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Diffstat (limited to 'arch/arm/mach-omap2/hsmmc.c')
-rw-r--r--arch/arm/mach-omap2/hsmmc.c92
1 files changed, 54 insertions, 38 deletions
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index c8f647b6205e..34272e4863fd 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -14,11 +14,11 @@
#include <linux/string.h>
#include <linux/delay.h>
#include <mach/hardware.h>
-#include <plat/control.h>
#include <plat/mmc.h>
#include <plat/omap-pm.h>
#include "hsmmc.h"
+#include "control.h"
#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
@@ -135,10 +135,11 @@ static void omap4_hsmmc1_before_set_reg(struct device *dev, int slot,
*
* FIXME handle VMMC1A as needed ...
*/
- reg = omap_ctrl_readl(control_pbias_offset);
- reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ | OMAP4_MMC1_PWRDNZ |
- OMAP4_USBC1_ICUSB_PWRDNZ);
- omap_ctrl_writel(reg, control_pbias_offset);
+ reg = omap4_ctrl_pad_readl(control_pbias_offset);
+ reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
+ OMAP4_MMC1_PWRDNZ_MASK |
+ OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
+ omap4_ctrl_pad_writel(reg, control_pbias_offset);
}
static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
@@ -147,30 +148,33 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
u32 reg;
if (power_on) {
- reg = omap_ctrl_readl(control_pbias_offset);
- reg |= OMAP4_MMC1_PBIASLITE_PWRDNZ;
+ 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;
+ reg &= ~OMAP4_MMC1_PBIASLITE_VMODE_MASK;
else
- reg |= OMAP4_MMC1_PBIASLITE_VMODE;
- reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ | OMAP4_MMC1_PWRDNZ |
- OMAP4_USBC1_ICUSB_PWRDNZ);
- omap_ctrl_writel(reg, control_pbias_offset);
+ reg |= OMAP4_MMC1_PBIASLITE_VMODE_MASK;
+ reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
+ OMAP4_MMC1_PWRDNZ_MASK |
+ OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
+ omap4_ctrl_pad_writel(reg, control_pbias_offset);
/* 4 microsec delay for comparator to generate an error*/
udelay(4);
- reg = omap_ctrl_readl(control_pbias_offset);
- if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR) {
+ reg = omap4_ctrl_pad_readl(control_pbias_offset);
+ 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 | OMAP4_USBC1_ICUSB_PWRDNZ);
- omap_ctrl_writel(reg, control_pbias_offset);
+ reg &= ~(OMAP4_MMC1_PWRDNZ_MASK |
+ OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
+ omap4_ctrl_pad_writel(reg, control_pbias_offset);
}
} else {
- reg = omap_ctrl_readl(control_pbias_offset);
- reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ |
- OMAP4_MMC1_PBIASLITE_VMODE | OMAP4_MMC1_PWRDNZ |
- OMAP4_USBC1_ICUSB_PWRDNZ);
- omap_ctrl_writel(reg, control_pbias_offset);
+ reg = omap4_ctrl_pad_readl(control_pbias_offset);
+ reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
+ OMAP4_MMC1_PWRDNZ_MASK |
+ OMAP4_MMC1_PBIASLITE_VMODE_MASK |
+ OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
+ omap4_ctrl_pad_writel(reg, control_pbias_offset);
}
}
@@ -218,17 +222,18 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
}
} else {
- control_pbias_offset = OMAP44XX_CONTROL_PBIAS_LITE;
- control_mmc1 = OMAP44XX_CONTROL_MMC1;
- reg = omap_ctrl_readl(control_mmc1);
- reg |= (OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP0 |
- OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP1);
- reg &= ~(OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP2 |
- OMAP4_CONTROL_SDMMC1_PUSTRENGTHGRP3);
- reg |= (OMAP4_CONTROL_SDMMC1_DR0_SPEEDCTRL |
- OMAP4_CONTROL_SDMMC1_DR1_SPEEDCTRL |
- OMAP4_CONTROL_SDMMC1_DR2_SPEEDCTRL);
- omap_ctrl_writel(reg, control_mmc1);
+ 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_USBC1_DR0_SPEEDCTRL_MASK|
+ OMAP4_SDMMC1_DR1_SPEEDCTRL_MASK |
+ OMAP4_SDMMC1_DR2_SPEEDCTRL_MASK);
+ omap4_ctrl_pad_writel(reg, control_mmc1);
}
for (c = controllers; c->mmc; c++) {
@@ -258,9 +263,13 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
"mmc%islot%i", c->mmc, 1);
mmc->slots[0].name = hc->name;
mmc->nr_slots = 1;
- mmc->slots[0].wires = c->wires;
+ mmc->slots[0].caps = c->caps;
mmc->slots[0].internal_clock = !c->ext_clock;
mmc->dma_mask = 0xffffffff;
+ if (cpu_is_omap44xx())
+ mmc->reg_offset = OMAP4_MMC_REG_OFFSET;
+ else
+ mmc->reg_offset = 0;
mmc->get_context_loss_count = hsmmc_get_context_loss;
@@ -298,6 +307,9 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
else
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) {
@@ -316,16 +328,20 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
}
/* Omap3630 HSMMC1 supports only 4-bit */
- if (cpu_is_omap3630() && c->wires > 4) {
- c->wires = 4;
- mmc->slots[0].wires = c->wires;
+ 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 (c->ext_clock)
c->transceiver = 1;
- if (c->transceiver && c->wires > 4)
- c->wires = 4;
+ if (c->transceiver && (c->caps & MMC_CAP_8_BIT_DATA)) {
+ c->caps &= ~MMC_CAP_8_BIT_DATA;
+ c->caps |= MMC_CAP_4_BIT_DATA;
+ }
/* FALLTHROUGH */
case 3:
if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {