The-Homebrew-Cloud/mini
2
0
Fork 0
mirror of https://github.com/fail0verflow/mini.git synced 2024-11-24 12:19:21 +01:00
Code Issues Packages Projects Releases Wiki Activity

sdhc fix?

Browse Source
This commit is contained in:
Sven Peter 2009-05-12 13:16:38 +02:00 committed by bushing
parent edef2f3f8e
commit e010fc3a61
1 changed files with 15 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
sdhc.c
View File

@ -763,20 +763,17 @@ sdhc_start_command(struct sdhc_host *hp, struct sdmmc_command *cmd)
void
sdhc_transfer_data(struct sdhc_host *hp, struct sdmmc_command *cmd)
{
int datalen;
int mask;
int error;
int status;
int left, blkcnt;
int left;
mask = ISSET(cmd->c_flags, SCF_CMD_READ) ?
SDHC_BUFFER_READ_ENABLE : SDHC_BUFFER_WRITE_ENABLE;
error = 0;
datalen = cmd->c_datalen;
blkcnt = (datalen / 512);
DPRINTF(1,("%s: resp=%#x datalen=%d\n", HDEVNAME(hp),
MMC_R1(cmd->c_resp), datalen));
MMC_R1(cmd->c_resp), cmd->c_datalen));
if (ISSET(hp->flags, SHF_USE_DMA)) {
for(;;) {
status = sdhc_wait_intr(hp, SDHC_TRANSFER_COMPLETE |
@ -997,9 +994,20 @@ sdhc_intr(void *arg)
*/
if (ISSET(status, SDHC_ERROR_INTERRUPT)) {
u_int16_t error;
u_int16_t signal;
/* Acknowledge error interrupts. */
error = HREAD2(hp, SDHC_EINTR_STATUS);
/* IOS does this */
if (error == 0) {
signal = HREAD2(hp, SDHC_EINTR_SIGNAL_EN);
HWRITE2(hp, SDHC_EINTR_SIGNAL_EN, 0);
(void)sdhc_soft_reset(hp, SDHC_RESET_DAT|SDHC_RESET_CMD);
HWRITE2(hp, SDHC_EINTR_STATUS, 0xffff);
HWRITE2(hp, SDHC_EINTR_SIGNAL_EN, signal);
}
else
HWRITE2(hp, SDHC_EINTR_STATUS, error);
// DPRINTF(2,("%s: error interrupt, status=%d\n",
// HDEVNAME(hp), error));
@ -1008,7 +1016,6 @@ sdhc_intr(void *arg)
SDHC_DATA_TIMEOUT_ERROR)) {
hp->intr_error_status |= error;
hp->intr_status |= status;
wakeup(&hp->intr_status);
}
}
@ -1016,7 +1023,7 @@ sdhc_intr(void *arg)
* Wake up the sdmmc event thread to scan for cards.
*/
if (ISSET(status, SDHC_CARD_REMOVAL|SDHC_CARD_INSERTION)) {
// this pushed a request to the slow queue so that we
// this pushes a request to the slow queue so that we
// don't block other IRQs.
ipc_enqueue_slow(IPC_DEV_SDHC, IPC_SDHC_DISCOVER, 1,
(u32) hp->sdmmc);
@ -1030,7 +1037,6 @@ sdhc_intr(void *arg)
SDHC_BUFFER_WRITE_READY|SDHC_COMMAND_COMPLETE|
SDHC_TRANSFER_COMPLETE|SDHC_DMA_INTERRUPT)) {
hp->intr_status |= status;
wakeup(&hp->intr_status);
}
/*