From 5a728ac578c07f29d8b36bbd907cdea132c1607d Mon Sep 17 00:00:00 2001 From: Jonathan Lemon Date: Thu, 19 May 2022 14:21:47 -0700 Subject: ptp: ocp: revise firmware display Preparse the firmware image information into loader/tag/version, and set the fw capabilities based on the tag/version. Signed-off-by: Jonathan Lemon Signed-off-by: Jakub Kicinski --- drivers/ptp/ptp_ocp.c | 64 +++++++++++++++++++++++++++++++++------------------ 1 file changed, 41 insertions(+), 23 deletions(-) (limited to 'drivers/ptp') diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c index b5f2b7769028..f44269e3d3c8 100644 --- a/drivers/ptp/ptp_ocp.c +++ b/drivers/ptp/ptp_ocp.c @@ -308,7 +308,9 @@ struct ptp_ocp { int gnss2_port; int mac_port; /* miniature atomic clock */ int nmea_port; - u32 fw_version; + bool fw_loader; + u8 fw_tag; + u16 fw_version; u8 board_id[OCP_BOARD_ID_LEN]; u8 serial[OCP_SERIAL_LEN]; bool has_eeprom_data; @@ -1359,6 +1361,7 @@ ptp_ocp_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req, struct netlink_ext_ack *extack) { struct ptp_ocp *bp = devlink_priv(devlink); + const char *fw_image; char buf[32]; int err; @@ -1366,13 +1369,9 @@ ptp_ocp_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req, if (err) return err; - if (bp->fw_version & 0xffff) { - sprintf(buf, "%d", bp->fw_version); - err = devlink_info_version_running_put(req, "fw", buf); - } else { - sprintf(buf, "%d", bp->fw_version >> 16); - err = devlink_info_version_running_put(req, "loader", buf); - } + fw_image = bp->fw_loader ? "loader" : "fw"; + sprintf(buf, "%d.%d", bp->fw_tag, bp->fw_version); + err = devlink_info_version_running_put(req, fw_image, buf); if (err) return err; @@ -1931,22 +1930,49 @@ ptp_ocp_fb_set_pins(struct ptp_ocp *bp) return 0; } +static void +ptp_ocp_fb_set_version(struct ptp_ocp *bp) +{ + u64 cap = OCP_CAP_BASIC; + u32 version; + + version = ioread32(&bp->image->version); + + /* if lower 16 bits are empty, this is the fw loader. */ + if ((version & 0xffff) == 0) { + version = version >> 16; + bp->fw_loader = true; + } + + bp->fw_tag = version >> 15; + bp->fw_version = version & 0x7fff; + + if (bp->fw_tag) { + /* FPGA firmware */ + if (version >= 5) + cap |= OCP_CAP_SIGNAL | OCP_CAP_FREQ; + } else { + /* SOM firmware */ + if (version >= 19) + cap |= OCP_CAP_SIGNAL; + if (version >= 20) + cap |= OCP_CAP_FREQ; + } + + bp->fw_cap = cap; +} + /* FB specific board initializers; last "resource" registered. */ static int ptp_ocp_fb_board_init(struct ptp_ocp *bp, struct ocp_resource *r) { - int ver, err; + int err; bp->flash_start = 1024 * 4096; bp->eeprom_map = fb_eeprom_map; bp->fw_version = ioread32(&bp->image->version); - bp->fw_cap = OCP_CAP_BASIC; - ver = bp->fw_version & 0xffff; - if (ver >= 19) - bp->fw_cap |= OCP_CAP_SIGNAL; - if (ver >= 20) - bp->fw_cap |= OCP_CAP_FREQ; + ptp_ocp_fb_set_version(bp); ptp_ocp_tod_init(bp); ptp_ocp_nmea_out_init(bp); @@ -3497,14 +3523,6 @@ ptp_ocp_info(struct ptp_ocp *bp) ptp_ocp_phc_info(bp); - dev_info(dev, "version %x\n", bp->fw_version); - if (bp->fw_version & 0xffff) - dev_info(dev, "regular image, version %d\n", - bp->fw_version & 0xffff); - else - dev_info(dev, "golden image, version %d\n", - bp->fw_version >> 16); - ptp_ocp_serial_info(dev, "GNSS", bp->gnss_port, 115200); ptp_ocp_serial_info(dev, "GNSS2", bp->gnss2_port, 115200); ptp_ocp_serial_info(dev, "MAC", bp->mac_port, 57600); -- cgit v1.2.3