tree moved to a better location

1 files changed, 0 insertions, 565 deletions

diff --git a/x-loader/cpu/omap3/mmc.c b/x-loader/cpu/omap3/mmc.c
deleted file mode 100644
index e0c63b0..0000000
--- a/x-loader/cpu/omap3/mmc.c
+++ /dev/null
@@ -1,565 +0,0 @@
-/*
- * (C) Copyright 2008
- * Texas Instruments, <www.ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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's version 2 of
- * the License.
- *
- * 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
- */
-
-#include <config.h>
-#include <common.h>
-#include <part.h>
-#include <fat.h>
-#include <mmc.h>
-#include <i2c.h>
-
-const unsigned short mmc_transspeed_val[15][4] = {
-	{CLKD(10, 1), CLKD(10, 10), CLKD(10, 100), CLKD(10, 1000)},
-	{CLKD(12, 1), CLKD(12, 10), CLKD(12, 100), CLKD(12, 1000)},
-	{CLKD(13, 1), CLKD(13, 10), CLKD(13, 100), CLKD(13, 1000)},
-	{CLKD(15, 1), CLKD(15, 10), CLKD(15, 100), CLKD(15, 1000)},
-	{CLKD(20, 1), CLKD(20, 10), CLKD(20, 100), CLKD(20, 1000)},
-	{CLKD(26, 1), CLKD(26, 10), CLKD(26, 100), CLKD(26, 1000)},
-	{CLKD(30, 1), CLKD(30, 10), CLKD(30, 100), CLKD(30, 1000)},
-	{CLKD(35, 1), CLKD(35, 10), CLKD(35, 100), CLKD(35, 1000)},
-	{CLKD(40, 1), CLKD(40, 10), CLKD(40, 100), CLKD(40, 1000)},
-	{CLKD(45, 1), CLKD(45, 10), CLKD(45, 100), CLKD(45, 1000)},
-	{CLKD(52, 1), CLKD(52, 10), CLKD(52, 100), CLKD(52, 1000)},
-	{CLKD(55, 1), CLKD(55, 10), CLKD(55, 100), CLKD(55, 1000)},
-	{CLKD(60, 1), CLKD(60, 10), CLKD(60, 100), CLKD(60, 1000)},
-	{CLKD(70, 1), CLKD(70, 10), CLKD(70, 100), CLKD(70, 1000)},
-	{CLKD(80, 1), CLKD(80, 10), CLKD(80, 100), CLKD(80, 1000)}
-};
-
-mmc_card_data cur_card_data;
-static block_dev_desc_t mmc_blk_dev;
-
-block_dev_desc_t *mmc_get_dev(int dev)
-{
-	return ((block_dev_desc_t *) &mmc_blk_dev);
-}
-
-void twl4030_mmc_config(void)
-{
-	unsigned char data;
-
-	data = 0x20;
-	i2c_write(0x4B, 0x82, 1, &data, 1);
-	data = 0x2;
-	i2c_write(0x4B, 0x85, 1, &data, 1);
-}
-
-unsigned char mmc_board_init(void)
-{
-	unsigned int value = 0;
-
-	twl4030_mmc_config();
-
-	value = CONTROL_PBIAS_LITE;
-	CONTROL_PBIAS_LITE = value | (1 << 2) | (1 << 1) | (1 << 9);
-
-	value = CONTROL_DEV_CONF0;
-	CONTROL_DEV_CONF0 = value | (1 << 24);
-
-	return 1;
-}
-
-void mmc_init_stream(void)
-{
-	volatile unsigned int mmc_stat;
-
-	OMAP_HSMMC_CON |= INIT_INITSTREAM;
-
-	OMAP_HSMMC_CMD = MMC_CMD0;
-	do {
-		mmc_stat = OMAP_HSMMC_STAT;
-	} while (!(mmc_stat & CC_MASK));
-
-	OMAP_HSMMC_STAT = CC_MASK;
-
-	OMAP_HSMMC_CMD = MMC_CMD0;
-	do {
-		mmc_stat = OMAP_HSMMC_STAT;
-	} while (!(mmc_stat & CC_MASK));
-
-	OMAP_HSMMC_STAT = OMAP_HSMMC_STAT;
-	OMAP_HSMMC_CON &= ~INIT_INITSTREAM;
-}
-
-unsigned char mmc_clock_config(unsigned int iclk, unsigned short clk_div)
-{
-	unsigned int val;
-
-	mmc_reg_out(OMAP_HSMMC_SYSCTL, (ICE_MASK | DTO_MASK | CEN_MASK),
-		    (ICE_STOP | DTO_15THDTO | CEN_DISABLE));
-
-	switch (iclk) {
-	case CLK_INITSEQ:
-		val = MMC_INIT_SEQ_CLK / 2;
-		break;
-	case CLK_400KHZ:
-		val = MMC_400kHz_CLK;
-		break;
-	case CLK_MISC:
-		val = clk_div;
-		break;
-	default:
-		return 0;
-	}
-	mmc_reg_out(OMAP_HSMMC_SYSCTL,
-		    ICE_MASK | CLKD_MASK, (val << CLKD_OFFSET) | ICE_OSCILLATE);
-
-	while ((OMAP_HSMMC_SYSCTL & ICS_MASK) == ICS_NOTREADY) {
-	}
-
-	OMAP_HSMMC_SYSCTL |= CEN_ENABLE;
-	return 1;
-}
-
-unsigned char mmc_init_setup(void)
-{
-	unsigned int reg_val;
-
-	mmc_board_init();
-
-	OMAP_HSMMC_SYSCONFIG |= MMC_SOFTRESET;
-	while ((OMAP_HSMMC_SYSSTATUS & RESETDONE) == 0) ;
-
-	OMAP_HSMMC_SYSCTL |= SOFTRESETALL;
-	while ((OMAP_HSMMC_SYSCTL & SOFTRESETALL) != 0x0) ;
-
-	OMAP_HSMMC_HCTL = DTW_1_BITMODE | SDBP_PWROFF | SDVS_3V0;
-	OMAP_HSMMC_CAPA |= VS30_3V0SUP | VS18_1V8SUP;
-
-	reg_val = OMAP_HSMMC_CON & RESERVED_MASK;
-
-	OMAP_HSMMC_CON = CTPL_MMC_SD | reg_val | WPP_ACTIVEHIGH |
-	    CDP_ACTIVEHIGH | MIT_CTO | DW8_1_4BITMODE | MODE_FUNC |
-	    STR_BLOCK | HR_NOHOSTRESP | INIT_NOINIT | NOOPENDRAIN;
-
-	mmc_clock_config(CLK_INITSEQ, 0);
-	OMAP_HSMMC_HCTL |= SDBP_PWRON;
-
-	OMAP_HSMMC_IE = 0x307f0033;
-
-	mmc_init_stream();
-	return 1;
-}
-
-unsigned char mmc_send_cmd(unsigned int cmd, unsigned int arg,
-			   unsigned int *response)
-{
-	volatile unsigned int mmc_stat;
-
-	while ((OMAP_HSMMC_PSTATE & DATI_MASK) == DATI_CMDDIS) {
-	}
-
-	OMAP_HSMMC_BLK = BLEN_512BYTESLEN | NBLK_STPCNT;
-	OMAP_HSMMC_STAT = 0xFFFFFFFF;
-	OMAP_HSMMC_ARG = arg;
-	OMAP_HSMMC_CMD = cmd | CMD_TYPE_NORMAL | CICE_NOCHECK |
-	    CCCE_NOCHECK | MSBS_SGLEBLK | ACEN_DISABLE | BCE_DISABLE |
-	    DE_DISABLE;
-
-	while (1) {
-		do {
-			mmc_stat = OMAP_HSMMC_STAT;
-		} while (mmc_stat == 0);
-
-		if ((mmc_stat & ERRI_MASK) != 0)
-			return (unsigned char) mmc_stat;
-
-		if (mmc_stat & CC_MASK) {
-			OMAP_HSMMC_STAT = CC_MASK;
-			response[0] = OMAP_HSMMC_RSP10;
-			if ((cmd & RSP_TYPE_MASK) == RSP_TYPE_LGHT136) {
-				response[1] = OMAP_HSMMC_RSP32;
-				response[2] = OMAP_HSMMC_RSP54;
-				response[3] = OMAP_HSMMC_RSP76;
-			}
-			break;
-		}
-	}
-	return 1;
-}
-
-unsigned char mmc_read_data(unsigned int *output_buf)
-{
-	volatile unsigned int mmc_stat;
-	unsigned int read_count = 0;
-
-	/*
-	 * Start Polled Read
-	 */
-	while (1) {
-		do {
-			mmc_stat = OMAP_HSMMC_STAT;
-		} while (mmc_stat == 0);
-
-		if ((mmc_stat & ERRI_MASK) != 0)
-			return (unsigned char) mmc_stat;
-
-		if (mmc_stat & BRR_MASK) {
-			unsigned int k;
-
-			OMAP_HSMMC_STAT |= BRR_MASK;
-			for (k = 0; k < MMCSD_SECTOR_SIZE / 4; k++) {
-				*output_buf = OMAP_HSMMC_DATA;
-				output_buf++;
-				read_count += 4;
-			}
-		}
-
-		if (mmc_stat & BWR_MASK)
-			OMAP_HSMMC_STAT |= BWR_MASK;
-
-		if (mmc_stat & TC_MASK) {
-			OMAP_HSMMC_STAT |= TC_MASK;
-			break;
-		}
-	}
-	return 1;
-}
-
-unsigned char mmc_detect_card(mmc_card_data *mmc_card_cur)
-{
-	unsigned char err;
-	unsigned int argument = 0;
-	unsigned int ocr_value, ocr_recvd, ret_cmd41, hcs_val;
-	unsigned int resp[4];
-	unsigned short retry_cnt = 2000;
-
-	/* Set to Initialization Clock */
-	err = mmc_clock_config(CLK_400KHZ, 0);
-	if (err != 1)
-		return err;
-
-	mmc_card_cur->RCA = MMC_RELATIVE_CARD_ADDRESS;
-	argument = 0x00000000;
-
-	ocr_value = (0x1FF << 15);
-	err = mmc_send_cmd(MMC_CMD0, argument, resp);
-	if (err != 1)
-		return err;
-
-	argument = SD_CMD8_CHECK_PATTERN | SD_CMD8_2_7_3_6_V_RANGE;
-	err = mmc_send_cmd(MMC_SDCMD8, argument, resp);
-	hcs_val = (err == 1) ?
-	    MMC_OCR_REG_HOST_CAPACITY_SUPPORT_SECTOR :
-	    MMC_OCR_REG_HOST_CAPACITY_SUPPORT_BYTE;
-
-	argument = 0x0000 << 16;
-	err = mmc_send_cmd(MMC_CMD55, argument, resp);
-	if (err == 1) {
-		mmc_card_cur->card_type = SD_CARD;
-		ocr_value |= hcs_val;
-		ret_cmd41 = MMC_ACMD41;
-	} else {
-		mmc_card_cur->card_type = MMC_CARD;
-		ocr_value |= MMC_OCR_REG_ACCESS_MODE_SECTOR;
-		ret_cmd41 = MMC_CMD1;
-		OMAP_HSMMC_CON &= ~OD;
-		OMAP_HSMMC_CON |= OPENDRAIN;
-	}
-
-	argument = ocr_value;
-	err = mmc_send_cmd(ret_cmd41, argument, resp);
-	if (err != 1)
-		return err;
-
-	ocr_recvd = ((mmc_resp_r3 *) resp)->ocr;
-
-	while (!(ocr_recvd & (0x1 << 31)) && (retry_cnt > 0)) {
-		retry_cnt--;
-		if (mmc_card_cur->card_type == SD_CARD) {
-			argument = 0x0000 << 16;
-			err = mmc_send_cmd(MMC_CMD55, argument, resp);
-		}
-
-		argument = ocr_value;
-		err = mmc_send_cmd(ret_cmd41, argument, resp);
-		if (err != 1)
-			return err;
-		ocr_recvd = ((mmc_resp_r3 *) resp)->ocr;
-	}
-
-	if (!(ocr_recvd & (0x1 << 31)))
-		return 0;
-
-	if (mmc_card_cur->card_type == MMC_CARD) {
-		if ((ocr_recvd & MMC_OCR_REG_ACCESS_MODE_MASK) ==
-		    MMC_OCR_REG_ACCESS_MODE_SECTOR) {
-			mmc_card_cur->mode = SECTOR_MODE;
-		} else {
-			mmc_card_cur->mode = BYTE_MODE;
-		}
-
-		ocr_recvd &= ~MMC_OCR_REG_ACCESS_MODE_MASK;
-	} else {
-		if ((ocr_recvd & MMC_OCR_REG_HOST_CAPACITY_SUPPORT_MASK)
-		    == MMC_OCR_REG_HOST_CAPACITY_SUPPORT_SECTOR) {
-			mmc_card_cur->mode = SECTOR_MODE;
-		} else {
-			mmc_card_cur->mode = BYTE_MODE;
-		}
-		ocr_recvd &= ~MMC_OCR_REG_HOST_CAPACITY_SUPPORT_MASK;
-	}
-
-	ocr_recvd &= ~(0x1 << 31);
-	if (!(ocr_recvd & ocr_value))
-		return 0;
-
-	err = mmc_send_cmd(MMC_CMD2, argument, resp);
-	if (err != 1)
-		return err;
-
-	if (mmc_card_cur->card_type == MMC_CARD) {
-		argument = mmc_card_cur->RCA << 16;
-		err = mmc_send_cmd(MMC_CMD3, argument, resp);
-		if (err != 1)
-			return err;
-	} else {
-		argument = 0x00000000;
-		err = mmc_send_cmd(MMC_SDCMD3, argument, resp);
-		if (err != 1)
-			return err;
-
-		mmc_card_cur->RCA = ((mmc_resp_r6 *) resp)->newpublishedrca;
-	}
-
-	OMAP_HSMMC_CON &= ~OD;
-	OMAP_HSMMC_CON |= NOOPENDRAIN;
-	return 1;
-}
-
-unsigned char mmc_read_cardsize(mmc_card_data *mmc_dev_data,
-				mmc_csd_reg_t *cur_csd)
-{
-	mmc_extended_csd_reg_t ext_csd;
-	unsigned int size, count, blk_len, blk_no, card_size, argument;
-	unsigned char err;
-	unsigned int resp[4];
-
-	if (mmc_dev_data->mode == SECTOR_MODE) {
-		if (mmc_dev_data->card_type == SD_CARD) {
-			card_size =
-			    (((mmc_sd2_csd_reg_t *) cur_csd)->
-			     c_size_lsb & MMC_SD2_CSD_C_SIZE_LSB_MASK) |
-			    ((((mmc_sd2_csd_reg_t *) cur_csd)->
-			      c_size_msb & MMC_SD2_CSD_C_SIZE_MSB_MASK)
-			     << MMC_SD2_CSD_C_SIZE_MSB_OFFSET);
-			mmc_dev_data->size = card_size * 1024;
-			if (mmc_dev_data->size == 0)
-				return 0;
-		} else {
-			argument = 0x00000000;
-			err = mmc_send_cmd(MMC_CMD8, argument, resp);
-			if (err != 1)
-				return err;
-			err = mmc_read_data((unsigned int *) &ext_csd);
-			if (err != 1)
-				return err;
-			mmc_dev_data->size = ext_csd.sectorcount;
-
-			if (mmc_dev_data->size == 0)
-				mmc_dev_data->size = 8388608;
-		}
-	} else {
-		if (cur_csd->c_size_mult >= 8)
-			return 0;
-
-		if (cur_csd->read_bl_len >= 12)
-			return 0;
-
-		/* Compute size */
-		count = 1 << (cur_csd->c_size_mult + 2);
-		card_size = (cur_csd->c_size_lsb & MMC_CSD_C_SIZE_LSB_MASK) |
-		    ((cur_csd->c_size_msb & MMC_CSD_C_SIZE_MSB_MASK)
-		     << MMC_CSD_C_SIZE_MSB_OFFSET);
-		blk_no = (card_size + 1) * count;
-		blk_len = 1 << cur_csd->read_bl_len;
-		size = blk_no * blk_len;
-		mmc_dev_data->size = size / MMCSD_SECTOR_SIZE;
-		if (mmc_dev_data->size == 0)
-			return 0;
-	}
-	return 1;
-}
-
-unsigned char omap_mmc_read_sect(unsigned int start_sec, unsigned int num_bytes,
-				 mmc_card_data *mmc_c,
-				 unsigned long *output_buf)
-{
-	unsigned char err;
-	unsigned int argument;
-	unsigned int resp[4];
-	unsigned int num_sec_val =
-	    (num_bytes + (MMCSD_SECTOR_SIZE - 1)) / MMCSD_SECTOR_SIZE;
-	unsigned int sec_inc_val;
-
-	if (num_sec_val == 0)
-		return 1;
-
-	if (mmc_c->mode == SECTOR_MODE) {
-		argument = start_sec;
-		sec_inc_val = 1;
-	} else {
-		argument = start_sec * MMCSD_SECTOR_SIZE;
-		sec_inc_val = MMCSD_SECTOR_SIZE;
-	}
-
-	while (num_sec_val) {
-		err = mmc_send_cmd(MMC_CMD17, argument, resp);
-		if (err != 1)
-			return err;
-
-		err = mmc_read_data((unsigned int *) output_buf);
-		if (err != 1)
-			return err;
-
-		output_buf += (MMCSD_SECTOR_SIZE / 4);
-		argument += sec_inc_val;
-		num_sec_val--;
-	}
-	return 1;
-}
-
-unsigned char configure_mmc(mmc_card_data *mmc_card_cur)
-{
-	unsigned char ret_val;
-	unsigned int argument;
-	unsigned int resp[4];
-	unsigned int trans_clk, trans_fact, trans_unit, retries = 2;
-	mmc_csd_reg_t Card_CSD;
-	unsigned char trans_speed;
-
-	ret_val = mmc_init_setup();
-
-	if (ret_val != 1)
-		return ret_val;
-
-	do {
-		ret_val = mmc_detect_card(mmc_card_cur);
-		retries--;
-	} while ((retries > 0) && (ret_val != 1));
-
-	argument = mmc_card_cur->RCA << 16;
-	ret_val = mmc_send_cmd(MMC_CMD9, argument, resp);
-	if (ret_val != 1)
-		return ret_val;
-
-	((unsigned int *) &Card_CSD)[3] = resp[3];
-	((unsigned int *) &Card_CSD)[2] = resp[2];
-	((unsigned int *) &Card_CSD)[1] = resp[1];
-	((unsigned int *) &Card_CSD)[0] = resp[0];
-
-	if (mmc_card_cur->card_type == MMC_CARD)
-		mmc_card_cur->version = Card_CSD.spec_vers;
-
-	trans_speed = Card_CSD.tran_speed;
-
-	ret_val = mmc_send_cmd(MMC_CMD4, MMC_DSR_DEFAULT << 16, resp);
-	if (ret_val != 1)
-		return ret_val;
-
-	trans_unit = trans_speed & MMC_CSD_TRAN_SPEED_UNIT_MASK;
-	trans_fact = trans_speed & MMC_CSD_TRAN_SPEED_FACTOR_MASK;
-
-	if (trans_unit > MMC_CSD_TRAN_SPEED_UNIT_100MHZ)
-		return 0;
-
-	if ((trans_fact < MMC_CSD_TRAN_SPEED_FACTOR_1_0) ||
-	    (trans_fact > MMC_CSD_TRAN_SPEED_FACTOR_8_0))
-		return 0;
-
-	trans_unit >>= 0;
-	trans_fact >>= 3;
-
-	trans_clk = mmc_transspeed_val[trans_fact - 1][trans_unit] * 2;
-	ret_val = mmc_clock_config(CLK_MISC, trans_clk);
-
-	if (ret_val != 1)
-		return ret_val;
-
-	argument = mmc_card_cur->RCA << 16;
-	ret_val = mmc_send_cmd(MMC_CMD7_SELECT, argument, resp);
-	if (ret_val != 1)
-		return ret_val;
-
-	/* Configure the block length to 512 bytes */
-	argument = MMCSD_SECTOR_SIZE;
-	ret_val = mmc_send_cmd(MMC_CMD16, argument, resp);
-	if (ret_val != 1)
-		return ret_val;
-
-	/* get the card size in sectors */
-	ret_val = mmc_read_cardsize(mmc_card_cur, &Card_CSD);
-	if (ret_val != 1)
-		return ret_val;
-
-	return 1;
-}
-unsigned long mmc_bread(int dev_num, unsigned long blknr, lbaint_t blkcnt,
-			void *dst)
-{
-	omap_mmc_read_sect(blknr, (blkcnt * MMCSD_SECTOR_SIZE), &cur_card_data,
-			   (unsigned long *) dst);
-	return 1;
-}
-
-int mmc_init(int verbose)
-{
-	unsigned char ret;
-
-	ret = configure_mmc(&cur_card_data);
-
-	if (ret == 1) {
-		mmc_blk_dev.if_type = IF_TYPE_MMC;
-		mmc_blk_dev.part_type = PART_TYPE_DOS;
-		mmc_blk_dev.dev = 0;
-		mmc_blk_dev.lun = 0;
-		mmc_blk_dev.type = 0;
-
-		/* FIXME fill in the correct size (is set to 32MByte) */
-		mmc_blk_dev.blksz = MMCSD_SECTOR_SIZE;
-		mmc_blk_dev.lba = 0x10000;
-		mmc_blk_dev.removable = 0;
-		mmc_blk_dev.block_read = mmc_bread;
-
-		fat_register_device(&mmc_blk_dev, 1);
-		return 1;
-	}
-	else 
-		return 0;
-}
-
-int mmc_read(ulong src, uchar *dst, int size)
-{
-	return 0;
-}
-
-int mmc_write(uchar *src, ulong dst, int size)
-{
-	return 0;
-}
-
-int mmc2info(ulong addr)
-{
-	return 0;
-}