Some Bluetooth controllers, like the BCM4345C5 of the Orange Pi 3,
ship with the controller default address.
Add a config option to fix it up so it can function properly.
Signed-off-by: Andre Heider <a.hei...@gmail.com>
---
arch/arm/mach-sunxi/Kconfig | 12 ++++++++++++
board/sunxi/board.c | 30 ++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+)
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 16d41b83af..b41c64870e 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -1009,4 +1009,16 @@ config PINE64_DT_SELECTION
option, the device tree selection code specific to Pine64 which
utilizes the DRAM size will be enabled.
+config FIXUP_BDADDR
+ string "Fixup the Bluetooth controller address"
+ depends on MACH_SUN50I_H6
+ default ""
+ help
+ This option specifies the DT compatible name of the Bluetooth
+ controller for which to set the "local-bd-address" property.
+ Set this option if your device ships with the Bluetooth controller
+ default address.
+ The used address is "bdaddr" if set, and "ethaddr" with the LSB
+ flipped elsewise.
+
endif
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index bb35d6b66e..89851102d1 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -856,6 +856,34 @@ int misc_init_r(void)
return 0;
}
+static void fixup_bd_address(void *blob)
+{
+#ifdef CONFIG_FIXUP_BDADDR
+ /* Some devices ship with a Bluetooth controller default address.
+ * Set a valid address through the device tree.
+ */
+ uchar tmp[ETH_ALEN], bdaddr[ETH_ALEN];
+ int i;
+
+ if (strlen(CONFIG_FIXUP_BDADDR) < 1)
+ return;
+
+ if (!eth_env_get_enetaddr("bdaddr", tmp)) {
+ if (!eth_env_get_enetaddr("ethaddr", tmp))
+ return;
+
+ tmp[ETH_ALEN - 1] ^= 1;
+ }
+
+ /* Addresses need to be in the binary format of the corresponding stack
*/
+ for (i = 0; i < ETH_ALEN; ++i)
+ bdaddr[i] = tmp[ETH_ALEN - i - 1];
+
+ do_fixup_by_compat(blob, CONFIG_FIXUP_BDADDR,
+ "local-bd-address", bdaddr, ETH_ALEN, 1);
+#endif
+}
+
int ft_board_setup(void *blob, bd_t *bd)
{
int __maybe_unused r;
@@ -866,6 +894,8 @@ int ft_board_setup(void *blob, bd_t *bd)
*/
setup_environment(blob);
+ fixup_bd_address(blob);
+
#ifdef CONFIG_VIDEO_DT_SIMPLEFB
r = sunxi_simplefb_setup(blob);
if (r)
--
2.24.0
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