Andreiixe/ClassiCube-PPC-for-MacOSX-10.4
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Latest compatible version of Classicube from the original GitHub repository (https://github.com/ClassiCube/ClassiCube) that can be compiled on Classicube for PowerMac PPC running Mac OS X 10.4.

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Andrei Alexandru
2025-12-17 13:17:57 +02:00
commit c71492f846
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third_party/dsiwifi/arm_iop/source/wifi_ndma.twl.c vendored Normal file
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/*
* Copyright (c) 2021 Max Thomas
* This file is part of DSiWifi and is distributed under the MIT license.
* See dsiwifi_license.txt for terms of use.
*/
#include "wifi_ndma.h"
#include "wifi_card.h"
#include "wifi_sdio.h"
void wifi_ndma_init()
{
REG_NDMA_CNT(WIFI_NDMA_CHAN) = 0;
REG_NDMA_GLOBAL_CNT = NDMA_GLOBAL_ENABLE | NDMA_FIXED_METHOD;
}
void wifi_ndma_read(void* dst, u32 len)
{
REG_NDMA_SRC_ADDR(WIFI_NDMA_CHAN) = (u32)(REG_SDIO_BASE + WIFI_SDIO_OFFS_DATA32_FIFO);
REG_NDMA_DST_ADDR(WIFI_NDMA_CHAN) = (u32)(dst);
REG_NDMA_TRANSFER_CNT(WIFI_NDMA_CHAN) = len / 4;
REG_NDMA_WRITE_CNT(WIFI_NDMA_CHAN) = 0x80 / 4; // logical block size, set to SDIO block len
// Physical block size is also set to 0x80 bytes, there's probably a better value
// depending on what memory we're transferring to
REG_NDMA_CNT(WIFI_NDMA_CHAN) = NDMA_ENABLE | NDMA_BLOCK_SIZE(0x80 / 4) | NDMA_STARTUP_MODE(NDMA_STARTUP_WIFI) | NDMA_SRC_MODE(NDMA_MODE_FIXED) | NDMA_DST_MODE(NDMA_MODE_INC);
}
void wifi_ndma_write(void* src, u32 len)
{
while (REG_NDMA_CNT(WIFI_NDMA_CHAN) & NDMA_ENABLE);
REG_NDMA_SRC_ADDR(WIFI_NDMA_CHAN) = (u32)(src);
REG_NDMA_DST_ADDR(WIFI_NDMA_CHAN) = (u32)(REG_SDIO_BASE + WIFI_SDIO_OFFS_DATA32_FIFO);
REG_NDMA_TRANSFER_CNT(WIFI_NDMA_CHAN) = len / 4;
REG_NDMA_WRITE_CNT(WIFI_NDMA_CHAN) = 0x80 / 4; // logical block size, set to SDIO block len
// Physical block size is also set to 0x80 bytes, there's probably a better value
// depending on what memory we're transferring to
REG_NDMA_CNT(WIFI_NDMA_CHAN) = NDMA_ENABLE | NDMA_BLOCK_SIZE(0x80 / 4) | NDMA_STARTUP_MODE(NDMA_STARTUP_WIFI) | NDMA_SRC_MODE(NDMA_MODE_INC) | NDMA_DST_MODE(NDMA_MODE_FIXED);
}
void wifi_ndma_wait()
{
while (REG_NDMA_CNT(WIFI_NDMA_CHAN) & NDMA_ENABLE);
}