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ARM: OMAP2+: Remove omap4 pdata from hsmmc.c
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This is no longer needed as omap4 is now booted using
device tree.

Signed-off-by: Tony Lindgren <tony@atomide.com>
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Tony Lindgren committed May 30, 2013
1 parent c99eb41 commit b30e321
Showing 1 changed file with 10 additions and 93 deletions.
103 changes: 10 additions & 93 deletions arch/arm/mach-omap2/hsmmc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,6 @@

static u16 control_pbias_offset;
static u16 control_devconf1_offset;
static u16 control_mmc1;

#define HSMMC_NAME_LEN 9

Expand Down Expand Up @@ -121,57 +120,6 @@ static void omap_hsmmc1_after_set_reg(struct device *dev, int slot,
}
}

static void omap4_hsmmc1_before_set_reg(struct device *dev, int slot,
int power_on, int vdd)
{
u32 reg;

/*
* 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.
*/
reg = omap4_ctrl_pad_readl(control_pbias_offset);
reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
OMAP4_MMC1_PWRDNZ_MASK |
OMAP4_MMC1_PBIASLITE_VMODE_MASK);
omap4_ctrl_pad_writel(reg, control_pbias_offset);
}

static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
int power_on, int vdd)
{
u32 reg;
unsigned long timeout;

if (power_on) {
reg = omap4_ctrl_pad_readl(control_pbias_offset);
reg |= OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK;
if ((1 << vdd) <= MMC_VDD_165_195)
reg &= ~OMAP4_MMC1_PBIASLITE_VMODE_MASK;
else
reg |= OMAP4_MMC1_PBIASLITE_VMODE_MASK;
reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
OMAP4_MMC1_PWRDNZ_MASK);
omap4_ctrl_pad_writel(reg, control_pbias_offset);

timeout = jiffies + msecs_to_jiffies(5);
do {
reg = omap4_ctrl_pad_readl(control_pbias_offset);
if (!(reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK))
break;
usleep_range(100, 200);
} while (!time_after(jiffies, timeout));

if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK) {
pr_err("Pbias Voltage is not same as LDO\n");
/* Caution : On VMODE_ERROR Power Down MMC IO */
reg &= ~(OMAP4_MMC1_PWRDNZ_MASK);
omap4_ctrl_pad_writel(reg, control_pbias_offset);
}
}
}

static void hsmmc2_select_input_clk_src(struct omap_mmc_platform_data *mmc)
{
u32 reg;
Expand Down Expand Up @@ -317,11 +265,7 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
mmc->slots[0].pm_caps = c->pm_caps;
mmc->slots[0].internal_clock = !c->ext_clock;
mmc->max_freq = c->max_freq;
if (cpu_is_omap44xx())
mmc->reg_offset = OMAP4_MMC_REG_OFFSET;
else
mmc->reg_offset = 0;

mmc->reg_offset = 0;
mmc->get_context_loss_count = hsmmc_get_context_loss;

mmc->slots[0].switch_pin = c->gpio_cd;
Expand Down Expand Up @@ -368,24 +312,14 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
if (!soc_is_am35xx())
mmc->slots[0].features |= HSMMC_HAS_PBIAS;

if (cpu_is_omap44xx() && (omap_rev() > OMAP4430_REV_ES1_0))
mmc->slots[0].features |= HSMMC_HAS_UPDATED_RESET;

switch (c->mmc) {
case 1:
if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {
/* on-chip level shifting via PBIAS0/PBIAS1 */
if (cpu_is_omap44xx()) {
mmc->slots[0].before_set_reg =
omap4_hsmmc1_before_set_reg;
mmc->slots[0].after_set_reg =
omap4_hsmmc1_after_set_reg;
} else {
mmc->slots[0].before_set_reg =
omap_hsmmc1_before_set_reg;
mmc->slots[0].after_set_reg =
omap_hsmmc1_after_set_reg;
}
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())
Expand Down Expand Up @@ -563,34 +497,17 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo,

void __init omap_hsmmc_init(struct omap2_hsmmc_info *controllers)
{
u32 reg;

if (omap_hsmmc_done)
return;

omap_hsmmc_done = 1;

if (!cpu_is_omap44xx()) {
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;
}
if (cpu_is_omap2430()) {
control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1;
} else {
control_pbias_offset =
OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_PBIASLITE;
control_mmc1 = OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_MMC1;
reg = omap4_ctrl_pad_readl(control_mmc1);
reg |= (OMAP4_SDMMC1_PUSTRENGTH_GRP0_MASK |
OMAP4_SDMMC1_PUSTRENGTH_GRP1_MASK);
reg &= ~(OMAP4_SDMMC1_PUSTRENGTH_GRP2_MASK |
OMAP4_SDMMC1_PUSTRENGTH_GRP3_MASK);
reg |= (OMAP4_SDMMC1_DR0_SPEEDCTRL_MASK |
OMAP4_SDMMC1_DR1_SPEEDCTRL_MASK |
OMAP4_SDMMC1_DR2_SPEEDCTRL_MASK);
omap4_ctrl_pad_writel(reg, control_mmc1);
control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
}

for (; controllers->mmc; controllers++)
Expand Down

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