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| author | Michal Simek <michal.simek@xilinx.com> | 2016-04-22 11:48:49 +0200 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2016-05-24 11:15:00 +0200 |
| commit | 6919b4bf36357463b419c4b848b5778d7ba0874e (patch) | |
| tree | 10dd61865ac643199893e7bbe679c3f55f36ba29 /board/xilinx | |
| parent | a1207de0e6d6526e470361fac42f2c077b43a0ad (diff) | |
| download | blackbird-obmc-uboot-6919b4bf36357463b419c4b848b5778d7ba0874e.tar.gz blackbird-obmc-uboot-6919b4bf36357463b419c4b848b5778d7ba0874e.zip | |
ARM64: zynqmp: Add support for reading MAC from eeprom
Add support for on board eeprom with programmed MAC for using in u-boot
to have uniq address for every board.
Most of the time uniq MAC address is on a label on the board.
If address is not programmed use these command to program it.
On zcu102:
ZynqMP> mm.b 0
00000000: 00 ? 00
00000001: a0 ? 0a
00000002: 35 ? 35
00000003: 02 ? 02
00000004: 00 ? ef
00000005: 00 ? 67
00000006: 00 ? q
i2c dev 5
i2c write 0 54 20 6
i2c md 54 20
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'board/xilinx')
| -rw-r--r-- | board/xilinx/zynqmp/zynqmp.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c index 132d724fbd..4623cd49e9 100644 --- a/board/xilinx/zynqmp/zynqmp.c +++ b/board/xilinx/zynqmp/zynqmp.c @@ -15,6 +15,7 @@ #include <asm/io.h> #include <usb.h> #include <dwc3-uboot.h> +#include <i2c.h> DECLARE_GLOBAL_DATA_PTR; @@ -50,6 +51,22 @@ int board_early_init_r(void) return 0; } +int zynq_board_read_rom_ethaddr(unsigned char *ethaddr) +{ +#if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \ + defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET) && \ + defined(CONFIG_ZYNQ_EEPROM_BUS) + i2c_set_bus_num(CONFIG_ZYNQ_EEPROM_BUS); + + if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR, + CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET, + ethaddr, 6)) + printf("I2C EEPROM MAC address read failed\n"); +#endif + + return 0; +} + #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE) /* * fdt_get_reg - Fill buffer by information from DT |
