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Fixed MTP to work with TWRP

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This commit is contained in:
awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
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42
arch/cris/arch-v10/lib/dmacopy.c Normal file
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/*
* memcpy for large blocks, using memory-memory DMA channels 6 and 7 in Etrax
*/
#include <asm/svinto.h>
#include <asm/io.h>
#define D(x)
void *dma_memcpy(void *pdst,
const void *psrc,
unsigned int pn)
{
static etrax_dma_descr indma, outdma;
D(printk(KERN_DEBUG "dma_memcpy %d bytes... ", pn));
#if 0
*R_GEN_CONFIG = genconfig_shadow =
(genconfig_shadow & ~0x3c0000) |
IO_STATE(R_GEN_CONFIG, dma6, intdma7) |
IO_STATE(R_GEN_CONFIG, dma7, intdma6);
#endif
indma.sw_len = outdma.sw_len = pn;
indma.ctrl = d_eol | d_eop;
outdma.ctrl = d_eol;
indma.buf = psrc;
outdma.buf = pdst;
*R_DMA_CH6_FIRST = &indma;
*R_DMA_CH7_FIRST = &outdma;
*R_DMA_CH6_CMD = IO_STATE(R_DMA_CH6_CMD, cmd, start);
*R_DMA_CH7_CMD = IO_STATE(R_DMA_CH7_CMD, cmd, start);
while (*R_DMA_CH7_CMD == 1)
/* wait for completion */;
D(printk(KERN_DEBUG "done\n"));
}