diff options
| author | Andre Heider | 2021-10-01 19:29:00 +0100 |
|---|---|---|
| committer | Andre Przywara | 2021-01-11 23:19:34 +0000 |
| commit | 9267ff89ee27a624ddb5d8eb7d90830ee0ff6f77 (patch) | |
| tree | f078d5c8a683b806508b606bcbe08603f1a97d8e /board/sunxi/board.c | |
| parent | 928f4f48682a5277ca4efd0f3c4e79671dcc8e29 (diff) | |
sunxi: board: add a config option to fixup a Bluetooth address
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.heider@gmail.com>
Tested-by: Ondrej Jirman <megous@megous.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
[rebased]
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Diffstat (limited to 'board/sunxi/board.c')
| -rw-r--r-- | board/sunxi/board.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index b7f527a0faa..4f058952b5b 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -39,6 +39,7 @@ #include <u-boot/crc.h> #include <env_internal.h> #include <linux/libfdt.h> +#include <fdt_support.h> #include <nand.h> #include <net.h> #include <spl.h> @@ -913,6 +914,38 @@ int board_late_init(void) return 0; } +static void bluetooth_dt_fixup(void *blob) +{ + /* Some devices ship with a Bluetooth controller default address. + * Set a valid address through the device tree. + */ + uchar tmp[ETH_ALEN], bdaddr[ETH_ALEN]; + unsigned int sid[4]; + int i; + + if (!CONFIG_BLUETOOTH_DT_DEVICE_FIXUP[0]) + return; + + if (eth_env_get_enetaddr("bdaddr", tmp)) { + /* Convert between the binary formats of the corresponding stacks */ + for (i = 0; i < ETH_ALEN; ++i) + bdaddr[i] = tmp[ETH_ALEN - i - 1]; + } else { + if (!get_unique_sid(sid)) + return; + + bdaddr[0] = ((sid[3] >> 0) & 0xff) ^ 1; + bdaddr[1] = (sid[3] >> 8) & 0xff; + bdaddr[2] = (sid[3] >> 16) & 0xff; + bdaddr[3] = (sid[3] >> 24) & 0xff; + bdaddr[4] = (sid[0] >> 0) & 0xff; + bdaddr[5] = 0x02; + } + + do_fixup_by_compat(blob, CONFIG_BLUETOOTH_DT_DEVICE_FIXUP, + "local-bd-address", bdaddr, ETH_ALEN, 1); +} + int ft_board_setup(void *blob, struct bd_info *bd) { int __maybe_unused r; @@ -923,6 +956,8 @@ int ft_board_setup(void *blob, struct bd_info *bd) */ setup_environment(blob); + bluetooth_dt_fixup(blob); + #ifdef CONFIG_VIDEO_DT_SIMPLEFB r = sunxi_simplefb_setup(blob); if (r) |