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imx sd_card: move to new Mmio::wait_for

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This commit is contained in:
Martin Stein 2017-03-02 12:29:20 +01:00 committed by Christian Helmuth
parent acf762ec9f
commit a42e53728d
2 changed files with 17 additions and 14 deletions
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29
repos/os/src/drivers/sd_card/spec/imx/driver.cc
View File

@ -105,9 +105,8 @@ void Driver::_handle_irq()
* done with other controllers - isn't sufficient. Instead, both "Transfer
* Complete" and "Command Complete" must be gathered.
*/
if (!wait_for<Irqstat::Cc>(1, _delayer) ||
!wait_for<Irqstat::Tc>(1, _delayer))
{
try { wait_for(_delayer, Irqstat::Cc::Equal(1), Irqstat::Tc::Equal(1)); }
catch (Polling_timeout) {
error("Completion host signal timed out");
throw -1;
}
@ -127,7 +126,9 @@ void Driver::_handle_irq()
int Driver::_wait_for_cmd_complete()
{
if (!wait_for<Irqstat::Cc>(1, _delayer, 200, 5000)) {
try { wait_for(Attempts(200), Microseconds(5000), _delayer,
Irqstat::Cc::Equal(1)); }
catch (Polling_timeout) {
error("command timed out");
return -1;
}
@ -276,11 +277,11 @@ int Driver::_wait_for_cmd_allowed()
* "Auto Command 12", waiting only for "Command Inhibit" isn't sufficient
* as "Data Line Active" and "Data Inhibit" may also be active.
*/
if (!wait_for<Prsstat::Dla>(0, _delayer) ||
!wait_for<Prsstat::Sdstb>(1, _delayer) ||
!wait_for<Prsstat::Cihb>(0, _delayer) ||
!wait_for<Prsstat::Cdihb>(0, _delayer))
{
try { wait_for(_delayer, Prsstat::Dla::Equal(0),
Prsstat::Sdstb::Equal(1),
Prsstat::Cihb::Equal(0),
Prsstat::Cdihb::Equal(0)); }
catch (Polling_timeout) {
error("wait till issuing a new command is allowed timed out");
return -1;
}
@ -295,7 +296,8 @@ Card_info Driver::_init()
_irq.ack_irq();
/* configure host for initialization stage */
if (_reset(_delayer)) { _detect_err("Host reset failed"); }
if (_reset()) {
_detect_err("Host reset failed"); }
_disable_irqs();
if (!_supported_host_version(Mmio::read<Hostver>())) {
@ -429,14 +431,15 @@ void Driver::_detect_err(char const * const err)
}
int Driver::_reset(Delayer &delayer)
int Driver::_reset()
{
/* start reset */
Mmio::write<Sysctl::Rsta>(1);
_reset_amendments();
/* wait for reset completion */
if (!wait_for<Sysctl::Rsta>(0, delayer)) {
try { wait_for(_delayer, Sysctl::Rsta::Equal(0)); }
catch (Polling_timeout) {
error("Reset timed out");
return -1;
}
@ -521,7 +524,7 @@ void Driver::_enable_clock(Clock_divider divider)
void Driver::_clock(Clock clock)
{
wait_for<Prsstat::Sdstb>(1, _delayer);
wait_for(_delayer, Prsstat::Sdstb::Equal(1));
_disable_clock();
_clock_finish(clock);
}

2
repos/os/src/drivers/sd_card/spec/imx/driver.h
View File

@ -234,7 +234,7 @@ class Sd_card::Driver : public Driver_base,
void _enable_clock_finish();
void _clock(Clock clock);
void _clock_finish(Clock clock);
int _reset(Delayer & delayer);
int _reset();
void _reset_amendments();
int _wait_for_cmd_allowed();
int _wait_for_cmd_complete();