#include <i2c.h>
#include <twl4030.h>
#include <asm/io.h>
-#include <asm/arch/mmc.h>
-const unsigned short mmc_transspeed_val[15][4] = {
+#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(80, 1), CLKD(80, 10), CLKD(80, 100), CLKD(80, 1000)}
};
-mmc_card_data cur_card_data;
+static 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;
+
+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;
}
-unsigned char mmc_board_init(void)
+static unsigned char mmc_board_init(void)
{
- t2_t *t2_base = (t2_t *)T2_BASE;
-
+#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,
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;
}
-void mmc_init_stream(void)
+static void mmc_init_stream(void)
{
writel(readl(&mmc_base->con) | INIT_INITSTREAM, &mmc_base->con);
writel(readl(&mmc_base->con) & ~INIT_INITSTREAM, &mmc_base->con);
}
-unsigned char mmc_clock_config(unsigned int iclk, unsigned short clk_div)
+static unsigned char mmc_clock_config(unsigned int iclk, unsigned short clk_div)
{
unsigned int val;
return 1;
}
-unsigned char mmc_init_setup(void)
+static unsigned char mmc_init_setup(void)
{
unsigned int reg_val;
return 1;
}
-unsigned char mmc_send_cmd(unsigned int cmd, unsigned int arg,
+static unsigned char mmc_send_cmd(unsigned int cmd, unsigned int arg,
unsigned int *response)
{
unsigned int mmc_stat;
return 1;
}
-unsigned char mmc_read_data(unsigned int *output_buf)
+static unsigned char mmc_read_data(unsigned int *output_buf)
{
unsigned int mmc_stat;
unsigned int read_count = 0;
return 1;
}
-unsigned char mmc_detect_card(mmc_card_data *mmc_card_cur)
+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 int resp[4];
unsigned short retry_cnt = 2000;
+ mmc_resp_t mmc_resp;
/* Set to Initialization Clock */
err = mmc_clock_config(CLK_400KHZ, 0);
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;
}
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)))
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);
return 1;
}
-unsigned char mmc_read_cardsize(mmc_card_data *mmc_dev_data,
+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;
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)
+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 num_sec_val =
- (num_bytes + (MMCSD_SECTOR_SIZE - 1)) / MMCSD_SECTOR_SIZE;
+ unsigned int *output_buf = dst;
unsigned int sec_inc_val;
+ lbaint_t i;
- if (num_sec_val == 0)
- return 1;
+ if (blkcnt == 0)
+ return 0;
- if (mmc_c->mode == SECTOR_MODE) {
- argument = start_sec;
+ if (cur_card_data.mode == SECTOR_MODE) {
+ argument = blknr;
sec_inc_val = 1;
} else {
- argument = start_sec * MMCSD_SECTOR_SIZE;
+ argument = blknr * MMCSD_SECTOR_SIZE;
sec_inc_val = MMCSD_SECTOR_SIZE;
}
- while (num_sec_val) {
+ for (i = 0; i < blkcnt; i++) {
err = mmc_send_cmd(MMC_CMD17, argument, resp);
- if (err != 1)
- return err;
+ if (err != 1) {
+ printf("mmc: CMD17 failed, status = %08x\n", err);
+ break;
+ }
- err = mmc_read_data((unsigned int *) output_buf);
- if (err != 1)
- return err;
+ 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;
- num_sec_val--;
}
- return 1;
+
+ return i;
}
-unsigned char configure_mmc(mmc_card_data *mmc_card_cur)
+static 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();
} 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;
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;
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_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;