> -----Original Message----- > From: Adrian Hunter [mailto:adrian.hunter@xxxxxxxxx] > Sent: Saturday, January 16, 2010 7:33 PM > To: Tony Lindgren > Cc: Adrian Hunter; Madhusudhan Chikkature; Paul Walmsley; linux-omap > Mailing List; linux-mmc Mailing List; Andrew Morton > Subject: [PATCH V2 2/10] omap: Rename mmc-twl4030 files to hsmmc > > From a65fae702aa81d4596d6fbefd2ab3c8ea87c244a Mon Sep 17 00:00:00 2001 > From: Adrian Hunter <adrian.hunter@xxxxxxxxx> > Date: Sun, 17 Jan 2010 02:34:22 +0200 > Subject: [PATCH] omap: Rename mmc-twl4030 files to hsmmc > > mmc-twl4030.[ch] no longer has any dependency on twl4030 > and should be renamed to reflect that. > > Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> > --- > arch/arm/mach-omap2/Makefile | 28 ++-- > arch/arm/mach-omap2/board-2430sdp.c | 2 +- > arch/arm/mach-omap2/board-3430sdp.c | 2 +- > arch/arm/mach-omap2/board-cm-t35.c | 2 +- > arch/arm/mach-omap2/board-igep0020.c | 2 +- > arch/arm/mach-omap2/board-ldp.c | 2 +- > arch/arm/mach-omap2/board-omap3beagle.c | 2 +- > arch/arm/mach-omap2/board-omap3evm.c | 2 +- > arch/arm/mach-omap2/board-omap3pandora.c | 2 +- > arch/arm/mach-omap2/board-omap3touchbook.c | 2 +- > arch/arm/mach-omap2/board-overo.c | 2 +- > arch/arm/mach-omap2/board-rx51-peripherals.c | 2 +- > arch/arm/mach-omap2/board-zoom-peripherals.c | 2 +- > arch/arm/mach-omap2/hsmmc.c | 247 > ++++++++++++++++++++++++++ > arch/arm/mach-omap2/hsmmc.h | 34 ++++ > arch/arm/mach-omap2/mmc-twl4030.c | 247 --------------------- > ----- > arch/arm/mach-omap2/mmc-twl4030.h | 34 ---- > 17 files changed, 307 insertions(+), 307 deletions(-) > create mode 100644 arch/arm/mach-omap2/hsmmc.c > create mode 100644 arch/arm/mach-omap2/hsmmc.h > delete mode 100644 arch/arm/mach-omap2/mmc-twl4030.c > delete mode 100644 arch/arm/mach-omap2/mmc-twl4030.h > > 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 <plat/usb.h> > #include <plat/gpmc-smc91x.h> > > -#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 <plat/usb.h> > > #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 <plat/usb.h> > > #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 <plat/timer-gp.h> > > #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 <plat/timer-gp.h> > > #include "mux.h" > -#include "mmc-twl4030.h" > +#include "hsmmc.h" > > #include <asm/setup.h> > > 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 <plat/gpmc-smc91x.h> > > #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 <plat/usb.h> > > #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 <linux/kernel.h> > +#include <linux/slab.h> > +#include <linux/string.h> > +#include <linux/delay.h> > +#include <mach/hardware.h> > +#include <plat/control.h> > +#include <plat/mmc.h> > + > +#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 { Now that this file is hsmmc specific, how about renaming this as "hsmmc_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) Ditto, hsmmc_get_context_loss? > +{ > + /* 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) Ditto, hsmmc_init? > +{ > + 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 *); Ditto > + > +#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 <linux/kernel.h> > -#include <linux/slab.h> > -#include <linux/string.h> > -#include <linux/delay.h> > -#include <mach/hardware.h> > -#include <plat/control.h> > -#include <plat/mmc.h> > - > -#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 > -- > 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
