diff options
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/tegra_mmc.c | 34 | ||||
-rw-r--r-- | drivers/mmc/tegra_mmc.h | 131 |
2 files changed, 17 insertions, 148 deletions
diff --git a/drivers/mmc/tegra_mmc.c b/drivers/mmc/tegra_mmc.c index ddfa727..ca8fad8 100644 --- a/drivers/mmc/tegra_mmc.c +++ b/drivers/mmc/tegra_mmc.c @@ -25,7 +25,7 @@ #include <asm/io.h> #include <asm/arch/clk_rst.h> #include <asm/arch/clock.h> -#include "tegra_mmc.h" +#include <asm/arch/tegra_mmc.h> /* support 4 mmc hosts */ struct mmc mmc_dev[4]; @@ -39,31 +39,31 @@ struct mmc_host mmc_host[4]; * @param host Structure to fill in (base, reg, mmc_id) * @param dev_index Device index (0-3) */ -static void tegra20_get_setup(struct mmc_host *host, int dev_index) +static void tegra_get_setup(struct mmc_host *host, int dev_index) { - debug("tegra20_get_base_mmc: dev_index = %d\n", dev_index); + debug("tegra_get_setup: dev_index = %d\n", dev_index); switch (dev_index) { case 1: - host->base = TEGRA20_SDMMC3_BASE; + host->base = TEGRA_SDMMC3_BASE; host->mmc_id = PERIPH_ID_SDMMC3; break; case 2: - host->base = TEGRA20_SDMMC2_BASE; + host->base = TEGRA_SDMMC2_BASE; host->mmc_id = PERIPH_ID_SDMMC2; break; case 3: - host->base = TEGRA20_SDMMC1_BASE; + host->base = TEGRA_SDMMC1_BASE; host->mmc_id = PERIPH_ID_SDMMC1; break; case 0: default: - host->base = TEGRA20_SDMMC4_BASE; + host->base = TEGRA_SDMMC4_BASE; host->mmc_id = PERIPH_ID_SDMMC4; break; } - host->reg = (struct tegra20_mmc *)host->base; + host->reg = (struct tegra_mmc *)host->base; } static void mmc_prepare_data(struct mmc_host *host, struct mmc_data *data) @@ -345,7 +345,7 @@ static void mmc_change_clock(struct mmc_host *host, uint clock) debug(" mmc_change_clock called\n"); /* - * Change Tegra20 SDMMCx clock divisor here. Source is 216MHz, + * Change Tegra SDMMCx clock divisor here. Source is 216MHz, * PLLP_OUT0 */ if (clock == 0) @@ -494,11 +494,11 @@ static int mmc_core_init(struct mmc *mmc) return 0; } -int tegra20_mmc_getcd(struct mmc *mmc) +int tegra_mmc_getcd(struct mmc *mmc) { struct mmc_host *host = (struct mmc_host *)mmc->priv; - debug("tegra20_mmc_getcd called\n"); + debug("tegra_mmc_getcd called\n"); if (host->cd_gpio >= 0) return !gpio_get_value(host->cd_gpio); @@ -506,13 +506,13 @@ int tegra20_mmc_getcd(struct mmc *mmc) return 1; } -int tegra20_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio) +int tegra_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio) { struct mmc_host *host; char gpusage[12]; /* "SD/MMCn PWR" or "SD/MMCn CD" */ struct mmc *mmc; - debug(" tegra20_mmc_init: index %d, bus width %d " + debug(" tegra_mmc_init: index %d, bus width %d " "pwr_gpio %d cd_gpio %d\n", dev_index, bus_width, pwr_gpio, cd_gpio); @@ -521,7 +521,7 @@ int tegra20_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio) host->clock = 0; host->pwr_gpio = pwr_gpio; host->cd_gpio = cd_gpio; - tegra20_get_setup(host, dev_index); + tegra_get_setup(host, dev_index); clock_start_periph_pll(host->mmc_id, CLOCK_ID_PERIPH, 20000000); @@ -539,12 +539,12 @@ int tegra20_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio) mmc = &mmc_dev[dev_index]; - sprintf(mmc->name, "Tegra20 SD/MMC"); + sprintf(mmc->name, "Tegra SD/MMC"); mmc->priv = host; mmc->send_cmd = mmc_send_cmd; mmc->set_ios = mmc_set_ios; mmc->init = mmc_core_init; - mmc->getcd = tegra20_mmc_getcd; + mmc->getcd = tegra_mmc_getcd; mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; if (bus_width == 8) @@ -559,7 +559,7 @@ int tegra20_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio) * max freq is highest HS eMMC clock as per the SD/MMC spec * (actually 52MHz) * Both of these are the closest equivalents w/216MHz source - * clock and Tegra20 SDMMC divisors. + * clock and Tegra SDMMC divisors. */ mmc->f_min = 375000; mmc->f_max = 48000000; diff --git a/drivers/mmc/tegra_mmc.h b/drivers/mmc/tegra_mmc.h deleted file mode 100644 index b1f2564..0000000 --- a/drivers/mmc/tegra_mmc.h +++ /dev/null @@ -1,131 +0,0 @@ -/* - * (C) Copyright 2009 SAMSUNG Electronics - * Minkyu Kang <mk7.kang@samsung.com> - * Portions Copyright (C) 2011-2012 NVIDIA Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#ifndef __TEGRA_MMC_H_ -#define __TEGRA_MMC_H_ - -#define TEGRA20_SDMMC1_BASE 0xC8000000 -#define TEGRA20_SDMMC2_BASE 0xC8000200 -#define TEGRA20_SDMMC3_BASE 0xC8000400 -#define TEGRA20_SDMMC4_BASE 0xC8000600 - -#ifndef __ASSEMBLY__ -struct tegra20_mmc { - unsigned int sysad; /* _SYSTEM_ADDRESS_0 */ - unsigned short blksize; /* _BLOCK_SIZE_BLOCK_COUNT_0 15:00 */ - unsigned short blkcnt; /* _BLOCK_SIZE_BLOCK_COUNT_0 31:16 */ - unsigned int argument; /* _ARGUMENT_0 */ - unsigned short trnmod; /* _CMD_XFER_MODE_0 15:00 xfer mode */ - unsigned short cmdreg; /* _CMD_XFER_MODE_0 31:16 cmd reg */ - unsigned int rspreg0; /* _RESPONSE_R0_R1_0 CMD RESP 31:00 */ - unsigned int rspreg1; /* _RESPONSE_R2_R3_0 CMD RESP 63:32 */ - unsigned int rspreg2; /* _RESPONSE_R4_R5_0 CMD RESP 95:64 */ - unsigned int rspreg3; /* _RESPONSE_R6_R7_0 CMD RESP 127:96 */ - unsigned int bdata; /* _BUFFER_DATA_PORT_0 */ - unsigned int prnsts; /* _PRESENT_STATE_0 */ - unsigned char hostctl; /* _POWER_CONTROL_HOST_0 7:00 */ - unsigned char pwrcon; /* _POWER_CONTROL_HOST_0 15:8 */ - unsigned char blkgap; /* _POWER_CONTROL_HOST_9 23:16 */ - unsigned char wakcon; /* _POWER_CONTROL_HOST_0 31:24 */ - unsigned short clkcon; /* _CLOCK_CONTROL_0 15:00 */ - unsigned char timeoutcon; /* _TIMEOUT_CTRL 23:16 */ - unsigned char swrst; /* _SW_RESET_ 31:24 */ - unsigned int norintsts; /* _INTERRUPT_STATUS_0 */ - unsigned int norintstsen; /* _INTERRUPT_STATUS_ENABLE_0 */ - unsigned int norintsigen; /* _INTERRUPT_SIGNAL_ENABLE_0 */ - unsigned short acmd12errsts; /* _AUTO_CMD12_ERR_STATUS_0 15:00 */ - unsigned char res1[2]; /* _RESERVED 31:16 */ - unsigned int capareg; /* _CAPABILITIES_0 */ - unsigned char res2[4]; /* RESERVED, offset 44h-47h */ - unsigned int maxcurr; /* _MAXIMUM_CURRENT_0 */ - unsigned char res3[4]; /* RESERVED, offset 4Ch-4Fh */ - unsigned short setacmd12err; /* offset 50h */ - unsigned short setinterr; /* offset 52h */ - unsigned char admaerr; /* offset 54h */ - unsigned char res4[3]; /* RESERVED, offset 55h-57h */ - unsigned long admaaddr; /* offset 58h-5Fh */ - unsigned char res5[0x9c]; /* RESERVED, offset 60h-FBh */ - unsigned short slotintstatus; /* offset FCh */ - unsigned short hcver; /* HOST Version */ - unsigned char res6[0x100]; /* RESERVED, offset 100h-1FFh */ -}; - -#define TEGRA_MMC_HOSTCTL_DMASEL_MASK (3 << 3) -#define TEGRA_MMC_HOSTCTL_DMASEL_SDMA (0 << 3) -#define TEGRA_MMC_HOSTCTL_DMASEL_ADMA2_32BIT (2 << 3) -#define TEGRA_MMC_HOSTCTL_DMASEL_ADMA2_64BIT (3 << 3) - -#define TEGRA_MMC_TRNMOD_DMA_ENABLE (1 << 0) -#define TEGRA_MMC_TRNMOD_BLOCK_COUNT_ENABLE (1 << 1) -#define TEGRA_MMC_TRNMOD_DATA_XFER_DIR_SEL_WRITE (0 << 4) -#define TEGRA_MMC_TRNMOD_DATA_XFER_DIR_SEL_READ (1 << 4) -#define TEGRA_MMC_TRNMOD_MULTI_BLOCK_SELECT (1 << 5) - -#define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_MASK (3 << 0) -#define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_NO_RESPONSE (0 << 0) -#define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_136 (1 << 0) -#define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_48 (2 << 0) -#define TEGRA_MMC_CMDREG_RESP_TYPE_SELECT_LENGTH_48_BUSY (3 << 0) - -#define TEGRA_MMC_TRNMOD_CMD_CRC_CHECK (1 << 3) -#define TEGRA_MMC_TRNMOD_CMD_INDEX_CHECK (1 << 4) -#define TEGRA_MMC_TRNMOD_DATA_PRESENT_SELECT_DATA_TRANSFER (1 << 5) - -#define TEGRA_MMC_PRNSTS_CMD_INHIBIT_CMD (1 << 0) -#define TEGRA_MMC_PRNSTS_CMD_INHIBIT_DAT (1 << 1) - -#define TEGRA_MMC_CLKCON_INTERNAL_CLOCK_ENABLE (1 << 0) -#define TEGRA_MMC_CLKCON_INTERNAL_CLOCK_STABLE (1 << 1) -#define TEGRA_MMC_CLKCON_SD_CLOCK_ENABLE (1 << 2) - -#define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_SHIFT 8 -#define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_MASK (0xff << 8) - -#define TEGRA_MMC_SWRST_SW_RESET_FOR_ALL (1 << 0) -#define TEGRA_MMC_SWRST_SW_RESET_FOR_CMD_LINE (1 << 1) -#define TEGRA_MMC_SWRST_SW_RESET_FOR_DAT_LINE (1 << 2) - -#define TEGRA_MMC_NORINTSTS_CMD_COMPLETE (1 << 0) -#define TEGRA_MMC_NORINTSTS_XFER_COMPLETE (1 << 1) -#define TEGRA_MMC_NORINTSTS_DMA_INTERRUPT (1 << 3) -#define TEGRA_MMC_NORINTSTS_ERR_INTERRUPT (1 << 15) -#define TEGRA_MMC_NORINTSTS_CMD_TIMEOUT (1 << 16) - -#define TEGRA_MMC_NORINTSTSEN_CMD_COMPLETE (1 << 0) -#define TEGRA_MMC_NORINTSTSEN_XFER_COMPLETE (1 << 1) -#define TEGRA_MMC_NORINTSTSEN_DMA_INTERRUPT (1 << 3) -#define TEGRA_MMC_NORINTSTSEN_BUFFER_WRITE_READY (1 << 4) -#define TEGRA_MMC_NORINTSTSEN_BUFFER_READ_READY (1 << 5) - -#define TEGRA_MMC_NORINTSIGEN_XFER_COMPLETE (1 << 1) - -struct mmc_host { - struct tegra20_mmc *reg; - unsigned int version; /* SDHCI spec. version */ - unsigned int clock; /* Current clock (MHz) */ - unsigned int base; /* Base address, SDMMC1/2/3/4 */ - enum periph_id mmc_id; /* Peripheral ID: PERIPH_ID_... */ - int pwr_gpio; /* Power GPIO */ - int cd_gpio; /* Change Detect GPIO */ -}; - -#endif /* __ASSEMBLY__ */ -#endif /* __TEGRA_MMC_H_ */ |