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imx: misc: ele_mu: Update ELE MU driver

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Extend the RX timeout value to 10s, because when authentication is failed
the ELE needs long time (>2s for 28M image) to return the result. Print
rx wait info per 1s.

Also correct TX and RX status registers in debug.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ye Li 2023-06-15 18:09:13 +08:00 committed by Stefano Babic
parent 71a21425d2
commit 78b4cf7530
1 changed files with 15 additions and 5 deletions
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20
drivers/misc/imx_ele/ele_mu.c
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@ -42,7 +42,7 @@ int mu_hal_sendmsg(ulong base, u32 reg_index, u32 msg)
assert(reg_index < MU_TR_COUNT);
debug("sendmsg sr 0x%x\n", readl(&mu_base->sr));
debug("sendmsg tsr 0x%x\n", readl(&mu_base->tsr));
/* Wait TX register to be empty. */
ret = readl_poll_timeout(&mu_base->tsr, val, val & mask, 10000);
@ -64,14 +64,24 @@ int mu_hal_receivemsg(ulong base, u32 reg_index, u32 *msg)
u32 mask = MU_SR_RF0_MASK << reg_index;
u32 val;
int ret;
u32 count = 10;
assert(reg_index < MU_RR_COUNT);
debug("receivemsg sr 0x%x\n", readl(&mu_base->sr));
debug("receivemsg rsr 0x%x\n", readl(&mu_base->rsr));
/* Wait RX register to be full. */
ret = readl_poll_timeout(&mu_base->rsr, val, val & mask, 10000);
if (ret < 0) {
do {
/* Wait RX register to be full. */
ret = readl_poll_timeout(&mu_base->rsr, val, val & mask, 1000000);
if (ret < 0) {
count--;
printf("mu receive msg wait %us\n", 10 - count);
} else {
break;
}
} while (count > 0);
if (count == 0) {
debug("%s timeout\n", __func__);
return -ETIMEDOUT;
}