+++ /dev/null
-/*
- * (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 <fat.h>
-#include <mmc.h>
-#include <part.h>
-#include <i2c.h>
-#include <twl4030.h>
-#include <asm/io.h>
-
-#include "omap3_mmc.h"
-
-static 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)}
-};
-
-static mmc_card_data cur_card_data;
-static block_dev_desc_t mmc_blk_dev;
-static hsmmc_t *mmc_base = (hsmmc_t *)OMAP_HSMMC1_BASE;
-
-int mmc_set_dev(int dev_num)
-{
- switch (dev_num) {
- case 1:
- mmc_base = (hsmmc_t *)OMAP_HSMMC1_BASE;
- break;
- case 2:
- mmc_base = (hsmmc_t *)OMAP_HSMMC2_BASE;
- break;
- case 3:
- mmc_base = (hsmmc_t *)OMAP_HSMMC3_BASE;
- break;
- default:
- mmc_base = (hsmmc_t *)OMAP_HSMMC1_BASE;
- return 1;
- }
-
- return 0;
-}
-
-block_dev_desc_t *mmc_get_dev(int dev)
-{
- return (block_dev_desc_t *) &mmc_blk_dev;
-}
-
-static unsigned char mmc_board_init(void)
-{
-#if defined(CONFIG_TWL4030_POWER)
- twl4030_power_mmc_init();
-#endif
-
-#if defined(CONFIG_OMAP34XX)
- t2_t *t2_base = (t2_t *)T2_BASE;
- struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
-
- writel(readl(&t2_base->pbias_lite) | PBIASLITEPWRDNZ1 |
- PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
- &t2_base->pbias_lite);
-
- writel(readl(&t2_base->devconf0) | MMCSDIO1ADPCLKISEL,
- &t2_base->devconf0);
-
- writel(readl(&t2_base->devconf1) | MMCSDIO2ADPCLKISEL,
- &t2_base->devconf1);
-
- writel(readl(&prcm_base->fclken1_core) |
- EN_MMC1 | EN_MMC2 | EN_MMC3,
- &prcm_base->fclken1_core);
-
- writel(readl(&prcm_base->iclken1_core) |
- EN_MMC1 | EN_MMC2 | EN_MMC3,
- &prcm_base->iclken1_core);
-#endif
-
-/* TODO add appropriate OMAP4 init */
-
- return 1;
-}
-
-static void mmc_init_stream(void)
-{
- writel(readl(&mmc_base->con) | INIT_INITSTREAM, &mmc_base->con);
-
- writel(MMC_CMD0, &mmc_base->cmd);
- while (!(readl(&mmc_base->stat) & CC_MASK));
-
- writel(CC_MASK, &mmc_base->stat);
-
- writel(MMC_CMD0, &mmc_base->cmd);
- while (!(readl(&mmc_base->stat) & CC_MASK));
-
- writel(readl(&mmc_base->con) & ~INIT_INITSTREAM, &mmc_base->con);
-}
-
-static unsigned char mmc_clock_config(unsigned int iclk, unsigned short clk_div)
-{
- unsigned int val;
-
- mmc_reg_out(&mmc_base->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(&mmc_base->sysctl, ICE_MASK | CLKD_MASK,
- (val << CLKD_OFFSET) | ICE_OSCILLATE);
-
- while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY);
-
- writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
- return 1;
-}
-
-static unsigned char mmc_init_setup(void)
-{
- unsigned int reg_val;
-
- mmc_board_init();
-
- writel(readl(&mmc_base->sysconfig) | MMC_SOFTRESET,
- &mmc_base->sysconfig);
- while ((readl(&mmc_base->sysstatus) & RESETDONE) == 0);
-
- writel(readl(&mmc_base->sysctl) | SOFTRESETALL, &mmc_base->sysctl);
- while ((readl(&mmc_base->sysctl) & SOFTRESETALL) != 0x0);
-
- writel(DTW_1_BITMODE | SDBP_PWROFF | SDVS_3V0, &mmc_base->hctl);
- writel(readl(&mmc_base->capa) | VS30_3V0SUP | VS18_1V8SUP,
- &mmc_base->capa);
-
- reg_val = readl(&mmc_base->con) & RESERVED_MASK;
-
- writel(CTPL_MMC_SD | reg_val | WPP_ACTIVEHIGH | CDP_ACTIVEHIGH |
- MIT_CTO | DW8_1_4BITMODE | MODE_FUNC | STR_BLOCK |
- HR_NOHOSTRESP | INIT_NOINIT | NOOPENDRAIN, &mmc_base->con);
-
- mmc_clock_config(CLK_INITSEQ, 0);
- writel(readl(&mmc_base->hctl) | SDBP_PWRON, &mmc_base->hctl);
-
- writel(IE_BADA | IE_CERR | IE_DEB | IE_DCRC | IE_DTO | IE_CIE |
- IE_CEB | IE_CCRC | IE_CTO | IE_BRR | IE_BWR | IE_TC | IE_CC,
- &mmc_base->ie);
-
- mmc_init_stream();
- return 1;
-}
-
-static unsigned char mmc_send_cmd(unsigned int cmd, unsigned int arg,
- unsigned int *response)
-{
- unsigned int mmc_stat;
-
- while ((readl(&mmc_base->pstate) & DATI_MASK) == DATI_CMDDIS);
-
- writel(BLEN_512BYTESLEN | NBLK_STPCNT, &mmc_base->blk);
- writel(0xFFFFFFFF, &mmc_base->stat);
- writel(arg, &mmc_base->arg);
- writel(cmd | CMD_TYPE_NORMAL | CICE_NOCHECK | CCCE_NOCHECK |
- MSBS_SGLEBLK | ACEN_DISABLE | BCE_DISABLE | DE_DISABLE,
- &mmc_base->cmd);
-
- while (1) {
- do {
- mmc_stat = readl(&mmc_base->stat);
- } while (mmc_stat == 0);
-
- if ((mmc_stat & ERRI_MASK) != 0)
- return (unsigned char) mmc_stat;
-
- if (mmc_stat & CC_MASK) {
- writel(CC_MASK, &mmc_base->stat);
- response[0] = readl(&mmc_base->rsp10);
- if ((cmd & RSP_TYPE_MASK) == RSP_TYPE_LGHT136) {
- response[1] = readl(&mmc_base->rsp32);
- response[2] = readl(&mmc_base->rsp54);
- response[3] = readl(&mmc_base->rsp76);
- }
- break;
- }
- }
- return 1;
-}
-
-static unsigned char mmc_read_data(unsigned int *output_buf)
-{
- unsigned int mmc_stat;
- unsigned int read_count = 0;
-
- /*
- * Start Polled Read
- */
- while (1) {
- do {
- mmc_stat = readl(&mmc_base->stat);
- } while (mmc_stat == 0);
-
- if ((mmc_stat & ERRI_MASK) != 0)
- return (unsigned char) mmc_stat;
-
- if (mmc_stat & BRR_MASK) {
- unsigned int k;
-
- writel(readl(&mmc_base->stat) | BRR_MASK,
- &mmc_base->stat);
- for (k = 0; k < MMCSD_SECTOR_SIZE / 4; k++) {
- *output_buf = readl(&mmc_base->data);
- output_buf++;
- read_count += 4;
- }
- }
-
- if (mmc_stat & BWR_MASK)
- writel(readl(&mmc_base->stat) | BWR_MASK,
- &mmc_base->stat);
-
- if (mmc_stat & TC_MASK) {
- writel(readl(&mmc_base->stat) | TC_MASK,
- &mmc_base->stat);
- break;
- }
- }
- return 1;
-}
-
-static 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 short retry_cnt = 2000;
- mmc_resp_t mmc_resp;
-
- /* 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, mmc_resp.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, mmc_resp.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, mmc_resp.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;
- writel(readl(&mmc_base->con) & ~OD, &mmc_base->con);
- writel(readl(&mmc_base->con) | OPENDRAIN, &mmc_base->con);
- }
-
- argument = ocr_value;
- err = mmc_send_cmd(ret_cmd41, argument, mmc_resp.resp);
- if (err != 1)
- return err;
-
- ocr_recvd = mmc_resp.r3.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, mmc_resp.resp);
- }
-
- argument = ocr_value;
- err = mmc_send_cmd(ret_cmd41, argument, mmc_resp.resp);
- if (err != 1)
- return err;
- ocr_recvd = mmc_resp.r3.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, mmc_resp.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, mmc_resp.resp);
- if (err != 1)
- return err;
- } else {
- argument = 0x00000000;
- err = mmc_send_cmd(MMC_SDCMD3, argument, mmc_resp.resp);
- if (err != 1)
- return err;
-
- mmc_card_cur->RCA = mmc_resp.r6.newpublishedrca;
- }
-
- writel(readl(&mmc_base->con) & ~OD, &mmc_base->con);
- writel(readl(&mmc_base->con) | NOOPENDRAIN, &mmc_base->con);
- return 1;
-}
-
-static 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;
-}
-
-static unsigned long mmc_bread(int dev_num, unsigned long blknr,
- lbaint_t blkcnt, void *dst)
-{
- unsigned char err;
- unsigned int argument;
- unsigned int resp[4];
- unsigned int *output_buf = dst;
- unsigned int sec_inc_val;
- lbaint_t i;
-
- if (blkcnt == 0)
- return 0;
-
- if (cur_card_data.mode == SECTOR_MODE) {
- argument = blknr;
- sec_inc_val = 1;
- } else {
- argument = blknr * MMCSD_SECTOR_SIZE;
- sec_inc_val = MMCSD_SECTOR_SIZE;
- }
-
- for (i = 0; i < blkcnt; i++) {
- err = mmc_send_cmd(MMC_CMD17, argument, resp);
- if (err != 1) {
- printf("mmc: CMD17 failed, status = %08x\n", err);
- break;
- }
-
- err = mmc_read_data(output_buf);
- if (err != 1) {
- printf("mmc: read failed, status = %08x\n", err);
- break;
- }
-
- output_buf += (MMCSD_SECTOR_SIZE / 4);
- argument += sec_inc_val;
- }
-
- return i;
-}
-
-static unsigned char configure_mmc(mmc_card_data *mmc_card_cur)
-{
- unsigned char ret_val;
- unsigned int argument;
- unsigned int trans_clk, trans_fact, trans_unit, retries = 2;
- unsigned char trans_speed;
- mmc_resp_t mmc_resp;
-
- 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, mmc_resp.resp);
- if (ret_val != 1)
- return ret_val;
-
- if (mmc_card_cur->card_type == MMC_CARD)
- mmc_card_cur->version = mmc_resp.Card_CSD.spec_vers;
-
- trans_speed = mmc_resp.Card_CSD.tran_speed;
-
- ret_val = mmc_send_cmd(MMC_CMD4, MMC_DSR_DEFAULT << 16, mmc_resp.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, mmc_resp.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, mmc_resp.resp);
- if (ret_val != 1)
- return ret_val;
-
- /* get the card size in sectors */
- ret_val = mmc_read_cardsize(mmc_card_cur, &mmc_resp.Card_CSD);
- if (ret_val != 1)
- return ret_val;
-
- return 1;
-}
-
-int mmc_legacy_init(int dev)
-{
- if (mmc_set_dev(dev) != 0)
- return 1;
-
- if (configure_mmc(&cur_card_data) != 1)
- return 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 0;
-}
+++ /dev/null
-/*
- * (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
- */
-
-#ifndef MMC_H
-#define MMC_H
-
-#include <asm/arch/mmc_host_def.h>
-
-/* Responses */
-#define RSP_TYPE_NONE (RSP_TYPE_NORSP | CCCE_NOCHECK | CICE_NOCHECK)
-#define RSP_TYPE_R1 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
-#define RSP_TYPE_R1B (RSP_TYPE_LGHT48B | CCCE_CHECK | CICE_CHECK)
-#define RSP_TYPE_R2 (RSP_TYPE_LGHT136 | CCCE_CHECK | CICE_NOCHECK)
-#define RSP_TYPE_R3 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK)
-#define RSP_TYPE_R4 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK)
-#define RSP_TYPE_R5 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
-#define RSP_TYPE_R6 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
-#define RSP_TYPE_R7 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
-
-/* All supported commands */
-#define MMC_CMD0 (INDEX(0) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD1 (INDEX(1) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD2 (INDEX(2) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD3 (INDEX(3) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_SDCMD3 (INDEX(3) | RSP_TYPE_R6 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD4 (INDEX(4) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD6 (INDEX(6) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD7_SELECT (INDEX(7) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD7_DESELECT (INDEX(7)| RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD8 (INDEX(8) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
-#define MMC_SDCMD8 (INDEX(8) | RSP_TYPE_R7 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD9 (INDEX(9) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD12 (INDEX(12) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD13 (INDEX(13) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD15 (INDEX(15) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD16 (INDEX(16) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_CMD17 (INDEX(17) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
-#define MMC_CMD24 (INDEX(24) | RSP_TYPE_R1 | DP_DATA | DDIR_WRITE)
-#define MMC_ACMD6 (INDEX(6) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_ACMD41 (INDEX(41) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE)
-#define MMC_ACMD51 (INDEX(51) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
-#define MMC_CMD55 (INDEX(55) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
-
-#define MMC_AC_CMD_RCA_MASK (unsigned int)(0xFFFF << 16)
-#define MMC_BC_CMD_DSR_MASK (unsigned int)(0xFFFF << 16)
-#define MMC_DSR_DEFAULT 0x0404
-#define SD_CMD8_CHECK_PATTERN 0xAA
-#define SD_CMD8_2_7_3_6_V_RANGE (0x01 << 8)
-
-/* Clock Configurations and Macros */
-
-#define MMC_CLOCK_REFERENCE 96
-#define MMC_RELATIVE_CARD_ADDRESS 0x1234
-#define MMC_INIT_SEQ_CLK (MMC_CLOCK_REFERENCE * 1000 / 80)
-#define MMC_400kHz_CLK (MMC_CLOCK_REFERENCE * 1000 / 400)
-#define CLKDR(r, f, u) ((((r)*100) / ((f)*(u))) + 1)
-#define CLKD(f, u) (CLKDR(MMC_CLOCK_REFERENCE, f, u))
-
-#define MMC_OCR_REG_ACCESS_MODE_MASK (0x3 << 29)
-#define MMC_OCR_REG_ACCESS_MODE_BYTE (0x0 << 29)
-#define MMC_OCR_REG_ACCESS_MODE_SECTOR (0x2 << 29)
-
-#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_MASK (0x1 << 30)
-#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_BYTE (0x0 << 30)
-#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_SECTOR (0x1 << 30)
-
-#define MMC_SD2_CSD_C_SIZE_LSB_MASK 0xFFFF
-#define MMC_SD2_CSD_C_SIZE_MSB_MASK 0x003F
-#define MMC_SD2_CSD_C_SIZE_MSB_OFFSET 16
-#define MMC_CSD_C_SIZE_LSB_MASK 0x0003
-#define MMC_CSD_C_SIZE_MSB_MASK 0x03FF
-#define MMC_CSD_C_SIZE_MSB_OFFSET 2
-
-#define MMC_CSD_TRAN_SPEED_UNIT_MASK (0x07 << 0)
-#define MMC_CSD_TRAN_SPEED_FACTOR_MASK (0x0F << 3)
-#define MMC_CSD_TRAN_SPEED_UNIT_100MHZ (0x3 << 0)
-#define MMC_CSD_TRAN_SPEED_FACTOR_1_0 (0x01 << 3)
-#define MMC_CSD_TRAN_SPEED_FACTOR_8_0 (0x0F << 3)
-
-typedef struct {
- unsigned not_used:1;
- unsigned crc:7;
- unsigned ecc:2;
- unsigned file_format:2;
- unsigned tmp_write_protect:1;
- unsigned perm_write_protect:1;
- unsigned copy:1;
- unsigned file_format_grp:1;
- unsigned content_prot_app:1;
- unsigned reserved_1:4;
- unsigned write_bl_partial:1;
- unsigned write_bl_len:4;
- unsigned r2w_factor:3;
- unsigned default_ecc:2;
- unsigned wp_grp_enable:1;
- unsigned wp_grp_size:5;
- unsigned erase_grp_mult:5;
- unsigned erase_grp_size:5;
- unsigned c_size_mult:3;
- unsigned vdd_w_curr_max:3;
- unsigned vdd_w_curr_min:3;
- unsigned vdd_r_curr_max:3;
- unsigned vdd_r_curr_min:3;
- unsigned c_size_lsb:2;
- unsigned c_size_msb:10;
- unsigned reserved_2:2;
- unsigned dsr_imp:1;
- unsigned read_blk_misalign:1;
- unsigned write_blk_misalign:1;
- unsigned read_bl_partial:1;
- unsigned read_bl_len:4;
- unsigned ccc:12;
- unsigned tran_speed:8;
- unsigned nsac:8;
- unsigned taac:8;
- unsigned reserved_3:2;
- unsigned spec_vers:4;
- unsigned csd_structure:2;
-} mmc_csd_reg_t;
-
-/* csd for sd2.0 */
-typedef struct {
- unsigned not_used:1;
- unsigned crc:7;
- unsigned reserved_1:2;
- unsigned file_format:2;
- unsigned tmp_write_protect:1;
- unsigned perm_write_protect:1;
- unsigned copy:1;
- unsigned file_format_grp:1;
- unsigned reserved_2:5;
- unsigned write_bl_partial:1;
- unsigned write_bl_len:4;
- unsigned r2w_factor:3;
- unsigned reserved_3:2;
- unsigned wp_grp_enable:1;
- unsigned wp_grp_size:7;
- unsigned sector_size:7;
- unsigned erase_blk_len:1;
- unsigned reserved_4:1;
- unsigned c_size_lsb:16;
- unsigned c_size_msb:6;
- unsigned reserved_5:6;
- unsigned dsr_imp:1;
- unsigned read_blk_misalign:1;
- unsigned write_blk_misalign:1;
- unsigned read_bl_partial:1;
- unsigned read_bl_len:4;
- unsigned ccc:12;
- unsigned tran_speed:8;
- unsigned nsac:8;
- unsigned taac:8;
- unsigned reserved_6:6;
- unsigned csd_structure:2;
-} mmc_sd2_csd_reg_t;
-
-/* extended csd - 512 bytes long */
-typedef struct {
- unsigned char reserved_1[181];
- unsigned char erasedmemorycontent;
- unsigned char reserved_2;
- unsigned char buswidthmode;
- unsigned char reserved_3;
- unsigned char highspeedinterfacetiming;
- unsigned char reserved_4;
- unsigned char powerclass;
- unsigned char reserved_5;
- unsigned char commandsetrevision;
- unsigned char reserved_6;
- unsigned char commandset;
- unsigned char extendedcsdrevision;
- unsigned char reserved_7;
- unsigned char csdstructureversion;
- unsigned char reserved_8;
- unsigned char cardtype;
- unsigned char reserved_9[3];
- unsigned char powerclass_52mhz_1_95v;
- unsigned char powerclass_26mhz_1_95v;
- unsigned char powerclass_52mhz_3_6v;
- unsigned char powerclass_26mhz_3_6v;
- unsigned char reserved_10;
- unsigned char minreadperf_4b_26mhz;
- unsigned char minwriteperf_4b_26mhz;
- unsigned char minreadperf_8b_26mhz_4b_52mhz;
- unsigned char minwriteperf_8b_26mhz_4b_52mhz;
- unsigned char minreadperf_8b_52mhz;
- unsigned char minwriteperf_8b_52mhz;
- unsigned char reserved_11;
- unsigned int sectorcount;
- unsigned char reserved_12[288];
- unsigned char supportedcommandsets;
- unsigned char reserved_13[7];
-} mmc_extended_csd_reg_t;
-
-/* mmc sd responce */
-typedef struct {
- unsigned int ocr;
-} mmc_resp_r3;
-
-typedef struct {
- unsigned short cardstatus;
- unsigned short newpublishedrca;
-} mmc_resp_r6;
-
-typedef union {
- unsigned int resp[4];
- mmc_resp_r3 r3;
- mmc_resp_r6 r6;
- mmc_csd_reg_t Card_CSD;
-} mmc_resp_t;
-
-#endif /* MMC_H */
projects / platform / kernel / u-boot.git / commitdiff