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firmware: ti_sci: Modify auth_boot TI-SCI API to match new version

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SYSFW version 2019.01 introduces a slightly modified version of this API,
add support for it here.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Andreas Dannenberg <dannenberg@ti.com>
This commit is contained in:
Andrew F. Davis 2019-04-12 12:54:44 -04:00 • committed by Tom Rini
parent 32ca8ffd5b
commit ff6043a5fd
3 changed files with 25 additions and 13 deletions
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25
drivers/firmware/ti_sci.c
View file

@ -1915,16 +1915,19 @@ static int ti_sci_cmd_set_proc_boot_ctrl(const struct ti_sci_handle *handle,
* ti_sci_cmd_proc_auth_boot_image() - Command to authenticate and load the * ti_sci_cmd_proc_auth_boot_image() - Command to authenticate and load the
* image and then set the processor configuration flags. * image and then set the processor configuration flags.
* @handle: Pointer to TI SCI handle * @handle: Pointer to TI SCI handle
* @proc_id: Processor ID this request is for * @image_addr: Memory address at which payload image and certificate is
* @cert_addr: Memory address at which payload image certificate is located. * located in memory, this is updated if the image data is
* moved during authentication.
* @image_size: This is updated with the final size of the image after
* authentication.
* *
* Return: 0 if all went well, else returns appropriate error value. * Return: 0 if all went well, else returns appropriate error value.
*/ */
static int ti_sci_cmd_proc_auth_boot_image(const struct ti_sci_handle *handle, static int ti_sci_cmd_proc_auth_boot_image(const struct ti_sci_handle *handle,
u8 proc_id, u64 cert_addr) u64 *image_addr, u32 *image_size)
{ {
struct ti_sci_msg_req_proc_auth_boot_image req; struct ti_sci_msg_req_proc_auth_boot_image req;
struct ti_sci_msg_hdr *resp; struct ti_sci_msg_resp_proc_auth_boot_image *resp;
struct ti_sci_info *info; struct ti_sci_info *info;
struct ti_sci_xfer *xfer; struct ti_sci_xfer *xfer;
int ret = 0; int ret = 0;
@ -1944,9 +1947,8 @@ static int ti_sci_cmd_proc_auth_boot_image(const struct ti_sci_handle *handle,
dev_err(info->dev, "Message alloc failed(%d)\n", ret); dev_err(info->dev, "Message alloc failed(%d)\n", ret);
return ret; return ret;
} }
req.processor_id = proc_id; req.cert_addr_low = *image_addr & TISCI_ADDR_LOW_MASK;
req.cert_addr_low = cert_addr & TISCI_ADDR_LOW_MASK; req.cert_addr_high = (*image_addr & TISCI_ADDR_HIGH_MASK) >>
req.cert_addr_high = (cert_addr & TISCI_ADDR_HIGH_MASK) >>
TISCI_ADDR_HIGH_SHIFT; TISCI_ADDR_HIGH_SHIFT;
ret = ti_sci_do_xfer(info, xfer); ret = ti_sci_do_xfer(info, xfer);
@ -1955,10 +1957,15 @@ static int ti_sci_cmd_proc_auth_boot_image(const struct ti_sci_handle *handle,
return ret; return ret;
} }
resp = (struct ti_sci_msg_hdr *)xfer->tx_message.buf; resp = (struct ti_sci_msg_resp_proc_auth_boot_image *)xfer->tx_message.buf;
if (!ti_sci_is_response_ack(resp)) if (!ti_sci_is_response_ack(resp))
ret = -ENODEV; return -ENODEV;
*image_addr = (resp->image_addr_low & TISCI_ADDR_LOW_MASK) |
(((u64)resp->image_addr_high <<
TISCI_ADDR_HIGH_SHIFT) & TISCI_ADDR_HIGH_MASK);
*image_size = resp->image_size;
return ret; return ret;
} }

9
drivers/firmware/ti_sci.h
View file

@ -708,7 +708,6 @@ struct ti_sci_msg_req_set_proc_boot_ctrl {
/** /**
* struct ti_sci_msg_req_proc_auth_start_image - Authenticate and start image * struct ti_sci_msg_req_proc_auth_start_image - Authenticate and start image
* @hdr: Generic Header * @hdr: Generic Header
* @processor_id: ID of processor
* @cert_addr_low: Lower 32bit (Little Endian) of certificate * @cert_addr_low: Lower 32bit (Little Endian) of certificate
* @cert_addr_high: Higher 32bit (Little Endian) of certificate * @cert_addr_high: Higher 32bit (Little Endian) of certificate
* *
@ -717,11 +716,17 @@ struct ti_sci_msg_req_set_proc_boot_ctrl {
*/ */
struct ti_sci_msg_req_proc_auth_boot_image { struct ti_sci_msg_req_proc_auth_boot_image {
struct ti_sci_msg_hdr hdr; struct ti_sci_msg_hdr hdr;
u8 processor_id;
u32 cert_addr_low; u32 cert_addr_low;
u32 cert_addr_high; u32 cert_addr_high;
} __packed; } __packed;
struct ti_sci_msg_resp_proc_auth_boot_image {
struct ti_sci_msg_hdr hdr;
u32 image_addr_low;
u32 image_addr_high;
u32 image_size;
} __packed;
/** /**
* struct ti_sci_msg_req_get_proc_boot_status - Get processor boot status * struct ti_sci_msg_req_get_proc_boot_status - Get processor boot status
* @hdr: Generic Header * @hdr: Generic Header

4
include/linux/soc/ti/ti_sci_protocol.h
View file

@ -279,8 +279,8 @@ struct ti_sci_proc_ops {
u64 bv, u32 cfg_set, u32 cfg_clr); u64 bv, u32 cfg_set, u32 cfg_clr);
int (*set_proc_boot_ctrl)(const struct ti_sci_handle *handle, u8 pid, int (*set_proc_boot_ctrl)(const struct ti_sci_handle *handle, u8 pid,
u32 ctrl_set, u32 ctrl_clr); u32 ctrl_set, u32 ctrl_clr);
int (*proc_auth_boot_image)(const struct ti_sci_handle *handle, u8 pid, int (*proc_auth_boot_image)(const struct ti_sci_handle *handle,
u64 caddr); u64 *image_addr, u32 *image_size);
int (*get_proc_boot_status)(const struct ti_sci_handle *handle, u8 pid, int (*get_proc_boot_status)(const struct ti_sci_handle *handle, u8 pid,
u64 *bv, u32 *cfg_flags, u32 *ctrl_flags, u64 *bv, u32 *cfg_flags, u32 *ctrl_flags,
u32 *sts_flags); u32 *sts_flags);