diff options
Diffstat (limited to 'board')
-rw-r--r-- | board/toradex/apalis_imx6/Makefile | 2 | ||||
-rw-r--r-- | board/toradex/apalis_imx6/do_fuse.c | 70 |
2 files changed, 71 insertions, 1 deletions
diff --git a/board/toradex/apalis_imx6/Makefile b/board/toradex/apalis_imx6/Makefile index 0fe2c608e7c..40ee4d6fc97 100644 --- a/board/toradex/apalis_imx6/Makefile +++ b/board/toradex/apalis_imx6/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).o -COBJS := apalis_imx6.o pf0100.o +COBJS := apalis_imx6.o pf0100.o do_fuse.o SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/board/toradex/apalis_imx6/do_fuse.c b/board/toradex/apalis_imx6/do_fuse.c new file mode 100644 index 00000000000..55ac7af18ec --- /dev/null +++ b/board/toradex/apalis_imx6/do_fuse.c @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2014, Toradex AG + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Helpers for i.MX OTP fusing during module production +*/ + +#include <common.h> +#include <fuse.h> + +static unsigned mfgr_fuse(void); +unsigned mfgr_fuse(void) +{ + unsigned val, val6; + unsigned mac_hi, mac_lo; + uchar mac_id[6]; + + fuse_sense(0, 5, &val); + printf("Fuse 0, 5: %8x\n", val); + fuse_sense(0, 6, &val6); + printf("Fuse 0, 6: %8x\n", val6); + fuse_sense(4, 3, &val); + printf("Fuse 4, 3: %8x\n", val); + fuse_sense(4, 2, &val); + printf("Fuse 4, 2: %8x\n", val); + if(val6 & 0x10) + { + puts("BT_FUSE_SEL already fused, will do nothing\n"); + return 1; + } + + if (!eth_getenv_enetaddr("ethaddr", mac_id)) + { + puts("ethaddr not set or not valid in environment, will do nothing\n"); + return 1; + } + mac_hi = (mac_id[0] << 8) + mac_id[1]; + mac_lo = (mac_id[2] << 24) + (mac_id[3] << 16) + (mac_id[4] << 8) + mac_id[5]; + + /* boot cfg */ + fuse_prog(0, 5, 0x00005062); + /* BT_FUSE_SEL */ + fuse_prog(0, 6, 0x00000010); + /* MAC addr */ + fuse_prog(4, 3, mac_hi); + fuse_prog(4, 2, mac_lo); + + return 0; +} + +int do_mfgr_fuse(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + puts("Fusing...\n"); + if(!mfgr_fuse()) + puts("done.\n"); + else + puts("failed.\n"); + return 0; +} + +U_BOOT_CMD( + mfgr_fuse, 1, 0, do_mfgr_fuse, + "OTP fusing during module production\n" + "requires the environment variable ethaddr to be set\n", + "" +); |