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=== Description ===
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'''ARM PrimeCell PL180/181 Multimedia Card Interface Driver unit'''

The PL180/181 Multimedia Card is an ARM peripheral that is compatible with MMC multimedia cards and SD secure digital cards in memory mapped I/O format compatible with the ARM advanced peripheral bus (APB).

The design of the Pl180/181 allows for multiple cards per controller however this driver currently only supports attaching one card.

=== Constants ===
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''To be documented''

=== Type definitions ===
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''To be documented''

=== Public variables ===
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'''PL18X specific variables'''

{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
|-
| <code>PL18X_MMCI_FIQ_ENABLED:LongBool;</code>
| style="width: 40%;"|The SDHCI uses Fast Interrupt Requests (FIQ) instead of IRQ
|-
|}
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
|-
| <code>PL18X_MMCI_MIN_FREQ:LongWord = 400000;</code>
| style="width: 40%;"|Minimum clock frequency for SDHCI (Default minimum of 400KHz)
|-
|}
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
|-
| <code>PL18X_MMCI_MAX_FREQ:LongWord = 400000;</code>
| style="width: 40%;"|Maximum clock frequency for SDHCI (Default maximum of 400KHz)
|-
|}
<br />

=== Function declarations ===
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''To be documented''


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