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emmc: Modify txlx latest data for data6

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PD#169386: emmc: modify txlx latest data for data6

Change-Id: I5bbfa5fa7fa7641a3a532ef74f5e5450b518135c
Signed-off-by: Long Yu <long.yu@amlogic.com>
This commit is contained in:
Long Yu
2018-06-26 19:19:54 +08:00
committed by Jianxin Pan
parent 3cd92497ed
commit 3b89c036c2
2 changed files with 13 additions and 7 deletions
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2
drivers/amlogic/mmc/aml_sd_emmc.c
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@@ -3453,7 +3453,7 @@ static struct meson_mmc_data mmc_data_txlx = {
.ds_pin_poll = 0x3c,
.ds_pin_poll_en = 0x4a,
.ds_pin_poll_bit = 11,
.latest_dat = 7,
.latest_dat = 6,
.sdmmc.init.core_phase = 3,
.sdmmc.init.tx_phase = 0,
.sdmmc.init.rx_phase = 0,

18
drivers/amlogic/mmc/aml_sd_emmc_v3.c
View File

@@ -1204,7 +1204,7 @@ int aml_emmc_hs200_timming(struct mmc_host *mmc)
struct amlsd_host *host = pdata->host;
u32 count = 0, delay1 = 0, delay2 = 0;
u32 dat = host->data->latest_dat;
int ret = 0;
int ret = 0, add = 0;
ret = aml_get_data_eyetest(mmc);
if (ret) {
@@ -1216,21 +1216,27 @@ int aml_emmc_hs200_timming(struct mmc_host *mmc)
delay2 = readl(host->base + SD_EMMC_DELAY2_V3);
if (pdata->latest_dat != 0)
dat = pdata->latest_dat;
if (dat < 5)
add = (delay1 >> (dat * 6)) & 0x3f;
else
add = (delay2 >> (dat * 6)) & 0x3f;
count = fbinary(pdata->align[dat]);
if (count <= pdata->count/3)
if (count <= pdata->count/3) {
count = pdata->count/3 - count;
else if (count <= (pdata->count*2)/3)
if (add)
count += add;
} else if (count <= (pdata->count*2)/3)
count = 0;
else
count = pdata->count/2;
count = (pdata->count - count) + pdata->count/3;
delay1 = (count<<0)|(count<<6)|(count<<12)
|(count<<18)|(count<<24);
writel(delay1, (host->base + SD_EMMC_DELAY1_V3));
delay2 = (count<<0)|(count<<6)|(count<<12);
writel(delay2, (host->base + SD_EMMC_DELAY2_V3));
pr_info("delay1: 0x%x , delay2: 0x%x\n",
pr_info("delay1: 0x%x, delay2: 0x%x, add:%d\n",
readl(host->base + SD_EMMC_DELAY1_V3),
readl(host->base + SD_EMMC_DELAY2_V3));
readl(host->base + SD_EMMC_DELAY2_V3), add);
count = fbinary(pdata->align[9]);
if (count <= pdata->count/4)