diff options
Diffstat (limited to 'arch/arm/mach-omap2/hsmmc.c')
| -rw-r--r-- | arch/arm/mach-omap2/hsmmc.c | 92 |
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) { |