * linux/arch/arm/mach-omap2/mmc-twl4030.c - * - * Copyright (C) 2007-2008 Texas Instruments - * Copyright (C) 2008 Nokia Corporation - * Author: Texas Instruments - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include -#include -#include -#include -#include -#include -#include - -#include "mmc-twl4030.h" - -#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) - -static u16 control_pbias_offset; -static u16 control_devconf1_offset; - -#define HSMMC_NAME_LEN 9 - -static struct twl_mmc_controller { - char name[HSMMC_NAME_LEN + 1]; -} hsmmc[OMAP34XX_NR_MMC]; - -#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM) - -static int twl4030_mmc_get_context_loss(struct device *dev) -{ - /* FIXME: PM DPS not implemented yet */ - return 0; -} - -#else -#define twl4030_mmc_get_context_loss NULL -#endif - -static void hsmmc1_before_set_reg(struct device *dev, int slot, - int power_on, int vdd) -{ - u32 reg, prog_io; - struct omap_mmc_platform_data *mmc = dev->platform_data; - - /* - * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the - * card with Vcc regulator (from twl4030 or whatever). OMAP has both - * 1.8V and 3.0V modes, controlled by the PBIAS register. - * - * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which - * is most naturally TWL VSIM; those pins also use PBIAS. - * - * FIXME handle VMMC1A as needed ... - */ - if (power_on) { - if (cpu_is_omap2430()) { - reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1); - if ((1 << vdd) >= MMC_VDD_30_31) - reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE; - else - reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE; - omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1); - } - - if (mmc->slots[0].internal_clock) { - reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); - reg |= OMAP2_MMCSDIO1ADPCLKISEL; - omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0); - } - - reg = omap_ctrl_readl(control_pbias_offset); - if (cpu_is_omap3630()) { - /* Set MMC I/O to 52Mhz */ - prog_io = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1); - prog_io |= OMAP3630_PRG_SDMMC1_SPEEDCTRL; - omap_ctrl_writel(prog_io, OMAP343X_CONTROL_PROG_IO1); - } else { - reg |= OMAP2_PBIASSPEEDCTRL0; - } - reg &= ~OMAP2_PBIASLITEPWRDNZ0; - omap_ctrl_writel(reg, control_pbias_offset); - } else { - reg = omap_ctrl_readl(control_pbias_offset); - reg &= ~OMAP2_PBIASLITEPWRDNZ0; - omap_ctrl_writel(reg, control_pbias_offset); - } -} - -static void hsmmc1_after_set_reg(struct device *dev, int slot, - int power_on, int vdd) -{ - u32 reg; - - /* 100ms delay required for PBIAS configuration */ - msleep(100); - - if (power_on) { - reg = omap_ctrl_readl(control_pbias_offset); - reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0); - if ((1 << vdd) <= MMC_VDD_165_195) - reg &= ~OMAP2_PBIASLITEVMODE0; - else - reg |= OMAP2_PBIASLITEVMODE0; - omap_ctrl_writel(reg, control_pbias_offset); - } else { - reg = omap_ctrl_readl(control_pbias_offset); - reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 | - OMAP2_PBIASLITEVMODE0); - omap_ctrl_writel(reg, control_pbias_offset); - } -} - -static void hsmmc23_before_set_reg(struct device *dev, int slot, - int power_on, int vdd) -{ - struct omap_mmc_platform_data *mmc = dev->platform_data; - - if (power_on) { - /* Only MMC2 supports a CLKIN */ - if (mmc->slots[0].internal_clock) { - u32 reg; - - reg = omap_ctrl_readl(control_devconf1_offset); - reg |= OMAP2_MMCSDIO2ADPCLKISEL; - omap_ctrl_writel(reg, control_devconf1_offset); - } - } -} - -static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata; - -void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers) -{ - struct twl4030_hsmmc_info *c; - int nr_hsmmc = ARRAY_SIZE(hsmmc_data); - - if (cpu_is_omap2430()) { - control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE; - control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1; - } else { - control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE; - control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1; - } - - for (c = controllers; c->mmc; c++) { - struct twl_mmc_controller *twl = hsmmc + c->mmc - 1; - struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1]; - - if (!c->mmc || c->mmc > nr_hsmmc) { - pr_debug("MMC%d: no such controller\n", c->mmc); - continue; - } - if (mmc) { - pr_debug("MMC%d: already configured\n", c->mmc); - continue; - } - - mmc = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL); - if (!mmc) { - pr_err("Cannot allocate memory for mmc device!\n"); - return; - } - - if (c->name) - strncpy(twl->name, c->name, HSMMC_NAME_LEN); - else - snprintf(twl->name, ARRAY_SIZE(twl->name), - "mmc%islot%i", c->mmc, 1); - mmc->slots[0].name = twl->name; - mmc->nr_slots = 1; - mmc->slots[0].wires = c->wires; - mmc->slots[0].internal_clock = !c->ext_clock; - mmc->dma_mask = 0xffffffff; - - mmc->get_context_loss_count = - twl4030_mmc_get_context_loss; - - mmc->slots[0].switch_pin = c->gpio_cd; - mmc->slots[0].gpio_wp = c->gpio_wp; - - if (c->cover_only) - mmc->slots[0].cover = 1; - - if (c->nonremovable) - mmc->slots[0].nonremovable = 1; - - if (c->power_saving) - mmc->slots[0].power_saving = 1; - - /* NOTE: MMC slots should have a Vcc regulator set up. - * This may be from a TWL4030-family chip, another - * controllable regulator, or a fixed supply. - * - * temporary HACK: ocr_mask instead of fixed supply - */ - mmc->slots[0].ocr_mask = c->ocr_mask; - - switch (c->mmc) { - case 1: - /* on-chip level shifting via PBIAS0/PBIAS1 */ - mmc->slots[0].before_set_reg = hsmmc1_before_set_reg; - mmc->slots[0].after_set_reg = hsmmc1_after_set_reg; - - /* Omap3630 HSMMC1 supports only 4-bit */ - if (cpu_is_omap3630() && c->wires > 4) { - c->wires = 4; - mmc->slots[0].wires = c->wires; - } - break; - case 2: - if (c->ext_clock) - c->transceiver = 1; - if (c->transceiver && c->wires > 4) - c->wires = 4; - /* FALLTHROUGH */ - case 3: - /* off-chip level shifting, or none */ - mmc->slots[0].before_set_reg = hsmmc23_before_set_reg; - mmc->slots[0].after_set_reg = NULL; - break; - default: - pr_err("MMC%d configuration not supported!\n", c->mmc); - kfree(mmc); - continue; - } - hsmmc_data[c->mmc - 1] = mmc; - } - - omap2_init_mmc(hsmmc_data, OMAP34XX_NR_MMC); - - /* pass the device nodes back to board setup code */ - for (c = controllers; c->mmc; c++) { - struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1]; - - if (!c->mmc || c->mmc > nr_hsmmc) - continue; - c->dev = mmc->dev; - } -} - -#endif diff --git a/arch/arm/mach-omap2/mmc-twl4030.h b/arch/arm/mach-omap2/mmc-twl4030.h deleted file mode 100644 index 87d67c1..0000000 --- a/arch/arm/mach-omap2/mmc-twl4030.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * MMC definitions for OMAP2 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -struct twl4030_hsmmc_info { - u8 mmc; /* controller 1/2/3 */ - u8 wires; /* 1/4/8 wires */ - bool transceiver; /* MMC-2 option */ - bool ext_clock; /* use external pin for input clock */ - bool cover_only; /* No card detect - just cover switch */ - bool nonremovable; /* Nonremovable e.g. eMMC */ - bool power_saving; /* Try to sleep or power off when possible */ - int gpio_cd; /* or -EINVAL */ - int gpio_wp; /* or -EINVAL */ - char *name; /* or NULL for default */ - struct device *dev; /* returned: pointer to mmc adapter */ - int ocr_mask; /* temporary HACK */ -}; - -#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) - -void twl4030_mmc_init(struct twl4030_hsmmc_info *); - -#else - -static inline void twl4030_mmc_init(struct twl4030_hsmmc_info *info) -{ -} - -#endif