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ipod6g: Correct the DMA transfer size/count for CE-ATA devices

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The DMA xfr size was fixed at 512 bytes, but the count was specified
in terms of the logical sector size (ie 4096 bytes).

Make the DMA size line up with the sector size.

Change-Id: Id9d0088b12775223f8d888f21b19e17c97927570
This commit is contained in:
Solomon Peachy 2025-11-20 19:31:31 -05:00
parent fe1440d402
commit 25b985c319
1 changed files with 9 additions and 9 deletions
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18
firmware/target/arm/s5l8702/ipod6g/storage_ata-6g.c
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@ -491,7 +491,7 @@ static int ceata_cancel_command(void)
return 0;
}
static int ceata_rw_multiple_block(bool write, void* buf, uint32_t count, long timeout)
static int ceata_rw_multiple_block(bool write, void* buf, uint16_t bsize, uint32_t count, long timeout)
{
mmc_discard_irq();
uint32_t responsetype;
@ -509,7 +509,7 @@ static int ceata_rw_multiple_block(bool write, void* buf, uint32_t count, long t
responsetype = SDCI_CMD_RES_TYPE_R1;
direction = MMC_CMD_CEATA_RW_MULTIPLE_BLOCK_DIRECTION_READ;
}
SDCI_DMASIZE = 0x200;
SDCI_DMASIZE = bsize;
SDCI_DMAADDR = buf;
SDCI_DMACOUNT = count;
SDCI_DCTRL = SDCI_DCTRL_TXFIFORST | SDCI_DCTRL_RXFIFORST;
@ -545,7 +545,7 @@ static int ata_identify(uint16_t* buf)
ceata_taskfile[0xf] = CMD_IDENTIFY;
PASS_RC(ceata_wait_idle(), 2, 0);
PASS_RC(ceata_write_multiple_register(0, ceata_taskfile, 16), 2, 1);
PASS_RC(ceata_rw_multiple_block(false, buf, 1, CEATA_COMMAND_TIMEOUT * HZ / 1000000), 2, 2);
PASS_RC(ceata_rw_multiple_block(false, buf, 512, 1, CEATA_COMMAND_TIMEOUT * HZ / 1000000), 2, 2);
}
else
{
@ -788,8 +788,7 @@ static void ata_power_down(void)
static int ata_rw_chunk_internal(uint64_t sector, uint32_t cnt, void* buffer, bool write)
{
if (ceata)
{
if (ceata) {
memset(ceata_taskfile, 0, 16);
ceata_taskfile[0x2] = cnt >> 8;
ceata_taskfile[0x3] = sector >> 24;
@ -802,9 +801,10 @@ static int ata_rw_chunk_internal(uint64_t sector, uint32_t cnt, void* buffer, bo
ceata_taskfile[0xf] = write ? CMD_WRITE_DMA_EXT : CMD_READ_DMA_EXT;
PASS_RC(ceata_wait_idle(), 2, 0);
PASS_RC(ceata_write_multiple_register(0, ceata_taskfile, 16), 2, 1);
PASS_RC(ceata_rw_multiple_block(write, buffer, cnt, CEATA_COMMAND_TIMEOUT * HZ / 1000000), 2, 2);
PASS_RC(ceata_rw_multiple_block(write, buffer, log_sector_size, cnt, CEATA_COMMAND_TIMEOUT * HZ / 1000000), 2, 2);
return 0;
}
else
{
PASS_RC(ata_wait_for_rdy(100000), 2, 0);
ata_write_cbr(&ATA_PIO_DVR, 0);
@ -885,9 +885,9 @@ static int ata_rw_chunk_internal(uint64_t sector, uint32_t cnt, void* buffer, bo
}
}
PASS_RC(ata_wait_for_end_of_transfer(100000), 2, 3);
}
return 0;
}
}
static int ata_rw_chunk(uint64_t sector, uint32_t cnt, void* buffer, bool write)
{
@ -1194,7 +1194,7 @@ static int ata_smart(uint16_t* buf, uint8_t cmd)
}
ceata_taskfile[0x9] = cmd;
PASS_RC(ceata_write_multiple_register(0, ceata_taskfile, 16), 3, 4);
PASS_RC(ceata_rw_multiple_block(false, buf, 1, CEATA_COMMAND_TIMEOUT * HZ / 1000000), 3, 5);
PASS_RC(ceata_rw_multiple_block(false, buf, 512, 1, CEATA_COMMAND_TIMEOUT * HZ / 1000000), 3, 5);
}
else
{