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Gigabeat S: Implement MDMA and UDMA disk access for bootloader and main binary. Add a needed SDMA API to check channel errors. Increase audio DMA channels' priority as required. Reads and writes measure faster accross all test_disk tests and especially at 4KB and 1MB.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20299 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2009-03-12 06:31:40 +00:00
parent bc8cab4c24
commit a1a332e04b
10 changed files with 564 additions and 28 deletions
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4
firmware/export/imx31l.h
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@ -497,11 +497,11 @@
#define ATA_IORDY_EN (1 << 0)
/* ATA_INTERRUPT_PENDING, ATA_INTERRUPT_ENABLE, ATA_INTERRUPT_CLEAR flags */
#define ATA_INTRQ1 (1 << 7)
#define ATA_INTRQ1 (1 << 7) /* INTRQ to the DMA */
#define ATA_FIFO_UNDERFLOW (1 << 6)
#define ATA_FIFO_OVERFLOW (1 << 5)
#define ATA_CONTROLLER_IDLE (1 << 4)
#define ATA_INTRQ2 (1 << 3)
#define ATA_INTRQ2 (1 << 3) /* INTRQ to the MCU */
/* EPIT */
#define EPITCR1 (*(REG32_PTR_T)(EPIT1_BASE_ADDR+0x00))