cd_pin = sunxi_mmc_getcd_gpio(sdc_no);
if (cd_pin >= 0) {
ret = gpio_request(cd_pin, "mmc_cd");
- if (!ret)
+ if (!ret) {
+ sunxi_gpio_set_pull(cd_pin, SUNXI_GPIO_PULL_UP);
ret = gpio_direction_input(cd_pin);
+ }
}
return ret;
/* determine delays */
if (hz <= 400000) {
oclk_dly = 0;
- sclk_dly = 7;
+ sclk_dly = 0;
} else if (hz <= 25000000) {
oclk_dly = 0;
sclk_dly = 5;
+#ifdef CONFIG_MACH_SUN9I
} else if (hz <= 50000000) {
- oclk_dly = 3;
- sclk_dly = 5;
+ oclk_dly = 5;
+ sclk_dly = 4;
} else {
/* hz > 50000000 */
oclk_dly = 2;
sclk_dly = 4;
+#else
+ } else if (hz <= 50000000) {
+ oclk_dly = 3;
+ sclk_dly = 4;
+ } else {
+ /* hz > 50000000 */
+ oclk_dly = 1;
+ sclk_dly = 4;
+#endif
}
writel(CCM_MMC_CTRL_ENABLE | pll | CCM_MMC_CTRL_SCLK_DLY(sclk_dly) |
const uint32_t status_bit = reading ? SUNXI_MMC_STATUS_FIFO_EMPTY :
SUNXI_MMC_STATUS_FIFO_FULL;
unsigned i;
- unsigned byte_cnt = data->blocksize * data->blocks;
- unsigned timeout_msecs = 2000;
unsigned *buff = (unsigned int *)(reading ? data->dest : data->src);
+ unsigned byte_cnt = data->blocksize * data->blocks;
+ unsigned timeout_msecs = byte_cnt >> 8;
+ if (timeout_msecs < 2000)
+ timeout_msecs = 2000;
/* Always read / write data through the CPU */
setbits_le32(&mmchost->reg->gctrl, SUNXI_MMC_GCTRL_ACCESS_BY_AHB);
return !gpio_get_value(cd_pin);
}
+int sunxi_mmc_has_egon_boot_signature(struct mmc *mmc)
+{
+ char *buf = malloc(512);
+ int valid_signature = 0;
+
+ if (buf == NULL)
+ panic("Failed to allocate memory\n");
+
+ if (mmc_getcd(mmc) && mmc_init(mmc) == 0 &&
+ mmc->block_dev.block_read(mmc->block_dev.dev, 16, 1, buf) == 1 &&
+ strncmp(&buf[4], "eGON.BT0", 8) == 0)
+ valid_signature = 1;
+
+ free(buf);
+ return valid_signature;
+}
+
static const struct mmc_ops sunxi_mmc_ops = {
.send_cmd = sunxi_mmc_send_cmd,
.set_ios = sunxi_mmc_set_ios,
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
cfg->host_caps = MMC_MODE_4BIT;
- cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_HC;
+ cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
cfg->f_min = 400000;