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| author | Ye.Li <B37916@freescale.com> | 2014-07-04 16:05:24 +0800 |
|---|---|---|
| committer | Ye.Li <B37916@freescale.com> | 2014-07-04 16:40:11 +0800 |
| commit | 8d355a9d6f138e1c1cd04dbadb7b5b3e2d692701 (patch) | |
| tree | c67e1eed483945c080560571775afd05592a431b /arch/arm/cpu | |
| parent | 40ed36029030b5a1167011366d532f5361cbd7fd (diff) | |
| download | u-boot-imx-8d355a9d6f138e1c1cd04dbadb7b5b3e2d692701.zip u-boot-imx-8d355a9d6f138e1c1cd04dbadb7b5b3e2d692701.tar.gz u-boot-imx-8d355a9d6f138e1c1cd04dbadb7b5b3e2d692701.tar.bz2 | |
ENGR00321260-1 iMX6: Add support to get CPU serial number
The android boot needs get_board_serial function to get the
CPU uid as the serial number. Implement this function to read
the uid from fuse for all iMX6 platforms.
Signed-off-by: Ye.Li <B37916@freescale.com>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 4662893..189463d 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -518,6 +518,19 @@ int board_postclk_init(void) return 0; } +#ifdef CONFIG_SERIAL_TAG +void get_board_serial(struct tag_serialnr *serialnr) +{ + struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[0]; + struct fuse_bank0_regs *fuse = + (struct fuse_bank0_regs *)bank->fuse_regs; + + serialnr->low = fuse->uid_low; + serialnr->high = fuse->uid_high; +} +#endif + #ifndef CONFIG_SYS_DCACHE_OFF void enable_caches(void) { |