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kboot: propagate bluetooth calibration blob

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Depending on the chip stepping (stored in the OTP) either the blob for
beamforming or the normal calibration blob has to be used.

Signed-off-by: Sven Peter <sven@svenpeter.dev>
This commit is contained in:
Sven Peter 2022-06-28 17:39:49 +02:00 committed by Hector Martin
parent 1b8c422202
commit 2c37105412
1 changed files with 42 additions and 0 deletions
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42
src/kboot.c
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@ -531,6 +531,46 @@ static int dt_set_mac_addresses(void)
return 0;
}
static int dt_set_bluetooth_cal(int anode, int node, const char *adt_name, const char *fdt_name)
{
u32 len;
const u8 *cal_blob = adt_getprop(adt, anode, adt_name, &len);
if (!cal_blob || !len)
bail("ADT: Failed to get %s", adt_name);
fdt_setprop(dt, node, fdt_name, cal_blob, len);
return 0;
}
static int dt_set_bluetooth(void)
{
int ret;
int anode = adt_path_offset(adt, "/arm-io/bluetooth");
if (anode < 0)
bail("ADT: /arm-io/bluetooth not found\n");
const char *path = fdt_get_alias(dt, "bluetooth0");
if (path == NULL)
return 0;
int node = fdt_path_offset(dt, path);
if (node < 0)
return 0;
ret = dt_set_bluetooth_cal(anode, node, "bluetooth-taurus-calibration-bf",
"brcm,taurus-bf-cal-blob");
if (ret)
return ret;
ret = dt_set_bluetooth_cal(anode, node, "bluetooth-taurus-calibration", "brcm,taurus-cal-blob");
if (ret)
return ret;
return 0;
}
static int dt_set_wifi(void)
{
int anode = adt_path_offset(adt, "/arm-io/wlan");
@ -1038,6 +1078,8 @@ int kboot_prepare_dt(void *fdt)
return -1;
if (dt_set_wifi())
return -1;
if (dt_set_bluetooth())
return -1;
if (dt_set_uboot())
return -1;
if (dt_set_atc_tunables())