From patchwork Tue Nov 26 00:14:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 3235521 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1851EC045B for ; Tue, 26 Nov 2013 00:17:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BFF75200F2 for ; Tue, 26 Nov 2013 00:17:09 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 37745200D9 for ; Tue, 26 Nov 2013 00:17:08 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Vl6Jt-0002RL-Gv; Tue, 26 Nov 2013 00:16:02 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Vl6Jc-0004A7-ER; Tue, 26 Nov 2013 00:15:44 +0000 Received: from mho-03-ewr.mailhop.org ([204.13.248.66] helo=mho-01-ewr.mailhop.org) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Vl6Il-00042W-56 for linux-arm-kernel@lists.infradead.org; Tue, 26 Nov 2013 00:15:09 +0000 Received: from c-50-131-214-131.hsd1.ca.comcast.net ([50.131.214.131] helo=muffinssi.muru.com) by mho-01-ewr.mailhop.org with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1Vl6IT-0007WB-7o; Tue, 26 Nov 2013 00:14:33 +0000 X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 50.131.214.131 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1/gGbkfroA1x/Vu9xNmRMGZ From: Tony Lindgren To: linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org Subject: [PATCH 03/12] ARM: OMAP2+: Remove legacy hsmmc.c Date: Mon, 25 Nov 2013 16:14:18 -0800 Message-Id: <1385424867-27243-4-git-send-email-tony@atomide.com> X-Mailer: git-send-email 1.8.1.1 In-Reply-To: <1385424867-27243-1-git-send-email-tony@atomide.com> References: <1385424867-27243-1-git-send-email-tony@atomide.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131125_191451_640055_8158E844 X-CRM114-Status: GOOD ( 21.69 ) X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We can now initialize the hsmmc using devicetree Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/Makefile | 3 - arch/arm/mach-omap2/hsmmc.c | 518 ------------------------------------------- 2 files changed, 521 deletions(-) delete mode 100644 arch/arm/mach-omap2/hsmmc.c diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index bb9629e..a5e13c0 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -243,9 +243,6 @@ omap-flash-$(CONFIG_MTD_NAND_OMAP2) := board-flash.o omap-flash-$(CONFIG_MTD_ONENAND_OMAP2) := board-flash.o obj-y += $(omap-flash-y) $(omap-flash-m) -omap-hsmmc-$(CONFIG_MMC_OMAP_HS) := hsmmc.o -obj-y += $(omap-hsmmc-m) $(omap-hsmmc-y) - obj-y += usb-musb.o obj-y += omap_phy_internal.o diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c deleted file mode 100644 index 07d4c7b..0000000 --- a/arch/arm/mach-omap2/hsmmc.c +++ /dev/null @@ -1,518 +0,0 @@ -/* - * 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 "soc.h" -#include "omap_device.h" -#include "omap-pm.h" - -#include "mux.h" -#include "mmc.h" -#include "hsmmc.h" -#include "control.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 - -#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM) - -static int hsmmc_get_context_loss(struct device *dev) -{ - return omap_pm_get_dev_context_loss_count(dev); -} - -#else -#define hsmmc_get_context_loss NULL -#endif - -static void omap_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; - - if (mmc->slots[0].remux) - mmc->slots[0].remux(dev, slot, power_on); - - /* - * 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 omap_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 hsmmc2_select_input_clk_src(struct omap_mmc_platform_data *mmc) -{ - u32 reg; - - reg = omap_ctrl_readl(control_devconf1_offset); - if (mmc->slots[0].internal_clock) - reg |= OMAP2_MMCSDIO2ADPCLKISEL; - else - reg &= ~OMAP2_MMCSDIO2ADPCLKISEL; - omap_ctrl_writel(reg, control_devconf1_offset); -} - -static void hsmmc2_before_set_reg(struct device *dev, int slot, - int power_on, int vdd) -{ - struct omap_mmc_platform_data *mmc = dev->platform_data; - - if (mmc->slots[0].remux) - mmc->slots[0].remux(dev, slot, power_on); - - if (power_on) - hsmmc2_select_input_clk_src(mmc); -} - -static int am35x_hsmmc2_set_power(struct device *dev, int slot, - int power_on, int vdd) -{ - struct omap_mmc_platform_data *mmc = dev->platform_data; - - if (power_on) - hsmmc2_select_input_clk_src(mmc); - - return 0; -} - -static int nop_mmc_set_power(struct device *dev, int slot, int power_on, - int vdd) -{ - return 0; -} - -static inline void omap_hsmmc_mux(struct omap_mmc_platform_data *mmc_controller, - int controller_nr) -{ - if (gpio_is_valid(mmc_controller->slots[0].switch_pin) && - (mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES)) - omap_mux_init_gpio(mmc_controller->slots[0].switch_pin, - OMAP_PIN_INPUT_PULLUP); - if (gpio_is_valid(mmc_controller->slots[0].gpio_wp) && - (mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES)) - omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp, - OMAP_PIN_INPUT_PULLUP); - if (cpu_is_omap34xx()) { - if (controller_nr == 0) { - omap_mux_init_signal("sdmmc1_clk", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_cmd", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_dat0", - OMAP_PIN_INPUT_PULLUP); - if (mmc_controller->slots[0].caps & - (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) { - omap_mux_init_signal("sdmmc1_dat1", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_dat2", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_dat3", - OMAP_PIN_INPUT_PULLUP); - } - if (mmc_controller->slots[0].caps & - MMC_CAP_8_BIT_DATA) { - omap_mux_init_signal("sdmmc1_dat4", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_dat5", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_dat6", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_dat7", - OMAP_PIN_INPUT_PULLUP); - } - } - if (controller_nr == 1) { - /* MMC2 */ - omap_mux_init_signal("sdmmc2_clk", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_cmd", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_dat0", - OMAP_PIN_INPUT_PULLUP); - - /* - * For 8 wire configurations, Lines DAT4, 5, 6 and 7 - * need to be muxed in the board-*.c files - */ - if (mmc_controller->slots[0].caps & - (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) { - omap_mux_init_signal("sdmmc2_dat1", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_dat2", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_dat3", - OMAP_PIN_INPUT_PULLUP); - } - if (mmc_controller->slots[0].caps & - MMC_CAP_8_BIT_DATA) { - omap_mux_init_signal("sdmmc2_dat4.sdmmc2_dat4", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_dat5.sdmmc2_dat5", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_dat6.sdmmc2_dat6", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_dat7.sdmmc2_dat7", - OMAP_PIN_INPUT_PULLUP); - } - } - - /* - * For MMC3 the pins need to be muxed in the board-*.c files - */ - } -} - -static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, - struct omap_mmc_platform_data *mmc) -{ - char *hc_name; - - hc_name = kzalloc(sizeof(char) * (HSMMC_NAME_LEN + 1), GFP_KERNEL); - if (!hc_name) { - pr_err("Cannot allocate memory for controller slot name\n"); - kfree(hc_name); - return -ENOMEM; - } - - if (c->name) - strncpy(hc_name, c->name, HSMMC_NAME_LEN); - else - snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i", - c->mmc, 1); - mmc->slots[0].name = hc_name; - mmc->nr_slots = 1; - mmc->slots[0].caps = c->caps; - mmc->slots[0].pm_caps = c->pm_caps; - mmc->slots[0].internal_clock = !c->ext_clock; - mmc->max_freq = c->max_freq; - mmc->reg_offset = 0; - mmc->get_context_loss_count = hsmmc_get_context_loss; - - mmc->slots[0].switch_pin = c->gpio_cd; - mmc->slots[0].gpio_wp = c->gpio_wp; - - mmc->slots[0].remux = c->remux; - mmc->slots[0].init_card = c->init_card; - - 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; - - if (c->no_off) - mmc->slots[0].no_off = 1; - - if (c->no_off_init) - mmc->slots[0].no_regulator_off_init = c->no_off_init; - - if (c->vcc_aux_disable_is_sleep) - mmc->slots[0].vcc_aux_disable_is_sleep = 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 - */ - if (soc_is_am35xx()) - mmc->slots[0].ocr_mask = MMC_VDD_165_195 | - MMC_VDD_26_27 | - MMC_VDD_27_28 | - MMC_VDD_29_30 | - MMC_VDD_30_31 | - MMC_VDD_31_32; - else - mmc->slots[0].ocr_mask = c->ocr_mask; - - if (!soc_is_am35xx()) - mmc->slots[0].features |= HSMMC_HAS_PBIAS; - - switch (c->mmc) { - case 1: - if (mmc->slots[0].features & HSMMC_HAS_PBIAS) { - /* on-chip level shifting via PBIAS0/PBIAS1 */ - mmc->slots[0].before_set_reg = - omap_hsmmc1_before_set_reg; - mmc->slots[0].after_set_reg = - omap_hsmmc1_after_set_reg; - } - - if (soc_is_am35xx()) - mmc->slots[0].set_power = nop_mmc_set_power; - - /* OMAP3630 HSMMC1 supports only 4-bit */ - if (cpu_is_omap3630() && - (c->caps & MMC_CAP_8_BIT_DATA)) { - c->caps &= ~MMC_CAP_8_BIT_DATA; - c->caps |= MMC_CAP_4_BIT_DATA; - mmc->slots[0].caps = c->caps; - } - break; - case 2: - if (soc_is_am35xx()) - mmc->slots[0].set_power = am35x_hsmmc2_set_power; - - if (c->ext_clock) - c->transceiver = 1; - if (c->transceiver && (c->caps & MMC_CAP_8_BIT_DATA)) { - c->caps &= ~MMC_CAP_8_BIT_DATA; - c->caps |= MMC_CAP_4_BIT_DATA; - } - if (mmc->slots[0].features & HSMMC_HAS_PBIAS) { - /* off-chip level shifting, or none */ - mmc->slots[0].before_set_reg = hsmmc2_before_set_reg; - mmc->slots[0].after_set_reg = NULL; - } - break; - case 3: - case 4: - case 5: - mmc->slots[0].before_set_reg = NULL; - mmc->slots[0].after_set_reg = NULL; - break; - default: - pr_err("MMC%d configuration not supported!\n", c->mmc); - kfree(hc_name); - return -ENODEV; - } - return 0; -} - -static int omap_hsmmc_done; - -void omap_hsmmc_late_init(struct omap2_hsmmc_info *c) -{ - struct platform_device *pdev; - struct omap_mmc_platform_data *mmc_pdata; - int res; - - if (omap_hsmmc_done != 1) - return; - - omap_hsmmc_done++; - - for (; c->mmc; c++) { - if (!c->deferred) - continue; - - pdev = c->pdev; - if (!pdev) - continue; - - mmc_pdata = pdev->dev.platform_data; - if (!mmc_pdata) - continue; - - mmc_pdata->slots[0].switch_pin = c->gpio_cd; - mmc_pdata->slots[0].gpio_wp = c->gpio_wp; - - res = omap_device_register(pdev); - if (res) - pr_err("Could not late init MMC %s\n", - c->name); - } -} - -#define MAX_OMAP_MMC_HWMOD_NAME_LEN 16 - -static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo, - int ctrl_nr) -{ - struct omap_hwmod *oh; - struct omap_hwmod *ohs[1]; - struct omap_device *od; - struct platform_device *pdev; - char oh_name[MAX_OMAP_MMC_HWMOD_NAME_LEN]; - struct omap_mmc_platform_data *mmc_data; - struct omap_mmc_dev_attr *mmc_dev_attr; - char *name; - int res; - - mmc_data = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL); - if (!mmc_data) { - pr_err("Cannot allocate memory for mmc device!\n"); - return; - } - - res = omap_hsmmc_pdata_init(hsmmcinfo, mmc_data); - if (res < 0) - goto free_mmc; - - omap_hsmmc_mux(mmc_data, (ctrl_nr - 1)); - - name = "omap_hsmmc"; - res = snprintf(oh_name, MAX_OMAP_MMC_HWMOD_NAME_LEN, - "mmc%d", ctrl_nr); - WARN(res >= MAX_OMAP_MMC_HWMOD_NAME_LEN, - "String buffer overflow in MMC%d device setup\n", ctrl_nr); - - oh = omap_hwmod_lookup(oh_name); - if (!oh) { - pr_err("Could not look up %s\n", oh_name); - goto free_name; - } - ohs[0] = oh; - if (oh->dev_attr != NULL) { - mmc_dev_attr = oh->dev_attr; - mmc_data->controller_flags = mmc_dev_attr->flags; - /* - * erratum 2.1.1.128 doesn't apply if board has - * a transceiver is attached - */ - if (hsmmcinfo->transceiver) - mmc_data->controller_flags &= - ~OMAP_HSMMC_BROKEN_MULTIBLOCK_READ; - } - - pdev = platform_device_alloc(name, ctrl_nr - 1); - if (!pdev) { - pr_err("Could not allocate pdev for %s\n", name); - goto free_name; - } - dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id); - - od = omap_device_alloc(pdev, ohs, 1); - if (IS_ERR(od)) { - pr_err("Could not allocate od for %s\n", name); - goto put_pdev; - } - - res = platform_device_add_data(pdev, mmc_data, - sizeof(struct omap_mmc_platform_data)); - if (res) { - pr_err("Could not add pdata for %s\n", name); - goto put_pdev; - } - - hsmmcinfo->pdev = pdev; - - if (hsmmcinfo->deferred) - goto free_mmc; - - res = omap_device_register(pdev); - if (res) { - pr_err("Could not register od for %s\n", name); - goto free_od; - } - - goto free_mmc; - -free_od: - omap_device_delete(od); - -put_pdev: - platform_device_put(pdev); - -free_name: - kfree(mmc_data->slots[0].name); - -free_mmc: - kfree(mmc_data); -} - -void __init omap_hsmmc_init(struct omap2_hsmmc_info *controllers) -{ - if (omap_hsmmc_done) - return; - - omap_hsmmc_done = 1; - - 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 (; controllers->mmc; controllers++) - omap_hsmmc_init_one(controllers, controllers->mmc); - -} - -#endif