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-rw-r--r--drivers/mmc/omap3_mmc.c48
-rw-r--r--drivers/net/smc911x.c14
-rw-r--r--drivers/net/smc911x.h7
3 files changed, 34 insertions, 35 deletions
diff --git a/drivers/mmc/omap3_mmc.c b/drivers/mmc/omap3_mmc.c
index 9e09434c10..513dd25b0d 100644
--- a/drivers/mmc/omap3_mmc.c
+++ b/drivers/mmc/omap3_mmc.c
@@ -235,8 +235,8 @@ 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);
@@ -247,18 +247,18 @@ 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;
@@ -272,24 +272,24 @@ 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)))
@@ -318,22 +318,22 @@ 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);
@@ -437,10 +437,9 @@ 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();
@@ -453,21 +452,16 @@ 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;
@@ -491,18 +485,18 @@ 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;
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 18a729cfbc..b106ec9732 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -146,10 +146,9 @@ static void smc911x_enable(struct eth_device *dev)
static int smc911x_init(struct eth_device *dev, bd_t * bd)
{
- printf(DRIVERNAME ": initializing\n");
+ struct chip_id *id = dev->priv;
- if (smc911x_detect_chip(dev))
- goto err_out;
+ printf(DRIVERNAME ": detected %s controller\n", id->name);
smc911x_reset(dev);
@@ -162,9 +161,6 @@ static int smc911x_init(struct eth_device *dev, bd_t * bd)
smc911x_enable(dev);
return 0;
-
-err_out:
- return -1;
}
static int smc911x_send(struct eth_device *dev,
@@ -268,6 +264,12 @@ int smc911x_initialize(u8 dev_num, int base_addr)
dev->recv = smc911x_rx;
sprintf(dev->name, "%s-%hu", DRIVERNAME, dev_num);
+ /* Try to detect chip. Will fail if not present. */
+ if (smc911x_detect_chip(dev)) {
+ free(dev);
+ return 0;
+ }
+
eth_register(dev);
return 0;
}
diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h
index 053e33016b..d5bca63d03 100644
--- a/drivers/net/smc911x.h
+++ b/drivers/net/smc911x.h
@@ -441,7 +441,10 @@ static int smc911x_detect_chip(struct eth_device *dev)
unsigned long val, i;
val = smc911x_reg_read(dev, BYTE_TEST);
- if (val != 0x87654321) {
+ if (val == 0xffffffff) {
+ /* Special case -- no chip present */
+ return -1;
+ } else if (val != 0x87654321) {
printf(DRIVERNAME ": Invalid chip endian 0x%08lx\n", val);
return -1;
}
@@ -455,7 +458,7 @@ static int smc911x_detect_chip(struct eth_device *dev)
return -1;
}
- printf(DRIVERNAME ": detected %s controller\n", chip_ids[i].name);
+ dev->priv = (void *)&chip_ids[i];
return 0;
}
generated by cgit (git 2.34.1) at 2025-02-23 13:38:04 +0000