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response for CID fixed

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CSD does not seem to work yet :s
This commit is contained in:
Sven Peter 2009-03-09 20:54:38 +01:00 committed by bushing
parent 0a4f721ada
commit 320f255a5c
2 changed files with 28 additions and 5 deletions
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29
sdhc.c
View File

@ -126,6 +126,7 @@
#define SD_CMD_SEND_RELATIVE_ADDR 3
#define SD_CMD_SELECT_CARD 7
#define SD_CMD_SEND_IF_COND 8
#define SD_CMD_SEND_CSD 9
#define SD_CMD_SEND_STATUS 13
#define SD_CMD_SET_BLOCKLEN 16
#define SD_CMD_READ_MULTIPLE_BLOCK 18
@ -877,7 +878,7 @@ int sd_mount(sdhci_t *sdhci)
retval = __sd_cmd(sdhci, SD_CMD_APP_SEND_OP_COND, SD_R3, sdhci->ocr, 0, NULL, resp, 6);
if(resp[0] & OCR_POWERUP_STATUS)
{
sdhc_debug(sdhci->reg_base, "card power up is done.");
sdhc_error(sdhci->reg_base, "card power up is done.");
break;
}
udelay(SDHC_WAIT_TIMEOUT_OUTER);
@ -904,7 +905,7 @@ int sd_mount(sdhci_t *sdhci)
}
sdhc_debug(sdhci->reg_base, "sending ALL_SEND_CID command to get connected card");
retval = __sd_cmd(sdhci, SD_CMD_ALL_SEND_CID, SD_R3, 0, 0, NULL, resp, 6);
retval = __sd_cmd(sdhci, SD_CMD_ALL_SEND_CID, SD_R3, 0, 0, NULL, resp, 16);
if(retval < 0)
{
sdhc_error(sdhci->reg_base, "__sd_cmd returned %d, resetting controller.", retval);
@ -912,9 +913,13 @@ int sd_mount(sdhci_t *sdhci)
return SDHC_EIO;
}
sdhci->cid = resp[0];
memcpy(sdhci->cid, resp, 128/8);
sdhc_debug(sdhci->reg_base, "CID: %08X, requesting RCA", sdhci->cid);
sdhc_debug(sdhci->reg_base, "CID: %08X%08x%08x%08x, requesting RCA",
sdhci->cid[0],
sdhci->cid[1],
sdhci->cid[2],
sdhci->cid[3]);
retval = __sd_cmd(sdhci, SD_CMD_SEND_RELATIVE_ADDR, SD_R6, 0, 0, NULL, resp, 6);
if(retval < 0)
{
@ -943,6 +948,22 @@ int sd_mount(sdhci_t *sdhci)
sd_select(sdhci);
#if 0
sdhc_debug(sdhci->reg_base, "requesting CSD noW!!");
retval = __sd_cmd(sdhci, SD_CMD_SEND_CSD, SD_R2, sdhci->rca << 16, 0, NULL, resp,
16);
if (retval < 0) {
sdhc_error(sdhci->reg_base, "failed to get CSD register (%d)", retval);
__sd_reset(sdhci, 1);
}
memcpy(sdhci->csd, resp, 128/8);
sdhc_debug(sdhci->reg_base, "CSD: %08X%08x%08x%08x",
sdhci->csd[0],
sdhci->csd[1],
sdhci->csd[2],
sdhci->csd[3]);
#endif
sdhc_debug(sdhci->reg_base, "setting bus width to 4");
__sd_write8(sdhci->reg_base + SDHC_HOST_CONTROL, __sd_read8(sdhci->reg_base + SDHC_HOST_CONTROL) | SDHC_HCR_BUSWIDTH_4);
retval = __sd_cmd(sdhci, SD_CMD_APP_SET_BUS_WIDTH, SD_R1, 2, 0, NULL, NULL, 0);

4
sdhc.h
View File

@ -21,7 +21,9 @@ typedef struct
u16 rca;
u32 ocr;
u32 cid;
u32 cid[4];
u32 csd[4];
} sdhci_t;
int sd_init(sdhci_t *sdhci, int slot);