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ti: k3: drivers: ti_sci: Request and check for ACK by default 

Currently almost all TI-SCI messages request and check for an ACK from
the system firmware. Move this into a common place to remove the same
from each function.

Signed-off-by: Andrew F. Davis <afd@ti.com>
This commit is contained in:
Andrew F. Davis 2019-02-11 13:44:31 -06:00
parent b3ca8aabbd
commit 60d23323a7
1 changed files with 23 additions and 113 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

136
plat/ti/k3/common/drivers/ti_sci/ti_sci.c
View File

@ -95,7 +95,7 @@ static int ti_sci_setup_one_xfer(uint16_t msg_type, uint32_t msg_flags,
hdr->seq = info.seq;
hdr->type = msg_type;
hdr->host = info.desc.host_id;
hdr->flags = msg_flags;
hdr->flags = msg_flags | TI_SCI_FLAG_REQ_ACK_ON_PROCESSED;
xfer->tx_message.buf = tx_buf;
xfer->tx_message.len = tx_message_size;
@ -143,6 +143,9 @@ static inline int ti_sci_get_response(struct ti_sci_xfer *xfer,
return -EINVAL;
}
if (!(hdr->flags & TI_SCI_FLAG_RESP_GENERIC_ACK))
return -ENODEV;
return 0;
}
@ -213,20 +216,6 @@ int ti_sci_get_revision(struct ti_sci_msg_resp_version *rev_info)
return 0;
}
/**
* ti_sci_is_response_ack() - Generic ACK/NACK message check
*
* @r: pointer to response buffer
*
* Return: true if the response was an ACK, else returns false
*/
static inline bool ti_sci_is_response_ack(void *r)
{
struct ti_sci_msg_hdr *hdr = r;
return hdr->flags & TI_SCI_FLAG_RESP_GENERIC_ACK ? true : false;
}
/**
* ti_sci_device_set_state() - Set device state
*
@ -244,8 +233,7 @@ static int ti_sci_device_set_state(uint32_t id, uint32_t flags, uint8_t state)
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SET_DEVICE_STATE,
flags | TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SET_DEVICE_STATE, flags,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -263,9 +251,6 @@ static int ti_sci_device_set_state(uint32_t id, uint32_t flags, uint8_t state)
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -310,9 +295,6 @@ static int ti_sci_device_get_state(uint32_t id, uint32_t *clcnt,
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
if (clcnt)
*clcnt = resp.context_loss_count;
if (resets)
@ -573,8 +555,7 @@ int ti_sci_device_set_resets(uint32_t id, uint32_t reset_state)
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SET_DEVICE_RESETS,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SET_DEVICE_RESETS, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -592,9 +573,6 @@ int ti_sci_device_set_resets(uint32_t id, uint32_t reset_state)
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -632,8 +610,7 @@ int ti_sci_clock_set_state(uint32_t dev_id, uint8_t clk_id,
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SET_CLOCK_STATE,
flags | TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SET_CLOCK_STATE, flags,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -652,9 +629,6 @@ int ti_sci_clock_set_state(uint32_t dev_id, uint8_t clk_id,
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -683,8 +657,7 @@ int ti_sci_clock_get_state(uint32_t dev_id, uint8_t clk_id,
if (!programmed_state && !current_state)
return -EINVAL;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_GET_CLOCK_STATE,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_GET_CLOCK_STATE, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -702,9 +675,6 @@ int ti_sci_clock_get_state(uint32_t dev_id, uint8_t clk_id,
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
if (programmed_state)
*programmed_state = resp.programmed_state;
if (current_state)
@ -889,8 +859,7 @@ int ti_sci_clock_set_parent(uint32_t dev_id, uint8_t clk_id, uint8_t parent_id)
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SET_CLOCK_PARENT,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SET_CLOCK_PARENT, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -909,9 +878,6 @@ int ti_sci_clock_set_parent(uint32_t dev_id, uint8_t clk_id, uint8_t parent_id)
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -934,8 +900,7 @@ int ti_sci_clock_get_parent(uint32_t dev_id, uint8_t clk_id, uint8_t *parent_id)
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_GET_CLOCK_PARENT,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_GET_CLOCK_PARENT, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -953,9 +918,6 @@ int ti_sci_clock_get_parent(uint32_t dev_id, uint8_t clk_id, uint8_t *parent_id)
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
*parent_id = resp.parent_id;
return 0;
@ -981,8 +943,7 @@ int ti_sci_clock_get_num_parents(uint32_t dev_id, uint8_t clk_id,
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_GET_NUM_CLOCK_PARENTS,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_GET_NUM_CLOCK_PARENTS, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1000,9 +961,6 @@ int ti_sci_clock_get_num_parents(uint32_t dev_id, uint8_t clk_id,
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
*num_parents = resp.num_parents;
return 0;
@ -1037,8 +995,7 @@ int ti_sci_clock_get_match_freq(uint32_t dev_id, uint8_t clk_id,
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_QUERY_CLOCK_FREQ,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_QUERY_CLOCK_FREQ, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1059,9 +1016,6 @@ int ti_sci_clock_get_match_freq(uint32_t dev_id, uint8_t clk_id,
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
*match_freq = resp.freq_hz;
return 0;
@ -1094,8 +1048,7 @@ int ti_sci_clock_set_freq(uint32_t dev_id, uint8_t clk_id, uint64_t min_freq,
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SET_CLOCK_FREQ,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SET_CLOCK_FREQ, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1115,9 +1068,6 @@ int ti_sci_clock_set_freq(uint32_t dev_id, uint8_t clk_id, uint64_t min_freq,
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -1140,8 +1090,7 @@ int ti_sci_clock_get_freq(uint32_t dev_id, uint8_t clk_id, uint64_t *freq)
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_GET_CLOCK_FREQ,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_GET_CLOCK_FREQ, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1159,9 +1108,6 @@ int ti_sci_clock_get_freq(uint32_t dev_id, uint8_t clk_id, uint64_t *freq)
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
*freq = resp.freq_hz;
return 0;
@ -1180,8 +1126,7 @@ int ti_sci_core_reboot(void)
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SYS_RESET,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TI_SCI_MSG_SYS_RESET, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1196,9 +1141,6 @@ int ti_sci_core_reboot(void)
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -1217,8 +1159,7 @@ int ti_sci_proc_request(uint8_t proc_id)
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TISCI_MSG_PROC_REQUEST,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TISCI_MSG_PROC_REQUEST, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1235,9 +1176,6 @@ int ti_sci_proc_request(uint8_t proc_id)
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -1256,8 +1194,7 @@ int ti_sci_proc_release(uint8_t proc_id)
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TISCI_MSG_PROC_RELEASE,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TISCI_MSG_PROC_RELEASE, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1274,9 +1211,6 @@ int ti_sci_proc_release(uint8_t proc_id)
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -1297,8 +1231,7 @@ int ti_sci_proc_handover(uint8_t proc_id, uint8_t host_id)
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TISCI_MSG_PROC_HANDOVER,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TISCI_MSG_PROC_HANDOVER, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1316,9 +1249,6 @@ int ti_sci_proc_handover(uint8_t proc_id, uint8_t host_id)
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -1341,8 +1271,7 @@ int ti_sci_proc_set_boot_cfg(uint8_t proc_id, uint64_t bootvector,
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TISCI_MSG_SET_PROC_BOOT_CONFIG,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TISCI_MSG_SET_PROC_BOOT_CONFIG, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1364,9 +1293,6 @@ int ti_sci_proc_set_boot_cfg(uint8_t proc_id, uint64_t bootvector,
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -1388,8 +1314,7 @@ int ti_sci_proc_set_boot_ctrl(uint8_t proc_id, uint32_t control_flags_set,
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TISCI_MSG_SET_PROC_BOOT_CTRL,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TISCI_MSG_SET_PROC_BOOT_CTRL, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1408,9 +1333,6 @@ int ti_sci_proc_set_boot_ctrl(uint8_t proc_id, uint32_t control_flags_set,
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -1431,8 +1353,7 @@ int ti_sci_proc_auth_boot_image(uint8_t proc_id, uint64_t cert_addr)
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TISCI_MSG_PROC_AUTH_BOOT_IMIAGE,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TISCI_MSG_PROC_AUTH_BOOT_IMIAGE, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1452,9 +1373,6 @@ int ti_sci_proc_auth_boot_image(uint8_t proc_id, uint64_t cert_addr)
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}
@ -1476,8 +1394,7 @@ int ti_sci_proc_get_boot_status(uint8_t proc_id, uint64_t *bv,
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TISCI_MSG_GET_PROC_BOOT_STATUS,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TISCI_MSG_GET_PROC_BOOT_STATUS, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1494,9 +1411,6 @@ int ti_sci_proc_get_boot_status(uint8_t proc_id, uint64_t *bv,
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
*bv = (resp.bootvector_low & TISCI_ADDR_LOW_MASK) |
(((uint64_t)resp.bootvector_high << TISCI_ADDR_HIGH_SHIFT) &
TISCI_ADDR_HIGH_MASK);
@ -1556,8 +1470,7 @@ int ti_sci_proc_wait_boot_status(uint8_t proc_id, uint8_t num_wait_iterations,
struct ti_sci_xfer xfer;
int ret;
ret = ti_sci_setup_one_xfer(TISCI_MSG_WAIT_PROC_BOOT_STATUS,
TI_SCI_FLAG_REQ_ACK_ON_PROCESSED,
ret = ti_sci_setup_one_xfer(TISCI_MSG_WAIT_PROC_BOOT_STATUS, 0,
&req, sizeof(req),
&resp, sizeof(resp),
&xfer);
@ -1582,9 +1495,6 @@ int ti_sci_proc_wait_boot_status(uint8_t proc_id, uint8_t num_wait_iterations,
return ret;
}
if (!ti_sci_is_response_ack(&resp))
return -ENODEV;
return 0;
}