X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fmmc%2Fomap3_mmc.c;h=9506cca21816bd063faf04c70a51d490b33159a3;hb=b6c208ab1ebc2ac01e0029b8456210617ff67156;hp=e90db7ee3378c42efc6f0e292563ad9987b420da;hpb=ea393eb1d6a786fc2e895f90abb5f7e7541aef45;p=u-boot diff --git a/drivers/mmc/omap3_mmc.c b/drivers/mmc/omap3_mmc.c index e90db7ee33..9506cca218 100644 --- a/drivers/mmc/omap3_mmc.c +++ b/drivers/mmc/omap3_mmc.c @@ -28,8 +28,10 @@ #include #include #include +#include #include -#include + +#include "omap3_mmc.h" const unsigned short mmc_transspeed_val[15][4] = { {CLKD(10, 1), CLKD(10, 10), CLKD(10, 100), CLKD(10, 1000)}, @@ -51,28 +53,42 @@ const unsigned short mmc_transspeed_val[15][4] = { mmc_card_data cur_card_data; static block_dev_desc_t mmc_blk_dev; -static hsmmc_t *mmc_base = (hsmmc_t *)OMAP_HSMMC_BASE; +static hsmmc_t *mmc_base = (hsmmc_t *)OMAP_HSMMC1_BASE; -block_dev_desc_t *mmc_get_dev(int dev) +int mmc_set_dev(int dev_num) { - return (block_dev_desc_t *) &mmc_blk_dev; + 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; } -void twl4030_mmc_config(void) +block_dev_desc_t *mmc_get_dev(int dev) { - unsigned char data; - - data = DEV_GRP_P1; - i2c_write(PWRMGT_ADDR_ID4, VMMC1_DEV_GRP, 1, &data, 1); - data = VMMC1_VSEL_30; - i2c_write(PWRMGT_ADDR_ID4, VMMC1_DEDICATED, 1, &data, 1); + return (block_dev_desc_t *) &mmc_blk_dev; } unsigned char mmc_board_init(void) { - t2_t *t2_base = (t2_t *)T2_BASE; +#if defined(CONFIG_TWL4030_POWER) + twl4030_power_mmc_init(); +#endif - twl4030_mmc_config(); +#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, @@ -81,6 +97,20 @@ unsigned char mmc_board_init(void) 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; } @@ -244,8 +274,8 @@ 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; + mmc_resp_t mmc_resp; /* Set to Initialization Clock */ err = mmc_clock_config(CLK_400KHZ, 0); @@ -256,18 +286,18 @@ unsigned char mmc_detect_card(mmc_card_data *mmc_card_cur) argument = 0x00000000; ocr_value = (0x1FF << 15); - err = mmc_send_cmd(MMC_CMD0, argument, resp); + 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, resp); + 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, resp); + err = mmc_send_cmd(MMC_CMD55, argument, mmc_resp.resp); if (err == 1) { mmc_card_cur->card_type = SD_CARD; ocr_value |= hcs_val; @@ -281,24 +311,24 @@ unsigned char mmc_detect_card(mmc_card_data *mmc_card_cur) } argument = ocr_value; - err = mmc_send_cmd(ret_cmd41, argument, resp); + err = mmc_send_cmd(ret_cmd41, argument, mmc_resp.resp); if (err != 1) return err; - ocr_recvd = ((mmc_resp_r3 *) resp)->ocr; + 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, resp); + err = mmc_send_cmd(MMC_CMD55, argument, mmc_resp.resp); } argument = ocr_value; - err = mmc_send_cmd(ret_cmd41, argument, resp); + err = mmc_send_cmd(ret_cmd41, argument, mmc_resp.resp); if (err != 1) return err; - ocr_recvd = ((mmc_resp_r3 *) resp)->ocr; + ocr_recvd = mmc_resp.r3.ocr; } if (!(ocr_recvd & (0x1 << 31))) @@ -327,22 +357,22 @@ unsigned char mmc_detect_card(mmc_card_data *mmc_card_cur) if (!(ocr_recvd & ocr_value)) return 0; - err = mmc_send_cmd(MMC_CMD2, argument, resp); + 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, resp); + 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, resp); + err = mmc_send_cmd(MMC_SDCMD3, argument, mmc_resp.resp); if (err != 1) return err; - mmc_card_cur->RCA = ((mmc_resp_r6 *) resp)->newpublishedrca; + mmc_card_cur->RCA = mmc_resp.r6.newpublishedrca; } writel(readl(&mmc_base->con) & ~OD, &mmc_base->con); @@ -446,10 +476,9 @@ 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; + mmc_resp_t mmc_resp; ret_val = mmc_init_setup(); @@ -462,21 +491,16 @@ unsigned char configure_mmc(mmc_card_data *mmc_card_cur) } while ((retries > 0) && (ret_val != 1)); argument = mmc_card_cur->RCA << 16; - ret_val = mmc_send_cmd(MMC_CMD9, argument, resp); + ret_val = mmc_send_cmd(MMC_CMD9, argument, mmc_resp.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; + mmc_card_cur->version = mmc_resp.Card_CSD.spec_vers; - trans_speed = Card_CSD.tran_speed; + trans_speed = mmc_resp.Card_CSD.tran_speed; - ret_val = mmc_send_cmd(MMC_CMD4, MMC_DSR_DEFAULT << 16, resp); + ret_val = mmc_send_cmd(MMC_CMD4, MMC_DSR_DEFAULT << 16, mmc_resp.resp); if (ret_val != 1) return ret_val; @@ -500,18 +524,18 @@ unsigned char configure_mmc(mmc_card_data *mmc_card_cur) return ret_val; argument = mmc_card_cur->RCA << 16; - ret_val = mmc_send_cmd(MMC_CMD7_SELECT, argument, resp); + 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, resp); + 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, &Card_CSD); + ret_val = mmc_read_cardsize(mmc_card_cur, &mmc_resp.Card_CSD); if (ret_val != 1) return ret_val; @@ -525,8 +549,11 @@ unsigned long mmc_bread(int dev_num, unsigned long blknr, lbaint_t blkcnt, return 1; } -int mmc_legacy_init(int verbose) +int mmc_legacy_init(int dev) { + if (mmc_set_dev(dev) != 0) + return 1; + if (configure_mmc(&cur_card_data) != 1) return 1;