This commit introduces the board specific function to read fused mac address.
Signed-off-by: Lukasz Majewski lukma@denx.de ---
Changes in v3: None Changes in v2: None
board/phytec/pcm052/pcm052.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+)
diff --git a/board/phytec/pcm052/pcm052.c b/board/phytec/pcm052/pcm052.c index 721e25105a..1e443a5850 100644 --- a/board/phytec/pcm052/pcm052.c +++ b/board/phytec/pcm052/pcm052.c @@ -310,6 +310,47 @@ int board_init(void) }
#ifdef CONFIG_TARGET_BK4R1 +void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) +{ + struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[4]; + struct fuse_bank4_regs *fuse = + (struct fuse_bank4_regs *)bank->fuse_regs; + u32 value; + + /* + * BK4 has different layout of stored MAC address + * than one used in imx_get_mac_from_fuse() @ generic.c + */ + + switch (dev_id) { + case 0: + value = readl(&fuse->mac_addr1); + + mac[0] = value >> 8; + mac[1] = value; + + value = readl(&fuse->mac_addr0); + mac[2] = value >> 24; + mac[3] = value >> 16; + mac[4] = value >> 8; + mac[5] = value; + break; + case 1: + value = readl(&fuse->mac_addr2); + + mac[0] = value >> 24; + mac[1] = value >> 16; + mac[2] = value >> 8; + mac[3] = value; + + value = readl(&fuse->mac_addr1); + mac[4] = value >> 24; + mac[5] = value >> 16; + break; + } +} + int board_late_init(void) { struct src *psrc = (struct src *)SRC_BASE_ADDR;