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authorAdrian Hunter <adrian.hunter@nokia.com>2010-02-15 10:03:34 -0800
committerTony Lindgren <tony@atomide.com>2010-02-15 10:03:34 -0800
commitd02a900b5952597b6beebd709d92ab392fa3005a (patch)
tree0fcf2dc829872dac48bcdb98c02ca632159f9b11 /arch/arm/mach-omap2/mmc-twl4030.c
parentdb0fefc5119e2cfaa8f57565331e0abe47f0801e (diff)
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@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/mmc-twl4030.c')
-rw-r--r--arch/arm/mach-omap2/mmc-twl4030.c252
1 files changed, 0 insertions, 252 deletions
diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c
deleted file mode 100644
index 6f8f29e99ff..00000000000
--- a/arch/arm/mach-omap2/mmc-twl4030.c
+++ /dev/null
@@ -1,252 +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);
- int i;
-
- 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");
- goto done;
- }
-
- 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;
- }
-
-done:
- for (i = 0; i < nr_hsmmc; i++)
- kfree(hsmmc_data[i]);
-}
-
-#endif