uint adsaddr; /* ADMA system address register */
char reserved2[100]; /* reserved */
uint vendorspec; /* Vendor Specific register */
- char reserved3[59]; /* reserved */
+ char reserved3[56]; /* reserved */
uint hostver; /* Host controller version register */
char reserved4[4]; /* reserved */
uint dmaerraddr; /* DMA error address register */
else if (cmd->resp_type & MMC_RSP_PRESENT)
xfertyp |= XFERTYP_RSPTYP_48;
-#if defined(CONFIG_SOC_MX53) || defined(CONFIG_PPC_T4240) || defined(CONFIG_SOC_LS102XA)
+#if defined(CONFIG_SOC_MX53) || defined(CONFIG_PPC_T4240) || \
+ defined(CONFIG_SOC_LS102XA) || defined(CONFIG_LS2085A)
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
xfertyp |= XFERTYP_CMDTYP_ABORT;
#endif
int timeout;
struct fsl_esdhc_cfg *cfg = mmc->priv;
struct fsl_esdhc *regs = cfg->esdhc_base;
+#ifdef CONFIG_LS2085A
+ dma_addr_t addr;
+#endif
uint wml_value;
wml_value = data->blocksize / 4;
esdhc_clrsetbits32(®s->wml, WML_RD_WML_MASK, wml_value);
#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
+#ifdef CONFIG_LS2085A
+ addr = virt_to_phys((void *)(data->dest));
+ if (upper_32_bits(addr))
+ printf("Error found for upper 32 bits\n");
+ else
+ esdhc_write32(®s->dsaddr, lower_32_bits(addr));
+#else
esdhc_write32(®s->dsaddr, (u32)data->dest);
+#endif
#endif
} else {
#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
esdhc_clrsetbits32(®s->wml, WML_WR_WML_MASK,
wml_value << 16);
#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
+#ifdef CONFIG_LS2085A
+ addr = virt_to_phys((void *)(data->src));
+ if (upper_32_bits(addr))
+ printf("Error found for upper 32 bits\n");
+ else
+ esdhc_write32(®s->dsaddr, lower_32_bits(addr));
+#else
esdhc_write32(®s->dsaddr, (u32)data->src);
+#endif
#endif
}
return 0;
}
-#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
static void check_and_invalidate_dcache_range
(struct mmc_cmd *cmd,
struct mmc_data *data) {
+#ifdef CONFIG_LS2085A
+ unsigned start = 0;
+#else
unsigned start = (unsigned)data->dest ;
+#endif
unsigned size = roundup(ARCH_DMA_MINALIGN,
data->blocks*data->blocksize);
unsigned end = start+size ;
+#ifdef CONFIG_LS2085A
+ dma_addr_t addr;
+
+ addr = virt_to_phys((void *)(data->dest));
+ if (upper_32_bits(addr))
+ printf("Error found for upper 32 bits\n");
+ else
+ start = lower_32_bits(addr);
+#endif
invalidate_dcache_range(start, end);
}
-#endif
/*
* Sends a command out on the bus. Takes the mmc pointer,
err = esdhc_setup_data(mmc, data);
if (err)
return err;
+
+ if (data->flags & MMC_DATA_READ)
+ check_and_invalidate_dcache_range(cmd, data);
}
/* Figure out the transfer arguments */
esdhc_write32(®s->cmdarg, cmd->cmdarg);
#if defined(CONFIG_FSL_USDHC)
esdhc_write32(®s->mixctrl,
- (esdhc_read32(®s->mixctrl) & ~0x7f) | (xfertyp & 0x7F));
+ (esdhc_read32(®s->mixctrl) & ~0x7f) | (xfertyp & 0x7F)
+ | (mmc->ddr_mode ? XFERTYP_DDREN : 0));
esdhc_write32(®s->xfertyp, xfertyp & 0xFFFF0000);
#else
esdhc_write32(®s->xfertyp, xfertyp);
/* Workaround for ESDHC errata ENGcm03648 */
if (!data && (cmd->resp_type & MMC_RSP_BUSY)) {
- int timeout = 2500;
+ int timeout = 6000;
- /* Poll on DATA0 line for cmd with busy signal for 250 ms */
+ /* Poll on DATA0 line for cmd with busy signal for 600 ms */
while (timeout > 0 && !(esdhc_read32(®s->prsstat) &
PRSSTAT_DAT0)) {
udelay(100);
}
} while ((irqstat & DATA_COMPLETE) != DATA_COMPLETE);
+ /*
+ * Need invalidate the dcache here again to avoid any
+ * cache-fill during the DMA operations such as the
+ * speculative pre-fetching etc.
+ */
if (data->flags & MMC_DATA_READ)
check_and_invalidate_dcache_range(cmd, data);
#endif
if ((sdhc_clk / (div * pre_div)) <= clock)
break;
- pre_div >>= 1;
+ pre_div >>= mmc->ddr_mode ? 2 : 1;
div -= 1;
clk = (pre_div << 8) | (div << 4);
esdhc_setbits32(®s->sysctl, clk);
}
+#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
+static void esdhc_clock_control(struct mmc *mmc, bool enable)
+{
+ struct fsl_esdhc_cfg *cfg = mmc->priv;
+ struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
+ u32 value;
+ u32 time_out;
+
+ value = esdhc_read32(®s->sysctl);
+
+ if (enable)
+ value |= SYSCTL_CKEN;
+ else
+ value &= ~SYSCTL_CKEN;
+
+ esdhc_write32(®s->sysctl, value);
+
+ time_out = 20;
+ value = PRSSTAT_SDSTB;
+ while (!(esdhc_read32(®s->prsstat) & value)) {
+ if (time_out == 0) {
+ printf("fsl_esdhc: Internal clock never stabilised.\n");
+ break;
+ }
+ time_out--;
+ mdelay(1);
+ }
+}
+#endif
+
static void esdhc_set_ios(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = mmc->priv;
struct fsl_esdhc *regs = cfg->esdhc_base;
+#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
+ /* Select to use peripheral clock */
+ esdhc_clock_control(mmc, false);
+ esdhc_setbits32(®s->scr, ESDHCCTL_PCS);
+ esdhc_clock_control(mmc, true);
+#endif
/* Set the clock speed */
set_sysctl(mmc, mmc->clock);
/* Set timout to the maximum value */
esdhc_clrsetbits32(®s->sysctl, SYSCTL_TIMEOUT_MASK, 14 << 16);
+#ifdef CONFIG_SYS_FSL_ESDHC_FORCE_VSELECT
+ esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT);
+#endif
+
return 0;
}
return -EINVAL;
}
- cfg->cfg.host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT | MMC_MODE_HC;
+ cfg->cfg.host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT;
+#ifdef CONFIG_SYS_FSL_ESDHC_HAS_DDR_MODE
+ cfg->cfg.host_caps |= MMC_MODE_DDR_52MHz;
+#endif
if (cfg->max_bus_width > 0) {
if (cfg->max_bus_width < 8)
return fsl_esdhc_initialize(bis, cfg);
}
+#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
+void mmc_adapter_card_type_ident(void)
+{
+ u8 card_id;
+ u8 value;
+
+ card_id = QIXIS_READ(present) & QIXIS_SDID_MASK;
+ gd->arch.sdhc_adapter = card_id;
+
+ switch (card_id) {
+ case QIXIS_ESDHC_ADAPTER_TYPE_EMMC45:
+ break;
+ case QIXIS_ESDHC_ADAPTER_TYPE_SDMMC_LEGACY:
+ break;
+ case QIXIS_ESDHC_ADAPTER_TYPE_EMMC44:
+ value = QIXIS_READ(brdcfg[5]);
+ value |= (QIXIS_SDCLKIN | QIXIS_SDCLKOUT);
+ QIXIS_WRITE(brdcfg[5], value);
+ break;
+ case QIXIS_ESDHC_ADAPTER_TYPE_RSV:
+ break;
+ case QIXIS_ESDHC_ADAPTER_TYPE_MMC:
+ break;
+ case QIXIS_ESDHC_ADAPTER_TYPE_SD:
+ break;
+ case QIXIS_ESDHC_NO_ADAPTER:
+ break;
+ default:
+ break;
+ }
+}
+#endif
+
#ifdef CONFIG_OF_LIBFDT
void fdt_fixup_esdhc(void *blob, bd_t *bd)
{
}
#endif
+#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
+ do_fixup_by_compat_u32(blob, compat, "peripheral-frequency",
+ gd->arch.sdhc_clk, 1);
+#else
do_fixup_by_compat_u32(blob, compat, "clock-frequency",
gd->arch.sdhc_clk, 1);
-
+#endif
+#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
+ do_fixup_by_compat_u32(blob, compat, "adapter-type",
+ (u32)(gd->arch.sdhc_adapter), 1);
+#endif
do_fixup_by_compat(blob, compat, "status", "okay",
4 + 1, 1);
}
projects / karo-tx-uboot.git / blobdiff