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authorAntonio Niño Díaz <antonio.ninodiaz@arm.com>2019-04-24 10:04:52 +0000
committerTrustedFirmware Code Review <review@review.trustedfirmware.org>2019-04-24 10:04:52 +0000
commit5bec1e9264be254b25a06b5e8ea32ffde2a142b6 (patch)
treedfc0a803b45add6bdfe50d402e6bdc2c20ca0c60 /plat/ti/k3/common
parent568bfb7b3fba656a07c41c8102f7a7d56904484b (diff)
parent71a35273130798aa3f19e0baf793aa598577c323 (diff)
downloadtrusted-firmware-a-5bec1e9264be254b25a06b5e8ea32ffde2a142b6.tar.gz
Merge changes from topic "k3-sequence-fix" into integration
* changes: ti: k3: drivers: ti_sci: Retry message receive on bad sequence ID ti: k3: drivers: ti_sci: Cleanup sequence ID usage ti: k3: drivers: sec_proxy: Use direction definitions ti: k3: drivers: sec_proxy: Fix printf format specifiers
Diffstat (limited to 'plat/ti/k3/common')
-rw-r--r--plat/ti/k3/common/drivers/sec_proxy/sec_proxy.c48
-rw-r--r--plat/ti/k3/common/drivers/ti_sci/ti_sci.c42
2 files changed, 48 insertions, 42 deletions
diff --git a/plat/ti/k3/common/drivers/sec_proxy/sec_proxy.c b/plat/ti/k3/common/drivers/sec_proxy/sec_proxy.c
index 49cecd44ca..ee1eecf789 100644
--- a/plat/ti/k3/common/drivers/sec_proxy/sec_proxy.c
+++ b/plat/ti/k3/common/drivers/sec_proxy/sec_proxy.c
@@ -51,14 +51,14 @@ struct k3_sec_proxy_desc {
};
/**
- * struct k3_sec_proxy_thread - Description of a secure proxy Thread
- * @id: Thread ID
+ * struct k3_sec_proxy_thread - Description of a Secure Proxy Thread
+ * @name: Thread Name
* @data: Thread Data path region for target
* @scfg: Secure Config Region for Thread
* @rt: RealTime Region for Thread
*/
struct k3_sec_proxy_thread {
- uint32_t id;
+ const char *name;
uintptr_t data;
uintptr_t scfg;
uintptr_t rt;
@@ -83,7 +83,7 @@ struct k3_sec_proxy_mbox {
*/
#define SP_THREAD(_x) \
[_x] = { \
- .id = _x, \
+ .name = #_x, \
.data = SEC_PROXY_THREAD(SEC_PROXY_DATA_BASE, _x), \
.scfg = SEC_PROXY_THREAD(SEC_PROXY_SCFG_BASE, _x), \
.rt = SEC_PROXY_THREAD(SEC_PROXY_RT_BASE, _x), \
@@ -131,19 +131,19 @@ static inline int k3_sec_proxy_verify_thread(struct k3_sec_proxy_thread *spt,
/* Check for any errors already available */
if (mmio_read_32(spt->rt + RT_THREAD_STATUS) &
RT_THREAD_STATUS_ERROR_MASK) {
- ERROR("Thread %d is corrupted, cannot send data\n", spt->id);
+ ERROR("Thread %s is corrupted, cannot send data\n", spt->name);
return -EINVAL;
}
/* Make sure thread is configured for right direction */
if ((mmio_read_32(spt->scfg + SCFG_THREAD_CTRL) & SCFG_THREAD_CTRL_DIR_MASK)
!= (dir << SCFG_THREAD_CTRL_DIR_SHIFT)) {
- if (dir)
- ERROR("Trying to send data on RX Thread %d\n",
- spt->id);
+ if (dir == THREAD_IS_TX)
+ ERROR("Trying to send data on RX Thread %s\n",
+ spt->name);
else
- ERROR("Trying to receive data on TX Thread %d\n",
- spt->id);
+ ERROR("Trying to receive data on TX Thread %s\n",
+ spt->name);
return -EINVAL;
}
@@ -151,10 +151,12 @@ static inline int k3_sec_proxy_verify_thread(struct k3_sec_proxy_thread *spt,
uint32_t tick_start = (uint32_t)read_cntpct_el0();
uint32_t ticks_per_us = SYS_COUNTER_FREQ_IN_TICKS / 1000000;
while (!(mmio_read_32(spt->rt + RT_THREAD_STATUS) & RT_THREAD_STATUS_CUR_CNT_MASK)) {
- VERBOSE("Waiting for thread %d to clear\n", spt->id);
+ VERBOSE("Waiting for thread %s to %s\n",
+ spt->name, (dir == THREAD_IS_TX) ? "empty" : "fill");
if (((uint32_t)read_cntpct_el0() - tick_start) >
(spm.desc.timeout_us * ticks_per_us)) {
- ERROR("Timeout waiting for thread %d to clear\n", spt->id);
+ ERROR("Timeout waiting for thread %s to %s\n",
+ spt->name, (dir == THREAD_IS_TX) ? "empty" : "fill");
return -ETIMEDOUT;
}
}
@@ -176,13 +178,13 @@ int k3_sec_proxy_clear_rx_thread(enum k3_sec_proxy_chan_id id)
/* Check for any errors already available */
if (mmio_read_32(spt->rt + RT_THREAD_STATUS) &
RT_THREAD_STATUS_ERROR_MASK) {
- ERROR("Thread %d is corrupted, cannot send data\n", spt->id);
+ ERROR("Thread %s is corrupted, cannot send data\n", spt->name);
return -EINVAL;
}
/* Make sure thread is configured for right direction */
if (!(mmio_read_32(spt->scfg + SCFG_THREAD_CTRL) & SCFG_THREAD_CTRL_DIR_MASK)) {
- ERROR("Cannot clear a transmit thread %d\n", spt->id);
+ ERROR("Cannot clear a transmit thread %s\n", spt->name);
return -EINVAL;
}
@@ -190,10 +192,10 @@ int k3_sec_proxy_clear_rx_thread(enum k3_sec_proxy_chan_id id)
uint32_t try_count = 10;
while (mmio_read_32(spt->rt + RT_THREAD_STATUS) & RT_THREAD_STATUS_CUR_CNT_MASK) {
if (!(try_count--)) {
- ERROR("Could not clear all messages from thread %d\n", spt->id);
+ ERROR("Could not clear all messages from thread %s\n", spt->name);
return -ETIMEDOUT;
}
- WARN("Clearing message from thread %d\n", spt->id);
+ WARN("Clearing message from thread %s\n", spt->name);
mmio_read_32(spt->data + spm.desc.data_end_offset);
}
@@ -216,14 +218,14 @@ int k3_sec_proxy_send(enum k3_sec_proxy_chan_id id, const struct k3_sec_proxy_ms
ret = k3_sec_proxy_verify_thread(spt, THREAD_IS_TX);
if (ret) {
- ERROR("Thread %d verification failed (%d)\n", spt->id, ret);
+ ERROR("Thread %s verification failed (%d)\n", spt->name, ret);
return ret;
}
/* Check the message size */
if (msg->len + sizeof(secure_header) > spm.desc.max_msg_size) {
- ERROR("Thread %d message length %lu > max msg size\n",
- spt->id, msg->len);
+ ERROR("Thread %s message length %lu > max msg size\n",
+ spt->name, msg->len);
return -EINVAL;
}
@@ -263,7 +265,7 @@ int k3_sec_proxy_send(enum k3_sec_proxy_chan_id id, const struct k3_sec_proxy_ms
if (data_reg <= spm.desc.data_end_offset)
mmio_write_32(spt->data + spm.desc.data_end_offset, 0);
- VERBOSE("Message successfully sent on thread %ud\n", id);
+ VERBOSE("Message successfully sent on thread %s\n", spt->name);
return 0;
}
@@ -275,7 +277,7 @@ int k3_sec_proxy_send(enum k3_sec_proxy_chan_id id, const struct k3_sec_proxy_ms
*
* Return: 0 if all goes well, else appropriate error message
*/
-int k3_sec_proxy_recv(uint32_t id, struct k3_sec_proxy_msg *msg)
+int k3_sec_proxy_recv(enum k3_sec_proxy_chan_id id, struct k3_sec_proxy_msg *msg)
{
struct k3_sec_proxy_thread *spt = &spm.threads[id];
union sec_msg_hdr secure_header;
@@ -284,7 +286,7 @@ int k3_sec_proxy_recv(uint32_t id, struct k3_sec_proxy_msg *msg)
ret = k3_sec_proxy_verify_thread(spt, THREAD_IS_RX);
if (ret) {
- ERROR("Thread %d verification failed (%d)\n", spt->id, ret);
+ ERROR("Thread %s verification failed (%d)\n", spt->name, ret);
return ret;
}
@@ -323,7 +325,7 @@ int k3_sec_proxy_recv(uint32_t id, struct k3_sec_proxy_msg *msg)
/* TODO: Verify checksum */
(void)secure_header.checksum;
- VERBOSE("Message successfully received from thread %ud\n", id);
+ VERBOSE("Message successfully received from thread %s\n", spt->name);
return 0;
}
diff --git a/plat/ti/k3/common/drivers/ti_sci/ti_sci.c b/plat/ti/k3/common/drivers/ti_sci/ti_sci.c
index df0b794f85..ac33278a99 100644
--- a/plat/ti/k3/common/drivers/ti_sci/ti_sci.c
+++ b/plat/ti/k3/common/drivers/ti_sci/ti_sci.c
@@ -45,7 +45,6 @@ static struct ti_sci_info info = {
.host_id = TI_SCI_HOST_ID,
.max_msg_size = TI_SCI_MAX_MESSAGE_SIZE,
},
- .seq = 0x0a,
};
/**
@@ -89,10 +88,8 @@ static int ti_sci_setup_one_xfer(uint16_t msg_type, uint32_t msg_flags,
tx_message_size < sizeof(*hdr))
return -ERANGE;
- info.seq++;
-
hdr = (struct ti_sci_msg_hdr *)tx_buf;
- hdr->seq = info.seq;
+ hdr->seq = ++info.seq;
hdr->type = msg_type;
hdr->host = info.desc.host_id;
hdr->flags = msg_flags | TI_SCI_FLAG_REQ_ACK_ON_PROCESSED;
@@ -119,21 +116,28 @@ static inline int ti_sci_get_response(struct ti_sci_xfer *xfer,
{
struct k3_sec_proxy_msg *msg = &xfer->rx_message;
struct ti_sci_msg_hdr *hdr;
+ unsigned int retry = 5;
int ret;
- /* Receive the response */
- ret = k3_sec_proxy_recv(chan, msg);
- if (ret) {
- ERROR("Message receive failed (%d)\n", ret);
- return ret;
+ for (; retry > 0; retry--) {
+ /* Receive the response */
+ ret = k3_sec_proxy_recv(chan, msg);
+ if (ret) {
+ ERROR("Message receive failed (%d)\n", ret);
+ return ret;
+ }
+
+ /* msg is updated by Secure Proxy driver */
+ hdr = (struct ti_sci_msg_hdr *)msg->buf;
+
+ /* Sanity check for message response */
+ if (hdr->seq == info.seq)
+ break;
+ else
+ WARN("Message with sequence ID %u is not expected\n", hdr->seq);
}
-
- /* msg is updated by Secure Proxy driver */
- hdr = (struct ti_sci_msg_hdr *)msg->buf;
-
- /* Sanity check for message response */
- if (hdr->seq != info.seq) {
- ERROR("Message for %d is not expected\n", hdr->seq);
+ if (!retry) {
+ ERROR("Timed out waiting for message\n");
return -EINVAL;
}
@@ -425,7 +429,7 @@ int ti_sci_device_put_no_wait(uint32_t id)
return -ERANGE;
hdr = (struct ti_sci_msg_hdr *)&req;
- hdr->seq = info.seq;
+ hdr->seq = ++info.seq;
hdr->type = TI_SCI_MSG_SET_DEVICE_STATE;
hdr->host = info.desc.host_id;
/* Setup with NORESPONSE flag to keep response queue clean */
@@ -1408,7 +1412,7 @@ int ti_sci_proc_set_boot_ctrl_no_wait(uint8_t proc_id,
return -ERANGE;
hdr = (struct ti_sci_msg_hdr *)&req;
- hdr->seq = info.seq;
+ hdr->seq = ++info.seq;
hdr->type = TISCI_MSG_SET_PROC_BOOT_CTRL;
hdr->host = info.desc.host_id;
/* Setup with NORESPONSE flag to keep response queue clean */
@@ -1650,7 +1654,7 @@ int ti_sci_proc_wait_boot_status_no_wait(uint8_t proc_id,
return -ERANGE;
hdr = (struct ti_sci_msg_hdr *)&req;
- hdr->seq = info.seq;
+ hdr->seq = ++info.seq;
hdr->type = TISCI_MSG_WAIT_PROC_BOOT_STATUS;
hdr->host = info.desc.host_id;
/* Setup with NORESPONSE flag to keep response queue clean */