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pcm052: mac: Provide board specific imx_get_mac_from_fuse() function

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This commit introduces the board specific function to read fused mac
address.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
This commit is contained in:
Lukasz Majewski 2019-02-13 22:46:58 +01:00 committed by Stefano Babic
parent 379255f1ee
commit 15a4456903
1 changed files with 41 additions and 0 deletions

41
board/phytec/pcm052/pcm052.c
View File

@ -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;